Author: Mark Young
Date: 21:30:49 05/23/99
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On May 24, 1999 at 00:04:43, blass uri wrote: > >On May 23, 1999 at 18:41:59, Mark Young wrote: > >>After looking over the Rebel 10.5 - GM Rohde game with many programs, I finally >>got around to why Hiarcs 7 wants to play 23. Rxb4 instead of the move 23. exd4 >>as was played in the game and most other program agree with, giving it a equal >>score or slightly minus score, but all the other programs think 24.Rxb4 is a >>mistake. (Hiarcs7 give 23. Rxb4 a +138, or better then a pawn advantage at +128) >> >>In a effort to see why Hiarcs7 is making this blunder, I played the other >>programs against Hiarcs7 after the move 23. Rxb4. To my surprise all of them >>have lost even though they think 23. Rxb4 is far from the best move and prefer >>23. exd4. > >Did you try to play Hiarcs7 against itself and not against weaker opponents? > >I believe that white has a better position after Rxb4 >and the only question is if black can draw the game. > >Junior5.4 chose Rxb4 at depth 19 after looking at 405614Knodes with an >evaluation of 0.47 pawns advantage for white(the previous best move was Qc1 with >evaluation of 0.42 pawns advantage for white). Yes I did self play with Hiarcs 7 first, and white also won, but did not show it because I know that would be rejected by some on CCC. (Sure white won in self play, Hiarcs7 does not understand why 23. Rxb4 is a bad move :) ) So I posted a program that said 23. Rxb4 is a weaker move. > >Uri
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