Author: Roy Eassa
Date: 09:22:32 06/04/02
Go up one level in this thread
On June 04, 2002 at 12:17:35, Roy Eassa wrote: >On June 04, 2002 at 05:03:42, Andrew Williams wrote: > >>This is from an ICC game between PostModernist and Crafty. The key here is Nb2! >>How long does it take your program to find it? >> >>[D]1r1r2k1/p5pp/4ppq1/2b5/nP6/4P1P1/P2BQ1BP/R2R3K b - b3 0 1 bm Nb2 >> >>It took crafty 10 seconds on Bob's quad Xeon 700MHz (with the benefit of full >>hashtables of course). It takes sixty seconds for PM to find it on my Athlon >>1200. >> > > F7 still only moderately convinced after 3 minutes: 23...Bd6 24.Be1 Nb6 25.Rac1 Be5 26.b5 Rxd1 27.Rxd1 f5 = (-0.07) Depth: 8/22 00:00:00 240kN 23...Bd6 24.Be1 Nb6 25.Rac1 Be5 26.b5 f5 27.Rxd8+ Rxd8 28.Qf3 = (-0.13) Depth: 9/22 00:00:00 492kN 23...Bd6 24.Be1 Nb6 25.b5 Nd5 26.Rac1 Be5 27.Rc6 Rb6 28.Bf2 Rxc6 = (-0.04) Depth: 10/25 00:00:01 1000kN 23...Bd6 24.Be1 Nb6 25.b5 Nd5 26.Rac1 Be5 27.e4 Nc7 28.Rxd8+ Rxd8 29.Bf2 = (0.00) Depth: 11/25 00:00:04 2483kN 23...Bd6 24.Be1 Nb6 25.b5 Be5 26.Rxd8+ Rxd8 27.Rd1 Rc8 28.Qf3 f5 29.e4 Rf8 = (0.00) Depth: 12/28 00:00:11 6762kN 23...Nb2! = (-0.04) Depth: 12/28 00:00:13 8488kN 23...Nb2! = (-0.19) Depth: 12/28 00:00:15 9391kN 23...Nb2 24.bxc5 Nxd1 25.Rxd1 Qc2 26.Bf3 Rb2 27.Qa6 Rxd2 28.Rxd2 Qxd2 29.Qxe6+ Kf8 30.Qc8+ Kf7 = (0.00) Depth: 13/29 00:00:24 15550kN 23...Nb2 24.bxc5 Nxd1 25.Rxd1 Qc2 26.Bf3 Rb2 27.Qa6 Rb1 28.Re1 Rxd2 29.Qxe6+ = (-0.13) Depth: 14/32 00:00:53 35414kN 23...Nb2! ³ (-0.41) Depth: 15/37 00:02:18 94410kN 23...Nb2 24.bxc5 Nxd1 25.Rxd1 Qc2 26.Bh3 Rb2 27.Bxe6+ Kf8 28.Bb3 Rxd2 29.Rxd2 Qxd2 ³ (-0.44) Depth: 15/37 00:02:46 114164kN
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