Engines can't solve this puzzle (even not Stockfish 5)
Posted: Tue Jul 22, 2014 8:18 am
Mate in 18:
[d]1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1
Stockfish 5 gave up pretty early. As it is mate in 18, I thought engines would solve this reaching to 18*2 = 36 ply. But no! It's really difficult for them. I've let Houdini 4 Pro to analyse for more than a hour (36 plies), and Deep Rybka 4.1 for 40(!) plies. Here are the analysis:
FEN: 1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1
Houdini 4 Pro:
4/18 00:00 774 387k 0.00 a7xb8Q c4-c3 Qb8xb7
5/18 00:00 825 412k 0.00 a7xb8Q c4-c3 Qb8xb7
6/18 00:00 876 146k 0.00 a7xb8Q c4-c3 Qb8xb7
7/18 00:00 1k 33k 0.00 a7xb8Q c4-c3 Qb8xb7
8/18 00:00 1k 38k 0.00 a7xb8Q c4-c3 Qb8xb7
9/18 00:00 2k 46k 0.00 a7xb8Q c4-c3 Qb8xb7
10/18 00:00 2k 42k 0.00 a7xb8Q c4-c3 Qb8xb7
11/18 00:00 3k 63k 0.00 a7xb8Q c4-c3 Qb8xb7
12/18 00:00 6k 96k 0.00 a7xb8Q c4-c3 Qb8xb7
13/18 00:00 10k 167k 0.00 a7xb8Q c4-c3 Qb8xb7
14/18 00:00 20k 301k 0.00 a7xb8Q c4-c3 Qb8xb7
15/19 00:00 36k 497k 0.00 a7xb8Q c4-c3 Qb8xb7
16/19 00:00 63k 778k 0.00 a7xb8Q c4-c3 Qb8xb7
17/21 00:00 111k 1,196k 0.00 a7xb8Q c4-c3 Qb8xb7
18/27 00:00 190k 1,700k 0.00 a7xb8Q c4-c3 Qb8xb7
19/27 00:00 315k 2,216k 0.00 a7xb8Q c4-c3 Qb8xb7
20/27 00:00 486k 2,656k 0.00 a7xb8Q c4-c3 Qb8xb7
21/36 00:00 882k 3,253k 0.00 a7xb8Q c4-c3 Qb8xb7
22/37 00:00 1,475k 3,670k 0.00 a7xb8Q c4-c3 Qb8xb7
23/41 00:00 2,722k 4,026k 0.00 a7xb8Q c4-c3 Qb8xb7
24/43 00:01 5,012k 4,205k 0.00 a7xb8Q c4-c3 Qb8xb7
25/45 00:02 9,975k 4,303k 0.00 a7xb8Q c4-c3 Qb8xb7
26/45 00:04 17,932k 4,376k 0.00 a7xb8Q c4-c3 Qb8xb7
27/49 00:07 31,905k 4,335k 0.00 a7xb8Q c4-c3 Qb8xb7
28/51 00:13 59,662k 4,369k 0.00 a7xb8Q c4-c3 Qb8xb7
29/53 00:25 109,376k 4,342k 0.00 a7xb8Q c4-c3 Qb8xb7
30/59 00:48 212,787k 4,424k 0.00 a7xb8Q c4-c3 Qb8xb7
31/65 01:37 416,413k 4,250k 0.00 a7xb8Q c4-c3 Qb8xb7
32/70 04:38 1,157,995k 4,164k 0.00 a7xb8Q c4-c3 Qb8xb7
33/70 07:55 1,951,140k 4,104k 0.00 a7xb8Q c4-c3 Qb8xb7
34/70 15:15 3,694,830k 4,037k 0.00 a7xb8Q c4-c3 Qb8xb7
35/73 28:22 6,759,481k 3,969k 0.00 a7xb8Q c4-c3 Qb8xb7
36/78 1:01:42 14,749,519k 3,983k 0.00 a7xb8Q c4-c3 Qb8xb7
FEN: 1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1
Stockfish 5 64 bit:
1/1 00:00 37 9k -10.40 a7xb8Q
2/2 00:00 71 18k -7.90 a7xb8Q c4-c3 Qb8xb7
3/3 00:00 122 31k -7.90 a7xb8Q c4-c3 Qb8xb7
4/4 00:00 174 35k 0.00 a7xb8Q c4-c3 Qb8xb7
5/4 00:00 226 45k 0.00 a7xb8Q c4-c3 Qb8xb7
6/4 00:00 278 46k 0.00 a7xb8Q c4-c3 Qb8xb7
7/4 00:00 330 55k 0.00 a7xb8Q c4-c3 Qb8xb7
8/4 00:00 387 55k 0.00 a7xb8Q c4-c3 Qb8xb7
9/4 00:00 446 64k 0.00 a7xb8Q c4-c3 Qb8xb7
10/4 00:00 595 74k 0.00 a7xb8Q c4-c3 Qb8xb7
11/4 00:00 661 73k 0.00 a7xb8Q c4-c3 Qb8xb7
12/4 00:00 744 74k 0.00 a7xb8Q c4-c3 Qb8xb7
13/4 00:00 837 76k 0.00 a7xb8Q c4-c3 Qb8xb7
14/4 00:00 921 84k 0.00 a7xb8Q c4-c3 Qb8xb7
15/4 00:00 1k 85k 0.00 a7xb8Q c4-c3 Qb8xb7
16/4 00:00 1k 91k 0.00 a7xb8Q c4-c3 Qb8xb7
17/4 00:00 1k 99k 0.00 a7xb8Q c4-c3 Qb8xb7
18/4 00:00 2k 104k 0.00 a7xb8Q c4-c3 Qb8xb7
19/4 00:00 2k 117k 0.00 a7xb8Q c4-c3 Qb8xb7
20/4 00:00 2k 123k 0.00 a7xb8Q c4-c3 Qb8xb7
21/4 00:00 2k 130k 0.00 a7xb8Q c4-c3 Qb8xb7
22/4 00:00 3k 144k 0.00 a7xb8Q c4-c3 Qb8xb7
23/4 00:00 3k 159k 0.00 a7xb8Q c4-c3 Qb8xb7
24/4 00:00 5k 184k 0.00 a7xb8Q c4-c3 Qb8xb7
25/4 00:00 6k 206k 0.00 a7xb8Q c4-c3 Qb8xb7
26/4 00:00 6k 222k 0.00 a7xb8Q c4-c3 Qb8xb7
27/4 00:00 7k 244k 0.00 a7xb8Q c4-c3 Qb8xb7
28/4 00:00 8k 254k 0.00 a7xb8Q c4-c3 Qb8xb7
29/4 00:00 10k 276k 0.00 a7xb8Q c4-c3 Qb8xb7
30/4 00:00 14k 307k 0.00 a7xb8Q c4-c3 Qb8xb7
31/4 00:00 16k 323k 0.00 a7xb8Q c4-c3 Qb8xb7
32/4 00:00 21k 358k 0.00 a7xb8Q c4-c3 Qb8xb7
33/4 00:00 23k 373k 0.00 a7xb8Q c4-c3 Qb8xb7
34/4 00:00 24k 386k 0.00 a7xb8Q c4-c3 Qb8xb7
35/4 00:00 25k 392k 0.00 a7xb8Q c4-c3 Qb8xb7
36/4 00:00 28k 420k 0.00 a7xb8Q c4-c3 Qb8xb7
37/4 00:00 29k 429k 0.00 a7xb8Q c4-c3 Qb8xb7
38/4 00:00 31k 445k 0.00 a7xb8Q c4-c3 Qb8xb7
39/4 00:00 32k 451k 0.00 a7xb8Q c4-c3 Qb8xb7
40/4 00:00 34k 474k 0.00 a7xb8Q c4-c3 Qb8xb7
41/4 00:00 36k 482k 0.00 a7xb8Q c4-c3 Qb8xb7
42/4 00:00 38k 499k 0.00 a7xb8Q c4-c3 Qb8xb7
43/4 00:00 40k 516k 0.00 a7xb8Q c4-c3 Qb8xb7
44/4 00:00 42k 535k 0.00 a7xb8Q c4-c3 Qb8xb7
45/4 00:00 44k 558k 0.00 a7xb8Q c4-c3 Qb8xb7
46/4 00:00 48k 584k 0.00 a7xb8Q c4-c3 Qb8xb7
47/4 00:00 51k 600k 0.00 a7xb8Q c4-c3 Qb8xb7
48/4 00:00 54k 617k 0.00 a7xb8Q c4-c3 Qb8xb7
49/4 00:00 56k 633k 0.00 a7xb8Q c4-c3 Qb8xb7
50/4 00:00 58k 654k 0.00 a7xb8Q c4-c3 Qb8xb7
51/4 00:00 60k 672k 0.00 a7xb8Q c4-c3 Qb8xb7
52/4 00:00 64k 698k 0.00 a7xb8Q c4-c3 Qb8xb7
53/4 00:00 67k 719k 0.00 a7xb8Q c4-c3 Qb8xb7
54/4 00:00 71k 742k 0.00 a7xb8Q c4-c3 Qb8xb7
55/4 00:00 74k 770k 0.00 a7xb8Q c4-c3 Qb8xb7
56/4 00:00 80k 797k 0.00 a7xb8Q c4-c3 Qb8xb7
57/4 00:00 88k 837k 0.00 a7xb8Q c4-c3 Qb8xb7
58/4 00:00 93k 863k 0.00 a7xb8Q c4-c3 Qb8xb7
59/4 00:00 97k 889k 0.00 a7xb8Q c4-c3 Qb8xb7
60/4 00:00 102k 908k 0.00 a7xb8Q c4-c3 Qb8xb7
61/4 00:00 107k 936k 0.00 a7xb8Q c4-c3 Qb8xb7
62/4 00:00 118k 970k 0.00 a7xb8Q c4-c3 Qb8xb7
63/4 00:00 124k 994k 0.00 a7xb8Q c4-c3 Qb8xb7
64/4 00:00 130k 1,022k 0.00 a7xb8Q c4-c3 Qb8xb7
65/4 00:00 136k 1,043k 0.00 a7xb8Q c4-c3 Qb8xb7
66/4 00:00 143k 1,078k 0.00 a7xb8Q c4-c3 Qb8xb7
67/4 00:00 151k 1,108k 0.00 a7xb8Q c4-c3 Qb8xb7
68/4 00:00 163k 1,139k 0.00 a7xb8Q c4-c3 Qb8xb7
69/4 00:00 169k 1,168k 0.00 a7xb8Q c4-c3 Qb8xb7
70/4 00:00 185k 1,206k 0.00 a7xb8Q c4-c3 Qb8xb7
71/4 00:00 194k 1,226k 0.00 a7xb8Q c4-c3 Qb8xb7
72/4 00:00 203k 1,259k 0.00 a7xb8Q c4-c3 Qb8xb7
73/4 00:00 215k 1,301k 0.00 a7xb8Q c4-c3 Qb8xb7
74/4 00:00 225k 1,330k 0.00 a7xb8Q c4-c3 Qb8xb7
75/4 00:00 235k 1,367k 0.00 a7xb8Q c4-c3 Qb8xb7
76/4 00:00 248k 1,403k 0.00 a7xb8Q c4-c3 Qb8xb7
77/4 00:00 261k 1,444k 0.00 a7xb8Q c4-c3 Qb8xb7
78/4 00:00 278k 1,495k 0.00 a7xb8Q c4-c3 Qb8xb7
79/4 00:00 291k 1,525k 0.00 a7xb8Q c4-c3 Qb8xb7
80/4 00:00 309k 1,577k 0.00 a7xb8Q c4-c3 Qb8xb7
81/4 00:00 359k 1,676k 0.00 a7xb8Q c4-c3 Qb8xb7
82/4 00:00 403k 1,743k 0.00 a7xb8Q c4-c3 Qb8xb7
83/4 00:00 488k 1,893k 0.00 a7xb8Q c4-c3 Qb8xb7
84/4 00:00 506k 1,915k 0.00 a7xb8Q c4-c3 Qb8xb7
85/4 00:00 602k 2,034k 0.00 a7xb8Q c4-c3 Qb8xb7
86/4 00:00 624k 2,065k 0.00 a7xb8Q c4-c3 Qb8xb7
87/4 00:00 645k 2,075k 0.00 a7xb8Q c4-c3 Qb8xb7
88/4 00:00 681k 2,095k 0.00 a7xb8Q c4-c3 Qb8xb7
89/4 00:00 753k 2,195k 0.00 a7xb8Q c4-c3 Qb8xb7
90/4 00:00 783k 2,229k 0.00 a7xb8Q c4-c3 Qb8xb7
91/4 00:00 838k 2,301k 0.00 a7xb8Q c4-c3 Qb8xb7
92/4 00:00 866k 2,329k 0.00 a7xb8Q c4-c3 Qb8xb7
93/4 00:00 909k 2,381k 0.00 a7xb8Q c4-c3 Qb8xb7
94/4 00:00 938k 2,412k 0.00 a7xb8Q c4-c3 Qb8xb7
95/4 00:00 975k 2,444k 0.00 a7xb8Q c4-c3 Qb8xb7
96/4 00:00 1,021k 2,491k 0.00 a7xb8Q c4-c3 Qb8xb7
97/4 00:00 1,147k 2,589k 0.00 a7xb8Q c4-c3 Qb8xb7
98/4 00:00 1,223k 2,596k 0.00 a7xb8Q c4-c3 Qb8xb7
99/4 00:00 1,384k 2,661k 0.00 a7xb8Q c4-c3 Qb8xb7
100/4 00:00 1,470k 2,723k 0.00 a7xb8Q c4-c3 Qb8xb7
101/4 00:00 1,521k 2,755k 0.00 a7xb8Q c4-c3 Qb8xb7
102/4 00:00 1,584k 2,788k 0.00 a7xb8Q c4-c3 Qb8xb7
103/4 00:00 1,616k 2,801k 0.00 a7xb8Q c4-c3 Qb8xb7
104/4 00:00 1,651k 2,817k 0.00 a7xb8Q c4-c3 Qb8xb7
105/4 00:00 1,698k 2,850k 0.00 a7xb8Q c4-c3 Qb8xb7
106/4 00:00 1,727k 2,868k 0.00 a7xb8Q c4-c3 Qb8xb7
107/4 00:00 1,772k 2,895k 0.00 a7xb8Q c4-c3 Qb8xb7
108/4 00:00 1,816k 2,924k 0.00 a7xb8Q c4-c3 Qb8xb7
109/4 00:00 1,862k 2,950k 0.00 a7xb8Q c4-c3 Qb8xb7
110/4 00:00 2,048k 2,990k 0.00 a7xb8Q c4-c3 Qb8xb7
111/4 00:00 2,191k 3,055k 0.00 a7xb8Q c4-c3 Qb8xb7
112/4 00:00 2,238k 3,074k 0.00 a7xb8Q c4-c3 Qb8xb7
113/4 00:00 2,369k 3,121k 0.00 a7xb8Q c4-c3 Qb8xb7
114/4 00:00 2,456k 3,137k 0.00 a7xb8Q c4-c3 Qb8xb7
115/4 00:00 2,579k 3,184k 0.00 a7xb8Q c4-c3 Qb8xb7
116/4 00:00 2,790k 3,248k 0.00 a7xb8Q c4-c3 Qb8xb7
117/4 00:00 2,942k 3,305k 0.00 a7xb8Q c4-c3 Qb8xb7
118/4 00:00 3,001k 3,324k 0.00 a7xb8Q c4-c3 Qb8xb7
119/4 00:00 3,269k 3,391k 0.00 a7xb8Q c4-c3 Qb8xb7
120/4 00:01 4,308k 3,552k 0.00 a7xb8Q c4-c3 Qb8xb7
FEN: 1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1
Deep Rybka 4.1 SSE42 x64:
1 00:00 36 2k 0.00 a7xb8Q c4-c3 Qb8xb7
2 00:00 55 3k 0.00 a7xb8Q c4-c3 Qb8xb7
3 00:00 74 5k 0.00 a7xb8Q c4-c3 Qb8xb7
4 00:00 90 6k 0.00 a7xb8Q c4-c3 Qb8xb7
5 00:00 112 7k 0.00 a7xb8Q c4-c3 Qb8xb7
6 00:00 136 9k 0.00 a7xb8Q c4-c3 Qb8xb7
7 00:00 176 11k 0.00 a7xb8Q c4-c3 Qb8xb7
8 00:00 243 8k 0.00 a7xb8Q c4-c3 Qb8xb7
9 00:00 334 10k 0.00 a7xb8Q c4-c3 Qb8xb7
10 00:00 466 15k 0.00 a7xb8Q c4-c3 Qb8xb7
11 00:00 804 25k 0.00 a7xb8Q c4-c3 Qb8xb7
12 00:00 1k 37k 0.00 a7xb8Q c4-c3 Qb8xb7
13 00:00 2k 53k 0.00 a7xb8Q c4-c3 Qb8xb7
14 00:00 2k 70k 0.00 a7xb8Q c4-c3 Qb8xb7
15 00:00 3k 97k 0.00 a7xb8Q c4-c3 Qb8xb7
16 00:00 4k 127k 0.00 a7xb8Q c4-c3 Qb8xb7
17 00:00 5k 111k 0.00 a7xb8Q c4-c3 Qb8xb7
18 00:00 8k 161k 0.00 a7xb8Q c4-c3 Qb8xb7
19 00:00 10k 218k 0.00 a7xb8Q c4-c3 Qb8xb7
20 00:00 14k 224k 0.00 a7xb8Q c4-c3 Qb8xb7
21 00:00 20k 255k 0.00 a7xb8Q c4-c3 Qb8xb7
22 00:00 26k 280k 0.00 a7xb8Q c4-c3 Qb8xb7
23 00:00 33k 304k 0.00 a7xb8Q c4-c3 Qb8xb7
24 00:00 42k 336k 0.00 a7xb8Q c4-c3 Qb8xb7
25 00:00 56k 355k 0.00 a7xb8Q c4-c3 Qb8xb7
26 00:00 76k 372k 0.00 a7xb8Q c4-c3 Qb8xb7
27 00:00 106k 397k 0.00 a7xb8Q c4-c3 Qb8xb7
28 00:00 268k 418k 0.00 a7xb8Q c4-c3 Qb8xb7
29 00:01 487k 421k 0.00 a7xb8Q c4-c3 Qb8xb7
30 00:01 644k 425k 0.00 a7xb8Q c4-c3 Qb8xb7
31 00:02 1,278k 452k 0.00 a7xb8Q c4-c3 Qb8xb7
32 00:03 1,777k 449k 0.00 a7xb8Q c4-c3 Qb8xb7
33 00:05 2,436k 448k 0.00 a7xb8Q c4-c3 Qb8xb7
34 00:07 3,312k 441k 0.00 a7xb8Q c4-c3 Qb8xb7
35 00:10 4,633k 439k 0.00 a7xb8Q c4-c3 Qb8xb7
36 00:15 6,940k 437k 0.00 a7xb8Q c4-c3 Qb8xb7
37 00:25 11,067k 430k 0.00 a7xb8Q c4-c3 Qb8xb7
38 00:38 16,266k 426k 0.00 a7xb8Q c4-c3 Qb8xb7
39 01:00 25,631k 424k 0.00 a7xb8Q c4-c3 Qb8xb7
40 01:40 42,213k 419k 0.00 a7xb8Q c4-c3 Qb8xb7
40 01:51 45,833k 410k 0.00 a7xb8Q c4-c3 Qb8xb7
As you see, all engines get this a draw, although it not.
[Event "Babic 1996"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Der brillante Schachzug 100"]
[Black "Matt in 18"]
[Result "*"]
[Annotator "Walter Eigenmann"]
[SetUp "1"]
[FEN "1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1"]
[PlyCount "35"]
[Source "Walter Eigenman"]
[SourceDate "2011.11.01"]
1. axb8=N $3 (1. axb8=Q $2 c3 2. Qxb7 $11 (2. Kd4 $11)) (1. a8=Q $2 Nc6+ 2. Kd5
Nb4+ $11) 1... c3 2. Na6 bxa6 3. b7 a5 4. b8=N a4 5. Nc6 dxc6 6. d7 c5 7. d8=N
c4 8. Ne6 fxe6 9. Kd6 e5 10. f7 e4 11. f8=N e3 12. Ng6 hxg6 13. h7 g5 14. h8=N
g4 15. Nf7 g3 16. Ng5 g2 17. Ne4 g1=Q 18. Nxc3# *
[pgn][Event "Babic 1996"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Der brillante Schachzug 100"]
[Black "Matt in 18"]
[Result "*"]
[Annotator "Walter Eigenmann"]
[SetUp "1"]
[FEN "1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1"]
[PlyCount "35"]
[Source "Walter Eigenman"]
[SourceDate "2011.11.01"]
1. axb8=N $3 (1. axb8=Q $2 c3 2. Qxb7 $11 (2. Kd4 $11)) (1. a8=Q $2 Nc6+ 2. Kd5
Nb4+ $11) 1... c3 2. Na6 bxa6 3. b7 a5 4. b8=N a4 5. Nc6 dxc6 6. d7 c5 7. d8=N
c4 8. Ne6 fxe6 9. Kd6 e5 10. f7 e4 11. f8=N e3 12. Ng6 hxg6 13. h7 g5 14. h8=N
g4 15. Nf7 g3 16. Ng5 g2 17. Ne4 g1=Q 18. Nxc3# *
[/pgn]
[d]1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1
Stockfish 5 gave up pretty early. As it is mate in 18, I thought engines would solve this reaching to 18*2 = 36 ply. But no! It's really difficult for them. I've let Houdini 4 Pro to analyse for more than a hour (36 plies), and Deep Rybka 4.1 for 40(!) plies. Here are the analysis:
FEN: 1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1
Houdini 4 Pro:
4/18 00:00 774 387k 0.00 a7xb8Q c4-c3 Qb8xb7
5/18 00:00 825 412k 0.00 a7xb8Q c4-c3 Qb8xb7
6/18 00:00 876 146k 0.00 a7xb8Q c4-c3 Qb8xb7
7/18 00:00 1k 33k 0.00 a7xb8Q c4-c3 Qb8xb7
8/18 00:00 1k 38k 0.00 a7xb8Q c4-c3 Qb8xb7
9/18 00:00 2k 46k 0.00 a7xb8Q c4-c3 Qb8xb7
10/18 00:00 2k 42k 0.00 a7xb8Q c4-c3 Qb8xb7
11/18 00:00 3k 63k 0.00 a7xb8Q c4-c3 Qb8xb7
12/18 00:00 6k 96k 0.00 a7xb8Q c4-c3 Qb8xb7
13/18 00:00 10k 167k 0.00 a7xb8Q c4-c3 Qb8xb7
14/18 00:00 20k 301k 0.00 a7xb8Q c4-c3 Qb8xb7
15/19 00:00 36k 497k 0.00 a7xb8Q c4-c3 Qb8xb7
16/19 00:00 63k 778k 0.00 a7xb8Q c4-c3 Qb8xb7
17/21 00:00 111k 1,196k 0.00 a7xb8Q c4-c3 Qb8xb7
18/27 00:00 190k 1,700k 0.00 a7xb8Q c4-c3 Qb8xb7
19/27 00:00 315k 2,216k 0.00 a7xb8Q c4-c3 Qb8xb7
20/27 00:00 486k 2,656k 0.00 a7xb8Q c4-c3 Qb8xb7
21/36 00:00 882k 3,253k 0.00 a7xb8Q c4-c3 Qb8xb7
22/37 00:00 1,475k 3,670k 0.00 a7xb8Q c4-c3 Qb8xb7
23/41 00:00 2,722k 4,026k 0.00 a7xb8Q c4-c3 Qb8xb7
24/43 00:01 5,012k 4,205k 0.00 a7xb8Q c4-c3 Qb8xb7
25/45 00:02 9,975k 4,303k 0.00 a7xb8Q c4-c3 Qb8xb7
26/45 00:04 17,932k 4,376k 0.00 a7xb8Q c4-c3 Qb8xb7
27/49 00:07 31,905k 4,335k 0.00 a7xb8Q c4-c3 Qb8xb7
28/51 00:13 59,662k 4,369k 0.00 a7xb8Q c4-c3 Qb8xb7
29/53 00:25 109,376k 4,342k 0.00 a7xb8Q c4-c3 Qb8xb7
30/59 00:48 212,787k 4,424k 0.00 a7xb8Q c4-c3 Qb8xb7
31/65 01:37 416,413k 4,250k 0.00 a7xb8Q c4-c3 Qb8xb7
32/70 04:38 1,157,995k 4,164k 0.00 a7xb8Q c4-c3 Qb8xb7
33/70 07:55 1,951,140k 4,104k 0.00 a7xb8Q c4-c3 Qb8xb7
34/70 15:15 3,694,830k 4,037k 0.00 a7xb8Q c4-c3 Qb8xb7
35/73 28:22 6,759,481k 3,969k 0.00 a7xb8Q c4-c3 Qb8xb7
36/78 1:01:42 14,749,519k 3,983k 0.00 a7xb8Q c4-c3 Qb8xb7
FEN: 1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1
Stockfish 5 64 bit:
1/1 00:00 37 9k -10.40 a7xb8Q
2/2 00:00 71 18k -7.90 a7xb8Q c4-c3 Qb8xb7
3/3 00:00 122 31k -7.90 a7xb8Q c4-c3 Qb8xb7
4/4 00:00 174 35k 0.00 a7xb8Q c4-c3 Qb8xb7
5/4 00:00 226 45k 0.00 a7xb8Q c4-c3 Qb8xb7
6/4 00:00 278 46k 0.00 a7xb8Q c4-c3 Qb8xb7
7/4 00:00 330 55k 0.00 a7xb8Q c4-c3 Qb8xb7
8/4 00:00 387 55k 0.00 a7xb8Q c4-c3 Qb8xb7
9/4 00:00 446 64k 0.00 a7xb8Q c4-c3 Qb8xb7
10/4 00:00 595 74k 0.00 a7xb8Q c4-c3 Qb8xb7
11/4 00:00 661 73k 0.00 a7xb8Q c4-c3 Qb8xb7
12/4 00:00 744 74k 0.00 a7xb8Q c4-c3 Qb8xb7
13/4 00:00 837 76k 0.00 a7xb8Q c4-c3 Qb8xb7
14/4 00:00 921 84k 0.00 a7xb8Q c4-c3 Qb8xb7
15/4 00:00 1k 85k 0.00 a7xb8Q c4-c3 Qb8xb7
16/4 00:00 1k 91k 0.00 a7xb8Q c4-c3 Qb8xb7
17/4 00:00 1k 99k 0.00 a7xb8Q c4-c3 Qb8xb7
18/4 00:00 2k 104k 0.00 a7xb8Q c4-c3 Qb8xb7
19/4 00:00 2k 117k 0.00 a7xb8Q c4-c3 Qb8xb7
20/4 00:00 2k 123k 0.00 a7xb8Q c4-c3 Qb8xb7
21/4 00:00 2k 130k 0.00 a7xb8Q c4-c3 Qb8xb7
22/4 00:00 3k 144k 0.00 a7xb8Q c4-c3 Qb8xb7
23/4 00:00 3k 159k 0.00 a7xb8Q c4-c3 Qb8xb7
24/4 00:00 5k 184k 0.00 a7xb8Q c4-c3 Qb8xb7
25/4 00:00 6k 206k 0.00 a7xb8Q c4-c3 Qb8xb7
26/4 00:00 6k 222k 0.00 a7xb8Q c4-c3 Qb8xb7
27/4 00:00 7k 244k 0.00 a7xb8Q c4-c3 Qb8xb7
28/4 00:00 8k 254k 0.00 a7xb8Q c4-c3 Qb8xb7
29/4 00:00 10k 276k 0.00 a7xb8Q c4-c3 Qb8xb7
30/4 00:00 14k 307k 0.00 a7xb8Q c4-c3 Qb8xb7
31/4 00:00 16k 323k 0.00 a7xb8Q c4-c3 Qb8xb7
32/4 00:00 21k 358k 0.00 a7xb8Q c4-c3 Qb8xb7
33/4 00:00 23k 373k 0.00 a7xb8Q c4-c3 Qb8xb7
34/4 00:00 24k 386k 0.00 a7xb8Q c4-c3 Qb8xb7
35/4 00:00 25k 392k 0.00 a7xb8Q c4-c3 Qb8xb7
36/4 00:00 28k 420k 0.00 a7xb8Q c4-c3 Qb8xb7
37/4 00:00 29k 429k 0.00 a7xb8Q c4-c3 Qb8xb7
38/4 00:00 31k 445k 0.00 a7xb8Q c4-c3 Qb8xb7
39/4 00:00 32k 451k 0.00 a7xb8Q c4-c3 Qb8xb7
40/4 00:00 34k 474k 0.00 a7xb8Q c4-c3 Qb8xb7
41/4 00:00 36k 482k 0.00 a7xb8Q c4-c3 Qb8xb7
42/4 00:00 38k 499k 0.00 a7xb8Q c4-c3 Qb8xb7
43/4 00:00 40k 516k 0.00 a7xb8Q c4-c3 Qb8xb7
44/4 00:00 42k 535k 0.00 a7xb8Q c4-c3 Qb8xb7
45/4 00:00 44k 558k 0.00 a7xb8Q c4-c3 Qb8xb7
46/4 00:00 48k 584k 0.00 a7xb8Q c4-c3 Qb8xb7
47/4 00:00 51k 600k 0.00 a7xb8Q c4-c3 Qb8xb7
48/4 00:00 54k 617k 0.00 a7xb8Q c4-c3 Qb8xb7
49/4 00:00 56k 633k 0.00 a7xb8Q c4-c3 Qb8xb7
50/4 00:00 58k 654k 0.00 a7xb8Q c4-c3 Qb8xb7
51/4 00:00 60k 672k 0.00 a7xb8Q c4-c3 Qb8xb7
52/4 00:00 64k 698k 0.00 a7xb8Q c4-c3 Qb8xb7
53/4 00:00 67k 719k 0.00 a7xb8Q c4-c3 Qb8xb7
54/4 00:00 71k 742k 0.00 a7xb8Q c4-c3 Qb8xb7
55/4 00:00 74k 770k 0.00 a7xb8Q c4-c3 Qb8xb7
56/4 00:00 80k 797k 0.00 a7xb8Q c4-c3 Qb8xb7
57/4 00:00 88k 837k 0.00 a7xb8Q c4-c3 Qb8xb7
58/4 00:00 93k 863k 0.00 a7xb8Q c4-c3 Qb8xb7
59/4 00:00 97k 889k 0.00 a7xb8Q c4-c3 Qb8xb7
60/4 00:00 102k 908k 0.00 a7xb8Q c4-c3 Qb8xb7
61/4 00:00 107k 936k 0.00 a7xb8Q c4-c3 Qb8xb7
62/4 00:00 118k 970k 0.00 a7xb8Q c4-c3 Qb8xb7
63/4 00:00 124k 994k 0.00 a7xb8Q c4-c3 Qb8xb7
64/4 00:00 130k 1,022k 0.00 a7xb8Q c4-c3 Qb8xb7
65/4 00:00 136k 1,043k 0.00 a7xb8Q c4-c3 Qb8xb7
66/4 00:00 143k 1,078k 0.00 a7xb8Q c4-c3 Qb8xb7
67/4 00:00 151k 1,108k 0.00 a7xb8Q c4-c3 Qb8xb7
68/4 00:00 163k 1,139k 0.00 a7xb8Q c4-c3 Qb8xb7
69/4 00:00 169k 1,168k 0.00 a7xb8Q c4-c3 Qb8xb7
70/4 00:00 185k 1,206k 0.00 a7xb8Q c4-c3 Qb8xb7
71/4 00:00 194k 1,226k 0.00 a7xb8Q c4-c3 Qb8xb7
72/4 00:00 203k 1,259k 0.00 a7xb8Q c4-c3 Qb8xb7
73/4 00:00 215k 1,301k 0.00 a7xb8Q c4-c3 Qb8xb7
74/4 00:00 225k 1,330k 0.00 a7xb8Q c4-c3 Qb8xb7
75/4 00:00 235k 1,367k 0.00 a7xb8Q c4-c3 Qb8xb7
76/4 00:00 248k 1,403k 0.00 a7xb8Q c4-c3 Qb8xb7
77/4 00:00 261k 1,444k 0.00 a7xb8Q c4-c3 Qb8xb7
78/4 00:00 278k 1,495k 0.00 a7xb8Q c4-c3 Qb8xb7
79/4 00:00 291k 1,525k 0.00 a7xb8Q c4-c3 Qb8xb7
80/4 00:00 309k 1,577k 0.00 a7xb8Q c4-c3 Qb8xb7
81/4 00:00 359k 1,676k 0.00 a7xb8Q c4-c3 Qb8xb7
82/4 00:00 403k 1,743k 0.00 a7xb8Q c4-c3 Qb8xb7
83/4 00:00 488k 1,893k 0.00 a7xb8Q c4-c3 Qb8xb7
84/4 00:00 506k 1,915k 0.00 a7xb8Q c4-c3 Qb8xb7
85/4 00:00 602k 2,034k 0.00 a7xb8Q c4-c3 Qb8xb7
86/4 00:00 624k 2,065k 0.00 a7xb8Q c4-c3 Qb8xb7
87/4 00:00 645k 2,075k 0.00 a7xb8Q c4-c3 Qb8xb7
88/4 00:00 681k 2,095k 0.00 a7xb8Q c4-c3 Qb8xb7
89/4 00:00 753k 2,195k 0.00 a7xb8Q c4-c3 Qb8xb7
90/4 00:00 783k 2,229k 0.00 a7xb8Q c4-c3 Qb8xb7
91/4 00:00 838k 2,301k 0.00 a7xb8Q c4-c3 Qb8xb7
92/4 00:00 866k 2,329k 0.00 a7xb8Q c4-c3 Qb8xb7
93/4 00:00 909k 2,381k 0.00 a7xb8Q c4-c3 Qb8xb7
94/4 00:00 938k 2,412k 0.00 a7xb8Q c4-c3 Qb8xb7
95/4 00:00 975k 2,444k 0.00 a7xb8Q c4-c3 Qb8xb7
96/4 00:00 1,021k 2,491k 0.00 a7xb8Q c4-c3 Qb8xb7
97/4 00:00 1,147k 2,589k 0.00 a7xb8Q c4-c3 Qb8xb7
98/4 00:00 1,223k 2,596k 0.00 a7xb8Q c4-c3 Qb8xb7
99/4 00:00 1,384k 2,661k 0.00 a7xb8Q c4-c3 Qb8xb7
100/4 00:00 1,470k 2,723k 0.00 a7xb8Q c4-c3 Qb8xb7
101/4 00:00 1,521k 2,755k 0.00 a7xb8Q c4-c3 Qb8xb7
102/4 00:00 1,584k 2,788k 0.00 a7xb8Q c4-c3 Qb8xb7
103/4 00:00 1,616k 2,801k 0.00 a7xb8Q c4-c3 Qb8xb7
104/4 00:00 1,651k 2,817k 0.00 a7xb8Q c4-c3 Qb8xb7
105/4 00:00 1,698k 2,850k 0.00 a7xb8Q c4-c3 Qb8xb7
106/4 00:00 1,727k 2,868k 0.00 a7xb8Q c4-c3 Qb8xb7
107/4 00:00 1,772k 2,895k 0.00 a7xb8Q c4-c3 Qb8xb7
108/4 00:00 1,816k 2,924k 0.00 a7xb8Q c4-c3 Qb8xb7
109/4 00:00 1,862k 2,950k 0.00 a7xb8Q c4-c3 Qb8xb7
110/4 00:00 2,048k 2,990k 0.00 a7xb8Q c4-c3 Qb8xb7
111/4 00:00 2,191k 3,055k 0.00 a7xb8Q c4-c3 Qb8xb7
112/4 00:00 2,238k 3,074k 0.00 a7xb8Q c4-c3 Qb8xb7
113/4 00:00 2,369k 3,121k 0.00 a7xb8Q c4-c3 Qb8xb7
114/4 00:00 2,456k 3,137k 0.00 a7xb8Q c4-c3 Qb8xb7
115/4 00:00 2,579k 3,184k 0.00 a7xb8Q c4-c3 Qb8xb7
116/4 00:00 2,790k 3,248k 0.00 a7xb8Q c4-c3 Qb8xb7
117/4 00:00 2,942k 3,305k 0.00 a7xb8Q c4-c3 Qb8xb7
118/4 00:00 3,001k 3,324k 0.00 a7xb8Q c4-c3 Qb8xb7
119/4 00:00 3,269k 3,391k 0.00 a7xb8Q c4-c3 Qb8xb7
120/4 00:01 4,308k 3,552k 0.00 a7xb8Q c4-c3 Qb8xb7
FEN: 1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1
Deep Rybka 4.1 SSE42 x64:
1 00:00 36 2k 0.00 a7xb8Q c4-c3 Qb8xb7
2 00:00 55 3k 0.00 a7xb8Q c4-c3 Qb8xb7
3 00:00 74 5k 0.00 a7xb8Q c4-c3 Qb8xb7
4 00:00 90 6k 0.00 a7xb8Q c4-c3 Qb8xb7
5 00:00 112 7k 0.00 a7xb8Q c4-c3 Qb8xb7
6 00:00 136 9k 0.00 a7xb8Q c4-c3 Qb8xb7
7 00:00 176 11k 0.00 a7xb8Q c4-c3 Qb8xb7
8 00:00 243 8k 0.00 a7xb8Q c4-c3 Qb8xb7
9 00:00 334 10k 0.00 a7xb8Q c4-c3 Qb8xb7
10 00:00 466 15k 0.00 a7xb8Q c4-c3 Qb8xb7
11 00:00 804 25k 0.00 a7xb8Q c4-c3 Qb8xb7
12 00:00 1k 37k 0.00 a7xb8Q c4-c3 Qb8xb7
13 00:00 2k 53k 0.00 a7xb8Q c4-c3 Qb8xb7
14 00:00 2k 70k 0.00 a7xb8Q c4-c3 Qb8xb7
15 00:00 3k 97k 0.00 a7xb8Q c4-c3 Qb8xb7
16 00:00 4k 127k 0.00 a7xb8Q c4-c3 Qb8xb7
17 00:00 5k 111k 0.00 a7xb8Q c4-c3 Qb8xb7
18 00:00 8k 161k 0.00 a7xb8Q c4-c3 Qb8xb7
19 00:00 10k 218k 0.00 a7xb8Q c4-c3 Qb8xb7
20 00:00 14k 224k 0.00 a7xb8Q c4-c3 Qb8xb7
21 00:00 20k 255k 0.00 a7xb8Q c4-c3 Qb8xb7
22 00:00 26k 280k 0.00 a7xb8Q c4-c3 Qb8xb7
23 00:00 33k 304k 0.00 a7xb8Q c4-c3 Qb8xb7
24 00:00 42k 336k 0.00 a7xb8Q c4-c3 Qb8xb7
25 00:00 56k 355k 0.00 a7xb8Q c4-c3 Qb8xb7
26 00:00 76k 372k 0.00 a7xb8Q c4-c3 Qb8xb7
27 00:00 106k 397k 0.00 a7xb8Q c4-c3 Qb8xb7
28 00:00 268k 418k 0.00 a7xb8Q c4-c3 Qb8xb7
29 00:01 487k 421k 0.00 a7xb8Q c4-c3 Qb8xb7
30 00:01 644k 425k 0.00 a7xb8Q c4-c3 Qb8xb7
31 00:02 1,278k 452k 0.00 a7xb8Q c4-c3 Qb8xb7
32 00:03 1,777k 449k 0.00 a7xb8Q c4-c3 Qb8xb7
33 00:05 2,436k 448k 0.00 a7xb8Q c4-c3 Qb8xb7
34 00:07 3,312k 441k 0.00 a7xb8Q c4-c3 Qb8xb7
35 00:10 4,633k 439k 0.00 a7xb8Q c4-c3 Qb8xb7
36 00:15 6,940k 437k 0.00 a7xb8Q c4-c3 Qb8xb7
37 00:25 11,067k 430k 0.00 a7xb8Q c4-c3 Qb8xb7
38 00:38 16,266k 426k 0.00 a7xb8Q c4-c3 Qb8xb7
39 01:00 25,631k 424k 0.00 a7xb8Q c4-c3 Qb8xb7
40 01:40 42,213k 419k 0.00 a7xb8Q c4-c3 Qb8xb7
40 01:51 45,833k 410k 0.00 a7xb8Q c4-c3 Qb8xb7
As you see, all engines get this a draw, although it not.
[Event "Babic 1996"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Der brillante Schachzug 100"]
[Black "Matt in 18"]
[Result "*"]
[Annotator "Walter Eigenmann"]
[SetUp "1"]
[FEN "1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1"]
[PlyCount "35"]
[Source "Walter Eigenman"]
[SourceDate "2011.11.01"]
1. axb8=N $3 (1. axb8=Q $2 c3 2. Qxb7 $11 (2. Kd4 $11)) (1. a8=Q $2 Nc6+ 2. Kd5
Nb4+ $11) 1... c3 2. Na6 bxa6 3. b7 a5 4. b8=N a4 5. Nc6 dxc6 6. d7 c5 7. d8=N
c4 8. Ne6 fxe6 9. Kd6 e5 10. f7 e4 11. f8=N e3 12. Ng6 hxg6 13. h7 g5 14. h8=N
g4 15. Nf7 g3 16. Ng5 g2 17. Ne4 g1=Q 18. Nxc3# *
[pgn][Event "Babic 1996"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Der brillante Schachzug 100"]
[Black "Matt in 18"]
[Result "*"]
[Annotator "Walter Eigenmann"]
[SetUp "1"]
[FEN "1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 1"]
[PlyCount "35"]
[Source "Walter Eigenman"]
[SourceDate "2011.11.01"]
1. axb8=N $3 (1. axb8=Q $2 c3 2. Qxb7 $11 (2. Kd4 $11)) (1. a8=Q $2 Nc6+ 2. Kd5
Nb4+ $11) 1... c3 2. Na6 bxa6 3. b7 a5 4. b8=N a4 5. Nc6 dxc6 6. d7 c5 7. d8=N
c4 8. Ne6 fxe6 9. Kd6 e5 10. f7 e4 11. f8=N e3 12. Ng6 hxg6 13. h7 g5 14. h8=N
g4 15. Nf7 g3 16. Ng5 g2 17. Ne4 g1=Q 18. Nxc3# *
[/pgn]