Author: Aaron Gordon
Date: 20:28:10 09/07/01
Go up one level in this thread
On September 07, 2001 at 23:01:19, Slater Wold wrote: >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... > >Deep Shredder on my 2x1.4Ghz: > >Shredder 5.32 - W,S >rnb2bk1/1pqnr2p/p2pp1P1/6PB/4P3/2N1B3/PPP4P/R2Q1RK1 w - - 0 1 > >Analysis by Shredder 5.32: > >1.Rxf8+ Nxf8 2.gxh7+ Nxh7 > -+ (-1.80) Depth: 1/2 00:00:00 >1.Rxf8+ Nxf8 2.Qxd6 Qxd6 3.gxh7+ Rxh7 > -+ (-1.80) Depth: 1/2 00:00:00 >1.gxh7+ Kxh7 2.g6+ Kh8 > = (0.09) Depth: 1/2 00:00:00 >1.gxh7+ Kxh7 2.g6+ Kh8 > = (0.09) Depth: 1/2 00:00:00 >1.gxh7+ Kxh7 2.g6+ Kh8 > = (0.09) Depth: 2/4 00:00:00 >1.gxh7+ Kxh7 2.g6+ Kh8 3.Qd3 > = (0.09) Depth: 3/6 00:00:00 >1.gxh7+ Rxh7 2.g6 Rg7 3.Qd4 Ne5 > = (0.04) Depth: 4/8 00:00:00 >1.gxh7+ Rxh7 2.Qf3 Kh8 3.Bg6 Rh4 4.Qf7 > = (0.16) Depth: 5/10 00:00:00 >1.gxh7+ Rxh7 2.Qf3 Qc4 3.Bg6 Bg7 4.Qf7+ Kh8 5.Bxh7 Kxh7 > ² (0.40) Depth: 6/12 00:00:00 93kN >1.gxh7+ Rxh7 2.Qf3 Qc4 3.Bg6 Rh8 4.Rad1 > ² (0.65) Depth: 7/14 00:00:00 171kN >1.gxh7+ Kh8 2.Bf7 Nc6 3.Qd4+ Nxd4 4.Bxd4+ Kxh7 5.Bg6+ Kxg6 6.Rf6+ Kxg5 7.Be3+ >Kxf6 > ² (0.65) Depth: 7/14 00:00:00 398kN >1.gxh7+ Kh8 2.g6 Bg7 3.Qd3 Ne5 4.Qe2 Nc4 5.Bg5 Bxc3 6.Bxe7 Bxb2 > ² (0.61) Depth: 8/16 00:00:01 795kN >1.gxh7+ Kh8 2.g6 Bg7 3.Kh1 Bxc3 4.bxc3 Nc6 5.Bg5 Rg7 > ² (0.56) Depth: 9/18 00:00:03 1583kN >1.gxh7+ Kh8 2.g6 Bg7 3.Kh1 Nc6 4.Qd2 Qa5 5.Be2 Qe5 6.Rad1 > ² (0.52) Depth: 10/20 00:00:10 4981kN >1.gxh7+ Kh8 2.g6 Bg7 3.Kh1 Nc6 4.Qd2 Nde5 5.Qe2 b6 6.Rad1 Bb7 > ² (0.47) Depth: 11/22 00:00:27 13113kN >1.gxh7+ Kh8 2.g6 Bg7 3.Kh1 Nc6 4.Qd2 Qa5 5.Bg5 Bxc3 6.bxc3 Rg7 7.Rab1 Qxa2 >8.Qxd6 Qxc2 9.Qxe6 Qxc3 > ² (0.50) Depth: 12/24 00:01:14 35701kN >1.gxh7+ Kh8 2.g6 Nc6 3.Kh1 b5 4.Bf4 Rg7 5.Qd2 e5 6.Nd5 Ndb8 > ² (0.37) Depth: 13/26 00:05:45 165608kN >1.gxh7+ Kh8 2.Nd5 exd5 3.Qxd5 Rxh7 4.Bg6 Rg7 5.Bd4 Qxc2 6.Rf7 Ne5 7.Bxe5 dxe5 >8.Rxf8+ Rg8 9.Rxg8# > ² (0.62) Depth: 14/28 00:14:34 416858kN >1.gxh7+ Kh8 2.Nd5 exd5 3.Qxd5 Rxh7 4.Bg6 Rg7 5.Bd4 Qxc2 6.Rf7 Ne5 7.Rxf8+ Rg8 >8.Qxg8# > ± (1.12) Depth: 14/28 00:18:07 514699kN >1.gxh7+ Kh8 2.Nd5 Qd8 3.Rxf8+ Qxf8 4.Nc7 Nf6 5.Nxa8 Nxh5 6.Qxh5 Rxh7 7.Qg6 Bd7 >8.Rd1 > +- (3.11) Depth: 14/28 00:51:04 1513382kN >1.gxh7+ Kh8 2.Nd5 Qd8 3.Nf4 Ne5 4.Bd4 Rg7 5.Bxe5 dxe5 6.Qxd8 Kxh7 7.Qxc8 Rxg5+ >8.Kh1 > +- (3.36) Depth: 15/30 01:39:56 2986035kN >1.gxh7+ Kh8 2.Nd5 Qd8 3.Nf4 Ne5 4.Bd4 Rg7 5.Bxe5 dxe5 6.Qxd8 Kxh7 7.Qxc8 Rxg5+ >8.Kh1 Nc6 > +- (3.86) Depth: 15/30 02:01:08 3614587kN >1.gxh7+ Kh8 2.Nd5 exd5 3.Qxd5 Rxh7 4.Bg6 Qd8 5.Bxh7 Bg7 6.Qf7 Kxh7 7.Rf5 Kh8 >8.g6 Nf6 9.Bh6 Qg8 10.Bxg7+ Qxg7 11.Rxf6 Qxf6 > +- (4.29) Depth: 15/30 02:58:55 5330482kN > >(W, 07.08.2001) > > >gxh7+ doesn't seem to be _too_ wrong. :) > > >Slate Sheez, thats a pretty deep search :) Indeed, looks like gxh7+ is also very good
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