Author: Uri Blass
Date: 05:19:10 01/28/03
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On January 28, 2003 at 07:52:45, Igor Gorelikov wrote: >On January 28, 2003 at 06:21:19, Uri Blass wrote: > >>On January 28, 2003 at 05:39:11, Andrew Williams wrote: >> >>>Apologies if this has already been posted. The report is here: >>> >>>http://www.chessbase.com/columns/column.asp?pid=159 >>> >>> >>>Andrew >> >> >>Thanks for the report but I see no analysis to show the win for white after >>moves like Bb7. >> >>I will be happy if people can post comp-comp games with Bb7 instead of b5. > >First quotation (from Kasparov's site): > >"During the press-conference Kasparov said that 13...b5? was probably the >decisive mistake." > >> >>I also see no analysis of alternative to Rae8. > >Do you mean an engine's analysis? Yes >By two humans it is done. >Second quotation (from Kasparov's express analysis): > >"17...Rae8 > >From the human’s standpoint this move looks paradoxical. On the other hand, from >the machine’s angle it is quite logical. Since the e5-pawn was under attack, the >computer chose the lesser of two evils. > >After 17...Rad8 18.Nxe5 Nxe5 19.Qxe5 Ba8 20.f3 Black is helpless. Its pieces are >poorly placed; there is no compensation for the pawn. By the way, I would not >say that this exchange sacrifice is absolutely innocuous. A human might get >confused in such a situation." > >And third quotation (from Shipov's in-depth analysis): > >"17...Rae8 > >Sacrificing the exchange! > >The variations given below illustrate Black's problems: 17...Rfd8? 18.Nxf7! Kxf7 >19.Rxd7+! Rxd7 - two decoying sacrifices helped the white knight to win the >Grand Prix! 20.Nxe5+! - a triple fork! > >The problems for Black are in the line 17...Nf4 18.Bxf4! exf4 19.Nf5! Black >faces an unpleasant alternative - either get checkmated on g7, or give up his >queen after the fork on e7. > >More reasonable was 17...Rad8 with the idea of sacrificing another pawn for the >initiative after 18.Nxe5 Nxe5 19.Qxe5 c3! Actually this line is in Junior's >"spirit". I guess that Garry would not have captured on e5. The solid move >18.Rd2! followed by doubling the rooks on the d-file looks more practical. White >has very stong pressure! > >Finally, Black could have played 17...Rab8!? in the hope of putting some >pressure on b2." I did not find a clear win for white after 17...Rab8 and I suspect that black has chances in engine-engine games. > >>I am not sure if white is winning so easily and I suspect that black will get >>points in 120/40 between the top engines. > >Engines and humans are so different things :-) Yes but we cannot ask kasparov to play again after 17...Rab8 so we only can find if black has practical chances by 17...Rab8 by engine-engine games(I believe that black still had practical chances after 17...Rab8 but I may be wrong). Uri
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