Mate test

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JVMerlino
Posts: 1404
Joined: Wed Mar 08, 2006 10:15 pm
Location: San Francisco, California

Mate test

Post by JVMerlino »

In examining a recent game, I came across this position:

[d]r3kr2/pp1b1p1B/2nBp1p1/3p2Qp/8/8/P1P2PPP/4R1K1 w q - 0 24

CM9_R1 on a P4-3.0 found Mate in 16 in just under 28 minutes, and then updated to Mate in 12 after almost two hours.

Which engines can do better?

Code: Select all

Time	Depth	Score	Positions	Moves
0:00	1/3	6.49	1666		24.Qf6 Rc8 25.Bxf8 Kxf8 26.Bxg6
0:00	1/4	7.22	10000		24.Qf6 Bc8 25.Bxg6 b6 26.Bxf8 fxg6
0:00	1/4	7.55	14868		24.Bxg6 b6 25.Bxf8 Kxf8 26.Bxh5 Rc8
0:00	1/5	7.73	33109		24.Bxg6 fxg6 25.Qxg6+ Kd8 26.Qg5+
					Kc8 27.Bxf8 Kc7 28.Bc5
0:00	1/5	9.67	38274		24.Qf6 Bc8 25.Bxf8 Kxf8 26.Bxg6
					Ke8 27.Qxf7+ Kd8 28.Bxh5
0:00	1/6	10.61	68624		24.Qf6 Bc8 25.Bxf8 Kxf8 26.Bxg6
					Ke8 27.Bxf7+ Kd7 28.Bxe6+ Kc7 29.Bxd5
					
0:00	1/7	10.38	84190		24.Qf6 Bc8 25.Bxf8 Kxf8 26.Bxg6
					Ke8 27.Bxf7+ Kd7 28.Bxe6+ Kc7 29.Qf4+
					Kb6 30.Bxd5
0:01	1/8	11.79	274251		24.Qf6 Bc8 25.Bxf8 g5 26.Bg8 Kd7
					27.Bxf7 Kc7 28.Bxh5
0:01	1/9	12.18	486014		24.Qf6 Bc8 25.Bxf8 Kxf8 26.Bxg6
					Ke8 27.Bxf7+ Kd7 28.Bxe6+ Kc7 29.Qf4+
					Kb6 30.Rb1+ Kc5 31.Qf8+ Kc4 32.Bxc8
0:02	2/10	12.18	711235		24.Qf6 Bc8 25.Bxf8 Kxf8 26.Bxg6
					Ke8 27.Bxf7+ Kd7 28.Bxe6+ Kc7 29.Qf4+
					Kb6 30.Rb1+ Kc5 31.Qf8+ Kc4 32.Bxc8
0:21	3/11	12.59	6718070		24.Qf6 Bc8 25.Bxf8 Kxf8 26.Bxg6
					Ke8 27.Bxf7+ Kd7 28.Bxe6+ Kc7 29.Qf4+
					Kb6 30.Rb1+ Kc5 31.Qf8+ Kc4 32.Bxc8
					b5 33.Qf5
1:08	4/12	13.24	23500581	24.Qf6 Bc8 25.Bxg6 Kd7 26.Bxf8
					Kc7 27.Qxf7+ Bd7 28.Bxh5 e5 29.Bg7
					Rd8 30.Qxd5
5:48	5/13	14.88	121125592	24.Qf6 Bc8 25.c4 Kd7 26.Bxf8 Kc7
					27.cxd5 Bd7 28.dxc6 bxc6 29.Qxf7
					g5 30.Bc5 Rd8 31.Qxh5
27:52	6/14	Mate16	630998729	24.Qf6 Bc8 25.Bxf8 Kxf8 26.Bxg6
					Ke8 27.Bxf7+ Kd7 28.Bxe6+ Kc7 29.Qf4+
					Kb6 30.Rb1+ Kc5 31.a4 a6 32.Qf8+
					Kc4 33.Bxd5+ Kxd5 34.Rd1+ Kc4 35.Qf4+
					Kc5 36.Qe3+ Kb4 37.Qb6+ Kc4 38.Qb3+
					Kc5 39.Rd5#
1:53:45	7/15	Mate12	2682979763	24.Qf6 Bc8 25.Bxg6 Kd7 26.Bxf8
					Kc7 27.Qf4+ e5 28.Rxe5 Kb6 29.Rxd5
					Be6 30.Bc5+ Ka5 31.Bb4+ Kb6 32.Ba5+
					Nxa5 33.Qb4+ Kc7 34.Qd6+ Kc8 35.Qd8#
jm
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Spock

Re: Mate test

Post by Spock »

Hiarcs Paderborn 2007 on one CPU, Intel QX6700 finds mate in 12 in just over a minute

Code: Select all


 12/32	 0:01 	+14.10	1.Qf6 Bc8 2.Bxf8 Kxf8 3.Bxg6 Ke8 4.Bxf7+ Kd7 5.Bxe6+ Kc7 6.Qf4+ Kb6 7.Rb1+ Kc5 8.a4 a6 9.Qf8+ Kc4 10.Bxc8 b5 (667.960) 638
 13/32	 0:01 	+14.35++	1.Qf6 (868.111) 632
 13/36	 0:02 	+16.02	1.Qf6 Bc8 2.Bxf8 Kxf8 3.Bxg6 Ke8 4.Rxe6+ Bxe6 5.Qxe6+ Kd8 6.Qxf7 h4 7.Qe8+ Kc7 8.Qxa8 Kb6 9.Qh8 d4 10.Qxh4 (1.747.880) 675
 14/38	 0:04 	+16.26	1.Qf6 Bc8 2.Bxf8 Kxf8 3.Bxg6 Ke8 4.Rxe6+ Bxe6 5.Qxe6+ Kd8 6.Qxf7 h4 7.Qe8+ Kc7 8.Qxa8 h3 9.gxh3 Ne5 10.Qe8 Nf3+ 11.Kg2 (3.296.542) 690
 15/38	 0:06 	+16.51++	1.Qf6 (4.260.900) 693
 15/43	 0:09 	+16.61	1.Qf6 Bc8 2.Bxf8 Kxf8 3.Bxg6 Ke8 4.Bxf7+ Kd7 5.Bxe6+ Kc7 6.Qf4+ Kb6 7.Qe3+ Ka6 8.Qd3+ b5 9.Rb1 Nd4 10.Bxd5 Bb7 11.Bxb7+ Kxb7 12.Qxd4 (6.776.809) 707
 16/43	 0:29 	+16.86++	1.Qf6 (19.270.513) 652
 16/43	 0:48 	  +M16	1.Qf6 (32.847.001) 683
 16/43	 0:49 	  +M13	1.Qf6 Bc8 2.Bxg6 Kd7 3.Rxe6 fxg6 4.Bxf8 Kc7 5.Bd6+ Kb6 6.Qb2+ Ka6 7.Qa3+ Na5 8.Bb4+ b6 9.Qxa5+ (33.638.829) 685
 17/43	 1:10 	  +M12	1.Qf6 Bc8 2.Bxg6 Kd7 3.Bxf8 Kc7 4.Qf4+ Kd8 5.Bxf7 e5 (49.126.019) 697
 18/43	 1:51 	  +M12	1.Qf6 Bc8 2.Bxg6 Kd7 3.Bxf8 Kc7 4.Qf4+ e5 5.Rxe5 (78.226.351) 701
 19/43	 4:28 	  +M12	1.Qf6 Bc8 2.Bxg6 Kd7 3.Bxf8 Kc7 4.Qf4+ e5 5.Rxe5 Bd7 6.Rxd5+ Kc8 7.Rxd7 Kxd7 8.Qxf7+ (189.680.528) 706
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kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 4:19 pm

Re: Mate test

Post by kgburcham »

[d] r3kr2/pp1b1p1B/2nBp1p1/3p2Qp/8/8/P1P2PPP/4R1K1 w q - 0 1

Zappa Mexico II
hash 1024

13/45 0:05 +15.25 1.Qf6 Bc8 2.Bxf8 Kxf8 3.Bxg6 Ke8 4.Bxf7+ Kd7 5.Bxe6+ Kc7 6.Qf4+ Kb6 7.Rb1+ Kc5 8.c4 Nb4 9.cxd5 Bxe6 10.Qxb4+ Kxd5 11.Qxb7+ Kd6 12.Qxa8 Bg4 13.Qxa7 (11.111.248) 1901
14/47 0:14 +M13 1.Qf6 Bc8 2.Bxg6 Kd7 3.Rxe6 fxg6 4.Bxf8 Kc7 5.Bd6+ Kb6 6.Qb2+ Ka6 7.Qa3+ Na5 8.Bb4+ b6 9.Qxa5+ Kb7 10.Qxd5+ Ka6 11.Re3 Bd7 12.Ra3+ Ba4 13.Rxa4+ (30.445.951) 2059
19/57 0:56 +M12 1.Qf6 Bc8 2.Bxg6 Kd7 3.Bxf8 Kc7 4.Qf4+ e5 5.Rxe5 Be6 6.Rxe6+ Kb6 7.Qb4+ Kc7 8.Qd6+ Kb6 9.Qc5+ Kc7 10.Re7+ Kb8 11.Qd6+ Kc8 12.Qc7+ (136.878.381) 2412


Deep Hiarcs Paderborn 2007:

1.Qf6
+- (25.14) Depth: 16/38 00:00:05 10701kN
1.Qf6
+- (#16) Depth: 16/38 00:00:06 12216kN
1.Qf6 Bc8 2.Bxg6 Kd7 3.Bxf8 Kc7 4.Qf4+ Kd8 5.Qxf7 Bd7 6.Bd6 Kc8 7.Rxe6 b6 8.Re8+ Kb7 9.Qxd7+ Ka6 10.Qxc6
+- (#13) Depth: 16/38 00:00:07 14458kN
1.Qf6 Bc8 2.Bxg6 Kd7 3.Bxf8 Kc7 4.Qf4+ Kd8 5.Qd6+ Ke8 6.Rxe6+ Bxe6 7.Qxe6+ Kd8 8.Qxd5+ Kc7 9.Bd6+ Kd7 10.Bb8+ Kc8 11.Bf5+
+- (#12) Depth: 17/38 00:00:15 31497kN
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Cubeman
Posts: 644
Joined: Fri Feb 02, 2007 3:11 am
Location: New Zealand

Re: Mate test

Post by Cubeman »

PocketFritz3 loaded with Hiarcs 12.1 also finds the mate in 12.This took 45 minutes on a "fast" 624 mhz PPC.
1.Qf6 Bc8 2.Bxg6 Kd7 3.Bxf8 Kc7 4.Qf4+ e5 5.Rxe5 Bd7 6.Rxd5+ Kc8 7.Rxd7 Kxd7 8.Qxf7+ Ne7 9.Qxe7+ Kc6 10.Qc5+ Kd7 11.Qd6+ Kc8 12.Bf5#
(#12)Depth 17 45:08
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