forced mate test position

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Uri Blass
Posts: 8730
Joined: Wed Mar 08, 2006 11:37 pm
Location: Tel-Aviv Israel

forced mate test position

Post by Uri Blass » Wed Jul 04, 2018 1:19 am

how much time does your program need to find forced mates?

stockfish 3 cores 1024 mbytes



Stockfish_18070401_x64_modern:
1/1 00:00 77 39k +27.70 1.Nc3
2/2 00:00 207 104k +31.62 1.g3 Rh4
3/3 00:00 319 160k +31.64 1.g3 Rh5 2.a3
4/4 00:00 430 215k +31.64 1.g3 Rh7 2.a3 Rh4
5/5 00:00 1k 715k +28.43 1.Nc3 Rg8 2.d3 Rg4 3.Nf3
6/6 00:00 3k 1,137k +28.32 1.Nc3 Qd6 2.Nf3 Rg8 3.d3 Ke7 4.Bg5+ Kf7
7/8 00:00 9k 1,764k +28.41 1.Nc3 Qd6 2.Nf3 Kf8 3.e3 Rg8 4.Ne4
8/9 00:00 11k 1,834k +28.41 1.Nc3 Kf7 2.e3 Rh4 3.Nf3 Rb4 4.Ne5+ Kf6 5.Nc4
9/11 00:00 51k 2,996k +28.51 1.Nc3 Ke7 2.Nf3 Qa5 3.d3 Qc5 4.Ne4 Qb4+ 5.Nfd2 Rc8
10/13 00:00 95k 3,278k +28.58 1.Nc3 Kd7 2.Nf3 Kc8 3.e3 Rg8 4.Nd4 Qd6 5.Ne4 Qd5
11/14 00:00 174k 2,950k +28.62 1.Nc3 Ke7 2.Nf3 Rg8 3.Ne4 Kf8 4.d3 Rg7 5.e3 Qd5 6.Nd4
12/16 00:00 339k 3,356k +28.73 1.Nc3 Rg8 2.e3 Qf6 3.Nf3 Kf8 4.Nd4 Rg7 5.Qf3 Qxf3 6.gxf3 Rf7
13/18 00:00 1,285k 4,462k +28.88 1.Nc3 Kd7 2.e3 Kc8 3.Nf3 Qc7 4.Ne4 Kb8 5.Bd3 Qd7 6.Kf1 Qd5 7.Nd4
14/22 00:00 2,432k 4,713k +29.04 1.Nc3 Qb8 2.Nf3 Kd7 3.e3 Kc8 4.d4 Qb7 5.Bc4 Kb8 6.0-0 Qd7 7.Ne4 Kc7 8.Ne5
15/22 00:00 3,504k 4,866k +29.15 1.Nc3 Kd7 2.e3 Qg8 3.Nf3 Kc8 4.Nd4 Qg7 5.Qf3 Kb8 6.Bd3 Rf8 7.Qg3+ Qxg3 8.hxg3 Rg8 9.0-0
16/25 00:01 7,115k 5,130k +29.42 1.e3 Qh4 2.Nc3 Kd7 3.Qf3 Kc7 4.Nge2 Kb8 5.Nd4 Qh6 6.Bd3 Qg7 7.0-0 Qc7 8.Qg3 Qxg3 9.hxg3
17/26 00:01 9,095k 5,188k +29.48 1.e3 Qd7 2.Nc3 Kd8 3.Qf3 Rh7 4.Bb5 Qb7 5.Qxb7 Rxb7 6.Nf3 Rg7 7.0-0 Rc7 8.Nd4 Kc8 9.d3 Rg7 10.Ne4 Kb8 11.Bd2 Kb7 12.Bb4 Kb6
18/30 00:02 11,240k 5,086k +29.46 1.e3 Qd5 2.Nc3 Qh5 3.Qf3 Qxf3 4.Nxf3 Rg8 5.Nd5 Kf8 6.Ne5 Rg7 7.d4 Rg5 8.Bd2 Kg7 9.Bb4 Rf5
19/26+ 00:03 16,001k 4,980k +29.61 1.e3
19/32+ 00:03 17,386k 4,995k +29.72 1.e3
19/32+ 00:03 19,226k 5,001k +29.88 1.e3
19/32+ 00:04 21,943k 5,017k +30.10 1.e3
19/36+ 00:04 24,491k 5,023k +30.39 1.e3
19/36+ 00:05 25,596k 5,014k +30.77 1.e3
19/36+ 00:05 27,615k 5,006k +31.27 1.e3
19/36 00:06 31,353k 5,015k +31.59 1.e3 Qf6 2.Nc3 Rh4 3.Nf3 Rh7 4.Nd4 Rf7 5.Bb5+ Kf8 6.Ne4 Qg6 7.Ng5 Rf6 8.Qg4 Kg7 9.Qd7+ Kh6 10.Bd3 Qh5 11.Qh7+ Kxg5
20/28+ 00:06 33,643k 5,025k +31.67 1.e3
20/35+ 00:06 34,617k 5,026k +31.74 1.e3
20/35+ 00:06 35,024k 5,022k +31.85 1.e3
20/35+ 00:07 37,123k 5,023k +32.01 1.e3
20/35+ 00:07 38,476k 5,025k +32.23 1.e3
20/38- 00:07 39,974k 5,026k +31.52 1.e3 Qd7
20/45+ 00:08 40,371k 5,024k +32.02 1.e3
20/45+ 00:08 41,675k 5,023k +32.52 1.e3
20/45 00:08 42,346k 5,021k +32.49 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd7+ Kh6 8.Bd3 Qf7 9.Qd6+ Qf6 10.Qg3 Qg5 11.Qh3+ Qh5 12.Qe6+ Kg7 13.Qd7+ Kh8 14.Qd4+ Kg8 15.Bc4+ Kh7 16.Nf3 Kg6 17.Bd3+ Kh6 18.Qd6+ Kg7 19.Qd7+ Kg8
21/43- 00:08 43,042k 5,016k +32.39 1.e3 Qd7
21/43+ 00:08 44,022k 5,016k +32.49 1.e3
21/43+ 00:09 45,161k 5,012k +32.60 1.e3
21/43 00:10 50,451k 5,006k +32.75 1.e3 Qc8 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd7+ Kh6 8.Bd3 Qf7 9.Qd6+ Qf6 10.Qg3 Qg5 11.Qh3+ Qh5 12.Qe6+ Kg7 13.Qd7+ Kh8 14.Qd4+ Kg8 15.Bc4+ Kh7 16.Nf3 Kg6 17.Bd3+ Kh6
22/39 00:11 55,974k 5,002k +32.77 1.e3 Qc8 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd7+ Kh6 8.Bd3 Qf7 9.Qd6+ Qf6 10.Qg3 Qg5 11.Qh3+ Qh5 12.Qe6+ Kg7 13.Qd7+ Kh8 14.Qd4+ Kg8 15.Bc4+ Kh7 16.Nf3 Kg6 17.Bd3+ Kh6 18.Qd6+ Kg7 19.Qd7+ Kh8 20.Ne5
23/38+ 00:11 58,909k 4,999k +32.85 1.e3
23/38+ 00:11 59,780k 4,994k +32.92 1.e3
23/42+ 00:12 63,431k 4,991k +33.04 1.e3
23/42+ 00:13 65,663k 4,988k +33.20 1.e3
23/42+ 00:14 70,897k 4,987k +33.41 1.e3
23/42+ 00:15 75,855k 4,984k +33.70 1.e3
23/42+ 00:16 82,142k 4,985k +34.09 1.e3
23/42+ 00:18 94,258k 4,989k +34.59 1.e3
23/42+ 00:21 105,222k 4,994k +35.23 1.e3
23/51+ 00:24 121,469k 4,974k +36.06 1.e3
23/51+ 00:25 126,492k 4,970k +37.11 1.e3
23/51+ 00:28 138,764k 4,947k +38.44 1.e3
23/55+ 00:34 171,455k 4,984k +40.13 1.e3
23/55+ 00:36 182,834k 4,995k +42.26 1.e3
23/55+ 00:36 184,010k 4,996k +44.94 1.e3
23/55+ 00:36 184,090k 4,996k +48.30 1.e3
23/55+ 00:36 184,127k 4,996k +52.53 1.e3
23/55+ 00:36 184,334k 4,995k +57.84 1.e3
23/55+ 00:40 205,758k 5,021k +64.49 1.e3
23/55 00:49 248,288k 5,054k +67.10 1.e3 Qd5 2.Qg4 Qd7 3.Qg6+ Qf7 4.Qc6+ Qd7 5.Qc5 Qe7 6.Bb5+ Kf8 7.Qc8+ Kg7 8.Qg4+ Kf8 9.Bc4 Qh4 10.Qc8+ Ke7 11.Qc7+ Ke8 12.Nc3 Rh7 13.Qc8+ Qd8 14.Qe6+ Re7 15.Qg8+ Kd7 16.Bb5+ Kc8 17.Ba6+ Kc7 18.Nd5+ Qxd5 19.Qxd5
24/44+ 00:51 258,949k 5,059k +67.17 1.e3
24/44+ 00:51 262,213k 5,061k +67.25 1.e3
24/44+ 00:52 266,268k 5,063k +67.36 1.e3
24/44+ 00:53 269,905k 5,065k +67.52 1.e3
24/44- 00:53 272,061k 5,064k +66.88 1.e3 Qd7
24/46+ 00:53 272,990k 5,064k +67.37 1.e3
24/46- 00:57 291,419k 5,073k +66.56 1.e3 Kd7
24/46+ 00:57 293,824k 5,074k +67.17 1.e3
24/46+ 00:58 298,604k 5,077k +67.82 1.e3
24/48+ 01:01 310,465k 5,085k +68.64 1.e3
24/48 01:02 320,259k 5,090k +67.67 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd7+ Kh6 8.Bd3 Qf7 9.Qh3+ Qh5 10.Qe6+ Kg7 11.Qd7+ Qf7 12.Qd4+ Kh6 13.Nf3 Qh5 14.Qd6+ Kg7 15.Qd7+ Qf7 16.Qd4+ Kh6 17.Qh4+ Qh5 18.Qe7 Rf7 19.Qd6+ Kg7 20.Qd4+ Rf6
25/46+ 01:03 323,811k 5,092k +67.75 1.e3
25/46+ 01:03 323,989k 5,092k +67.82 1.e3
25/46+ 01:03 324,270k 5,092k +67.93 1.e3
25/46+ 01:03 324,490k 5,092k +68.09 1.e3
25/46+ 01:03 325,494k 5,092k +68.31 1.e3
25/46+ 01:04 326,945k 5,092k +68.60 1.e3
25/46+ 01:04 327,808k 5,093k +68.98 1.e3
25/46+ 01:05 331,240k 5,095k +69.48 1.e3
25/46+ 01:08 350,361k 5,102k +70.13 1.e3
25/51 01:22 423,068k 5,126k +70.74 1.e3 Qd5 2.Qg4 Qd7 3.Bb5 Qxb5 4.Qc8+ Ke7 5.Qxh8 Qg5 6.Qa8 Qf5 7.Qc6 Kd8 8.Nf3 Ke7 9.Nd4 Qe5 10.Nc3 Kf7 11.Qd5+ Qxd5 12.Nxd5 Kf8 13.Ke2 Ke8 14.Nf6+ Kf7 15.Ne4 Ke7 16.Nf3 Kd7 17.Kd3 Ke7
26/45+ 01:26 443,848k 5,131k +70.81 1.e3
26/45+ 01:28 455,401k 5,132k +70.89 1.e3
26/45+ 01:29 460,132k 5,133k +71.00 1.e3
26/45- 01:30 463,041k 5,133k +70.66 1.e3 Qd7
26/45+ 01:30 466,379k 5,133k +70.91 1.e3
26/45+ 01:33 481,610k 5,137k +71.20 1.e3
26/45+ 01:35 493,201k 5,139k +71.58 1.e3
26/45+ 01:38 504,615k 5,140k +72.08 1.e3
26/45+ 01:40 516,529k 5,143k +72.73 1.e3
26/46 01:42 528,001k 5,145k +73.01 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd4+ Qf6 8.Qd7+ Kh8 9.Qh3+ Kg7 10.Nf3 Qf5 11.Qh4 Re8 12.Bd3 Qc5 13.Qg4+ Kf8 14.Bc4 Ke7 15.Qg7+ Kd8 16.Bb5 Rxe3+ 17.dxe3 Kc8 18.Ba6+ Kd8 19.Qd4+ Qxd4 20.Nxd4 Kd7 21.Bb5+ Kc7 22.Ke2
27/45- 01:43 530,132k 5,145k +72.93 1.e3 Qd7
27/46+ 01:43 533,088k 5,146k +73.01 1.e3
27/46+ 01:46 549,237k 5,150k +73.12 1.e3
27/46 01:51 575,472k 5,158k +73.22 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd4+ Qf6 8.Qd7+ Kh8 9.Qh3+ Kg7 10.Nf3 Qf5 11.Qh4 Qf6 12.Ng5 Qxf2+ 13.Qxf2 Rxf2 14.Ne6+ Kf6 15.Kxf2 Ke7 16.Kf3 Kd6 17.Ke4 Kc6 18.a4 Kd7 19.Kd5 Ke7 20.Ke5
28/45+ 01:56 599,680k 5,167k +73.30 1.e3
28/52+ 02:02 632,546k 5,171k +73.37 1.e3
28/52+ 02:04 642,338k 5,172k +73.48 1.e3
28/52+ 02:06 654,501k 5,172k +73.64 1.e3
28/52+ 02:14 694,948k 5,179k +73.86 1.e3
28/52 02:25 752,151k 5,179k +74.14 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd4+ Qf6 8.Qd7+ Kh6 9.Qh3+ Kg7 10.Nf3 Qh6 11.Qg4+ Qg6 12.Ng5 Rf5 13.Ne6+ Kh6 14.Qxg6+ Kxg6 15.Bd3 Kf6 16.Bxf5 Ke7 17.Ke2 Kf6 18.Nd4 Ke7 19.Kd3 Kd6 20.Ke4 Kc5 21.Ke5
29/49+ 02:30 781,044k 5,184k +74.21 1.e3
29/49+ 02:38 822,616k 5,193k +74.29 1.e3
29/49+ 02:42 843,628k 5,194k +74.40 1.e3
29/49+ 02:43 849,093k 5,195k +74.56 1.e3
29/49+ 02:47 871,843k 5,195k +74.77 1.e3
29/49+ 02:52 895,847k 5,198k +75.07 1.e3
29/50+ 02:56 917,226k 5,198k +75.45 1.e3
29/50+ 02:58 930,126k 5,198k +75.95 1.e3
29/54 03:06 972,337k 5,200k +76.51 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd4+ Qf6 8.Qd7+ Kh8 9.Qh3+ Kg7 10.Nf3 Qf5 11.Qh4 Re8 12.Bd3 Qf6 13.Qg4+ Kf8 14.Bc4 Rd8 15.Qg8+ Ke7 16.Nd5+ Rxd5 17.Qxd5 Qd6 18.Qe4+ Kd8 19.Ne5 Kc7 20.Bb5 Kb8 21.Nc6+ Kc8 22.Qe8+ Kb7 23.Qf7+ Qc7 24.Qxc7+ Kxc7 25.Ne5 Kb6 26.a4 Kb7
30/50 03:11 995,941k 5,201k +76.51 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd4+ Qf6 8.Qd7+ Kh6 9.Qh3+ Kg7 10.Nf3 Qf5 11.Qh4 Rf6 12.Bd3 Qe6 13.Qg5+ Kf8 14.Bc4 Qxc4 15.Qxf6+ Kg8 16.Qg6+ Kh8 17.Qh5+ Kg7 18.Qg5+ Kh8 19.Qh4+ Qxh4 20.Nxh4 Kg7 21.a4 Kf6 22.Nf3 Ke6
31/48+ 03:29 1,089,026k 5,204k +76.59 1.e3
31/48+ 03:36 1,127,833k 5,202k +76.66 1.e3
31/58+ 03:45 1,175,152k 5,204k +76.77 1.e3
31/58+ 03:52 1,207,263k 5,203k +76.93 1.e3
31/58+ 03:53 1,216,357k 5,204k +77.15 1.e3
31/58+ 03:55 1,227,141k 5,204k +77.44 1.e3
31/58+ 04:13 1,318,699k 5,211k +77.82 1.e3
31/58+ 04:19 1,352,715k 5,214k +78.32 1.e3
31/58+ 04:33 1,429,658k 5,226k +78.97 1.e3
31/58+ 04:48 1,511,514k 5,233k +79.80 1.e3
31/58 05:00 1,578,240k 5,245k +79.86 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd4+ Qf6 8.Qd7+ Kh8 9.Qh3+ Kg7 10.Nf3 Qf5 11.Qh4 Re8 12.Bd3 Qf6 13.Qh7+ Kf8 14.Bc4 Qf4 15.Qh8+ Ke7 16.Qxe8+ Kxe8 17.Bb5+ Kf7 18.exf4 Ke6 19.Bc4+ Kd6 20.Ng1 Kc5 21.Bb5 Kb4 22.Nf3 Kc5 23.a4 Kd6 24.a5 Ke6 25.Bd3 Ke7 26.a6
32/56+ 05:21 1,688,983k 5,261k +79.94 1.e3
32/57+ 05:33 1,756,381k 5,262k +80.01 1.e3
32/57+ 05:40 1,791,763k 5,266k +80.12 1.e3
32/57+ 05:43 1,811,818k 5,268k +80.28 1.e3
32/57+ 05:46 1,826,826k 5,270k +80.50 1.e3
32/57+ 05:48 1,835,266k 5,270k +80.79 1.e3
32/57+ 06:04 1,924,219k 5,284k +81.17 1.e3
32/57+ 06:14 1,979,620k 5,286k +81.67 1.e3
32/57+ 06:34 2,092,383k 5,300k +82.32 1.e3
32/57 06:59 2,224,970k 5,308k +83.14 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Bc4+ Kg7 5.Qh4 Qf6 6.Qg4+ Qg6 7.Qd4+ Qf6 8.Qd7+ Kh8 9.Qh3+ Kg7 10.Nf3 Qf5 11.Qh4 Re8 12.Qd4+ Qf6 13.Qd7+ Re7 14.Qg4+ Qg6 15.Qd4+ Qf6 16.Qxf6+ Kxf6 17.Nd5+ Kg6 18.Nxe7+ Kf6 19.Nd5+ Ke6 20.Nc3+ Kd6 21.Ng1 Kc7 22.Nd5+ Kc8 23.Bb5 Kb7 24.Nc3 Kc8 25.Ne4 Kd8 26.Nd6
33/46+ 07:14 2,310,621k 5,312k +83.22 1.e3
33/46+ 07:27 2,377,125k 5,312k +83.29 1.e3
33/48+ 07:40 2,446,980k 5,315k +83.40 1.e3
33/48+ 07:54 2,521,503k 5,318k +83.56 1.e3
33/52+ 08:16 2,642,600k 5,323k +83.78 1.e3
33/52+ 08:39 2,771,514k 5,331k +84.07 1.e3
33/52+ 09:06 2,920,689k 5,342k +84.45 1.e3
33/52+ 09:27 3,035,274k 5,351k +84.95 1.e3
33/52+ 09:42 3,117,554k 5,355k +85.60 1.e3
33/52+ 09:59 3,214,141k 5,363k +86.42 1.e3
33/52+ 10:22 3,344,493k 5,372k +87.47 1.e3
33/52+ 10:23 3,351,661k 5,373k +89.20 1.e3
33/52+ 10:34 3,413,500k 5,377k +91.64 1.e3
33/52+ 10:43 3,463,358k 5,380k +93.80 1.e3
33/52+ 10:46 3,477,443k 5,381k +132.17 1.e3
33/64 12:22 4,038,376k 5,439k +M35 1.e3 Qd7 2.Nc3 Kf8 3.Qf3+ Qf7 4.Qg4 Rh6 5.Bc4 Rg6 6.Qe4 Qe8 7.Qf5+ Kg7 8.Bd3 Rd6 9.Qh7+ Kf8 10.Qh8+ Ke7 11.Qe5+ Re6 12.Qg7+ Kd8 13.Bb5 Re7 14.Qf6 Qf7 15.Qd6+ Rd7 16.Qxd7+ Qxd7 17.Bxd7 Kc7 18.Bb5 Kd8 19.Nd5 Kc8 20.a4 Kd8 21.a5 Kc8 22.a6
34/56 13:23 4,396,370k 5,471k +M27 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Qh4 Qf6 5.Qg4+ Qg7 6.Bc4+ Kh8 7.Qh3+ Qh7 8.Qe6 Qh4 9.Nf3 Qf6 10.Qg4 Qf5 11.Qh4+ Qh7 12.Qd4+ Qg7 13.Ne5 Qf6 14.Ng6+ Kg7 15.Qd7+ Rf7 16.Bxf7 Qxf7 17.Qxf7+ Kxf7 18.Ne5+ Kf8 19.a4 Kg7 20.a5 Kh6 21.a6 Kh7 22.a7 Kh6 23.a8Q Kg7 24.Qb7+ Kh6 25.Qc6+ Kh5 26.Qg6+ Kh4 27.Ra4+
35/54 13:32 4,448,917k 5,474k +M27 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Qh4 Qf6 5.Qg4+ Qg7 6.Bc4+ Kh8 7.Qh3+ Qh7 8.Qe6 Qh4 9.Nf3 Qf6 10.Qg4 Qf5 11.Qh4+ Qh7 12.Qd4+ Qg7 13.Ne5 Qf6 14.Ng6+ Kg7 15.Qd7+ Rf7 16.Bxf7 Qxf7 17.Qxf7+ Kxf7 18.Ne5+ Kf8 19.Nf3 Ke8 20.a4 Kd7 21.a5 Ke7 22.a6 Kd6 23.a7 Kc5 24.a8Q Kd6 25.Ra6+ Ke7 26.Qb7+ Ke8 27.Ra8+
36/54 13:52 4,560,565k 5,476k +M27 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Qh4 Qf6 5.Qg4+ Qg7 6.Bc4+ Kh8 7.Qh3+ Qh7 8.Qe6 Qh4 9.Nf3 Qf6 10.Qg4 Qf5 11.Qh4+ Qh7 12.Qd4+ Qg7 13.Ne5 Qf6 14.Ng6+ Kg7 15.Qd7+ Rf7 16.Bxf7 Qxf7 17.Qxf7+ Kxf7 18.Ne5+ Kg7 19.Nf3 Kf7 20.a4 Ke8 21.a5 Kd7 22.a6 Kd6 23.a7 Kc5 24.a8Q Kd6 25.Ra6+ Ke7 26.Qb7+ Kd8 27.Ra8+
37/54 14:17 4,692,742k 5,475k +M27 1.e3 Qd7 2.Nc3 0-0 3.Qh5 Qf5 4.Qh4 Qf6 5.Qg4+ Qg7 6.Bc4+ Kh8 7.Qh3+ Qh7 8.Qe6 Qh4 9.Nf3 Qf6 10.Qg4 Qf5 11.Qh4+ Qh7 12.Qd4+ Qg7 13.Ne5 Qf6 14.Ng6+ Kg7 15.Qd7+ Rf7 16.Bxf7 Qxf7 17.Qxf7+ Kxf7 18.Ne5+ Ke7 19.Nf3 Ke8 20.a4 Kd7 21.a5 Kc6 22.a6 Kd6 23.a7 Kc5 24.a8Q Kd6 25.Ra6+ Ke7 26.Qb7+ Kd8 27.Ra8+
38/56 15:54 5,185,810k 5,434k +M26 1.e3 Qg5 2.Qf3 Rf8 3.Qc6+ Kf7 4.Nf3 Qf6 5.Qd7+ Kg8 6.Nc3 Qf5 7.Bc4+ Kh8 8.Qd4+ Qf6 9.Qg4 Qf5 10.Qh4+ Qh7 11.Qd4+ Qg7 12.Ne5 Rf5 13.Qd8+ Kh7 14.Bd3 Qxe5 15.Qf8 Kg6 16.Bxf5+ Qxf5 17.Qxf5+ Kxf5 18.a4 Kf6 19.a5 Kg7 20.a6 Kf6 21.a7 Ke7 22.a8Q Kd7 23.Ra7+ Ke6 24.Qc6+ Kf5 25.Ra5+ Kg4 26.Qa4+
39/48 16:26 5,350,713k 5,425k +M24 1.e3 Qg5 2.Qf3 Rf8 3.Qc6+ Kf7 4.Nf3 Qf6 5.Qd7+ Kg8 6.Qg4+ Kh8 7.Nc3 Qf5 8.Qh4+ Qh7 9.Qd4+ Qg7 10.Ne5 Rf5 11.Qd8+ Qg8 12.Ng6+ Kh7 13.Qxg8+ Kxg8 14.Ne7+ Kf7 15.Nxf5 Kg6 16.a4 Kxf5 17.Bd3+ Ke5 18.a5 Kd6 19.a6 Ke7 20.a7 Kf7 21.a8Q Kg7 22.Ra7+ Kh6 23.Qg8 Kh5 24.Rh7+
40/48 16:50 5,466,134k 5,412k +M24 1.e3 Qg5 2.Qf3 Rf8 3.Qc6+ Kf7 4.Nf3 Qf6 5.Qd7+ Kg8 6.Qg4+ Kh8 7.Nc3 Qf5 8.Qh4+ Qh7 9.Qd4+ Qg7 10.Ne5 Rf5 11.Qd8+ Qg8 12.Ng6+ Kh7 13.Qxg8+ Kxg8 14.Ne7+ Kf7 15.Nxf5 Kg6 16.a4 Kh5 17.Bb5 Kg4 18.a5 Kg5 19.a6 Kg4 20.a7 Kxf5 21.a8Q Kg5 22.Ra6 Kh4 23.Qd5 Kg4 24.Ra4+
41/48 17:20 5,624,953k 5,408k +M24 1.e3 Qg5 2.Qf3 Rf8 3.Qc6+ Kf7 4.Nf3 Qf6 5.Qd7+ Kg8 6.Qg4+ Kh8 7.Nc3 Qf5 8.Qh4+ Qh7 9.Qd4+ Qg7 10.Ne5 Rf5 11.Qd8+ Qg8 12.Ng6+ Kh7 13.Qxg8+ Kxg8 14.Ne7+ Kf7 15.Nxf5 Kg6 16.a4 Kh5 17.Bb5 Kg4 18.a5 Kg5 19.a6 Kg4 20.a7 Kxf5 21.a8Q Kg5 22.Ra6 Kh4 23.Qd5 Kg4 24.Ra4+

kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 3:19 pm

Re: forced mate test position

Post by kgburcham » Wed Jul 04, 2018 2:15 am



Nalimov 6 men EGTB available - 999 MB cache
Engine: Houdini 6.01 Pro x64-pext (8192 MB)
by Robert Houdart
8 threads used
12/38 0:00 +30.07 1.e3 Qd5 2.Qf3 Qxf3 3.gxf3 Kd8 4.Nc3 Kc7 5.Bc4 Rf8 6.b3 Rf5 7.Ne4 (4.175.670) 22211
13/38 0:00 +30.58 1.e3 Qc8 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nf3 Qf5 5.Qd4+ Qd7 6.Nc3 Qxd4 7.exd4 Rg8 8.Ne5 Kc7 9.Nb5+ Kc8 10.Bc4 (5.290.682) 22513
14/45 0:00 +30.71 1.e3 Qc8 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qd4+ Qd7 6.Nf3 Qxd4 7.exd4 Ke7 8.Ne5 Ra8 9.Bc4 Kf8 10.b3 (7.657.513) 22588
15/51 0:00 +31.75 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nf3 Qf5 5.Qd4+ Qd7 6.Nc3 Qxd4 7.exd4 Kc8 8.Ne5 Rg8 9.b3 Kb7 10.Ba3 Kc7 11.Nb5+ (18.082.752) 19784
16/51 0:01 +32.20 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nf3 Qf5 5.Qd4+ Qd7 6.Nc3 Qxd4 7.exd4 Kc8 8.Ne5 Kb7 9.b3 Rf5 10.Nb5 Rf4 11.Ba3 Re4+ 12.Be2 (21.584.931) 19893
17/65 0:04 +35.39 1.e3 Ke7 2.Qf3 Qa8 3.b3 Rd8 4.Bc4 Kd7 5.Nc3 Rf8 6.Qg4+ Kd8 7.Qd4+ Kc8 8.Qc5+ Kd7 9.Bb5+ Ke6 10.Ba3 Rd8 11.Qe7+ Kf5 (84.512.846) 20821
18/87 0:04 +39.08 1.e3 Ke7 2.Qg4 Rg8 3.Qe4+ Kf8 4.Qf3+ Kg7 5.Bc4 Re8 6.Qf7+ Kh8 7.Bd3 Qe7 8.Qh5+ Kg7 9.b3 Rg8 10.Bb2+ Kf8 11.Qf3+ Ke8 12.Qa8+ Kd7 13.Bb5+ (106.266.843) 21257
19/87 0:06 +99.96 1.e3 Rh6 2.Qf3 Rf6 3.Qh5+ Kd7 4.Nc3 Kc8 5.Nf3 Rd6 6.Nd4 Qd7 7.Ne4 Rd5 8.Qh6 Qa4 9.Qe6+ Qd7 10.Qa6+ (134.233.597) 22034
20/87 0:06 +100.16 1.e3 Qb6 2.Qg4 Kd8 3.Nc3 Qd6 4.Bb5 Rf8 5.Nf3 Rf6 6.Nd4 Rg6 7.Qf3 Kc7 8.Qf7+ Kb8 9.Nc6+ Qxc6 10.Bxc6 Rxc6 11.Qe8+ (139.718.829) 22219
21/87 0:07 +100.24 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Re8 5.Qa8+ Ke7 6.Qf3 Qd6 7.Bc4 Rc8 8.Qf7+ Kd8 9.Qg8+ Kd7 10.Qg7+ Kd8 11.Nb5 Qb6 12.Qf8+ Kd7 13.Qf7+ Kd8 (172.178.534) 22723
22/87 0:07 +100.24 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Re8 5.Qa8+ Ke7 6.Qf3 Qe6 7.Bb5 Rd8 8.b3 Qd6 9.Bc4 Rb8 10.Ne4 Qb4 11.Qf7+ Kd8 12.Qd5+ Ke7 (172.868.918) 22736
23/87 0:07 +100.24 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Re8 5.Qa8+ Ke7 6.Qf3 Qe6 7.Bb5 Rd8 8.b3 Qd6 9.Bc4 Rb8 10.Ne4 Qb4 11.Qf7+ Kd8 12.Qd5+ Ke7 13.Bb2 (174.769.933) 22780
24/87 0:07 +100.20 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Re8 5.Qa8+ Ke7 6.Qf3 Qe6 7.Bb5 Rd8 8.b3 Qd6 9.Bc4 Rb8 10.Ne4 Qb4 11.Qf7+ Kd8 12.Qd5+ Ke7 13.Bb2 Rf8 14.Qg5+ (178.520.553) 22860
25/87 0:08 +100.44 1.e3 Qd6 2.Qf3 Kd7 3.Nc3 Rc8 4.Qf7+ Kd8 5.Bb5 Rb8 6.Qg8+ Kc7 7.Nd5+ Kb7 8.Qg7+ Ka8 9.Nc7+ Qxc7 10.Qxc7 Rxb5 11.Qc6+ Rb7 12.Qxb7+ Kxb7 13.Ke2 Kc6 14.Kf3 (206.893.102) 23189
26/87 0:15 +107.08 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Kc8 6.Ba6+ Kd7 7.Qd4+ Ke8 8.Nf3 Rf6 9.Bb5+ Kf8 10.Bc4 Ke8 11.Nd5 Rc6 12.Qg7 Qf7 13.Qxf7+ Kxf7 14.Ne5+ (381.999.837) 24111
27/87 0:21 +111.64 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Qb8+ Ke7 8.Qb4+ Kf7 9.Bc4+ Kg6 10.Qxf8 Qxc4 11.Qd6+ Kg7 12.Qd4+ Qxd4 13.exd4 Kg6 14.h4 (536.600.914) 24975
28/87 0:21 +112.68 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Qb8+ Ke7 8.Qb4+ Kf7 9.Bc4+ Kg6 10.Qxf8 Qxc4 11.Qd6+ Kg7 12.Qd4+ Qxd4 13.exd4 Kg6 14.h4 (549.992.400) 25040
29/87 0:37 +M38 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Kd7 6.Bb5+ Kc8 7.Ba6+ Kd7 8.Qd4+ Ke8 9.Nf3 Rf6 10.Bb5+ Kf8 11.Bc4 Ke8 12.Nd5 Rc6 13.Bb5 Kf8 14.Bxc6 (970.647.730) 26083
30/87 0:41 +M29 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Qb8+ Ke7 8.Qb4+ Qd6 9.Qb7+ Qd7 10.Nd5+ Ke6 11.Qa6+ Qd6 12.Nf4+ Ke7 13.Ng6+ Ke6 14.Bc4+ (1.108.144.468) 26422
31/87 0:47 +M26 1.e3 Qf6 2.Qg4 Kd8 3.Nc3 Qd6 4.Qf3 Ke7 5.Bc4 Rb8 6.Nd5+ Kd8 7.Qf7 Rb6 8.Qg8+ Kd7 9.Qg4+ Kd8 10.Nxb6 Qxb6 11.Qd4+ Qxd4 12.exd4 Ke7 13.h4 Kd7 14.h5 (1.267.431.601) 26726
32/87 0:55 +M25 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Qb8+ Ke7 8.Qb4+ Qd6 9.Qb7+ Qd7 10.Nd5+ Ke6 11.Qb6+ Qd6 12.Nf4+ Ke7 13.Ng6+ Kd7 14.Bb5+ (1.518.051.954) 27521
33/87 0:55 +M25 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Qb8+ Ke7 8.Qb4+ Qd6 9.Qb7+ Qd7 10.Nd5+ Ke6 11.Qb6+ Qd6 12.Nf4+ Ke7 13.Ng6+ Kd7 14.Bb5+ (1.522.805.046) 27520
34/87 0:56 +M25 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Qb8+ Ke7 8.Qb4+ Qd6 9.Qb7+ Qd7 10.Nd5+ Ke6 11.Qb6+ Qd6 12.Nf4+ Ke7 13.Ng6+ Kd7 14.Bb5+ (1.545.209.377) 27516
35/87 1:14 +M24 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Bb5 Qc7 8.Qg6 Kc8 9.Nd5 Qc5 10.Qe6+ Kb8 11.Qd7 Rc8 12.Ba6 Rc7 13.Qxc7+ Qxc7 14.Nxc7 (2.050.057.457) 27593
36/87 1:14 +M23 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Bb5 Qc7 8.Qg6 Kc8 9.Nd5 Qc5 10.Qe6+ Kb8 11.Qd7 Rc8 12.Ba6 Rc7 13.Nxc7 Qxc7 14.Qxc7+ (2.051.239.577) 27591
37/87 1:14 +M23 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Bb5 Qc7 8.Qg6 Kc8 9.Nd5 Qc5 10.Qe6+ Kb8 11.Qd7 Rc8 12.Ba6 Rc7 13.Nxc7 Qxc7 14.Qxc7+ (2.055.845.718) 27589
38/87 1:14 +M23 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Bb5 Qc7 8.Qg6 Kc8 9.Nd5 Qc5 10.Qe6+ Kb8 11.Qd7 Rc8 12.Ba6 Rc7 13.Nxc7 Qxc7 14.Qxc7+ (2.067.881.066) 27587
39/87 1:18 +M23 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Bb5 Qc7 8.Qg6 Kc8 9.Nd5 Qc5 10.Qe6+ Kb8 11.Qd7 Rc8 12.Ba6 Rc7 13.Nxc7 Qxc7 14.Qxc7+ (2.157.982.433) 27600 TB:3
40/87 1:18 +M23 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Bb5 Qc7 8.Qg6 Kc8 9.Nd5 Qc5 10.Qe6+ Kb8 11.Qd7 Rc8 12.Ba6 Qc6 13.Bxc8 Qxc8 14.Qxc8+ (2.170.299.833) 27606 TB:3
41/87 1:24 +M23 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Bb5 Qc7 8.Qg6 Kc8 9.Nd5 Qc5 10.Qe6+ Kb8 11.Qd7 Rc8 12.Ba6 Qc6 13.Bxc8 Qxc8 14.Qxc8+ (2.360.150.024) 27836 TB:3
42/87 1:27 +M23 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Bb5 Qc7 8.Qg6 Kc8 9.Nd5 Qc5 10.Qe6+ Kb8 11.Qd7 Rc8 12.Ba6 Qc6 13.Bxc8 Qxc8 14.Qxc8+ (2.458.748.186) 27964 TB:3
43/87 1:29 +M23 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nc3 Qf5 5.Qh4+ Qf6 6.Qg3 Qc6 7.Bb5 Qc7 8.Qg6 Kc8 9.Nd5 Qc5 10.Qe6+ Kb8 11.Qd7 Rc8 12.Ba6 Qc6 13.Bxc8 Qxc8 14.Qxc8+ (2.496.777.953) 27977 TB:3
44/87 5:09 +M19 1.e3 Qd7 2.b3 Kd8 3.Qf3 Kc7 4.Ba3 Qe6 5.Bd3 Re8 6.Qf4+ Kb7 7.Bd6 Kc6 8.Qb4 Qd5 9.Qa4+ Kxd6 10.Qxe8 Kc7 11.Nc3 Qc6 12.Nb5+ Kb6 13.Qe7 Qb7 14.Qd8+ (9.159.944.576) 29636 TB:13
45/87 8:47 +M18 1.e3 Qd7 2.b3 Kd8 3.Qf3 Kc7 4.Ba3 Re8 5.Qf4+ Kb7 6.Qb4+ Kc7 7.Qa5+ Kb8 8.Bb5 Qc7 9.Qxc7+ Kxc7 10.Bxe8 Kb6 11.h4 Kb7 12.Bc5 Ka8 13.Bb5 Kb8 14.h5 (16.165.112.438) 30653 TB:14
best move: e2-e3 time: 11:27.985 min n/s: 31.240.000 nodes: 21.430.837.946 TB: 14
Last edited by kgburcham on Wed Jul 04, 2018 2:44 am, edited 1 time in total.
no chess program was born totally from one mind. all chess programs have many ideas from many minds.

kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 3:19 pm

Re: forced mate test position

Post by kgburcham » Wed Jul 04, 2018 2:28 am



Engine: Stockfish 040718 64 BMI2 (8192 MB)
by T. Romstad, M. Costalba, J. Kiiski, G.

29/52 2:03 +132.45++ 1.e3 (2.761.826.759) 22330
29/58 2:21 +132.59 1.e3 Qd5 2.Qg4 Qd7 3.Qg6+ Qf7 4.Qc6+ Qd7 5.Qa8+ Qd8 6.Qa4+ Kf8 7.Qf4+ Kg7 8.Qg4+ Kh6 9.Bd3 Rg8 10.Qh3+ Kg7 11.Qh7+ Kf6 12.Qh6+ Ke7 13.Bc4 Kd7 14.Qh7+ (3.196.334.598) 22622
30/49 2:23 +132.67++ 1.e3 (3.249.015.717) 22632
30/49 2:24 +132.74++ 1.e3 (3.260.471.484) 22633
30/49 2:24 +M57++ 1.e3 (3.271.622.940) 22629
30/49 2:25 +M38++ 1.e3 (3.289.954.732) 22624
30/52 2:30 +M32 1.e3 Qd6 2.Qg4 Qd7 3.Qf3 Ke7 4.Nc3 Qe6 5.Qb7+ Kf8 6.Nf3 Qe7 7.Qc8+ Qe8 8.Qg4 Rh6 9.Bc4 Rc6 10.Qg8+ Ke7 11.Qxe8+ Kxe8 12.Bb5 Kf7 13.Bxc6 Kg6 14.Bb5 (3.410.010.916) 22666
31/48 2:35 +M29 1.e3 Qd6 2.Qg4 Qd7 3.Qf3 Ke7 4.Nc3 Qe6 5.Qb7+ Kf8 6.Nf3 Qe7 7.Qc8+ Qe8 8.Qg4 Rh6 9.Bc4 Rc6 10.Qg8+ Ke7 11.Qxe8+ Kxe8 12.Bb5 Kf7 13.Bxc6 Kg6 14.Bb5 (3.519.131.141) 22675
32/54 2:45 +M28 1.e3 Qh4 2.Qf3 Ke7 3.Qb7+ Kf8 4.Nf3 Qe7 5.Qc6 Kg7 6.Nd4 Qf6 7.Qd7+ Qf7 8.Ne6+ Kg6 9.Bd3+ Kf6 10.Qd4+ Ke7 11.Qc5+ Kxe6 12.Bc4+ Kf6 13.Bxf7 Kxf7 14.Qf5+ (3.760.386.975) 22658
33/50 3:04 +M24 1.e3 Qh4 2.Qf3 Ke7 3.Qb7+ Kf8 4.Nf3 Qe7 5.Qc6 Rh5 6.Nd4 Re5 7.Qh6+ Kf7 8.Bc4+ Ke8 9.Qc6+ Kd8 10.Ne6+ Rxe6 11.Qxe6 Qb7 12.Qd6+ Ke8 13.Nc3 Qxg2 14.Qb8+ (4.198.096.241) 22806
34/52 3:15 +M24 1.e3 Qd6 2.Qg4 Qd7 3.Qf3 Ke7 4.Nc3 Qe6 5.Qb7+ Kf8 6.Nf3 Qe7 7.Qb8+ Qe8 8.Qf4+ Qf7 9.Qe4 Rh6 10.Ne5 Re6 11.Nxf7 Rxe4 12.Nxe4 Kg7 13.Nc3 Kg6 14.Ng5 (4.489.615.749) 22997
35/50 3:43 +M22 1.e3 Qg5 2.Qf3 Rf8 3.Qe4+ Qe7 4.Bb5+ Kf7 5.Qg4 Rd8 6.Bc4+ Ke8 7.Nc3 Rd6 8.Nf3 Kd8 9.Nd4 Qe5 10.Qg8+ Qe8 11.Ne6+ Rxe6 12.Bxe6 Qxg8 13.Bxg8 Ke8 14.a4 (5.220.898.050) 23313
36/44 3:49 +M22 1.e3 Qg5 2.Qf3 Rf8 3.Qe4+ Qe7 4.Bb5+ Kf7 5.Qg4 Rd8 6.Bc4+ Ke8 7.Nc3 Rd6 8.Nf3 Kd8 9.Nd4 Qe5 10.Qg8+ Qe8 11.Ne6+ Rxe6 12.Bxe6 Qxg8 13.Bxg8 Ke8 14.a4 (5.368.195.490) 23378
37/42 3:54 +M21 1.e3 Qg5 2.Qf3 Rf8 3.Qe4+ Qe7 4.Bb5+ Kf7 5.Qg4 Rd8 6.Bc4+ Ke8 7.Nc3 Rd6 8.Nf3 Kd8 9.Nd4 Kc7 10.Ndb5+ Kd8 11.Nxd6 Qxd6 12.Qg8+ Kd7 13.Bb5+ Kc7 14.Qa8 (5.493.420.602) 23420
38/42 4:03 +M21 1.e3 Qg5 2.Qf3 Rf8 3.Qe4+ Qe7 4.Bb5+ Kf7 5.Qg4 Rd8 6.Bc4+ Ke8 7.Nc3 Rd6 8.Nf3 Kd8 9.Nd4 Kc7 10.Ndb5+ Kd8 11.Nxd6 Qxd6 12.Qg8+ Kd7 13.Nd5 Qc5 14.Nf6+ (5.719.327.781) 23442
39/42 4:09 +M21 1.e3 Qg5 2.Qf3 Rf8 3.Qe4+ Qe7 4.Bb5+ Kf7 5.Qg4 Rd8 6.Bc4+ Ke8 7.Nc3 Rd6 8.Nf3 Kd8 9.Nd4 Kc7 10.Ndb5+ Kd8 11.Nxd6 Qxd6 12.Qg8+ Kd7 13.Nd5 Qc5 14.Nf6+ (5.864.903.906) 23483
40/58 4:57 +M21 1.e3 Qc8 2.Qf3 Rf8 3.Qe4+ Kd8 4.Nf3 Qf5 5.Qb4 Rf7 6.Nc3 Rf6 7.Bd3 Qd7 8.Qa5+ Qc7 9.Qxc7+ Kxc7 10.Nd5+ Kb8 11.Nxf6 Kc7 12.Bf1 Kd6 13.a4 Ke7 14.a5 (6.999.766.959) 23554
41/42 5:23 +M20 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Qe7 4.Bb5+ Kf7 5.Qg4 Rd8 6.Bc4+ Ke8 7.Nc3 Rd6 8.Nf3 Kd8 9.Nd4 Qe8 10.Qf4 Qg6 11.Nd5 Rxd5 12.Qb8+ Kd7 13.Qb7+ Kd6 14.Qxd5+ (7.618.660.877) 23560
42/40 5:27 +M20 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Qe7 4.Bb5+ Kf7 5.Qg4 Rd8 6.Bc4+ Ke8 7.Nc3 Rd6 8.Nf3 Kd8 9.Nd4 Qe8 10.Qf4 Qg6 11.Nd5 Rxd5 12.Qb8+ Kd7 13.Qb7+ Kd6 14.Qxd5+ (7.712.558.878) 23549
43/40 5:32 +M20 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Qe7 4.Bb5+ Kf7 5.Qg4 Rd8 6.Bc4+ Ke8 7.Nc3 Rd6 8.Nf3 Kd8 9.Nd4 Qe8 10.Qf4 Qg6 11.Nd5 Rxd5 12.Qb8+ Kd7 13.Qb7+ Kd6 14.Qxd5+ (7.834.142.618) 23550
44/40 5:37 +M20 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Qe7 4.Bb5+ Kf7 5.Qg4 Rd8 6.Bc4+ Ke8 7.Nc3 Rd6 8.Nf3 Kd8 9.Nd4 Qe8 10.Qf4 Qg6 11.Nd5 Rxd5 12.Qb8+ Kd7 13.Qb7+ Kd6 14.Qxd5+ (7.956.613.312) 23542
45/40 5:41 +M20 1.e3 Qd7 2.Qf3 Rf8 3.Qe4+ Qe7 4.Bb5+ Kf7 5.Qg4 Rd8 6.Bc4+ Ke8 7.Nc3 Rd6 8.Nf3 Kd8 9.Nd4 Qe8 10.Qf4 Qg6 11.Nd5 Rxd5 12.Qb8+ Kd7 13.Qb7+ Kd6 14.Qxd5+ (8.037.456.100) 23538
best move: e2-e3 time: 5:41.828 min n/s: 23.538.982 nodes: 8.037.456.100
no chess program was born totally from one mind. all chess programs have many ideas from many minds.

User avatar
MikeB
Posts: 3835
Joined: Thu Mar 09, 2006 5:34 am
Location: Pen Argyl, Pennsylvania

Re: forced mate test position

Post by MikeB » Wed Jul 04, 2018 4:10 am

Uri Blass wrote:
Wed Jul 04, 2018 1:19 am
how much time does your program need to find forced mates?

stockfish 3 cores 1024 mbytes



snip[]
McBrain 9.5

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 37	  #20 	9.66G	5:30.92	e3 Qc8 Nf3 Qc5 Nc3 Kf8 Qe2 Rh6 Nd4 Qh5 Qc4 Qe5 Qc8+ Qe8 Qc5+ Qe7 Qxe7+ Kxe7 Nf5+ Kf7 Nxh6+ Ke6 Bd3 Ke7 Ng4 Ke8 a4 Kf7 a5 Ke7 a6 Kd6 a7 Kd7 a8=Q Ke6 Ra7 Kd6 Qd5# 
 36	  #20 	9.66G	5:30.80	e3 Qc8 Nf3 Qc5 Nc3 Kf8 Qe2 Rh6 Nd4 Qh5 Qc4 Qe5 Qc8+ Qe8 Qc5+ Qe7 Qxe7+ Kxe7 Nf5+ Ke8 Nxh6 Kf8 Ng4 Kf7 Bd3 Ke8 a4 Kf7 a5 Ke7 a6 Kd6 a7 Kd7 a8=Q Ke6 Ra7 Kd6 Qd5# 
 35	  #20 	7.67G	4:23.10	e3 Qc8 Nf3 Rg8 Nc3 Rg7 Qe2 Qb7 Nd4 Rg5 Qc4 Qd7 Qa6 Kf7 Bb5 Qe7 Bc4+ Kg7 Ne6+ Kh7 Nxg5+ Qxg5 Qe6 Kg7 Qf7+ Kh8 Qf8+ Kh7 Bd3+ Qg6 Bxg6+ Kxg6 h4 Kh7 Nd5 Kg6 h5+ Kh7 Nf6# 
 34	  #20 	6.99G	4:00.03	e3 Qc8 Nf3 Qc5 Nc3 Kf8 Qe2 Qh5 Qc4 Rh6 Nd4 Qe5 Qc8+ Qe8 Qc5+ Qe7 Qxe7+ Kxe7 Nf5+ Kf8 Nxh6 Ke8 Nf5 Kd7 a4 Ke8 a5 Kd7 a6 Ke6 a7 Kf6 Ra6+ Kf7 Bc4+ Ke8 a8=Q+ Kd7 Ra7# 
 33	  #22 	4.57G	2:38.36	e3 Qc8 Nf3 Qc5 Nc3 Qf5 Qe2 O-O Qc4+ Rf7 Bd3 Qf6 Qc8+ Kg7 Qh3 Qh6 Qg4+ Kf8 Nd4 Qd6 Bc4 Qe5 Bxf7 Kxf7 Qf4+ Qxf4 exf4 Kg6 a4 Kf7 a5 Kg6 a6 Kh5 a7 Kg4 a8=Q Kh5 Ra6 Kg4 Qd5 Kxf4 Qf5# 
 32	  #24 	3.86G	2:13.91	e3 Qc8 Nf3 Qg4 Qe2 O-O Qb5 Qf5 Qc4+ Kh8 Bd3 Qf6 Nc3 Ra8 Qc7 Qg7 Qf4 Rc8 Qh4+ Kg8 Bc4+ Rxc4 Qxc4+ Kh7 Qh4+ Kg8 Qg5 Qxg5 Nxg5 Kh8 a4 Kg8 a5 Kf8 a6 Kg7 a7 Kg6 a8=Q Kg7 Ra7+ Kf6 Ra6+ Kxg5 h4+ Kf5 Qe4# 
 31	  #24 	3.57G	2:04.15	e3 Qc8 Nf3 Qg4 Qe2 O-O Qb5 Qf5 Qc4+ Kh8 Bd3 Qf6 Nc3 Ra8 Qc7 Qg7 Qf4 Rc8 Qh4+ Kg8 Bc4+ Rxc4 Qxc4+ Kh7 Qh4+ Kg8 Qg5 Qxg5 Nxg5 Kh8 a4 Kg8 a5 Kf8 a6 Kg7 a7 Kg6 a8=Q Kg7 Ra7+ Kf6 Ra6+ Kxg5 h4+ Kf5 Qe4# 
 30	  #24 	3.54G	2:02.90	e3 Qc8 Nf3 Qg4 Qe2 O-O Qb5 Qf5 Qc4+ Kh8 Bd3 Qf6 Nc3 Ra8 Qc7 Qg7 Qf4 Rc8 Qh4+ Kg8 Bc4+ Rxc4 Qxc4+ Kh7 Qh4+ Kg8 Qg5 Qxg5 Nxg5 Kh8 a4 Kg8 a5 Kf8 a6 Kg7 a7 Kg6 a8=Q Kg7 Ra7+ Kf6 Ra6+ Kxg5 h4+ Kf5 Qe4# 
 29	  #24 	3.42G	1:58.69	e3 Qc8 Nf3 Qg4 Qe2 O-O Qb5 Qf5 Qc4+ Kh8 Bd3 Qf6 Nc3 Ra8 Qc7 Qg7 Qf4 Rc8 Qh4+ Kg8 Bc4+ Rxc4 Qxc4+ Kh7 Qh4+ Kg8 Qg5 Qxg5 Nxg5 Kh8 a4 Kg8 a5 Kf8 a6 Kg7 a7 Kg6 a8=Q Kg7 Ra7+ Kf6 Ra6+ Kxg5 h4+ Kf5 Qe4# 
 28	  #26 	3.03G	1:45.56	e3 Qd6 Qg4 Kd8 Nc3 Qd7 Qg5+ Qe7 Qf4 Rf8 Qb8+ Kd7 Qb7+ Kd8 Qa8+ Kd7 Bb5+ Ke6 Qe4+ Kf7 Qh7+ Ke6 Qg6+ Rf6 Qe4+ Kf7 Qxe7+ Kxe7 Nd5+ Kd8 Nxf6 Ke7 a4 Kf8 a5 Kg7 a6 Kh8 a7 Kg7 a8=Q Kf7 Bc4+ Ke7 Ra7+ Kxf6 Qc6+ Kf5 Ra5+ Kg4 
 27	  #28 	2.86G	1:39.60	e3 Qd6 Qg4 Kd8 Nc3 Qd7 Qg5+ Qe7 Qf4 Rf8 Qb8+ Kd7 Qb7+ Ke8 Bb5+ Kf7 Bc4+ Ke8 Qc6+ Qd7 Qg6+ Kd8 Nd5 Rf5 Qb6+ Ke8 Qb8+ Kf7 Nb6+ Ke7 Nxd7 Kxd7 Qb7+ Kd6 Qb6+ Kd7 Qe6+ Kc7 Qxf5 Kb8 Qf8+ Kb7 Qg7+ Kc6 
 26	+132.73 	2.26G	1:19.47	e3 Rh6 Qg4 Qb6 Nc3 Rg6 Qc8+ Qd8 Bb5+ Ke7 Qf5 Qd6 Nd5+ Kd8 Qf7 Kc8 Ne7+ Kb8 Qxg6 Qxg6 Nxg6 Ka8 Ne7 Ka7 Bc4 Kb6 Nd5+ Kc6 Nf3 Kd7 Bb5+ Kd8 Bd3 Kc8 Nd4 
 26	+132.48!	2.01G	1:10.65	e3! 
 26	+92.97!	2.00G	1:10.48	e3! 
 25	+84.35 	1.93G	1:08.08	e3 Rh6 Qg4 Qf6 Nf3 Kd8 Nc3 Qg6 Qc4 Qe6 Qc5 Rg6 Qa5+ Ke7 Nd4 Qc8 Qe5+ Kf7 Qd5+ Kf6 Qf3+ Kg7 Nf5+ Kg8 Qd5+ Re6 Ne7+ Kg7 Nxc8 Rf6 Qg5+ Rg6 Qe5+ Rf6 Qe7+ Rf7 Qg5+ Kf8 Qh6+ Ke8 Bb5+ Rd7 Bxd7+ Kf7 
 24	+79.95 	1.38G	0:49.33	e3 Qd5 Qg4 Kd8 Nc3 Qd7 Qg5+ Qe7 Qf4 Rf8 Qb8+ Kd7 Qb7+ Kd8 Qa8+ Kd7 Bb5+ Ke6 Qe4+ Kf7 Qh7+ Ke6 Qg6+ Qf6 Qe4+ Qe5 Bc4+ Kf6 Nd5+ Ke6 Qg6+ Kd7 Bb5+ Kd8 Qb6+ Kc8 Qc5+ Kb8 Qxf8+ Ka7 Qc5+ Kb8 Qb6+ Kc8 Qc6+ Kb8 Qe8+ Qxe8 Bxe8 
 23	+73.89 	942.6M	0:34.03	e3 Qd5 Qg4 Kd8 Nc3 Qd7 Qg5+ Qe7 Qf4 Rf8 Qb8+ Kd7 Qa7+ Ke8 Bb5+ Kf7 Bc4+ Ke8 Qa8+ Kd7 Bb5+ Ke6 Qe4+ Kf7 Qh7+ Ke6 Qg6+ Qf6 Qe4+ Qe5 Bc4+ Kf6 Nd5+ Ke6 Nb6+ Kf6 Qxe5+ Kxe5 Nd7+ Kd6 Nxf8 Ke7 Bd5 
 22	+70.49 	706.8M	0:25.61	e3 Qd5 Qg4 Qh5 Qc8+ Kf7 Qb7+ Kf8 Bc4 Rh6 Nc3 Qe8 Nf3 Rd6 Qh7 Qg6 Qc7 Qf6 Qc8+ Rd8 Qg4 Ke8 Qg8+ Kd7 Nd5 Kc6 
 22	+66.72!	563.5M	0:20.46	e3! 
 22	+62.87!	559.8M	0:20.33	e3! 
 22	+57.47!	559.6M	0:20.32	e3! 
 22	+53.61!	559.2M	0:20.30	e3! 
 22	+38.15?	555.1M	0:20.16	e3 Rf8? 
 22	+65.21!	397.6M	0:14.51	e3! 
 22	+61.36!	305.7M	0:11.19	e3! 
 22	+57.50!	301.3M	0:11.03	e3! 
 22	+53.65!	299.7M	0:10.97	e3! 
 22	+49.80!	298.3M	0:10.92	e3! 
 22	+45.94!	295.4M	0:10.81	e3! 
 22	+42.09!	292.0M	0:10.69	e3! 
 21	+38.23 	259.2M	0:09.49	e3 Qe7 Qg4 Qh4 Qf3 Kd8 Qa8+ Ke7 Qb7+ Kf8 Nf3 Qe7 Qc8+ Qe8 Qg4 Rg8 Qf5+ Ke7 Nc3 Rg6 Qf4 Qg8 Bc4 Kd7 Bxg8 Rxg2 Ne5+ Kd8 
 21	+35.71!	194.1M	0:07.07	e3! 
 20	+32.43 	148.6M	0:05.38	e3 Qd7 Nf3 Rh5 Qe2 Kf8 Nc3 Ke7 Qc4 Kf6 Qf4+ Qf5 Qd4+ Ke7 Qb4+ Qc5 Qb7+ Kf8 Qb8+ Kg7 Bd3 Qc6 Qg3+ Kh8 Nd4 Qe8 
 20	+32.10!	85.6M  	0:03.06	e3! 
 19	+29.15 	49.9M  	0:01.78	e3 Qg5 Nf3 Qg4 Qe2 O-O Nc3 Kg7 Qc4 Qxc4 Bxc4 Ra8 b3 Rb8 Nd4 Kh6 Nd5 Kh5 O-O Kh6 
 18	+29.06 	34.0M  	0:01.21	Nc3 Qd7 e3 Qf5 Nf3 Qf7 Qe2 O-O Qc4 Kg7 Qg4+ Qg6 Qxg6+ Kxg6 Bc4 Rb8 Nd4 Kh7 Bd3+ Kg8 
 17	+29.03 	29.5M  	0:01.05	Nc3 Qd7 e3 O-O Nf3 Qf7 Bd3 Qh5 Nd4 Qxd1+ Nxd1 Rb8 Bb5 Kg7 O-O Kg8 Bd3 Rb6 
 16	+29.01 	28.5M  	0:01.02	Nc3 Kf8 e3 Qd7 Qf3+ Kg7 Bb5 Qe6 Qb7+ Kh6 Bd3 Qg8 Qf3 Kg7 Nge2 Qf7 Qxf7+ Kxf7 Nd4 
 15	+28.67 	8.89M  	0:00.32	Nc3 Qc7 Nf3 Kd7 e3 Kc8 Bd3 Qd6 O-O Kb7 Ne4 Qd5 b3 Qc6 Bb2 Ra8 Ne5 Qd5 
 14	+28.57 	5.40M  	0:00.20	Nc3 Qc7 Nf3 Kd7 e3 Kc8 Bd3 Qg7 O-O Kb8 g3 Qf6 Qe2 Kb7 Ne4 
 13	+28.45 	3.43M  	0:00.13	Nc3 Qc8 Nf3 Kd8 e3 Kc7 Nd4 Qa8 Qg4 Rg8 Qe4 Qxe4 Nxe4 
 12	+28.35 	1.55M  	0:00.06	Nc3 Qc8 Nf3 Kf8 e3 Qb7 Nd4 Qa8 Qg4 Qb8 Nf3 Qd6 
 11	+28.25 	961192	0:00.04	Nc3 Qc8 Nf3 Rh6 d3 Rb6 Nd4 Kf7 Ne4 Kg7 Qd2 
 10	+28.12 	571999	0:00.02	Nc3 Qc7 Nf3 Kf8 e3 Kg8 Nd5 Qd6 Bc4 Rh7 
  9	+28.05 	210846	0:00.01	Nc3 Rg8 e3 Kd7 Nf3 Kc8 Ke2 Kb7 Ne5 
  8	+27.91 	59475  	0:00.00	Nc3 Kf8 Nf3 Rh7 d3 Qd6 Be3 Kg7 Bd4+ Kg6 
  7	+27.99 	49444  	0:00.00	Nc3 Kf8 Nf3 Rh5 e3 Kg7 Ne4 
  6	+27.84 	21484  	0:00.00	Nc3 Kf8 Nf3 Kg7 Ne5 Rf8 
  5	+27.81 	8390    	0:00.00	Nc3 Kf7 e3 Re8 Nge2 
  4	+27.86 	5124    	0:00.00	Nc3 Rh6 d3 Rb6 
  3	+31.39 	2424    	0:00.00	a3 Rh4 c3 
  2	+27.68 	1552    	0:00.00	Nc3 Rf8 
  1	+27.68 	784      	0:00.00	Nc3 

Joerg Oster
Posts: 704
Joined: Fri Mar 10, 2006 3:29 pm
Location: Germany

Re: forced mate test position

Post by Joerg Oster » Wed Jul 04, 2018 7:47 am

Uri Blass wrote:
Wed Jul 04, 2018 1:19 am
how much time does your program need to find forced mates?

stockfish 3 cores 1024 mbytes

My Stockfish Mod, with 3 Threads and 1024 MB Hash, announces first mate score after 4:13 at depth 29,
and mate in 18 after 7:53 at depth 34.

Code: Select all

info depth 28 seldepth 65 multipv 1 score cp 13279 nodes 1498752951 nps 8513174 hashfull 999 tbhits 0 time 176051 pv e2e4 d8d7 d2d4 e8d8 b1c3 d8c8 c3d5 d7e6 d1d3 h8e8 d3c3 c8b7 c3c7 b7a8 c7a5 a8b7 f1a6 e6a6 a5a6 b7a6 d5c7 a6a7 c7e8 a7b7 e8d6 b7b8 d4d5 b8c7 d6b5 c7c8 g1f3 c8b7 d5d6 b7c6 f3e5 c6b5 d6d7 b5a6 d7d8q
info depth 29 currmove e2e4 currmovenumber 1
info depth 29 currmove f2f3 currmovenumber 2
info depth 29 currmove g1f3 currmovenumber 3
info depth 29 currmove e2e3 currmovenumber 4
info depth 29 currmove d2d4 currmovenumber 5
info depth 29 currmove d2d3 currmovenumber 6
info depth 29 currmove b2b3 currmovenumber 7
info depth 29 currmove c2c3 currmovenumber 8
info depth 29 currmove b1a3 currmovenumber 9
info depth 29 currmove b1c3 currmovenumber 10
info depth 29 currmove f2f4 currmovenumber 11
info depth 29 currmove g2g3 currmovenumber 12
info depth 29 currmove a2a3 currmovenumber 13
info depth 29 currmove b2b4 currmovenumber 14
info depth 29 currmove g2g4 currmovenumber 15
info depth 29 currmove g1h3 currmovenumber 16
info depth 29 currmove a2a4 currmovenumber 17
info depth 29 currmove h2h3 currmovenumber 18
info depth 29 currmove h2h4 currmovenumber 19
info depth 29 currmove c2c4 currmovenumber 20
info depth 29 seldepth 58 multipv 1 score mate 21 nodes 2223172890 nps 8797502 hashfull 999 tbhits 0 time 252705 pv e2e4 d8f6 d2d4 h8f8 d1h5 f6f7 h5b5 f7d7 b5e5 d7e7 f1b5 e8f7 e5h5 f7g7 c1h6 g7g8 b5c4 f8f7 h5f7 e7f7 c4f7 g8f7 b1c3 f7g6 d4d5 g6f6 d5d6 f6e6 e1c1 e6d7 g1f3 d7e8 d6d7 e8d8 h6f4 d8e7 d7d8q e7f7 d1d7 f7e6 f3g5
...
info depth 34 seldepth 37 multipv 1 score mate 18 nodes 4400286953 nps 9294953 hashfull 999 tbhits 0 time 473406 pv e2e4 d8e7 b1c3 e8g8 d2d4 g8h8 g1f3 e7f7 d1d2 f7h5 f1c4 h8g7 f3e5 h5h4 d2e3 f8h8 e3f3 h8f8 f3g3 h4g3 h2g3 f8f6 c3d5 f6e6 c1g5 e6d6 d5e7 d6f6 g5f6 g7f6 h1h7 f6g5 e5f3 g5f6 h7f7
Jörg Oster

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