Can your engine solve this mate with White Pieces...........

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pichy
Posts: 2564
Joined: Thu Mar 09, 2006 3:04 am

Can your engine solve this mate with White Pieces...........

Post by pichy »

Can your engine solve this mate with White Pieces, I will give you a little bit of an advice, let it run for at least 1 hour :roll:
[D]8/1r6/8/6n1/5k2/1b6/3K3N/7Q w - - 0 1
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Can your engine solve this mate with White Pieces.......

Post by zullil »

pichy wrote:Can your engine solve this mate with White Pieces, I will give you a little bit of an advice, let it run for at least 1 hour :roll:
[D]8/1r6/8/6n1/5k2/1b6/3K3N/7Q w - - 0 1
Critter-1.4 found mate-in-280 in 5.5 minutes. And mate-in-39 in 10 minutes.

Oops, and it was sharing the 8 cores with Stockfish from an earlier search. Let me try this again.
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Can your engine solve this mate with White Pieces.......

Post by zullil »

zullil wrote:
pichy wrote:Can your engine solve this mate with White Pieces, I will give you a little bit of an advice, let it run for at least 1 hour :roll:
[D]8/1r6/8/6n1/5k2/1b6/3K3N/7Q w - - 0 1
Critter-1.4 found mate-in-280 in 5.5 minutes. And mate-in-39 in 10 minutes.

Oops, and it was sharing the 8 cores with Stockfish from an earlier search. Let me try this again.
Mate-in-19?

Code: Select all

23/66  02:07 1529956186 12032781  +M178 Qxb7 Bf7 Qb4+ Ne4+ Kd3 Bg6 Qb8+ Kf5 Ke3 Ke6 Qg8+ Kf6 Nf3 Ng3 Qh8+ Ke6 Qe5+ Kd7 Qxg3 Be8 Qe5 Bf7 Qf5+ Ke7 Qg5+ Kf8 Qf6 Ke8 Ne5 Bb3 Qd6 Ba4 Qc7 Bb5 Qc8+ Ke7 Qc5+ Ke6 Qxb5 Kf5 Ng4+ Kxg4 Qe5 Kh4 Qf4+ Kh5 Qd6 Kg4 Qg6+ Kh4 Kf4 Kh3 Qg3#
24/66  02:33 1748461276 11422177  +M153 Qxb7 Ne4+ Ke1 Be6 Qc7+ Kg5 Nf3+ Kg6 Qb6 Kf6 Qd4+ Ke7 Qxe4 Kd7 Qe5 Bh3 Qg7+ Ke6 Qg6+ Ke7 Qh7+ Kd8 Qxh3 Ke7 Nd2 Kd6 Kf2 Ke7 Ke2 Kd6 Kf2
25/66  02:49 1876988515 11087349   +M80 Qxb7 Ne4+ Ke1 Be6 Qc7+ Kg5 Nf3+ Kg6 Qb6 Kf7 Qb7+ Kf8 Qxe4 Bf7 Qb4+ Ke8 Qb8+ Ke7 Qe5+ Kd7 Qg7 Ke7 Ng5 Kd6 Nxf7+ Kc6 Kd2 Kb5 Qg8 Kc4 Ke3 Kc3 Qc8+ Kb4 Qb7+ Kc5 Qe7+ Kb5 Ne5 Ka4 Qe8+ Ka3 Qd7 Kb4 Qc7 Ka3 Qc3+ Ka4 Qc4+ Ka5 Qc7+ Kb5 Qa7 Kb4 Qd4+ Ka3 Qc3+
26/66  03:50 2399325771 10399882   +M25 Qxb7 Be6 Qb4+ Kf5 Ng4 Nh3 Ke3 Bd5 Qd4 Bb3 Qe4+ Kg5 Ne5 Kf6 Nd7+ Kg7 Qg2+ Kf7 Qxh3 Be6 Qh7+ Ke8 Ne5 Kd8 Qh6 Ke7 Qg5+ Kd6 Kd4 Bh3 Qg8 Kc7 Qh7+ Kc8 Qxh3+ Kb7 Qd7+ Ka6 Qc7 Kb5 Nd3 Ka6 Nc5+ Kb5 Qb7+ Ka5 Qa6+ Kb4 Qa4#
27/66  04:09 2566342917 10301468   +M24 Qxb7 Be6 Qb4+ Kf5 Ng4 Nh3 Ke3 Bd5 Qd4 Bb3 Qe4+ Kg5 Ne5 Kf6 Nd7+ Kg7 Qg2+ Kf7 Qxh3 Be6 Qh7+ Ke8 Ne5 Kd8 Qh6 Ke7 Qg5+ Ke8 Qf6 Bb3 Qd6 Ba4 Qc7 Bb5 Qb8+ Ke7 Qxb5 Kd6 Kf4 Kc7 Qc6+ Kb8 Nd7+ Ka7 Qb6+ Ka8 Qa6#
28/66  05:19 3143015556 9847835   +M21 Qxb7 Be6 Qb4+ Kf5 Ng4 Nh3 Ke3 Bd5 Qd4 Bb3 Qe4+ Kg5 Ne5 Kf6 Nd7+ Kg7 Qg2+ Kf7 Qxh3 Be6 Qh7+ Ke8 Ne5 Kd8 Qg7 Kc8 Qf8+ Kb7 Qe7+ Ka6 Qxe6+ Ka5 Nf3 Kb5 Nd4+ Ka5 Qc6 Kb4 Qb5+ Ka3 Qb3#

Code: Select all

29/66  08:53 5331615179 9992999   +M19 Qxb7 Be6 Qb4+ Ke5 Ke3 Kf6 Qf4+ Kg6 Ng4 Bxg4 Qxg4 Kf6 Qf4+ Kg6 Qe5 Nf7 Qe6+ Kg7 Kf4 Nh6 Qe7+ Kg6 Qg5+ Kh7 Qf6 Ng8 Qf7+ Kh8 Kg5 Nh6 Qc7 Ng8 Kg6 Ne7+ Qxe7 Kg8 Qg7#
30/66  09:25 5578982007 9874129   +M19 Qxb7 Be6 Qb4+ Ke5 Ke3 Kf6 Qf4+ Kg6 Ng4 Bxg4 Qxg4 Kf6 Qf4+ Kg6 Qe5 Nf7 Qe6+ Kg7 Kf4 Nh6 Qe7+ Kg6 Qg5+ Kh7 Qf6 Ng8 Qf7+ Kh8 Kg5 Nh6 Qc7 Ng8 Kg6 Ne7+ Qxe7 Kg8 Qg7#
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Can your engine solve this mate with White Pieces.......

Post by zullil »

zullil wrote:
zullil wrote:
pichy wrote:Can your engine solve this mate with White Pieces, I will give you a little bit of an advice, let it run for at least 1 hour :roll:
[D]8/1r6/8/6n1/5k2/1b6/3K3N/7Q w - - 0 1
Critter-1.4 found mate-in-280 in 5.5 minutes. And mate-in-39 in 10 minutes.

Oops, and it was sharing the 8 cores with Stockfish from an earlier search. Let me try this again.
Mate-in-19?

Code: Select all

23/66  02:07 1529956186 12032781  +M178 Qxb7 Bf7 Qb4+ Ne4+ Kd3 Bg6 Qb8+ Kf5 Ke3 Ke6 Qg8+ Kf6 Nf3 Ng3 Qh8+ Ke6 Qe5+ Kd7 Qxg3 Be8 Qe5 Bf7 Qf5+ Ke7 Qg5+ Kf8 Qf6 Ke8 Ne5 Bb3 Qd6 Ba4 Qc7 Bb5 Qc8+ Ke7 Qc5+ Ke6 Qxb5 Kf5 Ng4+ Kxg4 Qe5 Kh4 Qf4+ Kh5 Qd6 Kg4 Qg6+ Kh4 Kf4 Kh3 Qg3#
24/66  02:33 1748461276 11422177  +M153 Qxb7 Ne4+ Ke1 Be6 Qc7+ Kg5 Nf3+ Kg6 Qb6 Kf6 Qd4+ Ke7 Qxe4 Kd7 Qe5 Bh3 Qg7+ Ke6 Qg6+ Ke7 Qh7+ Kd8 Qxh3 Ke7 Nd2 Kd6 Kf2 Ke7 Ke2 Kd6 Kf2
25/66  02:49 1876988515 11087349   +M80 Qxb7 Ne4+ Ke1 Be6 Qc7+ Kg5 Nf3+ Kg6 Qb6 Kf7 Qb7+ Kf8 Qxe4 Bf7 Qb4+ Ke8 Qb8+ Ke7 Qe5+ Kd7 Qg7 Ke7 Ng5 Kd6 Nxf7+ Kc6 Kd2 Kb5 Qg8 Kc4 Ke3 Kc3 Qc8+ Kb4 Qb7+ Kc5 Qe7+ Kb5 Ne5 Ka4 Qe8+ Ka3 Qd7 Kb4 Qc7 Ka3 Qc3+ Ka4 Qc4+ Ka5 Qc7+ Kb5 Qa7 Kb4 Qd4+ Ka3 Qc3+
26/66  03:50 2399325771 10399882   +M25 Qxb7 Be6 Qb4+ Kf5 Ng4 Nh3 Ke3 Bd5 Qd4 Bb3 Qe4+ Kg5 Ne5 Kf6 Nd7+ Kg7 Qg2+ Kf7 Qxh3 Be6 Qh7+ Ke8 Ne5 Kd8 Qh6 Ke7 Qg5+ Kd6 Kd4 Bh3 Qg8 Kc7 Qh7+ Kc8 Qxh3+ Kb7 Qd7+ Ka6 Qc7 Kb5 Nd3 Ka6 Nc5+ Kb5 Qb7+ Ka5 Qa6+ Kb4 Qa4#
27/66  04:09 2566342917 10301468   +M24 Qxb7 Be6 Qb4+ Kf5 Ng4 Nh3 Ke3 Bd5 Qd4 Bb3 Qe4+ Kg5 Ne5 Kf6 Nd7+ Kg7 Qg2+ Kf7 Qxh3 Be6 Qh7+ Ke8 Ne5 Kd8 Qh6 Ke7 Qg5+ Ke8 Qf6 Bb3 Qd6 Ba4 Qc7 Bb5 Qb8+ Ke7 Qxb5 Kd6 Kf4 Kc7 Qc6+ Kb8 Nd7+ Ka7 Qb6+ Ka8 Qa6#
28/66  05:19 3143015556 9847835   +M21 Qxb7 Be6 Qb4+ Kf5 Ng4 Nh3 Ke3 Bd5 Qd4 Bb3 Qe4+ Kg5 Ne5 Kf6 Nd7+ Kg7 Qg2+ Kf7 Qxh3 Be6 Qh7+ Ke8 Ne5 Kd8 Qg7 Kc8 Qf8+ Kb7 Qe7+ Ka6 Qxe6+ Ka5 Nf3 Kb5 Nd4+ Ka5 Qc6 Kb4 Qb5+ Ka3 Qb3#

Code: Select all

29/66  08:53 5331615179 9992999   +M19 Qxb7 Be6 Qb4+ Ke5 Ke3 Kf6 Qf4+ Kg6 Ng4 Bxg4 Qxg4 Kf6 Qf4+ Kg6 Qe5 Nf7 Qe6+ Kg7 Kf4 Nh6 Qe7+ Kg6 Qg5+ Kh7 Qf6 Ng8 Qf7+ Kh8 Kg5 Nh6 Qc7 Ng8 Kg6 Ne7+ Qxe7 Kg8 Qg7#
30/66  09:25 5578982007 9874129   +M19 Qxb7 Be6 Qb4+ Ke5 Ke3 Kf6 Qf4+ Kg6 Ng4 Bxg4 Qxg4 Kf6 Qf4+ Kg6 Qe5 Nf7 Qe6+ Kg7 Kf4 Nh6 Qe7+ Kg6 Qg5+ Kh7 Qf6 Ng8 Qf7+ Kh8 Kg5 Nh6 Qc7 Ng8 Kg6 Ne7+ Qxe7 Kg8 Qg7#
Mate-in-17?

Code: Select all

33/66  37:35 21975735688 9743768   +M17 Qxb7 Ne4+ Ke1 Ba2 Qc7+ Kf5 Qa5+ Ke6 Qxa2+ Kd6 Qa6+ Kc5 Nf3 Ng3 Qc8+ Kd6 Qb8+ Kc6 Qxg3 Kd5 Qg6 Kc4 Kd2 Kc5 Kd3 Kd5 Nd4 Ke5 Ke3 Kd5 Qc6+ Ke5 Qe6#
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pichy
Posts: 2564
Joined: Thu Mar 09, 2006 3:04 am

Re: Can your engine solve this mate with White Pieces.......

Post by pichy »

zullil wrote:
zullil wrote:
pichy wrote:Can your engine solve this mate with White Pieces, I will give you a little bit of an advice, let it run for at least 1 hour :roll:
[D]8/1r6/8/6n1/5k2/1b6/3K3N/7Q b - - 0 1

Critter-1.4 found mate-in-280 in 5.5 minutes. And mate-in-39 in 10 minutes.

Oops, and it was sharing the 8 cores with Stockfish from an earlier search. Let me try this again.
Mate-in-19?

Code: Select all

23/66  02:07 1529956186 12032781  +M178 Qxb7 Bf7 Qb4+ Ne4+ Kd3 Bg6 Qb8+ Kf5 Ke3 Ke6 Qg8+ Kf6 Nf3 Ng3 Qh8+ Ke6 Qe5+ Kd7 Qxg3 Be8 Qe5 Bf7 Qf5+ Ke7 Qg5+ Kf8 Qf6 Ke8 Ne5 Bb3 Qd6 Ba4 Qc7 Bb5 Qc8+ Ke7 Qc5+ Ke6 Qxb5 Kf5 Ng4+ Kxg4 Qe5 Kh4 Qf4+ Kh5 Qd6 Kg4 Qg6+ Kh4 Kf4 Kh3 Qg3#
24/66  02:33 1748461276 11422177  +M153 Qxb7 Ne4+ Ke1 Be6 Qc7+ Kg5 Nf3+ Kg6 Qb6 Kf6 Qd4+ Ke7 Qxe4 Kd7 Qe5 Bh3 Qg7+ Ke6 Qg6+ Ke7 Qh7+ Kd8 Qxh3 Ke7 Nd2 Kd6 Kf2 Ke7 Ke2 Kd6 Kf2
25/66  02:49 1876988515 11087349   +M80 Qxb7 Ne4+ Ke1 Be6 Qc7+ Kg5 Nf3+ Kg6 Qb6 Kf7 Qb7+ Kf8 Qxe4 Bf7 Qb4+ Ke8 Qb8+ Ke7 Qe5+ Kd7 Qg7 Ke7 Ng5 Kd6 Nxf7+ Kc6 Kd2 Kb5 Qg8 Kc4 Ke3 Kc3 Qc8+ Kb4 Qb7+ Kc5 Qe7+ Kb5 Ne5 Ka4 Qe8+ Ka3 Qd7 Kb4 Qc7 Ka3 Qc3+ Ka4 Qc4+ Ka5 Qc7+ Kb5 Qa7 Kb4 Qd4+ Ka3 Qc3+
26/66  03:50 2399325771 10399882   +M25 Qxb7 Be6 Qb4+ Kf5 Ng4 Nh3 Ke3 Bd5 Qd4 Bb3 Qe4+ Kg5 Ne5 Kf6 Nd7+ Kg7 Qg2+ Kf7 Qxh3 Be6 Qh7+ Ke8 Ne5 Kd8 Qh6 Ke7 Qg5+ Kd6 Kd4 Bh3 Qg8 Kc7 Qh7+ Kc8 Qxh3+ Kb7 Qd7+ Ka6 Qc7 Kb5 Nd3 Ka6 Nc5+ Kb5 Qb7+ Ka5 Qa6+ Kb4 Qa4#
27/66  04:09 2566342917 10301468   +M24 Qxb7 Be6 Qb4+ Kf5 Ng4 Nh3 Ke3 Bd5 Qd4 Bb3 Qe4+ Kg5 Ne5 Kf6 Nd7+ Kg7 Qg2+ Kf7 Qxh3 Be6 Qh7+ Ke8 Ne5 Kd8 Qh6 Ke7 Qg5+ Ke8 Qf6 Bb3 Qd6 Ba4 Qc7 Bb5 Qb8+ Ke7 Qxb5 Kd6 Kf4 Kc7 Qc6+ Kb8 Nd7+ Ka7 Qb6+ Ka8 Qa6#
28/66  05:19 3143015556 9847835   +M21 Qxb7 Be6 Qb4+ Kf5 Ng4 Nh3 Ke3 Bd5 Qd4 Bb3 Qe4+ Kg5 Ne5 Kf6 Nd7+ Kg7 Qg2+ Kf7 Qxh3 Be6 Qh7+ Ke8 Ne5 Kd8 Qg7 Kc8 Qf8+ Kb7 Qe7+ Ka6 Qxe6+ Ka5 Nf3 Kb5 Nd4+ Ka5 Qc6 Kb4 Qb5+ Ka3 Qb3#

Code: Select all

29/66  08:53 5331615179 9992999   +M19 Qxb7 Be6 Qb4+ Ke5 Ke3 Kf6 Qf4+ Kg6 Ng4 Bxg4 Qxg4 Kf6 Qf4+ Kg6 Qe5 Nf7 Qe6+ Kg7 Kf4 Nh6 Qe7+ Kg6 Qg5+ Kh7 Qf6 Ng8 Qf7+ Kh8 Kg5 Nh6 Qc7 Ng8 Kg6 Ne7+ Qxe7 Kg8 Qg7#
30/66  09:25 5578982007 9874129   +M19 Qxb7 Be6 Qb4+ Ke5 Ke3 Kf6 Qf4+ Kg6 Ng4 Bxg4 Qxg4 Kf6 Qf4+ Kg6 Qe5 Nf7 Qe6+ Kg7 Kf4 Nh6 Qe7+ Kg6 Qg5+ Kh7 Qf6 Ng8 Qf7+ Kh8 Kg5 Nh6 Qc7 Ng8 Kg6 Ne7+ Qxe7 Kg8 Qg7#
I believe that in youtube.com they used an inferior engine to find mate, sorry black to move first :roll:
[D]8/1r6/8/6n1/5k2/1b6/3K3N/7Q b - - 0 1
http://www.youtube.com/watch?v=wxIaMcO2amE
Last edited by pichy on Fri May 11, 2012 7:48 pm, edited 1 time in total.
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Dicaste
Posts: 142
Joined: Mon Apr 16, 2012 7:23 pm
Location: Istanbul, TURKEY

Re: Can your engine solve this mate with White Pieces.......

Post by Dicaste »

Analysis from Houdini 2.0c x64

Code: Select all

New game
8/1r6/8/6n1/5k2/1b6/3K3N/7Q w - - 0 1

Analysis by Houdini 2.0c x64:

  +-  (#49)   Depth: 23/67   00:02:32  1066mN
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Nf3+ 4.Ke3 Bd5 5.Qf4+ Ke6 6.Qf6+ Kd7 7.Qb6 Ke7 8.Nf6 Ba8 9.Ng8+ Kf8 10.Qb8+ Kf7 11.Qa7+ Kg6 12.Qxa8 Ne1 13.Qe4+ Kg5 14.Ne7 Kf6 15.Nf5 Ng2+ 16.Kf2 Ne1 17.Kxe1 Kg6 18.Ke2 Kg5 19.Ne3 Kh6 20.Qe6+ Kg5 21.Qc6 Kh5 22.Qd5+ Kg6 23.Qe6+ Kh7 24.Qe7+ Kg6 25.Qe4+ Kf7 26.Ng4 Kg7 27.Ne5 Kf6 28.Qd5 Kf5 29.Nf7+ Kf6 30.Ke3 Kg6 31.Kf4 Kh7 32.Ne5 Kh8 33.Qa8+ Kg7 34.Qc6 Kf8 35.Qd6+ Kg7 36.Qg6+ Kh8 37.Nf7# 
  +-  (#49)   Depth: 24/67   00:02:40  1118mN
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Nh3 4.Ke3 Bd5 5.Qd4 Bc6 6.Nh6+ Ke6 7.Qg4+ Kd6 8.Nf7+ Ke7 9.Ne5 Be8 10.Qxh3 Kf6 11.Ng4+ Ke7 12.Qh6 Bf7 13.Qf6+ Ke8 14.Nh6 Bh5 15.Qe6+ Kd8 16.Qd5+ Kc7 17.Qxh5 Kb6 18.Qe8 Ka7 19.Qe6 Kb8 20.Nf5 Kb7 21.Qe7+ Kc6 22.Nd4+ Kb6 23.Qd8+ Kb7 24.Qd7+ Kb6 25.Qc6+ Ka7 26.Nb5+ Kb8 27.Qb6+ Kc8 
  +-  (#39)   Depth: 25/74   00:03:11  1364mN, tb=33
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Ba2 4.Ke3 Ne6 5.Qe4+ Kg5 6.Nh2 Bb3 7.Qb7 Bc4 8.Qc6 Bb3 9.Qb5+ Kf6 10.Qxb3 Ke5 11.Ng4+ Kd6 12.Qa3+ Kc6 13.Qa6+ Kd7 14.Ne5+ Ke7 15.Qb6 Ng5 16.Kd4 Ne6+ 17.Ke4 Kf6 18.Qf2+ Ke7 19.Qf7+ Kd6 20.Qd7+ Kc5 21.Qxe6 Kb5 22.Ke3 Ka5 23.Nd3 Kb5 24.Kd4 Ka5 25.Nc5 Kb5 26.Qa6+ Kb4 27.Qa4# 
  +-  (#27)   Depth: 26/74   00:03:40  1598mN, tb=140
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Ba2 4.Ke3 Ne6 5.Qe4+ Kg5 6.Nh2 Kh6 7.Qh4+ Kg6 8.Qg3+ Kh7 9.Qh3+ Kg6 10.Qg2+ Kf6 11.Qxa2 Ke7 12.Qa7+ Kf6 13.Nf3 Ng7 14.Qd4+ Kg6 15.Qd6+ Kh5 16.Qf4 Kg6 17.Ne5+ Kh7 18.Qf6 Kg8 19.Qf3 Kh8 20.Qh3+ Kg8 21.Kd4 Ne8 22.Qe6+ Kg7 23.Qxe8 Kf6 24.Qc6+ Ke7 25.Qd7+ Kf6 26.Ng4+ Kg5 27.Qd6 Kxg4 28.Qh6 Kf5 29.Qe3 Kf6 30.Qf4+ Kg6 31.Ke5 Kh5 32.Qc4 Kg5 33.Qg8+ Kh4 34.Qg2 Kh5 35.Qg3 Kh6 36.Kf5 Kh7 37.Kf6 Kh6 38.Qh2# 
  +-  (#26)   Depth: 27/74   00:03:47  1649mN, tb=411
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Ba2 4.Ke3 Ne6 5.Qe4+ Kg5 6.Nh2 Kh6 7.Qh4+ Kg6 8.Qg3+ Kh7 9.Qh3+ Kg6 10.Qg2+ Kf6 11.Qxa2 Ke7 12.Ng4 Kd6 13.Qd2+ Ke7 14.Qb4+ Ke8 15.Qd6 Ng7 16.Qg6+ Kf8 17.Qf6+ Kg8 18.Ne5 Kh8 19.Nf7+ Kg8 20.Ng5 Nf5+ 21.Qxf5 Kg7 22.Qe6 Kh8 23.Qe7 Kg8 24.Qf7+ Kh8 25.Qf6+ Kg8 26.Qf7+ Kh8 
  +-  (#25)   Depth: 28/76   00:03:57  1725mN, tb=861
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Ba2 4.Ke3 Ne6 5.Qa5+ Kxg4 6.Qxa2 Kf5 7.Qa1 Ng5 8.Qf1+ Ke6 9.Kd4 Nf7 10.Qf4 Nd6 11.Qe5+ Kd7 12.Qg5 Kc7 13.Qd5 Nb7 14.Qf7+ Kc6 15.Qf3+ Kb6 
  +-  (#19)   Depth: 29/76   00:04:43  2109mN, tb=1718
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Ba2 4.Ke3 Ne6 5.Qa5+ Kxg4 6.Qxa2 Kf5 7.Qa1 Ng5 8.Qf1+ Ke6 9.Kd4 Nf7 10.Qf4 Nd6 11.Qe5+ Kd7 12.Qg5 Kc7 13.Qd5 Nb7 14.Qf7+ Kc6 15.Qf3+ Kb6 
  +-  (#19)   Depth: 30/76   00:04:55  2196mN, tb=2479
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Ba2 4.Ke3 Ne6 5.Qa5+ Kxg4 6.Qxa2 Kf5 7.Qa1 Ng5 8.Qf1+ Ke6 9.Kd4 Nf7 10.Qf4 Nd6 11.Qe5+ Kd7 12.Qg5 Kc7 13.Qd5 Nb7 14.Qf7+ Kc6 15.Qf3+ Kb6 
  +-  (#19)   Depth: 31/76   00:05:24  2421mN, tb=3754
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Ba2 4.Ke3 Ne6 5.Qa5+ Kxg4 6.Qxa2 Kf5 7.Qa1 Ng5 8.Qf1+ Ke6 9.Kd4 Nf7 10.Qf4 Nd6 11.Qe5+ Kd7 12.Qg5 Kc7 13.Qd5 Nb7 14.Qf7+ Kc6 15.Qf3+ Kb6 
  +-  (#19)   Depth: 32/76   00:06:21  2888mN, tb=5384
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Ba2 4.Ke3 Ne6 5.Qa5+ Kxg4 6.Qxa2 Kf5 7.Qa1 Ng5 8.Qf1+ Ke6 9.Kd4 Nf7 10.Qf4 Nd6 11.Qe5+ Kd7 12.Qg5 Kc7 13.Qd5 Nb7 14.Qf7+ Kc6 15.Qf3+ Kb6 
  +-  (#19)   Depth: 33/76   00:07:56  3667mN, tb=7547
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Ba2 4.Ke3 Ne6 5.Qa4 Bb1 6.Qd1 Ba2 7.Qf3+ Kg5 8.Ne5 Bb1 9.Qf7 Nc7 10.Nf3+ Kh6 11.Qxc7 Kg6 12.Qe7 Ba2 13.Nh4+ Kh5 14.Kf4 Kh6 15.Nf5+ Kg6 16.Qg7+ Kh5 17.Qg4# 
  +-  (#17)   Depth: 34/76   00:12:48  6112mN, tb=14530
1.Qxb7 Be6 2.Qb4+ Kf5 3.Ng4 Ba2 4.Ke3 Ne6 5.Qa4 Bb1 6.Qd1 Ba2 7.Qf3+ Kg5 8.Ne5 Bb1 9.Qf7 Nc7 10.Nf3+ Kh6 11.Qxc7 Kg6 12.Qe7 Ba2 13.Kf4 Kh6 14.Nd4 Kg6 15.Nf5 Bd5 16.Qg7+ Kh5 17.Qg4# 
  +-  (#17)   Depth: 35/76   00:17:13  8337mN, tb=19680

(Eren Yavuz, Istanbul 11.05.2012)
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Can your engine solve this mate with White Pieces.......

Post by zullil »

pichy wrote: I believe that in youtube.com they used an inferior engine to find mate, sorry black to move first :roll:
[D]8/1r6/8/6n1/5k2/1b6/3K3N/7Q b - - 0 1
http://www.youtube.com/watch?v=wxIaMcO2amE
Apparently so.

[EDIT]---Oh, Black to move.
Last edited by zullil on Fri May 11, 2012 7:53 pm, edited 1 time in total.
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pichy
Posts: 2564
Joined: Thu Mar 09, 2006 3:04 am

Re: Can your engine solve this mate with White Pieces.......

Post by pichy »

I believe that in youtube.com they used an inferior engine to find mate, sorry black to move first
[D]8/1r6/8/6n1/5k2/1b6/3K3N/7Q b - - 0 1

http://www.youtube.com/watch?v=wxIaMcO2amE
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syzygy
Posts: 5566
Joined: Tue Feb 28, 2012 11:56 pm

Re: Can your engine solve this mate with White Pieces.......

Post by syzygy »

pichy wrote:I believe that in youtube.com they used an inferior engine to find mate, sorry black to move first
No, they used a tablebase generator to solve this 7-piece endgame, then took the deepest mate. (Well, the guy who made the video probably took the position and the winning line from a webpage reporting on these findings.)
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