Author: m.d.hurd
Date: 08:00:19 01/22/05
Go up one level in this thread
On January 22, 2005 at 10:21:32, Ingo Bauer wrote: >On January 22, 2005 at 10:07:51, Ingo Bauer wrote: > >>Hello >> >>I want to share this nice position. Most engines have a hard time to avoid Qxc5 >>but if you make the move (QxQ KxQ) manualy it is easy for the most. >> >>(Progs have a hard time going to a certain depth with the queens on baord, even >>if it is just a capture and recapture, but if the Queens are off they go to a >>great depth quite fast) >> >>[D]2q1k3/1p3p2/4P1pp/P1Qp3P/3K1P2/1P6/8/8 b - - > >I forgot to mention that the only engine I checked that consequently avoided >Qxc5 was Hiarcs 9, but I beleive it does it for the wrong reason. If I made the >move QxQ manualy it needed quite long to see the disaster! > >Bye >Ingo Hello Ingo List 512 manages to avoid QxQ, What does Shredder 9 RC do ? New game, 120'/40+60'/20+30' 2q1k3/1p3p2/4P1pp/P1Qp3P/3K1P2/1P6/8/8 b - - 0 1 Analysis by List 512: 1...Qxe6 2.Qb5+ Qd7 3.Qxd7+ Kxd7 4.hxg6 fxg6 5.Kxd5 h5 = (-0.05) Depth: 5 00:00:00 1...Qxe6 2.Qb5+ Qd7 3.Qxd7+ Kxd7 4.hxg6 fxg6 5.Kxd5 h5 6.b4 = (0.16) Depth: 6 00:00:01 15kN 1...Qxe6 2.Qb5+ Qd7 3.Qe2+ Kf8 4.hxg6 fxg6 5.Qe5 Qf7 6.Qh8+ Ke7 = (-0.04) Depth: 7 00:00:01 84kN 1...Qxe6 2.Qb5+ Qd7 3.Qxd7+ Kxd7 4.hxg6 fxg6 5.Kxd5 h5 6.b4 h4 7.b5 = (0.01) Depth: 8 00:00:02 251kN 1...Qxc5+ 2.Kxc5 gxh5 3.exf7+ Kxf7 4.Kxd5 h4 5.Ke4 h3 6.Kf3 Ke6 7.b4 = (0.00) Depth: 8 00:00:02 285kN 1...Qxc5+ 2.Kxc5 gxh5 3.Kb6 h4 4.Kxb7 h3 5.a6 h2 6.a7 h1Q 7.exf7+ Kxf7 8.a8Q = (-0.20) Depth: 9 00:00:03 357kN 1...Qxc5+ 2.Kxc5 gxh5 3.exf7+ Kxf7 4.Kxd5 h4 5.Ke4 h3 6.Kf3 Ke6 7.Kg3 Kf5 8.b4 ³ (-0.26) Depth: 10 00:00:03 734kN 1...Qxc5+ 2.Kxc5 gxh5 3.exf7+ Kxf7 4.Kxd5 h4 5.Ke4 h3 6.Kf3 Ke6 7.Kg3 Kf5 8.b4 h5 ³ (-0.45) Depth: 11 00:00:09 1611kN 1...Qxe6 2.Qb5+ Qd7 3.Qe2+ Kf8 4.Qe5 gxh5 5.Qf6 Qg4 6.Qd6+ Kg7 7.Qe5+ Kg6 8.Kxd5 Qd1+ ³ (-0.55) Depth: 11 00:00:10 6757kN 1...Qxe6 2.hxg6 fxg6 3.Qxd5 Qxd5+ 4.Kxd5 h5 5.b4 h4 6.Ke4 h3 7.Kf3 Ke7 8.Kg3 h2 = (-0.15) Depth: 12 00:00:16 14235kN 1...Qxe6 2.hxg6 fxg6 3.Qxd5 Qxd5+ 4.Kxd5 h5 5.b4 h4 6.Ke4 Kd7 7.Kf3 Kc6 8.Kg4 Kb5 = (-0.08) Depth: 12 00:00:21 22480kN 1...Qxc5+ 2.Kxc5 gxh5 3.exf7+ Kxf7 4.Kxd5 h4 5.Ke4 h3 6.Kf3 Ke6 7.Kg3 Kf5 8.b4 h5 ³ (-0.34) Depth: 12 00:00:22 23013kN 1...Qxc5+ 2.Kxc5 gxh5 3.exf7+ Kxf7 4.Kxd5 h4 5.Ke4 h3 6.Kf3 Ke6 7.Kg3 Kf5 8.b4 h5 ³ (-0.42) Depth: 13 00:00:28 24206kN 1...Qxc5+ 2.Kxc5 gxh5 3.exf7+ Kxf7 4.Kxd5 h4 5.Ke4 Kf6 6.Kf3 Kf5 7.b4 h3 8.Kg3 h2 ³ (-0.42) Depth: 14 00:00:35 29796kN 1...Qxc5+ 2.Kxc5 gxh5 3.exf7+ Kxf7 4.Kxd5 h4 5.Ke4 Kf6 6.Kf3 Kf5 7.b4 h3 8.Kg3 h2 ³ (-0.32) Depth: 15 00:00:41 41169kN 1...Qxc5+ 2.Kxc5 gxh5 3.exf7+ Kxf7 4.Kxd5 h4 5.Ke4 Kf6 6.Kf3 Kf5 7.b4 h3 8.Kg3 h2 = (0.08) Depth: 16 00:01:13 79489kN 1...Qxc5+ 2.Kxc5 gxh5 3.exf7+ Kxf7 4.Kxd5 h4 5.Ke4 h3 6.Kf3 Ke6 7.b4 Kd5 8.Kg3 Kc4 ± (0.95) Depth: 16 00:01:20 87254kN 1...Qxe6 2.hxg6 fxg6 3.Qxd5 Qxd5+ 4.Kxd5 h5 5.b4 h4 6.Ke4 Kd7 7.Kf3 Kc6 8.Kg4 Kb5 ² (0.55) Depth: 16 00:01:53 120262kN 1...Qxe6 2.hxg6 fxg6 3.Qxd5 Qe7 4.Qg8+ Kd7 5.Qxg6 Qb4+ 6.Ke5 Qxa5+ 7.Ke4 Qb4+ 8.Ke5 Qc5+ = (-0.15) Depth: 16 00:04:58 314432kN 1...Qxe6 2.hxg6 fxg6 3.Qxd5 Qe7 4.Qg8+ Kd7 5.Qxg6 Qb4+ 6.Ke5 Qxa5+ 7.Ke4 Qb4+ 8.Ke5 Qc5+ = (-0.15) Depth: 17 00:10:58 685908kN (Mike, n/a 22.01.2005) Regards Mike
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