Author: Uri Blass
Date: 15:43:48 11/22/02
Go up one level in this thread
On November 22, 2002 at 18:33:52, Kurt Utzinger wrote: >On November 22, 2002 at 18:09:28, Uri Blass wrote: > >>previous version found Rxb2 only at depth 14 >>With verified null move pruning movei finds wac 2 at depth 12. >> >>[D]8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - - 0 1 >> >>depth=12 +0.64 b3b2 >>Nodes: 6559172 NPS: 215975 >>Time: 00:00:30.37 >> >>depth=12 +2.67 b3b2 d2b2 c4c3 b2b6 f6g7 b6b7 g7h6 b7b6 h6h5 b6b5 c3c2 b5f5 h5g6 >>f5g5 g6h6 g5c5 d3d2 c5c6 h6h5 c6c5 h5h4 c5c2 d2d1q c2e2 >>Nodes: 17674291 NPS: 212303 >>Time: 00:01:23.25 >> >>depth=13 +3.54 b3b2 d2b2 c4c3 b2b6 f6g7 b6b7 g7h6 b7b6 h6h5 b6b5 c3c2 b5f5 h5g6 >>f5g5 g6f6 g5c5 d3d2 c5c6 f6e7 c6c7 e7d6 c7c2 d2d1q c2e2 h7h5 >>Nodes: 30679118 NPS: 220032 >>Time: 00:02:19.43 >> >>Uri > >Am I going right that the main question however is how this changed null move >pruning method does have an influence (+/-) of the overall playing strenght of >your program? >Kurt Yes I do not know at this stage if the latest version is better or worse but I believe that with some changes verifying null move pruning should be better. Uri
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