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==C – Open Games and the French Defence== * 1.e4 e6: [[French Defence]] (C00–C19) * 1.e4 e5: [[Open Game]] (C20–C99) ===C00–C19=== 1.e4 e6: [[French Defence]] *C00 [[French Defence]] *French Defense: 1.e4 e6 *French Defense: Horwitz Attack: 1.e4 e6 2.b3 *French Defense: Horwitz Attack, Papa-Ticulat Gambit: 1.e4 e6 2.b3 d5 3.Bb2 *French Defense: Banzai-Leong Gambit: 1.e4 e6 2.b4 *French Defense: Banzai-Leong Gambit, Pinova Gambit: 1.e4 e6 2.b4 Bxb4 3.e5 *French Defense: Bird Invitation: 1.e4 e6 2.Bb5 *French Defense: Steiner Variation: 1.e4 e6 2.c4 *French Defense: Orthoschnapp Gambit: 1.e4 e6 2.c4 d5 3.cxd5 exd5 4.Qb3 *French Defense: King's Indian Attack: 1.e4 e6 2.d3 *French Defense: Reversed Philidor Formation: 1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Nc6 5.Be2 *French Defense: King's Indian Attack, Franco-Hiva Gambit: 1.e4 e6 2.d3 f5 *French Defense: Normal Variation: 1.e4 e6 2.d4 *French Defense: St. George Defense: 1.e4 e6 2.d4 a6 *French Defense: St. George Defense, Three Pawn Attack: 1.e4 e6 2.d4 a6 3.c4 *French Defense: St. George Defense, Sanky-George Gambit: 1.e4 e6 2.d4 a6 3.c4 b5 *French Defense: St. George Defense, St. George Gambit: 1.e4 e6 2.d4 a6 3.c4 b5 4.cxb5 axb5 *French Defense: St. George Defense, Traditional Line: 1.e4 e6 2.d4 a6 3.Nf3 b5 4.Bd3 c5 5.c3 Bb7 6.0-0 Nf6 *French Defense: Baeuerle Gambit: 1.e4 e6 2.d4 b5 *French Defense: Franco-Sicilian Defense: 1.e4 e6 2.d4 c5 *French Defense: 1.e4 e6 2.d4 d5 *French Defense: Schlechter Variation: 1.e4 e6 2.d4 d5 3.Bd3 *French Defense: Alapin Gambit: 1.e4 e6 2.d4 d5 3.Be3 *French Defense: Diemer-Duhm Gambit: 1.e4 e6 2.d4 d5 3.c4 *French Defense: Diemer-Duhm Gambit Accepted: 1.e4 e6 2.d4 d5 3.c4 dxe4 *French Defense: Perseus Gambit: 1.e4 e6 2.d4 d5 3.Nf3 *French Defense: Carlson Gambit: 1.e4 e6 2.d4 d5 3.Nf3 dxe4 4.Ne5 *French Defense: Morphy Gambit: 1.e4 e6 2.d4 d5 3.Nh3 *French Defense: Hoffmann Gambit: 1.e4 e6 2.d4 d5 3.Qe2 e5 4.f4 exf4 *French Defense: Franco-Hiva Gambit: 1.e4 e6 2.d4 f5 *French Defense: Franco-Hiva Gambit Accepted: 1.e4 e6 2.d4 f5 3.exf5 *French Defense: Mediterranean Defense: 1.e4 e6 2.d4 Nf6 *Lengfellner system: 1.e4 e6 2.d4 d6 *French Defense: Steinitz Attack: 1.e4 e6 2.e5 *French Defense: La Bourdonnais Variation: 1.e4 e6 2.f4 *French Defense: La Bourdonnais Variation, Reuter Gambit: 1.e4 e6 2.f4 d5 3.Nf3 dxe4 *French Defense: Réti-Spielmann Attack: 1.e4 e6 2.g3 *French Defense: Queen's Knight: 1.e4 e6 2.Nc3 *French Defense: Pelikan Variation: 1.e4 e6 2.Nc3 d5 3.f4 *French Defense: Knight Variation: 1.e4 e6 2.Nf3 *French Defense: Wing Gambit: 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 *French Defense: Two Knights Variation: 1.e4 e6 2.Nf3 d5 3.Nc3 *French Defense: Knight Variation, Franco-Hiva Gambit: 1.e4 e6 2.Nf3 f5 *French Defense: Chigorin Variation: 1.e4 e6 2.Qe2 *C01 French, Exchange Variation *French Defense: Exchange Variation: 1.e4 e6 2.d4 d5 3.exd5 *French Defense: Exchange Variation, Monte Carlo Variation: 1.e4 e6 2.d4 d5 3.exd5 exd5 4.c4 *French Defense: Exchange Variation, Bogoljubow Variation: 1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nc3 Nf6 5.Bg5 Nc6 *French Defense: Exchange Variation, Svenonius Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.exd5 exd5 5.Bg5 *C02 French, Advance Variation *French Defense: Advance Variation: 1.e4 e6 2.d4 d5 3.e5 *French Defense: Advance Variation, Extended Bishop Swap: 1.e4 e6 2.d4 d5 3.e5 Bd7 *French Defense: Advance Variation: 1.e4 e6 2.d4 d5 3.e5 c5 *French Defense: Advance Variation, Frenkel Gambit: 1.e4 e6 2.d4 d5 3.e5 c5 4.b4 *French Defense: Advance Variation: 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 *French Defense: Advance Variation: 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 *French Defense: Advance Variation, Paulsen Attack: 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 *French Defense: Advance Variation, Euwe Variation: 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Bd7 *French Defense: Advance Variation, Main Line: 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 *French Defense: Advance Variation, Lputian Variation: 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 Nh6 *French Defense: Advance Variation, Milner-Barry Gambit: 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Bd3 *French Defense: Advance Variation, Wade Variation: 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Bd7 *French Defense: Advance Variation, Steinitz Variation: 1.e4 e6 2.d4 d5 3.e5 c5 4.dxc5 *French Defense: Advance Variation, Nimzowitsch System: 1.e4 e6 2.d4 d5 3.e5 c5 4.Nf3 *French Defense: Advance Variation, Ruisdonk Gambit: 1.e4 e6 2.d4 d5 3.e5 c5 4.Nf3 cxd4 5.Bd3 *French Defense: Advance Variation, Nimzowitsch Attack: 1.e4 e6 2.d4 d5 3.e5 c5 4.Qg4 *French Defense: Advance Variation, Nimzowitsch Gambit: 1.e4 e6 2.d4 d5 3.e5 c5 4.Qg4 cxd4 5.Nf3 *C03 French, Tarrasch *French Defense: Tarrasch Variation: 1.e4 e6 2.d4 d5 3.Nd2 *French Defense: Tarrasch Variation, Modern System: 1.e4 e6 2.d4 d5 3.Nd2 a6 *French Defense: Tarrasch Variation, Morozevich Variation: 1.e4 e6 2.d4 d5 3.Nd2 Be7 *French Defense: Tarrasch Variation, Haberditz Variation: 1.e4 e6 2.d4 d5 3.Nd2 f5 *French Defense: Tarrasch Variation, Guimard Defense: 1.e4 e6 2.d4 d5 3.Nd2 Nc6 *French Defense: Guimard Variation, Thunderbunny Variation: 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.c3 dxe4 5.Nxe4 e5 *C04 French, Tarrasch, Guimard Main line *French Defense: Tarrasch Variation, Guimard Defense, Main Line: 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 *C05 French, Tarrasch, Closed Variation *French Defense: Tarrasch Variation, Closed Variation: 1.e4 e6 2.d4 d5 3.Nd2 Nf6 *French Defense: Tarrasch Variation, Botvinnik Variation: 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 b6 *French Defense: Tarrasch Variation, Closed Variation: 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 *French Defense: Tarrasch Variation, Pawn Center Variation: 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4 *C06 French, Tarrasch, Closed Variation, Main line *French Defense: Tarrasch Variation, Closed Variation, Main Line: 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 *French Defense: Tarrasch Variation, Leningrad Variation: 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 Nb6 *C07 French, Tarrasch, Open Variation *French Defense: Tarrasch Variation, Open System: 1.e4 e6 2.d4 d5 3.Nd2 c5 *French Defense: Tarrasch Variation, Open System, Süchting Line: 1.e4 e6 2.d4 d5 3.Nd2 c5 4.c3 *French Defense: Tarrasch Variation, Open System, Shaposhnikov Gambit: 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Nf6 *French Defense: Tarrasch Variation, Chistyakov Defense: 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 *French Defense: Tarrasch Variation, Chistyakov Defense, Modern Line: 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd6 7.0-0 Nf6 8.Nb3 Nc6 9.Nbxd4 Nxd4 10.Nxd4 a6 *French Defense: Tarrasch Variation, Eliskases Variation: 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd8 *French Defense: Tarrasch Variation, Open System, Euwe-Keres Line: 1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 *C08 French, Tarrasch, Open, 4.exd5 exd5 *French Defense: Tarrasch Variation, Open System: 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 *French Defense: Tarrasch Variation, Open System, Advance Line: 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 c4 *C09 French, Tarrasch, Open Variation, Main line *French Defense: Tarrasch Variation, Open System, Main Line: 1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 *C10 French, Paulsen Variation *Sicilian Defense: Marshall Gambit: 1.e4 c5 2.Nc3 e6 3.d4 d5 *French Defense: Paulsen Variation: 1.e4 e6 2.d4 d5 3.Nc3 *French Defense: Rubinstein Variation: 1.e4 e6 2.d4 d5 3.Nc3 dxe4 *French Defense: Rubinstein Variation, Fort Knox Variation: 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bd7 5.Nf3 Bc6 *French Defense: Rubinstein Variation, Ellis Gambit: 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 e5 *French Defense: Rubinstein Variation, Blackburne Defense: 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 *French Defense: Rubinstein Variation, Capablanca Line: 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Ne5 *French Defense: Rubinstein Variation, Maric Variation: 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Qd5 *French Defense: Classical Variation, Svenonius Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nc6 4.exd5 *French Defense: Rubinstein Variation, Kasparov Attack: 1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.c3 *C11 French Defence *French Defense: Steinitz Variation: 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 *French Defense: Steinitz Variation: 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 6.a3 *French Defense: Steinitz Variation: 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 6.Ne2 *French Defense: Classical Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 *French Defense: Classical Variation, Swiss Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bd3 *French Defense: Henneberger Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Be3 *French Defense: Burn Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 *French Defense: Classical Variation, Burn Variation, Main Line: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7 6.Bxf6 Bxf6 7.Nf3 0-0 *French Defense: Classical Variation, Burn Variation, Morozevich Line: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7 6.Bxf6 gxf6 *French Defense: Classical Variation, Steinitz Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 *French Defense: Steinitz Variation, Bradford Attack Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Bxc5 7.Qg4 *French Defense: Steinitz Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6 *French Defense: Steinitz Variation, Brodsky-Jones Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6 7.a3 Bxc5 8.Qg4 0-0 9.Nf3 f6 *French Defense: Steinitz Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 *French Defense: Steinitz Variation, Boleslavsky Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 *French Defense: Steinitz Variation, Gledhill Attack: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.Qg4 *French Defense: Classical Variation, Delayed Exchange Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.exd5 *C12 French, MacCutcheon Variation *French Defense: MacCutcheon Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 *French Defense: MacCutcheon Variation, Advance Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 *French Defense: MacCutcheon Variation, Dr. Olland Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bc1 *French Defense: MacCutcheon Variation, Lasker Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 *French Defense: MacCutcheon Variation, Lasker Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 g6 *French Defense: MacCutcheon Variation, Tartakower Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Nfd7 *French Defense: MacCutcheon Variation, Janowski Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Be3 *French Defense: MacCutcheon Variation, Bernstein Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bh4 *French Defense: MacCutcheon Variation, Chigorin Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.exf6 *French Defense: MacCutcheon Variation, Grigoriev Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.exf6 hxg5 7.fxg7 Rg8 8.h4 gxh4 9.Qg4 *French Defense: MacCutcheon Variation, Exchange Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.exd5 *French Defense: MacCutcheon Variation, Bogoljubow Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.exd5 Qxd5 6.Bxf6 gxf6 7.Qd2 Qa5 *French Defense: MacCutcheon Variation, Duras Variation: 1.e4 e6 2.Nc3 d5 3.d4 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 Kf8 9.Bc1 *C13 French, Classical *French Defense: Classical Variation, Normal Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 *French Defense: Classical Variation, Richter Attack: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6 *French Defense: Classical Variation, Richter Attack: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6 Bxf6 6.e5 Be7 7.Qg4 *French Defense: Classical Variation, Tartakower Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ne4 *French Defense: Alekhine-Chatard Attack: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 *French Defense: Alekhine-Chatard Attack, Maróczy Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 a6 *French Defense: Alekhine-Chatard Attack, Albin-Chatard Gambit: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 Bxg5 7.hxg5 Qxg5 *French Defense: Alekhine-Chatard Attack, Breyer Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 c5 *French Defense: Alekhine-Chatard Attack, Teichmann Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 f6 *French Defense: Alekhine-Chatard Attack, Spielmann Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 0-0 *French Defense: Classical Variation, Vistaneckis Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 *French Defense: Classical Variation, Frankfurt Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 6.Be3 b6 *C14 French, Classical Variation *French Defense: Classical Variation: 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 6.Bg5 *French Defense: Classical Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 *French Defense: Classical Variation, Tarrasch Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Bd3 *French Defense: Classical Variation, Steinitz Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 *French Defense: Classical Variation, Stahlberg Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 0-0 8.Nf3 c5 9.Qd2 Nc6 10.0-0-0 c4 *French Defense: Classical Variation, Alapin Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Nb5 *French Defense: Classical Variation, Rubinstein Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qd2 *French Defense: Classical Variation, Pollock Variation: 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qg4 *C15 French, Winawer (Nimzovich) Variation *French Defense: Winawer Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 *French Defense: Winawer Variation, Winckelmann-Reimer Gambit: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 dxe4 6.f3 *French Defense: Winawer Variation, Fingerslip Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2 *French Defense: Winawer Variation, Fingerslip Variation, Main Line: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2 dxe4 5.Qg4 Nf6 6.Qxg7 Rg8 7.Qh6 *French Defense: Winawer Variation, Fingerslip Variation, Kunin Double Gambit: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2 dxe4 5.Qg4 Qxd4 *French Defense: Winawer Variation, Fingerslip Variation, Schwarz's Line: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd2 Ne7 5.Nb1 *French Defense: Winawer Variation, Kondratiyev Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd3 c5 5.exd5 Qxd5 6.Bd2 *French Defense: Winawer Variation, Delayed Exchange Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.exd5 *French Defense: Winawer Variation, Exchange Variation, Canal Attack: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.exd5 exd5 5.Bd3 Ne7 6.Qh5 *French Defense: Winawer Variation, Alekhine-Maróczy Gambit: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 *French Defense: Winawer Variation, Alekhine Gambit, Alatortsev Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 dxe4 5.a3 Be7 6.Nxe4 Nf6 7.N2g3 0-0 8.Be2 Nc6 *French Defense: Winawer Variation, Alekhine Gambit Accepted: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 dxe4 5.a3 Bxc3+ *French Defense: Winawer Variation, Alekhine Gambit, Kan Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 dxe4 5.a3 Bxc3+ 6.Nxc3 Nc6 *French Defense: MacCutcheon Variation, Wolf Gambit: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Ne2 Nf6 5.Bg5 *C16 French, Winawer, Advance Variation *French Defense: Winawer Variation, Advance Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 *French Defense: Winawer Variation, Petrosian Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Qd7 *C17 French, Winawer, Advance Variation *French Defense: Winawer Variation, Advance Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 *French Defense: Winawer Variation, Advance Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 *French Defense: Winawer Variation, Retreat Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5 *French Defense: Winawer Variation, Retreat Variation, Armenian Line: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5 6.b4 cxd4 *French Defense: Winawer Variation, Marózy-Wallis Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 cxd4 6.axb4 dxc3 *French Defense: Winawer Variation, Advance Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 cxd4 6.axb4 dxc3 7.Nf3 *French Defense: Winawer Variation, Bogoljubow Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Bd2 *French Defense: Winawer Variation, Bogoljubow Variation, Icelandic Defense: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Bd2 Ne7 6.f4 *French Defense: Winawer Variation, Advance Variation, Moscow Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Qg4 *C18 [[French, Winawer, Advance Variation]] *French Defense: Winawer Variation, Advance Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 *French Defense: Winawer Variation, Portisch-Hook Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qa5 *French Defense: Winawer Variation, Classical Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 *C19 French, Winawer, Advance, 6...Ne7 *French Defense: Winawer Variation, Advance Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 *French Defense: Winawer Variation, Advance Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.a4 *French Defense: Winawer Variation, Positional Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 *French Defense: Winawer Variation, Poisoned Pawn Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 *French Defense: Winawer Variation, Poisoned Pawn Variation, Paoli Variation: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 Qc7 8.Qxg7 Rg8 9.Qxh7 cxd4 10.Kd1 *French Defense: Winawer Variation, Poisoned Pawn Variation, Main Line: 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 Qc7 8.Qxg7 Rg8 9.Qxh7 cxd4 10.Ne2 ===C20–C99=== 1.e4 e5: [[Open Game]] *C20 [[King's Pawn Game]] (includes [[Alapin's Opening]], [[Centre Pawn Opening]], [[Napoleon Opening]], [[Portuguese Opening]], [[Danvers Opening]], [[Bongcloud Attack]]) *King's Pawn Game: 1.e4 e5 *King's Pawn Game: Mengarini's Opening: 1.e4 e5 2.a3 *King's Pawn Opening: 1.e4 e5 2.b3 *Portuguese Opening: 1.e4 e5 2.Bb5 *Portuguese Opening: Miguel Gambit: 1.e4 e5 2.Bb5 Bc5 3.b4 *Portuguese Opening: Portuguese Gambit: 1.e4 e5 2.Bb5 Nf6 3.d4 *King's Pawn Game: Tortoise Opening: 1.e4 e5 2.Bd3 *King's Pawn Game: MacLeod Attack: 1.e4 e5 2.c3 *King's Pawn Game: MacLeod Attack, Norwalde Gambit: 1.e4 e5 2.c3 d5 3.Qh5 Bd6 *King's Pawn Game: MacLeod Attack, Lasa Gambit: 1.e4 e5 2.c3 f5 *English Opening: The Whale: 1.e4 e5 2.c4 *King's Pawn Game: Bavarian Gambit: 1.e4 e5 2.c4 d5 *King's Pawn Game: Leonardis Variation: 1.e4 e5 2.d3 *King's Pawn Game: Weber Gambit: 1.e4 e5 2.d3 d5 3.exd5 c6 4.dxc6 Nxc6 *King's Pawn Game: Clam Variation, King's Gambit Reversed: 1.e4 e5 2.d3 f5 *King's Pawn Game: Clam Variation, Radisch Gambit: 1.e4 e5 2.d3 Nf6 3.f4 Bc5 *Center Game: 1.e4 e5 2.d4 *King's Pawn Game: Beyer Gambit: 1.e4 e5 2.d4 d5 *King's Pawn Game: Philidor Gambit: 1.e4 e5 2.d4 d6 3.dxe5 Bd7 *King's Pawn Game: King's Head Opening: 1.e4 e5 2.f3 *King's Pawn Game: King's Head Opening: 1.e4 e5 2.f3 Nf6 3.Nc3 *Bongcloud Attack: 1.e4 e5 2.Ke2 *King's Pawn Game: Alapin Opening: 1.e4 e5 2.Ne2 *King's Pawn Opening: Van Hooydoon Gambit: 1.e4 e5 2.Qe2 Nc6 3.c3 Nf6 4.Nf3 Bc5 5.d4 exd4 6.cxd4 Nxd4 *King's Pawn Game: Napoleon Attack: 1.e4 e5 2.Qf3 *King's Pawn Opening: Speers: 1.e4 e5 2.Qg4 Nf6 3.Qf5 *King's Pawn Game: Wayward Queen Attack ([[Danvers Opening]]) : 1.e4 e5 2.Qh5 *King's Pawn Game: Wayward Queen Attack, Mellon Gambit: 1.e4 e5 2.Qh5 Nc6 3.Bc4 Nh6 4.d3 g6 5.Qf3 f6 6.Ne2 d5 *King's Pawn Game: Wayward Queen Attack, Kiddie Countergambit: 1.e4 e5 2.Qh5 Nf6 *Barnes Opening: Walkerling: 1.f3 e5 2.e4 Nf6 3.Bc4 *C21 [[Center Game]] (includes [[Danish Gambit]]) *Center Game Accepted: 1.e4 e5 2.d4 exd4 *Center Game: von der Lasa Gambit: 1.e4 e5 2.d4 exd4 3.Bc4 *Center Game: Ross Gambit: 1.e4 e5 2.d4 exd4 3.Bd3 *Danish Gambit: 1.e4 e5 2.d4 exd4 3.c3 *Danish Gambit Declined: Sorensen Defense: 1.e4 e5 2.d4 exd4 3.c3 d5 *Danish Gambit Accepted: 1.e4 e5 2.d4 exd4 3.c3 dxc3 *Danish Gambit Accepted: Copenhagen Defense: 1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 Bb4+ *Danish Gambit Accepted: Schlechter Defense: 1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 d5 *Danish Gambit Accepted: Classical Defense: 1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 Nf6 *Danish Gambit Accepted: Chigorin Defense: 1.e4 e5 2.d4 exd4 3.c3 dxc3 4.Bc4 cxb2 5.Bxb2 Qe7 *Danish Gambit Accepted: Svenonius Defense: 1.e4 e5 2.d4 exd4 3.c3 Ne7 *Center Game: Halasz-McDonnell Gambit: 1.e4 e5 2.d4 exd4 3.f4 *Center Game: Halasz-McDonnell Gambit, Crocodile Variation: 1.e4 e5 2.d4 exd4 3.f4 Bc5 4.Nf3 Nc6 5.c3 *Center Game: Kieseritzky Variation: 1.e4 e5 2.d4 exd4 3.Nf3 *Center Game: Lanc-Arnold Gambit: 1.e4 e5 2.d4 exd4 3.Nf3 Bc5 4.c3 *Center Game: Lanc-Arnold Gambit, Schippler Gambit: 1.e4 e5 2.d4 exd4 3.Nf3 Bc5 4.c3 dxc3 5.Bc4 *Center Game: Kieseritzky Variation: 1.e4 e5 2.d4 exd4 3.Nf3 c5 *Center Game: Kieseritzky Variation: 1.e4 e5 2.d4 exd4 3.Nf3 c5 4.Bc4 *Center Game: 1.e4 e5 2.d4 exd4 3.Qxd4 *C22 Center Game *Center Game: Normal Variation: 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 *Center Game: Hall Variation: 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qc4 *Center Game: Paulsen Attack Variation: 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 *Center Game: Charousek Variation: 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Bb4+ 5.c3 Be7 *Center Game: l'Hermet Variation: 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 f5 *Center Game: Berger Variation: 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Nf6 *Center Game: Kupreichik Variation: 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Nf6 5.Nc3 Bb4 6.Bd2 0-0 7.0-0-0 Re8 8.Bc4 d6 9.Nh3 *C23 [[Bishop's Opening]] *Bishop's Opening: 1.e4 e5 2.Bc4 *Bishop's Opening: Anderssen Gambit: 1.e4 e5 2.Bc4 b5 3.Bxb5 c6 *Bishop's Opening: Thorold Gambit: 1.e4 e5 2.Bc4 b5 3.Bxb5 f5 *Bishop's Opening: Boi Variation: 1.e4 e5 2.Bc4 Bc5 *Bishop's Opening: McDonnell Gambit: 1.e4 e5 2.Bc4 Bc5 3.b4 *Bishop's Opening: McDonnell Gambit, La Bourdonnais-Denker Gambit: 1.e4 e5 2.Bc4 Bc5 3.b4 Bxb4 4.c3 *Bishop's Opening: McDonnell Gambit, McDonnell Double Gambit: 1.e4 e5 2.Bc4 Bc5 3.b4 Bxb4 4.f4 *Bishop's Opening: Four Pawns Gambit: 1.e4 e5 2.Bc4 Bc5 3.b4 Bxb4 4.f4 exf4 5.Nf3 Be7 6.d4 Bh4+ 7.g3 fxg3 8.0-0 gxh2+ 9.Kh1 *Bishop's Opening: Philidor Variation: 1.e4 e5 2.Bc4 Bc5 3.c3 *Bishop's Opening: Lewis Countergambit: 1.e4 e5 2.Bc4 Bc5 3.c3 d5 *Bishop's Opening: Lewis Countergambit: 1.e4 e5 2.Bc4 Bc5 3.c3 d5 4.Bxd5 Nf6 *Bishop's Opening: Lewis Countergambit, Walker Variation: 1.e4 e5 2.Bc4 Bc5 3.c3 d5 4.Bxd5 Nf6 5.d4 *Bishop's Opening: Pratt Variation: 1.e4 e5 2.Bc4 Bc5 3.c3 Nf6 4.d4 exd4 5.e5 d5 6.exf6 dxc4 7.Qh5 0-0 *Bishop's Opening: del Rio Variation: 1.e4 e5 2.Bc4 Bc5 3.c3 Qg5 *Bishop's Opening: Lewis Gambit: 1.e4 e5 2.Bc4 Bc5 3.d4 *Bishop's Opening: Stein Gambit: 1.e4 e5 2.Bc4 Bc5 3.f4 *Bishop's Opening: Lopez Variation: 1.e4 e5 2.Bc4 Bc5 3.Qe2 *Bishop's Opening: Lopez Gambit: 1.e4 e5 2.Bc4 Bc5 3.Qe2 Nc6 4.c3 Nf6 5.f4 *Bishop's Opening: Lopez Variation, Lopez Gambit: 1.e4 e5 2.Bc4 Bc5 3.Qe2 Nf6 4.f4 *Bishop's Opening: Philidor Counterattack: 1.e4 e5 2.Bc4 c6 *Bishop's Opening: Lisitsyn Variation: 1.e4 e5 2.Bc4 c6 3.d4 d5 4.exd5 cxd5 5.Bb5+ Bd7 6.Bxd7+ Nxd7 7.dxe5 Nxe5 8.Ne2 *Bishop's Opening: Khan Gambit: 1.e4 e5 2.Bc4 d5 *Bishop's Opening: Calabrese Countergambit: 1.e4 e5 2.Bc4 f5 *Bishop's Opening: Calabrese Countergambit, Jaenisch Variation: 1.e4 e5 2.Bc4 f5 3.d3 *C24 Bishop's Opening, Berlin Defence *Bishop's Opening: Berlin Defense: 1.e4 e5 2.Bc4 Nf6 *Bishop's Opening: Kitchener Folly: 1.e4 e5 2.Bc4 Nf6 3.d3 Be7 4.Nf3 0-0 *Bishop's Opening: Vienna Hybrid: 1.e4 e5 2.Bc4 Nf6 3.d3 Nc6 4.Nc3 *Bishop's Opening: Ponziani Gambit: 1.e4 e5 2.Bc4 Nf6 3.d4 *Bishop's Opening: Warsaw Gambit: 1.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.c3 *Bishop's Opening: Urusov Gambit, Panov Variation: 1.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.Nf3 d5 5.exd5 Bb4+ 6.c3 Qe7+ *Bishop's Opening: Krejcik Gambit: 1.e4 e5 2.Bc4 Nf6 3.f3 Bc5 4.Ne2 Nc6 5.b4 *Bishop's Opening: Berlin Defense, Greco Gambit: 1.e4 e5 2.Bc4 Nf6 3.f4 *Bishop's Opening: Pachman Gambit: 1.e4 e5 2.Bc4 Nf6 3.Ne2 Nxe4 4.Nec3 *C25 [[Vienna Game]] *Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Thorold Variation: 1.e4 e5 2.f4 exf4 3.Nf3 Nc6 4.Nc3 g5 5.h4 g4 6.Ng5 h6 7.Nxf7 Kxf7 8.d4 *Vienna Game: 1.e4 e5 2.Nc3 *Vienna Game: Zhuravlev Countergambit: 1.e4 e5 2.Nc3 Bb4 3.Qg4 Nf6 *Vienna Game: Anderssen Defense: 1.e4 e5 2.Nc3 Bc5 *Vienna Game: Hamppe-Meitner Variation: 1.e4 e5 2.Nc3 Bc5 3.Na4 *Vienna Game: Giraffe Attack: 1.e4 e5 2.Nc3 Bc5 3.Qg4 *Vienna Game: Omaha Gambit: 1.e4 e5 2.Nc3 d6 3.f4 *Vienna Game: Max Lange Defense: 1.e4 e5 2.Nc3 Nc6 *Vienna Game: Stanley Variation, Meitner-Mieses Gambit: 1.e4 e5 2.Nc3 Nc6 3.Bc4 Bc5 4.Qg4 Qf6 5.Nd5 *Vienna Game: Fyfe Gambit: 1.e4 e5 2.Nc3 Nc6 3.d4 *Vienna Game: Philidor Countergambit: 1.e4 e5 2.Nc3 Nc6 3.d4 f5 *Vienna Gambit, with Max Lange Defense: 1.e4 e5 2.Nc3 Nc6 3.f4 *Vienna Gambit, with Max Lange Defense: Quelle Gambit: 1.e4 e5 2.Nc3 Nc6 3.f4 Bc5 4.fxe5 d6 *Vienna Gambit, with Max Lange Defense: Steinitz Gambit: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 *Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Main Line: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 *Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Fraser-Minckwitz Defense: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 b6 *Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Zukertort Defense: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 d5 *Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Paulsen Defense: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 d6 *Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Sörensen Defense: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.d4 Qh4+ 5.Ke2 g5 *Vienna Gambit, with Max Lange Defense: Knight Variation: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 *Vienna Gambit, with Max Lange Defense: Cunningham Defense: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 Be7 *Vienna Game: Hamppe-Muzio Gambit: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.Bc4 g4 6.0-0 *Vienna Gambit, with Max Lange Defense: Hamppe-Muzio Gambit: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.Bc4 g4 6.0-0 gxf3 *Vienna Game: Hamppe-Muzio, Dubois Variation: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.Bc4 g4 6.0-0 gxf3 7.Qxf3 Ne5 8.Qxf4 Qf6 *Vienna Gambit, with Max Lange Defense: Pierce Gambit: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.d4 *Vienna Game: Pierce Gambit, Rushmere Attack: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.d4 g4 6.Bc4 gxf3 7.0-0 d5 8.exd5 Bg4 9.dxc6 *Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.h4 g4 6.Ng5 *Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Alapin Variation: 1.e4 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 g5 5.h4 g4 6.Ng5 d6 *Vienna Game: Paulsen Variation: 1.e4 e5 2.Nc3 Nc6 3.g3 *Vienna Game: Paulsen Variation, Mariotti Gambit: 1.e4 e5 2.Nc3 Nc6 3.g3 Bc5 4.Bg2 h5 5.Nf3 h4 *Vienna Game: Paulsen Variation: 1.e4 e5 2.Nc3 Nc6 3.g3 Nf6 4.Bg2 Bc5 5.Nge2 d5 *C26 Vienna Game, Falkbeer Variation *Bishop's Opening: Horwitz Gambit: 1.e4 e5 2.Bc4 Nf6 3.Nc3 b5 *Vienna Game: Falkbeer Variation: 1.e4 e5 2.Nc3 Nf6 *Vienna Game: Mengarini Variation: 1.e4 e5 2.Nc3 Nf6 3.a3 *Vienna Game: Stanley Variation: 1.e4 e5 2.Nc3 Nf6 3.Bc4 *Vienna Game: Stanley Variation, Reversed Spanish: 1.e4 e5 2.Nc3 Nf6 3.Bc4 Bb4 *Bishop's Opening: Vienna Hybrid, Spielmann Attack: 1.e4 e5 2.Nc3 Nf6 3.Bc4 Bc5 4.d3 *Vienna Game: Stanley Variation, Eifel Gambit: 1.e4 e5 2.Nc3 Nf6 3.Bc4 Bc5 4.Nge2 b5 *Vienna Game: Mieses Variation: 1.e4 e5 2.Nc3 Nf6 3.g3 *Vienna Game: Paulsen Variation, Pollock Gambit: 1.e4 e5 2.Nc3 Nf6 3.g3 Bc5 4.Bg2 Nc6 5.Nge2 d5 6.exd5 *Vienna Game: Mieses Variation, Erben Gambit: 1.e4 e5 2.Nc3 Nf6 3.g3 d5 4.exd5 c6 *C27 Vienna Game, [[Frankenstein–Dracula Variation]] *Vienna Game: Frankenstein-Dracula Variation: 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 *Vienna Game: Stanley Variation, Monster Declined: 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Be7 *Vienna Game: Stanley Variation, Alekhine Variation: 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Be7 6.Nf3 Nc6 7.Nxe5 *Vienna Game: Adams' Gambit: 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.d4 *Vienna Game: Stanley Variation, Frankenstein-Dracula Variation: 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.Nb5 g6 7.Qf3 f5 8.Qd5 Qe7 9.Nxc7+ Kd8 10.Nxa8 b6 *Bishop's Opening: Boden-Kieseritzky Gambit: 1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Nc3 *Bishop's Opening: Boden-Kieseritzky Gambit, Lichtenhein Defense: 1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Nc3 d5 *C28 Vienna Game *Vienna Game: Stanley Variation, Three Knights Variation: 1.e4 e5 2.Nc3 Nc6 3.Bc4 Nf6 *Bishop's Opening: Vienna Hybrid, Hromádka Variation: 1.e4 e5 2.Nc3 Nc6 3.Bc4 Nf6 4.d3 Bb4 5.Ne2 *Vienna Game: Stanley Variation, Bronstein Gambit: 1.e4 e5 2.Nc3 Nc6 3.Bc4 Nf6 4.f4 Nxe4 5.Nf3 *C29 Vienna Gambit, Kaufmann Variation including [[Würzburger Trap]] *Vienna Game: Vienna Gambit: 1.e4 e5 2.Nc3 Nf6 3.f4 *Vienna Game: Vienna Gambit, Main Line: 1.e4 e5 2.Nc3 Nf6 3.f4 d5 *Vienna Game: Vienna Gambit, Steinitz Variation: 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.d3 *Vienna Game: Vienna Gambit, Modern Variation: 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.d3 *Vienna Game: Vienna Gambit, Wurzburger Trap: 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.d3 Qh4+ 6.g3 Nxg3 7.Nf3 Qh5 8.Nxd5 *Vienna Game: Vienna Gambit, Breyer Variation: 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Nf3 Be7 *Vienna Game: Vienna Gambit, Kaufmann Variation: 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Nf3 Bg4 6.Qe2 *Vienna Game: Vienna Gambit, Paulsen Attack: 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Qf3 *Vienna Game: Vienna Gambit, Bardeleben Variation: 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Qf3 f5 *Vienna Game: Heyde Variation: 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Qf3 f5 6.d4 *C30 [[King's Gambit]] *King's Gambit Declined: Mafia Defense: 1.e4 c5 2.f4 e5 *King's Gambit Declined: Classical, Svenonius Variation: 1.e4 e5 2.Bc4 Nc6 3.Nc3 Nf6 4.d3 Bc5 5.f4 d6 6.Nf3 Bg4 7.h3 Bxf3 8.Qxf3 exf4 *King's Gambit: 1.e4 e5 2.f4 *King's Gambit Declined: Classical Variation: 1.e4 e5 2.f4 Bc5 *King's Gambit Declined: Classical Variation, Rotlewi Countergambit: 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.b4 *King's Gambit Declined: Classical Variation: 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 *King's Gambit Declined: Classical Variation, Euwe Attack: 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 Bg4 5.fxe5 dxe5 6.Qa4+ *King's Gambit Declined: Classical Variation, Rubinstein Countergambit: 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5 *King's Gambit Declined: Classical, Réti Variation: 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5 5.fxe5 dxe5 6.d4 exd4 7.Bc4 *King's Gambit Declined: Classical, Soldatenkov Variation: 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.fxe5 *King's Gambit Declined: Classical, Hanham Variation: 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 Nd7 *King's Gambit Declined: Senechaud Countergambit: 1.e4 e5 2.f4 Bc5 3.Nf3 g5 *King's Gambit Declined: Panteldakis Countergambit: 1.e4 e5 2.f4 f5 *King's Gambit Declined: Panteldakis Countergambit, Schiller's Defense: 1.e4 e5 2.f4 f5 3.exf5 Bc5 *King's Gambit Declined: Panteldakis Countergambit, Symmetrical Variation: 1.e4 e5 2.f4 f5 3.exf5 exf4 4.Nf3 d5 5.d4 Bd6 6.Bd3 *King's Gambit Declined: Panteldakis Countergambit, Pawn Sacrifice Line: 1.e4 e5 2.f4 f5 3.exf5 exf4 4.Qh5+ g6 5.fxg6 Qe7+ 6.Kd1 *King's Gambit Declined: Panteldakis Countergambit, Shirazi Line: 1.e4 e5 2.f4 f5 3.exf5 exf4 4.Qh5+ Ke7 *King's Gambit Declined: Panteldakis Countergambit, Greco Variation: 1.e4 e5 2.f4 f5 3.exf5 Qh4+ *King's Gambit Declined: Soller-Zilbermints Gambit: 1.e4 e5 2.f4 f6 3.fxe5 Nc6 *King's Gambit Declined: Zilbermints Double Countergambit: 1.e4 e5 2.f4 g5 *King's Gambit Declined: Queen's Knight Defense: 1.e4 e5 2.f4 Nc6 *King's Gambit Declined: Miles Defense: 1.e4 e5 2.f4 Nc6 3.Nf3 f5 *King's Gambit Declined: Zilbermints Double Gambit: 1.e4 e5 2.f4 Nc6 3.Nf3 g5 *King's Gambit Declined: Hobbs-Zilbermints Gambit: 1.e4 e5 2.f4 Nc6 3.Nf3 g5 4.fxg5 h6 *King's Gambit Declined: Petrov's Defense: 1.e4 e5 2.f4 Nf6 *King's Gambit Declined: Norwalde Variation: 1.e4 e5 2.f4 Qf6 *King's Gambit Declined: Norwalde Variation, Schubert Variation: 1.e4 e5 2.f4 Qf6 3.Nc3 Qxf4 4.d4 *King's Gambit Declined: Norwalde Variation, Bücker Gambit: 1.e4 e5 2.f4 Qf6 3.Nc3 Qxf4 4.Nf3 Bb4 5.Bc4 *King's Gambit Declined: Keene's Defense: 1.e4 e5 2.f4 Qh4+ *King's Gambit Declined: Keene's Defense: 1.e4 e5 2.f4 Qh4+ 3.g3 *King's Gambit Declined: Keene Defense: 1.e4 e5 2.f4 Qh4+ 3.g3 Qe7 *C31 King's Gambit Declined, Falkbeer and Nimzowitsch (3...c6) Countergambits *King's Gambit Declined: Falkbeer Countergambit: 1.e4 e5 2.f4 d5 *King's Gambit Declined: Falkbeer Countergambit, Hinrichsen Gambit: 1.e4 e5 2.f4 d5 3.d4 *King's Gambit Declined: Falkbeer Countergambit Accepted: 1.e4 e5 2.f4 d5 3.exd5 *King's Gambit Declined: Falkbeer Countergambit, Miles Gambit: 1.e4 e5 2.f4 d5 3.exd5 Bc5 *King's Gambit Declined: Falkbeer Countergambit, Nimzowitsch-Marshall Countergambit: 1.e4 e5 2.f4 d5 3.exd5 c6 *King's Gambit Declined: Falkbeer Countergambit, Pickler Gambit: 1.e4 e5 2.f4 d5 3.exd5 c6 4.dxc6 Bc5 *King's Gambit Declined: Falkbeer Countergambit, Staunton Line: 1.e4 e5 2.f4 d5 3.exd5 e4 *King's Gambit Declined: Falkbeer Countergambit, Anderssen Attack: 1.e4 e5 2.f4 d5 3.exd5 e4 4.Bb5+ *King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 *King's Gambit Declined: Falkbeer Countergambit, Rubinstein Variation: 1.e4 e5 2.f4 d5 3.exd5 e4 4.Nc3 Nf6 5.Qe2 *King's Gambit Declined: Falkbeer Countergambit, Modern Transfer: 1.e4 e5 2.f4 d5 3.exd5 exf4 *King's Gambit Declined: Falkbeer Countergambit, Milner-Barry Variation: 1.e4 e5 2.f4 d5 3.Nc3 *Van Geet Opening: Grünfeld Defense, Steiner Gambit: 1.e4 e5 2.f4 d5 3.Nc3 dxe4 4.Nxe4 *King's Gambit Declined: Falkbeer Countergambit, Blackburne Attack: 1.e4 e5 2.f4 d5 3.Nf3 *King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit, Morphy Defense: 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.exd5 e4 5.d3 Bb4 6.Bd2 e3 *C32 King's Gambit Declined, Falkbeer, 5.dxe4 *King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit Accepted: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 *King's Gambit Declined: Falkbeer Countergambit, Alapin Variation: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf2+ 8.Kd1 Qxd5+ 9.Nfd2 *King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit, Main Line: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf5 *King's Gambit Declined: Falkbeer Countergambit, Tarrasch Variation: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf5 8.g4 0-0 *King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Qe2 *King's Gambit Declined: Falkbeer Countergambit, Charousek Variation: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Qe2 Qxd5 7.Nd2 f5 8.g4 *King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit, Keres Variation: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Nd2 *King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit, Old Line: 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Qe2 *C33 King's Gambit Accepted *King's Gambit Accepted: 1.e4 e5 2.f4 exf4 *King's Gambit Accepted: Orsini Gambit: 1.e4 e5 2.f4 exf4 3.b3 *King's Gambit Accepted: Schurig Gambit, with Bb5: 1.e4 e5 2.f4 exf4 3.Bb5 *King's Gambit Accepted: Bishop's Gambit: 1.e4 e5 2.f4 exf4 3.Bc4 *King's Gambit Accepted: Bishop's Gambit, Kieseritzky Gambit: 1.e4 e5 2.f4 exf4 3.Bc4 b5 *King's Gambit Accepted: Bishop's Gambit, Lopez Defense: 1.e4 e5 2.f4 exf4 3.Bc4 c6 *King's Gambit Accepted: Bishop's Gambit, Bledow Variation: 1.e4 e5 2.f4 exf4 3.Bc4 d5 *King's Gambit Accepted: Bishop's Gambit, Anderssen Variation: 1.e4 e5 2.f4 exf4 3.Bc4 d5 4.Bxd5 c6 *King's Gambit Accepted: Bishop's Gambit, Bledow Countergambit: 1.e4 e5 2.f4 exf4 3.Bc4 d5 4.Bxd5 Nf6 *King's Gambit Accepted: Bishop's Gambit, Boren-Svenonius Variation: 1.e4 e5 2.f4 exf4 3.Bc4 d5 4.Bxd5 Qh4+ 5.Kf1 Bd6 *King's Gambit Accepted: Bishop's Gambit, Gianutio Gambit: 1.e4 e5 2.f4 exf4 3.Bc4 f5 *King's Gambit Accepted: Lopez-Gianutio Countergambit, Hein Variation: 1.e4 e5 2.f4 exf4 3.Bc4 f5 4.Qe2 Qh4+ 5.Kd1 fxe4 6.Nc3 Kd8 *King's Gambit Accepted: Bishop's Gambit, Anderssen Defense: 1.e4 e5 2.f4 exf4 3.Bc4 g5 *King's Gambit Accepted: Bishop's Gambit, Maurian Defense: 1.e4 e5 2.f4 exf4 3.Bc4 Nc6 *King's Gambit Accepted: Bishop's Gambit, Steinitz Defense: 1.e4 e5 2.f4 exf4 3.Bc4 Ne7 *King's Gambit Accepted: Bishop's Gambit, Cozio Defense: 1.e4 e5 2.f4 exf4 3.Bc4 Nf6 *King's Gambit Accepted: Bishop's Gambit, Bogoljubow Variation: 1.e4 e5 2.f4 exf4 3.Bc4 Nf6 4.Nc3 *King's Gambit Accepted: Bishop's Gambit, Paulsen Attack: 1.e4 e5 2.f4 exf4 3.Bc4 Nf6 4.Nc3 Bb4 5.e5 *King's Gambit Accepted: Bishop's Gambit, Bogoljubow Defense: 1.e4 e5 2.f4 exf4 3.Bc4 Nf6 4.Nc3 c6 *King's Gambit Accepted: Bishop's Gambit, Bryan Countergambit: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 b5 *King's Gambit Accepted: Bishop's Gambit, Greco Variation: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 Bc5 *King's Gambit Accepted: Bishop's Gambit, Chigorin's Attack: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 d5 5.Bxd5 g5 6.g3 *King's Gambit Accepted: Bishop's Gambit, Cozio Variation: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 d6 *King's Gambit Accepted: Bishop's Gambit, Lopez Variation: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 *King's Gambit Accepted: Bishop's Gambit, Grimm Attack: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.d4 d6 7.e5 *King's Gambit Accepted: Bishop's Gambit, McDonnell Attack: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.d4 Ne7 7.g3 *King's Gambit Accepted: Bishop's Gambit, McDonnell Attack: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.g3 *King's Gambit Accepted: Bishop's Gambit, Fraser Variation: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Nc3 Bg7 6.g3 fxg3 7.Qf3 *King's Gambit Accepted: Bishop's Gambit, Classical Defense, Cozio Attack: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 g5 5.Qf3 *King's Gambit Accepted: Bishop's Gambit, Boden Variation: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 Nc6 *King's Gambit Accepted: Bishop's Gambit, Classical Defense: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 Ne7 5.Nc3 g5 6.d4 Bg7 *King's Gambit Accepted: Bishop's Gambit, First Jaenisch Variation: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 Nf6 *King's Gambit Accepted: Schurig Gambit, with Bd3: 1.e4 e5 2.f4 exf4 3.Bd3 *King's Gambit Accepted: Tartakower Gambit: 1.e4 e5 2.f4 exf4 3.Be2 *King's Gambit Accepted: Tartakower Gambit, Weiss Defense: 1.e4 e5 2.f4 exf4 3.Be2 f5 4.exf5 d6 *King's Gambit Accepted: Polerio Gambit: 1.e4 e5 2.f4 exf4 3.d4 *King's Gambit Accepted: Gaga Gambit: 1.e4 e5 2.f4 exf4 3.g3 *King's Gambit Accepted: Stamma Gambit: 1.e4 e5 2.f4 exf4 3.h4 *King's Gambit Accepted: Tumbleweed: 1.e4 e5 2.f4 exf4 3.Kf2 *King's Gambit Accepted: Mason-Keres Gambit: 1.e4 e5 2.f4 exf4 3.Nc3 *King's Gambit Accepted: Paris Gambit: 1.e4 e5 2.f4 exf4 3.Ne2 *King's Gambit Accepted: Eisenberg Variation: 1.e4 e5 2.f4 exf4 3.Nh3 *King's Gambit Accepted: Basman Gambit: 1.e4 e5 2.f4 exf4 3.Qe2 *King's Gambit Accepted: Breyer Gambit: 1.e4 e5 2.f4 exf4 3.Qf3 *King's Gambit Accepted: Dodo Variation: 1.e4 e5 2.f4 exf4 3.Qg4 *King's Gambit Accepted: Carrera Gambit: 1.e4 e5 2.f4 exf4 3.Qh5 *C34 King's Gambit Accepted, including [[Fischer Defence]] *King's Gambit Accepted: King's Knight's Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 *King's Gambit Accepted: Fischer Defense: 1.e4 e5 2.f4 exf4 3.Nf3 d6 *King's Gambit Accepted: Fischer Defense, Schulder Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 d6 4.b4 *King's Gambit Accepted: Greco Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 d6 4.Bc4 h6 5.d4 g5 6.h4 Bg7 *King's Gambit Accepted: Fischer Defense, Spanish Variation: 1.e4 e5 2.f4 exf4 3.Nf3 d6 4.d4 Nf6 5.Bd3 *King's Gambit Accepted: Gianutio Countergambit: 1.e4 e5 2.f4 exf4 3.Nf3 f5 *King's Gambit Accepted: King's Knight's Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 *King's Gambit Accepted: Wagenbach Defense: 1.e4 e5 2.f4 exf4 3.Nf3 h5 *King's Gambit Accepted: Becker Defense: 1.e4 e5 2.f4 exf4 3.Nf3 h6 *King's Gambit Accepted: MacLeod Defense: 1.e4 e5 2.f4 exf4 3.Nf3 Nc6 *King's Gambit Accepted: Bonsch-Osmolovsky Variation: 1.e4 e5 2.f4 exf4 3.Nf3 Ne7 *King's Gambit Accepted: Schallopp Defense: 1.e4 e5 2.f4 exf4 3.Nf3 Nf6 *King's Gambit Accepted: Schallopp Defense, Tashkent Attack: 1.e4 e5 2.f4 exf4 3.Nf3 Nf6 4.e5 Nh5 5.g4 *C35 King's Gambit Accepted, Cunningham Defence *King's Gambit Accepted: Cunningham Defense: 1.e4 e5 2.f4 exf4 3.Nf3 Be7 *King's Gambit Accepted: Cunningham Defense, Bertin Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Bh4+ 5.g3 *King's Gambit Accepted: Cunningham Defense, Bertin Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Bh4+ 5.g3 fxg3 6.0-0 gxh2+ 7.Kh1 *King's Gambit Accepted: Cunningham Defense, McCormick Defense: 1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Nf6 *C36 King's Gambit Accepted, Abbazia Defence (Classical Defence, Modern Defence) *King's Gambit Accepted: Modern Defense: 1.e4 e5 2.f4 exf4 3.Nf3 d5 *King's Gambit Accepted: Modern Defense: 1.e4 e5 2.f4 exf4 3.Nf3 d5 4.exd5 *King's Gambit Accepted: Abbazia Defense: 1.e4 e5 2.f4 exf4 3.Nf3 d5 4.exd5 Nf6 *King's Gambit Accepted: Abbazia Defense, Main Line: 1.e4 e5 2.f4 exf4 3.Nf3 d5 4.exd5 Nf6 5.Bb5+ c6 6.dxc6 bxc6 7.Bc4 Nd5 *C37 King's Gambit Accepted, Quaade Gambit [[McDonnell Gambit]], or [[Muzio Gambit]] *King's Gambit Accepted: King's Knight's Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 *King's Gambit Accepted: Middleton Countergambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 d6 5.0-0 Bg4 6.h3 h5 7.hxg4 hxg4 *King's Gambit Accepted: Lolli Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Bxf7+ *King's Gambit Accepted: Lolli Gambit, Young Variation: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Bxf7+ Kxf7 6.0-0 gxf3 7.Qxf3 Qf6 8.d4 Qxd4+ 9.Be3 Qf6 10.Nc3 *King's Gambit Accepted: Ghulam-Kassim Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.d4 *King's Gambit Accepted: Kotov Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.d4 gxf3 6.Bxf4 *King's Gambit Accepted: Ghulam-Kassim Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.d4 gxf3 6.Qxf3 *King's Gambit Accepted: Australian Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.h4 *King's Gambit Accepted: McDonnell Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Nc3 *King's Gambit Accepted: Salvio Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 *King's Gambit Accepted: Salvio Gambit, Cochrane Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 f3 *King's Gambit Accepted: Salvio Gambit, Viennese Variation: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nc6 *King's Gambit Accepted: Salvio Gambit, Santa Maria Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nf6 *King's Gambit Accepted: Salvio Gambit, Silberschmidt Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nh6 *King's Gambit Accepted: Salvio Gambit, Anderssen Counterattack: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nh6 7.d4 d6 *King's Gambit Accepted: Silberschmidt Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nh6 7.d4 f3 *King's Gambit Accepted: Muzio Gambit, Wild Muzio Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 *King's Gambit Accepted: Muzio Gambit, Brentano Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 d5 *King's Gambit Accepted: Muzio Gambit, Holloway Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Nc6 *King's Gambit Accepted: Muzio Gambit Accepted, From's Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Qe7 *King's Gambit Accepted: Muzio Gambit, Sarratt Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Qf6 *King's Gambit Accepted: Double Muzio Gambit, Young Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Qf6 7.Bxf7+ Kxf7 8.d4 Qxd4+ 9.Be3 Qf6 10.Nc3 fxe3 *King's Gambit Accepted: Double Muzio Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Qf6 7.e5 Qxe5 8.Bxf7+ *King's Gambit Accepted: Double Muzio Gambit, Paulsen Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Qf6 7.e5 Qxe5 8.d3 Bh6 9.Nc3 Ne7 10.Bd2 Nbc6 11.Rae1 *King's Gambit Accepted: Double Muzio Gambit, Bello Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Qf6 7.Nc3 *King's Gambit Accepted: Double Muzio Gambit, Baldwin Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 gxf3 6.Qxf3 Qf6 7.Nc3 Qd4+ 8.Kh1 Qxc4 9.Nd5 *King's Gambit Accepted: Muzio Gambit, Kling and Horwitz Counterattack: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.0-0 Qe7 *King's Gambit Accepted: Rosentreter Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.d4 *King's Gambit Accepted: Rosentreter Gambit, Testa Variation: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.d4 g4 5.Bxf4 *King's Gambit Accepted: Rosentreter Gambit, Sörensen Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.d4 g4 5.Nc3 *King's Gambit Accepted: Sörensen Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.d4 g4 5.Ne5 *King's Gambit Accepted: Rosentreter Gambit, Bird Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.d4 g4 5.Ne5 Qh4+ 6.g3 *King's Gambit Accepted: Quaade Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Nc3 *King's Gambit Accepted: Blachly Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 Nc6 4.Bc4 g5 *C38 King's Gambit Accepted *King's Gambit Accepted: Traditional Variation: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 *King's Gambit Accepted: Mayet Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.d4 d6 6.c3 *King's Gambit Accepted: Philidor Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.h4 *King's Gambit Accepted: Greco Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.h4 h6 6.d4 d6 7.Nc3 c6 8.hxg5 hxg5 9.Rxh8 Bxh8 10.Ne5 *King's Gambit Accepted: Hanstein Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.0-0 *King's Gambit Accepted: Philidor Gambit, Schultz Variation: 1.e4 e5 2.f4 exf4 3.Nf3 h6 4.Bc4 d6 5.d4 g5 6.h4 Bg7 7.Qd3 *C39 King's Gambit Accepted, Allgaier and Kieseritzky Gambits including [[Rice Gambit]] *King's Gambit Accepted: King's Knight's Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 *King's Gambit Accepted: Kieseritzky Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 *King's Gambit Accepted: Kieseritzky, Polerio Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Be7 *King's Gambit Accepted: Kieseritzky Gambit, Paulsen Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Bg7 *King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5 *King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5 6.d4 Nf6 7.Bxf4 *King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense, Caro Variation: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d5 6.d4 Nf6 7.Bxf4 Nxe4 8.Nd2 *King's Gambit Accepted: Kieseritzky Gambit, Kolisch Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 d6 *King's Gambit Accepted: Kieseritzky Gambit, Long Whip: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 h5 *King's Gambit Accepted: Kieseritzky, Long Whip Defense, Jaenisch Variation: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 h5 6.Bc4 Rh7 7.d4 Bh6 8.Nc3 *King's Gambit Accepted: Kieseritzky Gambit, Neumann Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nc6 *King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 *King's Gambit Accepted: Kieseritzky Gambit, Anderssen Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6 *King's Gambit Accepted: Kieseritzky Gambit, Anderssen-Cordel Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6 8.d4 Nh5 9.Bxf4 Nxf4 *King's Gambit Accepted: Kieseritzky, Rice Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6 8.0-0 *King's Gambit Accepted: Kieseritzky Gambit, Rice Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bd6 8.0-0 Bxe5 *King's Gambit Accepted: Kieseritzky Gambit, Paulsen Defense Deferred: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Bc4 d5 7.exd5 Bg7 *King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense, Rubinstein Variation: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.d4 *King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense, de Riviere Variation: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Nf6 6.Nxg4 d5 *King's Gambit Accepted: Kieseritzky Gambit, Rosenthal Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Qe7 *King's Gambit Accepted: Kieseritzky, Salvio Defense, Cozio Variation: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5 Qe7 6.d4 f5 7.Bc4 *King's Gambit Accepted: Allgaier Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 *King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 *King's Gambit Accepted: Allgaier Gambit, Urusov Attack: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Bc4+ *King's Gambit Accepted: Allgaier, Urusov Attack: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Bc4+ d5 8.Bxd5+ Kg7 9.d4 *King's Gambit Accepted: Allgaier Gambit, Thorold Attack: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.d4 *King's Gambit Accepted: Allgaier, Cook Variation: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.d4 d5 8.Bxf4 dxe4 9.Bc4+ Kg7 10.Be5+ *King's Gambit Accepted: Allgaier, Blackburne Gambit: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Nc3 *King's Gambit Accepted: Allgaier, Horny Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 h6 6.Nxf7 Kxf7 7.Qxg4 Nf6 8.Qxf4 Bd6 *King's Gambit Accepted: Allgaier, Schlechter Defense: 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ng5 Nf6 *C40 [[King's Knight Opening]] (includes [[Gunderam Defence]], [[Brazilian Defence]], [[Greco Defence]], [[Damiano Defence]], [[Elephant Gambit]], and [[Latvian Gambit]].) *King's Knight Opening: 1.e4 e5 2.Nf3 *King's Pawn Game: Busch-Gass Gambit: 1.e4 e5 2.Nf3 Bc5 *King's Pawn Game: Busch-Gass Gambit, Chiodini Gambit: 1.e4 e5 2.Nf3 Bc5 3.Nxe5 Nc6 *King's Pawn Game: Gunderam Gambit: 1.e4 e5 2.Nf3 c6 *Elephant Gambit: 1.e4 e5 2.Nf3 d5 *Elephant Gambit: Maróczy Gambit: 1.e4 e5 2.Nf3 d5 3.exd5 Bd6 *Elephant Gambit: Paulsen Countergambit: 1.e4 e5 2.Nf3 d5 3.exd5 e4 *Elephant Gambit: Wasp Variation: 1.e4 e5 2.Nf3 d5 3.Nxe5 dxe4 4.Bc4 Qg5 *Latvian Gambit: 1.e4 e5 2.Nf3 f5 *Latvian Gambit: Senechaud Gambit: 1.e4 e5 2.Nf3 f5 3.b4 *Latvian Gambit: Mayet Attack: 1.e4 e5 2.Nf3 f5 3.Bc4 *Latvian Gambit: Mayet Attack, Strautins Gambit: 1.e4 e5 2.Nf3 f5 3.Bc4 b5 *Latvian Gambit: Mayet Attack, Polerio-Svedenborg Variation: 1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 d5 *Latvian Gambit: Corkscrew Countergambit: 1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Nf6 *Latvian Gambit: Mayet Attack, Poisoned Pawn Variation: 1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.d4 Qxg2 *Latvian Gambit: Behting Variation: 1.e4 e5 2.Nf3 f5 3.Bc4 fxe4 4.Nxe5 Qg5 5.Nf7 Qxg2 6.Rf1 d5 7.Nxh8 Nf6 *Latvian Gambit: Mayet Attack, Morgado Defense: 1.e4 e5 2.Nf3 f5 3.Bc4 Nf6 *Latvian Gambit: Diepstraten Countergambit: 1.e4 e5 2.Nf3 f5 3.c4 *Latvian Gambit: Mason Countergambit: 1.e4 e5 2.Nf3 f5 3.d4 *Latvian Gambit Accepted: 1.e4 e5 2.Nf3 f5 3.exf5 *Latvian Gambit Accepted: Ian Defense: 1.e4 e5 2.Nf3 f5 3.exf5 e4 4.Ne5 Nf6 5.Be2 Be7 6.Bh5+ Kf8 *Latvian Gambit: Lobster Gambit: 1.e4 e5 2.Nf3 f5 3.g4 *Latvian Gambit: Mlotkowski Variation: 1.e4 e5 2.Nf3 f5 3.Nc3 *Latvian Gambit: Fraser Defense: 1.e4 e5 2.Nf3 f5 3.Nxe5 Nc6 *Latvian Gambit: Corkscrew Gambit: 1.e4 e5 2.Nf3 f5 3.Nxe5 Nf6 4.Bc4 fxe4 5.Nf7 Qe7 6.Nxh8 d5 *Latvian Gambit: Greco Variation: 1.e4 e5 2.Nf3 f5 3.Nxe5 Qe7 *Latvian Gambit Accepted: Main Line: 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 *Latvian Gambit Accepted: Bilguer Variation: 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 *Latvian Gambit Accepted: Bronstein Attack: 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Be2 *Latvian Gambit Accepted: Nimzowitsch Attack: 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Ne3 *Latvian Gambit Accepted: Bronstein Gambit: 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Qh5+ g6 7.Qe2 *Latvian Gambit Accepted: Foltys-Leonhardt Variation: 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4 *Latvian Gambit Accepted: Foltys Variation: 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4 fxe4 5.d3 *Latvian Gambit Accepted: Leonhardt Variation: 1.e4 e5 2.Nf3 f5 3.Nxe5 Qf6 4.Nc4 fxe4 5.Nc3 *King's Pawn Game: Damiano Defense: 1.e4 e5 2.Nf3 f6 *King's Pawn Game: Damiano Defense, Damiano Gambit: 1.e4 e5 2.Nf3 f6 3.Nxe5 fxe5 4.Qh5+ g6 5.Qxe5+ Qe7 6.Qxh8 *King's Pawn Game: Damiano Defense, Damiano Gambit, Chigorin Gambit: 1.e4 e5 2.Nf3 f6 3.Nxe5 Qe7 4.Nf3 d5 *Gunderam Defense: 1.e4 e5 2.Nf3 Qe7 *King's Pawn Game: Gunderam Defense, Gunderam Gambit: 1.e4 e5 2.Nf3 Qe7 3.Bc4 f5 *King's Pawn Game: McConnell Defense: 1.e4 e5 2.Nf3 Qf6 *King's Pawn Game: La Bourdonnais Gambit: 1.e4 e5 2.Nf3 Qf6 3.Bc4 Qg6 4.0-0 *C41 [[Philidor Defence]] *Philidor Defense: Lion Variation, Sozin Variation: 1.e4 d6 2.d4 Nf6 3.Nc3 e5 4.Nf3 Nbd7 5.Bc4 Be7 6.0-0 0-0 7.Qe2 c6 8.a4 exd4 *Philidor Defense: Lion Variation, Delayed Bishop Sacrifice: 1.e4 d6 2.d4 Nf6 3.Nc3 Nbd7 4.Nf3 e5 5.Bc4 Be7 6.dxe5 dxe5 7.Bxf7+ *Philidor Defense: 1.e4 e5 2.Nf3 d6 *Philidor Defense: 1.e4 e5 2.Nf3 d6 3.Bc4 *Philidor Defense: 1.e4 e5 2.Nf3 d6 3.Bc4 Be7 *Philidor Defense: Steinitz Variation: 1.e4 e5 2.Nf3 d6 3.Bc4 Be7 4.c3 *Philidor Defense: Lopez Countergambit: 1.e4 e5 2.Nf3 d6 3.Bc4 f5 *Philidor Defense: 1.e4 e5 2.Nf3 d6 3.d4 *Philidor Defense: Philidor Gambit: 1.e4 e5 2.Nf3 d6 3.d4 Bd7 *Philidor Defense: Albin-Blackburne Gambit: 1.e4 e5 2.Nf3 d6 3.d4 Bg4 4.dxe5 Nd7 *Philidor Defense: Exchange Variation: 1.e4 e5 2.Nf3 d6 3.d4 exd4 *Philidor Defense: Morphy Gambit: 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Bc4 *Philidor Defense: Bird Gambit: 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.c3 *Philidor Defense: Exchange Variation: 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 *Philidor Defense: Paulsen Attack: 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 d5 5.exd5 *Philidor Defense: Larsen Variation: 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 g6 *Philidor Defense: Exchange Variation: 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 Nf6 *Philidor Defense: Berger Variation: 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 Nf6 5.Nc3 Be7 6.Be2 0-0 7.0-0 c5 8.Nf3 Nc6 9.Bg5 Be6 10.Re1 *Philidor Defense: Boden Variation: 1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Qxd4 Bd7 *Philidor Defense: Philidor Countergambit: 1.e4 e5 2.Nf3 d6 3.d4 f5 *Philidor Defense: Lopez Countergambit, Jaenisch Variation: 1.e4 e5 2.Nf3 d6 3.d4 f5 4.Bc4 exd4 5.Ng5 Nh6 6.Nxh7 *Philidor Defense: Philidor Countergambit, del Rio Attack: 1.e4 e5 2.Nf3 d6 3.d4 f5 4.dxe5 fxe4 5.Ng5 d5 6.e6 *Philidor Defense: Philidor Countergambit, Berger Variation: 1.e4 e5 2.Nf3 d6 3.d4 f5 4.dxe5 fxe4 5.Ng5 d5 6.e6 Bc5 7.Nc3 *Philidor Defense: Philidor Countergambit, Zukertort Variation: 1.e4 e5 2.Nf3 d6 3.d4 f5 4.Nc3 *Philidor Defense: Hanham Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nd7 *Philidor Defense: Hanham Variation, Delmar Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.c3 *Philidor Defense: Hanham Variation, Schlechter Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Nc3 *Philidor Defense: Hanham, Kmoch Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Ng5 *Philidor Defense: Hanham Variation, Krause Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.0-0 *Philidor Defense: Hanham Variation, Steiner Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.0-0 Be7 6.dxe5 *Philidor Defense: Hanham Variation, Sharp Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 Nb6 *Philidor Defense: Lion Variation, Shirov Gambit: 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Nc3 Ngf6 5.g4 *Philidor Defense: Nimzowitsch Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 *Philidor Defense: Nimzowitsch Variation, Klein Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Bc4 *Philidor Defense: Nimzowitsch Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 *Philidor Defense: Nimzowitsch Variation, Sokolsky Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Nbd2 *Philidor Defense: Nimzowitsch Variation, Rellstab Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Qd5 *Philidor Defense: Lion Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 *Philidor Defense: Lion Variation, Bishop Sacrifice: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.Bxf7+ *Philidor Defense: Nimzowitsch, Larobok Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.Ng5 0-0 7.Bxf7+ *Philidor Defense: Lion Variation, Forcing Line: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.Ng5 0-0 7.Bxf7+ Rxf7 8.Ne6 *Philidor Defense: Lion Variation, Lion's Claw, with Bc4 and h6: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.0-0 h6 *Philidor Defense: Lion Variation, Lion's Claw, with Be2 and c6: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Be2 Be7 6.0-0 c6 *Philidor Defense: Nimzowitsch, Locock Variation: 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Ng5 *C42 [[Petrov's Defence]], including [[Marshall Trap]] *Petrov's Defense: 1.e4 e5 2.Nf3 Nf6 *Petrov's Defense: Italian Variation: 1.e4 e5 2.Nf3 Nf6 3.Bc4 *Petrov's Defense: Three Knights Game: 1.e4 e5 2.Nf3 Nf6 3.Nc3 *Petrov's Defense: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 *Petrov's Defense: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 *Petrov's Defense: Paulsen Attack: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nc4 *Petrov's Defense: Karklins-Martinovsky Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nd3 *Petrov's Defense: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 *Petrov's Defense: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 *Petrov's Defense: Millennium Attack: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Bd3 *Petrov's Defense: Kaufmann Attack: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.c4 *Petrov's Defense: French Attack: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d3 *Petrov's Defense: Classical Attack: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 *Petrov's Defense: Classical Attack, Marshall Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 *Petrov's Defense: Classical Attack, Tarrasch Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.0-0 0-0 8.c4 Bg4 *Petrov's Defense: Classical Attack, Marshall Trap: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.0-0 0-0 8.c4 Bg4 9.cxd5 f5 10.Re1 Bxh2+ *Petrov's Defense: Classical Attack, Staunton Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.0-0 0-0 8.c4 c6 *Petrov's Defense: Classical Attack, Marshall Variation, Chinese Gambit: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.0-0 0-0 8.c4 c6 9.Re1 Bg4 *Petrov's Defense: Classical Attack, Chigorin Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 Nc6 8.Re1 *Petrov's Defense: Classical Attack, Maróczy Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 Nc6 8.Re1 Bg4 9.c3 f5 10.c4 Bh4 *Petrov's Defense: Classical Attack, Berger Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 Nc6 8.Re1 Bg4 9.c3 f5 10.Nbd2 *Petrov's Defense: Classical Attack, Mason Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 0-0 *Petrov's Defense: Classical Attack, Mason-Showalter Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 *Petrov's Defense: Classical Attack, Jaenisch Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.0-0 Be7 8.c4 *Petrov's Defense: Classical Attack, Chigorin Variation, Main Line: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.0-0 Be7 8.c4 Nb4 9.Be2 *Petrov's Defense: Classical Attack, Chigorin Variation, Browne Attack: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.0-0 Be7 8.c4 Nb4 9.cxd5 *Petrov's Defense: Classical Attack, Krause Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.0-0 Be7 8.Re1 Bg4 9.c3 f5 10.c4 *Petrov's Defense: Classical Attack, Closed Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 Nf6 *Petrov's Defense: Nimzowitsch Attack: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3 *Petrov's Defense: Cozio Attack: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 *Petrov's Defense: Cochrane Gambit: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 *Petrov's Defense: Cochrane Gambit, Bishop Check Line: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.Bc4+ *Petrov's Defense: Cochrane Gambit, Center Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 *Petrov's Defense: Stafford Gambit: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 *Petrov's Defense: Stafford Gambit: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6 *Petrov's Defense: Damiano Variation: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4 *Petrov's Defense: Damiano Variation, Kholmov Gambit: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4 4.Qe2 Qe7 *Petrov's Defense: Moody Gambit: 1.e4 e5 2.Nf3 Nf6 3.Qe2 Nc6 4.d4 *C43 Petrov's Defence, Modern (Steinitz) Attack *Bishop's Opening: Urusov Gambit: 1.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.Nf3 *Bishop's Opening: Urusov Gambit, Keidansky Gambit: 1.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.Nf3 Nxe4 5.Qxd4 *Petrov's Defense: Modern Attack: 1.e4 e5 2.Nf3 Nf6 3.d4 *Petrov's Defense: Modern Attack, Symmetrical Variation: 1.e4 e5 2.Nf3 Nf6 3.d4 d5 *Petrov's Defense: Modern Attack: 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 *Petrov's Defense: Modern Attack, Tal Gambit: 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Bb5 *Petrov's Defense: Modern Attack, Steinitz Variation: 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qe2 *Petrov's Defense: Modern Attack, Bardeleben Variation: 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qe2 Nc5 6.Nxd4 Nc6 *Petrov's Defense: Modern Attack, Center Attack: 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qxd4 *Petrov's Defense: Modern Attack, Center Variation: 1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 *Petrov's Defense: Modern Attack, Trifunovic Variation: 1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.0-0 0-0 7.c4 Bxe5 *Petrov's Defense: Modern Attack, Murrey Variation: 1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 Nc6 *C44 King's Pawn Game (includes [[Ponziani Opening]], [[Inverted Hungarian Opening]], [[Irish Gambit]], [[Konstantinopolsky Opening]] and some [[Scotch Game]]) *King's Knight Opening: Normal Variation: 1.e4 e5 2.Nf3 Nc6 *King's Pawn Game: Pachman Wing Gambit: 1.e4 e5 2.Nf3 Nc6 3.b4 *Scotch Game: Benima Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.d4 exd4 *Scotch Game: Scotch Gambit, Dubois Réti Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 *Scotch Game: Scotch Gambit, Kingside Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.e5 Ng4 *King's Pawn Game: Tayler Opening: 1.e4 e5 2.Nf3 Nc6 3.Be2 *King's Pawn Game: Tayler Opening, Inverted Hanham: 1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d3 d5 5.Nbd2 *King's Pawn Game: Tayler Opening: 1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d4 *King's Pawn Game: Tayler Opening, Basman Gambit: 1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d4 exd4 5.e5 *Ponziani Opening: 1.e4 e5 2.Nf3 Nc6 3.c3 *Ponziani Opening: Romanishin Variation: 1.e4 e5 2.Nf3 Nc6 3.c3 Be7 *Ponziani Opening: Spanish Variation: 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Bb5 *Ponziani Opening: Spanish Variation, Harrwitz Attack, Nikitin Gambit: 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Bb5 dxe4 5.Nxe5 Qd5 6.Qa4 *Ponziani Opening: Caro Gambit: 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 Bd7 *Ponziani Opening: Steinitz Variation: 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 f6 *Ponziani Opening: Leonhardt Variation: 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 Nf6 *Ponziani Opening: Ponziani Countergambit: 1.e4 e5 2.Nf3 Nc6 3.c3 f5 *Ponziani Opening: Ponziani Countergambit, Schmidt Attack: 1.e4 e5 2.Nf3 Nc6 3.c3 f5 4.d4 d6 5.d5 *Ponziani Opening: Jaenisch Counterattack: 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 *Ponziani Opening: Neumann Gambit: 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.Bc4 *Ponziani Opening: Jaenisch Counterattack: 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d3 *Ponziani Opening: Jaenisch Counterattack: 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d3 d5 *Ponziani Opening: Jaenisch Counterattack: 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d3 d5 5.Nbd2 *Ponziani Opening: Vukovic Gambit: 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d4 Nxe4 5.d5 Bc5 *Ponziani Opening: Réti Variation: 1.e4 e5 2.Nf3 Nc6 3.c3 Nge7 *King's Pawn Game: Dresden Opening: 1.e4 e5 2.Nf3 Nc6 3.c4 *Dresden Opening: The Goblin: 1.e4 e5 2.Nf3 Nc6 3.c4 Nf6 4.Nxe5 *Latvian Gambit: Clam Gambit: 1.e4 e5 2.Nf3 Nc6 3.d3 f5 4.exf5 *Scotch Game: 1.e4 e5 2.Nf3 Nc6 3.d4 *Scotch Game: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 *Scotch Game: Relfsson Gambit: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bb5 *Scotch Game: Scotch Gambit: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 *Scotch Game: Scotch Gambit, London Defense: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ *Scotch Game: Cochrane Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.bxc3 Ba5 7.e5 *Scotch Game: Hanneken Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.0-0 cxb2 7.Bxb2 Nf6 8.Ng5 0-0 9.e5 Nxe5 *Scotch Game: Haxo Gambit: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 *Scotch Game: Scotch Gambit, Sarratt Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 *Scotch Game: Cochrane-Shumov Defense: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 Nh6 6.Nxf7 Nxf7 7.Bxf7+ Kxf7 8.Qh5+ g6 9.Qxc5 d5 *Scotch Game: Vitzthum Attack: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 Nh6 6.Qh5 *Scotch Game: Scotch Gambit, Cochrane-Anderssen Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.0-0 d6 6.c3 Bg4 *Scotch Game: Scotch Gambit, Advance Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5 *Scotch Game: Göring Gambit: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 *Scotch Game: Scotch Gambit, Göring Gambit Declined: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 d5 *Scotch Game: Göring Gambit, Double Pawn Sacrifice: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Bc4 *Scotch Game: Göring Gambit, Bardeleben Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Bc4 Nf6 6.Nxc3 Bb4 *Scotch Game: Göring Gambit, Main Line: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Nxc3 Bb4 *Scotch Game: Sea-Cadet Mate: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Nxc3 d6 6.Bc4 Bg4 7.0-0 Ne5 8.Nxe5 Bxd1 9.Bxf7+ Ke7 10.Nd5# *Scotch Game: Lolli Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4 *Scotch Game: Napoleon Gambit: 1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4 4.Nxd4 exd4 5.Bc4 *Scotch Game: Lolli Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4 4.Nxd4 exd4 5.Qxd4 *King's Knight Opening: Konstantinopolsky: 1.e4 e5 2.Nf3 Nc6 3.g3 *Irish Gambit: 1.e4 e5 2.Nf3 Nc6 3.Nxe5 *King's Pawn Game: Schulze-Müller Gambit: 1.e4 e5 2.Nf3 Nc6 3.Nxe5 Nxe5 4.d4 *C45 [[Scotch Game]] *Scotch Game: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 *Scotch Game: Malaniuk Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bb4+ *Scotch Game: Classical Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 *Scotch Game: Paulsen Attack: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bb5 *Scotch Game: Paulsen, Gunsberg Defense: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bb5 Nd8 *Scotch Game: Meitner Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Nc2 *Scotch Game: Classical Variation, Blackburne Attack: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Qd2 *Scotch Game: Gottschall Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Qd2 d5 8.Nb5 Bxe3 9.Qxe3 0-0 10.Nxc7 Rb8 11.Nxd5 Nxd5 12.exd5 Nb4 *Scotch Game: Classical Variation, Millennium Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Qg6 *Scotch Game: Blumenfeld Attack: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.Nb5 *Scotch Game: Potter Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 *Scotch Game: Romanishin Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb4+ *Scotch Game: Classical Variation, Intermezzo Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nxc6 Qf6 *Scotch Game: Schmidt Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 *Scotch Game: Alekhine Gambit: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.e5 *Scotch Game: Mieses Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.e5 *Scotch Game: Tartakower Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.Nd2 *Scotch Game: Ghulam-Kassim Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nxd4 5.Qxd4 d6 6.Bd3 *Scotch Game: Steinitz Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 *Scotch Game: Braune Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Be3 *Scotch Game: Horwitz Attack: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 *Scotch Game: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4+ 6.Bd2 *Scotch Game: Rosenthal Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4+ 6.Bd2 Qxe4+ 7.Be2 Kd8 8.0-0 Bxd2 9.Nxd2 Qg6 *Scotch Game: Horwitz Attack, Blackburne Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4+ 6.Bd2 Qxe4+ 7.Be2 Kd8 8.0-0 Bxd2 9.Qxd2 *Scotch Game: Steinitz Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nc3 *Scotch Game: Modern Defense: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nc3 Bb4 *Scotch Game: Fraser Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nf3 *Scotch Game: Paulsen Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nf5 *C46 [[Three Knights Game]] including [[Four Knights Game, Halloween Gambit|Halloween Gambit]] *Three Knights Opening: 1.e4 e5 2.Nf3 Nc6 3.Nc3 *Three Knights Opening: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Bb4 *Three Knights Opening: Schlechter Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Bb4 4.Nd5 Nf6 *Three Knights Opening: Winawer Defense: 1.e4 e5 2.Nf3 Nc6 3.Nc3 f5 *Three Knights Opening: Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Nc3 g6 *Three Knights Opening: Steinitz-Rosenthal Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 g6 4.d4 exd4 5.Nd5 *C47 [[Four Knights Game]] *Four Knights Game: Italian Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Nc3 *Four Knights Game: Italian Variation, Noa Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Nc3 Nxe4 5.Bxf7+ *Four Knights Game: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 *Four Knights Game: Gunsberg Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.a3 *Four Knights Game: Scotch Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 *Four Knights Game: Scotch Variation, Oxford Gambit: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.d5 Nd4 *Four Knights Game: Scotch Variation, Krause Gambit: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.Nxe5 *Four Knights Game: Scotch Variation, Krause Gambit, Leonhardt Defense: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.Nxe5 Qe7 *Four Knights Game: Scotch Variation Accepted: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 *Four Knights Game: Scotch Variation, Belgrade Gambit: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nd5 *Four Knights Game: Scotch Variation, Belgrade Gambit, Modern Defense: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nd5 Nxe4 6.Qe2 f5 *Four Knights Game: Scotch Variation, Schmid Defense: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Nxe4 *Four Knights Game: Halloween Gambit: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 *Four Knights Game: Halloween Gambit, Plasma Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 Nxe5 5.d4 Nc6 6.d5 Ne5 7.f4 Ng6 8.e5 Ng8 9.d6 cxd6 10.exd6 Qf6 11.Nb5 Rb8 *Four Knights Game: Halloween Gambit, Oldtimer Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 Nxe5 5.d4 Ng6 6.e5 Ng8 7.Bc4 Bb4 8.Qf3 f5 *C48 Four Knights Game, Spanish Variation *Four Knights Game: Spanish Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 *Four Knights Game: Spanish Variation, Ranken Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 a6 5.Bxc6 *Four Knights Game: Spanish Variation, Spielmann Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 a6 5.Bxc6 dxc6 6.Nxe5 Nxe4 7.Nxe4 Qd4 8.0-0 Qxe5 9.Re1 Be6 10.d4 Qd5 *Four Knights Game: Spanish Variation, Classical Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 *Four Knights Game: Spanish Variation, Bardeleben Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.0-0 0-0 6.Nxe5 Nxe5 7.d4 Bd6 8.f4 Nc6 9.e5 Bb4 *Four Knights Game: Spanish Variation, Rubinstein Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 *Four Knights Game: Spanish Variation, Rubinstein Variation, Marshall Gambit: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Ba4 Bc5 6.Nxe5 0-0 *Four Knights Game: Spanish Variation, Rubinstein Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Be2 *Four Knights Game: Spanish Variation, Rubinstein Variation, Maróczy Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Be2 Nxf3+ 6.Bxf3 Bc5 7.0-0 0-0 8.d3 d6 9.Na4 Bb6 *Four Knights Game: Spanish Variation, Rubinstein Variation Accepted: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxd4 *Four Knights Game: Spanish Variation, Rubinstein Variation, Marshall Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxe5 Bc5 6.0-0 0-0 *Four Knights Game: Spanish Variation, Rubinstein Variation: 1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Bb5 Nd4 5.Nxe5 Qe7 6.f4 *Four Knights Game: Spanish Variation, Rubinstein Variation, Henneberger Variation: 1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Bb5 Nd4 5.0-0 *C49 Four Knights Game, Double Ruy Lopez *Four Knights Game: Spanish Variation, Double Spanish: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 *Four Knights Game: Spanish Variation, Nimzowitsch Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.Bxc6 *Four Knights Game: Spanish Variation, Double Spanish: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 *Four Knights Game: Spanish Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 Bxc3 *Four Knights Game: Spanish Variation, Svenonius Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 Bxc3 7.bxc3 d5 *Four Knights Game: Spanish Variation, Janowski Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 Bxc3 7.bxc3 d6 8.Re1 *Four Knights Game: Spanish Variation, Symmetrical Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 d6 *Four Knights Game: Spanish Variation, Symmetrical Variation, Metger Unpin: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 d6 7.Bg5 Bxc3 8.bxc3 Qe7 *Four Knights Game: Spanish Variation, Symmetrical Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 d6 7.Bg5 Bxc3 8.bxc3 Qe7 9.Re1 Nd8 10.d4 Bg4 *Four Knights Game: Spanish Variation, Symmetrical Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 d6 7.Bg5 Ne7 *Four Knights Game: Spanish Variation, Symmetrical Variation, Blake Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 d6 7.Bg5 Ne7 8.Nh4 c6 9.Bc4 d5 10.Bb3 Qd6 *Four Knights Game: Spanish Variation, Symmetrical Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 d6 7.Ne2 *Four Knights Game: Spanish Variation, Alatortsev Variation: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.0-0 0-0 6.d3 Qe7 7.Ne2 d5 *Four Knights Game: Spanish Variation, Symmetrical Variation, Tarrasch Variation: 1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Bb5 Bb4 5.0-0 0-0 6.d3 d6 7.Bg5 Be6 *Four Knights Game: Spanish Variation, Gunsberg Counterattack: 1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Bb5 Bb4 5.0-0 0-0 6.Nd5 Nxd5 7.exd5 e4 *C50 [[Italian Game]] (includes [[Blackburne Shilling Gambit]], [[Hungarian Defence]], [[Semi-Italian Opening]], [[Italian Gambit]], [[Légal Trap]], [[Rousseau Gambit]], Koltanowski Gambit and [[Giuoco Piano|Giuoco Pianissimo]]) *Italian Game: 1.e4 e5 2.Nf3 Nc6 3.Bc4 *Italian Game: Giuoco Piano: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 *Italian Game: Jerome Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+ *Italian Game: Giuoco Pianissimo: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 *Italian Game: Giuoco Pianissimo, Lucchini Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 f5 *Italian Game: Giuoco Pianissimo, Dubois Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 f5 5.Ng5 f4 *Italian Game: Giuoco Pianissimo, Italian Four Knights Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.Nc3 *Italian Game: Giuoco Pianissimo, Canal Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d3 Nf6 5.Nc3 d6 6.Bg5 *Italian Game: Rosentreter Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.d4 *Four Knights Game: Italian Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Nc3 Nf6 *Italian Game: Classical Variation, Albin Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.c3 *Italian Game: Deutz Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.d4 *Italian Game: Hungarian Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 *Italian Game: Hungarian Defense, Tartakower Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.d4 exd4 5.c3 Nf6 6.e5 Ne4 *Italian Game: Paris Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 d6 *Italian Game: Rousseau Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 f5 *Italian Game: Anti-Fried Liver Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 h6 *Italian Game: Blackburne-Kostić Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nd4 *Italian Game: Giuoco Pianissimo, Normal: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Bc5 *Italian Game: Giuoco Pianissimo: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.0-0 Bc5 5.Nc3 d6 6.d3 *C51 [[Evans Gambit]] *Italian Game: Evans Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 *Italian Game: Evans Gambit, Fontaine Countergambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 b5 *Italian Game: Evans Gambit Declined: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 *Italian Game: Evans Gambit Declined: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.a4 *Italian Game: Evans Gambit Declined, Showalter Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.a4 a6 6.Nc3 *Italian Game: Evans Gambit Declined, Lange Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Nh6 *Italian Game: Evans Gambit Declined, Pavlov Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Nh6 7.d4 d6 8.Bxh6 dxe5 9.Bxg7 Rg8 10.Bxf7+ Kxf7 11.Bxe5 Qg5 12.Nd2 *Italian Game: Evans Gambit Declined, Hirschbach Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Qg5 *Italian Game: Evans Gambit Declined, Vasquez Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Qg5 7.Bxf7+ Ke7 8.Qh5 *Italian Game: Evans Gambit Declined, Hicken Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.b5 Na5 6.Nxe5 Qg5 7.Qf3 Qxe5 8.Qxf7+ Kd8 9.Bb2 *Italian Game: Evans Gambit Declined, Cordel Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bb6 5.Bb2 *Italian Game: Evans Gambit Accepted: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 *Italian Game: Evans Gambit, Morphy Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 *Italian Game: Evans Gambit, McDonnell Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 *Italian Game: Evans Gambit, Harding Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.cxd4 Bb4+ 8.Bd2 *Italian Game: Evans Gambit, McDonnell Defense, Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 *Italian Game: Evans Gambit, Ulvestad Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.d5 Na5 10.Bb2 *Italian Game: Evans Gambit, Paulsen Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.d5 Na5 10.Bb2 Ne7 *Italian Game: Evans Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Bg4 *Italian Game: Evans Gambit, Fraser Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4 *Italian Game: Evans Gambit, Fraser-Mortimer Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4 Bd7 11.Qb3 Na5 12.Bxf7+ Kf8 13.Qc2 *Italian Game: Evans Gambit, Mortimer-Evans Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Bg4 10.Qa4 Bd7 11.Qb3 Na5 12.Bxf7+ Kf8 13.Qc2 Kxf7 *Italian Game: Evans Gambit, Göring Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Na5 10.Bg5 *Italian Game: Evans Gambit, Steinitz Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4 exd4 7.0-0 d6 8.cxd4 Bb6 9.Nc3 Na5 10.Bg5 f6 11.Be3 *Italian Game: Evans Gambit, Stone-Ware Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bd6 *Italian Game: Evans Gambit, Anderssen Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7 *Italian Game: Evans Gambit, Anderssen Variation, Cordel Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7 6.d4 Na5 *Italian Game: Evans Gambit, Mayet Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bf8 *Italian Game: Evans Gambit, Hein Countergambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 d5 *C52 Evans Gambit with 4...Bxb4 5.c3 Ba5 *Italian Game: Evans Gambit, Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 *Italian Game: Evans Gambit, Leonhardt Countergambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 b5 *Italian Game: Evans Gambit, Bronstein Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 *Italian Game: Evans Gambit, Sokolsky Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Bg5 *Italian Game: Evans Gambit, Tartakower Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Qb3 *Italian Game: Evans Gambit, Levenfish Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 d6 7.Qb3 Qd7 8.dxe5 dxe5 9.0-0 Bb6 10.Ba3 Na5 11.Nxe5 *Italian Game: Evans Gambit, Pierce Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 *Italian Game: Evans Gambit, Johner Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.0-0 b5 *Italian Game: Evans Gambit, Dufresne Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.0-0 d3 *Italian Game: Evans Gambit, Waller Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.0-0 d6 8.Qb3 *Italian Game: Evans Gambit, Compromised Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.0-0 dxc3 *Italian Game: Evans Gambit, Compromised Defense, Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.0-0 dxc3 8.Qb3 Qf6 9.e5 Qg6 10.Nxc3 Nge7 11.Ba3 *Italian Game: Evans Gambit, Compromised Defense, Potter Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.0-0 dxc3 8.Qb3 Qf6 9.e5 Qg6 10.Nxc3 Nge7 11.Rd1 *Italian Game: Evans Gambit, Mieses Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.0-0 Nge7 *Italian Game: Evans Gambit, Laroche Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 Nf6 *Italian Game: Evans Gambit, Slow Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.0-0 *Italian Game: Evans Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.0-0 d6 *Italian Game: Evans Gambit, Lasker Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.0-0 d6 7.d4 Bb6 *Italian Game: Evans Gambit, Sanders-Alapin Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.0-0 d6 7.d4 Bd7 *Italian Game: Evans Gambit, Alapin-Steinitz Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.0-0 d6 7.d4 Bg4 *Italian Game: Evans Gambit, Anderssen Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.0-0 Nf6 7.d4 exd4 *Italian Game: Evans Gambit, Richardson Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.0-0 Nf6 7.d4 0-0 8.Nxe5 *C53 [[Giuoco Piano]] *Italian Game: Classical Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 *Italian Game: Classical Variation, La Bourdonnais Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 d6 5.d4 exd4 6.cxd4 Bb6 *Italian Game: Bird's Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.b4 *Italian Game: Classical Variation, Closed Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 *Italian Game: Classical Variation, Center Holding Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 *Italian Game: Classical Variation, Mestel Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 6.Bg5 *Italian Game: Classical Variation, Eisinger Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 6.d5 Nb8 7.d6 *Italian Game: Classical Variation, Tarrasch Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Qe7 5.d4 Bb6 6.0-0 d6 7.a4 a6 8.h3 Nf6 9.Re1 *C54 Giuoco Piano *Italian Game: Classical Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 *Italian Game: Classical Variation, Giuoco Pianissimo: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 *Italian Game: Classical Variation, Giuoco Pianissimo, with a6: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 a6 *Italian Game: Classical Variation, Giuoco Pianissimo, with d6: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 *Italian Game: Classical Variation, Giuoco Pianissimo, Albin Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.b4 *Italian Game: Classical Variation, Giuoco Pianissimo, with a6: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.Nbd2 a6 *Italian Game: Classical Variation, Giuoco Pianissimo: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.Nbd2 0-0 7.0-0 *Italian Game: Classical Variation, Giuoco Pianissimo: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.0-0 0-0 *Italian Game: Classical Variation, Giuoco Pianissimo, Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d3 d6 6.0-0 0-0 7.Re1 a6 8.Bb3 Ba7 9.h3 *Italian Game: Classical Variation, Center Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 *Italian Game: Classical Variation, Greco Gambit, Traditional Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 *Italian Game: Giuoco Piano, Krause Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Bd2 Nxe4 8.Bxb4 Nxb4 9.Bxf7+ Kxf7 10.Qb3+ d5 11.Ne5+ Kf6 12.f3 *Italian Game: Giuoco Piano, Cracow Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Kf1 *Italian Game: Giuoco Piano, Greco's Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 *Italian Game: Classical Variation, Greco Gambit, Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Bxc3 *Italian Game: Giuoco Piano, Steinitz Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Bxc3 9.bxc3 d5 10.Ba3 *Italian Game: Classical Variation, Greco Gambit, Moeller-Therkatz Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Bxc3 9.d5 *Italian Game: Giuoco Piano, Therkatz-Herzog Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Bxc3 9.d5 Bf6 10.Re1 Ne7 11.Rxe4 d6 12.Bg5 Bxg5 13.Nxg5 0-0 14.Nxh7 *Italian Game: Classical Variation, Greco Gambit, Moeller-Bayonet Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Bxc3 9.d5 Bf6 10.Re1 Ne7 11.Rxe4 d6 12.g4 *Italian Game: Classical Variation, Greco Gambit, Greco Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Nxc3 *Italian Game: Giuoco Piano, Aitken Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Nxc3 9.bxc3 Bxc3 10.Ba3 *Italian Game: Giuoco Piano, Bernstein Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Nc3 Nxe4 8.0-0 Nxc3 9.bxc3 Bxc3 10.Qb3 d5 *Italian Game: Classical Variation, Greco Gambit, Anderssen Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.e5 d5 7.Bb5 Ne4 8.cxd4 Bb4+ *Italian Game: Classical Variation, Ghulam-Kassim Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.e5 Ne4 7.Bd5 Nxf2 8.Kxf2 dxc3+ 9.Kg3 *Italian Game: Classical Variation, Giuoco Pianissimo, with a5: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.d3 a5 6.c3 *Italian Game: Classical Variation, Giuoco Pianissimo: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.d3 d6 6.c3 a6 *Italian Game: Classical Variation, Giuoco Pianissimo, with h6: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.d3 h6 *Italian Game: Classical Variation, Giuoco Pianissimo: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.d3 h6 6.c3 *Italian Game: Classical Variation, Giuoco Pianissimo, with h6: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.d3 h6 6.c3 d6 *Italian Game: Giuoco Piano, Holzhausen Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.0-0 Bc5 5.d4 Bxd4 6.Nxd4 Nxd4 7.Bg5 d6 8.f4 Qe7 9.fxe5 dxe5 10.Nc3 *Italian Game: Giuoco Piano, Rosentreter Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.0-0 Bc5 5.d4 Bxd4 6.Nxd4 Nxd4 7.Bg5 h6 8.Bh4 g5 9.f4 *Italian Game: Classical Variation, Greco Gambit: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.c3 Nf6 6.e5 d5 *C55 [[Two Knights Defence]] *Italian Game: Two Knights Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 *Italian Game: Two Knights Defense, Modern Bishop's Opening: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 *Italian Game: Two Knights Defense, Modern Bishop's Opening: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 *Italian Game: Two Knights Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.0-0 Bc5 5.d4 Bxd4 6.Nxd4 Nxd4 7.Bg5 d6 *C56 Two Knights Defence *Italian Game: Scotch Gambit, Walbrodt-Baird Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.0-0 *Italian Game: Scotch Gambit, Max Lange Attack Accepted: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.d4 exd4 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.fxg7 *Italian Game: Two Knights Defense, Open Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 *Italian Game: Scotch Invitation Declined: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 d6 *Italian Game: Scotch Gambit, Max Lange Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.e5 d5 6.Bb5 Ne4 *Italian Game: Two Knights Defense, Keidansky Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.e5 d5 6.Bb5 Ne4 7.Nxd4 Bc5 8.Nxc6 Bxf2+ 9.Kf1 Qh4 *Italian Game: Two Knights Defense, Perreux Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.Ng5 *Italian Game: Scotch Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.0-0 *Italian Game: Two Knights Defense, Max Lange Attack, Berger Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.0-0 Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.g4 Qg6 12.Nce4 Bb6 13.f4 0-0-0 *Italian Game: Two Knights Defense, Max Lange Attack, Rubinstein Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.0-0 Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.Nce4 Bf8 *Italian Game: Two Knights Defense, Max Lange Attack, Krause Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.0-0 Bc5 6.e5 Ng4 7.c3 *Italian Game: Scotch Gambit, Double Gambit Accepted: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.0-0 Nxe4 *Italian Game: Scotch Gambit, Nakhmanson Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.0-0 Nxe4 6.Nc3 *Italian Game: Scotch Gambit, Anderssen Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.0-0 Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.Nc3 *Italian Game: Scotch Gambit, Anderssen Attack, Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.0-0 Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.Nc3 Qa5 9.Nxe4 Be6 10.Bd2 Qd5 11.Bg5 *Italian Game: Two Knights Defense, Max Lange Attack, Loman Defense: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.0-0 Nf6 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 g6 *Italian Game: Scotch Gambit, Max Lange Attack: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.0-0 Bc5 *Italian Game: Two Knights Defense, Max Lange Attack: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.0-0 Bc5 6.e5 *Italian Game: Scotch Gambit, Max Lange Attack, Long Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.0-0 Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.Nce4 *Italian Game: Scotch Gambit, Max Lange Attack, Spielmann Defense: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.0-0 Bc5 6.e5 Ng4 *Italian Game: Scotch Gambit, de Riviere Defense: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.0-0 Be7 *Italian Game: Scotch Gambit, Janowski Defense: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.0-0 d6 *Italian Game: Two Knights Defense, Yurdansky Attack: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.0-0 Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.Nc3 Qa5 9.Nxe4 Be6 10.Bg5 h6 11.Bh4 g5 12.Nf6+ Ke7 13.b4 *Italian Game: Scotch Gambit, Canal Variation: 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.0-0 Nxe4 6.Re1 d5 7.Nc3 *C57 Two Knights Defence, including the [[Fried Liver Attack]] *Italian Game: Two Knights Defense, Knight Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 *Italian Game: Two Knights Defense, Traxler Counterattack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5 *Italian Game: Two Knights Defense, Traxler Counterattack, Bishop Sacrifice Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5 5.Bxf7+ *Italian Game: Two Knights Defense, Traxler Variation, Trencianske-Teplice Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5 5.Bxf7+ Ke7 6.d4 *Italian Game: Two Knights Defense, Traxler Counterattack, Knight Sacrifice Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5 5.Nxf7 *Italian Game: Two Knights Defense, Traxler Counterattack, King March Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5 5.Nxf7 Bxf2+ 6.Kxf2 Nxe4+ 7.Ke3 *Italian Game: Two Knights Defense, Knight Attack, Normal Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 *Italian Game: Two Knights Defense, Ulvestad Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5 *Italian Game: Two Knights Defense, Ulvestad Variation, Kurkin Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5 6.Bf1 h6 7.Nxf7 *Italian Game: Two Knights Defense, Kloss Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nb4 *Italian Game: Two Knights Defense, Fritz Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nd4 *Italian Game: Two Knights Defense, Fritz, Gruber Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nd4 6.c3 b5 7.Bf1 Nxd5 8.Ne4 *Italian Game: Two Knights Defense, Lolli Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.d4 *Italian Game: Two Knights Defense, Pincus Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.d4 Bb4+ *Italian Game: Two Knights Defense, Fried Liver Attack: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7 *Italian Game: Two Knights Defense, Fegatello Attack, Leonhardt Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7 Kxf7 7.Qf3+ Ke6 8.Nc3 Nb4 9.Qe4 c6 10.a3 Na6 11.d4 Nc7 *Italian Game: Two Knights Defense, Ponziani-Steinitz Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Nxe4 *C58 Two Knights Defence *Italian Game: Two Knights Defense, Polerio Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 *Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ *Italian Game: Two Knights Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2 *Italian Game: Two Knights Defense, Polerio Defense, Bogoljubow Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 *Italian Game: Two Knights Defense, Blackburne Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 cxb5 *Italian Game: Two Knights Defense, Paoli Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 Qc7 9.Bd3 *Italian Game: Two Knights Defense, Colman Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 Rb8 *Italian Game: Two Knights Defense, Polerio Defense, Kieseritzky Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.d3 *Italian Game: Two Knights Defense, Polerio Defense, Yankovich Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.d3 h6 7.Nf3 e4 8.Qe2 Nxc4 9.dxc4 Bc5 10.Nfd2 *Italian Game: Two Knights Defense, Maróczy Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.d3 h6 7.Nf3 e4 8.Qe2 Nxc4 9.dxc4 Be7 *C59 Two Knights Defence *Italian Game: Two Knights Defense, Polerio Defense, Suhle Defense: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2 h6 *Italian Game: Two Knights Defense, Knorre Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2 h6 9.Nf3 e4 10.Ne5 Bd6 11.d4 Qc7 12.Bd2 *Italian Game: Two Knights Defense, Polerio Defense, Göring Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2 h6 9.Nf3 e4 10.Ne5 Qc7 *Italian Game: Two Knights Defense, Steinitz Variation: 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2 h6 9.Nh3 *C60 [[Ruy Lopez]] Unusual Black 3rd moves and 3...g6 *Ruy Lopez: 1.e4 e5 2.Nf3 Nc6 3.Bb5 *Ruy Lopez: Bulgarian Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a5 *Ruy Lopez: Rotary-Albany Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 b6 *Ruy Lopez: Alapin Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bb4 *Ruy Lopez: Alapin Defense, Alapin Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bb4 4.c3 Ba5 5.Bxc6 dxc6 *Ruy Lopez: Lucena Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Be7 *Ruy Lopez: Spanish Countergambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 d5 *Ruy Lopez: Spanish Countergambit, Harding Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 d5 4.Nxe5 Qg5 5.Nxc6 *Ruy Lopez: Spanish Countergambit, Harding Countergambit, Fricke Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 d5 4.Nxe5 Qg5 5.0-0 *Ruy Lopez: Nürnberg Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f6 *Ruy Lopez: Brentano Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 g5 *Ruy Lopez: Fianchetto Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 *Ruy Lopez: Fianchetto Defense, Kevitz Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.c3 f5 *Ruy Lopez: Cozio Defense, Tartakower Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.d4 exd4 5.Nxd4 Bg7 6.Be3 Nge7 7.Nc3 0-0 8.Qd2 d5 *Ruy Lopez: Pollock Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Na5 *Ruy Lopez: Retreat Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nb8 *Ruy Lopez: Cozio Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 *Ruy Lopez: Cozio Defense, Paulsen Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.Nc3 g6 *Ruy Lopez: Vinogradov Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Qe7 *C61 [[Ruy Lopez, Bird's Defence]] *Ruy Lopez: Bird Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 *Ruy Lopez: Bird Variation, Paulsen Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.0-0 Ne7 *C62 [[Ruy Lopez, Old Steinitz Defence]] *Ruy Lopez: Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 *Ruy Lopez: Old Steinitz Defense, Semi-Duras Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 Bd7 5.c4 *Ruy Lopez: Steinitz Defense, Nimzowitsch Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 Bd7 5.Nc3 Nf6 6.Bxc6 *Ruy Lopez: Steinitz Defense, Center Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 exd4 5.0-0 *C63 [[Ruy Lopez, Schliemann Defence]] *Ruy Lopez: Schliemann Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 *Ruy Lopez: Schliemann Defense, Exchange Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Bxc6 *Ruy Lopez: Schliemann Defense, Schönemann Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.d4 *Ruy Lopez: Schliemann Defense, Jaenisch Gambit Accepted: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.exf5 *Ruy Lopez: Schliemann Defense, Dyckhoff Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 *Ruy Lopez: Schliemann Defense, Kostić Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 Be7 *Ruy Lopez: Schliemann Defense, Möhring Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qd5 *Ruy Lopez: Schliemann Defense, Classical Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qg5 *Ruy Lopez: Schliemann Defense, Tartakower Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 Nf6 *C64 [[Ruy Lopez, Classical (Cordel) Defence]] *Ruy Lopez: Classical Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 *Ruy Lopez: Classical Variation, Spanish Wing Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.b4 *Ruy Lopez: Classical Variation, Central Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 *Ruy Lopez: Classical Variation, Charousek Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Bb6 *Ruy Lopez: Classical Variation, Konikowski Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 d5 *Ruy Lopez: Classical Variation, Cordel Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 f5 *Ruy Lopez: Classical Defense, Boden Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Qe7 *Ruy Lopez: Classical Defense, Zaitsev Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.0-0 Nd4 5.b4 *Ruy Lopez: Classical Defense, Benelux Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Bc5 5.c3 0-0 6.d4 Bb6 *Ruy Lopez: Classical Variation, Modern Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Bc5 5.c3 0-0 6.d4 Bb6 7.Bg5 *C65 [[Ruy Lopez, Berlin Defence]] including [[Mortimer Trap]] *Ruy Lopez: Berlin Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 *Ruy Lopez: Berlin Defense, Kaufmann Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Bc5 5.Be3 *Ruy Lopez: Berlin Defense, Anderssen Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.Bxc6+ *Ruy Lopez: Berlin Defense, Duras Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.c4 *Ruy Lopez: Berlin Defense, Mortimer Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Ne7 *Ruy Lopez: Berlin Defense, Mortimer Trap: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 Ne7 5.Nxe5 c6 *Ruy Lopez: Berlin Defense, Nyholm Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d4 exd4 5.0-0 *Ruy Lopez: Halloween Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.Nxe5 *Ruy Lopez: Berlin Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 *Ruy Lopez: Berlin Defense, Beverwijk Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Bc5 *Ruy Lopez: Classical Variation, Zukertort Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Bc5 5.c3 *Ruy Lopez: Berlin Defense, Fishing Pole Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Ng4 *C66 Ruy Lopez, Berlin Defence, 4.0-0 d6 *Ruy Lopez: Berlin Defense, Tarrasch Trap: 1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 Bd7 5.Nc3 Nf6 6.0-0 Be7 7.Re1 0-0 *Ruy Lopez: Berlin Defense, Improved Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 d6 *Ruy Lopez: Berlin Defense, Hedgehog Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 d6 5.d4 Bd7 6.Nc3 Be7 *Ruy Lopez: Berlin Defense, Closed Bernstein Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 d6 5.d4 Bd7 6.Nc3 Be7 7.Bg5 *Ruy Lopez: Berlin Defense, Closed Showalter Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 d6 5.d4 Bd7 6.Nc3 Be7 7.Bxc6 *Ruy Lopez: Berlin Defense, Closed Wolf Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 d6 5.d4 Bd7 6.Nc3 exd4 *Ruy Lopez: Closed Berlin Defense, Chigorin Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 d6 5.d4 Nd7 *C67 Ruy Lopez, Berlin Defence, Open Variation *Ruy Lopez: Berlin Defense, Rio Gambit Accepted: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 *Ruy Lopez: Berlin Defense, Rosenthal Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 a6 *Ruy Lopez: Berlin Defense, Rio de Janeiro Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Be7 *Ruy Lopez: Berlin Defense, Minckwitz Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Be7 6.dxe5 *Ruy Lopez: Berlin Defense, Trifunovic Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Be7 6.Qe2 d5 *Ruy Lopez: Berlin Defense, Pillsbury Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.b3 *Ruy Lopez: Berlin Defense, Zukertort Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.c4 *Ruy Lopez: Berlin Defense, Rio de Janeiro Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.Nc3 0-0 10.Re1 Nc5 11.Nd4 Ne6 12.Be3 Nxd4 13.Bxd4 c5 *Ruy Lopez: Berlin Defense, Winawer Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.Nd4 *Ruy Lopez: Berlin Defense, Cordel Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nf5 *Ruy Lopez: Berlin Defense, l'Hermet Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Nd6 *Ruy Lopez: Open Berlin Defense, Showalter Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Nd6 6.Ba4 *Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Ne4 *Ruy Lopez: Berlin Defense, l'Hermet Variation, Berlin Wall Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8 *Ruy Lopez: Berlin Defense, Berlin Wall: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ Kxd8 9.Nc3 Bd7 *Ruy Lopez: Open Berlin Defense, l'Hermet Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.0-0 Nxe4 5.d4 Nd6 6.dxe5 *C68 [[Ruy Lopez, Exchange Variation]] *Ruy Lopez: Exchange Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 *Ruy Lopez: Exchange Variation, Lutikov Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 bxc6 *Ruy Lopez: Exchange Variation, Alekhine Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.d4 exd4 6.Qxd4 Qxd4 7.Nxd4 Bd6 *Ruy Lopez: Exchange, Alekhine Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.d4 exd4 6.Qxd4 Qxd4 7.Nxd4 Bd7 *Ruy Lopez: Exchange Variation, Keres Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3 *Ruy Lopez: Exchange Variation, Romanovsky Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3 f6 6.d3 *C69 Ruy Lopez, Exchange Variation, 5.0-0 *Ruy Lopez: Exchange Variation, Normal Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.0-0 *Ruy Lopez: Exchange Variation, King's Bishop Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.0-0 Bd6 *Ruy Lopez: Exchange Variation, Alapin Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.0-0 Bg4 6.h3 h5 *Ruy Lopez: Exchange Variation, Gligoric Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.0-0 f6 *Ruy Lopez: Exchange Variation, Bronstein Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.0-0 Qd6 *C70 [[Ruy Lopez]], 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 *Ruy Lopez: Morphy Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 *Ruy Lopez: Morphy Defense, Caro Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 *Ruy Lopez: Morphy Defense, Graz Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Bc5 *Ruy Lopez: Morphy Defense, Norwegian Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Na5 *Ruy Lopez: Morphy Defense, Norwegian Variation, Nightingale Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Na5 6.Bxf7+ *Ruy Lopez: Morphy Defense, Alapin's Defense Deferred: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Bb4 *Ruy Lopez: Morphy Defense, Classical Defense Deferred: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Bc5 *Ruy Lopez: Morphy Defense, Schliemann Defense Deferred: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 f5 *Ruy Lopez: Morphy Defense, Schliemann Defense Deferred, Jaenisch Gambit Deferred: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 f5 5.exf5 *Ruy Lopez: Morphy Defense, Fianchetto Defense Deferred: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 g6 *Ruy Lopez: Bird's Defense Deferred: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nd4 *Ruy Lopez: Morphy Defense, Cozio Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nge7 *C71 [[Ruy Lopez#Modern Steinitz Defence|Ruy Lopez, Modern Steinitz Defence]] including [[Noah's Ark Trap]] *Ruy Lopez: Noah's Ark Trap: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 d6 6.d4 Nxd4 7.Nxd4 exd4 8.Qxd4 c5 *Ruy Lopez: Morphy Defense, Modern Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 *Ruy Lopez: Morphy Defense, Modern Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c4 *Ruy Lopez: Morphy Defense, Modern Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Nc3 *C72 Ruy Lopez, Modern Steinitz Defence 5.0-0 *Ruy Lopez: Morphy Defense, Modern Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.0-0 *Ruy Lopez: Closed, Kecskemet Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.0-0 Bd7 6.c3 Nf6 7.d4 Be7 8.Nbd2 0-0 9.Re1 Be8 *C73 Ruy Lopez, Modern Steinitz Defence, Richter Variation *Ruy Lopez: Morphy Defense, Modern Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 *Ruy Lopez: Morphy Defense, Modern Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 f6 *C74 Ruy Lopez, Modern Steinitz Defence *Ruy Lopez: Morphy Defense, Modern Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 *Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Siesta Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 f5 *Ruy Lopez: Morphy Defense, Modern Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 f5 6.exf5 Bxf5 7.0-0 *C75 Ruy Lopez, Modern Steinitz Defence *Ruy Lopez: Morphy Defense, Modern Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 *Ruy Lopez: Morphy Defense, Modern Steinitz Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 Bd7 6.d4 Nge7 *C76 Ruy Lopez, Modern Steinitz Defence, Fianchetto (Bronstein) Variation *Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 g6 4.c3 a6 5.Ba4 d6 6.d4 Bd7 *C77 [[Ruy Lopez, Morphy Defence]] *Ruy Lopez: Morphy Defense, Bayreuth Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Bxc6 *Ruy Lopez: Morphy Defense, Jaffe Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.c3 *Ruy Lopez: Morphy Defense, Anderssen Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 *Ruy Lopez: Morphy Defense, Duras Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 d6 6.c4 *Ruy Lopez: Morphy Defense, Mackenzie Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4 *Ruy Lopez: Morphy Defense, Tarrasch Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Nc3 *Ruy Lopez: Morphy Defense, Wormald Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 *Ruy Lopez: Wormald Attack, Grünfeld Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 b5 6.Bb3 Be7 7.d4 d6 8.c3 Bg4 *C78 [[Ruy Lopez|Ruy Lopez, 5.0-0]] *Ruy Lopez: Morphy Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 *Ruy Lopez: Morphy Defense, Arkhangelsk Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 b5 6.Bb3 Bb7 *Ruy Lopez: Morphy Defense, Wing Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 b5 6.Bb3 Be7 7.a4 *Ruy Lopez: Morphy Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 b5 6.Bb3 d6 *Ruy Lopez: Rabinovich Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 b5 6.Bb3 d6 7.Ng5 d5 8.exd5 Nd4 9.Re1 Bc5 10.Rxe5+ Kf8 *Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Bc5 *Ruy Lopez: Central Countergambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 d5 *Ruy Lopez: Brix Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 g6 *C79 [[Ruy Lopez, Steinitz Defence Deferred (Russian Defence)]] *Ruy Lopez: Morphy Defense, Steinitz Deferred: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 d6 *Ruy Lopez: Steinitz Defense Deferred, Lipnitsky Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 d6 6.Bxc6+ bxc6 7.d4 Bg4 *Ruy Lopez: Morphy Defense, Steinitz Deferred: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 d6 6.Bxc6+ bxc6 7.d4 Nxe4 *Ruy Lopez: Steinitz Defense Deferred, Boleslavsky Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 d6 6.Bxc6+ bxc6 7.d4 Nxe4 8.Re1 f5 9.dxe5 d5 10.Nc3 *C80 [[Ruy Lopez, Open (Tarrasch) Defence]] *Ruy Lopez: Open: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 *Ruy Lopez: Open: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 *Ruy Lopez: Open: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 *Ruy Lopez: Open, Schlechter Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.a4 Nxd4 *Ruy Lopez: Open, Berger Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.a4 Nxd4 9.Nxd4 exd4 10.Nc3 *Ruy Lopez: Open, Harksen Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.c4 *Ruy Lopez: Open: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 *Ruy Lopez: Open, Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 *Ruy Lopez: Open, Bernstein Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Nbd2 *Ruy Lopez: Open, Bernstein Variation, Luther Line: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Nbd2 Bc5 10.Qe1 *Ruy Lopez: Open, Karpov Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Nbd2 Nc5 10.c3 d4 11.Ng5 *Ruy Lopez: Open, Zukertort Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Ne7 *Ruy Lopez: Open, Richter Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.d5 *Ruy Lopez: Open, Friess Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Nxe5 *Ruy Lopez: Open, Riga Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 exd4 *Ruy Lopez: Open, Knorre Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.Nc3 *Ruy Lopez: Morphy Defense, Tartakower Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.Qe2 *Ruy Lopez: Open, Skipworth Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.Re1 d5 *C81 [[Ruy Lopez, Open, Howell Attack]] *Ruy Lopez: Open, Howell Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 *Ruy Lopez: Open, Howell Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 Be7 10.c4 *Ruy Lopez: Open, Howell Attack, Ekstrom Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 Be7 10.Rd1 0-0 11.c4 bxc4 12.Bxc4 Qd7 *C82 Ruy Lopez, Open, 9.c3 *Ruy Lopez: Open: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 *Ruy Lopez: Open, Italian Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 *Ruy Lopez: Open, St. Petersburg Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 10.Nbd2 *Ruy Lopez: Open, Dilworth Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 10.Nbd2 0-0 11.Bc2 Nxf2 *Ruy Lopez: Open, Motzko Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 10.Qd3 *Ruy Lopez: Open, Motzko Attack, Nenarokov Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 10.Qd3 Ne7 *Ruy Lopez: Open, Berlin Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Nc5 *C83 [[Ruy Lopez, Open, Classical Defence]] *Ruy Lopez: Open, Classical Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7 *Ruy Lopez: Open, Malkin Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7 10.Nbd2 0-0 11.Qe2 *Ruy Lopez: Open, Breslau Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7 10.Re1 0-0 11.Nd4 Nxe5 *Ruy Lopez: Open, Tarrasch Trap: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7 10.Re1 0-0 11.Nd4 Qd7 12.Nxe6 fxe6 13.Rxe4 *Ruy Lopez: Open, Classical Defense, Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 Be7 7.Re1 b5 8.Bb3 d5 9.dxe5 Be6 10.c3 *C84 [[Ruy Lopez, Closed Defence]] *Ruy Lopez: Closed: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 *Ruy Lopez: Closed, Martinez Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.d3 *Ruy Lopez: Closed, Center Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.d4 *Ruy Lopez: Closed, Basque Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.d4 exd4 7.e5 Ne4 8.c3 *Ruy Lopez: Closed, Center Attack, Basque Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.d4 exd4 7.e5 Ne4 8.c3 dxc3 *Ruy Lopez: Closed, Morphy Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Nc3 *C85 [[Ruy Lopez, Exchange Variation Doubly Deferred (DERLD)]] *Ruy Lopez: Closed, Delayed Exchange: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Bxc6 *C86 [[Ruy Lopez, Worrall Attack]] *Ruy Lopez: Closed, Worrall Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Qe2 *Ruy Lopez: Closed, Worrall Attack, Delayed Castling Line: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Qe2 b5 7.Bb3 d6 *Ruy Lopez: Closed, Worrall Attack, Castling Line: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Qe2 b5 7.Bb3 0-0 *C87 Ruy Lopez, Closed, [[Yuri Averbakh|Averbakh]] Variation *Ruy Lopez: Closed, Averbakh Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 d6 *C88 Ruy Lopez, Closed *Ruy Lopez: Closed: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 *Ruy Lopez: Closed, Trajkovic Counterattack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 Bb7 *Ruy Lopez: Closed, Balla Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.a4 *Ruy Lopez: Closed, Leonhardt Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.h3 Nc6 12.d5 Nb8 13.Nbd2 g5 *Ruy Lopez: Closed, Alekhine Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.Nbd2 0-0 12.Nf1 Bg4 13.Ne3 Bxf3 14.Qxf3 *Ruy Lopez: Closed, Rosen Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.d4 *Ruy Lopez: Noah's Ark Trap: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.d4 Nxd4 9.Nxd4 exd4 10.Qxd4 c5 *Ruy Lopez: Closed: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 *Ruy Lopez: Closed, Anti-Marshall: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.a4 *C89 [[Ruy Lopez, Marshall Counterattack]] *Ruy Lopez: Marshall Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5 *Ruy Lopez: Marshall Attack, Steiner Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5 9.exd5 e4 *Ruy Lopez: Marshall Attack, Modern Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 *Ruy Lopez: Marshall Attack, Re3 Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.Bxd5 cxd5 13.d4 Bd6 14.Re3 *Ruy Lopez: Marshall Attack, Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 *Ruy Lopez: Marshall Attack, Modern Main Line: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3 *Ruy Lopez: Marshall Attack, Main Line, Spassky Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3 15.Be3 Bg4 16.Qd3 Rae8 17.Nd2 Re6 18.a4 Qh5 *Ruy Lopez: Marshall Attack, Original Marshall Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 Nf6 *C90 Ruy Lopez, Closed, 7...d6 *Ruy Lopez: Closed: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 *Ruy Lopez: Closed, Suetin Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.a3 *Ruy Lopez: Closed, Lutikov Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.Bc2 *Ruy Lopez: Closed, Pilnik Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.d3 d6 9.c3 *C91 Ruy Lopez, Closed, 9.d4 *Ruy Lopez: Closed, Yates Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.d4 *Ruy Lopez: Closed, Bogoljubow Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.d4 Bg4 *Ruy Lopez: Closed, Yates Variation, Short Attack: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.d4 Bg4 10.a4 *C92 [[Ruy Lopez, Closed, 9.h3]] *Ruy Lopez: Closed: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 *Ruy Lopez: Closed, Flohr System: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Bb7 *Ruy Lopez: Closed, Smyslov-Breyer-Zaitsev Hybrid: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Bb7 10.d4 Re8 11.Nbd2 Bf8 12.a3 h6 *Ruy Lopez: Closed, Kholmov Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Be6 *Ruy Lopez: Closed, Karpov Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Nd7 *Ruy Lopez: Closed, Zaitsev System: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Re8 *C93 [[Ruy Lopez, Closed, Smyslov Defence]] *Ruy Lopez: Closed, Smyslov Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 h6 *C94 [[Ruy Lopez#Breyer Variation: 9.h3 Nb8|Ruy Lopez, Closed, Breyer Defence, 10.d3]] *Ruy Lopez: Closed, Breyer Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Nb8 *Ruy Lopez: Closed, Breyer Defense, Quiet Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Nb8 10.d3 *C95 [[Ruy Lopez#Breyer Variation: 9.h3 Nb8|Ruy Lopez, Closed, Breyer Defence, 10.d4]] *Ruy Lopez: Closed, Breyer: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Nb8 10.d4 *Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Nb8 10.d4 Nbd7 *Ruy Lopez: Closed, Breyer Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 c5 *Ruy Lopez: Closed, Breyer Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Nb8 10.d4 Nbd7 11.Nh4 *C96 Ruy Lopez, Closed, 8...Na5 *Ruy Lopez: Closed, Chigorin Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 *Ruy Lopez: Closed, Chigorin Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 *Ruy Lopez: Closed, Borisenko Variation: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Nc6 *Ruy Lopez: Closed, Keres Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Nd7 *Ruy Lopez: Closed, Rossolimo Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c6 11.d4 Qc7 *Ruy Lopez: Closed, Chigorin Defense, Gajewski Gambit: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 d5 *C97 [[Ruy Lopez, Closed, Chigorin Defence]] *Ruy Lopez: Closed, Chigorin Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 *Ruy Lopez: Closed, Chigorin Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 *Ruy Lopez: Closed, Chigorin, Yugoslav System: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Bd7 13.Nf1 Rfe8 14.Ne3 g6 *C98 Ruy Lopez, Closed, Chigorin, 12...Nc6 *Ruy Lopez: Closed, Chigorin Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 *Ruy Lopez: Closed, Chigorin Defense: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 13.dxc5 *C99 Ruy Lopez, Closed, Chigorin, 12...cxd4 *Ruy Lopez: Closed, Chigorin Defense, Panov System: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4
Summary:
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