••• Current position: Home   Home Rybka engine Rybka 3 user area Installation Events Computer chess Links Rybka team Contact one • Back to Top • Welcome to RybkaChess.com! deutsche Website Rybka is a UCI chess engine programmed by International Master Vasik Rajlich. Larry Kaufman is world senior champion Larry Kaufman, who develops the evaluation algorithms of Rybka, won the 18th World Senior Championship in Bad Zwischenahn, playing the tournament of his life. He also earns the GM title automatically now, congratulations, Larry! 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. Click here to enter the Rybka 3 user area. Latest Reports / Tournament Participations / Man vs. Machine Matches 2008-11-17 Rybka wins the 27th Open Dutch Computer Chess Championship in Leiden scoring 9/9, ahead of Hiarcs (7,5/9) and Sjeng (6,5/9). (games,short report by Vas) 2008-10-09 Report on the 16th World Computer Chess Championship with a diary and photos by Hans van der Zijden. 2008-09-18 GM Vadim Milov wins against Rybka in a match at different odds 4,5-3,5 (games).