Author: Slater Wold
Date: 01:51:55 10/07/01
Go up one level in this thread
On October 06, 2001 at 23:07:51, K. Burcham wrote: > >bruce posted a position similiar to this, i modified it for a mate in 11. >can your program see this mate in 11. >slate if you read this, will you post your analysis. > > > [D] 7b/q7/Pk3p1P/1Pp2pB1/K1P2P2/1Q6/8/8 w - - 0 1 > > >kburcham In 1 hour, HIARCS 7.23, Nimzo 8, and Fritz 6 could not return a mate. (They were all single CPU engines.) The only single CPU engine, that DID return a mate in 1 hour was: Goliath Light 1.5 - W,S 7b/q7/Pk3p1P/1Pp2pB1/K1P2P2/1Q6/8/8 w - - 0 1 Analysis by Goliath Light 1.5: 1.Qc3 Kc7 2.Bh4 +- (7.28) Depth: 6/10 00:00:00 5kN 1.Qc3 Qb8 2.Bxf6 Bxf6 3.Qxf6+ Kc7 4.Qxf5 +- (7.04) Depth: 6/13 00:00:00 9kN 1.Bh4 +- (7.22) Depth: 6/13 00:00:00 10kN 1.Bh4 Qh7 2.Qf3 Qd7 +- (7.13) Depth: 6/13 00:00:00 10kN 1.Bh4 Qh7 2.Qf3 Qd7 +- (7.13) Depth: 7/15 00:00:00 19kN 1.Bh4 Qd7 2.Qe3 Qd4 3.Qe6+ Ka7 4.Qe7+ Ka8 +- (7.30) Depth: 7/15 00:00:00 24kN 1.Bh4 Qd7 2.Qe3 Qd4 3.Qe6+ Ka7 4.Qe7+ Ka8 +- (7.30) Depth: 8/15 00:00:00 42kN 1.Bh4 Qd7 2.Be1 Ka7 3.Ba5 Ka8 +- (7.14) Depth: 8/18 00:00:00 78kN 1.Bh4 Qd7 2.Be1 Ka7 3.Ba5 Ka8 +- (7.14) Depth: 9/19 00:00:00 132kN 1.Bh4 Qd7 2.Be1 Qd4 3.Ba5+ Ka7 4.Bc7 Qa1+ 5.Qa3 Qd4 +- (7.21) Depth: 9/19 00:00:00 169kN 1.Bh4 Qd7 2.Be1 Qd4 3.Ba5+ Ka7 4.Bc7 Qa1+ 5.Qa3 Qd4 +- (7.21) Depth: 10/29 00:00:00 389kN 1.Bh4 Qd7 2.Be1 Qd4 3.Qc3 Qd1+ 4.Ka3 Ka7 5.h7 Qd6 +- (7.27) Depth: 10/29 00:00:00 510kN 1.Qd3 +- (7.39) Depth: 10/29 00:00:00 864kN 1.Qd3 Qc7 2.Bh4 Ka7 3.Qxf5 Kb6 4.Qe6+ Ka7 5.Bf2 +- (8.61) Depth: 10/29 00:00:00 1217kN 1.Qd3 Qc7 2.Bh4 Ka7 3.Qxf5 Kb6 4.Qe6+ Ka7 5.Bf2 +- (8.61) Depth: 11/31 00:00:00 1526kN 1.Qd3 Qc7 2.Bh4 Ka7 3.Qxf5 Kb6 4.h7 Qd6 5.Qe4 Qd1+ 6.Ka3 Ka7 +- (8.71) Depth: 11/34 00:00:00 1844kN 1.Qd3 Qc7 2.Bh4 Ka7 3.Qxf5 Kb6 4.h7 Qd6 5.Qe4 Qd1+ 6.Ka3 Ka7 +- (8.71) Depth: 12/34 00:00:01 3523kN 1.Qd3 Qc7 2.Bh4 Ka7 3.Qxf5 Kb6 4.h7 Qd6 5.Qe4 Qd1+ 6.Ka3 Ka7 +- (9.01) Depth: 12/34 00:00:01 4385kN 1.Qd3 Qc7 2.Bh4 Ka7 3.Qxf5 Kb8 4.Bf2 Qd8 5.Bxc5 Qd1+ 6.Ka3 Qd2 +- (9.70) Depth: 12/34 00:00:02 5116kN 1.Qc3 +- (9.81) Depth: 12/34 00:00:04 9331kN 1.Qc3 Qf7 2.Qa5+ Ka7 +- (10.57) Depth: 12/34 00:00:04 10612kN 1.Qc3 Qf7 2.Qa5+ Ka7 +- (10.57) Depth: 13/35 00:00:05 13876kN 1.Qc3 Qf7 2.Qa5+ Ka7 +- (10.87) Depth: 13/38 00:00:06 15606kN 1.Qc3 Qf7 2.Qa5+ Ka7 +- (11.67) Depth: 13/38 00:00:06 16604kN 1.Qc3 +- (11.67) Depth: 13/38 00:00:06 16901kN 1.Qc3 +- (11.67) Depth: 14/38 00:00:07 20109kN, tb=1 1.Qc3 +- (11.97) Depth: 14/38 00:00:09 25079kN, tb=2 1.Qc3 +- (12.77) Depth: 14/38 00:00:10 27273kN, tb=2 1.Qc3 Qd7 2.Bxf6 Qd1+ 3.Ka3 Qd6 4.Bxh8 Qxh6 5.Qf6+ Qxf6 6.Bxf6 Ka7 7.Be5 Ka8 8.b6 +- (14.29) Depth: 14/38 00:00:17 43712kN, tb=6 1.Qc3 Qd7 2.Bxf6 Qd1+ 3.Ka3 Qd6 4.Bxh8 Qxh6 5.Qf6+ Qxf6 6.Bxf6 Ka7 7.Be5 Ka8 8.b6 +- (14.29) Depth: 15/39 00:00:23 61624kN, tb=15 1.Qc3 Qd7 2.Bxf6 Qd1+ 3.Ka3 Qd6 4.Bxh8 Qxh6 5.Qf6+ Qxf6 6.Bxf6 Ka7 7.Be5 Ka8 8.b6 +- (14.59) Depth: 15/39 00:00:27 71915kN, tb=19 1.Qc3 Qd7 2.Bxf6 Qd1+ 3.Ka3 Qd6 4.Bxh8 Qxh6 5.Qf6+ Qxf6 6.Bxf6 Ka7 7.Be5 Ka8 8.b6 +- (15.39) Depth: 15/39 00:00:28 75810kN, tb=21 1.Qc3 Qd7 2.Bxf6 Qd1+ 3.Ka3 Qd6 4.Bxh8 Qxh6 5.Qf6+ Qxf6 6.Bxf6 Ka7 7.Be7 Kb6 8.Bxc5+ Kc7 9.b6+ Kb8 +- (15.87) Depth: 15/39 00:00:29 78562kN, tb=21 1.Qd3 +- (15.98) Depth: 15/40 00:00:50 137956kN, tb=77 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Bg7 4.hxg7 Qxg7 5.Bf2 Qc7 6.Bxc5+ Kb8 7.Qg8+ Qc8 +- (23.37) Depth: 15/41 00:01:26 235654kN, tb=123 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Bg7 4.hxg7 Qxg7 5.Bf2 Qc7 6.Bxc5+ Kb8 7.Qg8+ Qc8 +- (23.37) Depth: 16/41 00:01:34 260888kN, tb=136 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Bg7 4.hxg7 Qxg7 5.Bf2 Qc7 6.Bxc5+ Kb8 7.Qg8+ Qc8 +- (23.67) Depth: 16/41 00:01:43 284338kN, tb=155 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Bg7 4.hxg7 Qxg7 5.Bf2 Qc7 6.Bxc5+ Kb8 7.Qg8+ Qc8 +- (24.47) Depth: 16/41 00:01:46 293289kN, tb=172 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Bg7 4.hxg7 Qxg7 5.Bf2 Qc7 6.Bxc5+ Kb8 7.Qg8+ Qc8 8.a7+ Kb7 9.Qd5+ Kc7 10.b6# +- (25.03) Depth: 16/41 00:01:49 299823kN, tb=184 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Bg7 4.hxg7 Qxg7 5.Bf2 Qc7 6.Bxc5+ Kb8 7.Qg8+ Qc8 8.a7+ Kb7 9.Qd5+ Kc7 10.b6# +- (25.03) Depth: 17/41 00:02:16 381372kN, tb=261 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Bg7 4.hxg7 Qxg7 5.Bf2 Qc7 6.Bxc5+ Kb8 7.Qg8+ Qc8 8.a7+ Kb7 9.Qd5+ Kc7 10.b6# +- (25.33) Depth: 17/45 00:02:32 428021kN, tb=300 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Bg7 4.hxg7 Qxg7 5.Bf2 Qc7 6.Bxc5+ Kb8 7.Qg8+ Qc8 8.a7+ Kb7 9.Qd5+ Kc7 10.b6# +- (26.13) Depth: 17/45 00:02:40 446107kN, tb=342 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Kb8 4.Qg8+ Qc8 5.a7+ Kc7 6.Qxc8+ Kxc8 +- (31.65) Depth: 17/45 00:03:17 527914kN, tb=587 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Kb8 4.Qg8+ Qc8 5.a7+ Kc7 6.Qxc8+ Kxc8 +- (31.65) Depth: 18/47 00:05:38 963384kN, tb=2122 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Kb8 4.Qg8+ Qc8 5.a7+ Kc7 6.Qxc8+ Kxc8 +- (31.95) Depth: 18/47 00:06:39 1129968kN, tb=2286 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Kb8 4.Qg8+ Qc8 5.a7+ Kc7 6.Qxc8+ Kxc8 +- (32.75) Depth: 18/47 00:06:56 1170666kN, tb=2299 1.Qd3 Qc7 2.Bh4 Ka7 3.Qd5 Qc8 4.Bf2 Kb8 5.Bxc5 Qc7 6.Qg8+ Qc8 7.Bd6+ Ka7 8.Qg1+ Ka8 9.Qg2+ Ka7 +- (#14) Depth: 18/47 00:11:34 1904322kN, tb=3214 (W, 07.10.2001) 11:34! Pretty nice. Especially for a free engine! I was doing a lot of thing with my computer tonite, and was unable to give a "deep" program both CPU's. That's why I started with the single CPU engines. I will see what I can come up with tonite, and tomorrow. Slate
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.