Author: Anson T J
Date: 06:35:42 05/17/03
Go up one level in this thread
>Some of my old Novag chess machines show >1. Qg6 as the best move here...! > >My old Novag Forte found it in about one hour! > [D]r3r1k1/1bq3p1/p1np4/1pp1pQN1/4P3/2PP4/PP3PPP/R3R1K1 w - - Hi, I think this problem is very simple for modern programs on modern hardware. Hardware Dual AMD 2400+ / 2 Cpus for the SMP programs, 1 for the non SMP progs. time (rounded to the nearest second) / Program Dual Cpu: 0 / Deep Fritz 7 1 / Shredder 7.04 6 / Deep Junior 7 Single Cpu: 0 / Fritz 8 2 / Chess Tiger 14 92 /Hiarcs 8 Appendix: Analysis by Deep Fritz 7: 1.Qg6! ± (0.91) Depth: 8/28 00:00:00 824kN 1.Qg6! ± (1.06) Depth: 8/28 00:00:00 921kN 1.Qg6! ± (1.34) Depth: 9/27 00:00:00 1323kN 1.Qg6! +- (1.63) Depth: 10/26 00:00:01 2468kN 1.Qg6! +- (1.91) Depth: 10/27 00:00:01 2964kN 1.Qg6! +- (2.47) Depth: 10/31 00:00:01 3594kN 1.Qg6! Nd4 2.cxd4 exd4 3.Qh7+ Kf8 4.f4 Qd7 5.f5 Bc6 6.Qh8+ Ke7 7.Qxg7+ +- (3.47) Depth: 10/40 00:00:06 12512kN 1.Qg6! +- (3.75) Depth: 11/37 00:00:07 16091kN 1.Qg6 Nd4 2.cxd4 exd4 3.Qh7+ Kf8 4.f4 Qd7 5.f5 Bc6 6.Qh8+ Ke7 7.Qxg7+ Kd8 8.Qxd7+ Kxd7 9.g4 Re7 +- (3.69) Depth: 12/33 00:00:09 20515kN 1.Qg6 Nd4 2.cxd4 exd4 3.Qh7+ Kf8 4.f4 Qd7 5.f5 Bc6 6.Rf1 Ke7 7.Ne6 Rg8 8.Nxg7 +- (3.81) Depth: 13/39 00:00:16 33878kN 1.Qg6! +- (4.09) Depth: 14/38 00:00:35 72443kN Analysis by Shredder 7.04: 1.Qg6 b4 2.Re3 Qe7 3.Qh7+ Kf8 4.Qh8# +- (1.55) Depth: 8/26 00:00:01 592kN 1.Qg6 b4 2.Re3 d5 3.exd5 Na5 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qxg7+ Kd8 7.Ne6+ Rxe6 8.Qxc7+ Kxc7 9.dxe6 +- (1.90) Depth: 8/26 00:00:01 752kN 1.Qg6 Na7 2.Re3 Bxe4 3.dxe4 Kh8 4.Rf3 d5 5.exd5 +- (4.13) Depth: 8/26 00:00:01 1278kN 1.Qg6 Nd4 2.cxd4 exd4 3.f4 Bxe4 4.dxe4 Rab8 5.Qh7+ Kf8 +- (4.37) Depth: 9/25 00:00:02 1503kN 1.Qg6 Nd4 2.cxd4 exd4 3.f4 b4 4.a3 d5 5.Qh7+ Kf8 6.Qh8+ Ke7 7.Qxg7+ Kd8 +- (4.61) Depth: 10/30 00:00:02 2125kN 1.Qg6 Nd4 2.cxd4 exd4 3.f4 Qd7 4.Rec1 Rec8 5.Qh7+ Kf8 6.Qh8+ Ke7 7.Qxg7+ Kd8 8.Nf7+ Kc7 +- (4.67) Depth: 11/31 00:00:04 3569kN 1.Qg6 Nd4 2.cxd4 exd4 3.f4 Kf8 4.Qf5+ Kg8 5.Rad1 g6 6.Qxg6+ Qg7 7.Qxd6 +- (4.88) Depth: 12/32 00:00:08 6806kN 1.Qg6 Nd4 2.cxd4 exd4 3.f4 Kf8 4.Qf5+ Kg8 5.Qh7+ Kf8 6.f5 Bxe4 7.Nxe4 Qb8 8.Qh8+ Kf7 9.Qh5+ Kf8 10.Qh7 +- (5.13) Depth: 13/34 00:00:17 14523kN 1.Qg6 Nd4 2.cxd4 exd4 3.f4 Kf8 4.Qf5+ Kg8 5.Qh7+ Kf8 6.f5 c4 7.Rac1 Rac8 +- (5.21) Depth: 13/34 00:00:21 17527kN 1.Qg6 Nd4 2.cxd4 exd4 3.f4 Kf8 4.Qf5+ Kg8 5.Qh7+ Kf8 6.f5 c4 7.Ne6+ Rxe6 8.fxe6 cxd3 9.Qh8+ Ke7 10.Qxg7+ Kxe6 11.Qxc7 +- (5.46) Depth: 14/40 00:00:34 27891kN 1.Qg6 Nd4 2.cxd4 exd4 3.f4 Kf8 4.Qf5+ Kg8 5.Qh7+ Kf8 6.f5 c4 7.Ne6+ Rxe6 8.fxe6 a5 +- (5.96) Depth: 14/40 00:00:53 42245kN Analysis by Deep Junior 7: 1.Qg6! +- (2.69) Depth: 15 00:00:06 16823kN 1.Qg6! +- (2.99) Depth: 18 00:00:08 23447kN 1.Qg6! Nd4 2.cxd4 exd4 3.f4 c4 4.Rac1 Bc6 5.Qh7+ Kf8 6.Qh8+ Ke7 7.Qxg7+ Kd8 8.Nf7+ Kd7 +- (3.50) Depth: 18 00:00:47 136098kN Analysis by Fritz 8: 1.Qg6! ± (0.91) Depth: 8/27 00:00:00 612kN 1.Qg6! ± (1.06) Depth: 8/27 00:00:00 678kN 1.Qg6! ± (1.38) Depth: 8/27 00:00:00 772kN 1.Qg6! +- (2.00) Depth: 8/27 00:00:00 884kN 1.Qg6! Nd4 2.cxd4 cxd4 3.Qh7+ Kf8 4.f4 Bc8 5.fxe5 dxe5 6.Rf1+ +- (2.66) Depth: 8/37 00:00:02 2714kN 1.Qg6! +- (2.94) Depth: 9/27 00:00:02 3141kN 1.Qg6! +- (3.22) Depth: 9/27 00:00:03 3417kN 1.Qg6 Nd4 2.cxd4 cxd4 3.Qh7+ Kf8 4.h3 Qd7 +- (3.19) Depth: 10/29 00:00:04 4443kN 1.Qg6! +- (3.47) Depth: 11/33 00:00:06 7001kN 1.Qg6! +- (3.75) Depth: 11/33 00:00:08 9560kN Analysis by Chess Tiger 14.0: 1.Qg6 +- (1.64) Depth: 8 00:00:02 1161kN 1.Qg6 Nd4 2.cxd4 cxd4 3.f4 exf4 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qxg7+ Kd8 7.Qxd4 +- (3.14) Depth: 8 00:00:03 1776kN 1.Qg6 Nd4 2.cxd4 exd4 3.Qh7+ Kf8 4.f4 Ke7 5.Qxg7+ Kd8 6.Nf7+ Kd7 7.f5 +- (3.24) Depth: 9 00:00:04 2182kN 1.Qg6 Nd4 2.Re3 Ne6 3.Nxe6 Qf7 4.Qxf7+ Kxf7 5.Nc7 Ke7 6.Nxa8 Rxa8 7.Rh3 +- (3.98) Depth: 10 00:00:07 3783kN 1.Qg6 Nd4 2.Re3 Ne6 3.Nxe6 Qf7 4.Qxf7+ Kxf7 5.Nc7 Rh8 6.Nxa8 Bxa8 7.f3 +- (4.04) Depth: 11 00:00:18 9893kN 1.Qg6 Nd4 2.Re3 Ne6 3.Nxe6 Qf7 4.Qxf7+ Kxf7 5.Nc7 Rh8 6.Nxa8 Bxa8 7.Rf3+ Ke7 8.Rf5 +- (3.94) Depth: 12 00:00:25 12972kN Analysis by Hiarcs 8: 1.Qg6 Nd4 +- (3.58) Depth: 10/36 00:01:32 23247kN 1.Qg6 Nd4 2.Re3 Ne2+ 3.Rxe2 d5 4.Qh7+ Kf8 5.Qh8+ Ke7 6.Qxg7+ Kd8 7.Qf6+ Kc8 8.Qf5+ Qd7 +- (4.04) Depth: 10/36 00:01:39 24835kN
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