Author: Uri Blass
Date: 15:38:36 06/26/03
Go up one level in this thread
On June 26, 2003 at 18:36:35, Uri Blass wrote: >On June 26, 2003 at 18:28:55, Jeremiah Penery wrote: > >>On June 26, 2003 at 17:54:35, ALI MIRAFZALI wrote: >> >>>[D]3rr3/6k1/2p3P1/1p2nP1p/pP2p1P1/P1B1Nb1B/2P2K2/5R2 b >>>In the above diagram Deeper Blue made a huge mistake by playing 39...Kh6 and >>>lost.Commercial programs do not play this move but choose 39...h4 which draws. >>>Amazingly no annotation to this game mentions this as the loosing mistake ;but >>>they concentrate on moves like 34...Qxf1+ as mistakes.I Let Chessmaster 9000 >>>at 1.8 GHZ play both sides at 999 seconds per move for both sides after 39...h4 >>>and the result is a draw.Amazingly 39....h4! is played by the programs at very >>>low depths also.Deeper Blue must be inferior to current Commercials for turning >>>a Draw into a loss by playing 39....Kh6? 200 million positions per second and >>>still it does not see 39...h4.I think Deeper Blue was at least 200 Elo points >>>weaker than the current Commercials.HERE IS CHESSMASTER 9000 autoplay at 999sec >>>per move at 1.8 GHZ after 39.....h4! >>>CHESSMASTER 9000:39...h4 40.Ng2 Kf8 41.Nxh4 Bd1 42.f6 Bxc2 43.g7+ Kf7 44.Nf5 >>>Kxf6 45.g5+ Kxg5 46.Bxe5 Rxe5 47.Rg1+ Kf6 48.g8=Q Rxg8 49.Rxg8 Rxf5+ 50.Bxf5 >>>Kxf5 AND in this Drawn position the Computer(CM 9000) moves pieces back and >>>forth for another 30 moves which I do not list without any advantage for any >>>side.SO I THINK AFTER 39.....h4! IT IS A DRAW. >> >>Who says that this line played by Chessmaster is by any means the best one from >>white's perspective? You can't claim this is a drawing move based on one game >>played by one engine against itself. There's no real analysis to back this up. > >one game of engine against itself is better than no analysis. > >If you claim that it is not a draw then you need to show a way to beat >chessmaster. > >Uri I mean if you want to claim and convince other people. I do not know the right result and if I see draw in comp-comp game then my guess is that it is probably a draw. Uri
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