Editing Adolf Anderssen (section)

===London 1862===
Anderssen won the [[London 1862 chess tournament]], the first international [[round-robin tournament]] (in which each participant plays a game against each of the others) with a score of twelve wins out of thirteen games. He lost only one game, to the Rev. [[John Owen (chess player)|John Owen]],<ref name="chessmetricsProfileJohnOwen">A very strong player who had a long career; 1862 was his most successful year: {{cite web | url=http://chessmetrics.com/cm/CM2/PlayerProfile.asp?Params=199510SSSSS3S003629000000111000000000001310100 | title=Chessmetrics Player Profile: John Owen  | access-date=17 June 2008 }}</ref> and finished two&nbsp;points ahead of [[Louis Paulsen]], who had the best playing record in the early 1860s.<ref name="WeeksLondon1862" /><ref name="chessmetricsProfileLouisPaulsen">{{cite web | url=http://chessmetrics.com/cm/CM2/PlayerProfile.asp?Params=199510SSSSS3S098485000000111000000000023610100 | title=Chessmetrics Player Profile: Louis Paulsen  | access-date=17 June 2008 }}</ref> Morphy had retired from chess at this time, so Anderssen was again generally regarded as the world's leading active player.<ref name="Draper1963DoesAgeAffectMasterChess">{{cite journal 
| title=Does Age Affect Master Chess? | author=Draper, N.R. 
| journal=Journal of the Royal Statistical Society, Series A 
| volume=126 | issue=1 | year=1963| pages=120–127 
| jstor=2982450 
| doi=10.2307/2982450 
}}</ref>

Shortly after the tournament, he played a match against tournament runner-up Paulsen, ending in a draw (3 wins, 3 losses, 2 draws).<ref>[http://www.mark-weeks.com/chess/w2ap$mix.htm World Chess Championship : 1862 Anderssen vs. Paulsen]</ref> In 1864, he drew another match (3 wins, 3 losses, and 2 draws) against [[Berthold Suhle]],<ref name="storiascacchiMatches1850To1864" /> who was a strong player and respected chess writer.<ref>In collaboration with [[Gustav Neumann]], see the "Lehrbücher" ("textbooks") section of {{cite web | url=http://www.ballo.de/1844-1945,_b.htm | title=Schachliteratur 1844–1945 | access-date=17 June 2008 | archive-url=https://web.archive.org/web/20080121220422/http://www.ballo.de/1844-1945,_b.htm | archive-date=21 January 2008 | url-status=dead }} [[Wilhelm Steinitz]] respected their work, see his review of Wormald's "''The Chess Openings''" quoted at {{cite web | url=http://www.chesshistory.com/winter/winter15.html | title=Chess Notes Archive 15 | author=Winter, E. | access-date=17 June 2008 | archive-url=https://web.archive.org/web/20080509083517/http://www.chesshistory.com/winter/winter15.html | archive-date=9 May 2008 | url-status=live }}</ref>