Author: Robin Smith
Date: 21:13:49 06/08/01
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On June 08, 2001 at 15:19:09, Robert Hyatt wrote: >Here is a cute position that occurred between a commercial program and Crafty >last week: > >[D] 8/p4pp1/3rk2p/4p3/2P5/2K4P/P2R1PP1/8 w - - 0 1 > >Crafty was black and moved the rook to d6, offering a trade. The opponent >took it and was happy to do so. Unfortunately, white is lost. White saw >the passed pawn and apparently was quite happy. Crafty's static evaluation >for this position is -1.0 roughly. > >For those that "don't do endgames" black's king-side majority is the problem >here. White's passer gets blockaded, white has to desert it to stop black's >kingside passer he makes after a few pawn moves, and then black eats white's >a pawn and promotes. > >Instructional, at least. These are the kinds of positions you want to >see your program get right. I saw a very similar one against a GM today, >playing Crafty. He calculated for a long time after crafty offered to trade >the last piece on the board. He traded, and 10 moves later realized he was >dead lost. :) Are you SURE white is lost after Rxd6? I tried crafty 18.08 against itself, at the level 13 plies/move, and the game was drawn. Robin Smith
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