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Rybka 4 UCI Download

Brand:    ChessOK

$59.95 $45.00
(You save $14.95)

Rybka 4 UCI
The World's Strongest Chess Engine

Please Note:  Download keys must be manually made. You will receive your download link and key within 24 hours of purchase (hopefully, much sooner). Please watch for your  email. If you do not receive the link and key after 24 hours please contact: for help.

Rybka 4 UCI is the world champion of chess engines with a rating of 3250+ points ELO. The main developer of the program - international master Vasik Rajlich (Hungary) has inserted the algorithms of positional estimation into it which are as close to the chess-player's style of thinking as possible.

Rybka 3 UCI is not a standalone program and works only in other popular interfaces e.g. Fritz, ChessBase 9, Shredder, Junior, Hiarcs, Chess Assistant, etc.

System requirements: IBM-compatible PC, 256 MB RAM, Windows 2000/XP/Vista/ Windows 7.

System Requirements: IBM-compatible PC, 256 Mb RAM, Hard Disk 100 Mb of free disk space, Windows 2000/XP/Vista/7/8, CD-ROM. No additional software required.
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