Author: John Merlino
Date: 11:58:11 04/21/04
Go up one level in this thread
On April 21, 2004 at 14:27:58, Gerd Isenberg wrote: >IsiChess MMX, Athlon XP 2.8+ 256MB has some problems to avoid the terrible Qxh6 >(40 seconds) and to switch to Qh4 and the "obvious" Nc6+ later, winning the >exchange for a pawn. > >I found that a bit strange - do other programs have similar problems? > >[D]1rb3r1/4kp2/p2q1n1p/Pp1p1P2/3NpQ2/2P2B2/2P3PP/R3R2K w - - am Qxh6 > >Thanks, >Gerd CM_SKR on an AMD 2500+ avoids Qxh6 in less than one second. It takes just over a minute to decide that Nc6+ is (slightly) better than Qh4: Time Depth Score Positions Moves 0:00 1/3 1.65 2487 1.Qxh6 Bd7 2.Rad1 Rgc8 0:00 1/4 1.65 5731 1.Qxh6 Bd7 2.Rad1 Rgc8 0:00 1/5 0.92 28815 1.Qxh6 Bd7 2.g3 Rbc8 3.Re3 0:00 1/5 1.17 65563 1.Nc6+ Qxc6 2.Qxb8 Kf8 3.Be2 Qxc3 4.Qb6 Bxf5 5.Qxa6 0:00 1/6 1.05 89230 1.Nc6+ Qxc6 2.Qxb8 Kf8 3.Be2 Qxc3 4.Qb6 Kg7 0:00 1/7 0.68 189112 1.Nc6+ Qxc6 2.Qxb8 Bxf5 3.Qa7+ Kf8 4.Be2 Bc8 5.Qd4 Bg4 6.Bxg4 Rxg4 0:01 1/8 0.66 443190 1.Nc6+ Qxc6 2.Qxb8 Qxc3 3.Qb6 Kf8 4.Be2 Kg7 5.Rab1 Qxc2 0:03 1/8 0.75 728173 1.Qh4 Bb7 2.Re3 Rbc8 3.Rd1 Rh8 4.Rdd3 Kd7 0:07 1/9 0.54 1592907 1.Qh4 Bb7 2.c4 bxc4 3.Rab1 Ba8 4.Rxb8 Rxb8 5.Qxh6 Kd7 0:17 1/10 0.63 4216101 1.Qh4 Bb7 2.c4 bxc4 3.c3 Kd7 4.Be2 e3 5.Qxh6 Ne4 6.Qxe3 0:52 1/11 0.48 13165928 1.Qh4 Bd7 2.Rad1 Rbe8 3.Re3 h5 4.Be2 Kf8 5.Rf1 Rh8 6.Ne6+ Bxe6 7.Qxf6 1:03 1/11 0.54 16048851 1.Nc6+ Qxc6 2.Qxb8 Bxf5 3.Qa7+ Nd7 4.Be2 Qc5 5.Qxc5+ Nxc5 6.Rad1 Be6 7.Kg1 Kd6 1:45 1/12 0.54 28193277 1.Nc6+ Qxc6 2.Qxb8 Qxc3 3.Qb6 Kf8 4.Qd6+ Kg7 5.Be2 Re8 6.Rad1 Qxa5 7.Qg3+ Kh8 8.Rf1 Qb6 jm
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.