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Welcome to RybkaChess.com!
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Rybka is a UCI chess engine programmed by International Master Vasik Rajlich

Topalov - Dufek
Jiri Dufek Topalov
After winning the freestyle tournament at Mundial Chess, Jiri Dufek, who is working on the opening book for Rybka 4, had the opportunity to play a rapid game against Veselin Topalov in Linares - and managed to draw with black!
The game
Independent Testing
CEGT 40/120 ratings; CEGT 40/120 quad ratings
CEGT 40/20 ratings; CEGT 40/4 ratings
CCRL 40/40 ratings; CCRL 40/4 ratings
CCRL 40/4 Fischer Random Chess ratings
SSDF ratings

Rybka 3 user area
Everything you need to get started. Enter the Rybka 3 user area

Latest Reports / Tournament Participations / Man vs. Machine Matches
2009-11-15 Rybka wins the 2009 Fourth Annual ACCA Americas' Computer Chess Championships with 5.5/6 ahead of Crafty (5.0/6).
2009-10-18 Rybka wins the Open Dutch Computer Chess Championship 2009 with 7.5/8 ahead of Deep Sjeng (7/8).
2009-08-16 Rybka wins the 2009 Third Annual World Computer Rapid Chess Championship with 10.5/12 ahead of Deep Sjeng (10/12).
Report by Vas | Opening report by Jiri


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