Author: Uri Blass
Date: 00:30:21 09/08/01
Go up one level in this thread
On September 07, 2001 at 16:12:50, Aaron Gordon wrote: >While analyzing a game between Shirov and Polgar I came across this position.. > >[D]rnb2bk1/1pqnr2p/p2pp1P1/6PB/4P3/2N1B3/PPP4P/R2Q1RK1 w - - 0 1 > > >Fritz and most others keep wanting to do gxh7 but the actual move that was >played was Nd5 and shows a +3 pawn lead after a couple minutes of searching. > >Let me know what you guys can come up with... Junior7 on p200 needs a long time to find at depth 18 that Nd5 is 2.76 pawns advantage when gxh7+ is only 2.75 pawns advantage New position rnb2bk1/1pqnr2p/p2pp1P1/6PB/4P3/2N1B3/PPP4P/R2Q1RK1 w - - 0 1 Analysis by Junior 7: 1.gxh7+ Rxh7 2.g6 Rg7 +- (1.44) Depth: 3 00:00:00 1.Qf3! +- (1.47) Depth: 3 00:00:00 +- (1.71) Depth: 9 00:00:00 38kN 1.gxh7+ Rxh7 2.Qf3 d5 3.exd5 Bc5 4.g6 Rg7 5.Rae1 Ne5 6.Qf6 exd5 7.Nxd5 +- (1.90) Depth: 9 00:00:02 295kN +- (1.90) Depth: 12 00:00:18 2503kN 1.Qf3 Bg7 2.gxh7+ Kh8 3.Bg6 Nc6 4.Qh5 Nce5 5.Be8 Qc4 +- (2.05) Depth: 12 00:00:21 2877kN +- (2.16) Depth: 17 01:07:50 499508kN 1.gxh7+ Rxh7 2.Bg6 Rh4 3.Qf3 Qd8 +- (2.36) Depth: 17 01:29:13 664289kN +- (2.75) Depth: 18 04:28:12 2020096kN 1.Nd5 exd5 2.Qxd5+ Kh8 3.gxh7 Rxh7 4.Bg6 Bg7 5.Bxh7 Qd8 6.Bf5 Ne5 7.Qb3 Nbc6 8.Rad1 Bxf5 9.exf5 +- (2.76) Depth: 18 06:48:09 3096484kN +- (2.76) Depth: 18 06:48:09 3096484kN Uri
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