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Difficult position for Stockfish
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Dann Corbit



Joined: 08 Mar 2006
Posts: 7180
Location: Redmond, WA USA

PostPost subject: Re: Difficult position for Stockfish    Posted: Fri Feb 17, 2017 1:14 am Reply to topic Reply with quote

SF bleeding edge with 6 man Syzygy:
Code:


Searching: 6Q1/8/3p4/2pPk1p1/1p5P/1P4PK/2q5/8 b - - 0 1
infinite: 0 ponder: 0 time: 0 increment: 0 moves to go: 0

 1   +1.40   00:00      92  gxh4 Qe6+ Kd4
 2   +1.84   00:00     213  Qf5+ Kh2 gxh4 Qg7+ Kxd5 gxh4
 3   +1.70   00:00     289  Qf5+ Kh2 gxh4 Qg7+ Kxd5 gxh4
 4   +1.68   00:00     420  Qf5+ Kg2 gxh4 Qh8+ Kxd5
 5   +1.66   00:00     504  Qf5+ Kg2 gxh4 Qh8+ Ke4 Qxh4+ Kxd5 Qc4+ Kc6
 6   +1.65   00:00    1050  Qf5+ Kg2 gxh4 Qh8+ Kxd5 Qa8+ Ke5 Qh8+ Ke4 Qxh4+ Kd3
 7   +1.61   00:00    3203  Qf5+ Kg2 gxh4 gxh4 Qc2+ Kf1 Qxb3 Qg7+ Ke4 Qg4+ Kd3
 8   +1.36   00:00    4090  Qf5+ Kg2 gxh4 Qe6+ Qxe6 dxe6 Kxe6 gxh4 d5 Kf2
 9   +1.60   00:00   13065  Qf5+ Kg2 gxh4 gxh4 Qc2+ Kf1 Qxb3 Qg7+ Ke4 Qg4+ Kd3 Qh3+ Kc4 Qg4+ Kc3 Qg3+ Kb2
10   +1.77   00:00   15661  Qf5+ Kg2 gxh4 gxh4 Qc2+ Kf1 Qxb3 Qg7+ Ke4 Qg4+ Kd3 Qg3+ Kc2 Qg2+ Kb1 Qg6+ Qc2
11   +1.98   00:00   40341  Qf5+ Kg2 gxh4 gxh4 Qc2+ Kf1 Qxb3 Qg7+ Ke4 Qh7+ Kd4 Qg7+ Kc4 Qg4+ Kd3 Qg3+ Kc2 Qxb3+ Kxb3 h5 c4 h6
12   +2.11   00:00   65825  Qf5+ Kg2 gxh4 gxh4 Qc2+ Kg1 Qxb3 Qg7+ Ke4 Qg4+ Kd3 Qg3+ Kc2 Qf2+ Kb1 Qf1+ Kb2 Qf6+ Qc3
13   +2.07   00:01  225603  Qf5+ Kg2 gxh4 Qh8+ Kxd5 gxh4 Ke4 h5 Qf3+ Kh2 Qf2+ Kh3 d5 Qe8+ Kd4 Qh8+ Kd3 h6 Qf5+ Kh4 c4 bxc4
14   +2.17   00:03  394267  Qf5+ Kg2 gxh4 Qh8+ Kxd5 gxh4 Ke4 h5 c4 bxc4 Qf3+ Kh2 Qf2+ Kh1 Qe1+ Kg2 Qd2+ Kf1 b3 Qh7+ Kd4 Qg7+ Kxc4 Qc7+ Kb4 Qb7+ Kc3 Qc7+ Kb2 Qg7+ Kc2
15   +2.48   00:06   1110K  Qf5+ Kg2 gxh4 Qh8+ Kxd5 gxh4 Qg4+ Kf2 Qf4+ Kg2 c4 Qg8+ Ke5 bxc4 Qe4+ Kg3 Kd4 Qb8 Qe5+ Kg4 Kc3 c5 Qd4+ Kf5 dxc5 h5 Qd5+ Kg4 Qe6+ Kg5
16   +3.00   00:10   2065K  Qf5+ Kg2 gxh4 gxh4 Qc2+ Kg1 Qxb3 Qg7+ Ke4 Qg6+ Kd4 Qf6+ Kc4 Qf4+ Kb5 Qxd6 Qd1+ Kf2 Qd4+ Ke2 b3 Qc6+ Kc4 Qg6 Kc3 d6 c4
17   +3.06   00:12   3083K  Qf5+ Kg2 gxh4 gxh4 Qc2+ Kg1 Qxb3 Qg7+ Ke4 Qg6+ Kd4 Qf6+ Ke3 Qxd6 Qd1+ Kh2 Qe2+ Kg3 Qf3+ Kh2 Qf2+ Kh3 Qf5+ Kg3 Kd4 Qb8 Qxd5 Qf4+ Kd3 Qf1+ Kc2 Qf2+ Kc3 Qe1+ Kc4 Kf4 b3 Qe2+ Kc3
18   +3.53   00:14   4539K  Qf5+ Kg2 gxh4 gxh4 Qc2+ Kg1 Qxb3 Qg5+ Ke4 Qg6+ Kd4 Qf6+ Ke3 Qxd6 Qd1+ Kh2 Qe2+ Kg3 Qf3+ Kh2 Qf2+ Kh3 Qf5+ Kg3 Kd4 Qb8 Qxd5 Qf4+ Kd3 Qf1+ Kc3 Qc1+ Kb3 Qb1+ Ka4 Kg4 Qd4+ Kg5 Qd2+ Kg6 b3 Qe4+ Qd4 Qc6+ Ka3 Qa6+ Kb4 Qb7+ Kc3
19   +3.66   00:17   5905K  Qf5+ Kg2 gxh4 Qh8+ Kxd5 gxh4 Qe4+ Kf1 Qf4+ Kg2 c4 bxc4+ Kxc4 h5 Qd2+ Kg1 Qe1+ Kg2 Qe2+ Kg3 b3 Qg8+ d5 Qc8+ Kd4 Qb7 Kc3 Qc7+ Kd3 Qb7 Qe5+ Kg4 b2
20   +4.40   00:22  10007K  Qf5+ Kg2 gxh4 Qg7+ Qf6 Qg4 hxg3 Qe2+ Kxd5 Qc4+ Kc6 Qa6+ Kd7 Kxg3 Qc3+ Kh4 Ke6 Qa4 Ke5 Kg4 Qe3 Qa2 d5 Qa7 Qxb3 Qc7+ Kd4 Qf4+ Kc3
21   +5.24   00:29  16038K  Qf5+ Kg2 gxh4 Qg7+ Qf6 Qg4 hxg3 Qe2+ Kxd5 Qc4+ Kc6 Qa6+ Kd7 Kxg3 Qc3+ Kh4 Ke6 Qa8 Ke5 Qa2 Qe3 Kg4 d5 Qh2+ Ke6 Qb8 Qe4+ Kh3 Qf3+ Kh2 Kf5 Qa7 Qxb3 Qg7 Ke4
22   +5.25   00:30  16683K  Qf5+ Kg2 gxh4 Qg7+ Qf6 Qg4 hxg3 Qe2+ Kxd5 Qc4+ Kc6 Qa6+ Kd7 Kxg3 Qc3+ Kh4 Ke6 Qe2+ Qe5 Qg4+ Ke7 Qc8 Qe1+ Kh5 Qe6 Qc7+ Kf6 Kh4 Qe7 Qb8 Kf5+ Kh3 Qe3+ Kh4 Qf4+ Kh3 Ke5 Qc7 Qe3+ Kh4
23   +5.36   00:33  19851K  Qf5+ Kg2 gxh4 Qh8+ Kxd5 Qa8+ Ke5 Qh8+ Ke4 Qxh4+ Ke3 Qh6+ Kd3 Qc1 Qd5+ Kh3 Qxb3 Qf1+ Kc3 Qf6+ Kc2 Qf2+ Kb1 Qf1+ Kb2 Qf2+ Qc2 Qf6+ Ka3 Qxd6 c4 Qe7 Qd3 Qa7+ Kb3 Qa1 c3
24   +6.14   00:43  28406K  Qf5+ Kg2 gxh4 Qg7+ Qf6 Qg4 hxg3 Kxg3 Qf5 Qc4 Qe4 Qc1 Kxd5 Qd2+ Ke5 Qb2+ Ke6 Qa2 Qe3+ Kh4 Qf4+ Kh3 Ke5 Qa1+ Qd4 Qa8 Qc3+ Kh4 Qxb3 Qh8+ Kf4 Qf8+ Ke4 Qe7+ Kd4 Qe1 Qf3
25   +6.20   00:44  29482K  Qf5+ Kg2 gxh4 Qg7+ Qf6 Qg4 hxg3 Kxg3 Qf5 Qc4 Qe4 Qc1 Kxd5 Qd2+ Ke5 Qb2+ Ke6 Qa2 Qe3+ Kg4 Kf6 Qa8 Qxb3 Kh4 Ke5 Qh8+ Kf4 Qf6+ Ke3 Qg5+ Kd4 Qf6+ Kc4 Qf4+ Kc3 Qf6+ Kc2 Qf2+ Kc1 Qf4+ Kb1 Qe4+ Qc2 Qe8
26     #77   01:02  45812K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
27     #77   01:03  45820K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
28     #77   01:03  45829K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf3 Kxh7 c5 b2 c6 b1=Q Kf4 Qc2 Ke3 Qb3+ Kd4 Qxg3
29     #77   01:03  45848K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf3 Kxh7 c5 b2 c6 b1=Q Kf4 Qc2 Ke3 Qb3+ Kd4 Qxg3
30     #77   01:03  45911K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf3 Kxh7 c5 b2 c6 b1=Q Kf4 Qc2 Ke3 Qb3+ Kd4 Qxg3
31     #77   01:03  45946K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf3 Kxh7 c5 b2 c6 b1=Q Kf4 Qc2 Ke3 Qb3+ Kd4 Qxg3
32     #77   01:06  46178K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf3 Kxh7 c5 b2 c6 b1=Q Kf4 Qc2 Ke3 Qb3+ Kd4 Qxg3
33     #77   01:07  46343K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
34     #77   01:08  46452K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
35     #77   01:12  46906K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
36     #77   01:15  47096K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
37     #77   01:15  47246K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
38     #77   01:20  47792K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
39     #77   01:21  47926K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
40     #77   01:37  49192K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
41     #77   01:37  49193K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7
42     #77   01:37  49193K  g4+ Qxg4 Qf5 h5 Qxg4+ Kxg4 c4 bxc4 b3 h6 Kf6 h7 Kg7 Kf4 Kxh7 c5 b2 c6 b1=Q g4 Qb3 c7 Qc4+ Ke3 Qxc7

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Subject Author Date/Time
Difficult position for Stockfish Jouni Uski Thu Feb 16, 2017 10:07 pm
      Re: Difficult position for Stockfish Rob Nicholas Thu Feb 16, 2017 11:09 pm
      Re: Difficult position for Stockfish john dalhem Fri Feb 17, 2017 12:39 am
      Re: Difficult position for Stockfish Dann Corbit Fri Feb 17, 2017 1:14 am
      Re: Difficult position for Stockfish Michael B Fri Feb 17, 2017 1:32 am
      Re: Difficult position for Stockfish kgburcham Fri Feb 17, 2017 1:49 am
            Re: Difficult position for Stockfish Jouni Uski Fri Feb 17, 2017 8:19 am
                  Re: Difficult position for Stockfish Herbert L Fri Feb 17, 2017 1:07 pm
                        Re: Difficult position for Stockfish Jon Fredrik Åsvang Fri Feb 17, 2017 2:26 pm
                        Re: Difficult position for Stockfish S.Taylor Fri Feb 17, 2017 2:32 pm
      Re: Difficult position for Stockfish Damir Desevac Fri Feb 17, 2017 8:45 am
      Re: Difficult position for Stockfish Folkert van Heusden Fri Feb 17, 2017 3:00 pm
      Re: Difficult position for Stockfish Bernhard Bauer Fri Feb 17, 2017 3:19 pm
            Re: Difficult position for Stockfish Jon Fredrik Åsvang Sat Feb 18, 2017 10:30 am
      Re: Difficult position for Stockfish Vincent Lejeune Sat Feb 18, 2017 10:33 pm
            Re: Difficult position for Stockfish Vincent Lejeune Sat Feb 18, 2017 11:52 pm
                  Re: Difficult position for Stockfish Jon Fredrik Åsvang Sun Feb 19, 2017 3:28 pm
                        Re: Difficult position for Stockfish Jon Fredrik Åsvang Mon Feb 20, 2017 8:42 am
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