Editing Advanced chess (section)

==Online tournaments==
[[File:Eros Riccio 2006.jpg|thumb|left|Eros Riccio]] There were, therefore, a number of advanced chess tournaments online, called centaur freestyle chess tournaments.
The most important were the aforementioned PAL/CSS Freestyle Tournament, which had a very high level of play and the winners, in chronological order, were: Zacks (Steven Cramton and Stephen Zackery, USA), Zorchamp ([[Hydra (chess)|Hydra]], UAE), Rajlich ([[Vasik Rajlich]], Hungary), Xakru (Jiri Dufek, Czechia), Flying Saucers (Dagh Nielsen, Denmark), Rajlich (Vasik Rajlich, Hungary), Ibermax (Anson Williams, England) and Ultima ([[Eros Riccio]], Italy).<ref>{{Cite web |url=https://freestyle-chess.webs.com/tournaments.htm |title=Forthcoming Events on InfinityChess |access-date=2019-03-03 |archive-url=https://web.archive.org/web/20190123224704/https://freestyle-chess.webs.com/tournaments.htm |archive-date=2019-01-23 |url-status=dead }}</ref>
 
Similar tournaments have been organized by FICGS, ChessBase, ICC and especially [[Infinity Chess]].

FICGS organized the Chess Freestyle Cup, which was won by Eros Riccio (1st and 3rd editions), David Evans (2nd edition) and Alvin Alcala (4th and 5th edition).<ref>[http://www.ficgs.com/titles.html FICGS titles]</ref>

ChessBase, for the 2008 Dresden Chess Olympics, organized the Computer Bild Spiele Schach Turnier, which was won by the Italian Eros Riccio.

The [[Internet Chess Club]] also held their own freestyle tour dubbed as 1st Ultimate Chess Championship 2015, won by Alvin Alcala.

Infinity Chess, the server directed by the CCGM [[Arno Nickel]], has organized multiple tournaments. The most important were the following: Welcome Freestyle Tournament, Christmas Freestyle Tournament, IC Freestyle Masters, Infinity Freestyle Tournament, Infinity Chess Freestyle Battle 2014, 8-legs of Centaur Weekend Tours, IC Team Cup and Ultimate Challenge.{{citation needed|date=June 2020}} A computer engine (Zor) ended first in the freestyle Ultimate Challenge tournament (2017), while the first centaur (Thomas A. Anderson, Germany) ranked in 3rd place.<ref>{{cite web |title=Infinity Chess Ultimate Challenge 2017 |url=http://www.infinitychess.com/Page/Public/TournamentUserView.aspx?TournamentID=2754&IsDialog=False&TournamentStatusID=2&IsTournamentView=true#undefined7 |website=www.infinitychess.com |accessdate=30 June 2020}}</ref> The total prize money for the 2017 tournament was $20,000.<ref>{{cite web |title=ULTIMATE CHALLENGE TOUR 2017, April 21 - May 20 |url=http://www.infinitychess.com/Page/Public/TournamentUserView.aspx?TournamentID=2698&IsDialog=False&TournamentStatusID=1&IsTournamentView=true |website=www.infinitychess.com |accessdate=30 June 2020}}</ref>

Infinity chess has developed two special Elo rankings for the centaurs. The first, based on results achieved in advanced-chess tournaments from 2005 to 2013, lists Sephiroth (Eros Riccio) in first place with 2755 points.<ref>[http://www.infinitychess.com/Page/Public/Article/DefaultArticle.aspx?id=83 International Freestyle Top 100]</ref> The second, based on tournaments played from 2010 to 2014, lists Intagrand (David Evans, Anson Williams, Yingheng Chen and Nelson Hernandez) in first place with 2689 points.<ref>[http://www.infinitychess.com/Page/Public/Article/DefaultArticle.aspx?id=153 International Freestyle Top 20]</ref>