Author: Robert Hyatt
Date: 21:34:19 12/09/02
Go up one level in this thread
On December 09, 2002 at 12:13:21, Uri Blass wrote: >Here are the first 25 plies. >After the next black move white win the pawn so if you do no extension the >capture is at ply 27 but you can see it at ply 26 thanks to qsearch. > >1.Ka1-b1 Ka7-b7 2.Kb1-c1 Kb7-c7 3.Kc1-d1 Kc7-d7 4.Kd1-c2 Kd7-c8 5.Kc2-d2 Kc8-d7 >6.Kd2-c3 Kd7-c7 7.Kc3-d3 Kc7-b7 8.Kd3-e2 Kb7-c7 9.Ke2-f3 Kc7-d7 10.Kf3-g3 Kd7-e7 >11.Kg3-h4 Ke7-f6 12.Kh4-h5 Kf6-f7 13.Kh5-g5 Line > >Uri I checked my old files and this was a "memory glitch". The first program to solve this position was chess 4.x in a CDC Cyber 176 computer. It took 26 plies and 23 minutes of cpu time to do so... That was back in the days when that program searched about 2500 nodes per second and had 65536 hash table entries... That was where I mis-remembered the "23" from...
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