Author: martin fierz
Date: 02:50:03 07/19/04
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On July 18, 2004 at 16:22:21, Roy Brunjes wrote: >In a recent game between Shredder 8 and Chessmaster 9000 on ICC the following >position arose: > >[D]r1b3k1/pp2n1b1/1qn1prpp/2pp4/5B1P/2PP1NP1/PPQ2PB1/RN3RK1 b - - 0 13 > >Chessmaster played 13. ... Rxf4!? > >Is this sound? for what it's worth, this looks 100% sound to me. i'd play this move without thinking in any blitz game, and in a long game i'd perhaps check if it loses immediately before playing it. as compensation for the exchange black shatters white's kingside, white's rooks have nothing to do, white is underdeveloped, and it looks like black will pick up the f4-pawn within a couple of moves. you also get nice squares for your minor pieces, like f5 for a knight. i'm ashamed my program doesn't play this sac :-( after ...Rxf4 gxf4 Bd7 (more or less forced, you need the R on f8, and you need to finishe development) ruffian 1.01 evaluates the position as approximately equal after a minute of thought - which usually is a very clear indication that black is actually much better: if even the computer sees enough compensation, it probably is more than enough. cheers martin
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