••• Current position: Home   Home Rybka engine Rybka 3 user area Installation Computer chess Links Rybka team Contact one Welcome to RybkaChess.com! deutsche Website Rybka is a UCI chess engine programmed by International Master Vasik Rajlich Rybka 4 Rybka 4 is released! 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 Latest Reports / Tournament Participations / Man vs. Machine Matches 2010-07-19 Rybka wins the 4th World Rapid Computer Chess Championship with 7.5/9 ahead of Deep Sjeng and Crafty (7/9). Opening report by Jiri | Report by Vas 2010-05-30 Rybka wins the 10th International CSVN Tournament with 8/9 ahead of Deep Sjeng (7/9). Opening report by Jeroen | Report by Vas 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).