Rybka 1.0 Beta (free)
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Rating ELO: 2920
\You can download Rybka 1.0 Beta for free. The Rybka 1.0 Beta version does give a fairly good introduction to the style and general approach of the engine but it doesn’t support multivariation mode and ignores underpromotions to knights for example.
Comments
Rybka beta wont answer your moves!