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The best move
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Dan Astrachan



Joined: 28 May 2010
Posts: 78
PostPost subject: Re: The best move    Posted: Tue Jun 26, 2012 9:04 pm Reply to topic Reply with quote
Jack Lad wrote:


[d] 2r1q1k1/r4p1p/b3pBp1/n3P1QP/p2p3R/P2p2PB/2P2P2/R5K1 w - - 2 29
   :: BR :: BQ :: BK ::
BR    ::    :: BP :: BP
BB ::    :: BP WB BP ::
BN    ::    WP    WQ WP
BP ::    BP    ::    WR
WP    :: BP ::    WP WB
   :: WP ::    WP    ::
WR    ::    ::    WK    

I wonder how long it would take an engine to find Bg4!! here? Wink




[d] FEN: 2r1q1k1/r4p1p/b3pBp1/n3P1QP/p2p3R/P2p2PB/2P2P2/R5K1 w - - 2 29

Intel Core i7 875K processor (4 cores), 12 Gb of RAM, 2 Gb hash:

IvanHoe999946h:

Code:
19+   00:13    134 821 134   10 072 000   +3,85   Bh3-g4
  19+   01:20    878 230 412   10 952 000   +236,14   Bh3-g4
  19   01:27    955 971 630   10 952 000   +M12   Bh3-g4 d3xc2 Ra1-c1 Ba6-e2 Qg5-h6 Qe8-f8 Qh6xh7+ Kg8xh7 h5xg6+ Kh7xg6 Bg4xe2 Rc8-c3 Be2-h5+ Kg6-h7 Bh5-f3+ Qf8-h6 Bf3-e4+ Kh7-g8 Rh4xh6 Rc3xg3+ f2xg3 Kg8-f8 Rh6-h8+
  19   01:27    956 164 702   10 950 000   +M12   Bh3-g4 d3xc2 Ra1-c1 Ba6-e2 Qg5-h6 Qe8-f8 Qh6xh7+ Kg8xh7 h5xg6+ Kh7xg6 Bg4xe2 Rc8-c3 Be2-h5+ Kg6-h7 Bh5-f3+ Qf8-h6 Bf3-e4+ Kh7-g8 Rh4xh6 Rc3xg3+ f2xg3 Kg8-f8 Rh6-h8+


The engine only needed 13 seconds to figure out the move but needed 74 seconds more to find the correct mating combination.
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Display posts from previous:   
Subject Author Date/Time
The best move Mc Mad Mon Jun 25, 2012 8:22 am
      Re: Which is the best move? Jesús Muñoz Mon Jun 25, 2012 9:37 am
      Re: The best move Louis Zulli Mon Jun 25, 2012 12:12 pm
            Re: The best move Rodolfo Leoni Mon Jun 25, 2012 12:38 pm
      Re: The best move Matthew R. Brades Mon Jun 25, 2012 4:11 pm
            Re: The best move Terry McCracken Mon Jun 25, 2012 8:04 pm
                  Re: The best move kgburcham Mon Jun 25, 2012 11:25 pm
                        Re: The best move Terry McCracken Mon Jun 25, 2012 11:35 pm
                              Re: The best move Mike Libanan Tue Jun 26, 2012 5:54 am
                                    Re: The best move Terry McCracken Tue Jun 26, 2012 5:59 am
      Re: The best move Terry McCracken Tue Jun 26, 2012 6:01 am
            Re: The best move Mc Mad Tue Jun 26, 2012 11:33 am
                  Re: The best move Louis Zulli Tue Jun 26, 2012 11:40 am
                        Re: The best move Mc Mad Tue Jun 26, 2012 4:09 pm
                              Re: The best move Terry McCracken Tue Jun 26, 2012 9:20 pm
                  Re: The best move Terry McCracken Tue Jun 26, 2012 7:25 pm
                        Re: The best move Dan Astrachan Tue Jun 26, 2012 9:04 pm
                  Re: The best move Roberto Munter Tue Jun 26, 2012 8:39 pm
                  Re: The best move kgburcham Tue Jun 26, 2012 11:34 pm
                        Re: The best move Matthew R. Brades Wed Jun 27, 2012 6:33 am
                        Re: The best move Mc Mad Wed Jun 27, 2012 3:40 pm
                              Re: The best move Terry McCracken Wed Jun 27, 2012 3:51 pm
                              Re: The best move kgburcham Wed Jun 27, 2012 10:12 pm
                  Re: The best move Marek Kwiatkowski Wed Jun 27, 2012 2:00 pm
                        Re: The best move Mc Mad Wed Jun 27, 2012 3:38 pm
      Re: The best move Dan Astrachan Tue Jun 26, 2012 7:32 pm
      Re: The best move Eelco de Groot Tue Jun 26, 2012 8:27 pm
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