Author: Bernhard Bauer
Date: 00:40:17 06/16/02
Go up one level in this thread
On June 15, 2002 at 19:02:34, Uri Blass wrote: >On June 15, 2002 at 15:52:32, Bernhard Bauer wrote: > >>On June 15, 2002 at 12:58:48, J. Wesley Cleveland wrote: >> >>>On June 14, 2002 at 21:02:30, J. Wesley Cleveland wrote: >>> >>>>This is Chessboard magic #67 >>>> >>>>White to move and win - with 5 man TBs you should be able to find the mate, if >>>>you can solve it at all. Don't take +2.2 as a solution. >>>> >>>>[D]4KBkr/7p/6PP/4P3/8/3P1p2/8/8 w - - 0 1 >>> >>>I guess I should have said difficult for crafty. Crafty can't solve this >>>position in a reasonable length of time (or possibly at all). Even a few moves >>>down the solution path, crafty can't see it. >>>[D]4K1kr/6Pp/5q1P/4P3/8/3P4/8/8 w - - 0 4 >>> >>>the solution here is gxh8=Q Qxh8 d4!! One of the prettiest moves I've seen. Even >>>at ply 30, crafty does not see it. >> >>That's why I modify crafty. >>Crafty should have something to detect zugzwang at least in the endgame. >>On a P3-700 my modified Crafty 18.13 finds g7 in 0 sec. >>After 4 sec the score is about 10 and after a minute the score is 21. >>No difficulty to solve such positions for crafty. >> >>Kind regards >>Bernhard > >Movei has no problem to see it. >Movei does not use null move when the number of legal moves of one of the >players is less than 10. > A good Idee, I think. Does anyone know how to implement in crafty? Kind regards Bernhard >Uri
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