Author: Werner Schuele
Date: 13:14:56 07/20/99
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On July 20, 1999 at 15:13:38, Robert Hyatt wrote: >On July 20, 1999 at 13:54:39, Werner Schuele wrote: > >>I am using wcrafty under Hiarcs7.32 with the delivered tablebases. Why does >>wcrafty16.13 not solve MES0035? >>8/8/1p1K4/Pp6/2k1p3/8/1P6/8 w - - bm a6; id "MES0035"; >>The evaluation ist axb6 0.00. Even when the first moves are given: >>a6 e3 >>a7 e2 >>a6D e1D >>Dd5 is not found, after Dd5 wcrafty plays Kb4 with evaluation -0.01/1 which >>looks like a book move under Fritz5.32 or Hiarcs 7.32. >>Werner > >First, the -0.01/1 is displayed because the move is forced and black has >only one possible move. No point in searching that. > >Second, this is simply a null-move killer position. If a program uses null- >move it can have problems with this position... it is one of several well-known >ones that were contrived just to 'break fritz'. :) Thanks for the answer. By the way, Hiarcs7.32 announces a #45 with the line a6 Kd3 a7 Kd2 a8D Werner
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