Author: Aaron Gordon
Date: 14:49:03 05/02/04
Go up one level in this thread
Even the top engines have problems it seems. Check out the nasty branch factor on the last few lines of Shredder 8's analysis. Dual Athlon 2GHz (2400+), 256mb hash: Shredder 8 : 1:29 Shredder 7.04 : 0:23 Deep Fritz 8 : 4:13 Deep Junior 8 : 3:09 [D]r1bk3r/pp2n2p/2n2N2/1R1p3Q/2p4P/P1p5/2qBBPP1/4K2R w K - 0 1 Analysis by Shredder 8: 1.Bg5 Be6 2.Nxd5 a6 3.Nxe7 axb5 4.Nxc6+ Kc8 5.Ne7+ Kc7 6.Bf4+ Kd8 7.0-0 Kxe7 8.Qxh7+ Rxh7 +- (1.47) Depth: 11/28 00:00:02 2099kN 1.Bg5 Be6 2.Nxd5 a6 3.Nxe7 axb5 4.Nxc6+ Kc8 5.Ne7+ Kc7 6.Bf4+ Kd7 7.Qg5 Rhe8 8.Nd5 +- (1.47) Depth: 11/34 00:00:03 2612kN 1.Bg5 h6 2.Nxd5 Rh7 3.Qf3 Nd4 4.Qf8+ Kd7 5.Nf6+ Ke6 6.Bxc4+ Kd6 7.Nxh7 Qxh7 8.Qxh6+ Be6 9.Qxh7 +- (1.69) Depth: 12/39 00:00:16 12190kN 1.Bg5 a6 2.Rxd5+ Kc7 3.0-0 b5 4.Rc5 Rd8 5.Rc1 Qb2 6.Bf3 Qxf2+ 7.Kxf2 Rd7 8.Nxd7 +- (1.90) Depth: 13/41 00:00:39 29566kN 1.Bg5 a6 2.Rxd5+ Kc7 3.Bf4+ Kb6 4.Be3+ Kc7 5.0-0 b6 6.Qf3 Kb7 7.Rd6 Qf5 8.Bxc4 Qxf3 9.Rxc6 +- (1.74) Depth: 14/44 00:01:07 50431kN 1.Rxd5+ Nxd5 2.Qxd5+ Kc7 3.Qf7+ Kd8 4.Bg5 h6 5.Qd5+ Kc7 6.Bf4+ Kb6 7.Qxc4 Qb1+ 8.Bd1 Qxd1+ 9.Kxd1 Bg4+ 10.Nxg4 Rad8+ 11.Ke1 Rd1+ 12.Kxd1 c2+ 13.Kxc2 Nb4+ 14.axb4 +- (1.75) Depth: 14/49 00:01:29 68327kN 1.Rxd5+ Nxd5 2.Qxd5+ Kc7 3.Qf7+ Kd8 4.Bg5 h6 5.Qd5+ Kc7 6.Bf4+ Kb6 7.Qxc4 Qb1+ 8.Bd1 Qxd1+ 9.Kxd1 Bg4+ 10.Nxg4 Rad8+ 11.Ke1 Rd1+ 12.Kxd1 c2+ 13.Kxc2 Nb4+ 14.axb4 +- (2.10) Depth: 14/49 00:01:38 74609kN 1.Rxd5+ Nxd5 2.Qxd5+ Ke7 3.Qc5+ Kf7 4.Bh5+ Kg7 5.Qg5+ Qg6 6.Bxg6 cxd2+ 7.Kxd2 hxg6 8.h5 Bf5 9.h6+ Kf7 10.Nd5 Nd4 11.Rh4 Rad8 +- (3.88) Depth: 14/49 00:07:55 395995kN 1.Rxd5+ Nxd5 2.Qxd5+ Ke7 3.Qc5+ Kf7 4.Bh5+ Kg7 5.Qg5+ Qg6 6.Bxg6 cxd2+ 7.Kxd2 hxg6 8.h5 Bf5 9.h6+ Kf7 10.Nd5 Nd4 11.Rh4 Rad8 +- (4.13) Depth: 15/51 00:08:32 424608kN Analysis by Shredder 7.04: 1.Bg5 a6 2.Rxd5+ Kc7 3.Bf4+ Kb6 4.Be3+ Kc7 5.0-0 Kb8 6.Rd4 b5 7.Rdd1 Rd8 8.Qxb5+ axb5 +- (1.50) Depth: 11/37 00:00:20 15840kN 1.Rxd5+ Nxd5 2.Qxd5+ Kc7 3.Bf4+ Kb6 4.Qxc4 Qb1+ 5.Bd1 Qxd1+ 6.Kxd1 Bg4+ 7.Nxg4 c2+ 8.Kxc2 Rae8 +- (1.51) Depth: 11/37 00:00:23 17991kN 1.Rxd5+ Nxd5 2.Qxd5+ Kc7 3.Bf4+ Kb6 4.Qxc4 Qb1+ 5.Bd1 Qxd1+ 6.Kxd1 Bg4+ 7.Nxg4 c2+ 8.Kxc2 a5 9.Be3+ Kc7 10.Qc3 +- (1.86) Depth: 11/37 00:00:23 18490kN 1.Rxd5+ Nxd5 2.Qxd5+ Ke7 3.Qc5+ Kxf6 4.Qg5+ Kf7 5.Bh5+ Ke6 6.Bg4+ Kf7 7.Qd5+ Kf8 8.Bh6+ Ke7 9.Bg5+ Kf8 10.Qd6+ Kg7 11.Bh6+ Kf7 12.Bh5+ Qg6 13.Bxg6+ hxg6 14.Qc7+ +- (2.07) Depth: 11/42 00:00:46 37461kN 1.Rxd5+ Nxd5 2.Qxd5+ Ke7 3.Qc5+ Kxf6 4.Qg5+ Kf7 5.Bh5+ Ke6 6.Bg4+ Kf7 7.Qd5+ Kf8 8.Bh6+ Ke7 9.Bg5+ Kf8 10.Qd6+ Kg7 11.Bh6+ Kf7 12.Bh5+ Qg6 13.Bxg6+ hxg6 14.Qf4+ Bf5 +- (2.26) Depth: 12/39 00:01:04 51629kN Analysis by Deep Fritz 8: 1.Rxd5+! = (-0.03) Depth: 7/23 00:00:00 211kN 1.Rxd5+ Nxd5 = (0.00) Depth: 7/33 00:00:00 343kN 1.Rxd5+ Nxd5 2.Qxd5+ Ke7 3.Qc5+ Kxf6 4.Qg5+ Kf7 5.Bh5+ Ke6 6.Bg4+ Kf7 7.Bh5+ = (0.00) Depth: 8/24 00:00:00 412kN 1.Rxd5+! ² (0.28) Depth: 9/32 00:00:00 1309kN 1.Rxd5+ Nxd5 2.Qxd5+ Ke7 3.Bg5 Qb1+ 4.Bd1 h6 5.Ng8+ Ke8 6.0-0 Kf8 7.Nxh6 Qg6 ² (0.34) Depth: 9/32 00:00:00 1414kN 1.Rxd5+ Nxd5 2.Qxd5+ Ke7 3.Bg5 Qb1+ 4.Bd1 h6 5.Ng8+ Ke8 6.0-0 Kf8 7.Nxh6 Qg6 ² (0.34) Depth: 10/31 00:00:01 2956kN 1.Rxd5+-- = (0.06) Depth: 11/34 00:00:04 8815kN 1.Rxd5+ Nxd5 2.Qxd5+ = (0.06) Depth: 11/38 00:00:04 9421kN 1.Bg5! = (0.06) Depth: 11/38 00:00:06 13220kN 1.Bg5! = (0.22) Depth: 11/38 00:00:06 14206kN 1.Bg5 a6 2.Bd1 Qg6 3.Rxd5+ Kc7 4.Bf4+ Kb6 5.Qxg6 hxg6 6.Be3+ Kc7 7.Rc5 Rf8 8.Nd5+ Nxd5 ² (0.50) Depth: 11/38 00:00:09 19939kN 1.Bg5! ± (0.79) Depth: 12/39 00:00:20 43262kN 1.Bg5 a6 2.Rxd5+ Kc7 3.0-0 b5 4.Bf4+ Kb6 5.Be3+ Ka5 6.Rc5 Qg6 7.Bxc4 Qxh5 ± (1.02) Depth: 13/41 00:01:04 141116kN 1.Bg5! ± (1.30) Depth: 14/47 00:02:38 345492kN 1.Bg5 a6 2.Rxd5+ Kc7 3.0-0 Kb8 4.Nd7+ Bxd7 5.Rxd7 Ng6 6.Bf6 Rf8 7.Qxh7 Ra7 8.Bd1 Qf5 ± (1.40) Depth: 14/47 00:03:40 480953kN 1.Rxd5+! ± (1.40) Depth: 14/47 00:04:13 555028kN 1.Rxd5+! +- (1.56) Depth: 14/47 00:04:18 564847kN 1.Rxd5+! +- (1.87) Depth: 14/48 00:04:59 655660kN 1.Rxd5+! +- (2.50) Depth: 14/48 00:05:21 703060kN 1.Rxd5+ Nxd5 2.Qxd5+ Ke7 3.Qc5+ Kf7 4.Bh5+ Kg7 5.Qg5+ Qg6 6.Bxg6 cxd2+ 7.Qxd2 hxg6 8.Qc3 Rd8 +- (2.88) Depth: 14/58 00:05:52 771237kN Analysis by Deep Junior 8: 1.Bf4 Qf5 2.Qxf5 Bxf5 3.Nxd5 Nd4 4.Nxe7 Nxb5 5.Nxf5 Rf8 6.Nd6 Nxd6 7.Bxd6 c2 8.0-0 Rf6 9.Be5 ² (0.44) Depth: 12 00:00:09 34357kN 1.Bg5 a6 2.Rxd5+ Kc7 3.0-0 Rf8 4.Bf4+ Kb6 5.Qg5 Ka7 6.Be3+ b6 7.Qg7 ² (0.66) Depth: 12 00:00:20 34357kN 1.Rxd5+ Nxd5 2.Qxd5+ Ke7 3.Bg5 Qb1+ 4.Bd1 h6 5.Ng8+ Kf8 6.Nxh6 Be6 7.Qf3+ Ke8 8.Qxc3 Qe4+ 9.Be2 Nd4 10.Qe3 ² (0.67) Depth: 12 00:00:25 82042kN 1.Rxd5+! ± (0.97) Depth: 14 00:00:35 131981kN 1.Bg5 a6 2.Bd1 Qg6 3.Rxd5+ Kc7 4.Bf4+ Kb6 5.Qf3 Ka7 6.Rd6 c2 7.Qe3+ b6 8.Bf3 Qf5 9.Bxc6 Qa5+ 10.Kf1 ± (1.07) Depth: 14 00:01:28 218041kN 1.Bg5! ± (1.37) Depth: 15 00:02:56 651965kN 1.Rxd5+! +- (1.57) Depth: 15 00:03:09 652048kN
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