Author: Uri Blass
Date: 02:28:14 10/21/00
I composed this position to see if chessmaster can see perpetual check. [D]4k3/6RQ/6PP/8/r7/8/r7/7K b - - 0 1 The target is to see 0.00 score I found that chessmaster does not see the draw even after some minutes but after Ra1+ Kg2 it can see the draw very quickly in clearly smaller depth. The same after Ra1+ Kh2 I tried also Fritz5.32 and it does not see the draw at least after a short time. If I give Fritz5.32 the moves Ra1+ Kg2 it can see the draw but after Ra1+ Kh2 it has problems to see the draw. Fritz5.32 expects Kg2 when it plays Ra1+ and wants to play Kg2 at depth 13 with evaluation 0.00. How many squares can the white king visit before the repetition?(it is clear that the white king cannot visit all the 21 squares (b1-b3... h1-h3)) Uri
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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