Author: blass uri
Date: 06:54:49 08/31/98
Go up one level in this thread
On August 31, 1998 at 05:35:29, blass uri wrote: > >On August 31, 1998 at 05:13:16, blass uri wrote: > >> >>On August 31, 1998 at 03:30:50, Howard Exner wrote: >> >>>On August 30, 1998 at 17:57:36, blass uri wrote: >>> >>>> >>>>On August 30, 1998 at 16:43:31, Amir Ban wrote: >>>> >>>>> >>> >>>>>I noted that several people here thought 25...Bh8 to be the losing move. Neither >>>>>we nor the GM thought so during the game. Indeed, Bxf4, which was almost played >>>>>by Junior was the real loser. Shay commented while waiting for this move that if >>>>>it is played, we may as well resign and go to bed. >>>> >>>>Junior5 wanted to do Bxf4 after some hours on my pentium200MMX >>>>with an evaluation of small advantage for white(after a long time but less than >>>>half an hour I saw that it wanted to play Bh8) >>>> >>>>I think it is too early to resign after Bxf4(maybe Junior has a mistake in the >>>>evaluation and black is losing but you cannot be sure about it in the game). >>> >>>I'm with Uri on this one as I can't see how white can muster up an attack on the >>>black squares. This sequence looks reasonable for black: >>> >>>25. ... Bxf4 26. Rxf4 Qd6 27. Rf3 Kf8, with the idea of placing the King on g7 >>>and leaving the option of swinging the rook back via h8. Yet there could >>>be some forcing line here for white as I think its position is favourable >>> >>>Yudasin's move of 25. Bf4 contains some punch to it (is in the greed line >>>where black captures the a2 pawn, posted here prevuosly). His honesty in sharing >>>that playing Junior offered a worthy challenge is refreshing. Your description >>>is one of a highly concentrated effort by a strong GM. >>>For GM's to win seems no longer a stroll in the park. >>> >>>>> Yudasin agreed. Without the >>>>>dark-squares bishop black is lost. >>> >>>Is there a concrete line here to demonstrate this? I'm not sure this general >>>principle applys to this particular position. But if you mean that computers >>>may stumble after the bishop exchange then I may agree with that as some >>>programs may not chose to centralize the Queen to d6 and to seek a safe haven >>>for the king on g7. >> >>I gave Junior the position after Bxf4 Rxf4 and Junior5's line after more >>than an hour at depth 17 is 26...d4 27.Na4 Rd7 28.Ra1 Qd6 29.Rg4 Kf8 >>30.Qd2 Kg8 31.Rg5 Rxg5 32.Qxg5 with evaluation 0.08 advantage for white >> >>Uri >at depth 18 Junior's line is 26...d4 27.Na4 Qd6 28.Rg4 Rd7 29.Rd1 Bb5 >30.Nc3 Qb4 31.Nxb5 Qxe1+ 32.Rxe1 cxb5 33.a4 with evaluation 0.12 >pawns advantage for white at depth 19 Junior's line is 26...Qb4 27.Na4 Qxe1+ 28.Re1 Rb4 29.Nc5... with the evaluation of 0.12 pawns advantage for white. I think that it is a mistake in the evaluation and Junior is losing in this line because the knight is better than the bishop Uri > >Uri
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