Very difficult mate

[Jouni]

[d]rk6/p1r3p1/P3B1Kp/1p2B3/8/8/8/8 w - - 0 1

Analysis by Stockfish 17:
...
1.Bd5 Kc8 2.Bxa8 Rc4 3.Bxg7 b4 4.Kxh6 Kc7 5.Kg5 Kb6 6.Bb7 Kc5 7.Kf5 Rh4 8.Bf8+ Kb5 9.Be4 Kc4 10.Ke5 Rh5+ 11.Kd6 b3 12.Bg7 Rb5 13.Kc7 b2 14.Bb1 Rb6 15.Be5 Kd5 16.Bg7
= (0.00) Depth: 82/44 00:07:56 1322mN, tb=15605381
1.Bd5 Kc8 2.Bxa8 Rc4 3.Bxg7 b4 4.Kxh6 Kc7 5.Kg5 Kb6 6.Bb7 Kc5 7.Kf5 Rh4 8.Bf8+ Kb5 9.Be4 Kc4 10.Ke5 Rh5+ 11.Kd6 b3 12.Bg7 Rb5 13.Kc7 b2 14.Bb1 Rb6 15.Be5 Kd5 16.Bg7
= (0.00) Depth: 83/40 00:08:02 1342mN, tb=15759521
1.Bd5 Kc8 2.Bxa8 Rc4 3.Bxg7 b4 4.Kxh6 Kc7 5.Kg5 Kb6 6.Bb7 Kc5 7.Kf5 Rh4 8.Bf8+ Kb5 9.Be4 Kc4 10.Ke5 Rh5+ 11.Kd6 b3 12.Bg7 Rb5 13.Kc7 b2 14.Bb1 Rb6 15.Be5 Kd5 16.Bg7
= (0.00) Depth: 84/40 00:08:13 1375mN, tb=16090531
1.Bd5 Kc8 2.Bxa8 Rc4 3.Bxg7 b4 4.Kxh6 Kc7 5.Kg5 Kb6 6.Bb7 Kc5 7.Kf5 Rh4 8.Bf8+ Kb5 9.Be4 Kc4 10.Ke5 Rh5+ 11.Kd6 b3 12.Bg7 Rb5 13.Kc7 b2 14.Bb1 Rb6 15.Be5 Kd5 16.Bg7
= (0.00) Depth: 85/40 00:08:57 1491mN, tb=17665785

Analysis by Stockfish 16.1:

1.Bd7 b4 2.Kf7 g5 3.Ke8 g4 4.Kd8
+- (#5) Depth: 7/10 00:00:00 42kN, tb=16

[hgm]

Analysis by Fairy-Max:
21 #5 15.2M 0:07.78 e6d7 h6h5 g6f7 g7g5 f7e7 b5b4 e7d8 g5g4 e5c7
21 +0.66 14.4M 0:07.37 e6d5 b8c8 e5c7 c8c7 d5a8 c7b6 g6g7 b6a6 g7h6 a6b6 a8d5
20 +0.70 8.74M 0:04.49 e6d5 b8c8 e5c7 c8c7 d5a8 c7b6 a8b7 b5b4 b7d5 b6a6 g6g7 h6h5 g7g6 h5h4 d5e6 a6b5 g6g5 b4b3 e6b3 h4h3
19 +1.11 4.06M 0:02.09 e6d5 b8c8 e5c7 c8c7 d5a8 c7b6 a8b7 b5b4 b7d5 b6a6 g6g7
18 +0.87 2.63M 0:01.38 e6d5 b8c8 e5c7 c8c7 d5a8 c7b6 g6g7 h6h5 g7g6 h5h4 g6g5 b5b4 a8d5 h4h3 g5h4 b6c5 d5e4 h3h2
17 +1.12 1.02M 0:00.54 e6d5 b8c8 e5c7 c8c7 d5a8 c7b6 g6g7 h6h5 g7g6 h5h4 a8g2 b6a6 g6g5 b5b4 g2f1 a6b6 g5h4
16 +1.08 567151 0:00.31 e6d5 b8c8 e5c7 c8c7 d5a8 c7b6 g6g7 h6h5 g7g6 h5h4 a8g2 b6a6 g6g5 a6b6 g5h4 b6c5
15 +1.19 363467 0:00.20 e6d5 b8c8 e5c7 c8c7 d5a8 c7b6 g6g7 b6a6 g7h6 a6b6 a8e4 b6c5 h6g5 a7a5 g5f4
14 +1.16 268107 0:00.15 e6d5 b8c8 e5c7 c8c7 d5a8 c7b6 g6g7 b6a6 g7h6 a6b6 a8e4 b6c5 h6g5 a7a5
13 +1.30 124679 0:00.09 e6d5 b5b4 d5a8 b4b3 a8b7 b3b2 e5b2 c7e7 b2g7 h6h5 b7d5 b8c7 g7d4
12 +1.17 76037 0:00.06 e6d5 b5b4 d5a8 b4b3 a8b7 h6h5 g6h5 b3b2 b7e4 b8c8 e5b2 c8d8
11 +1.21 24754 0:00.03 e6d5 b5b4 d5a8 b4b3 a8f3 b8c8 f3g4 c8d8 e5c7 d8c7 g6g7
10 +1.21 18037 0:00.01 e6d5 b5b4 d5a8 b4b3 a8f3 b8c8 f3g4 c8d8 e5c7 d8c7
9 +1.23 10963 0:00.01 e6d5 b5b4 d5a8 b4b3 a8f3 b8c8 e5c7 c8c7 g6g7
8 +1.23 9294 0:00.00 e6d5 b5b4 d5a8 b4b3 a8f3 b8c8 e5c7 c8c7
7 +0.99 3964 0:00.00 e6d5 b5b4 d5a8 b4b3 e5c7 b8c7 g6g7
6 +0.99 1683 0:00.00 e6d5 b8c8 e5c7 c8c7 d5a8 c7b8
5 +0.89 820 0:00.00 e6d5 b8c8 e5c7 c8c7 d5a8
4 +0.89 654 0:00.00 e6d5 b8c8 e5c7 c8c7 d5a8
3 -0.25 228 0:00.00 e6d5 b8c8 e5c7
2 -0.25 126 0:00.00 e6d5 b8c8 e5c7
2 -2.57 15 0:00.00 e5c7 b8c7
1 -2.57 12 0:00.00 e5c7
0 #

[chessica]

[d]rk6/p1r3p1/P3B1Kp/1p2B3/8/8/8/8 w - - 0 1

Fidelio-17-MPV:
8/10 00:00,117 33k 281k -0,32 Le6-d5 Kb8-c8 Ld5xa8 Kc8-d7 Le5xg7 b5-b4 Kg6xh6 b4-b3 La8-b7
9/12 00:00,184 50k 271k -0,32 Le6-d5 Kb8-c8 Ld5xa8 Kc8-d8 Le5xg7 b5-b4 Kg6xh6 b4-b3 La8-b7
10/13 00:00,209 52k 248k -0,29 Le6-d5 Kb8-c8 Ld5xa8 Kc8-d8 Le5xg7 b5-b4 Kg6xh6 Tc7-c4 La8-b7 b4-b3 Lg7-f6+ Kd8-d7
11/13 00:00,228 54k 236k -0,28 Le6-d5 Kb8-c8 Ld5xa8 Tc7-c4 Kg6xg7 b5-b4 La8-b7+ Kc8-d7 Kg7xh6 b4-b3
12/11 00:00,272 65k 239k -0,28 Le6-d5 Kb8-c8 Ld5xa8 Tc7-c4 Kg6xg7 Kc8-d7 Kg7xh6 b5-b4
13/13 00:00,649 158k 243k -0,33 Le6-d5 Kb8-c8 Ld5xa8 b5-b4 Le5xg7 b4-b3 La8-b7+ Kc8-d7 Kg6xh6 Tc7-c4
14/19 00:00,985 231k 235k -0,43 Le6-d5 Kb8-c8 Ld5xa8 b5-b4 La8-b7+ Kc8-d7 Le5xc7 Kd7xc7 Kg6xg7 h6-h5 Kg7-h6 h5-h4 Kh6-h5 h4-h3 Kh5-g4 h3-h2 Kg4-g3
15/19 00:01,213 255k 211k +0,81 Le6-d7 h6-h5 Kg6-f7 h5-h4 Kf7-e8 h4-h3 Ke8-d8
16/12 00:01,302 262k 201k +M5 Le6-d7 h6-h5 Kg6-f7 h5-h4 Kf7-e8 h4-h3 Ke8-d8 h3-h2 Le5xc7+
17/10 00:01,420 275k 193k +M5 Le6-d7 b5-b4 Kg6-f7 g7-g6 Kf7-e8 g6-g5 Ke8-d8 g5-g4 Le5xc7+
18/10 00:01,701 295k 173k +M5 Le6-d7 b5-b4 Kg6-f7 g7-g6 Kf7-e8 g6-g5 Ke8-d8 g5-g4 Le5xc7+
19/10 00:02,072 337k 163k +M5 Le6-d7 b5-b4 Kg6-f7 g7-g6 Kf7-e8 g6-g5 Ke8-d8 g5-g4 Le5xc7+
20/10 00:02,369 369k 156k +M5 Le6-d7 b5-b4 Kg6-f7 g7-g6 Kf7-e8 g6-g5 Ke8-d8 g5-g4 Le5xc7+
Bester Zug: Le6-d7, Wert: +Matt in 5, Tiefe: 20/10, Dauer: 00:02,714, 368.758 Knoten, 156k

[Brunetti]

Analysis by Fruit 2.1:

Code: Select all

info depth 1 seldepth 3 score cp -377 time 0 nodes 19 pv e5c7 b8c7 g6g7
info depth 2 seldepth 7 score cp -100 time 16 nodes 260 pv e6d5 b5b4 e5c7 b8c7 d5a8
info depth 3 seldepth 7 score cp -100 time 16 nodes 430 pv e6d5 b5b4 e5c7 b8c7 d5a8
info depth 4 seldepth 9 score cp -55 time 16 nodes 1064 pv e6d5 b5b4 d5a8 b4b3 e5c7 b8c7 g6g7
info depth 5 seldepth 9 score cp -55 time 16 nodes 1559 pv e6d5 b5b4 d5a8 b4b3 e5c7 b8c7 g6g7
info depth 6 seldepth 11 score cp 0 time 16 nodes 4041 pv e6d5 b5b4 d5a8 b8a8 e5c7 h6h5 g6h5
info depth 7 seldepth 11 score cp -12 time 31 nodes 7625 pv e6d5 h6h5 d5a8 h5h4 a8g2 b5b4 e5c7 b8c7 g6g7
info depth 8 seldepth 15 score cp 0 time 31 nodes 16980 pv e6d5 h6h5 g6h5 b5b4 d5a8 b8a8 e5c7 b4b3 h5g5
info depth 9 seldepth 15 score cp 0 time 31 nodes 24517 pv e6d5 h6h5 g6h5 b5b4 d5a8 b8a8 e5c7 b4b3 c7e5 b3b2 e5b2
info depth 10 seldepth 15 score cp 0 time 47 nodes 36138 pv e6d5 h6h5 g6h5 b5b4 d5a8 b8a8 e5c7 b4b3 c7e5 b3b2 e5b2
info depth 11 seldepth 16 score cp 0 time 47 nodes 56254 pv e6d5 h6h5 g6h5 b5b4 d5a8 b8a8 e5c7 b4b3 c7e5 b3b2 e5b2 a8b8
info depth 12 seldepth 18 score cp 0 time 63 nodes 82064 pv e6d5 h6h5 g6h5 b5b4 d5a8 b8a8 e5c7 b4b3 c7e5 b3b2 e5b2 a8b8 b2g7
info depth 13 seldepth 21 score cp 0 time 78 nodes 146585 pv e6d5 h6h5 g6h5 b5b4 d5a8 b8a8 e5c7 b4b3 c7e5 b3b2 e5b2 a8b8 b2g7 b8a8
info depth 14 seldepth 21 score cp 0 time 94 nodes 236567 pv e6d5 h6h5 g6h5 b5b4 d5a8 b8a8 e5c7 b4b3 c7e5 b3b2 e5b2 a8b8 b2g7 b8a8 g7e5
info depth 15 seldepth 23 score cp 0 time 125 nodes 393017 pv e6d5 h6h5 g6h5 b5b4 d5a8 b8a8 e5c7 b4b3 c7e5 b3b2 e5b2 a8b8 b2g7 b8a8 g7e5
info depth 16 seldepth 24 score cp 0 time 156 nodes 635058 pv e6d5 h6h5 g6h5 b5b4 d5a8 b8a8 e5c7 b4b3 c7e5 b3b2 e5b2 a8b8 b2g7 b8a8 g7e5
info depth 17 seldepth 26 score mate 5 time 250 nodes 1307788 pv e6d7 b5b4 g6f7 b4b3 f7e7 b3b2 e7d8 b2b1q e5c7

Analysis by Fruit 2.1 bruteforce AB:

Code: Select all

info depth 1 seldepth 0 score cp -42 time 0 nodes 1 pv e5c7 h1e7
info depth 2 seldepth 1 score cp -492 time 0 nodes 3 pv e5c7 b8c7 e3a1 b1g8 b1g4
info depth 3 seldepth 2 score cp -58 time 31 nodes 73 pv e6d5 b5b4 e5c7
info depth 4 seldepth 3 score cp -425 time 31 nodes 166 pv e5c7 b8c7 g6g7 a8d8
info depth 5 seldepth 4 score cp -38 time 31 nodes 931 pv e6d5 b8c8 d5a8 c7d7 e5g7
info depth 6 seldepth 5 score cp -172 time 47 nodes 2995 pv e6d5 b5b4 d5a8 b4b3 e5c7 b8c7
info depth 7 seldepth 6 score cp 0 time 47 nodes 10757 pv e6d5 b5b4 d5a8 b8a8 e5c7 h6h5 g6h5
info depth 8 seldepth 7 score cp -82 time 62 nodes 29061 pv e6d5 b5b4 d5a8 b8a8 e5c7 b4b3 g6g7 b3b2
info depth 9 seldepth 8 score cp 15 time 94 nodes 100644 pv e5h2 b5b4 g6h5 g7g5 h5h6 g5g4 e6g4 b4b3 h2c7
info depth 10 seldepth 9 score mate 5 time 219 nodes 527599 pv e6d7 b5b4 g6f7 b4b3 f7e7 b3b2 e7d8 b2b1q e5c7

Alex

[cc2150dx]

FEN: rk6/p1r3p1/P3B1Kp/1p2B3/8/8/8/8 w - - 0 1

Lc0:
1/2 00:00 2 222 +2.21 1.Bd7 b4
1/2 00:00 4 235 -0.57 1.Kh5 b4
2/3 00:00 5 208 +3.75 1.Bd7 b4 2.Kf7
2/4 00:00 6 181 +7.02 1.Bd7 b4 2.Kf7 b3
2/5 00:00 7 175 +9.09 1.Bd7 b4 2.Kf7 b3 3.Ke7
3/6 00:00 8 170 +11.75 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2
3/7 00:00 9 169 +12.59 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8
4/7 00:00 14 233 +19.20 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8
4/8 00:00 16 242 +20.86 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8 b1Q
4/9 00:00 24 294 +9.28 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8 b1Q 5.Bxc7+
4/10 00:00 25 289 +9.86 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8 b1N
5/10 00:00 40 387 +15.43 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8 b1N 5.Bxc7+
6/10 00:00 78 533 +19.84 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8 b1R
7/10 00:00 163 711 +33.62 1.Bd7 b4 2.Kf7 h5 3.Ke7 h4 4.Kd8 g5
6/10 00:00 189 774 +96.98 1.Bd7 h5 2.Kf7 h4 3.Ke7 h3 4.Kd8
7/10 00:00 225 790 +59.94 1.Bd7 h5 2.Kf7 h4 3.Ke7 h3 4.Kd8 h2 5.Bxc7+
5/10 00:00 507 2k +M5 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8 b1Q 5.Bxc7+
4/10 00:00 654 2k +M5 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8 b1Q 5.Bxc7+
3/10 00:00 800 3k +M5 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8 b1Q 5.Bxc7+
2/10 00:00 2k 5k +M5 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8 b1Q 5.Bxc7+
2/11 00:00 22k 27k +M5 1.Bd7 b4 2.Kf7 b3 3.Ke7 b2 4.Kd8 b1Q 5.Bxc7+

[peter]

[d]rk6/p1r3p1/P3B1Kp/1p2B3/8/8/8/8 w - - 0 1

Not so difficult with less nullmove pruning.
Here's Dragon 3.3 with corresponding option unchecked single thread (3.5GHz):

Code: Select all

rk6/p1r3p1/P3B1Kp/1p2B3/8/8/8/8 w - - 0 1

Analysis by Dragon 3.3 by Komodo Chess 64-bit Null Move Pruning off

3.Ld5 b4 4.Lxa8 Kc8 5.Lxg7 Tc4 6.Lb7+ Kd8 7.Kxh6 b3 8.Kg5 
  Schwarz steht etwas besser.  
  =/+ (-0.45)  Tiefe: 10   00:00:00
...
3.Ld5 Kc8 4.Lxa8 Tc4 5.Lxg7 b4 6.Kxh6 Kc7 7.Kg5 Kb6 8.Lb7 b3 9.Kf5 Kb5 10.Ld5 Tb4 11.Lc3 b2 12.Lxb2 Txb2 13.Lb7 Td2 14.Ke5 Kc5 15.Kf4 Td8 16.Ke3 Kb5 17.Ke4 Kc4 
  Die Stellung ist ausgeglichen.  
  = (-0.10)  Tiefe: 25   00:00:09  15620kN
3.Ld7 b4 4.Kxg7 
  Die Stellung ist ausgeglichen.  
  = (-0.07 ++)  Tiefe: 25   00:00:09  15695kN
...
3.Ld7 b4 4.Kf7 h5 5.Ke8 b3 6.Kd8 h4 7.Lxc7# 
  Weiß setzt Matt.  
  +- (#5)  Tiefe: 25   00:00:09  16057kN
...
3.Ld7 b4 4.Kf7 h5 5.Ke8 b3 6.Kd8 h4 7.Lxc7# 
  Weiß setzt Matt.  
  +- (#5)  Tiefe: 36   00:00:12  28739kN

Default (Null Move Pruning checked) no correct solution after 3 minutes, broke off then.

If very difficult is the theme, why not at least take the original position and problem (2 moves longer, therefore Dragon- output above starts with 3. instead of 1.:

[pgn][Event "Aufgaben fur Schachspieler#61"]
[Site "?"]
[Date "1832.??.??"]
[Round "?"]
[White "Mendheim=J"]
[Black "(+0620.14g6b8) U2"]
[Result "1-0"]
[SetUp "1"]
[FEN "rkr5/p5p1/Pp4Kp/8/3B4/1B6/8/8 w - - 0 1"]
[PlyCount "13"]
[EventDate "1832.??.??"]

{stipulation: mate in 7. U2: Rusz=A HHdbVI 21-2-2016.} 1. Be5+ Rc7 2. Be6 b5 3. Bd7 b4 4. Kf7 (4. Kxg7 $1 {<cook AR>}) 4... b3 5. Ke8 (5. Ke7 {<or>}) 5... b2 6. Kd8 b1=Q 7. Bxc7# 1-0
[/pgn]
For the original position Dragon 3.3 single thread with switched off nullmove pruning takes about 30" for #7- output.

Edit: Here's Zappa Mexico single thread with default setting at the original position:

Code: Select all

 
rkr5/p5p1/Pp4Kp/8/3B4/1B6/8/8 w - - 0 1

Analysis by Zappa Mexico II x64:

1.Le5+ Tc7 2.Ld5 b5 3.Lxa8 Kxa8 4.Lxc7 b4 5.Kxg7 b3 6.Le5 h5 7.Kf6 h4 8.Ke6 h3 
  Die Stellung ist ausgeglichen.  
  = (0.01)  Tiefe: 16/26   00:00:01  1287kN, tb=23
...
1.Le5+ Tc7 2.Ld5 b5 3.Lxa8 Kxa8 4.Lxc7 b4 5.Kxg7 b3 6.Le5 h5 7.Kf6 h4 8.Ke6 h3 9.Kf7 
  Die Stellung ist ausgeglichen.  
  = (0.01)  Tiefe: 17/32   00:00:01  3403kN, tb=95
1.Le5+ Tc7 2.Le6 h5 3.Kh7 h4 4.Kg8 h3 5.Kf8 h2 6.Lxh2 g5 7.Ke8 g4 8.Kd8 g3 9.Lxg3 b5 10.Lxc7# 
  Weiß setzt Matt.  
  +- (#10)  Tiefe: 18/37   00:00:04  10919kN, tb=399
...
1.Le5+ Tc7 2.Le6 h5 3.Ld7 h4 4.Kf7 h3 5.Ke8 g5 6.Kd8 h2 7.Lxc7# 
  Weiß setzt Matt.  
  +- (#7)  Tiefe: 19/37   00:00:05  14321kN, tb=405
...
1.Le5+ Tc7 2.Le6 h5 3.Ld7 h4 4.Kf7 h3 5.Ke8 g5 6.Kd8 h2 7.Lxc7# 
  Weiß setzt Matt.  
  +- (#7)  Tiefe: 22/37   00:00:10  39345kN, tb=426

[towforce]

If very difficult is the theme, why not at least take the original position and problem (2 moves longer, therefore Dragon- output above starts with 3. instead of 1.:

[pgn][Event "Aufgaben fur Schachspieler#61"]
[Site "?"]
[Date "1832.??.??"]
[Round "?"]
[White "Mendheim=J"]
[Black "(+0620.14g6b8) U2"]
[Result "1-0"]
[SetUp "1"]
[FEN "rkr5/p5p1/Pp4Kp/8/3B4/1B6/8/8 w - - 0 1"]
[PlyCount "13"]
[EventDate "1832.??.??"]

{stipulation: mate in 7. U2: Rusz=A HHdbVI 21-2-2016.} 1. Be5+ Rc7 2. Be6 b5 3. Bd7 b4 4. Kf7 (4. Kxg7 $1 {<cook AR>}) 4... b3 5. Ke8 (5. Ke7 {<or>}) 5... b2 6. Kd8 b1=Q 7. Bxc7# 1-0
[/pgn]

The REAL hero of the difficult mate threads - the one who posts the solution as a viewable PGN!

[xenos1984]

Stockfish 17, 12 threads, 60GB hash table just needs a few seconds for both problems.

Simplified mate in 5:

Code: Select all

info depth 1 seldepth 2 multipv 1 score cp 5 nodes 328 nps 164000 hashfull 0 tbhits 0 time 2 pv e5g3
info depth 2 seldepth 2 multipv 1 score cp 5 nodes 1071 nps 535500 hashfull 0 tbhits 0 time 2 pv e5g3
info depth 3 seldepth 7 multipv 1 score cp -29 nodes 3904 nps 1952000 hashfull 0 tbhits 0 time 2 pv e6d5 b8c8 e5c7 c8c7 d5a8
info depth 4 seldepth 6 multipv 1 score cp -21 nodes 4348 nps 2174000 hashfull 0 tbhits 0 time 2 pv e6d5 b8c8 e5c7 c8c7 d5a8
info depth 5 seldepth 6 multipv 1 score cp 12 nodes 5088 nps 2544000 hashfull 0 tbhits 0 time 2 pv e6d5 h6h5 d5a8
info depth 6 seldepth 10 multipv 1 score cp -68 nodes 10220 nps 3406666 hashfull 0 tbhits 0 time 3 pv e6d5 b8c8 d5a8 c7c5 a8b7 c8d7
info depth 7 seldepth 15 multipv 1 score cp -126 nodes 31021 nps 3877625 hashfull 0 tbhits 0 time 8 pv e6d5 b8c8 d5a8 b5b4 e5g7 h6h5 g7e5 c7c5 a8b7 c8d7
info depth 8 seldepth 19 multipv 1 score cp -126 nodes 42939 nps 3903545 hashfull 0 tbhits 0 time 11 pv e6d5 b5b4 d5a8 b8c8 a8f3 b4b3 f3b7 c8d7 e5c7 d7c7
info depth 9 seldepth 15 multipv 1 score cp -124 nodes 45494 nps 4135818 hashfull 0 tbhits 0 time 11 pv e6d5 b8c8 d5a8 b5b4 a8d5 c7e7 d5b7 e7b7 a6b7 c8b7 e5g7 h6h5 g6h5 b4b3
info depth 10 seldepth 15 multipv 1 score cp -128 nodes 46688 nps 3890666 hashfull 0 tbhits 0 time 12 pv e6d5 b8c8 d5a8 b5b4 a8d5 c7c2
info depth 11 seldepth 19 multipv 1 score cp -115 nodes 62624 nps 3914000 hashfull 0 tbhits 0 time 16 pv e6d5 b8c8 d5a8 b5b4 e5g7 h6h5 g7f6 c7c5
info depth 12 seldepth 22 multipv 1 score cp -86 nodes 184204 nps 4283813 hashfull 0 tbhits 0 time 43 pv e6d5 b8c8 d5a8 b5b4 e5g7 h6h5 a8b7 c8d7 g6h5 d7e6 h5g6 b4b3 g7h8 c7c4 g6g5 c4a4 h8b2 a4a2 b2d4 b3b2
info depth 13 seldepth 23 multipv 1 score cp -100 nodes 221962 nps 4187962 hashfull 0 tbhits 0 time 53 pv e6d5 b8c8 d5a8 c7e7 a8b7 e7b7 a6b7 c8b7 e5g7 b7c6 g6h6 c6c5 h6g5 c5c4 g5f4 c4d3 g7a1
info depth 14 seldepth 24 multipv 1 score cp -80 nodes 416576 nps 4339333 hashfull 0 tbhits 0 time 96 pv e6d5 b5b4 d5a8 b8c8 e5g7 c8d7 g7h6 d7e6 h6g7 b4b3 a8e4 c7c4 e4f3 c4c2 g6g5 b3b2 g7b2 c2b2 g5g4 b2b6
info depth 15 seldepth 18 multipv 1 score cp -64 nodes 712364 nps 4813270 hashfull 0 tbhits 0 time 148 pv e6d5 b5b4 d5a8 b8c8 e5g7 c8d7 g7h6 b4b3 h6g7 d7e6 a8f3 c7c1 g6g5 c1g1 f3g4 e6d5 g5f4
info depth 16 seldepth 26 multipv 1 score cp -58 nodes 1006271 nps 4932700 hashfull 0 tbhits 0 time 204 pv e6d5 b8c8 d5a8 b5b4 e5g7 c8d7 g6h6 d7e6 h6g6 c7c1 a8f3 c1g1 g6h7
info depth 17 seldepth 26 multipv 1 score cp -60 nodes 1454318 nps 5085027 hashfull 0 tbhits 0 time 286 pv e6d5 b5b4 d5a8 b8c8 e5g7 c8d7 g6h6 d7e6 h6g6 c7c1 a8b7 c1g1 g6h7 b4b3 g7h8 g1e1 h7g6
info depth 18 seldepth 33 multipv 1 score cp -44 nodes 2819326 nps 4886180 hashfull 0 tbhits 0 time 577 pv e6d5 b5b4 d5a8 b8c8 e5g7 c8d7 a8f3 d7e6 g7h6 c7c3 f3g4 e6e7 h6g7 c3c6 g6f5 c6a6 g7d4 b4b3 g4d1 a6d6 d4c5 b3b2 d1c2 e7d7 c5d6 d7d6 f5e4 a7a5 e4d3 d6c5 d3c3
info depth 19 seldepth 33 multipv 1 score cp -40 nodes 3591228 nps 5029731 hashfull 0 tbhits 0 time 714 pv e6d5 b8c8 d5a8 h6h5 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g4 b5b4 g4f3 b4b3 f3e3 b3b2 b7e4 g7g5 e3d2 b6a6 d2c3 a6b5
info depth 20 seldepth 27 multipv 1 score cp -39 nodes 3733490 nps 5038448 hashfull 0 tbhits 0 time 741 pv e6d5 h6h5 d5a8 b8c8 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g4 b5b4 g4f4 b4b3 f4e3 b3b2 b7e4 b6a6 e3d2 a6b5 d2c3 g7g5 c3b2 b5c4 e4f3
info depth 21 seldepth 36 multipv 1 score cp -37 nodes 4370301 nps 5178081 hashfull 0 tbhits 0 time 844 pv e6d5 b8c8 d5a8 h6h5 a8b7 c7b7 a6b7 c8b7 g6h5 b7c6 e5g7 c6d5 h5g5 d5c4 g5f4 b5b4 f4e3 c4b3 e3d3 a7a5 g7d4 a5a4 d4c5 b3a2 c5b4 a2b1 d3c4 b1c2 b4c5
info depth 22 seldepth 32 multipv 1 score cp -36 nodes 5086507 nps 5309506 hashfull 0 tbhits 0 time 958 pv e6d5 b8c8 d5a8 h6h5 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g4 b5b4 g4f3 b4b3 f3e3 b3b2 b7e4 g7g5 e3d2 b6a6 d2c2 g5g4 c2b2 a6b6 b2c3 a7a5 c3b2 g4g3 b2c3 b6b5
info depth 23 seldepth 38 multipv 1 score cp -35 nodes 6069570 nps 5376058 hashfull 0 tbhits 0 time 1129 pv e6d5 h6h5 d5a8 b8c8 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g4 b5b4 g4f3 b4b3 f3e3 b3b2 b7e4 b6a6 e3d2 g7g5 d2c3 a6b5 c3b2 g5g4 e4h1 b5b4 b2c2 b4c4 c2d2 c4d4
info depth 24 seldepth 49 multipv 1 score cp -33 nodes 7007554 nps 5474651 hashfull 0 tbhits 0 time 1280 pv e6d5 h6h5 d5a8 b8c8 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g4 b5b4 g4f3 b4b3 f3e3 b3b2 b7e4 b6a6 e3d2 g7g5 d2c3 g5g4 c3b2 a6b5 b2c3 a7a5 c3d2 g4g3 e4f3
info depth 25 seldepth 44 multipv 1 score cp -29 nodes 10028263 nps 5580558 hashfull 0 tbhits 0 time 1797 pv e6d5 b8c8 d5a8 h6h5 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g4 b5b4 g4f3 b4b3 f3e3 b3b2 b7e4 b6a6 e3d2 g7g5 d2c3 a6b5 c3b2 b5c4
info depth 26 seldepth 39 multipv 1 score cp -27 nodes 11545096 nps 5701281 hashfull 0 tbhits 0 time 2025 pv e6d5 b8c8 d5a8 c7e7 a8b7 e7b7 a6b7 c8b7 e5g7 a7a5 g6h6 a5a4 h6g5 a4a3 g5f4 b5b4 f4e3 b4b3 e3d2 b7c6 d2c3 b3b2 c3c2 b2b1r c2b1 c6d6
info depth 27 seldepth 41 multipv 1 score cp -27 nodes 12261507 nps 5759279 hashfull 0 tbhits 0 time 2129 pv e6d5 b8c8 d5a8 h6h5 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g4 b5b4 g4f3 b4b3 f3e3 b3b2 b7e4 b6a6 e3d2 g7g5 d2c3 a6b5 c3b2 b5c4 b2c2 c4d4 e4g2 g5g4 c2b3 d4c5 b3c3 a7a5 g2e4 a5a4 e4f5 a4a3
info depth 28 seldepth 40 multipv 1 score cp -27 nodes 12380780 nps 5758502 hashfull 0 tbhits 0 time 2150 pv e6d5 b8c8 d5a8 h6h5 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g4 b5b4 g4f3 b4b3 f3e3 b3b2 b7e4 b6a6 e3d2 g7g5 d2c3 a6b5 c3b2 b5c4 e4f5 a7a5 b2c2 c4d5 c2d2
info depth 29 seldepth 43 multipv 1 score cp -26 nodes 14290729 nps 5750796 hashfull 1 tbhits 0 time 2485 pv e6d5 b8c8 d5a8 h6h5 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g4 b5b4 g4f3 b4b3 f3e3 b3b2 b7e4 b6a6 e3d2 g7g5 d2c3 a6b5 c3b2 b5c4 e4f5 a7a5 b2c2 c4d4 f5g4 d4d5
info depth 30 seldepth 55 multipv 1 score cp -20 nodes 23010631 nps 5846196 hashfull 1 tbhits 0 time 3936 pv e6d5 b8c8 d5a8 h6h5 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g6 b5b4 g6g7 b4b3 g7f6 b3b2 b7e4 b6a6 f6e5 a6a5 e5d4 a5b4 e4c2 b2b1q c2b1 a7a5 b1d3 b4b3 d3e4 b3a2 d4c4
info depth 31 seldepth 42 multipv 1 score cp -17 nodes 28078462 nps 5734979 hashfull 1 tbhits 0 time 4896 pv e6d5 b5b4 d5a8 b8c8 e5g7 c7g7 g6g7 c8c7 g7h6 c7b6 a8d5 b6a6 h6g5 a6b5 g5f4 b4b3 d5b3 b5b4 b3e6 a7a5 e6d7 b4c4 f4e5 c4b3 d7e6 b3c3 e6h3 c3b2
info depth 32 seldepth 54 multipv 1 score cp -17 nodes 33230716 nps 5669803 hashfull 1 tbhits 0 time 5861 pv e6d5 b5b4 d5a8 b8c8 e5g7 h6h5 a8b7 c8d7 g6h5 d7e6 h5g6 c7c1 g7d4 c1c4 d4b2 c4g4 g6h5 g4g8 b7e4 b4b3 b2d4 g8d8 d4c3 d8d6 h5g4 d6a6 g4f3 a6a4 f3e3 e6d6 c3g7 a7a5 e3d3 a4e4 d3e4 a5a4 g7f8 d6c6
info depth 33 seldepth 62 multipv 1 score cp -18 nodes 35748288 nps 5637642 hashfull 2 tbhits 0 time 6341 pv e6d5 b5b4 d5a8 b8c8 e5g7 h6h5 a8b7 c8d7 g6h5 d7e6 h5g6 c7c1 g7d4 c1c4 d4b2 c4g4 g6h5 g4g8 b7e4 b4b3 b2d4 g8d8 d4c3 d8d6 h5g5 d6a6 g5f4 e6d6 c3b4 d6c7 f4e3 c7b6 e4d3 a6a4 b4e7 a7a5 e3d2 a4g4 d2c3 g4g3 e7d8 b6b7
info depth 34 seldepth 60 multipv 1 score cp -12 nodes 56666682 nps 5488830 hashfull 3 tbhits 0 time 10324 pv e6d5 b8c8 d5a8 h6h5 a8b7 c8d7 e5c7 d7c7 g6h5 c7b6 h5g6 b5b4 g6g7 b4b3 g7f6 b3b2 b7e4 b6a6 f6e5 a6a5 e5d4 a5b4 e4b1 b4b3 d4d3 a7a5 b1c2 b3b4 c2b1 a5a4 d3c2 a4a3 b1a2 b4a4 a2b1 a3a2 c2b2 a2a1q b2a1
info depth 35 seldepth 57 multipv 1 score mate 5 nodes 66636195 nps 5848358 hashfull 3 tbhits 0 time 11394 pv e6d7 b5b4 g6f7 b4b3 f7e8 b3b2 e8d8 b2b1q e5c7

Original mate in 7:

Code: Select all

info depth 1 seldepth 5 multipv 1 score cp -164 nodes 352 nps 352000 hashfull 0 tbhits 0 time 1 pv d4e5 c8c7
info depth 2 seldepth 5 multipv 1 score cp -164 nodes 1756 nps 1756000 hashfull 0 tbhits 0 time 1 pv d4e5 c8c7
info depth 3 seldepth 4 multipv 1 score cp -67 nodes 2299 nps 2299000 hashfull 0 tbhits 0 time 1 pv d4e5 c8c7 b3e6
info depth 4 seldepth 14 multipv 1 score cp -65 nodes 2926 nps 1463000 hashfull 0 tbhits 0 time 2 pv d4e5 c8c7 b3d5
info depth 5 seldepth 7 multipv 1 score cp -45 nodes 3456 nps 1728000 hashfull 0 tbhits 0 time 2 pv d4e5 c8c7 b3d5
info depth 6 seldepth 14 multipv 1 score cp -39 nodes 4037 nps 2018500 hashfull 0 tbhits 0 time 2 pv d4e5 c8c7 b3d5
info depth 7 seldepth 8 multipv 1 score cp 9 nodes 4916 nps 2458000 hashfull 0 tbhits 0 time 2 pv d4e5 c8c7 b3d5 h6h5 d5a8 b8a8 e5c7
info depth 8 seldepth 21 multipv 1 score cp -13 nodes 68536 nps 6853600 hashfull 0 tbhits 0 time 10 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6a5
info depth 9 seldepth 22 multipv 1 score cp -14 nodes 74703 nps 6791181 hashfull 0 tbhits 0 time 11 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 c7d6 a8b7 b6b5 g6g7 h6h5 g7g6 b5b4 g6h5
info depth 10 seldepth 25 multipv 1 score cp -11 nodes 99337 nps 7095500 hashfull 0 tbhits 0 time 14 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 h6h5 g6h5 b6b5 a8b7 b5b4 h5g6 b4b3 g6g7 c7b6 g7f6 b6c5
info depth 11 seldepth 24 multipv 1 score cp -12 nodes 103431 nps 6895400 hashfull 0 tbhits 0 time 15 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6b6 g5f4 a7a5 f4e3 a5a4 e3d4 a4a3 a8d5 b6a7 d4e3
info depth 12 seldepth 25 multipv 1 score cp -12 nodes 112162 nps 7010125 hashfull 0 tbhits 0 time 16 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6b6 g5f4 a7a5 f4e3 a5a4 e3d4 a4a3 a8d5 a3a2 d5a2 b6c6
info depth 13 seldepth 30 multipv 1 score cp -12 nodes 155747 nps 7079409 hashfull 0 tbhits 0 time 22 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 h6h5 g6h5 b6b5 a8b7 b5b4 h5g6 b4b3 g6g7 b3b2 b7e4 c7b6 g7f6 b6a6 f6e5 a6a5 e5d4 a5b4 e4b1 a7a5 d4d3 a5a4
info depth 14 seldepth 32 multipv 1 score cp -12 nodes 163271 nps 7098739 hashfull 0 tbhits 0 time 23 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 h6h5 g6h5 b6b5 a8b7 b5b4 h5g6 b4b3 g6g7 b3b2 b7e4 c7b6 g7f6 b6a6 f6e5 a6a5 e5d4 a5b4 e4b1 a7a5 d4d3 a5a4 d3c2 a4a3
info depth 15 seldepth 36 multipv 1 score cp -10 nodes 245328 nps 7009371 hashfull 0 tbhits 0 time 35 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6a5 g5f4 a5b4 a8c6 a7a5 f4e3 b4c3 c6b5 c3b4
info depth 16 seldepth 36 multipv 1 score cp -11 nodes 287384 nps 6842476 hashfull 0 tbhits 0 time 42 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6a5 g5f4 a5b4 a8c6 a7a6 f4e3 a6a5 e3d4 a5a4 c6b5 a4a3 b5c4
info depth 17 seldepth 36 multipv 1 score cp -11 nodes 308381 nps 6852911 hashfull 0 tbhits 0 time 45 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6a5 g5f4 a5b4 a8c6 b4b3
info depth 18 seldepth 38 multipv 1 score cp -11 nodes 359132 nps 6906384 hashfull 0 tbhits 0 time 52 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6a5 g5f4 a5b4 a8c6 a7a6 f4e3 b4c3 e3e2 a6a5 c6b5 c3b3 e2e3 b3a2
info depth 19 seldepth 43 multipv 1 score cp -11 nodes 382554 nps 6955527 hashfull 0 tbhits 0 time 55 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b5b4 a8d5 b6a6 h6g5 a6b6 g5f4 a7a5 f4e5 b6a7
info depth 20 seldepth 42 multipv 1 score cp -10 nodes 460830 nps 6878059 hashfull 0 tbhits 0 time 67 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b5b4 a8d5 b6a6 h6g5 a6b6 g5f4 a7a5 f4e5 a5a4 e5d4 b6b5 d4d3 a4a3 d5b3 b5c5 d3e3 c5c6 e3d3 c6c7 b3d5 a3a2 d5a2
info depth 21 seldepth 34 multipv 1 score cp -11 nodes 495609 nps 6789164 hashfull 0 tbhits 0 time 73 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6b6 g5f4 b6c5 f4e3 a7a5 e3d2 a5a4 d2c2 c5d4 c2b2 b5b4 a8b7 d4c4
info depth 22 seldepth 38 multipv 1 score cp -11 nodes 517977 nps 6726974 hashfull 0 tbhits 0 time 77 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6b6 g5f4 a7a5 f4e3 b6c5 e3d3 a5a4 d3c2 b5b4 a8h1 c5c4 c2b2 a4a3 b2a2 c4c5 a2b3 c5d4 b3a2 d4e3 a2b3
info depth 23 seldepth 48 multipv 1 score cp -12 nodes 604257 nps 6640186 hashfull 0 tbhits 0 time 91 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6b6 g5f4 a7a5 f4e3 b6c5 e3d3 a5a4 d3c3 b5b4 c3c2 c5d4 c2b2 d4c4 a8c6 a4a3 b2a2 c4d3 a2b3 d3d4
info depth 24 seldepth 44 multipv 1 score cp -10 nodes 875386 nps 7003088 hashfull 0 tbhits 0 time 125 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 b5b4 g3f3 a6b5 f3e2 b4b3 e2d2 b5c5 d2c3
info depth 25 seldepth 46 multipv 1 score cp -10 nodes 1076141 nps 7126761 hashfull 0 tbhits 0 time 151 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 c7b6 g5h4 b6a6 h4g5 a6b6 g5f4 b6c5 f4e3 a7a5 e3d3 b5b4 a8e4 a5a4 e4h7 c5b5 h7g8 a4a3 g8b3 b5c5 b3g8 c5d6 g8b3 d6e5 d3e3 e5f6 e3f3
info depth 26 seldepth 46 multipv 1 score cp -10 nodes 1247688 nps 7129645 hashfull 0 tbhits 0 time 175 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6b6 g5f4 b6c5 f4e3 a7a5 e3d3 a5a4 a8e4 b5b4 e4h7 c5d5 h7g8 d5e5 d3e3 e5d6 e3d3 d6e7 d3c4
info depth 27 seldepth 50 multipv 1 score cp -8 nodes 1789304 nps 7549805 hashfull 0 tbhits 0 time 237 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 c7b6 g7h6 b6a6 h6g5 a6a5 g5f4 b5b4 f4e3 a5a4 e3d4 a7a5 d4c4 a4a3 a8e4 a5a4 c4b5 b4b3 e4b1 a3b2 b5a4 b2c3 a4a3 c3c4 b1e4 c4c5
info depth 28 seldepth 54 multipv 1 score cp -7 nodes 2869279 nps 8268815 hashfull 0 tbhits 0 time 347 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 a6a5 g3f4 a5b6 f4e4 b6c5 e4e3 b5b4 e3d3 b4b3 d3c3 c5d6
info depth 29 seldepth 48 multipv 1 score cp -6 nodes 3042858 nps 8201773 hashfull 0 tbhits 0 time 371 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 a6a5 g3f4 a5b6 f4e4 b6c5 e4e3 a7a5 e3d3 c5d6 d3c3 d6e7
info depth 30 seldepth 45 multipv 1 score cp -6 nodes 3101675 nps 8183839 hashfull 0 tbhits 0 time 379 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 a6a5 g3f4 a5b6 f4e4 b6c5 e4e3 a7a5 e3d3 a5a4 a8e4 b5b4 e4h7 c5d5 h7g8 d5e5 d3c4 e5f4
info depth 31 seldepth 55 multipv 1 score cp -6 nodes 3317631 nps 8091782 hashfull 0 tbhits 0 time 410 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 a6a5 g3f4 a5b6 f4e4 b6c5 e4e3 a7a5 e3d3 a5a4 a8e4 b5b4 e4h7 c5b5
info depth 32 seldepth 52 multipv 1 score cp -6 nodes 3397820 nps 8070831 hashfull 0 tbhits 0 time 421 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 b5b4 g3f4 a6b5 f4e3 b5c4 e3d2 c4c5 d2d3 a7a5 a8e4 a5a4 e4h7 b4b3 d3c3 a4a3 c3b3 a3a2 b3a2
info depth 33 seldepth 60 multipv 1 score cp -6 nodes 3784262 nps 8155737 hashfull 0 tbhits 0 time 464 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 b5b4 g3f4 a6b5 f4e3 b5c4 e3d2 c4c5 d2d3 a7a5 a8e4 a5a4 e4h7 c5c6 h7g8 c6b5 g8d5 b5a5 d3d4 a5b6 d4d3 b4b3 d3c3
info depth 34 seldepth 48 multipv 1 score cp -6 nodes 3931419 nps 8139583 hashfull 0 tbhits 0 time 483 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 b5b4 g3f4 b4b3 f4e3 b3b2 a8e4 a6a5 e3d2 a5b4 d2c2 b4a3 c2c3 a3a2 e4g6
info depth 35 seldepth 48 multipv 1 score cp -4 nodes 5305807 nps 8137740 hashfull 0 tbhits 0 time 652 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 b5b4 g3f4 a6b5 f4e3 b5c4 e3d2 c4c5 d2d3 a7a5 a8e4 a5a4 e4h7 c5b6
info depth 36 seldepth 62 multipv 1 score cp -4 nodes 6068790 nps 8256857 hashfull 0 tbhits 0 time 735 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 b5b4 g3f4 a6b5 f4e3 b5c4 e3d2 c4b3 a8d5 b3b2 d5c6 a7a6 c6d7 a6a5 d7c6 b2b1 c6e4 b1a2 e4d5 a2a3 d2c1 a5a4 d5c6 b4b3 c6a4 a3a4 c1b2
info depth 37 seldepth 58 multipv 1 score cp -3 nodes 7597041 nps 8507324 hashfull 0 tbhits 0 time 893 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 b5b4 g3f4 a6b5 f4e3 b5c4 e3d2 c4c5 d2d3 a7a5 a8e4 a5a4 e4h7 c5d6 h7g8 a4a3 g8b3 d6c5 b3g8 c5c6 g8b3 c6c7 d3c4 c7b8
info depth 38 seldepth 62 multipv 1 score cp -1 nodes 9186803 nps 8553820 hashfull 0 tbhits 0 time 1074 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 a6b6 g3f4 b6c5 f4e3 c5c4 e3e2 c4b3 e2d2 a7a5 a8c6 b5b4 c6d5 b3b2 d5c6 b2a2 c6d5 a2a3 d2c1 b4b3 d5b3 a3b3 c1b1 b3c3
info depth 39 seldepth 68 multipv 1 score cp -1 nodes 10949043 nps 8422340 hashfull 0 tbhits 0 time 1300 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 h4h3 g5h4 h3h2 h4g3 c7b6 g3h2 b6a6 h2g3 a6b6 g3f4 b6c5 f4e3 c5c4 e3e2 c4b3 e2d2 b3b2 d2d3 a7a6 a8b7 a6a5 b7c6 b5b4 d3d2 b2b3 d2c1 b3c3 c6a4 c3d3 c1b2 d3c4 b2c1 c4d5 c1b2 b4b3 b2b3 d5d4 b3a3
info depth 40 seldepth 50 multipv 1 score cp 0 nodes 13206003 nps 8192309 hashfull 0 tbhits 0 time 1612 pv d4e5 c8c7 b3d5 b8c8 e5c7 c8c7 d5a8 b6b5 g6g7 h6h5 g7h6 h5h4 h6g5 c7b6 g5h4 b6a6 h4g3 a6b6 g3f4 b6c5 f4e3 c5c4 e3d2 b5b4 a8c6 c4b3 d2c1 a7a5 c6d5 b3c3 d5c6 b4b3 c6d7 c3c4 c1b2 c4b4 d7e8 a5a4 b2b1
info depth 41 seldepth 43 multipv 1 score mate 7 nodes 13842186 nps 8190642 hashfull 0 tbhits 0 time 1690 pv d4e5 c8c7 b3e6 h6h5 e6d7 h5h4 g6f7 h4h3 f7e8 h3h2 e8d8 h2h1q e5c7
bestmove d4e5 ponder c8c7

[Master Om]

It gets it though late.
[d]rkr5/p5p1/Pp4Kp/8/3B4/1B6/8/8 w - - 0 1

Code: Select all

 [Mate in 7]  d=245  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 442596kN
 [Mate in 7]  d=244  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 440047kN
 [Mate in 7]  d=243  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 438975kN
 [Mate in 7]  d=242  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 435991kN
 [Mate in 7]  d=241  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 433670kN
 [Mate in 7]  d=240  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 431483kN
 [Mate in 7]  d=239  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 430092kN
 [Mate in 7]  d=238  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 428190kN
 [Mate in 7]  d=237  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 427194kN
 [Mate in 7]  d=236  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 422608kN
 [Mate in 7]  d=235  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 421839kN
 [Mate in 7]  d=234  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 418342kN
 [Mate in 7]  d=233  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:30) 416764kN
 [Mate in 7]  d=232  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:29) 415400kN
 [Mate in 7]  d=231  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:29) 412072kN
 [Mate in 7]  d=230  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:29) 409932kN
 [Mate in 7]  d=229  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:29) 407550kN
 [Mate in 7]  d=228  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:29) 404300kN
 [Mate in 7]  d=227  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:29) 402450kN
 [Mate in 7]  d=226  1.Be5 Rc7 2.Be6 b5 3.Bd7 b4 4.Kf7 b3 5.Ke8 b2 6.Kd8 b1Q 7.Bxc7#(0:01:29) 401669kN

[Vinvin]

Yes, very well known position : forum3/search.php?st=0&sk=t&sd=d&sr=top ... 8&start=20