Author: Robert Hyatt
Date: 10:15:12 05/02/02
Go up one level in this thread
On May 02, 2002 at 12:13:48, Jeroen van Dorp wrote: >[D]8/6p1/5pk1/8/2r5/4PP1P/R1p3PK/8 w - - 0 47 >Pocket ChessPartner v1.0 - CENTURY 4.0 > >Here Century pondered 47. Ra1 c1Q 48. Rxc1 for it's white opponent instead of >47. Rxc2 Rxc2. > >I wonder why: is it because Century might think (in a twisted computer chess >way) "swapping a rook for a queen is more valuable than swapping a rook for a >pawn", or because it pondered the chance that black makes a mistake, doesn't >promote, and white can play Rc1, disabling promotion for the time being? > >Just a small question about computer chess progam logic (I hope). > >Thanks. > >J. It is probably a horizon problem. If it takes immediately the opponent ends up with a rook on the 7th after the recapture. By first allowing the pawn to promote the opponent's rook ends up on the 8th rank. materially they are identical. Positionally they might not be...
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