Is it mate in 11 and is e4 the only solution?

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fishpov
Posts: 113
Joined: Sat Mar 07, 2015 6:05 pm

Re: Is it mate in 11 and is e4 the only solution?

Post by fishpov »

Here another solution : Nc3 in Mat 11 !
The last stockfish seems very strong in Mat find.
[fen]3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1[/fen]

Analysis by Stockfish 250222

1. +- (#11): 1.e4 Kf8 2.d4 Qc7 3.Qh5 Qd6 4.Qh8+ Kf7 5.Bc4+ Ke7 6.Bg5+ Kd7 7.Qd8+ Kc6 8.Bb5+ Kxb5 9.Qxd6 Ka5 10.Qc6 Kb4 11.Bd2#
2. +- (#11): 1.Nc3 Qf6 2.e4 Qg6 3.d4 Kd7 4.Qf3 Ke7 5.Nd5+ Kd7 6.Qf4 Ke6 7.Bb5 Qg5 8.Qxg5 Kf7 9.Qf6+ Kg8 10.Ne7+ Kh7 11.Qh6#
3. +- (#12): 1.d4 Qh4 2.Nc3 Qh5 3.e4 Qxd1+ 4.Nxd1 Ke7 5.h4 Kf8 6.h5 Kg7 7.h6+ Kh7 8.Bc4 Kg6 9.h7 Kf6 10.h8Q+ Ke7 11.Rh7+ Kd6 12.Qf6#
4. +- (#12): 1.e3 Qg5 2.Qf3 Qc5 3.Nc3 Kd7 4.Bb5+ Kd8 5.Qd5+ Qxd5 6.Nxd5 Kc8 7.h4 Kb8 8.h5 Ka7 9.h6 Ka8 10.h7 Ka7 11.h8Q Kb7 12.Rh7#
5. +- (#12): 1.h4 Qf6 2.e3 Qh6 3.Qg4 Ke7 4.h5 Kf6 5.Qe4 Kf7 6.Bc4+ Kf8 7.b3 Qf6 8.Ba3+ Kg7 9.h6+ Kh8 10.Qe8+ Qf8 11.Qxf8+ Kh7 12.Bd3#
6. +- (#12): 1.h3 Qh4 2.Nc3 Qh5 3.e4 Qxd1+ 4.Kxd1 Kf8 5.a4 Ke7 6.a5 Kf7 7.a6 Ke7 8.a7 Kf6 9.Ra6+ Kg7 10.a8Q Kf7 11.Qb7+ Kf8 12.Ra8#
7. +- (#12): 1.a4 Qa5 2.e3 Qb6 3.a5 Qc5 4.a6 Qa7 5.Qf3 Kd8 6.Nc3 Kc8 7.Qf8+ Kd7 8.Qf7+ Kd8 9.Qxa7 Ke8 10.Qb7 Kd8 11.a7 Ke8 12.a8Q#
Andrew
Posts: 231
Joined: Thu Mar 09, 2006 12:51 am
Location: Australia

Re: Is it mate in 11 and is e4 the only solution?

Post by Andrew »

I can confirm the M11 results from Houdini 6.01 (6 min run) and Stockfish ( 1h 5min run)
Both running in three variation mode in Fritz 17 GUI.

6 min

New game Line 0.0
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1

Analysis by Houdini 6.01 Pro x64-pext:

1. +- (#11): 1.e4 Qd4 2.Qg4 Qb6 3.d4 Qxd4 4.Qg8+ Kd7 5.Bb5+ Kc7 6.Bf4+ Kb6 7.Qb8+ Kc5 8.Be3 Qxe3+ 9.fxe3 Kb4 10.a3+ Ka5 11.b4#
2. +- (#11): 1.Nc3 Qd4 2.e4 Qg7 3.Qh5+ Qf7 4.Qh6 Qf8 5.Qc6+ Kf7 6.Bc4+ Kg7 7.d3 Qf7 8.Qh6+ Kg8 9.Bf4 Qxc4 10.Qg6+ Kh8 11.Be5#
3. +- (#12): 1.d4 Qa5+ 2.Nc3 Qh5 3.e4 Qxd1+ 4.Nxd1 Kf7 5.a4 Kg6 6.a5 Kf7 7.a6 Kg6 8.a7 Kf7 9.a8Q Kf6 10.Ra7 Kg6 11.Qg8+ Kf6 12.Qf7#
White mates

(, 25.02.2022)

1h 5m

New game Line 0.0
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1

Analysis by Stockfish 250222:

1. +- (#11): 1.e4 Qh4 2.Qf3 Qh7 3.Bb5+ Ke7 4.d4 Qf7 5.Qg4 Kd8 6.Bf4 Ke7 7.Be5 Kf8 8.Qc8+ Ke7 9.Qd7+ Kf8 10.Qd8+ Qe8 11.Qxe8#
2. +- (#11): 1.Nc3 Qd7 2.e4 Qg7 3.d4 Qg6 4.Qf3 Qf7 5.Qg3 Qf8 6.Nd5 Kf7 7.Bc4 Qb4+ 8.Nxb4+ Kf8 9.Qc7 Ke8 10.Bf7+ Kf8 11.Bh6#
3. +- (#12): 1.e3 Qd7 2.a4 Kf8 3.Qf3+ Ke7 4.Nc3 Kd8 5.a5 Qc7 6.a6 Ke7 7.a7 Qc8 8.a8Q Qxa8 9.Qxa8 Kf7 10.Ra6 Ke7 11.Qb7+ Kf8 12.Ra8#
White mates

(, 25.02.2022)
Uri Blass
Posts: 10882
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: Is it mate in 11 and is e4 the only solution?

Post by Uri Blass »

Andrew wrote: Fri Feb 25, 2022 12:34 pm I can confirm the M11 results from Houdini 6.01 (6 min run) and Stockfish ( 1h 5min run)
Both running in three variation mode in Fritz 17 GUI.

6 min

New game Line 0.0
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1

Analysis by Houdini 6.01 Pro x64-pext:

1. +- (#11): 1.e4 Qd4 2.Qg4 Qb6 3.d4 Qxd4 4.Qg8+ Kd7 5.Bb5+ Kc7 6.Bf4+ Kb6 7.Qb8+ Kc5 8.Be3 Qxe3+ 9.fxe3 Kb4 10.a3+ Ka5 11.b4#
2. +- (#11): 1.Nc3 Qd4 2.e4 Qg7 3.Qh5+ Qf7 4.Qh6 Qf8 5.Qc6+ Kf7 6.Bc4+ Kg7 7.d3 Qf7 8.Qh6+ Kg8 9.Bf4 Qxc4 10.Qg6+ Kh8 11.Be5#
3. +- (#12): 1.d4 Qa5+ 2.Nc3 Qh5 3.e4 Qxd1+ 4.Nxd1 Kf7 5.a4 Kg6 6.a5 Kf7 7.a6 Kg6 8.a7 Kf7 9.a8Q Kf6 10.Ra7 Kg6 11.Qg8+ Kf6 12.Qf7#
White mates

(, 25.02.2022)

1h 5m

New game Line 0.0
3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1

Analysis by Stockfish 250222:

1. +- (#11): 1.e4 Qh4 2.Qf3 Qh7 3.Bb5+ Ke7 4.d4 Qf7 5.Qg4 Kd8 6.Bf4 Ke7 7.Be5 Kf8 8.Qc8+ Ke7 9.Qd7+ Kf8 10.Qd8+ Qe8 11.Qxe8#
2. +- (#11): 1.Nc3 Qd7 2.e4 Qg7 3.d4 Qg6 4.Qf3 Qf7 5.Qg3 Qf8 6.Nd5 Kf7 7.Bc4 Qb4+ 8.Nxb4+ Kf8 9.Qc7 Ke8 10.Bf7+ Kf8 11.Bh6#
3. +- (#12): 1.e3 Qd7 2.a4 Kf8 3.Qf3+ Ke7 4.Nc3 Kd8 5.a5 Qc7 6.a6 Ke7 7.a7 Qc8 8.a8Q Qxa8 9.Qxa8 Kf7 10.Ra6 Ke7 11.Qb7+ Kf8 12.Ra8#
White mates

(, 25.02.2022)
I can confirm no mate in 11 with other moves except e4 and Nc3 by chest

After 625,745,978,315 nodes it finished searching all moves except Nc3 when e4 is the only M11 it found.
Uri Blass
Posts: 10882
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: Is it mate in 11 and is e4 the only solution?

Post by Uri Blass »

I will stop the search of chest and not wait many hours for stockfish.

I basically do not trust stockfish and houdini inspite of the fact that I never saw a wrong mate announcement by stockfish.
because I know that they may have hash collisions(chest cannot have hash collisions) but so far it is one of the following:
1)Stockfish was lucky not to show a wrong mate score that is shorter than the real mate.
2)I do not undestand how hash collisions work so even in theory there is not a probablity that is bigger than 0 that stockfish will say mate in 11 for 1.Nc3 when it is practically only mate in 12.
pepechuy
Posts: 226
Joined: Fri Oct 22, 2021 4:22 am
Full name: José García Ruvalcaba

Re: Is it mate in 11 and is e4 the only solution?

Post by pepechuy »

Uri Blass wrote: Sun Feb 20, 2022 6:14 pm I can add that when I give it for chest I read
FEN: 3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1

ChestUCI:
FEN: 3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - (16+2)
Stellungs-Analyse: C0/R0/K5/P2/X20 W:10/20
Problem in Datenbank gefunden: #11;
Suche nach Matt in 126 ... (Hash=2044MB)

I do not know what is the meaning of Datenbank gefunden and I do not know if it only means that there is mate in 11 and no mate in 10 or also that chest found all the possible solutions for mate in 11.
Hi.

"Problem in Datenbank gefunden" means "problem found in database".
It does not mean that there is some kind of technical problem in the database.
Rather, it means that the position you gave is found in some database.
("Datenbank gefunden" alone means that a database was found, but that was not what they tried to say).
I understand that #11 means mate in 11.
As for your other questions, I do not know.

Greetings.
Chessqueen
Posts: 5685
Joined: Wed Sep 05, 2018 2:16 am
Location: Moving
Full name: Jorge Picado

Re: Is it mate in 11 and is e4 the only solution?

Post by Chessqueen »

fishpov wrote: Fri Feb 25, 2022 10:26 am Here another solution : Nc3 in Mat 11 !
The last stockfish seems very strong in Mat find.
[fen]3qk3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1[/fen]

Analysis by Stockfish 250222

1. +- (#11): 1.e4 Kf8 2.d4 Qc7 3.Qh5 Qd6 4.Qh8+ Kf7 5.Bc4+ Ke7 6.Bg5+ Kd7 7.Qd8+ Kc6 8.Bb5+ Kxb5 9.Qxd6 Ka5 10.Qc6 Kb4 11.Bd2#
2. +- (#11): 1.Nc3 Qf6 2.e4 Qg6 3.d4 Kd7 4.Qf3 Ke7 5.Nd5+ Kd7 6.Qf4 Ke6 7.Bb5 Qg5 8.Qxg5 Kf7 9.Qf6+ Kg8 10.Ne7+ Kh7 11.Qh6#
3. +- (#12): 1.d4 Qh4 2.Nc3 Qh5 3.e4 Qxd1+ 4.Nxd1 Ke7 5.h4 Kf8 6.h5 Kg7 7.h6+ Kh7 8.Bc4 Kg6 9.h7 Kf6 10.h8Q+ Ke7 11.Rh7+ Kd6 12.Qf6#
4. +- (#12): 1.e3 Qg5 2.Qf3 Qc5 3.Nc3 Kd7 4.Bb5+ Kd8 5.Qd5+ Qxd5 6.Nxd5 Kc8 7.h4 Kb8 8.h5 Ka7 9.h6 Ka8 10.h7 Ka7 11.h8Q Kb7 12.Rh7#
5. +- (#12): 1.h4 Qf6 2.e3 Qh6 3.Qg4 Ke7 4.h5 Kf6 5.Qe4 Kf7 6.Bc4+ Kf8 7.b3 Qf6 8.Ba3+ Kg7 9.h6+ Kh8 10.Qe8+ Qf8 11.Qxf8+ Kh7 12.Bd3#
6. +- (#12): 1.h3 Qh4 2.Nc3 Qh5 3.e4 Qxd1+ 4.Kxd1 Kf8 5.a4 Ke7 6.a5 Kf7 7.a6 Ke7 8.a7 Kf6 9.Ra6+ Kg7 10.a8Q Kf7 11.Qb7+ Kf8 12.Ra8#
7. +- (#12): 1.a4 Qa5 2.e3 Qb6 3.a5 Qc5 4.a6 Qa7 5.Qf3 Kd8 6.Nc3 Kc8 7.Qf8+ Kd7 8.Qf7+ Kd8 9.Qxa7 Ke8 10.Qb7 Kd8 11.a7 Ke8 12.a8Q#

And this Position, can Stockfish find Mate in 17?
[fen]r3k2r/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1[/fen]
FEN: r3k2r/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1

FEN: r3k2r/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1

Dragon-2.6.1-64bit-avx2:
1 00:00 2 2k +18.88 Ng1-f3
1 00:00 6 6k +19.92 Nb1-c3 Ke8-f7
2 00:00 37 37k +19.92 Nb1-c3 Ke8-f7
2 00:00 57 57k +32.91 d2-d4 Rh8-h5
3 00:00 99 99k +18.80 d2-d4 Rh8-h5 e2-e4
3 00:00 134 134k +32.72 Nb1-c3 Ke8-f7 Ng1-f3
4 00:00 327 327k +20.02 Nb1-c3 Ke8-f7 b2-b4 Rh8-g8
4 00:00 500 500k +21.67 e2-e4 Ra8-a5 Ng1-e2 Ra5-d5 e4xd5
5+ 00:00 549 505k +30.20 e2-e4 Ra8-a5 Ng1-e2
5- 00:00 707 546k +21.65 e2-e4 Rh8-h6
5 00:00 909 617k +31.11 e2-e4 Rh8-h6 Qd1-g4 Rh6-f6 Qg4-h5+ Ke8-f8
6- 00:00 1k 641k +31.00 e2-e4 Rh8-h6
6- 00:00 1k 646k +29.02 e2-e4 Rh8-h6
6- 00:00 2k 640k +23.45 e2-e4 Rh8-h6
6 00:00 2k 688k +29.03 e2-e4 Rh8-h6 h2-h3 Ke8-f7 Bf1-a6 Ra8xa6
7- 00:00 2k 690k +28.91 e2-e4 Rh8-h6
7- 00:00 2k 708k +24.71 e2-e4 Rh8-h6
7- 00:00 2k 725k +23.45 e2-e4 Rh8-h6
7 00:00 5k 924k +29.88 e2-e4 Ra8-d8 d2-d4 Rh8-h7 Nb1-c3 Rh7-a7 Bf1-b5+ Ke8-f8
8- 00:00 5k 928k +29.25 e2-e4 Ra8-d8
8- 00:00 5k 939k +25.34 e2-e4 Ra8-d8
8- 00:00 5k 934k +28.99 e2-e4 Ra8-d8
8- 00:00 8k 1,006k +28.55 e2-e4 Ra8-a5
8- 00:00 13k 1,050k +24.21 e2-e4 Ra8-a5
8 00:00 14k 1,058k +24.11 e2-e4 Ra8-a5 Ng1-e2 Ke8-f8 Ne2-c3 Kf8-g7 Qd1-g4+ Kg7-f6
9+ 00:00 14k 1,056k +27.37 e2-e4 Ra8-a5 Ng1-e2
9 00:00 14k 1,060k +27.37 e2-e4 Ra8-a5 Ng1-e2 Ke8-f8 Ne2-c3 Kf8-g7 Qd1-g4+ Kg7-f6
10+ 00:00 14k 1,062k +29.06 e2-e4 Rh8xh2 Rh1xh2
10- 00:00 17k 1,088k +24.21 e2-e4 Ra8-a5
10 00:00 28k 1,150k +29.27 e2-e4 Ra8-a7 g2-g3 Ra7-a5 Bf1-b5+ Ra5xb5 Nb1-c3
11- 00:00 35k 1,192k +28.93 e2-e4 Ra8-a5
11+ 00:00 36k 1,192k +38.77 d2-d4 Rh8-h5 Qd1-d3
11 00:00 37k 1,220k +38.77 d2-d4 Rh8-h5 Qd1-d3 Ke8-d8 Qd3-g6 Rh5-a5 Bc1-d2 Kd8-d7 Qg6-f7+ Kd7-d8 Bd2xa5+ Ra8xa5 Qf7-f6+ Kd8-d7
12- 00:00 52k 1,426k +38.70 d2-d4 Rh8-h6
12- 00:00 54k 1,443k +38.61 d2-d4 Rh8-h6
12- 00:00 65k 1,605k +36.81 d2-d4 Rh8-h6
12 00:00 66k 1,624k +36.64 d2-d4 Rh8-h6 Qd1-d3 Rh6-a6 Qd3-e4+ Ke8-f8 Bc1-h6+ Ra6xh6 Qe4xa8+ Kf8-f7 Qa8-b7+ Kf7-g8 Qb7-c8+ Kg8-g7 Qc8-d7+ Kg7-g8 Ng1-f3 Rh6-g6 e2-e4
13+ 00:00 98k 1,738k +37.25 d2-d4 Rh8-h6 Qd1-d3
13 00:00 99k 1,743k +37.25 d2-d4 Rh8-h6 Qd1-d3 Rh6-a6 Qd3-e4+ Ke8-f8 Bc1-h6+ Ra6xh6 Qe4xa8+ Kf8-f7 Qa8-a7+ Kf7-f6 Qa7-b8 Kf6-g6 Qb8-d6+ Kg6-g7 Qd6-c7+ Kg7-f8
14 00:00 124k 1,828k +37.25 d2-d4 Rh8-h6 Qd1-d3 Rh6-a6 Qd3-e4+ Ke8-f8 Bc1-h6+ Ra6xh6 Qe4xa8+ Kf8-f7 Qa8-a7+ Kf7-f6 Qa7-a6+ Kf6-g7 Qa6-b7+ Kg7-g8 Qb7-b8+ Kg8-g7 Qb8-c7+ Kg7-f8 Qc7-f4+ Kf8-g7 Qf4-e5+ Kg7-g8 Qe5-f5
15+ 00:00 129k 1,830k +37.32 d2-d4 Rh8-h6 Qd1-d3
15 00:00 131k 1,841k +38.77 d2-d4 Rh8-h6 Qd1-d3 Rh6-a6 Qd3-e4+ Ke8-f8 Bc1-h6+ Ra6xh6 Qe4xa8+ Kf8-f7 Qa8-a7+ Kf7-f6 Qa7-a6+ Kf6-g7 Qa6-b7+ Kg7-g8 Qb7-c8+ Kg8-g7 Qc8-d7+ Kg7-g8 Ng1-f3 Rh6-g6 Qd7-d8+ Kg8-g7
16- 00:00 583k 2,141k +38.70 d2-d4 Ra8-a7
16- 00:00 586k 2,144k +38.61 d2-d4 Ra8-a7
16- 00:00 652k 2,165k +38.33 d2-d4 Ra8-a7
16- 00:00 938k 2,219k +38.11 d2-d4 Rh8-h6
16 00:00 1,337k 2,218k +38.87 d2-d4 Rh8-h6 Qd1-d3 Rh6-a6 Qd3-h7 Ra6-a7 Qh7-f5 Ra7-a6 Qf5-h5+ Ke8-f8 Bc1-h6+ Kf8-e7 Qh5-g5+ Ke7-e6 Qg5-e5+ Ke6-d7 Qe5-g7+ Kd7-c8 Qg7-g8+ Kc8-d7 Qg8-f7+ Kd7-d8 Bh6-g5+ Kd8-c8 Qf7-e8+ Kc8-b7 Qe8-d7+ Kb7-b6
17+ 00:00 1,750k 2,232k +38.94 d2-d4 Rh8-h6 Qd1-d3
17 00:00 1,776k 2,238k +38.88 d2-d4 Rh8-h6 Qd1-d3 Rh6-a6 Qd3-h7 Ra6-a7 Qh7-f5 Ra7-a6 Qf5-h5+ Ke8-f8 Bc1-h6+ Kf8-e7 Qh5-g5+ Ke7-d7 Qg5-g7+ Kd7-c6 d4-d5+ Kc6xd5 e2-e4+ Kd5-c6 Qg7-g6+ Kc6-c7 Bf1xa6 Ra8-d8 Bh6-f4+ Kc7-d7
18+ 00:00 1,900k 2,246k +38.95 d2-d4 Rh8-h6 Qd1-d3
18- 00:01 2,819k 2,383k +38.88 d2-d4 Rh8-h6
18 00:01 3,165k 2,382k +38.89 d2-d4 Rh8-h6 Qd1-d3 Rh6-a6 Qd3-e4+ Ke8-f8 Bc1-h6+ Ra6xh6 Qe4xa8+ Kf8-g7 Qa8-b7+ Kg7-g8 Qb7-c8+ Kg8-g7 Qc8-d7+ Kg7-g8 Qd7-e8+ Kg8-h7 Qe8-e7+ Kh7-h8 Qe7-d8+ Kh8-g7 Qd8-c7+ Kg7-f8 Qc7-b8+ Kf8-g7 Qb8-e5+ Kg7-h7
19+ 00:01 3,462k 2,363k +38.96 d2-d4 Rh8-h6 Qd1-d3
19 00:01 4,364k 2,404k +38.96 d2-d4 Ra8-a7 Qd1-d3 Rh8-g8 Qd3-b5+ Ke8-f7 Qb5-f5+ Kf7-g7 Bc1-f4 Ra7-a6 Bf4-e5+ Kg7-h6 Qf5-h3+ Kh6-g6 Qh3-d3+ Kg6-f7 Qd3xa6 Rg8-g6 Qa6-b7+ Kf7-e8 Qb7-c8+ Ke8-e7 Ng1-f3 Rg6-h6 Be5-d6+ Rh6xd6 Qc8-c7+ Rd6-d7
20+ 00:01 4,653k 2,390k +39.03 d2-d4 Ra8-a7 Qd1-d3
20 00:02 6,549k 2,389k +39.50 d2-d4 Ra8-a7 Qd1-d3 Rh8-f8 Qd3-g6+ Rf8-f7 Qg6-g8+ Rf7-f8 Qg8-e6+ Ra7-e7 Qe6-c6+ Ke8-f7 Bc1-g5 Re7-e8 Qc6-f6+ Kf7-g8 Qf6-g6+ Kg8-h8 Qg6-h5+ Kh8-g8 Bg5-h6 Re8-e7 Qh5-g6+ Kg8-h8 Bh6xf8 Re7-b7 Qg6-h5+ Kh8-g8
21+ 00:02 6,932k 2,389k +39.57 d2-d4 Ra8-a7 Qd1-d3
21 00:05 13,403k 2,554k +41.19 d2-d4 Rh8-h5 Qd1-d3 Rh5-a5 Qd3-g6+ Ke8-d7 Qg6-f7+ Kd7-d8 Bc1-d2 Ra8-a7 Bd2xa5+ Ra7xa5 Qf7-f6+ Kd8-d7 Ng1-f3 Kd7-c7 Qf6-e7+ Kc7-c8 Qe7-e6+ Kc8-c7 Nb1-c3 Kc7-b7 Qe6-d7+ Kb7-a6 e2-e4+ Ka6-b6
22+ 00:07 18,157k 2,573k +41.26 d2-d4 Rh8-h5 Qd1-d3
22- 00:07 20,363k 2,588k +41.19 d2-d4 Rh8-h5
22- 00:14 39,920k 2,662k +41.07 d2-d4 Ra8-a5
22 00:45 122,090k 2,666k +44.89 d2-d4 Ra8-a5 Qd1-d3 Ke8-d8 Qd3-g6 Rh8-h5 Qg6-d6+ Kd8-e8 Ng1-f3 Ke8-f7 Qd6-d7+ Kf7-g8 e2-e4 Ra5-a4 Qd7xa4 Kg8-g7 Qa4-d7+ Kg7-h8 Qd7-d8+ Kh8-g7 Qd8-e7+ Kg7-g6 Nf3-e5+ Rh5xe5 Qe7xe5
23+ 00:49 131,119k 2,660k +44.96 d2-d4 Ra8-a5 Qd1-d3
23- 00:51 138,608k 2,684k +44.89 d2-d4 Ra8-a5
23 01:12 198,996k 2,761k +48.51 d2-d4 Ra8-a5 Qd1-d3 Ke8-d8 Qd3-g6 Ra5-h5 Bc1-g5+ Kd8-d7 Qg6-f5+ Kd7-c6 Qf5-e6+ Kc6-c7 Qe6-e7+ Kc7-c8 Qe7-c5+ Kc8-b7 Qc5-d5+ Kb7-c7 Bg5-f4+ Kc7-c8 Qd5-d6 Rh8-h7 Ng1-f3 Rh5-f5 Qd6-e6+ Kc8-b7 Qe6xf5 Rh7-h8 e2-e3 Rh8-h6 Qf5-d7+ Kb7-a8 Qd7-c8+ Ka8-a7 Bf4xh6
24+ 01:13 202,459k 2,763k +48.58 d2-d4 Ra8-a5 Qd1-d3
24 01:40 290,487k 2,879k +250.00 d2-d4 Ra8-a5 Qd1-d3 Ke8-d8 Qd3-g6 Ra5-h5 Bc1-g5+ Kd8-c7 Bg5-f4+ Kc7-d7 e2-e4 Rh8-f8 Qg6-g7+ Kd7-e8 Bf4-d6 Rf8-f7 Qg7-g8+ Ke8-d7 Qg8xf7+ Kd7xd6 Qf7xh5 Kd6-c7 Qh5-c5+ Kc7-b7 Qc5-e7+ Kb7-a8 Qe7-f8+ Ka8-a7 Qf8-c8
25+ 01:42 293,933k 2,878k +250.00 d2-d4 Ra8-a5 Qd1-d3
25 02:56 530,850k 3,009k +250.00 d2-d4 Ra8-a5 Qd1-d3 Ke8-d7 Ng1-f3 Rh8-h5 Nf3-e5+ Kd7-d8 Ne5-c6+ Kd8-c8 Nc6xa5 Rh5xa5 Qd3-g6 Kc8-d7 Qg6-g4+ Kd7-e8 Qg4-e6+ Ke8-d8 Qe6-b6+ Kd8-e7 Qb6xa5 Ke7-f6 Bc1-g5+ Kf6-g6 Qa5-b6+ Kg6-h7 Qb6-c7+ Kh7-g6 Qc7-c6+ Kg6-h7 Qc6-d7+ Kh7-g6 Qd7-e6+ Kg6-g7
26+ 03:01 547,554k 3,009k +250.00 d2-d4 Ra8-a5 Qd1-d3
26 08:48 1,654,908k 3,129k +M17 d2-d4 Ra8-a6 Qd1-d3 Ra6-f6 Bc1-g5 Rf6-f7 Qd3-a6 Ke8-f8 Bg5-h6+ Rh8xh6 Qa6xh6+ Kf8-e8 Ng1-f3 Rf7-e7 Qh6-g6+ Ke8-d7 Nf3-e5+ Kd7-c7 Qg6-c6+ Kc7-b8 Ne5-d7+ Re7xd7 Qc6xd7 Kb8-a8 Qd7-h7 Ka8-b8 e2-e4 Kb8-a8 Qh7-e7 Ka8-b8
cc2150dx
Posts: 404
Joined: Sat Nov 30, 2013 9:51 am
Location: Canada
Full name: Jason Coombs

Re: Is it mate in 11 and is e4 the only solution?

Post by cc2150dx »

It's mate in 15 or less (maybe with more think time)

Code: Select all

FEN: r3k2r/8/8/8/8/2P5/PP1PPPPP/RNBQKBNR b KQ - 0 1

Stockfish_14.1_win_x64_avx2:
NNUE evaluation using nn-13406b1dcbe0.nnue enabled
 1/1	00:00	 20	20k	+31.07	c2-c3
 2/2	00:00	 43	43k	+34.30	c2-c3 Ra8-a3 Nb1xa3
 3/4	00:00	 73	73k	+96.27	c2-c3 Ra8-a3 b2xa3 Rh8-h3
 4/4	00:00	 140	140k	+34.46	c2-c3 Ra8-a5 c3-c4 Rh8-h3 Ng1xh3
 5/5	00:00	 1k	580k	+31.69	Nb1-c3 Ke8-f7 e2-e3 Ra8-a5 f2-f3
 6/6	00:00	 4k	1,453k	+31.29	Nb1-c3 Ke8-f7 e2-e3 Ra8-a5 f2-f3 Ra5-f5
 7/7	00:00	 6k	1,844k	+31.61	Nb1-c3 Ke8-f7 e2-e3 Ra8-d8 f2-f3
 8/9	00:00	 43k	2,660k	+31.14	c2-c3 Ke8-e7 d2-d3 Ra8-a5 Nb1-d2 Ke7-f7 g2-g3 Rh8-f8
 9/10	00:00	 101k	2,888k	+31.22	c2-c3 Ke8-e7 d2-d3 Ke7-e6 Nb1-d2 Ke6-f7 g2-g3 Kf7-g8
 10/11	00:00	 198k	2,911k	+31.53	c2-c3 Rh8-h5 e2-e3 Rh5-h6 g2-g3 Ra8-a5 d2-d4
 11/13	00:00	 490k	2,933k	+31.37	c2-c3 Ke8-d7 Qd1-b3 Kd7-c8 e2-e4 Kc8-d7 Ng1-e2 Rh8-b8 Qb3-d5+ Kd7-c7
 12/13	00:00	 535k	2,921k	+31.46	c2-c3 Ra8-b8 e2-e3 Rh8-h7 Qd1-g4 Rh7-b7 b2-b4 Rb7-a7 d2-d4
 13/14	00:00	 638k	2,886k	+31.56	c2-c3 Ra8-b8 e2-e3 Ke8-d7 Qd1-g4+ Kd7-c7 d2-d4 Kc7-b6 Ng1-e2 Kb6-a6
 14/15	00:00	 895k	2,825k	+31.83	c2-c3 Ke8-e7 d2-d4 Ra8-f8 e2-e4 Rf8-b8 Nb1-d2 Rb8-b7 Ng1-e2 Ke7-d7 h2-h3 Rb7-b6
 15/17	00:00	 1,465k	2,833k	+31.84	c2-c3 Ke8-e7 d2-d4 Ra8-f8 e2-e4 Rh8-h7 f2-f3 Ke7-d7 Ng1-e2 Rf8-f7 Nb1-d2 Kd7-c7 g2-g3 Kc7-b8 a2-a3 Rf7-c7 e4-e5
 16/20	00:00	 2,530k	2,842k	+31.84	c2-c3 Ke8-e7 d2-d4 Ke7-d7 e2-e4 Rh8-e8 Nb1-d2 Kd7-c7 Ng1-e2 Ra8-b8 b2-b4 Rb8-b7 e4-e5 Kc7-b8 a2-a4
 17/21+	00:03	 8,807k	2,860k	+32.72	c2-c3
 17/21	00:03	 9,636k	2,849k	+32.74	c2-c3 Ra8-d8 e2-e3 Ke8-d7 Qd1-b3 Kd7-c8 Qb3-e6+ Kc8-b8 Qe6-b6+ Kb8-c8 Bf1-a6+ Kc8-d7
 18/19+	00:03	 10,899k	2,838k	+32.82	c2-c3
 18/19+	00:04	 12,538k	2,831k	+32.90	c2-c3
 18/20+	00:04	 14,010k	2,823k	+33.03	c2-c3
 18/20	00:05	 14,612k	2,820k	+33.04	c2-c3 Ke8-d7 Qd1-b3 Kd7-c7 Qb3-c4+ Kc7-b8 Qc4-b5+ Kb8-c8 Qb5-c6+ Kc8-b8 Qc6xa8+ Kb8xa8 f2-f3 Rh8-h7 e2-e4 Ka8-b7 d2-d4
 19/21+	00:05	 16,134k	2,818k	+33.12	c2-c3
 19/22	00:05	 16,793k	2,818k	+33.15	c2-c3 Ke8-e7 e2-e3 Ra8-b8 d2-d4 Rh8-d8 Qd1-b3 Rb8xb3 a2xb3 Ke7-f7 e3-e4 Rd8-e8 Nb1-d2 Re8-b8 Ng1-f3 Rb8-b6
 20/24+	00:06	 18,924k	2,817k	+33.23	c2-c3
 20/24	00:07	 20,111k	2,817k	+33.27	c2-c3 Ke8-e7 e2-e3 Ra8-b8 d2-d4 Rh8-d8 Qd1-b3 Rb8xb3 a2xb3 Ke7-f7 e3-e4 Rd8-e8 Nb1-d2 Re8-b8 b3-b4 Kf7-g6 e4-e5
 21/17	00:07	 21,569k	2,817k	+33.27	c2-c3 Ke8-e7 e2-e3 Ra8-b8 d2-d4 Rh8-d8 Qd1-b3 Rb8xb3 a2xb3 Ke7-f7 Nb1-d2 Kf7-g7 b3-b4 Rd8-e8 e3-e4 Re8-f8 h2-h4
 22/19	00:09	 25,864k	2,816k	+33.30	c2-c3 Ke8-e7 e2-e3 Ra8-b8 d2-d4 Rh8-d8 Qd1-b3 Rb8xb3 a2xb3 Ke7-f7 Nb1-d2 Kf7-g7 b3-b4 Rd8-e8 e3-e4 Re8-f8 Ng1-e2 Kg7-g6
 23/20+	00:11	 32,260k	2,815k	+33.38	c2-c3
 23/23+	00:12	 36,387k	2,814k	+33.47	c2-c3
 23/23	00:13	 37,326k	2,813k	+33.48	c2-c3 Ke8-e7 Qd1-b3 Ke7-f6 Qb3-b6+ Kf6-g7 Qb6-b7+ Kg7-g6 Qb7xa8 Rh8xa8 a2-a4 Ra8-f8 b2-b4 Rf8-e8 e2-e3 Re8-e7
 24/18+	00:14	 41,261k	2,808k	+33.56	c2-c3
 24/24	00:16	 46,689k	2,808k	+33.58	c2-c3 Rh8-h7 Qd1-b3 Ke8-f8 Qb3-b4+ Rh7-e7 Qb4xe7+ Kf8xe7 a2-a4 Ke7-d8 d2-d4 Ra8-a7 e2-e4 Kd8-d7 b2-b4 Kd7-c6 Nb1-d2 Ra7-c7 Ng1-e2 Kc6-d7 f2-f3
 25/22+	00:18	 52,541k	2,804k	+33.66	c2-c3
 25/22+	00:19	 54,872k	2,801k	+33.74	c2-c3
 25/22	00:20	 56,652k	2,798k	+33.76	c2-c3 Rh8-h6 e2-e4 Ra8-b8 Qd1-g4 Rb8-b6 Qg4-c8+ Ke8-e7 Qc8-c7+ Ke7-e8 d2-d4 Rh6-g6 Bf1-c4 Rb6-f6 Qc7-c8+ Ke8-e7 Qc8-b7+ Ke7-f8
 26/16+	00:21	 59,254k	2,792k	+33.85	c2-c3
 26/19+	00:21	 61,054k	2,789k	+33.93	c2-c3
 26/20	00:22	 63,382k	2,785k	+34.00	c2-c3 Rh8-h7 Qd1-b3 Ke8-f8 d2-d4 Ra8-e8 Qb3-d5 Rh7-f7 Bc1-h6+ Kf8-g8 Qd5-g5+ Kg8-h7 Qg5-h5 Re8xe2+ Ng1xe2 Kh7-h8 Bh6-f4+ Kh8-g8 Qh5-g6+ Rf7-g7
 27/26+	00:23	 66,145k	2,780k	+34.08	c2-c3
 27/26+	00:24	 68,237k	2,776k	+34.16	c2-c3
 27/26+	00:28	 79,812k	2,761k	+34.71	c2-c3
 27/26	00:29	 81,276k	2,758k	+34.76	c2-c3 Ra8-a6 d2-d4 Rh8-h4 Qd1-b3 Ra6-g6 e2-e3 Rh4-g4 Qb3-b7 Rg4-g5 e3-e4 Rg5-g4 e4-e5 Ke8-f8 Bf1-c4 Rg6-g7 Qb7-c8+ Kf8-e7
 28/28+	00:30	 84,461k	2,754k	+34.85	c2-c3
 28/28+	00:31	 87,543k	2,749k	+34.93	c2-c3
 28/28+	00:33	 90,971k	2,743k	+47.06	c2-c3
 28/28	00:33	 91,008k	2,743k	+47.06	c2-c3 Ke8-e7 d2-d4 Ra8-a7 Qd1-b3 Rh8-h5 e2-e4 Rh5-a5 Qb3-b6 Ke7-f7 e4-e5 Kf7-e8 Bc1-g5 Ke8-d7 b2-b4
 29/22+	00:35	 96,919k	2,735k	+47.14	c2-c3
 29/22+	00:35	 97,665k	2,734k	+47.23	c2-c3
 29/22+	00:35	 97,939k	2,734k	+48.53	c2-c3
 29/22-	00:35	 98,186k	2,733k	+45.54	c2-c3 Rh8-h7
 29/22+	00:36	 99,008k	2,733k	+48.04	c2-c3
 29/28+	00:36	 101,075k	2,732k	+71.72	c2-c3
 29/28-	00:37	 101,513k	2,731k	+39.90	c2-c3 Rh8-h6
 29/32+	00:37	 102,426k	2,731k	+59.77	c2-c3
 29/37+	00:47	 128,037k	2,705k	+85.18	c2-c3
 29/37	00:50	 136,204k	2,701k	+87.65	c2-c3 Rh8-h6 e2-e4 Ra8-b8 Qd1-g4 Rb8-b6 Qg4-c8+ Ke8-e7 Qc8-c7+ Ke7-e8 Bf1-c4 Rh6-f6 d2-d4 Rf6-c6 Qc7xc6+ Rb6xc6 Bc4-b5 Ke8-e7 Bb5xc6 Ke7-d6 a2-a4 Kd6xc6 Bc1-f4 Kc6-b7 a4-a5 Kb7-c8 a5-a6 Kc8-d8 a6-a7
 30/33+	00:51	 138,045k	2,702k	+87.74	c2-c3
 30/33+	00:51	 138,970k	2,702k	+87.82	c2-c3
 30/33+	01:00	 162,788k	2,694k	+90.41	c2-c3
 30/33	01:02	 166,929k	2,692k	+90.47	c2-c3 Rh8-h6 e2-e4 Ra8-b8 d2-d4 Rh6-g6 Qd1-h5 Rb8-b6 Bf1-c4 Rb6-f6 Bc1-f4 Rf6-c6 Qh5-e5+ Ke8-f8 Qe5-d5 Kf8-e7 Bf4-g5+ Rg6xg5 Qd5xc6 Rg5xg2 Qc6-b7+ Ke7-e8 Qb7-c8+ Ke8-e7
 31/34+	01:02	 169,468k	2,694k	+90.55	c2-c3
 31/34+	01:03	 172,331k	2,694k	+90.63	c2-c3
 31/34+	01:17	 209,194k	2,698k	+92.50	c2-c3
 31/34	01:19	 213,593k	2,700k	+92.52	c2-c3 Rh8-h6 e2-e4 Ra8-b8 Qd1-g4 Rb8-b6 d2-d4 Rh6-c6 Bf1-c4 Ke8-d8 Qg4-g8+ Kd8-d7 Bc1-g5 Kd7-c7 Bg5-f4+ Kc7-d7 Qg8-d5+ Rc6-d6 Bc4-b5+ Kd7-d8 Qd5-a8+ Kd8-c7 Bf4xd6+ Rb6xd6 Qa8-a7+ Kc7-d8 Qa7-b8+ Kd8-e7 Qb8-c7+ Ke7-f8 Qc7xd6+ Kf8-f7 Qd6-d7+ Kf7-g6
 32/41+	01:21	 220,476k	2,700k	+92.60	c2-c3
 32/41+	01:22	 223,445k	2,702k	+92.68	c2-c3
 32/41+	01:43	 280,779k	2,719k	+96.21	c2-c3
 32/41	01:48	 295,048k	2,725k	+96.65	c2-c3 Ke8-e7 d2-d4 Ra8-f8 Qd1-b3 Rh8-h5 Qb3-b7+ Ke7-f6 e2-e4 Rf8-f7 Qb7-c8 Rf7-e7 Qc8-d8 Rh5-h7 e4-e5+ Kf6-f5 Bf1-d3+ Kf5-e6 Bd3-c4+ Ke6-f5 Qd8-f8+ Rh7-f7 Bc4-d3+ Kf5-g4
 33/38+	01:49	 298,437k	2,728k	+96.74	c2-c3
 33/38+	01:51	 302,813k	2,726k	+96.82	c2-c3
 33/38+	02:10	 357,497k	2,731k	+100.40	c2-c3
 33/38-	02:11	 358,461k	2,731k	+94.53	c2-c3 Ra8-a6
 33/38+	02:11	 360,616k	2,732k	+99.08	c2-c3
 33/38+	02:36	 427,170k	2,727k	+152.65	c2-c3
 33/44	03:01	 496,642k	2,734k	+M22	c2-c3 Rh8-h6 Qd1-b3 Ra8-a6 e2-e4 Ra6-b6 Qb3-g8+ Ke8-d7 d2-d4 Rh6-e6 Qg8-h7+ Kd7-c8 Bc1-f4 Rb6-b7 Qh7-g8+ Kc8-d7 Qg8-f7+ Re6-e7 Qf7-f5+ Kd7-d8 Qf5-a5+ Re7-c7 Bf4-g5+ Kd8-c8 Qa5-a8+ Rb7-b8 Bf1-a6+ Rc7-b7 Ba6xb7+ Kc8-c7 Bg5-f4+ Kc7-d7 Bb7-c6+ Kd7-d8 Qa8xb8+ Kd8-e7 Qb8-e8+ Ke7-f6 Qe8-f8+ Kf6-g6 Qf8-g8+ Kg6-h5 Qg8-g5+
 34/48	03:24	 557,573k	2,731k	+M18	c2-c3 Rh8-h6 Qd1-b3 Ra8-a6 e2-e4 Ra6-b6 Qb3-g8+ Ke8-d7 d2-d4 Rh6-e6 Qg8-h7+ Re6-e7 Qh7-f5+ Kd7-c7 Qf5-c5+ Kc7-d7 Qc5xb6 Re7xe4+ Ng1-e2 Re4-e7 Bc1-g5 Re7-e6 Qb6-b7+ Kd7-e8 Qb7-c8+ Ke8-f7 Qc8-d7+ Kf7-g8 Qd7xe6+ Kg8-h8 Bg5-f6+ Kh8-h7 Ne2-f4 Kh7-h6 Qe6-h3+
 35/36	03:38	 596,824k	2,731k	+M17	c2-c3 Rh8-h6 Qd1-b3 Ra8-a6 Qb3-b8+ Ke8-e7 e2-e4 Ra6-c6 Bf1-b5 Rc6-e6 Qb8-b7+ Ke7-f8 d2-d4 Rh6-f6 Bb5-c4 Re6-c6 Bc1-g5 Rc6-e6 Bg5xf6 Re6xf6 Qb7-b8+ Kf8-g7 Qb8-g8+ Kg7-h6 Bc4-d3 Rf6-e6 e4-e5 Re6-f6 e5xf6 Kh6-h5 Qg8-g6+ Kh5-h4 g2-g3+
 36/44	03:52	 634,405k	2,731k	+M17	c2-c3 Rh8-h7 Qd1-b3 Ke8-f8 d2-d4 Ra8-e8 Qb3-d5 Rh7-f7 Qd5-d6+ Kf8-g7 Qd6-h6+ Kg7-g8 Qh6-g6+ Kg8-f8 Bc1-h6+ Kf8-e7 e2-e4 Re8-b8 Bh6-g5+ Ke7-f8 Qg6-h6+ Kf8-e8 Qh6-h8+ Rf7-f8 Qh8-e5+ Ke8-f7 Qe5-f6+ Kf7-g8 Bf1-c4+ Rf8-f7 Bc4xf7+ Kg8-h7 Qf6-h6+
 37/34	04:39	 764,780k	2,738k	+M15	c2-c3 Rh8-h7 e2-e4 Rh7-h4 Qd1-f3 Ra8-a5 d2-d4 Ke8-e7 Bf1-c4 Ke7-d7 Qf3-f7+ Kd7-c8 Qf7-e8+ Kc8-b7 Qe8-e7+ Kb7-c8 Qe7xh4 Ra5-a4 Bc4-d5 Ra4-a7 Qh4-h8+ Kc8-c7 Bc1-f4+ Kc7-b6 Qh8-f6+ Kb6-b5 Qf6-c6+ Kb5-a5 b2-b4+
 38/30	05:06	 841,549k	2,742k	+M15	c2-c3 Ra8-a7 Qd1-b3 Ke8-e7 d2-d4 Rh8-h5 e2-e4 Ra7-d7 Qb3-g8 Rd7-d6 Bf1-c4 Rd6-c6 Qg8-f7+ Ke7-d8 Qf7xh5 Rc6xc4 Qh5-d5+ Kd8-c8 Qd5xc4+ Kc8-b7 Bc1-f4 Kb7-b6 Qc4-c7+ Kb6-a6 Qc7-c6+ Ka6-a7 Qc6-b5 Ka7-a8 Qb5-a6+
 39/30	05:12	 855,972k	2,741k	+M15	c2-c3 Ra8-a7 Qd1-b3 Ke8-e7 d2-d4 Rh8-h5 e2-e4 Ra7-d7 Qb3-g8 Rd7-d6 Bf1-c4 Rd6-c6 Qg8-f7+ Ke7-d8 Qf7xh5 Rc6xc4 Qh5-d5+ Kd8-c8 Qd5xc4+ Kc8-b7 Qc4-f7+ Kb7-b6 d4-d5 Kb6-b5 Qf7-b7+ Kb5-c4 Qb7-a6+ Kc4-c5 b2-b4+
 40/30	05:33	 915,044k	2,741k	+M15	c2-c3 Ke8-f8 e2-e4 Ra8-a7 Bf1-c4 Ra7-c7 Qd1-f3+ Kf8-e7 Qf3-f7+ Ke7-d8 Qf7-f6+ Kd8-d7 Bc4-b5+ Kd7-c8 Qf6xh8+ Kc8-b7 Qh8-h6 Kb7-a8 d2-d4 Ka8-a7 Qh6-a6+ Ka7-b8 Qa6-b6+ Kb8-a8 Bc1-f4 Rc7-b7 Qb6-d8+ Ka8-a7 Qd8-a5+
 41/30	05:47	 954,249k	2,745k	+M15	c2-c3 Ke8-f8 e2-e4 Ra8-a7 Bf1-c4 Ra7-c7 Qd1-f3+ Kf8-e7 Qf3-f7+ Ke7-d8 Qf7-f6+ Kd8-d7 Bc4-b5+ Kd7-c8 Qf6xh8+ Kc8-b7 Qh8-h6 Kb7-a8 d2-d4 Ka8-a7 Qh6-a6+ Ka7-b8 Qa6-b6+ Kb8-a8 Bc1-f4 Rc7-b7 Qb6-d8+ Ka8-a7 Qd8-a5+
 42/30	05:54	 973,179k	2,746k	+M15	c2-c3 Ke8-f8 e2-e4 Ra8-a7 Bf1-c4 Ra7-c7 Qd1-f3+ Kf8-e7 Qf3-f7+ Ke7-d8 Qf7-f6+ Kd8-d7 Bc4-b5+ Kd7-c8 Qf6xh8+ Kc8-b7 Qh8-h6 Kb7-a8 d2-d4 Ka8-a7 Qh6-a6+ Ka7-b8 Qa6-b6+ Kb8-a8 Bc1-f4 Rc7-b7 Qb6-d8+ Ka8-a7 Qd8-a5+
 43/30	06:01	 993,592k	2,746k	+M15	c2-c3 Ke8-f8 e2-e4 Ra8-a7 Bf1-c4 Ra7-c7 Qd1-f3+ Kf8-e7 Qf3-f7+ Ke7-d8 Qf7-f6+ Kd8-d7 Bc4-b5+ Kd7-c8 Qf6xh8+ Kc8-b7 Qh8-h6 Kb7-a8 d2-d4 Ka8-a7 Qh6-a6+ Ka7-b8 Qa6-b6+ Kb8-a8 Bc1-f4 Rc7-b7 Qb6-d8+ Ka8-a7 Qd8-a5+
 44/30	06:12	 1,022,794k	2,746k	+M15	c2-c3 Ke8-f8 e2-e4 Ra8-a7 Bf1-c4 Ra7-c7 Qd1-f3+ Kf8-e7 Qf3-f7+ Ke7-d8 Qf7-f6+ Kd8-d7 Bc4-b5+ Kd7-c8 Qf6xh8+ Kc8-b7 Qh8-h6 Kb7-a8 d2-d4 Ka8-a7 Qh6-a6+ Ka7-b8 Qa6-b6+ Kb8-a8 Bc1-f4 Rc7-b7 Qb6-d8+ Ka8-a7 Qd8-a5+
 45/30	06:18	 1,039,255k	2,746k	+M15	c2-c3 Ke8-f8 e2-e4 Ra8-a7 Bf1-c4 Ra7-c7 Qd1-f3+ Kf8-e7 Qf3-f7+ Ke7-d8 Qf7-f6+ Kd8-d7 Bc4-b5+ Kd7-c8 Qf6xh8+ Kc8-b7 Qh8-h6 Kb7-a8 d2-d4 Ka8-a7 Qh6-a6+ Ka7-b8 Qa6-b6+ Kb8-a8 Bc1-f4 Rc7-b7 Qb6-d8+ Ka8-a7 Qd8-a5+
 46/30	06:27	 1,064,718k	2,747k	+M15	c2-c3 Ke8-f8 e2-e4 Ra8-a7 Bf1-c4 Ra7-c7 Qd1-f3+ Kf8-e7 Qf3-f7+ Ke7-d8 Qf7-f6+ Kd8-d7 Bc4-b5+ Kd7-c8 Qf6xh8+ Kc8-b7 Qh8-h6 Kb7-a8 d2-d4 Ka8-a7 Qh6-a6+ Ka7-b8 Qa6-b6+ Kb8-a8 Bc1-f4 Rc7-b7 Qb6-d8+ Ka8-a7 Qd8-a5+
 47/30	06:36	 1,088,768k	2,747k	+M15	c2-c3 Ke8-f8 e2-e4 Ra8-a7 Bf1-c4 Ra7-c7 Qd1-f3+ Kf8-e7 Qf3-f7+ Ke7-d8 Qf7-f6+ Kd8-d7 Bc4-b5+ Kd7-c8 Qf6xh8+ Kc8-b7 Qh8-h6 Kb7-a8 d2-d4 Ka8-a7 Qh6-a6+ Ka7-b8 Qa6-b6+ Kb8-a8 Bc1-f4 Rc7-b7 Qb6-d8+ Ka8-a7 Qd8-a5+
 48/30	06:54	 1,136,602k	2,745k	+M15	c2-c3 Ke8-f8 e2-e4 Ra8-a7 Bf1-c4 Ra7-c7 Qd1-f3+ Kf8-e7 Qf3-f7+ Ke7-d8 Qf7-f6+ Kd8-d7 Bc4-b5+ Kd7-c8 Qf6xh8+ Kc8-b7 Qh8-h6 Kb7-a8 d2-d4 Ka8-a7 Qh6-a6+ Ka7-b8 Qa6-b6+ Kb8-a8 Bc1-f4 Rc7-b7 Qb6-d8+ Ka8-a7 Qd8-a5+
 49/30	10:01	 1,641,276k	2,728k	+M15	c2-c3 Ke8-f8 e2-e4 Ra8-a7 Bf1-c4 Ra7-c7 Qd1-f3+ Kf8-e7 Qf3-f7+ Ke7-d8 Qf7-f6+ Kd8-d7 Bc4-b5+ Kd7-c8 Qf6xh8+ Kc8-b7 Qh8-h6 Kb7-a8 d2-d4 Ka8-a7 Qh6-a6+ Ka7-b8 Qa6-b6+ Kb8-a8 Bc1-f4 Rc7-b7 Qb6-d8+ Ka8-a7 Qd8-a5+

Ignacio
Posts: 178
Joined: Wed Mar 08, 2006 8:15 pm

Re: Is it mate in 11 and is e4 the only solution?

Post by Ignacio »

I have get mate in 13.

FEN: r3k2r/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1

Stockfish_9_x64_popcnt:
1/1 00:03 247 49.400 +33,32 Cb1-c3
2/2 00:03 2.319 386.500 +33,85 Cb1-c3 Ta8-b8
3/3 00:03 16.127 2.303.857 +33,82 Cg1-f3 Th8-h5 Cb1-c3 Re8-f8
4/4 00:03 17.101 2.443.000 +33,74 Cg1-f3 Re8-f7 Cb1-c3 Rf7-g7
5/5 00:03 19.610 2.801.428 +33,75 Cb1-c3 Re8-f7 Cg1-f3 Rf7-g7 Cc3-e4
6/7 00:03 35.882 5.126.000 +33,88 Cb1-c3 Re8-f7 Cg1-f3 Th8-e8 d2-d3 Rf7-g7
7/8 00:03 46.788 5.848.500 +33,90 Cb1-c3 Th8-f8 Cg1-f3 Re8-f7 Cc3-e4 Ta8-b8 d2-d3
8/8 00:03 68.260 8.532.500 +33,93 Cb1-c3 Ta8-b8 Cg1-f3 Re8-f7 e2-e3 Tb8-b4 Cf3-d4 Th8-d8
9/10 00:03 233.286 23.328.600 +33,96 Cb1-c3 Re8-f7 e2-e3 Ta8-c8 Cg1-f3 Tc8-c5 Cf3-d4 Th8-e8 Dd1-f3+ Rf7-g7
10/12 00:03 544.211 38.872.214 +34,12 Cb1-c3 Re8-d8 e2-e3 Ta8-a5 Cg1-f3 Ta5-h5 Cc3-e4 Rd8-c7 Af1-c4 Th5-h7
11/12 00:03 816.437 48.025.705 +34,18 Cb1-c3 Re8-d8 Cg1-f3 Rd8-c8 e2-e3 Ta8-a7 Af1-d3 Rc8-b8 O-O Ta7-e7 Cc3-d5
12/16 00:03 1.529.252 58.817.384 +34,28 Cb1-c3 Re8-d8 e2-e3 Rd8-c7 Cg1-f3 Th8-h5 Cf3-d4 Ta8-h8 Dd1-f3 Rc7-c8 Df3-g4+ Rc8-b7 Dg4-e4+ Rb7-b8 Cc3-d5
13/22 00:03 8.008.802 75.554.735 +35,40 e2-e3 Re8-e7 Cb1-c3 Ta8-a5 Dd1-g4 Th8-h5 Cg1-f3 Re7-e8 Af1-c4 Th5-c5 Dg4-e6+ Re8-d8 Cf3-d4 Tc5xc4 De6xc4
14/24 00:03 12.143.637 79.370.176 +37,68 e2-e3 Ta8-a7 Dd1-g4 Ta7-h7 Dg4-e6+ Re8-d8 De6-d6+ Rd8-e8 Af1-b5+ Re8-f7 Ab5-c4+ Rf7-e8 Cb1-c3 Th7-h6 Dd6-c7 Th6-h7 Ac4-b5+ Re8-f8 Dc7-d8+ Rf8-f7
15/31 00:03 26.963.092 82.708.871 +70,61 e2-e3 Re8-e7 Cb1-c3 Th8-g8 Dd1-f3 Tg8-f8 Df3-g4 Ta8-c8 Dg4-g7+ Re7-e6 Af1-c4+ Tc8xc4 Dg7xf8 Tc4-c7 Df8-g8+ Tc7-f7 Dg8xf7+ Re6xf7 Cc3-e4 Rf7-e6 Re1-e2 Re6-e7
16/28 00:03 28.762.776 82.889.844 +70,78 e2-e3 Re8-e7 Cb1-c3 Ta8-c8 Dd1-g4 Th8-g8 Dg4-e4+ Re7-f7 Af1-c4+ Tc8xc4 De4xc4+ Rf7-f8 Dc4xg8+ Rf8xg8 Re1-e2 Rg8-f7 Re2-d3 Rf7-e6 Rd3-e4 Re6-d6 Cg1-f3 Rd6-c5 Cf3-e5 Rc5-d6
17/26 00:03 28.986.838 83.056.842 +70,78 e2-e3 Re8-e7 Cb1-c3 Ta8-c8 Dd1-g4 Th8-g8 Dg4-e4+ Re7-f7 Af1-c4+ Tc8xc4 De4xc4+ Rf7-f8 Dc4xg8+ Rf8xg8 Re1-e2 Rg8-f7 Re2-d3 Rf7-e6 Rd3-e4 Re6-d6 Cg1-f3 Rd6-c5 Cf3-e5 Rc5-d6 Ce5-g6 Rd6-d7
18/30 00:03 40.044.637 83.080.159 +74,22 e2-e3 Re8-e7 Cb1-c3 Th8-e8 Dd1-g4 Ta8-c8 Af1-c4 Tc8-c6 Dg4-e4+ Re7-d7 De4xc6+ Rd7xc6 Ac4-b5+ Rc6-c7 Ab5xe8 Rc7-d6 Re1-e2 Rd6-c7 Ae8-h5 Rc7-d6 Re2-d3 Rd6-e5 Ah5-e8 Re5-f6 Ae8-a4
19/32 00:04 113.481.074 90.279.295 +84,66 e2-e3 Ta8-a5 Cb1-c3 Th8-h5 Dd1-g4 Re8-e7 Cg1-f3 Th5-f5 Cf3-d4 Tf5-g5 Dg4-e6+ Re7-f8 Cd4-c6 Rf8-g7 De6-e7+ Rg7-h6 De7-f6+ Tg5-g6 Df6-h8+ Rh6-g5 Cc3-e4+ Rg5-f5 Dh8-h5+ Rf5-e6 Dh5xg6+ Re6-d7 Dg6-d6+ Rd7-c8 Dd6-d8+ Rc8-b7 Cc6xa5+ Rb7-a7
20/40 00:04 147.452.685 92.737.537 +M28 e2-e3 Ta8-a5 Cb1-c3 Th8-g8 Dd1-f3 Tg8-g6 Af1-b5+ Ta5xb5 Cc3xb5 Re8-e7 Cb5-c3 Re7-e6 Cc3-d5 Re6-d6 Df3-f8+ Rd6xd5 Df8-f5+ Rd5-c6 Df5xg6+ Rc6-c7 Dg6-g7+ Rc7-b8 Dg7-g8+ Rb8-a7 Dg8-f7+ Ra7-b6 Df7-e6+ Rb6-c7 De6-e7+ Rc7-c8 De7-c5+ Rc8-b7 Dc5-b5+ Rb7-c8
21/36 00:04 157.639.912 93.278.054 +M23 e2-e3 Ta8-a5 Cb1-c3 Th8-g8 Dd1-f3 Tg8-g6 Af1-b5+ Ta5xb5 Cc3xb5 Tg6-h6 Cb5-c7+ Re8-d7 Df3-b7 Th6-h8 Cc7-b5+ Rd7-e6 Db7-g7 Th8-h4 Dg7-g6+ Re6-e7 Dg6-g5+ Re7-f7 Dg5xh4 Rf7-g6 Dh4-e4+ Rg6-g7 De4-b7+ Rg7-g8 Db7-c8+ Rg8-h7 Dc8-f5+ Rh7-g7 Df5-g5+ Rg7-h8
22/40 00:05 174.450.762 94.399.762 +M20 e2-e3 Ta8-a5 Cb1-c3 Th8-g8 Dd1-f3 Tg8-g5 Df3-c6+ Re8-f8 Dc6-f6+ Rf8-e8 Af1-b5+ Tg5xb5 Cc3xb5 Ta5-a4 Cb5-c7+ Re8-d7 Cc7-d5 Ta4-e4 Df6-f5+ Te4-e6 Df5-f7+ Rd7-d8 Df7-c7+ Rd8-e8 Dc7-c8+ Re8-f7 Dc8-d7+ Rf7-g8 Dd7xe6+ Rg8-g7 De6-e7+ Rg7-g6 Cd5-f4+ Rg6-h6 De7-f6+ Rh6-h7
23/38 00:05 186.494.148 94.859.688 +M19 e2-e3 Ta8-a5 Cb1-c3 Th8-g8 Dd1-f3 Tg8-g5 Df3-c6+ Re8-f8 Dc6-f6+ Rf8-e8 Af1-b5+ Tg5xb5 Cc3xb5 Re8-d7 Df6-d6+ Rd7-e8 Dd6-b8+ Re8-e7 Db8-c7+ Re7-f6 Dc7xa5 Rf6-e6 Da5-b6+ Re6-e7 Db6-c7+ Re7-e6 Cb5-d4+ Re6-f6 Dc7-h7 Rf6-e5 Dh7-e7+ Re5-d5 De7-e6+ Rd5-c5 De6-c6+ Rc5-b4
24/36 00:05 202.809.664 95.484.775 +M18 e2-e3 Ta8-a5 Cb1-c3 Th8-h4 Dd1-f3 Ta5-c5 Df3-a8+ Re8-d7 Da8-b7+ Rd7-e8 Af1-b5+ Re8-f8 Db7-b8+ Rf8-g7 Db8-g3+ Th4-g4 Dg3xg4+ Rg7-f7 Dg4-d7+ Rf7-g8 Cc3-d5 Tc5xb5 Dd7xb5 Rg8-g7 Db5-b7+ Rg7-g8 Db7-e7 Rg8-h8
25/36 00:05 239.216.919 96.536.286 +M17 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Ta5-e5 Cg1-f3 Te5-f5 Dg4-g8+ Tf5-f8 Dg8-e6+ Re8-d8 Cc3-d5 Th5xd5 De6xd5+ Rd8-e7 Dd5-e5+ Re7-d7 Af1-b5+ Rd7-c8 De5-c5+ Rc8-b7 Dc5xf8 Rb7-b6 Df8-d6+ Rb6-b7 Ab5-c6+ Rb7-a6 Ac6-d5+ Ra6-b5 a2-a4+ Rb5-a5 b2-b4+
26/34 00:06 289.306.362 96.985.035 +M17 e2-e3 Ta8-c8 Cb1-c3 Th8-h4 Dd1-f3 Tc8-c5 Df3-a8+ Re8-d7 Da8-b7+ Rd7-e8 Af1-b5+ Tc5xb5 Db7xb5+ Re8-f8 Db5-f5+ Rf8-e8 Df5-e6+ Re8-f8 Cc3-d5 Th4-h7 De6-c8+ Rf8-g7 Dc8-d7+ Rg7-h6 Dd7-e6+ Rh6-g7 De6-e7+ Rg7-h6 De7-f6+ Rh6-h5 Cd5-f4+ Rh5-g4 f2-f3+
27/40 00:06 321.332.765 96.991.477 +M16 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Th5-g5 Dg4-c8+ Re8-e7 Dc8-c7+ Re7-e8 Af1-b5+ Tg5xb5 Cc3xb5 Ta5xb5 Dc7-c6+ Re8-e7 Dc6xb5 Re7-d6 Db5-b6+ Rd6-e7 Cg1-f3 Re7-d7 Cf3-e5+ Rd7-e7 Db6-c6 Re7-f8 Dc6-d6+ Rf8-g8 Dd6-g6+ Rg8-f8 Dg6-f7+
28/32 00:06 321.561.832 97.002.060 +M16 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Th5-g5 Dg4-c8+ Re8-e7 Dc8-c7+ Re7-e8 Af1-b5+ Tg5xb5 Cc3xb5 Ta5xb5 Dc7-c6+ Re8-e7 Dc6xb5 Re7-d6 Db5-b6+ Rd6-e7 Cg1-f3 Re7-d7 Cf3-e5+ Rd7-e7 Db6-c6 Re7-f8 Dc6-d6+ Rf8-g8 Dd6-g6+ Rg8-f8 Dg6-f7+
29/32 00:06 321.675.497 97.007.085 +M16 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Th5-g5 Dg4-c8+ Re8-e7 Dc8-c7+ Re7-e8 Af1-b5+ Tg5xb5 Cc3xb5 Ta5xb5 Dc7-c6+ Re8-e7 Dc6xb5 Re7-d6 Db5-b6+ Rd6-e7 Cg1-f3 Re7-d7 Cf3-e5+ Rd7-e7 Db6-c6 Re7-f8 Dc6-d6+ Rf8-g8 Dd6-g6+ Rg8-f8 Dg6-f7+
30/32 00:06 322.950.251 96.952.942 +M16 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Th5-g5 Dg4-c8+ Re8-e7 Dc8-c7+ Re7-e8 Af1-b5+ Tg5xb5 Cc3xb5 Ta5xb5 Dc7-c6+ Re8-e7 Dc6xb5 Re7-d6 Db5-b6+ Rd6-e7 Cg1-f3 Re7-d7 Cf3-e5+ Rd7-e7 Db6-c6 Re7-f8 Dc6-d6+ Rf8-g8 Dd6-g6+ Rg8-f8 Dg6-f7+
31/32 00:06 346.109.513 96.786.776 +M16 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Ta5-g5 Dg4-e6+ Re8-d8 Af1-b5 Tg5xb5 Cc3xb5 Th5xb5 De6-d6+ Rd8-e8 Dd6-c6+ Re8-e7 Dc6xb5 Re7-d6 Db5-b6+ Rd6-e7 Cg1-f3 Re7-d7 Cf3-e5+ Rd7-e7 Db6-c6 Re7-f8 Dc6-d6+ Rf8-g8 Dd6-g6+ Rg8-f8 Dg6-f7+
32/30 00:07 366.464.752 96.845.864 +M15 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Th5-g5 Dg4-c8+ Re8-e7 Dc8-c7+ Re7-e8 Af1-c4 Tg5-f5 Cc3-e4 Re8-f8 Ce4-d6 Ta5-c5 Dc7-d8+ Rf8-g7 Dd8-g8+ Rg7-f6 Dg8-f7+ Rf6-g5 Df7-g7+ Rg5-h5 Ac4-e2+ Tf5-f3 Ae2xf3+ Rh5-h4 g2-g3+
33/30 00:07 369.711.670 96.884.609 +M15 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Af1-c4 Th5-c5 Dg4-e6 Tc5xc4 De6xc4 Ta5-a8 Dc4-d4 Ta8-a6 Dd4-b4+ Rf8-e8 Db4-b5+ Ta6-c6 Db5xc6+ Re8-e7 Cc3-d5+ Re7-f8 Dc6-f6+ Rf8-g8 Cd5-e7+ Rg8-h7 Df6-g6+ Rh7-h8 Dg6-h6+
34/30 00:07 375.347.111 96.863.770 +M15 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Af1-c4 Th5-c5 Dg4-e6 Tc5xc4 De6xc4 Ta5-a8 Dc4-d4 Ta8-a6 Dd4-b4+ Rf8-e8 Db4-b5+ Ta6-c6 Db5xc6+ Re8-e7 Cc3-d5+ Re7-f8 Dc6-f6+ Rf8-g8 Cd5-e7+ Rg8-h7 Df6-g6+ Rh7-h8 Dg6-h6+
35/30 00:07 387.022.303 96.852.428 +M15 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Af1-c4 Th5-c5 Dg4-e6 Tc5xc4 De6xc4 Ta5-a8 Dc4-d4 Ta8-a6 Dd4-b4+ Rf8-e8 Db4-b5+ Ta6-c6 Db5xc6+ Re8-e7 Cc3-d5+ Re7-f8 Dc6-f6+ Rf8-g8 Cd5-e7+ Rg8-h7 Df6-g6+ Rh7-h8 Dg6-h6+
36/38 00:08 466.849.859 96.337.156 +M15 e2-e3 Ta8-a5 Dd1-g4 Ta5-h5 Cb1-c3 Th8-h6 Af1-b5+ Th5xb5 Dg4-g8+ Re8-e7 Dg8-g7+ Re7-e8 Cc3xb5 Th6-b6 Dg7-e5+ Re8-f7 De5-c7+ Rf7-g6 Dc7xb6+ Rg6-g7 Cb5-d4 Rg7-f8 Cd4-f5 Rf8-e8 Db6-b7 Re8-d8 b2-b4 Rd8-e8 Db7-e7+
37/34 00:10 697.738.271 96.266.317 +M14 e2-e3 Ta8-a5 Dd1-g4 Ta5-h5 Cb1-c3 Th8-h7 Dg4-g8+ Re8-d7 Af1-e2 Rd7-e7 Ae2xh5 Th7xh5 Cc3-d5+ Re7-d6 Dg8-d8+ Rd6-c6 Dd8-f6+ Rc6-d7 Df6-e7+ Rd7-c6 De7-e6+ Rc6-c5 d2-d4+ Rc5-b5 De6-b6+ Rb5-a4 b2-b3+
38/28 00:10 698.335.903 96.269.079 +M14 e2-e3 Ta8-a5 Dd1-g4 Ta5-h5 Cb1-c3 Re8-d8 Dg4-d4+ Rd8-e7 Cc3-d5+ Th5xd5 Dd4xd5 Th8-c8 Dd5-e5+ Re7-f7 De5-f5+ Rf7-e8 Df5xc8+ Re8-e7 Dc8-c6 Re7-d8 b2-b4 Rd8-e7 Ac1-b2 Re7-f7 Dc6-f6+ Rf7-g8 Df6-g7+
39/28 00:10 699.017.060 96.270.081 +M14 e2-e3 Ta8-a5 Dd1-g4 Ta5-h5 Cb1-c3 Re8-d8 Dg4-d4+ Rd8-e7 Cc3-d5+ Th5xd5 Dd4xd5 Th8-c8 Dd5-e5+ Re7-f7 De5-f5+ Rf7-e8 Df5xc8+ Re8-e7 Dc8-c6 Re7-d8 b2-b4 Rd8-e7 Ac1-b2 Re7-f7 Dc6-f6+ Rf7-g8 Df6-g7+
40/28 00:10 699.747.788 96.264.656 +M14 e2-e3 Ta8-a5 Dd1-g4 Ta5-h5 Cb1-c3 Re8-d8 Dg4-d4+ Rd8-e7 Cc3-d5+ Th5xd5 Dd4xd5 Th8-c8 Dd5-e5+ Re7-f7 De5-f5+ Rf7-e8 Df5xc8+ Re8-e7 Dc8-c6 Re7-d8 b2-b4 Rd8-e7 Ac1-b2 Re7-f7 Dc6-f6+ Rf7-g8 Df6-g7+
41/28 00:10 700.720.569 96.252.825 +M14 e2-e3 Ta8-a5 Dd1-g4 Ta5-h5 Cb1-c3 Re8-d8 Dg4-d4+ Rd8-e7 Cc3-d5+ Th5xd5 Dd4xd5 Th8-c8 Dd5-e5+ Re7-f7 De5-f5+ Rf7-e8 Df5xc8+ Re8-e7 Dc8-c6 Re7-d8 b2-b4 Rd8-e7 Ac1-b2 Re7-f7 Dc6-f6+ Rf7-g8 Df6-g7+
42/28 00:10 703.020.341 96.251.415 +M14 e2-e3 Ta8-a5 Dd1-g4 Ta5-h5 Cb1-c3 Re8-d8 Dg4-d4+ Rd8-e7 Cc3-d5+ Th5xd5 Dd4xd5 Th8-c8 Dd5-e5+ Re7-f7 De5-f5+ Rf7-e8 Df5xc8+ Re8-e7 Dc8-c6 Re7-d8 b2-b4 Rd8-e7 Ac1-b2 Re7-f7 Dc6-f6+ Rf7-g8 Df6-g7+
43/28 00:10 746.419.158 96.175.642 +M14 e2-e3 Ta8-a5 Dd1-g4 Ta5-h5 Cb1-c3 Re8-d8 Dg4-d4+ Rd8-e7 Cc3-d5+ Th5xd5 Dd4xd5 Th8-c8 Dd5-e5+ Re7-f7 De5-f5+ Rf7-e8 Df5xc8+ Re8-e7 Dc8-c6 Re7-d8 b2-b4 Rd8-e7 Ac1-b2 Re7-f7 Dc6-f6+ Rf7-g8 Df6-g7+
44/38 00:13 945.229.265 96.108.720 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
45/28 00:13 1.028.042.216 96.105.657 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
46/28 00:14 1.051.273.252 96.103.231 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
47/28 00:14 1.060.425.811 96.096.584 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
48/28 00:14 1.121.400.411 96.109.051 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
49/28 00:15 1.200.292.119 96.184.960 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
50/28 00:16 1.261.437.976 96.256.236 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
51/28 00:16 1.317.328.355 96.260.749 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
52/28 00:17 1.390.736.315 96.304.709 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
53/28 00:18 1.456.868.749 96.417.521 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
54/28 00:19 1.582.888.781 96.558.822 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Re8-f8 Dg4-c8+ Rf8-e7 Dc8-c7+ Re7-e8 Cc3-e4 Th5-h6 Dc7xa5 Th6-e6 Af1-b5+ Re8-e7 Da5-c7+ Re7-f8 Ab5-c4 Te6-e7 Dc7-d8+ Rf8-g7 Dd8xe7+ Rg7-g6 De7-f6+ Rg6-h5 Ac4-e2+
55/28 00:35 3.181.117.385 97.299.730 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Th5-g5 Dg4-c8+ Re8-e7 Dc8-c7+ Re7-e8 Af1-c4 Tg5-e5 Cg1-f3 Te5-c5 Dc7-f7+ Re8-d8 Ac4-e6 Ta5-a7 Df7-f8+ Rd8-c7 Df8xc5+ Rc7-b7 Dc5-b5+ Rb7-c7 Cc3-d5+ Rc7-d6 Db5-b6+
56/28 00:36 3.241.235.907 97.337.334 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Th5-g5 Dg4-c8+ Re8-e7 Dc8-c7+ Re7-e8 Af1-c4 Tg5-e5 Cg1-f3 Te5-c5 Dc7-f7+ Re8-d8 Ac4-e6 Ta5-a7 Df7-f8+ Rd8-c7 Df8xc5+ Rc7-b7 Dc5-b5+ Rb7-c7 Cc3-d5+ Rc7-d6 Db5-b6+
57/28 00:37 3.363.462.170 97.387.212 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Th5-g5 Dg4-c8+ Re8-e7 Dc8-c7+ Re7-e8 Af1-c4 Tg5-e5 Cg1-f3 Te5-c5 Dc7-f7+ Re8-d8 Ac4-e6 Ta5-a7 Df7-f8+ Rd8-c7 Df8xc5+ Rc7-b7 Dc5-b5+ Rb7-c7 Cc3-d5+ Rc7-d6 Db5-b6+
58/28 00:41 3.684.334.198 97.531.083 +M14 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cb1-c3 Th5-g5 Dg4-c8+ Re8-e7 Dc8-c7+ Re7-e8 Af1-c4 Tg5-e5 Cg1-f3 Te5-c5 Dc7-f7+ Re8-d8 Ac4-e6 Ta5-a7 Df7-f8+ Rd8-c7 Df8xc5+ Rc7-b7 Dc5-b5+ Rb7-c7 Cc3-d5+ Rc7-d6 Db5-b6+
59/28 01:01 5.705.239.212 98.629.772 +M13 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cg1-f3 Re8-e7 Cb1-c3 Ta5-c5 Cc3-e4 Tc5-d5 Dg4-g7+ Re7-d8 Cf3-d4 Td5xd4 e3xd4 Rd8-c8 Ce4-c5 Th5-d5 Dg7-e7 Td5-d6 Af1-a6+ Td6xa6 De7-d7+ Rc8-b8 Dd7-b7+
60/26 01:01 5.786.024.864 98.633.269 +M13 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cg1-f3 Re8-e7 Cb1-c3 Ta5-c5 Cc3-e4 Tc5-d5 Dg4-g7+ Re7-d8 Cf3-d4 Td5xd4 e3xd4 Rd8-c8 Ce4-c5 Th5-d5 Dg7-e7 Td5-d6 Af1-a6+ Td6xa6 De7-d7+ Rc8-b8 Dd7-b7+
61/26 01:03 5.943.635.232 98.680.666 +M13 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cg1-f3 Re8-e7 Cb1-c3 Ta5-c5 Cc3-e4 Tc5-d5 Dg4-g7+ Re7-d8 Cf3-d4 Td5xd4 e3xd4 Rd8-c8 Ce4-c5 Th5-d5 Dg7-e7 Td5-d6 Af1-a6+ Td6xa6 De7-d7+ Rc8-b8 Dd7-b7+
62/26 01:04 6.081.191.175 98.675.783 +M13 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cg1-f3 Re8-e7 Cb1-c3 Ta5-c5 Cc3-e4 Tc5-d5 Dg4-g7+ Re7-d8 Cf3-d4 Td5xd4 e3xd4 Rd8-c8 Ce4-c5 Th5-d5 Dg7-e7 Td5-d6 Af1-a6+ Td6xa6 De7-d7+ Rc8-b8 Dd7-b7+
63/26 01:08 6.394.473.712 98.696.903 +M13 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cg1-f3 Re8-e7 Cb1-c3 Ta5-c5 Cc3-e4 Tc5-d5 Dg4-g7+ Re7-d8 Cf3-d4 Td5xd4 e3xd4 Rd8-c8 Ce4-c5 Th5-d5 Dg7-e7 Td5-d6 Af1-a6+ Td6xa6 De7-d7+ Rc8-b8 Dd7-b7+
64/26 01:13 6.927.889.374 98.744.147 +M13 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cg1-f3 Re8-e7 Cb1-c3 Ta5-c5 Cc3-e4 Tc5-d5 Dg4-g7+ Re7-d8 Cf3-d4 Td5xd4 e3xd4 Rd8-c8 Ce4-c5 Th5-d5 Dg7-e7 Td5-d6 Af1-a6+ Td6xa6 De7-d7+ Rc8-b8 Dd7-b7+
65/26 01:17 7.347.582.499 98.739.249 +M13 e2-e3 Ta8-a5 Dd1-g4 Th8-h5 Cg1-f3 Re8-e7 Cb1-c3 Ta5-c5 Cc3-e4 Tc5-d5 Dg4-g7+ Re7-d8 Cf3-d4 Td5xd4 e3xd4 Rd8-c8 Ce4-c5 Th5-d5 Dg7-e7 Td5-d6 Af1-a6+ Td6xa6 De7-d7+ Rc8-b8 Dd7-b7+
Chessqueen
Posts: 5685
Joined: Wed Sep 05, 2018 2:16 am
Location: Moving
Full name: Jorge Picado

Re: Is it mate in 11 and is e4 the only solution?

Post by Chessqueen »

In how many moves can you MATE Komodo Dragon or Stockfish if you play with the White pieces without looking at the best moves from any engine, it took me 20 moves/size] :roll: :mrgreen: :roll:
FEN: r3k2r/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1

[pgn][Event "Computer chess game"]
[Site "MININT-UB2PIMJ"]
[Date "2022.02.26"]
[Round "?"]
[White "ChessQueen"]
[Black "Dragon-2.6.1-64bit-avx2"]
[Result "1-0"]
[BlackElo "3500"]
[Time "04:20:10"]
[WhiteElo "?"]
[TimeControl "150+3"]
[SetUp "1"]
[FEN "r3k2r/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1"]
[Termination "normal"]
[PlyCount "34"]
[WhiteType "human"]
[BlackType "program"]

1. e4 Rh4 2. Bb5+ Ke7 3. Nc3 Ra5 4. Nf3 Rg4 5. O-O Ra8 6.d4 Rag8 7. Bg5+ Kd6 8. e5+ Kc7 9. Qd3 R4xg5 10. Nxg5 Rg7 11. Qc4+
Kb8 12. Ne6 Rb7 13. Nd5 Rf7 14. Nec7 Rg7 15. Qc6 Rxg2+ 16. Kxg2 Ka7 17. Qa6+ Kb8 18. Qb6+ Kc8 19. Ne7+ Kd8 20. Qd6#) 1-0[/pgn]
Chessqueen
Posts: 5685
Joined: Wed Sep 05, 2018 2:16 am
Location: Moving
Full name: Jorge Picado

Re: In how many moves can you MATE stockfish?

Post by Chessqueen »

In how many moves can you MATE Stockfish or Komodo Dragon without using any help from any other engines :?: :roll:
[fen]rnbqkbnr/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1[/fen]