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Subject: Re: Rybka is not perfect! It doesn't see mate in 4!

Author: Martin Giepmans

Date: 16:14:46 12/05/05

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[D] 8/3N4/8/8/1pp5/brpp4/qpprp3/1nkbK3 w - - 3 13

I guess many other engines will also not find it. Mine only finds it when I
enable verification search (which is default off).
It's a null move problem.

Martin

• Re: Rybka is not perfect! It doesn't see mate in 4! Reinhard Scharnagl 04:46:17 12/06/05
• Re: Rybka is not perfect! It doesn't see mate in 4! Alessandro Scotti 23:38:46 12/05/05
• Re: Rybka is not perfect! It doesn't see mate in 4! Uri Blass 18:44:19 12/05/05
  • Re: Rybka is not perfect! It doesn't see mate in 4! Martin Giepmans 02:54:05 12/06/05
• Re: Rybka is not perfect! It doesn't see mate in 4! Joseph Tadeusz 17:47:17 12/05/05
  • Re: Rybka is not perfect! It doesn't see mate in 4! Richard Pijl 02:26:21 12/06/05
• Re: Rybka is not perfect! It doesn't see mate in 4! Mark Rawlings 16:49:37 12/05/05

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