Author: blass uri
Date: 02:35:29 08/31/98
Go up one level in this thread
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 Uri
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