Author: Uri Blass
Date: 02:03:09 04/15/02
Go up one level in this thread
On April 14, 2002 at 19:52:49, Michael Vox wrote: >24...Bg4 1-0 > >In Smirin's game why would Shredder play this 24th move ?? > >Both Fritz7b and Junior7 feel that 24...Be6 +2.50 is best > >They both feel 24...Bg4 is between +4.50 to +6.00 > >What gives ? Shredder through away the Bishop !! Although, in a losing >position. > >Comments welcome Here is some analysis of yace after 24...Be6(yace was slowed down by a significant factor in the first minute but ran normally later) and after learning that 24...Be6 is bad. Yace can see +5.67 for white after Be6 after almost an hour on p800 I could teach yace to play Bg4 when I go back but after some time that it considered Bg4 it changes it's mind to be6. GM Smirin - Deep Shredder r1r3k1/1q3pPn/3pb3/n1p1p1PQ/2p1P3/2PPB1N1/6B1/R4RK1 w - - 0 1 Analysis by Yace 0.99.56: 25.Rxa5 Rxa5 -+ (-1.44) Depth: 1 00:00:10 25.dxc4 Kxg7 = (-0.04) Depth: 1 00:00:11 25.g6 ² (0.42) Depth: 1 00:00:11 25.g6 cxd3 26.gxh7+ ± (1.05) Depth: 2 00:00:11 25.g6 fxg6 ± (1.11) Depth: 2 00:00:11 25.g6 fxg6 26.Qxg6 ± (1.11) Depth: 3 00:00:13 25.g6 fxg6 26.Qxg6 Qd7 27.d4 cxd4 28.cxd4 ± (0.85) Depth: 4 00:00:22 25.g6 fxg6 26.Qxg6 Bf7 27.Qxd6 Nc6 ± (1.25) Depth: 6 00:01:10 86kN 25.g6 fxg6 26.Qxg6 Qd7 27.Nf5 Bxf5 28.exf5 +- (1.43) Depth: 6 00:01:11 96kN 25.g6 fxg6 26.Qxg6 Qd7 27.Nf5 Bxf5 28.exf5 d5 29.dxc4 ± (1.34) Depth: 7 00:01:13 279kN 25.g6 fxg6 26.Qxg6 Qd7 27.Nf5 Bxf5 28.exf5 Qxf5 29.Rxf5 cxd3 ± (1.34) Depth: 8 00:01:15 851kN 25.Nf5 Qd7 26.g6 fxg6 27.Qxg6 Bxf5 28.exf5 d5 29.dxc4 Rc6 30.Rxa5 Rxa5 31.Bxd5+ Qf7 ± (1.35) Depth: 8 00:01:20 2620kN 25.Nf5 Ra6 26.g6 fxg6 27.Qxg6 Bxf5 28.exf5 Qf7 29.Qxf7+ Kxf7 30.Bb7 Nxb7 +- (1.56) Depth: 8 00:01:23 3704kN 25.Nf5 Qd7 26.g6 fxg6 27.Qxg6 Bxf5 28.exf5 Qxg7 29.Bxa8 Rxa8 30.Bh6 Qxg6+ 31.fxg6 +- (1.92) Depth: 9 00:01:40 9670kN 25.g6 fxg6 26.Qxg6 Qd7 27.Rf8+ Rxf8 28.gxf8Q+ Kxf8 29.Bh6+ Ke7 30.Qxh7+ Kf6 31.Qxd7 Bxd7 32.dxc4 d5 +- (1.93) Depth: 9 00:01:44 11245kN 25.g6 fxg6 26.Qxg6 Bf7 27.Qxd6 Ra6 28.Qxe5 Nc6 29.Qd6 Rxa1 30.Rxa1 cxd3 +- (2.48) Depth: 9 00:01:55 14453kN 25.g6 fxg6 26.Qxg6 Bf7 27.Qxd6 Ra6 28.Qxe5 Nc6 29.Qd6 Rd8 30.Qxc5 +- (2.24) Depth: 10 00:02:18 23366kN 25.Nf5 Qd7 26.Bh3 Bxf5 27.exf5 cxd3 28.g6 fxg6 29.fxg6 Rf8 30.gxf8Q+ Rxf8 +- (2.25) Depth: 10 00:03:17 44134kN 25.Nf5 Qd7 26.Kf2 Bxf5 27.exf5 +- (2.26) Depth: 10 00:03:35 49566kN 25.Qh6 cxd3 26.Nh5 Qxe4 27.Bxe4 Rc7 +- (2.27) Depth: 10 00:04:06 60351kN 25.Qh6 Bg4 26.Bh3 Bxh3 27.Nh5 Qe7 28.Nf6+ Qxf6 29.Rxf6 Bg4 30.Rxd6 cxd3 31.Rxd3 +- (3.92) Depth: 10 00:04:51 74428kN 25.Qh6 Bg4 26.Bh3 Bxh3 27.Nh5 Qe7 28.Nf6+ Qxf6 29.Rxf6 Nc6 30.Rxa8 Rxa8 31.Qxh3 Nxf6 +- (4.14) Depth: 11 00:05:54 94235kN 25.Qh4 Kxg7 26.Nh5+ Kg8 27.Nf6+ Nxf6 28.gxf6 cxd3 29.Qh6 Qe7 30.fxe7 Nc4 +- (4.15) Depth: 11 00:12:45 211940kN 25.Qh4 Kxg7 26.Nh5+ Kg8 27.Nf6+ Nxf6 28.gxf6 Bd5 +- (4.32) Depth: 11 00:15:13 247253kN 25.Qh4 Kxg7 26.Nh5+ Kg8 27.Nf6+ Kf8 28.Nxh7+ Ke8 29.g6 fxg6 30.Bh3 Bxh3 31.Rf8+ Kd7 32.Rf7+ Ke8 33.Rxb7 +- (4.40) Depth: 11 00:17:36 282697kN 25.Qh4 Kxg7 26.Nh5+ Kg8 27.Nf6+ Kf8 28.Nxh7+ Ke8 29.g6 fxg6 30.Nf6+ Ke7 31.Rxa5 Kd8 32.Rxa8 cxd3 +- (4.80) Depth: 12 00:31:20 489859kN 25.Qh4 Kxg7 26.Nh5+ Kg8 27.Nf6+ Kf8 28.Qxh7 cxd3 29.g6 Ke7 30.g7 Nc4 31.Rxa8 Qxa8 +- (5.67) Depth: 12 00:45:15 694963kN (Blass, Tel-aviv 15.04.2002) GM Smirin - Deep Shredder r1r3k1/1q1b1pPn/3p4/n1p1p1PQ/2p1P3/2PPB1N1/6B1/R4RK1 b - - 0 1 Analysis by Yace 0.99.56: 24...Kxg7 25.Qxh7+ -+ (-5.67) Depth: 12 00:00:00 866451kN 24...Kxg7 25.Rxf7+ Kg8 26.Qxh7# +- (#2) Depth: 12 00:00:00 866451kN 24...Nxg5 25.Bxg5 +- (3.29) Depth: 12 00:00:00 866451kN 24...Bc6 ² (0.37) Depth: 12 00:00:00 866451kN 24...Bc6 25.d4 ² (0.44) Depth: 12 00:00:00 866451kN 24...Bc6 25.g6 fxg6 26.Qxg6 ± (1.13) Depth: 12 00:00:00 866451kN 24...Bc6 25.g6 fxg6 ± (1.13) Depth: 12 00:00:00 866451kN 24...Bb5 25.Rfc1 ± (1.12) Depth: 12 00:00:00 866451kN 24...Bb5 25.d4 Nb3 ² (0.38) Depth: 12 00:00:00 5kN 24...Bb5 25.Nf5 Nc6 26.Rxa8 Rxa8 27.Nxd6 Kxg7 ± (0.78) Depth: 12 00:00:00 5kN 24...Bb5 25.Nf5 f6 26.Nxd6 +- (1.69) Depth: 12 00:00:00 5kN 24...Bc6 25.Nf5 f6 26.Nxd6 +- (1.68) Depth: 12 00:00:00 5kN 24...Be8 25.Rxa5 Rxa5 26.Rxf7 +- (1.67) Depth: 12 00:00:00 5kN 24...Be8 25.dxc4 Nb3 26.Rad1 ² (0.64) Depth: 12 00:00:00 5kN 24...Be8 25.g6 Nb3 26.gxh7+ Kxg7 ± (1.04) Depth: 12 00:00:00 5kN 24...Be8 25.g6 fxg6 26.Rf8+ Nxf8 27.Qh8+ Kf7 28.gxf8Q+ Ke6 +- (6.76) Depth: 12 00:00:00 5kN 24...Bc6 25.Rab1 Qc7 26.Rb7 +- (6.75) Depth: 12 00:00:00 5kN 24...Bc6 25.Nf5 Rc7 26.Nxd6 Qb2 27.Nxf7 cxd3 28.Nxe5 +- (2.13) Depth: 12 00:00:00 5kN 24...Bc6 25.Bh3 cxd3 26.Bxc8 Bxe4 +- (2.53) Depth: 12 00:00:01 152kN 24...Bc6 25.Bh3 Re8 26.Bf5 Kxg7 27.Qh6+ Kg8 28.Qxh7+ Kf8 +- (3.17) Depth: 12 00:00:01 152kN 24...Bb5 25.Nf5 Rc7 26.Rxa5 Rxa5 27.dxc4 +- (3.16) Depth: 12 00:00:01 152kN 24...Bb5 25.Bh3 Rcb8 26.Bf5 Kxg7 27.Qh6+ Kg8 +- (3.06) Depth: 12 00:00:01 152kN 24...Bb5 25.Bh3 Rcb8 26.Bf5 Kxg7 27.Qh6+ Kg8 28.Bxh7+ Kh8 29.Bg6+ Kg8 30.Rxa5 fxg6 31.Rxa8 Qxa8 32.dxc4 +- (3.46) Depth: 12 00:00:03 866kN 24...Bb5 25.Bh3 Rc7 26.Bf5 Kxg7 27.Qxh7+ Kf8 28.Qh8+ Ke7 29.Qf6+ Ke8 +- (3.96) Depth: 12 00:00:03 866kN 24...Bc6 25.Bh3 Rc7 26.Bf5 Kxg7 27.g6 +- (3.95) Depth: 12 00:00:03 866kN 24...Bc6 25.Bh3 Rc7 26.Bf5 Kxg7 27.Qxh7+ Kf8 28.Qh8+ Ke7 29.Qf6+ Ke8 30.Qxd6 +- (3.95) Depth: 12 00:00:04 1233kN 24...Bc6 25.Bh3 Rc7 26.Rxa5 Kxg7 27.Rxa8 Qxa8 28.Qh6+ Kg8 29.Qxd6 Qa5 30.Qxe5 Qxc3 +- (4.35) Depth: 12 00:00:07 2223kN 24...Bc6 25.Bh3 f5 26.Bxf5 Qxg7 27.Be6+ Kh8 28.Rf7 Qg8 29.Bxc8 Rxc8 +- (4.73) Depth: 12 00:00:10 2924kN 24...Bc6 25.Bh3 f5 26.gxf6 Rc7 27.Be6+ Rf7 28.Nf5 Qe7 29.fxe7 cxd3 +- (5.13) Depth: 12 00:00:20 6413kN 24...Bc6 25.Nf5 Be8 26.Rf3 f6 27.gxf6 Qxg7 28.Nh6+ Qxh6 29.f7+ Bxf7 30.Qxf7+ Kh8 31.Bxh6 cxd3 +- (9.87) Depth: 12 00:00:43 16023kN 24...Bh3 25.Bxh3 f5 26.gxf6 Rc7 27.Bf5 Rxg7 28.Rxa5 +- (9.86) Depth: 12 00:00:54 21011kN 24...Bh3 25.Bxh3 f5 26.gxf6 Rc7 27.Be6+ Rf7 28.Nf5 Rb8 29.Bxf7+ Qxf7 30.Qxf7+ Kxf7 31.Rxa5 Nxf6 +- (9.85) Depth: 12 00:00:56 21944kN 24...Bg4 25.Qxg4 +- (9.84) Depth: 12 00:01:10 27690kN 24...Bg4 25.Qxg4 Nc6 26.g6 fxg6 27.Rxa8 Rxa8 28.Rb1 Qxb1+ 29.Kh2 +- (4.33) Depth: 12 00:01:14 28829kN 24...Bg4 25.Qxg4 Nc6 26.Rxa8 Rxa8 27.dxc4 Ne7 28.Nf5 Nxf5 29.exf5 +- (4.17) Depth: 12 00:01:15 29223kN 24...Bg4 25.Qxg4 Nc6 26.g6 fxg6 27.Bh6 Qa7 28.Rxa7 Nxa7 +- (4.57) Depth: 12 00:01:20 30841kN 24...Bg4 25.Qxg4 +- (5.57) Depth: 12 00:01:25 32917kN 24...Bg4 25.Qxg4 Nc6 26.g6 fxg6 27.Qxg6 Qxg7 28.Qxg7+ Kxg7 29.Rxa8 Rxa8 30.Ra1 Rxa1+ 31.Kh2 +- (5.17) Depth: 12 00:02:03 46342kN 24...Bg4 25.Qxg4 Nc6 26.g6 fxg6 27.Rxa8 Rxa8 +- (5.16) Depth: 12 00:02:13 49697kN 24...Bg4 25.Qxg4 Nc6 26.g6 fxg6 27.Rxa8 Rxa8 28.Bh6 Qxg7 29.Bxg7 Nf6 30.Bxf6 Nd8 +- (5.56) Depth: 12 00:03:51 82218kN 24...Bg4 25.Qxg4 Nc6 26.g6 fxg6 27.Bh6 Qe7 28.Bh3 Nf6 29.Rxa8 Rxa8 30.Qe6+ Kh7 31.Rxf6 +- (5.88) Depth: 12 00:05:19 112230kN 24...Be6 25.Qh4 Kxg7 26.Nh5+ Kg8 27.Nf6+ Kf8 28.Qxh7 Ke7 29.Nd5+ Ke8 +- (5.67) Depth: 12 00:09:25 193218kN 24...Be6 25.Qh4 Kxg7 26.Nh5+ Kg8 27.Nf6+ Kf8 28.Qxh7 Ke7 29.Nd5+ Ke8 +- (5.67) Depth: 13 00:09:25 193463kN (Blass, Tel-aviv 15.04.2002) Uri
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