Stockfish-1.7.1 (8 threads) builds a fortress:Robert Flesher wrote:I will be shocked if any engine can solve this!
8/8/7p/3KNN1k/2p4p/8/3P2p1/8 w - - 2 12
what is your evaluation of this position?
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Searching: 8/8/7p/3KNN1k/2p4p/8/3P2p1/8 w - -
infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0
2 +0.93 00:01 266 Nf3 h3 Kxc4
3 +1.37 00:01 444 Nf3 h3 Ke4
4 -0.28 00:01 1312 Nf3 h3 Ng7+ Kg4 Ke4
4 +0.65 00:01 2230 Ng7+ Kg5 Ne6+ Kf6 Nf3 h3
5 +0.69 00:01 2821 Ng7+ Kg5 Ne6+ Kf6 Nf3 h3 Ng1
6 < +0.28 00:01 6002 Ng7+ Kg5 Ne6+ Kf6 Nf3 h3 Ng1 h2
6 < -0.12 00:01 8347 Ng7+ Kg5 Ne6+ Kf6 Nf3 h3 Ng1 h2
6 +0.44 00:01 10442 Ng7+ Kg5 Nf3+ Kg4 Ke4 h3 Nf5 h5 Nd6 Kg3 Nxc4
7 < +0.15 00:01 15035 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Kxc4 h3 Kd4 h2
7 < -0.12 00:01 17400 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Kxc4 h3 Kd4 h2
7 -0.53 00:01 19636 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ke4 h3 Nf3 Kg3 Nf5+ Kf2
Nxh6
8 -1.33 00:01 45308 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ne6 h3 Nxh3 Kxh3 Nf4+
Kg3 Nxg2 Kxg2 Kxc4 h5 Kd3 h4 Ke4
9 -2.06 00:01 90656 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ne6 h3 Nxh3 Kxh3 Nf4+
Kg3 Ne2+ Kf2 Nf4 Kf3 Nh3 Kg3 Ng1 Kf2 Nh3+ Kf1
Kxc4
10 < -3.19 00:01 145038 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ne6 h3 Nxh3 Kxh3 Nf4+
Kg3 Ne2+ Kf2 Nf4 Kf3 Nh3 Kg3 Ng1 h5 Kxc4 h4 d4 h3
d5 h2 Ne2+ Kf2
10 -1.90 00:01 163583 Ng3+ hxg3 Nf3 Kg4 Ke4 h5 Ne5+ Kh4 Nf3+ Kh3 Ke3 h4
Kf4 g1=N Nxg1+ Kg2 Ne2 Kf2 Nd4
11 < -2.42 00:01 183403 Ng3+ hxg3 Nf3 Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf4 g1=N
Nxg1+ Kg2 Ne2 Kf2 Nd4 h3
11 < -2.95 00:01 231835 Ng3+ hxg3 Nf3 Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf4 g1=N
Nxg1+ Kg2 Ne2 Kf2 Nd4 h3
11 -2.67 00:01 247590 Ng3+ hxg3 Nf3 Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf5 g1=N
Nxg1+ Kg2 Ne2 Kf1 Nf4 g2 Nh3 Ke1
12 < -3.52 00:01 272106 Ng3+ hxg3 Nf3 Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf5 g1=N
Nxg1+ Kg2 Ne2 Kf2 Nf4 g2 Nxg2 Kxg2
12 > -1.82 00:01 304259 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ne6 h3 Nxh3 Kxh3 Nf4+
Kg3 Ne2+ Kf2 Nf4 Kf3 Nh3 Kg3 Ng1 h5 Kxc4 h4 d4 h3
d5 h2 Ne2+ Kf2
12 -1.98 00:01 328008 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ne6 h3 Nxh3 Kxh3 Nf4+
Kg3 Ne2+ Kf2 Nf4 Kf3 Nh3 h5 Kxc4 Kg3 Ng1 h4 d4 h3
d5 h2 Ne2+ Kf2
13 < -3.07 00:01 627522 Ng7+ Kg5 Nf3+ Kg4 Ke4 h3 Nf5 g1=Q Nxg1 h2 Nxh6+
Kh5
13 -2.18 00:01 886707 Ng7+ Kg5 Nf3+ Kg4 Ne5+ Kf4 Nh5+ Kg5 Ng3 hxg3 Nf3+
Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf5 g1=N Nxg1+ Kg2 Ne2
Kf2 Nf4 g2 Nxg2 Kxg2
14 < -2.75 00:01 1175k Ng7+ Kg5 Nf3+ Kg4 Ne5+ Kf4 Nh5+ Kg5 Ng3 hxg3 Nf3+
Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf5 g1=N Nxg1+ Kg2 Ne2
Kf2 Nf4 g2 Nxg2 Kxg2
14 < -3.31 00:01 1387k Ng7+ Kg5 Nf3+ Kg4 Ne5+ Kf4 Nh5+ Kg5 Ng3 hxg3 Nf3+
Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf5 g1=N Nxg1+ Kg2 Ne2
Kf2 Nf4 g2 Nxg2 Kxg2
14 -4.00 00:01 1785k Ng7+ Kg5 Nf3+ Kg4 Ne5+ Kf4 Nh5+ Kg5 Ng3 hxg3 Ke4
g1=N Nf7+ Kg4 Nxh6+ Kh3 Nf5 g2 Nd4 Kg4 Nf5 Nf3
Ne3+ Kg3 Nxg2 Kxg2 Ke3 Kg3 d3
15 -3.88 00:01 2556k Ng7+ Kg5 Nf3+ Kg4 Ne5+ Kf4 Nh5+ Kg5 Ng3 hxg3 Ke4
g1=N Nf7+ Kg4 Nxh6+ Kh3 Nf5 g2 Nd4 Kg4 Nf5 Nf3
Ne3+ Kg3 Nxg2 Kxg2 Ke3 Kg3 d4 Kg4 d5 Ne5 Kd4 Kf5
d6 Ke6
16 -4.32 00:01 5181k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke5 c3
dxc3 Qxc3 Nh4+ Kf7 Nf5 Qc5+ Ke4 Kf6
17 -4.53 00:02 6707k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke5 c3
dxc3 Qxc3 Nh4+ Kf7 Nf5 Qc5+ Kf4 Kf6 Ke4 Qe5+ Kd3
Qd5
18 -4.53 00:02 9769k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 Ke5 Kg4 Nh2+ Kh3
Nf3 Kg2 N5d4 Kg3 Ke4 Qb7+ Ke5 Qa8 Kd6 Kf4 Kc5
Qc8+ Kd5 Qg8+ Kc5 Ke4
19 < -4.65 00:02 12902k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 Ke5 Kg4 Nh2+ Kh3
Nf3 Kg2 N5d4 Kg3 Ke4 Qb7+ Ke5 Qa8 Kd6 Kf4 Kc5
Qc8+ Kd5 Qg8+ Kc5 Ke4
19 -4.65 00:03 13850k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke3 Qe7+
Kf4 Kf6 Nc6 Qc7+ Nce5 c3 dxc3 Qxc3 Ke4 Qb4+ Kd5
Qb7+ Kd6 Qe4
20 -4.65 00:03 17550k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Nc6 Qd6+
Nce5+ Kf6 Ke4 Qb4 Kd5 c3 dxc3 Qxc3 Nd7+ Ke7 Nde5
Qa5+ Ke4 Qb4+ Nd4 Kd6 Nc6 Qe1+ Kf4
21 < -4.73 00:04 22827k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Nc6 Qd6+
Nce5+ Kf6 Ke4 Qb4 Kd5 c3 dxc3 Qxc3 Nd7+ Ke7 Nde5
Qa5+ Ke4 Qb4+ Nd4 Kd6 Nc6 Qe1+ Kf4 Qc1+ Ke4 Qg5
21 -4.77 00:05 28505k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Nc6 Qd6+
Nce5+ Kf6 Ke4 Qb4 Nc6 Qb1+ Kd5 Qd3+ Ncd4 c3 dxc3
Qxc3 Ke4 Qc5 Ke3 Qa3+ Ke4 Qd6 Kd3 Qa3+ Kc4 Qa6+
Kd5 Qa3 Kc4
22 -4.73 00:05 35999k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Nc6 Qd6+
Nce5+ Kf6 Ke4 Qb4 Nc6 Qb1+ Kd5 Qd3+ Ncd4 c3 dxc3
Qxc3 Ke4 Qc5 Ke3 Qa3+ Ke4 Qd6 Kd3 Qd5 Ke3 Ke7
23 -4.73 00:07 46222k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Nc6 Qd6+
Nce5+ Kf6 Ke4 Qb4 Nc6 Qb1+ Kd5 Qd3+ Nfd4 Qxd2
Kxc4 Qc1+ Kd5 Qg5+ Ke4 Qg4+ Kd5 Qg2+ Kc4 Qe4 Kc5
Kg5 Nb4 Kf4 Nd5+ Ke5
24 < -4.81 00:09 66033k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke3 Qe7+
Kf4 Kf6 Nf5 Qc7+ Ke4 c3 dxc3 Qc6+ Kf4 Qxc3 N3d4
Qa5 Ke3 Qe5+ Kd3 Qf4 Ne3 Ke5 Nc4+ Kf6 Ne3
24 -4.81 00:10 70615k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke3 Kf6
Ne5 c3 dxc3 Qxc3+ Nd3 Qc7 Nf3 Qd6 Nd4 Qd5 Nb4 Qd7
Kd3 Ke5
25 -4.81 00:11 82503k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke3 Kf6
Ne5 c3 dxc3 Qxc3+ Nd3 Qc7 Nf3 Qa5 Nd4 Qg5+ Ke4
Qg6+ Ke3 Qg4 Nf3 Qd7 Nd2 Qa7+ Kf4 Qc7+ Ke4 Qc6+
Kd4 Kf5
26 > -4.73 00:13 97704k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6
Kd5 c3 dxc3 Qxc3 Ke4 Qb4 Kd3 Qa3+ Ke4 Qe7+ Kd5
Qf7+ Kc5 Qh5+ Kc4 Qf7+ Kc5
26 -4.73 00:13 99297k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6
Kd5 c3 dxc3 Qxc3 Ke4 Qb4 Kd3 Qa3+ Ke4 Qe7+ Kd5
Qf7+ Kc5 Qc7+ Kd5 Qa5+ Ke4 Qa8+ Ke3 Qd5 Kf4 Qd7
Ke3 Qb7 Kd3 Qd5 Ke3 Ke7 Nd2 Qg5+ Kd3
27 -4.73 00:16 130444k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6
Kd5 c3 dxc3 Qxc3 Ke4 Qb4 Kd3 Qa3+ Ke4 Qe7+ Kd5
Qf7+ Ke4 Qb7+ Kd3 Qb4 Ke4 Qc3 Kd5 Qa5+ Ke4 Qa8+
Ke3 Qd5 Kf4 Ke7 Nf5+ Ke6 Ng5+ Kf6 Ne4+ Ke6 Ng5+
28 < -4.81 00:21 170271k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6
Kd5 c3 dxc3 Qxc3 Ke4 Qb4 Kd3 Qa3+ Ke4 Qa8+ Ke3
Ke7 Kf4 Kd6 Nf5+ Kc5 Ke3 Qd5 Kf4 Qd3 Ne5 Qd2+ Ke4
Qb4+ Ke3 Kd5
28 -4.81 00:22 179640k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6
Nc6 Qb1+ Kd5 Qb5+ Kd6 Qb3 Nfd4 Qd3 Kd5 Qxd2 Kxc4
Qg5 Kd3 Qg6+ Kc4 Kg5 Kd5 Kf4 Ne6+ Ke3 Ke5 Qg3+
Kd5 Qg2+ Kd6 Qe4 Ne5 Qb4+ Kc6 Ke4 Nc5+ Kxe5 Nd3+
29 -4.85 00:30 254266k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6
Nc6 Qb1+ Kd5 Qb5+ Kd6 Qb3 Nfd4 Qd3 Kd5 Qxd2 Kxc4
Qg5 Kd3 Qg6+ Kc4 Kg5 Kd5 Kf4 Ne6+ Ke3 Ke5 Qg3+
Kd5 Qg2+ Kd6 Qh2+ Kd5 Qh1+ Kc5 Qe4 Ncd4 Qe5+ Kc4
Ke4
30 -4.85 00:39 333065k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6
Nc6 Qb1+ Kd5 Qb5+ Kd6 Qb3 Nfd4 Qd3 Kd5 Qxd2 Kxc4
Qg5 Kd3 Qg6+ Kc4 Kg5 Kd5 Kf4 Ne6+ Ke3 Ke5 Qg3+
Kd5 Qg2+ Kd6 Qh2+ Kd5 Qh1+ Kc5 Qc1+ Kd5 Qb1 Ne5
Qe4+ Kd6 Qb4+ Kc6 Ke4 Nc5+ Kxe5 Nd3+
31 < -4.93 00:54 472029k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6
Nc6 Qb3 Nfe5 Qc2+ Ke3 Qc1 Ke2 c3 Ng4+ Kg5
31 -4.93 00:58 504981k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6
Nc6 Qb3 Ncd4 Qb7+ Kf4 Qc7+ Ke3 c3 dxc3 Qxc3+ Ke4
Qb4 Kd3 Qb1+ Ke3 Qg6 Kd2 Qe4 Kc3 Ke7 Kb4 Kd6 Kc4
Qf4 Kd3 Kd5
32 -4.93 01:12 635044k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6
Nc6 Qb3 Ncd4 Qb7+ Kf4 Qc7+ Ke3 Qd6 Ke4 Qc5 Ke3
Qd5 Kf4 Qd7 Ke3 Qe7+ Kf4 Qe8 Kg3 Qe4 Kf2 Qd3 Nc6
Qd6 Ncd4 Qa3 Ke2 Qd3+ Kf2 c3 dxc3 Qxc3 Ke2 Kg6
Nh4+ Kg5 Nhf5 Kf6
33 < -5.01 01:40 900694k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5
33 -5.01 01:53 1014M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qh7+
Kd5 Qg8+ Kc5 Qc8+ Kd5 c3 dxc3 Qxc3 Ne5 Qa5+ Kd6
Qa6+ Kd5 Qa8+ Nec6 Qg8+ Ke4 Qg2+ Ke5 Ke3 Nf5+ Kd2
Ncd4 Kd3 Ne6 Qe4+ Kf6 Qb4 Ke5 Qe1+ Kf6 Ke4 Ng5+
Kd5 Ne7+ Kc4 Nf5 Qc3+ Ke6 Kd3 Nd6 Qc5
34 < -5.09 02:16 1228M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qh7+
Kd5 Qg8+ Kc5 Qc8+ Kd5 c3 dxc3 Qxc3 Ne5 Qa5+
34 -5.09 02:23 1284M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qh7+
Kd5 Qg8+ Kc5 Qc8+ Kd5 c3 dxc3 Qxc3 Ne5 Qa5+ Kd6
Qa6+ Kd5 Qb7+ Kd6 Qb8+ Kd5 Qd8+ Ke4 Qh4+ Kd5 Qh1+
Ke6 Ke3 Nb3 Qh3+ Kd6 Ke4 Nd2+ Kf4 Ndc4 Qg2 Kc5
Qg1+ Kb4 Ke4 Nd7 Qd4 Nc5+ Kd5
35 < -5.21 03:11 1760M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q
35 < -5.33 04:00 2224M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+
Kd5 Qa2 Kc5 Kg3 Kb5 Kf4 Kb4 Ke4 Kb5 Kd5
35 -5.33 04:13 2345M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+
Kd5 Qa2 Kc5 Kg3 Ne5 Qa5+ Nb5 Qxd2 Nxc4 Qf2+ Kb4
Qf5 Nd4 Qd5 Nb5 Kf3 Nbd6 Ke2 Nb5 Qg5 Nbd6 Kd3 Nb6
Qf4+ Kc5 Qd4+ Kc6 Qf6 Nc4 Kd4 Nd2
36 -5.33 05:03 2806M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+
Kd5 Qa2 Kc5 Kg3 Ne5 Qa5+ Nb5 Qxd2 Nxc4 Qf2+ Kb4
Qf5 Nd4 Qd5 Nb5 Kf3 Nbd6 Ke2 Nb5 Qg5 Nbd6 Kd3 Nb6
Qf4+ Kc5 Qd4+ Kc6 Qf6 Nc4 Qf4 Nb6 Kd4 Nbc4 Qg4
Nd2 Qf4 Nb3+ Ke5 Nc5 Qf3+
37 > -5.21 06:18 3573M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+
Kd5 Qa2 Kc5 Kg3 Ne5 Qa5+ Nb5 Qxd2 Nxc4 Qf2+ Kd5
Qf5+ Kc6 Qc8+ Kd5 Qg8+ Kc5 Qg5+ Kc6 Kf3 Nbd6
37 -5.21 06:20 3588M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+
Kd5 Qa2 Kc5 Kg3 Ne5 Qa5+ Nb5 Qxd2 Nxc4 Qf2+ Kd5
Qf5+ Kc6 Qf3+ Kc5 Qh5+ Kb4 Qf5 Nd4 Qd5 Nb5 Kf4
Nbd6 Qh5 Nb5 Qf5 Nc3 Qf8+ Kb5 Qh8 Ne2+ Kf3 Nc1
Qh5+ Kc6 Kf4 Nd3+ Ke4 Nc5+ Kd4
38 > -5.09 06:45 3825M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1
38 < -5.33 07:59 4579M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+
Kd5 Qa2 Kc5 Kg3 Ne5 Qa5+ Nb5 Qxd2 Kxc4 Qf4+ Kd5
Qf1 Nc3 Kf4 Ng6+ Kf5 Ne7+ Kf6 Ng8+ Kg7
38 -5.17 09:37 5519M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+
Kd5 Qa2 Kc5 Kg3 Ne5 Qxd2 Nxc4 Qg5+ Kc6 Qg8 Nf5+
Kf3 Nfd6 Qa8+ Kc5 Kf4 Nb5 Qc8+ Kb4 Qg8 Nbd6 Qg5
Kb3 Qc5 Kc3 Qd5 Kb4 Qc6 Nb5 Qh6 Kc5 Qh5+ Kb4 Qg4
Kc3 Qh3+ Kd4
39 < -5.29 10:57 6285M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q
39 < -5.41 13:42 7897M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q
39 -5.41 15:37 8985M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+
Kd5 Qa2 Kc5 Kg3 Ne5 Qxd2 Nxc4 Qg5+ Kd6 Qg8 Ne6
Kf3 Ne5+ Ke4 Nc5+ Kf5 Ned3 Qg2 Nb4 Qg6+ Kd5 Qg8+
Kd4 Qg4+ Kc3 Ke5 Ncd3+ Kd6 Kd2 Qg7 Kc2 Ke6 Nc5+
Ke5 Kc3 Qg1 Ncd3+ Ke4 Nc2 Qg7+ Kd2 Qd7 Nb4 Qd4
Kd1 Qc3 Ke2 Qc8 Kd2 Qd7 Ke2 Qg4+
40 -5.45 22:41 13174M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+
Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+
Kd5 Qa2 Kc5 Kg3 Ne5 Qxd2 Nxc4 Qg5+ Kd6 Qg8 Ne6
Kf3 Ne5+ Ke4 Nc5+ Kf5 Ned3 Qg2 Nb4 Qg6+ Kd5 Qg8+
Kd4 Qg4+ Kc3 Ke5 Ncd3+ Kd6 Kd2 Qg7 Kc2 Ke6 Nc5+
Ke5 Kc3 Qg1 Ncd3+ Ke4 Nc2 Qg7+ Kd2 Qg5+ Kc3 Qf6+
Kd2 Qd6 Nb4 Qd4 Kc2 Qh8 Kd2 Qh2+ Kc3 Qc7+ Kd2 Qc4
Nf2+ Kd4 Nc2+ Ke5 Ne3 Qb4+ Ke2 Qb5+ Kf3 Qc6+ Ke2
41 < -5.62 32:25 19037M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q
41 -5.41 40:38 24067M Kc6 g1=Q Nxh4 Qb1 Nhf3 Qb4 Kd5 c3 dxc3 Qxc3 Kd6
Qa3+ Kd5 Qb3+ Ke4 Qc2+ Kd5 Qc1 Ke4 Qb1+ Kd5 Qb5+
Kd4 Qb2+ Kd5 Qb1 Kd4 Qb7 Ke3 Qb4 Kd3 Qa4 Ke3 Qa2
Ke4 Qb3 Kd4 Qb4+ Ke3 Qc5+ Ke4 Qc2+
42 -5.41 42:41 25350M Kc6 g1=Q Nxh4 Qb1 Nhf3 Qb4 Kd5 c3 dxc3 Qxc3 Kd6
Qa3+ Kd5 Qb3+ Ke4 Qc2+ Kd5 Qc1 Ke4 Qb1+ Kd5 Qb5+
Kd4 Qb2+ Kd5 Qb1 Kd4 Qb5 Ke4 Qe2+ Kf4 Qa6 Ke4
Qb7+ Kd4 Qb4+ Kd5 Qb6 Ke4 Qb3 Kd4 Qb7 Kc5
43 < -5.49 45:47 27228M Kc6 g1=Q Nxh4 Qb1 Nhf3 Qc1 Kc5 c3 dxc3 Qxc3+ Kd6
Qa3+ Kd5 Qc1 Nd4 Kg5 Ndf3+ Kf6 Nd7+ Kf5 Nd4+ Kg5
Ne6+ Kg6 Ne5+ Kf6 Ng4+ Kf5 Nf2 Qb1
43 < -5.58 56:00 33482M Kc6 g1=Q Nxh4 Qb1 Nhf3 Qc1 Kd6 c3 dxc3 Qxc3 Kd5
Qa5+ Ke6 Qa2+
43 -5.41 1:07:17 40406M Kc6 g1=Q Nxh4 Qc1 Nhf3 Qa3 Kd5 Qa4 Kc5 Qa2 Kc6
Qb3 Kc5 c3 dxc3 Qxc3+ Kd5 Qb3+ Ke4 Qb4+ Kd5 Qb6
Ke4 Qb7+ Kd4 Qb1 Kc5 Qb3 Kd4 Qd1+ Ke4 Qe2+ Kd5
Qb5+ Kd4 Qa4+ Kd5 Qb4 Ke6 Qb3+ Kf5 Qb1+ Kf4 Qb4+
Kf5 Qc3 Ke4 Qc1 Kd5 Qc2 Kd4 Qc7 Ke4 Qd6 Nd4 Qc5
Ndf3
44 -5.41 1:12:56 43954M Kc6 g1=Q Nxh4 Qc1 Nhf3 Qa3 Kd5 Qa4 Kc5 Qa2 Kc6
Qb3 Kd6 c3 dxc3 Qxc3 Kd5 Qb3+ Ke4 Qb4+ Kd5 Qa5+
Kd4 Qb6+ Kd5 Qb5+ Kd4 Qa4+ Kd5 Qb4 Ke6 Qb3+ Kf5
Qb1+ Kf4 Qb4+ Kf5 Qc3 Ke4 Qc1 Kd5 Qc2 Kd4 Qd1+
Ke4 Qe2+ Kd4 Qc2 Kd5 Qc1 Ke4 Qd1 Kf5 Qc2+ Ke6 Qe4
Kd6 Qf5 Kd5 Qf4 Kd6 Qf5
45 > -5.33 1:33:01 56462M Kc6 g1=Q Nxh4 Qc1 Nhf3 c3 dxc3 Qxc3+ Kd5 Qb3+ Ke4
Qb4+ Kd5 Qb7+ Kd6 Qe4 Kc5 Qe3+ Kd5 Qf4 Kd6
45 -5.37 1:37:08 58966M Kc6 g1=Q Nxh4 Qc1 Nhf3 c3 dxc3 Qxc3+ Kd5 Qb3+ Ke4
Qb4+ Kd5 Qb7+ Kd6 Qe4 Kc5 Qe3+ Kd5 Qf4 Kd6 Qc1
Kd5 Qd1+ Ke6 Qd8 Kf5 Qd5 Kf4 Qd1 Kf5 Qc2+ Ke6 Qb1
Kd5 Qb4 Ke6 Qb6+ Kd5 Qb5+ Ke4 Qb7+ Kd4 Qg7 Ke4
Qf6 Ke3 Qd6 Ke4 Qc5 Kd3 Qb4 Ke3 Qa4 Nd4 Qa3+ Ke4
Qa8+ Kf4 Qa6 Ndf3 Qa4+ Ke3 Qb4
Nodes: 67260547651
Nodes/second: 10159364
Best move: Kc6
Ponder move: g1=Q
Code: Select all
New game
8/8/7p/3KNN1k/2p4p/8/3P2p1/8 w - - 0 1
Analysis by Naum 4:
+- (3.66) 1.Nf3 Kg4 2.Kxc4 Kxf5 3.Kc5 Ke4 00:00:00
+- (4.00) 1.Nf3 Kg4 2.Ke4 h3 3.Nxh6+ Kg3 4.Ke3 00:00:00
+- (2.19) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 Kg3 4.Nf5+ Kf2 00:00:00
+- (3.59) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 Kg3 4.Nf5+ Kf2 5.N5xh4 00:00:00
+/= (0.32) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 h3 4.Nf5 h5 5.Nh2+ Kg5 00:00:00
+/= (0.32) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 h3 4.Nf5 h5 5.Nh2+ Kg5 6.Nd4 00:00:00
= (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Nh2+ Kg3 4.Nf5+ Kxh2 5.Nxh4 h5 6.Kxc4 Kg3 00:00:01
= (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Nh2+ Kg3 4.Nf5+ Kxh2 5.Nxh4 h5 6.Kxc4 Kg3 7.Nxg2 00:00:01
+/- (0.80) 1.Ng3+ hxg3 2.Nf3 Kg4 3.Ng1 Kf5 4.Kxc4 Ke6 5.Kd4 h5 6.Ke4 h4 7.Kf3 00:00:02
+/- (1.13) 1.Ng3+ hxg3 2.Nf3 Kg4 3.Ng1 Kf5 4.Kxc4 Ke6 5.Kd4 h5 6.Ke4 h4 7.Nh3 Kf6 00:00:02
= (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:04
= (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:05
= (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:06
= (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:08
= (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:12
= (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:18
zullil wrote:Stockfish-1.7.1 (8 threads) builds a fortress:Robert Flesher wrote:I will be shocked if any engine can solve this!
8/8/7p/3KNN1k/2p4p/8/3P2p1/8 w - - 2 12
what is your evaluation of this position?
Code: Select all
Searching: 8/8/7p/3KNN1k/2p4p/8/3P2p1/8 w - - infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0 2 +0.93 00:01 266 Nf3 h3 Kxc4 3 +1.37 00:01 444 Nf3 h3 Ke4 4 -0.28 00:01 1312 Nf3 h3 Ng7+ Kg4 Ke4 4 +0.65 00:01 2230 Ng7+ Kg5 Ne6+ Kf6 Nf3 h3 5 +0.69 00:01 2821 Ng7+ Kg5 Ne6+ Kf6 Nf3 h3 Ng1 6 < +0.28 00:01 6002 Ng7+ Kg5 Ne6+ Kf6 Nf3 h3 Ng1 h2 6 < -0.12 00:01 8347 Ng7+ Kg5 Ne6+ Kf6 Nf3 h3 Ng1 h2 6 +0.44 00:01 10442 Ng7+ Kg5 Nf3+ Kg4 Ke4 h3 Nf5 h5 Nd6 Kg3 Nxc4 7 < +0.15 00:01 15035 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Kxc4 h3 Kd4 h2 7 < -0.12 00:01 17400 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Kxc4 h3 Kd4 h2 7 -0.53 00:01 19636 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ke4 h3 Nf3 Kg3 Nf5+ Kf2 Nxh6 8 -1.33 00:01 45308 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ne6 h3 Nxh3 Kxh3 Nf4+ Kg3 Nxg2 Kxg2 Kxc4 h5 Kd3 h4 Ke4 9 -2.06 00:01 90656 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ne6 h3 Nxh3 Kxh3 Nf4+ Kg3 Ne2+ Kf2 Nf4 Kf3 Nh3 Kg3 Ng1 Kf2 Nh3+ Kf1 Kxc4 10 < -3.19 00:01 145038 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ne6 h3 Nxh3 Kxh3 Nf4+ Kg3 Ne2+ Kf2 Nf4 Kf3 Nh3 Kg3 Ng1 h5 Kxc4 h4 d4 h3 d5 h2 Ne2+ Kf2 10 -1.90 00:01 163583 Ng3+ hxg3 Nf3 Kg4 Ke4 h5 Ne5+ Kh4 Nf3+ Kh3 Ke3 h4 Kf4 g1=N Nxg1+ Kg2 Ne2 Kf2 Nd4 11 < -2.42 00:01 183403 Ng3+ hxg3 Nf3 Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf4 g1=N Nxg1+ Kg2 Ne2 Kf2 Nd4 h3 11 < -2.95 00:01 231835 Ng3+ hxg3 Nf3 Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf4 g1=N Nxg1+ Kg2 Ne2 Kf2 Nd4 h3 11 -2.67 00:01 247590 Ng3+ hxg3 Nf3 Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf5 g1=N Nxg1+ Kg2 Ne2 Kf1 Nf4 g2 Nh3 Ke1 12 < -3.52 00:01 272106 Ng3+ hxg3 Nf3 Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf5 g1=N Nxg1+ Kg2 Ne2 Kf2 Nf4 g2 Nxg2 Kxg2 12 > -1.82 00:01 304259 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ne6 h3 Nxh3 Kxh3 Nf4+ Kg3 Ne2+ Kf2 Nf4 Kf3 Nh3 Kg3 Ng1 h5 Kxc4 h4 d4 h3 d5 h2 Ne2+ Kf2 12 -1.98 00:01 328008 Ng7+ Kg5 Nf3+ Kf4 Ng1 Kg4 Ne6 h3 Nxh3 Kxh3 Nf4+ Kg3 Ne2+ Kf2 Nf4 Kf3 Nh3 h5 Kxc4 Kg3 Ng1 h4 d4 h3 d5 h2 Ne2+ Kf2 13 < -3.07 00:01 627522 Ng7+ Kg5 Nf3+ Kg4 Ke4 h3 Nf5 g1=Q Nxg1 h2 Nxh6+ Kh5 13 -2.18 00:01 886707 Ng7+ Kg5 Nf3+ Kg4 Ne5+ Kf4 Nh5+ Kg5 Ng3 hxg3 Nf3+ Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf5 g1=N Nxg1+ Kg2 Ne2 Kf2 Nf4 g2 Nxg2 Kxg2 14 < -2.75 00:01 1175k Ng7+ Kg5 Nf3+ Kg4 Ne5+ Kf4 Nh5+ Kg5 Ng3 hxg3 Nf3+ Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf5 g1=N Nxg1+ Kg2 Ne2 Kf2 Nf4 g2 Nxg2 Kxg2 14 < -3.31 00:01 1387k Ng7+ Kg5 Nf3+ Kg4 Ne5+ Kf4 Nh5+ Kg5 Ng3 hxg3 Nf3+ Kg4 Ke4 h5 Ne5+ Kh3 Nf3 h4 Kf5 g1=N Nxg1+ Kg2 Ne2 Kf2 Nf4 g2 Nxg2 Kxg2 14 -4.00 00:01 1785k Ng7+ Kg5 Nf3+ Kg4 Ne5+ Kf4 Nh5+ Kg5 Ng3 hxg3 Ke4 g1=N Nf7+ Kg4 Nxh6+ Kh3 Nf5 g2 Nd4 Kg4 Nf5 Nf3 Ne3+ Kg3 Nxg2 Kxg2 Ke3 Kg3 d3 15 -3.88 00:01 2556k Ng7+ Kg5 Nf3+ Kg4 Ne5+ Kf4 Nh5+ Kg5 Ng3 hxg3 Ke4 g1=N Nf7+ Kg4 Nxh6+ Kh3 Nf5 g2 Nd4 Kg4 Nf5 Nf3 Ne3+ Kg3 Nxg2 Kxg2 Ke3 Kg3 d4 Kg4 d5 Ne5 Kd4 Kf5 d6 Ke6 16 -4.32 00:01 5181k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke5 c3 dxc3 Qxc3 Nh4+ Kf7 Nf5 Qc5+ Ke4 Kf6 17 -4.53 00:02 6707k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke5 c3 dxc3 Qxc3 Nh4+ Kf7 Nf5 Qc5+ Kf4 Kf6 Ke4 Qe5+ Kd3 Qd5 18 -4.53 00:02 9769k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 Ke5 Kg4 Nh2+ Kh3 Nf3 Kg2 N5d4 Kg3 Ke4 Qb7+ Ke5 Qa8 Kd6 Kf4 Kc5 Qc8+ Kd5 Qg8+ Kc5 Ke4 19 < -4.65 00:02 12902k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 Ke5 Kg4 Nh2+ Kh3 Nf3 Kg2 N5d4 Kg3 Ke4 Qb7+ Ke5 Qa8 Kd6 Kf4 Kc5 Qc8+ Kd5 Qg8+ Kc5 Ke4 19 -4.65 00:03 13850k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke3 Qe7+ Kf4 Kf6 Nc6 Qc7+ Nce5 c3 dxc3 Qxc3 Ke4 Qb4+ Kd5 Qb7+ Kd6 Qe4 20 -4.65 00:03 17550k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Nc6 Qd6+ Nce5+ Kf6 Ke4 Qb4 Kd5 c3 dxc3 Qxc3 Nd7+ Ke7 Nde5 Qa5+ Ke4 Qb4+ Nd4 Kd6 Nc6 Qe1+ Kf4 21 < -4.73 00:04 22827k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Nc6 Qd6+ Nce5+ Kf6 Ke4 Qb4 Kd5 c3 dxc3 Qxc3 Nd7+ Ke7 Nde5 Qa5+ Ke4 Qb4+ Nd4 Kd6 Nc6 Qe1+ Kf4 Qc1+ Ke4 Qg5 21 -4.77 00:05 28505k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Nc6 Qd6+ Nce5+ Kf6 Ke4 Qb4 Nc6 Qb1+ Kd5 Qd3+ Ncd4 c3 dxc3 Qxc3 Ke4 Qc5 Ke3 Qa3+ Ke4 Qd6 Kd3 Qa3+ Kc4 Qa6+ Kd5 Qa3 Kc4 22 -4.73 00:05 35999k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Nc6 Qd6+ Nce5+ Kf6 Ke4 Qb4 Nc6 Qb1+ Kd5 Qd3+ Ncd4 c3 dxc3 Qxc3 Ke4 Qc5 Ke3 Qa3+ Ke4 Qd6 Kd3 Qd5 Ke3 Ke7 23 -4.73 00:07 46222k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Nc6 Qd6+ Nce5+ Kf6 Ke4 Qb4 Nc6 Qb1+ Kd5 Qd3+ Nfd4 Qxd2 Kxc4 Qc1+ Kd5 Qg5+ Ke4 Qg4+ Kd5 Qg2+ Kc4 Qe4 Kc5 Kg5 Nb4 Kf4 Nd5+ Ke5 24 < -4.81 00:09 66033k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke3 Qe7+ Kf4 Kf6 Nf5 Qc7+ Ke4 c3 dxc3 Qc6+ Kf4 Qxc3 N3d4 Qa5 Ke3 Qe5+ Kd3 Qf4 Ne3 Ke5 Nc4+ Kf6 Ne3 24 -4.81 00:10 70615k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke3 Kf6 Ne5 c3 dxc3 Qxc3+ Nd3 Qc7 Nf3 Qd6 Nd4 Qd5 Nb4 Qd7 Kd3 Ke5 25 -4.81 00:11 82503k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke3 Kf6 Ne5 c3 dxc3 Qxc3+ Nd3 Qc7 Nf3 Qa5 Nd4 Qg5+ Ke4 Qg6+ Ke3 Qg4 Nf3 Qd7 Nd2 Qa7+ Kf4 Qc7+ Ke4 Qc6+ Kd4 Kf5 26 > -4.73 00:13 97704k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6 Kd5 c3 dxc3 Qxc3 Ke4 Qb4 Kd3 Qa3+ Ke4 Qe7+ Kd5 Qf7+ Kc5 Qh5+ Kc4 Qf7+ Kc5 26 -4.73 00:13 99297k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6 Kd5 c3 dxc3 Qxc3 Ke4 Qb4 Kd3 Qa3+ Ke4 Qe7+ Kd5 Qf7+ Kc5 Qc7+ Kd5 Qa5+ Ke4 Qa8+ Ke3 Qd5 Kf4 Qd7 Ke3 Qb7 Kd3 Qd5 Ke3 Ke7 Nd2 Qg5+ Kd3 27 -4.73 00:16 130444k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6 Kd5 c3 dxc3 Qxc3 Ke4 Qb4 Kd3 Qa3+ Ke4 Qe7+ Kd5 Qf7+ Ke4 Qb7+ Kd3 Qb4 Ke4 Qc3 Kd5 Qa5+ Ke4 Qa8+ Ke3 Qd5 Kf4 Ke7 Nf5+ Ke6 Ng5+ Kf6 Ne4+ Ke6 Ng5+ 28 < -4.81 00:21 170271k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6 Kd5 c3 dxc3 Qxc3 Ke4 Qb4 Kd3 Qa3+ Ke4 Qa8+ Ke3 Ke7 Kf4 Kd6 Nf5+ Kc5 Ke3 Qd5 Kf4 Qd3 Ne5 Qd2+ Ke4 Qb4+ Ke3 Kd5 28 -4.81 00:22 179640k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6 Nc6 Qb1+ Kd5 Qb5+ Kd6 Qb3 Nfd4 Qd3 Kd5 Qxd2 Kxc4 Qg5 Kd3 Qg6+ Kc4 Kg5 Kd5 Kf4 Ne6+ Ke3 Ke5 Qg3+ Kd5 Qg2+ Kd6 Qe4 Ne5 Qb4+ Kc6 Ke4 Nc5+ Kxe5 Nd3+ 29 -4.85 00:30 254266k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6 Nc6 Qb1+ Kd5 Qb5+ Kd6 Qb3 Nfd4 Qd3 Kd5 Qxd2 Kxc4 Qg5 Kd3 Qg6+ Kc4 Kg5 Kd5 Kf4 Ne6+ Ke3 Ke5 Qg3+ Kd5 Qg2+ Kd6 Qh2+ Kd5 Qh1+ Kc5 Qe4 Ncd4 Qe5+ Kc4 Ke4 30 -4.85 00:39 333065k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6 Nc6 Qb1+ Kd5 Qb5+ Kd6 Qb3 Nfd4 Qd3 Kd5 Qxd2 Kxc4 Qg5 Kd3 Qg6+ Kc4 Kg5 Kd5 Kf4 Ne6+ Ke3 Ke5 Qg3+ Kd5 Qg2+ Kd6 Qh2+ Kd5 Qh1+ Kc5 Qc1+ Kd5 Qb1 Ne5 Qe4+ Kd6 Qb4+ Kc6 Ke4 Nc5+ Kxe5 Nd3+ 31 < -4.93 00:54 472029k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6 Nc6 Qb3 Nfe5 Qc2+ Ke3 Qc1 Ke2 c3 Ng4+ Kg5 31 -4.93 00:58 504981k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6 Nc6 Qb3 Ncd4 Qb7+ Kf4 Qc7+ Ke3 c3 dxc3 Qxc3+ Ke4 Qb4 Kd3 Qb1+ Ke3 Qg6 Kd2 Qe4 Kc3 Ke7 Kb4 Kd6 Kc4 Qf4 Kd3 Kd5 32 -4.93 01:12 635044k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Qb1+ Kf4 Qb4 N5d4 Kg6 Ke4 Kf6 Nc6 Qb3 Ncd4 Qb7+ Kf4 Qc7+ Ke3 Qd6 Ke4 Qc5 Ke3 Qd5 Kf4 Qd7 Ke3 Qe7+ Kf4 Qe8 Kg3 Qe4 Kf2 Qd3 Nc6 Qd6 Ncd4 Qa3 Ke2 Qd3+ Kf2 c3 dxc3 Qxc3 Ke2 Kg6 Nh4+ Kg5 Nhf5 Kf6 33 < -5.01 01:40 900694k Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 33 -5.01 01:53 1014M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qh7+ Kd5 Qg8+ Kc5 Qc8+ Kd5 c3 dxc3 Qxc3 Ne5 Qa5+ Kd6 Qa6+ Kd5 Qa8+ Nec6 Qg8+ Ke4 Qg2+ Ke5 Ke3 Nf5+ Kd2 Ncd4 Kd3 Ne6 Qe4+ Kf6 Qb4 Ke5 Qe1+ Kf6 Ke4 Ng5+ Kd5 Ne7+ Kc4 Nf5 Qc3+ Ke6 Kd3 Nd6 Qc5 34 < -5.09 02:16 1228M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qh7+ Kd5 Qg8+ Kc5 Qc8+ Kd5 c3 dxc3 Qxc3 Ne5 Qa5+ 34 -5.09 02:23 1284M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qh7+ Kd5 Qg8+ Kc5 Qc8+ Kd5 c3 dxc3 Qxc3 Ne5 Qa5+ Kd6 Qa6+ Kd5 Qb7+ Kd6 Qb8+ Kd5 Qd8+ Ke4 Qh4+ Kd5 Qh1+ Ke6 Ke3 Nb3 Qh3+ Kd6 Ke4 Nd2+ Kf4 Ndc4 Qg2 Kc5 Qg1+ Kb4 Ke4 Nd7 Qd4 Nc5+ Kd5 35 < -5.21 03:11 1760M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q 35 < -5.33 04:00 2224M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+ Kd5 Qa2 Kc5 Kg3 Kb5 Kf4 Kb4 Ke4 Kb5 Kd5 35 -5.33 04:13 2345M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+ Kd5 Qa2 Kc5 Kg3 Ne5 Qa5+ Nb5 Qxd2 Nxc4 Qf2+ Kb4 Qf5 Nd4 Qd5 Nb5 Kf3 Nbd6 Ke2 Nb5 Qg5 Nbd6 Kd3 Nb6 Qf4+ Kc5 Qd4+ Kc6 Qf6 Nc4 Kd4 Nd2 36 -5.33 05:03 2806M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+ Kd5 Qa2 Kc5 Kg3 Ne5 Qa5+ Nb5 Qxd2 Nxc4 Qf2+ Kb4 Qf5 Nd4 Qd5 Nb5 Kf3 Nbd6 Ke2 Nb5 Qg5 Nbd6 Kd3 Nb6 Qf4+ Kc5 Qd4+ Kc6 Qf6 Nc4 Qf4 Nb6 Kd4 Nbc4 Qg4 Nd2 Qf4 Nb3+ Ke5 Nc5 Qf3+ 37 > -5.21 06:18 3573M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+ Kd5 Qa2 Kc5 Kg3 Ne5 Qa5+ Nb5 Qxd2 Nxc4 Qf2+ Kd5 Qf5+ Kc6 Qc8+ Kd5 Qg8+ Kc5 Qg5+ Kc6 Kf3 Nbd6 37 -5.21 06:20 3588M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+ Kd5 Qa2 Kc5 Kg3 Ne5 Qa5+ Nb5 Qxd2 Nxc4 Qf2+ Kd5 Qf5+ Kc6 Qf3+ Kc5 Qh5+ Kb4 Qf5 Nd4 Qd5 Nb5 Kf4 Nbd6 Qh5 Nb5 Qf5 Nc3 Qf8+ Kb5 Qh8 Ne2+ Kf3 Nc1 Qh5+ Kc6 Kf4 Nd3+ Ke4 Nc5+ Kd4 38 > -5.09 06:45 3825M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 38 < -5.33 07:59 4579M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+ Kd5 Qa2 Kc5 Kg3 Ne5 Qa5+ Nb5 Qxd2 Kxc4 Qf4+ Kd5 Qf1 Nc3 Kf4 Ng6+ Kf5 Ne7+ Kf6 Ng8+ Kg7 38 -5.17 09:37 5519M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+ Kd5 Qa2 Kc5 Kg3 Ne5 Qxd2 Nxc4 Qg5+ Kc6 Qg8 Nf5+ Kf3 Nfd6 Qa8+ Kc5 Kf4 Nb5 Qc8+ Kb4 Qg8 Nbd6 Qg5 Kb3 Qc5 Kc3 Qd5 Kb4 Qc6 Nb5 Qh6 Kc5 Qh5+ Kb4 Qg4 Kc3 Qh3+ Kd4 39 < -5.29 10:57 6285M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q 39 < -5.41 13:42 7897M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q 39 -5.41 15:37 8985M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+ Kd5 Qa2 Kc5 Kg3 Ne5 Qxd2 Nxc4 Qg5+ Kd6 Qg8 Ne6 Kf3 Ne5+ Ke4 Nc5+ Kf5 Ned3 Qg2 Nb4 Qg6+ Kd5 Qg8+ Kd4 Qg4+ Kc3 Ke5 Ncd3+ Kd6 Kd2 Qg7 Kc2 Ke6 Nc5+ Ke5 Kc3 Qg1 Ncd3+ Ke4 Nc2 Qg7+ Kd2 Qd7 Nb4 Qd4 Kd1 Qc3 Ke2 Qc8 Kd2 Qd7 Ke2 Qg4+ 40 -5.45 22:41 13174M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q Nxg1 h2 Nxh6+ Kh5 Nf3 h1=Q Nf5 Kg4 Ne3+ Kg3 Nf5+ Kf2 Nd4 Qb1+ Kd5 Qa2 Kc5 Kg3 Ne5 Qxd2 Nxc4 Qg5+ Kd6 Qg8 Ne6 Kf3 Ne5+ Ke4 Nc5+ Kf5 Ned3 Qg2 Nb4 Qg6+ Kd5 Qg8+ Kd4 Qg4+ Kc3 Ke5 Ncd3+ Kd6 Kd2 Qg7 Kc2 Ke6 Nc5+ Ke5 Kc3 Qg1 Ncd3+ Ke4 Nc2 Qg7+ Kd2 Qg5+ Kc3 Qf6+ Kd2 Qd6 Nb4 Qd4 Kc2 Qh8 Kd2 Qh2+ Kc3 Qc7+ Kd2 Qc4 Nf2+ Kd4 Nc2+ Ke5 Ne3 Qb4+ Ke2 Qb5+ Kf3 Qc6+ Ke2 41 < -5.62 32:25 19037M Ng7+ Kg5 Nf3+ Kg4 Nf5 h3 Ke4 g1=Q 41 -5.41 40:38 24067M Kc6 g1=Q Nxh4 Qb1 Nhf3 Qb4 Kd5 c3 dxc3 Qxc3 Kd6 Qa3+ Kd5 Qb3+ Ke4 Qc2+ Kd5 Qc1 Ke4 Qb1+ Kd5 Qb5+ Kd4 Qb2+ Kd5 Qb1 Kd4 Qb7 Ke3 Qb4 Kd3 Qa4 Ke3 Qa2 Ke4 Qb3 Kd4 Qb4+ Ke3 Qc5+ Ke4 Qc2+ 42 -5.41 42:41 25350M Kc6 g1=Q Nxh4 Qb1 Nhf3 Qb4 Kd5 c3 dxc3 Qxc3 Kd6 Qa3+ Kd5 Qb3+ Ke4 Qc2+ Kd5 Qc1 Ke4 Qb1+ Kd5 Qb5+ Kd4 Qb2+ Kd5 Qb1 Kd4 Qb5 Ke4 Qe2+ Kf4 Qa6 Ke4 Qb7+ Kd4 Qb4+ Kd5 Qb6 Ke4 Qb3 Kd4 Qb7 Kc5 43 < -5.49 45:47 27228M Kc6 g1=Q Nxh4 Qb1 Nhf3 Qc1 Kc5 c3 dxc3 Qxc3+ Kd6 Qa3+ Kd5 Qc1 Nd4 Kg5 Ndf3+ Kf6 Nd7+ Kf5 Nd4+ Kg5 Ne6+ Kg6 Ne5+ Kf6 Ng4+ Kf5 Nf2 Qb1 43 < -5.58 56:00 33482M Kc6 g1=Q Nxh4 Qb1 Nhf3 Qc1 Kd6 c3 dxc3 Qxc3 Kd5 Qa5+ Ke6 Qa2+ 43 -5.41 1:07:17 40406M Kc6 g1=Q Nxh4 Qc1 Nhf3 Qa3 Kd5 Qa4 Kc5 Qa2 Kc6 Qb3 Kc5 c3 dxc3 Qxc3+ Kd5 Qb3+ Ke4 Qb4+ Kd5 Qb6 Ke4 Qb7+ Kd4 Qb1 Kc5 Qb3 Kd4 Qd1+ Ke4 Qe2+ Kd5 Qb5+ Kd4 Qa4+ Kd5 Qb4 Ke6 Qb3+ Kf5 Qb1+ Kf4 Qb4+ Kf5 Qc3 Ke4 Qc1 Kd5 Qc2 Kd4 Qc7 Ke4 Qd6 Nd4 Qc5 Ndf3 44 -5.41 1:12:56 43954M Kc6 g1=Q Nxh4 Qc1 Nhf3 Qa3 Kd5 Qa4 Kc5 Qa2 Kc6 Qb3 Kd6 c3 dxc3 Qxc3 Kd5 Qb3+ Ke4 Qb4+ Kd5 Qa5+ Kd4 Qb6+ Kd5 Qb5+ Kd4 Qa4+ Kd5 Qb4 Ke6 Qb3+ Kf5 Qb1+ Kf4 Qb4+ Kf5 Qc3 Ke4 Qc1 Kd5 Qc2 Kd4 Qd1+ Ke4 Qe2+ Kd4 Qc2 Kd5 Qc1 Ke4 Qd1 Kf5 Qc2+ Ke6 Qe4 Kd6 Qf5 Kd5 Qf4 Kd6 Qf5 45 > -5.33 1:33:01 56462M Kc6 g1=Q Nxh4 Qc1 Nhf3 c3 dxc3 Qxc3+ Kd5 Qb3+ Ke4 Qb4+ Kd5 Qb7+ Kd6 Qe4 Kc5 Qe3+ Kd5 Qf4 Kd6 45 -5.37 1:37:08 58966M Kc6 g1=Q Nxh4 Qc1 Nhf3 c3 dxc3 Qxc3+ Kd5 Qb3+ Ke4 Qb4+ Kd5 Qb7+ Kd6 Qe4 Kc5 Qe3+ Kd5 Qf4 Kd6 Qc1 Kd5 Qd1+ Ke6 Qd8 Kf5 Qd5 Kf4 Qd1 Kf5 Qc2+ Ke6 Qb1 Kd5 Qb4 Ke6 Qb6+ Kd5 Qb5+ Ke4 Qb7+ Kd4 Qg7 Ke4 Qf6 Ke3 Qd6 Ke4 Qc5 Kd3 Qb4 Ke3 Qa4 Nd4 Qa3+ Ke4 Qa8+ Kf4 Qa6 Ndf3 Qa4+ Ke3 Qb4 Nodes: 67260547651 Nodes/second: 10159364 Best move: Kc6 Ponder move: g1=Q
John Blake wrote:On my dual core laptop, Naum 4 is the only engine to find a draw (within 10 minutes).
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New game 8/8/7p/3KNN1k/2p4p/8/3P2p1/8 w - - 0 1 Analysis by Naum 4: +- (3.66) 1.Nf3 Kg4 2.Kxc4 Kxf5 3.Kc5 Ke4 00:00:00 +- (4.00) 1.Nf3 Kg4 2.Ke4 h3 3.Nxh6+ Kg3 4.Ke3 00:00:00 +- (2.19) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 Kg3 4.Nf5+ Kf2 00:00:00 +- (3.59) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 Kg3 4.Nf5+ Kf2 5.N5xh4 00:00:00 +/= (0.32) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 h3 4.Nf5 h5 5.Nh2+ Kg5 00:00:00 +/= (0.32) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 h3 4.Nf5 h5 5.Nh2+ Kg5 6.Nd4 00:00:00 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Nh2+ Kg3 4.Nf5+ Kxh2 5.Nxh4 h5 6.Kxc4 Kg3 00:00:01 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Nh2+ Kg3 4.Nf5+ Kxh2 5.Nxh4 h5 6.Kxc4 Kg3 7.Nxg2 00:00:01 +/- (0.80) 1.Ng3+ hxg3 2.Nf3 Kg4 3.Ng1 Kf5 4.Kxc4 Ke6 5.Kd4 h5 6.Ke4 h4 7.Kf3 00:00:02 +/- (1.13) 1.Ng3+ hxg3 2.Nf3 Kg4 3.Ng1 Kf5 4.Kxc4 Ke6 5.Kd4 h5 6.Ke4 h4 7.Nh3 Kf6 00:00:02 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:04 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:05 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:06 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:08 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:12 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:18
What do you mean by "understand"? What do you mean by "see the draw"?Robert Flesher wrote:zullil wrote:Stockfish-1.7.1 (8 threads) builds a fortress:Robert Flesher wrote:I will be shocked if any engine can solve this!
8/8/7p/3KNN1k/2p4p/8/3P2p1/8 w - - 2 12
what is your evaluation of this position?
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Searching: 8/8/7p/3KNN1k/2p4p/8/3P2p1/8 w - - infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0 45 -5.37 1:37:08 58966M Kc6 g1=Q Nxh4 Qc1 Nhf3 c3 dxc3 Qxc3+ Kd5 Qb3+ Ke4 Qb4+ Kd5 Qb7+ Kd6 Qe4 Kc5 Qe3+ Kd5 Qf4 Kd6 Qc1 Kd5 Qd1+ Ke6 Qd8 Kf5 Qd5 Kf4 Qd1 Kf5 Qc2+ Ke6 Qb1 Kd5 Qb4 Ke6 Qb6+ Kd5 Qb5+ Ke4 Qb7+ Kd4 Qg7 Ke4 Qf6 Ke3 Qd6 Ke4 Qc5 Kd3 Qb4 Ke3 Qa4 Nd4 Qa3+ Ke4 Qa8+ Kf4 Qa6 Ndf3 Qa4+ Ke3 Qb4 Nodes: 67260547651 Nodes/second: 10159364 Best move: Kc6 Ponder move: g1=Q
Correct move, too bad Stockfish does not see the draw and understand the fortress!
Fixed. The original FEN was broken.Ovyron wrote:I get this error after entering this thread:
Invalid FEN [14]: char 34 missing halfmove clock
Yes, thats true, after letting the computer think for a lot longer.Robert Flesher wrote:John Blake wrote:On my dual core laptop, Naum 4 is the only engine to find a draw (within 10 minutes).
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New game 8/8/7p/3KNN1k/2p4p/8/3P2p1/8 w - - 0 1 Analysis by Naum 4: +- (3.66) 1.Nf3 Kg4 2.Kxc4 Kxf5 3.Kc5 Ke4 00:00:00 +- (4.00) 1.Nf3 Kg4 2.Ke4 h3 3.Nxh6+ Kg3 4.Ke3 00:00:00 +- (2.19) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 Kg3 4.Nf5+ Kf2 00:00:00 +- (3.59) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 Kg3 4.Nf5+ Kf2 5.N5xh4 00:00:00 +/= (0.32) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 h3 4.Nf5 h5 5.Nh2+ Kg5 00:00:00 +/= (0.32) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ke4 h3 4.Nf5 h5 5.Nh2+ Kg5 6.Nd4 00:00:00 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Nh2+ Kg3 4.Nf5+ Kxh2 5.Nxh4 h5 6.Kxc4 Kg3 00:00:01 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Nh2+ Kg3 4.Nf5+ Kxh2 5.Nxh4 h5 6.Kxc4 Kg3 7.Nxg2 00:00:01 +/- (0.80) 1.Ng3+ hxg3 2.Nf3 Kg4 3.Ng1 Kf5 4.Kxc4 Ke6 5.Kd4 h5 6.Ke4 h4 7.Kf3 00:00:02 +/- (1.13) 1.Ng3+ hxg3 2.Nf3 Kg4 3.Ng1 Kf5 4.Kxc4 Ke6 5.Kd4 h5 6.Ke4 h4 7.Nh3 Kf6 00:00:02 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:04 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:05 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:06 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:08 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:12 = (0.00) 1.Ng7+ Kg5 2.Nf3+ Kg4 3.Ne5+ Kg5 00:00:18
This is being looked at by a few at talkchess, but ng7+ appears to lose as well.