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Subject: Re: Tal-Bronstein 1974: Does any computer find the move?

Author: Ingo Bauer

Date: 15:20:20 09/22/03

Go up one level in this thread


Hi

>[D] 2r2k2/5p2/2p2p2/BpPb2p1/3R3p/1P1K1P1P/2P3P1/8 w - - 0 1

S7.04 on a Athlon XP 2200+ 512MB Hash. I stopped after Shredder lost the
"solution". The question is now if the Rxd5 is justified?

Bye Ingo

Engine: Shredder 7.04
by Stefan Meyer-Kahlen
 10/21	 0:00 	+0.25 	1.c4 bxc4+ 2.bxc4 Be6 3.Bd8 Kg7 4.Rd6 Ra8 5.Ke4 Kg6 6.Be7
Ra6 (263.349) 421.3
 11/21	 0:01 	+0.24 	1.c4 bxc4+ 2.bxc4 Be6 3.Rd6 Ke7 4.Bd2 Rd8 5.Bc3 Rd7 6.Bb2
Bf5+ 7.Ke3 Rxd6 8.cxd6+ (699.070) 456.6
 12/23	 0:02 	+0.26 	1.c4 bxc4+ 2.bxc4 Be6 3.Bd8 Kg7 4.Rd6 Ra8 5.Kc2 (1.228.703)
465.2
 13/26	 0:04 	+0.20 	1.c4 bxc4+ 2.bxc4 Be6 3.Rd6 Ke7 4.Bd2 Rd8 5.Rxd8 Kxd8 6.f4
gxf4 7.Be1 f3 8.gxf3 (2.356.395) 472.6
 14/26	 0:08 	+0.19 	1.c4 bxc4+ 2.bxc4 Be6 3.Rd6 Ke7 4.Bd2 Rd8 5.Rxd8 Kxd8 6.f4
gxf4 7.Bxf4 Kd7 8.Kd4 Bf5 9.Bd6 Ke6 (4.071.142) 472.8
 15/27	 0:14 	+0.18 	1.c4 bxc4+ 2.bxc4 Be6 3.Rd6 Ke7 4.Bd2 Rd8 5.Rxd8 Kxd8 6.f4
gxf4 7.Be1 f3 8.gxf3 Ke7 9.Bxh4 (6.972.769) 473.2
 16/29	 0:24 	+0.22 	1.c4 bxc4+ 2.bxc4 Be6 3.Rd6 Ke7 4.Bd2 Rd8 5.Rxd8 Kxd8 6.f4
g4 7.hxg4 Bxg4 8.Ke4 f5+ 9.Kd4 Ke7 10.Be1 h3 11.gxh3 Bxh3 (11.551.551) 470.5
 17/34	 0:38 	+0.21 	1.c4 bxc4+ 2.bxc4 Be6 3.Rd6 Ke7 4.Bd2 Rd8 5.Rxd8 Kxd8 6.f4
g4 7.hxg4 Bxg4 8.Ke4 f5+ 9.Kd4 Kd7 10.Be1 h3 11.gxh3 Bxh3 (18.066.816) 465.8
 18/35	 1:24 	+0.18 	1.c4 bxc4+ 2.bxc4 Be6 3.Rd6 Kg7 4.Bd2 Kg6 5.Kd4 f5 6.f4 g4
7.Ke5 Kh5 8.hxg4+ Kxg4 9.Be3 Bxc4 10.Rf6 (38.085.441) 448.9
 19/42	 2:46 	+0.18 	1.c4 bxc4+ 2.bxc4 Be6 3.Rd6 Kg7 4.Bc3 Kg6 5.Kc2 f5 6.Kd3 f4
7.Ke4 Kh5 8.Kd3 (73.073.364) 439.6
 19/42	 3:49 	+0.19++	1.Rxd5 cxd5 2.Kd4 Kg7 (100.680.858) 439.3
 19/42	 3:50 	+0.19 	1.Rxd5 cxd5 2.Kd4 Ke7 3.Kxd5 Kd7 4.c4 bxc4 5.Kxc4 Re8 6.b4
Ra8 7.Kd5 Ra6 8.Kd4 Ra8 9.Ke3 (101.382.706) 439.6
 20/42	 4:23 	+0.44++	1.Rxd5 cxd5 2.Kd4 Ke7 3.Kxd5 Kd7 4.b4 Re8 5.c6+ Kc8 6.c4
Re5+ 7.Kd4 bxc4 8.Kxc4 Re6 9.b5 Re2 (116.182.873) 441.6
 20/42	 4:31 	+0.48 	1.Rxd5 cxd5 2.Kd4 Ke7 3.Kxd5 Kd7 4.b4 Re8 5.c6+ Kc8 6.c4
Re5+ 7.Kd4 bxc4 8.Kxc4 Re2 9.b5 f5 10.b6 Re4+ 11.fxe4 Kd8 (119.962.955) 442.3
 21/31	 5:50 	+0.23--	1.Rxd5 cxd5 2.Kd4 Ke7 3.Kxd5 Kd7 4.b4 Re8 5.c6+ Kc8 6.c4
bxc4 7.Kxc4 Re2 8.b5 Rxg2 9.b6 Rg3 10.b7+ Kb8 11.Kb4 (153.984.135) 439.4
 21/34	 6:09 	+0.16 	1.Rxd5 cxd5 2.Kd4 Ke7 3.Kxd5 Kd7 4.b4 Re8 5.c6+ Kc8 6.c4
bxc4 7.Kxc4 Re2 8.b5 Rxg2 9.b6 Rg3 10.b7+ Kb8 11.Kd5 (162.324.407) 439.8
 21/45	 7:43 	+0.17++	1.c4 bxc4+ 2.bxc4 Be6 3.Rd6 Re8 (202.046.084) 435.8
 21/45	10:12 	+0.17 	1.c4 bxc4+ 2.bxc4 Be6 3.Rd6 Kg7 4.Bd2 Kg6 5.Kc2 Bxc4 6.f4
gxf4 7.Be1 Bd5 8.Kc3 Bxg2 9.Kd2 (263.779.619) 431.0
best move: c2-c4 time: 11:16.219 min  n/s: 428.787  CPU 98.0%  nodes:
289.953.985 TB: 28



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