Author: John Merlino
Date: 15:55:02 12/15/03
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On December 15, 2003 at 16:23:15, Dieter Buerssner wrote: >[D] 5k2/1R4p1/5p2/4p2p/1p2P2P/r4P2/PK4P1/8 b - - > >This is from a game between Ruffian-Yace in the "CSS-Online-Masters" (time >control 60 15). > >I think, after Ra4, white cannot make progress, and the game will end in draw. >Yace played Re3? instead (with 0.0 score). Are there engines, that show in >reasonable time a big score difference between Re3 and Ra4?. I believe Re3 loses >by force. For example Re3 Rxb4 Re2 Kb3 Rxg2?! (possibly Re3 instead gives more >resistance) a4. > >It is not a real good test position, because engines can show for a long time >the same score for Ra4 and Re3, and the chosen move might be pure luck. >Therefore also the question for scores after those moves. > >Regards, >Dieter Chessmaster 9000, SKR personality, chooses Ra4 in less than one second, and never gives it up. After about two minutes on a P4-2.4, the score is +0.18 for White. If I force Re3, the score is instantly in the +0.4 range, and is +0.82 after about two minutes. So, I don't think that, with this engine and this personality, there is the danger of choosing Re3 at any time control. jm
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