Author: Robert Hyatt
Date: 12:19:09 06/08/01
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. :)
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