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ChessOK.com » Rybka Articles Archives
Rybka vs. Benjamin: Match at Draw Odds

Rybka 3 Aquarium logotype At the beginning of January, grandmaster Joel Benjamin played Rybka in an eight-game match in which Benjamin had draw odds. Benjamin had white in every game, and draws were counted as wins for him. Therefore, the only way Rybka could score points was to win with the black pieces. Before the match, Rybka’s creator, IM Vasik Rajlich, calculated that based on ratings GM Benjamin should be more than happy with just two points in the match. However, taking other factors into consideration, he concluded that three or four points for Benjamin would be a more likely outcome.

A poll on the Rybka Forum showed that the majority of the readers expected a close match, with Rybka being the more likely winner.

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Rybka Triumphant

Rybka 3 Aquarium logotype Those who have followed the computer chess scene for the past year or two have witnessed one of its biggest revelations – the release of Rybka. Its first beta version was released in December 2005, and in spite of the bugs and rough edges, it surpassed all other programs. Some computer chess experts, shocked by the strength of the program, needed time to adjust, before they could accept the fact that it was truly an original creation by international master Vasik Rajlich. It soon became clear that it was only a matter of time until Rybka became the World Computer Chess Champion.

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Chess engine – Rybka

Rybka logotype When the first computer chess programs were created, many people predicted that in due course a person would not be able to compete with a chess program. This fact was obvious, but the question of time was still left open. The best grandmasters of the planet performed quite confident in matches against the chess game programs.

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