Author: Torstein Hall
Date: 00:30:02 08/01/02
Go up one level in this thread
On July 31, 2002 at 16:50:39, Jeroen van Dorp wrote: >On July 31, 2002 at 15:27:03, Torstein Hall wrote: > >>On July 31, 2002 at 11:20:10, Jeroen van Dorp wrote: >> >>Of course white has a material advantage, but Fritzie comes up with 1.Qc1! Ra6 >>and a score of 0.78 at 16/40, suggsting Rd2. It looks like black can try to come >>up with a fight here. >> >>And perhaps any human can feel the nerves with two "ugly" knights and a rook or >>two are stearing down at your king..... > > >Here's what Donner tells us in the story: > > > >Browne,W (2550) - Sosonko,G (2470) [B78] >Hoogovens Wijk aan Zee (6), 1975 > >Here's the game until the draw: > >1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 0-0 >9.Bc4 Bd7 10.0-0-0 Qb8 11.Bb3 a5 12.a4 Rc8 13.Ndb5 Nb4 14.Kb1 d5 15.exd5 Bxb5 >16.Bf4 Rxc3 17.Bxb8 Rxb3 18.Be5 Bd3 19.cxd3 Nfxd5 20.Bxg7 Kxg7 ½-½ > >[D]r7/1p2ppkp/6p1/p2n4/Pn6/1r1P1P2/1P1Q2PP/1K1R3R w - - 0 21 > >Now Sosonko offers a draw, and Browne accepts it, after half an hour thinking, >but commenting on it that it's rather silly that with the material he has he >can't win (2N+2R against Q). > >Now this is the cumulated analysis throughout the article. > >Key line for Donner is 21. Qc1 b5 (very important) 22.axb5 a4 23. Qc4 (the >important square for the queen). Between quotes the approximate words of Donner: > > >21.Qc1 [ 21.h4 h6 22.Rc1 "given by most commentators as the best move" 22...b5 >23.axb5 a4 24.Qd1 "white has to target for the back rook, else he will be >terminated immediately" 24...Rxd3 25.Qe2 a3 26.Rhd1 Rb3 27.Rd2 axb2 28.Rxb2 Rba3 >29.Rd2 Rb3+ "and black keeps it a draw(...)"( 29...Ra1+ 30.Kb2 R8a2+ 31.Kb3 >Ra3+) ] 21...b5 I liked Fritzs suggstion of 1...Ra6! It keeps the material on the board and introduces quite a few threats against the white king. My analyzis was done at home and now I'm at work so its not much I can do until the evening. But I will sure take a look at 1...b5 and my (or rather F7) line. Torstein b5 is the main concern for Donner, as combined with the oncoming >a-pawn will give black the possibility to support a full scal attack of the two >rooks and knights. [ 21...Nxd3 22.Qc4; > 21...Nc3+ 22.Qxc3+; > 21...Nb6 "an idea from Timman" 22.Rd2 Rc8 23.Qd1 Rcc3] 22.axb5 a4 23.Qc4 The >crucial field, according to Donner. With this move white checks all the black >pieces > >J.
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