Author: Uri Blass
Date: 06:34:23 05/06/04
Go up one level in this thread
On May 06, 2004 at 07:44:13, Martin Giepmans wrote: >On May 05, 2004 at 21:08:48, Will Singleton wrote: > >>[D]8/8/3Rr3/6Bk/7P/5K1P/8/8 w - - 0 74 >> >>This is from ICC today. The game is already won, but Bf4 wins quicker. Amateur >>plays it immediately, anybody else? (not Shredder, Ruffian, CM) >> >>13 1007 149 920346 Bf4 Rxd6 Bxd6 Kxh4 Kg2 Kh5 Be7 Kg6 Kg3 Kh5 >>14 1007 243 1496827 Bf4 Rxd6 Bxd6 Kxh4 Kg2 Kh5 Be7 Kg6 Kg3 Kh5 >>15 1048 501 3162742 Bf4 Rxd6 Bxd6 Kxh4 Kg2 Kh5 Kg3 Kg5 Be5 Kf5 > > >SpiderChess (without tablebases) also plays it (instantly). >I guess that some engines overlook it because of nullmove. > >Martin I do not see null move problem. It is evaluation problem and movei does not know to trade pieces when it has the advantage. It probably can solve it if I add a bonus in the case that the opponent has only a king but this also means that the wrong evaluation of KBP vs K will remain. Uri
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