Author: Robert Hyatt
Date: 19:06:33 07/23/01
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On July 23, 2001 at 16:11:12, Martin Giepmans wrote: >Thanks for your information. My program sticks with Kb1 once it has found >it and the score doesn't go up & down. The only odd thing is that it races >to depth 30 and then suddenly ... stops racing. No real problem, I guess, the >hashtable is probably too small. It is probably a "queen wall". IE you can search to depth=30, because your search proves that any pawn promotion can be postponed, which means no queens are allowed on the board. But beyond a certain depth, you discover that you are going to get a queen no matter what... and doing a 30 ply search with a queen on the board is not going to happen...
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