Author: blass uri
Date: 05:24:09 12/03/98
Go up one level in this thread
On December 03, 1998 at 07:15:16, Micheal Cummings wrote: > >On December 03, 1998 at 05:36:01, blass uri wrote: > >> >>On December 02, 1998 at 07:52:32, Micheal Cummings wrote: >> >>> >>>On December 02, 1998 at 06:44:11, blass uri wrote: >>> >>>>I think that no program can find Nxf2 >>>>The tactical idea is too deep for programs. >>>> >>>>You can try to prove that the sacrifice is wrong by suggesting a better defence >>>>for white but I remember that I analyzed it before some years with Genius3 >>>>and it understood that black was better only many plies after Nxf2 >>>> >>>>Uri >>> >>> >>>Thats the whole point, if you analyse that game, then yes Nxf2 is a winning >>>move. But if black played that move against another player then no, I do not >>>think the game would have lead to black winning. >>> >>>Blacks move was correct for that game, but it was the wrong move, and it was >>>only made correct by white stupid moves later on in the game. >>> >>>By what you are saying if understand you correctly, is that after Nxf2, no >>>matter what or who played white, Black still would have won that game. >>> >>>If that is what you are saying then I totally disagree with you. >>>You might want to try one of todays programs to analyse it and see if you get >>>the same results, and if you do, then I would very much like to see it. >>> >>>In my view at that stage of the game Nxf2 was the wrong move, and black only won >>>that game due to white's stupid moves later on in the game. >> >>after 11...Nxf2 12. Kxf2 Bh4+ 13.g3 f4 >>I gave Junior5 to analyze the position for more than 6 hours >>at depth 19 after almost 6 hours and after 3,043,302 Knodes >>Junior5 understand that black is better >> >>The evaluation of Junior5 is 1.26 pawns advantage for black >>with the line 14.Kg2 fxg3 15.Rf1 gxh2 16.Kh1 Bh3 17.Bxh7+ Kh8 18.Qd3 Bxf1 >>19.Nxf1 Bg5 20.Bd2 Bxd2 21.Nbxd2 Qh4 22.Bg6 Rf2 23.Re1 >> >>I did not check this line and there can be mistakes in the last moves of this >>line >> >>14.Kg2 was always Junior5's best move >>Junior5 rejected 14.Bxh7+ also at depth 19(It did not finish to analyze all the >>moves at depth 19 >> >>The evaluation of Junior5 at depth 18 was 0.19 advantage for white. >> >>Uri > > >Are you analysing this game and moves till the end of this particular game, or >are you analysing the Nxf2 move only. I am analyzing the Nxf2 only after 11...Nxf2 the moves that my programs want to play are 12.Kxf2 and after Bh4+ 13.g3 and after 13....f4 Junior5 fwants to play 14.Kg2 with advantage of 1.26 pawns for black. The first move when Junior5 suggests a different move from the game is after 14...fxg3 when it suggests 15.Rf1 > >Because as I said if you think black playing Nxf2 would win no matter what moves >white makes later on, then I disagree totally. > >Why not let two strong chess programs fight this out, I would say the top five >chess programs today would be stronger than the two players who played that >game. I agree and I will do it but the evaluation of Junior5 was a clear advantage for black after 15.Rf1 I will try to play Junior5 against itself or against Fritz5 in a serious game(30 minutes per move). Uri
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