Editing List of chess variants (section)

=== Variant player count ===
[[File:Bughouse game.jpg|right|thumb|275px|'''[[Bughouse chess]]''', the game in progress]]
* '''[[Bosworth (game)|Bosworth]]''': A four-player variant played on 6×6 board. It uses a special card system with the pieces for spawning.
* '''[[Bughouse chess]]''' (or '''Exchange chess''', '''Siamese chess''', '''Swap chess''', '''Tandem chess''', '''Transfer Chess'''): Two teams of two players face each other on two boards. Allies use opposite colours and give captured pieces to their partner. The two-player version of the game, played with only one board, is [[Crazyhouse]].
* '''[[Business chess]]''' [multivariant]: Played with two teams using normal chess playing rules but allowing up to five variations of the game. The team may discuss and play alternative moves freely.
* '''[[Djambi]]''': Can be played by four players on a 9×9 board and four sets of special pieces. Pieces can capture or move those of an adversary. Captured pieces are not removed from the board, but turned upside down. There are variants for three or five players (''Pentachiavel''). (1975)
* '''[[Duchess (chess variant)|Duchess]]''': Notable for its wide variety of player counts; supports 2, 3, 4, or 6 players in a free-for-all, as well as 2v2, 2v2v2, or 3v3 team play. The board consists of one 4×5 "petal" for each player. These surround a core hexagonal board, which itself has two rings of squares around a central hexagonal "vortex" space. Three Fairy Chess pieces are used, the titular [[Princess (chess)|Duchess]] (princess), the [[Empress (chess)|Fortress]] (empress), and the Wizard, capable of teleporting friendly pieces.
* '''[[Enochian chess]]''': A four-player variant with magical symbolism, associated with the [[Hermetic Order of the Golden Dawn]].
* '''[[Forchess]]''': A four-player variant using the standard board and two sets of standard pieces.
* '''[[Fortress chess]]''': A four-player variant played in Russia in 18th and 19th centuries.
* '''[[Four Fronts]]''': A four-player variant created in 2012 by a Uruguayan professor named Gabriel Baldi Lemonnier.<ref>{{cite web|url= http://www.elobservador.com.uy/noticia/255616/se-necesitan-cuatro-para-jugar-ajedrez/|author=Luis Roux |title= Se necesitan cuatro para jugar ajedrez|work= El Observador|date= 20 July 2013|accessdate= 20 July 2013|trans-title=It takes four to play chess|language= es|location= Uruguay |archive-url= https://web.archive.org/web/20130726232119/http://www.elobservador.com.uy/noticia/255616/se-necesitan-cuatro-para-jugar-ajedrez/|archive-date= 26 July 2013|url-status= dead}}</ref>
* '''[[Four-player chess]]''' (or  '''Four-handed''', '''4-Player'''): Can be played by four people and uses a special board and two sets of differently coloured pieces. Two modes includes: Teams or Free For All. 
* '''[[Hand and brain]]''': Teams of two play against each other; in each team, one player is the "brain" and calls out a piece type, while the "hand" player chooses which piece of that type to move and where to move it.
* '''[[Quatrochess]]''': A four-player variant, in addition to the standard chess army, each side controls a chancellor, archbishop, mann, wazir, fers, two camels, and two giraffes. By George Dekle Sr.
* '''[[Three-Man Chess]]''': Three chessboard halves fused into one, first to checkmate wins. By George Dekle Sr.
* '''[[Tri-Chess]]''': For three players; 150 triangular cells; [[Empress (chess)|chancellor]] (empress) and [[Princess (chess)|cardinal]] (princess) replacing queen. By George Dekle Sr.