Author: Tord Romstad
Date: 00:59:28 05/01/04
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On April 30, 2004 at 23:04:24, Andrew Wagner wrote: >Here's the position: > >[d] 8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - - > >The move to find here is Rxb2. My question is...what ply does your program find >the solution on? 12 plies, 663806 nodes, 1.78 seconds (on a PIV 2.4 GHz). >To tactically work it out to see that you can force queening >requires something like 13 or 14 ply. This is an interesting knowledge vs. >search position...can you special-case this somehow to find it sooner? This would probably be possible, but it is difficult to get right. Gothmog solves this position by search rather than eval. Try extending passed pawn pushes to the 6th and 7th rank in endgames where the side to move is behind in material, and you will probably find that Trueno solves WAC2 easily. Tord
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