Author: Uri Blass
Date: 00:58:46 09/01/04
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On September 01, 2004 at 03:30:42, Chris Welty wrote: >On September 01, 2004 at 00:51:47, Stuart Cracraft wrote: > >>I know this is a long shot throwing this out there without much more >>info, but perhaps I'll get lucky and someone has seen this before. >>It's appeared on this bulletin board about 6 years ago. >> >>[D]4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - bm Qxf4; id >>"WAC.141"; >> >>without mate threat code > >>10/46 g2f1 471.92 -825 92873175 g2f1 e8b8 h1g1 f4e6 h4h5 >>11/46> g2f1 666.85 -575 133140320 g2f1 e8b8 h1g1 f4e6 h4h5 > >Perhaps the problem's not in the mate threat extension but somewhere else? When >Altamax sees Qxf4 the PV is only 10 ply long: >6 347 0 196349 Qxf4 Bxf4 Rxh5 gxh5 Rxh5 Bh6 Rxh6 Qg3+ Kxg3 Kf8 196kn /2.80s = >70.2kn/s Does it use null move pruning? I use null move pruning and evaluation based pruning so I need bigger depth to see Qxf4. Uri
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