Author: Gian-Carlo Pascutto
Date: 03:58:41 12/27/01
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On December 27, 2001 at 03:51:22, Uri Blass wrote: >The only problem that it could not solve in a reasonable time >is WAC 2 >I guess that it needs depth 13 in order to solve it >and the estimated time that >it needs to get this depth is at least some hours. Nothing to worry about. WAC 2 is hard, both for search and eval. I get it at ply 11-13 depending on the extensions. Usually 10-30s on Athlon 1000. >The hardest problem for it >(from the problems that it solved) was WAC 22 >but I consider it as a positional problem because >there are many moves that win a pawn for white to get equality >in material. >Qh5 is one of them and my program found Nxf7 at depth 4 >but changed it's mind at depth 6 to Qh5 only to change >it's mind later again to Nxf7 at depth 7. I get +1 for white with Nxf7 at 13 ply. After playing out Qh5 I get g6 and BLACK up 0.70 pawns. So Qh5 looks a lot worse as Nxf7 for my program. -- GCP
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