[fen]rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R w KQ - 0 1[/fen]
I found this position in Twitter, and tried with several engines. The only one to solve it from my -not very large- list was Critter 1.6 in 1.20s and ply 15. I let SF thinking beyond ply 30 but found nothing at all.
One would expect SF to easily find a mate in 8 starting with a queen sacrifice, but here we are.
A hard mate in 8 for SF but trivial por Criter 1.6
Moderator: Ras
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pocpit
- Posts: 18
- Joined: Sat Aug 15, 2020 3:17 pm
- Full name: Emilio Diaz
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Uri Blass
- Posts: 11068
- Joined: Thu Mar 09, 2006 12:37 am
- Location: Tel-Aviv Israel
Re: A hard mate in 8 for SF but trivial por Criter 1.6
Stockfish could solve the position after less than 2 minutes but there are clearly faster engines
FEN: rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R w KQ - 0 1
Slow64-avx2 [001]:
2/1 00:00 128 0 -1.00 Nb1-c3 Nb8-c6
3/2 00:00 517 0 -0.84 Nb1-c3 Nb8-c6 Nc3-d5
4/4 00:00 756 0 -0.80 Nb1-c3 Bd6-b4 Ra1-b1 Bb4xc3+ b2xc3
5/5- 00:00 899 0 -1.05 Nb1-c3 Bd6-b4
5/6+ 00:00 2k 0 -0.56 Bc4-d3
5/6 00:00 2k 0 -0.72 Bc4-d3 h6-h5 Bd3xf5+ Kg6xf5 Nb1-c3
6/8- 00:00 2k 0 -0.97 Bc4-d3 h6-h5
6/8+ 00:00 3k 0 -0.96 Qd1-f3
6/8 00:00 4k 0 -0.72 Qd1-f3 Nb8-c6 Qf3-d5 h6-h5 c2-c3 Nc6-e7 Qd5-f7+
7/8- 00:00 4k 0 -0.97 Qd1-f3 Nb8-c6
7/9+ 00:00 5k 0 -0.96 Bc4-d3
7/11 00:00 9k 899k -0.56 Bc4-d3 Nb8-c6 Qd1-g4+ Kg6-f7 Qg4xf5 Nc6-e7 Bd3-c4+ Kf7-g7 Qf5-h5 Ne7-g6
8/12 00:00 17k 1,696k -0.52 Bc4-d3 Nb8-c6 Qd1-g4+ Kg6-f7 Qg4-h5+ Kf7-g7 Bd3xf5 Nc6-e7 Bf5-d3 Bd6-b4+ c2-c3
9/12 00:00 25k 2,500k -0.60 Bc4-d3 Nb8-c6 Qd1-g4+ Kg6-f7 Bd3xf5 Nc6-e7 Qg4-h5+ Kf7-f8 Bf5-e4 Kf8-g7
10/14+ 00:00 80k 2,664k -0.36 Bc4-d3
10/14 00:00 107k 3,564k -0.52 Bc4-d3 Nb8-c6 g2-g4 Kg6-f7 g4xf5 Kf7-f8 Nb1-c3 Qd8-e7 Qd1-h5
10/14+ 00:00 118k 2,940k -0.51 Qd1-f3
10/14 00:00 193k 3,857k +0.08 Qd1-f3 Nb8-c6 Nb1-c3 Bd6-b4 g2-g4 Bb4xc3+ b2xc3 d7-d6 g4xf5+ Kg6-h7 O-O-O
10/14 00:00 240k 3,426k -0.28 Qd1-f3 Nb8-c6 Nb1-c3 Bd6-b4 g2-g4 Bb4xc3+ b2xc3 Kg6-h7 Qf3xf5+ Kh7-g7 O-O-O d7-d6
11/15 00:00 324k 4,056k -0.40 Qd1-f3 Kg6-g7 Qf3xf5 Bd6-b4+ c2-c3 d7-d5 Qf5xd5 Qd8xd5 Bc4xd5 Bb4-d6 c3-c4 Nb8-c6 Nb1-c3
12/20 00:00 765k 4,503k -0.51 Qd1-f3 Nb8-c6 g2-g4 f5-f4 Nb1-d2 f4xe3 f2xe3 b7-b5 Bc4-d3+ Kg6-f7 O-O-O Qd8-e7 Nd2-e4 Kf7-g7 Bd3xb5 Ra8-b8 Bb5-d3
12/20+ 00:00 825k 4,585k -0.50 Nb1-d2
12/20 00:00 912k 4,561k -0.36 Nb1-d2 Bd6-b4 Bc4-d3 Bb4xd2+ Ke1xd2 Kg6-f7 Qd1-h5+ Kf7-e7 g2-g4 f5xg4 Qh5xg4 d7-d5 Qg4-g7+ Ke7-d6
13/20+ 00:00 1,390k 4,792k -0.12 Nb1-d2
13/20 00:00 1,429k 4,764k -0.24 Nb1-d2 Bd6-b4 c2-c3 d7-d5 Bc4-d3 Bb4-d6 Qd1-g4+ Kg6-f7 Bd3xf5 Bc8xf5 Qg4xf5 c7-c6 c3-c4 Qd8-e7 O-O Qe7-d7 Qf5-h5+ Kf7-g7 c4xd5 c6xd5 Qh5xd5
13/24 00:00 1,574k 4,920k -0.32 Nb1-d2 Bd6-b4 c2-c3 d7-d5 Bc4-d3 Bb4-d6 Qd1-g4+ Kg6-f7 Bd3xf5 Nb8-c6 Qg4-h5+ Kf7-g7 Bf5xc8 Qd8xc8 Qh5xd5 Qc8-g4 Qd5-b5 h6-h5 Qb5xb7
13/24+ 00:00 1,615k 4,894k -0.31 Bc4-d3
14/24 00:00 1,722k 4,921k -0.39 Nb1-d2 Kg6-g7 Bc4-d3 Nb8-c6 Bd3xf5 Nc6-e7 Qd1-g4+ Kg7-f8 Bf5-d3 Qd8-e8 Qg4-f3 Qe8-f7 O-O-O h6-h5 Kc1-b1 f6-f5 Kb1-a1 Qf7-g6 Nd2-c4
15/27 00:00 2,384k 4,966k -0.32 Nb1-d2 Kg6-g7 Bc4-d3 Nb8-c6 Bd3xf5 Nc6-e7 Qd1-g4+ Kg7-f8 Bf5-d3 Qd8-e8 Qg4-f3 Qe8-f7 O-O-O h6-h5 Nd2-e4 f6-f5 Ne4xd6 c7xd6 h2-h3 Qf7xa2 g2-g4 Qa2-a1+ Kc1-d2 Qa1-a5+ Kd2-e2
15/27+ 00:00 2,460k 5,020k +M8 Qd1-h5+
15/27+ 00:00 2,460k 5,021k +M8 Qd1-h5+
15/27 00:00 2,462k 5,024k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
16/27 00:00 2,464k 5,029k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
17/27 00:00 2,468k 5,037k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
18/27 00:00 2,473k 5,046k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
19/27 00:00 2,491k 5,084k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
20/27 00:00 2,504k 5,008k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
21/27 00:00 2,557k 5,013k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
22/27 00:00 2,645k 4,990k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
23/27 00:00 2,753k 5,099k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
FEN: rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R w KQ - 0 1
Spike 1.4:
0 00:00 0 0 +0.35
1 00:00 67 195 +0.83 h2-h4
1 00:00 118 344 +0.83 h2-h4
2 00:00 158 460 -0.36 h2-h4 Kg6-g7
2 00:00 233 679 +0.40 Qd1-f3 Nb8-c6
2 00:00 366 366k +0.40 Qd1-f3 Nb8-c6
3 00:00 743 743k +0.88 Qd1-f3 Nb8-c6 h2-h4
3 00:00 893 893k +0.88 Qd1-f3 Nb8-c6 h2-h4
4 00:00 1k 1,398k +0.39 Qd1-f3 Nb8-c6 h2-h4 b7-b6
4 00:00 2k 1,739k +0.39 Qd1-f3 Nb8-c6 h2-h4 b7-b6
5 00:00 3k 1,597k +0.50 Qd1-f3 Nb8-c6 h2-h4 b7-b5 Bc4xb5
5 00:00 4k 1,757k +0.50 Qd1-f3 Nb8-c6 h2-h4 b7-b5 Bc4xb5
6 00:00 6k 1,912k +0.17 Qd1-f3 Nb8-c6 h2-h4 b7-b5 Bc4xb5 Kg6-g7 Qf3xf5
6 00:00 15k 4,873k +0.51 Bc4-d3 h6-h5 g2-g4 Kg6-g7 g4xh5 Qd8-e8
6 00:00 15k 3,860k +0.51 Bc4-d3 h6-h5 g2-g4 Kg6-g7 g4xh5 Qd8-e8
7- 00:00 17k 4,198k +0.43 Bc4-d3 h6-h5 g2-g4 Kg6-g7 g4xh5 Qd8-e8
7 00:00 25k 4,248k +0.54 Bc4-d3 h6-h5 g2-g4 b7-b6 Bd3xf5+ Kg6-f7 Qd1-f3 Nb8-c6 g4xh5
7 00:00 25k 4,248k +0.54 Bc4-d3 h6-h5 g2-g4 b7-b6 Bd3xf5+ Kg6-f7 Qd1-f3 Nb8-c6 g4xh5
8- 00:00 56k 5,586k +0.46 Bc4-d3 h6-h5 g2-g4 b7-b6 Bd3xf5+ Kg6-f7 Qd1-f3 Nb8-c6 g4xh5
8- 00:00 74k 4,618k +0.30 Bc4-d3 h6-h5 g2-g4 b7-b6 Bd3xf5+ Kg6-f7 Qd1-f3 Nb8-c6 g4xh5
8 00:00 125k 5,435k +0.48 Bc4-d3 Kg6-g7 Bd3xf5 Qd8-g8 Qd1-g4+ Kg7-f8 Qg4-e4 Nb8-c6 c2-c3
8 00:00 125k 5,435k +0.48 Bc4-d3 Kg6-g7 Bd3xf5 Qd8-g8 Qd1-g4+ Kg7-f8 Qg4-e4 Nb8-c6 c2-c3
9- 00:00 132k 5,480k +0.39 Bc4-d3 Kg6-g7 Bd3xf5 Qd8-g8 Qd1-g4+ Kg7-f8 Qg4-e4 Nb8-c6 c2-c3
9 00:00 206k 5,889k +0.41 Bc4-d3 Qd8-f8 Nb1-c3 Nb8-c6 h2-h4 Kg6-f7 Qd1-h5+ Kf7-e7 Nc3-d5+ Ke7-d8 Bd3xf5
9 00:00 206k 5,889k +0.41 Bc4-d3 Qd8-f8 Nb1-c3 Nb8-c6 h2-h4 Kg6-f7 Qd1-h5+ Kf7-e7 Nc3-d5+ Ke7-d8 Bd3xf5
10- 00:00 239k 6,140k +0.33 Bc4-d3 Qd8-f8 Nb1-c3 Nb8-c6 h2-h4 Kg6-f7 Qd1-h5+ Kf7-e7 Nc3-d5+ Ke7-d8 Bd3xf5
10- 00:00 536k 7,547k +0.17 Qd1-f3 Nb8-c6 h2-h4 b7-b5 Bc4xb5 Kg6-g7 Qf3xf5
10 00:00 801k 8,006k +0.42 Bc4-d3 Kg6-f7 O-O Kf7-e7 Nb1-c3 c7-c6 Qd1-h5 Qd8-g8 Qh5xf5 Qg8-e6 Qf5xe6+ d7xe6
10 00:00 801k 8,006k +0.42 Bc4-d3 Kg6-f7 O-O Kf7-e7 Nb1-c3 c7-c6 Qd1-h5 Qd8-g8 Qh5xf5 Qg8-e6 Qf5xe6+ d7xe6
11+ 00:00 955k 8,163k +0.50 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Bd6-b4+ c2-c3 d7-d5 Qf5-g6
11- 00:00 966k 8,116k +0.34 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Bd6-b4+ c2-c3 d7-d5 Qf5-g6
11 00:00 1,130k 8,249k +0.42 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 O-O Ke7-d8 Nc3-d5 b7-b6 Qf5xf6+ Qf8xf6 Nd5xf6
11 00:00 1,130k 8,249k +0.42 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 O-O Ke7-d8 Nc3-d5 b7-b6 Qf5xf6+ Qf8xf6 Nd5xf6
12- 00:00 1,179k 8,421k +0.34 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 O-O Ke7-d8 Nc3-d5 b7-b6 Qf5xf6+ Qf8xf6 Nd5xf6
12+ 00:00 1,494k 8,634k +0.50 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 O-O Ke7-d8 Nc3-d5 Bd6-e7 Nd5xe7 Qf8xe7
12 00:00 1,540k 8,604k +0.32 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 Nc3-e4 Ke7-d8 Qf5xf6+ Qf8xf6 Ne4xf6 Bd6-e7 Nf6-d5 d7-d6 O-O-O
12 00:00 1,647k 8,448k +0.32 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 Nc3-e4 Ke7-d8 Qf5xf6+ Qf8xf6 Ne4xf6 Bd6-e7 Nf6-d5 d7-d6 O-O-O
13- 00:00 1,971k 8,761k +0.24 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 Nc3-e4 Ke7-d8 Qf5xf6+ Qf8xf6 Ne4xf6 Bd6-e7 Nf6-d5 d7-d6 O-O-O
13 00:00 3,239k 9,470k +0.29 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 O-O Qd8-f8 Bd3xf5 Ke7-d8 Nb1-c3 Nb8-c6 Nc3-b5 Bd6-e7 c2-c4 a7-a6 Nb5-c3 b7-b6
13 00:00 3,239k 9,470k +0.29 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 O-O Qd8-f8 Bd3xf5 Ke7-d8 Nb1-c3 Nb8-c6 Nc3-b5 Bd6-e7 c2-c4 a7-a6 Nb5-c3 b7-b6
14+ 00:00 3,861k 9,651k +0.37 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e7 c2-c4 Nb8-c6 c4-c5
14 00:00 4,028k 9,706k +0.40 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 d7-d6 Nc3-d5 Bc8xf5 Qd1-h5+ Ke8-d8 Qh5xf5 d6xc5
14 00:00 4,676k 9,948k +0.40 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 d7-d6 Nc3-d5 Bc8xf5 Qd1-h5+ Ke8-d8 Qh5xf5 d6xc5
15- 00:00 5,136k 10,130k +0.32 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 d7-d6 Nc3-d5 Bc8xf5 Qd1-h5+ Ke8-d8 Qh5xf5 d6xc5
15 00:00 8,466k 11,140k +0.36 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 Ke8-d8 Nc3-d5 b7-b6 b2-b4 Bc8-a6 Bf5-d3 Ba6xd3 Qd1xd3
15 00:00 8,466k 11,140k +0.36 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 Ke8-d8 Nc3-d5 b7-b6 b2-b4 Bc8-a6 Bf5-d3 Ba6xd3 Qd1xd3
16- 00:00 8,913k 11,183k +0.28 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 Ke8-d8 Nc3-d5 b7-b6 b2-b4 Bc8-a6 Bf5-d3 Ba6xd3 Qd1xd3
16+ 00:00 10,279k 11,602k +0.44 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4
16+ 00:00 10,301k 11,574k +20.76 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4
16 00:00 10,349k 11,628k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
16 00:00 10,387k 11,554k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
17 00:00 10,460k 11,545k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
17 00:00 10,526k 11,580k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
18 00:00 10,767k 11,603k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
18 00:00 10,919k 11,567k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
19 00:00 11,177k 11,631k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
19 00:00 11,315k 11,629k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
20 00:00 11,602k 11,707k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
20 00:01 11,831k 11,702k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
21 00:01 12,317k 11,820k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
21 00:01 12,563k 11,819k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
22 00:01 13,245k 11,986k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
22 00:01 13,708k 12,025k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
23 00:01 14,786k 12,291k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
23 00:01 15,229k 12,342k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
24 00:01 16,997k 12,741k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
24 00:01 18,161k 12,880k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
25 00:01 20,002k 13,177k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
25 00:01 21,242k 13,235k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
26 00:01 23,605k 13,582k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
26 00:01 25,617k 13,714k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
27 00:02 28,609k 14,045k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
27 00:02 30,654k 14,139k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
28 00:02 34,014k 14,413k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
28 00:02 37,296k 14,563k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
29 00:02 41,189k 14,758k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
29 00:03 44,784k 14,819k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
30 00:03 50,071k 15,027k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
30 00:03 55,677k 15,117k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
31 00:04 62,049k 15,283k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
31 00:04 67,734k 15,356k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
32 00:04 75,082k 15,494k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
32 00:05 83,109k 15,552k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
33 00:05 90,445k 15,618k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
33 00:06 101,793k 15,714k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
34 00:07 112,404k 15,818k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
34 00:07 126,177k 15,871k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
35 00:08 139,010k 15,938k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
35 00:09 152,352k 15,976k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
36 00:10 167,071k 16,049k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
FEN: rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R w KQ - 0 1
Slow64-avx2 [001]:
2/1 00:00 128 0 -1.00 Nb1-c3 Nb8-c6
3/2 00:00 517 0 -0.84 Nb1-c3 Nb8-c6 Nc3-d5
4/4 00:00 756 0 -0.80 Nb1-c3 Bd6-b4 Ra1-b1 Bb4xc3+ b2xc3
5/5- 00:00 899 0 -1.05 Nb1-c3 Bd6-b4
5/6+ 00:00 2k 0 -0.56 Bc4-d3
5/6 00:00 2k 0 -0.72 Bc4-d3 h6-h5 Bd3xf5+ Kg6xf5 Nb1-c3
6/8- 00:00 2k 0 -0.97 Bc4-d3 h6-h5
6/8+ 00:00 3k 0 -0.96 Qd1-f3
6/8 00:00 4k 0 -0.72 Qd1-f3 Nb8-c6 Qf3-d5 h6-h5 c2-c3 Nc6-e7 Qd5-f7+
7/8- 00:00 4k 0 -0.97 Qd1-f3 Nb8-c6
7/9+ 00:00 5k 0 -0.96 Bc4-d3
7/11 00:00 9k 899k -0.56 Bc4-d3 Nb8-c6 Qd1-g4+ Kg6-f7 Qg4xf5 Nc6-e7 Bd3-c4+ Kf7-g7 Qf5-h5 Ne7-g6
8/12 00:00 17k 1,696k -0.52 Bc4-d3 Nb8-c6 Qd1-g4+ Kg6-f7 Qg4-h5+ Kf7-g7 Bd3xf5 Nc6-e7 Bf5-d3 Bd6-b4+ c2-c3
9/12 00:00 25k 2,500k -0.60 Bc4-d3 Nb8-c6 Qd1-g4+ Kg6-f7 Bd3xf5 Nc6-e7 Qg4-h5+ Kf7-f8 Bf5-e4 Kf8-g7
10/14+ 00:00 80k 2,664k -0.36 Bc4-d3
10/14 00:00 107k 3,564k -0.52 Bc4-d3 Nb8-c6 g2-g4 Kg6-f7 g4xf5 Kf7-f8 Nb1-c3 Qd8-e7 Qd1-h5
10/14+ 00:00 118k 2,940k -0.51 Qd1-f3
10/14 00:00 193k 3,857k +0.08 Qd1-f3 Nb8-c6 Nb1-c3 Bd6-b4 g2-g4 Bb4xc3+ b2xc3 d7-d6 g4xf5+ Kg6-h7 O-O-O
10/14 00:00 240k 3,426k -0.28 Qd1-f3 Nb8-c6 Nb1-c3 Bd6-b4 g2-g4 Bb4xc3+ b2xc3 Kg6-h7 Qf3xf5+ Kh7-g7 O-O-O d7-d6
11/15 00:00 324k 4,056k -0.40 Qd1-f3 Kg6-g7 Qf3xf5 Bd6-b4+ c2-c3 d7-d5 Qf5xd5 Qd8xd5 Bc4xd5 Bb4-d6 c3-c4 Nb8-c6 Nb1-c3
12/20 00:00 765k 4,503k -0.51 Qd1-f3 Nb8-c6 g2-g4 f5-f4 Nb1-d2 f4xe3 f2xe3 b7-b5 Bc4-d3+ Kg6-f7 O-O-O Qd8-e7 Nd2-e4 Kf7-g7 Bd3xb5 Ra8-b8 Bb5-d3
12/20+ 00:00 825k 4,585k -0.50 Nb1-d2
12/20 00:00 912k 4,561k -0.36 Nb1-d2 Bd6-b4 Bc4-d3 Bb4xd2+ Ke1xd2 Kg6-f7 Qd1-h5+ Kf7-e7 g2-g4 f5xg4 Qh5xg4 d7-d5 Qg4-g7+ Ke7-d6
13/20+ 00:00 1,390k 4,792k -0.12 Nb1-d2
13/20 00:00 1,429k 4,764k -0.24 Nb1-d2 Bd6-b4 c2-c3 d7-d5 Bc4-d3 Bb4-d6 Qd1-g4+ Kg6-f7 Bd3xf5 Bc8xf5 Qg4xf5 c7-c6 c3-c4 Qd8-e7 O-O Qe7-d7 Qf5-h5+ Kf7-g7 c4xd5 c6xd5 Qh5xd5
13/24 00:00 1,574k 4,920k -0.32 Nb1-d2 Bd6-b4 c2-c3 d7-d5 Bc4-d3 Bb4-d6 Qd1-g4+ Kg6-f7 Bd3xf5 Nb8-c6 Qg4-h5+ Kf7-g7 Bf5xc8 Qd8xc8 Qh5xd5 Qc8-g4 Qd5-b5 h6-h5 Qb5xb7
13/24+ 00:00 1,615k 4,894k -0.31 Bc4-d3
14/24 00:00 1,722k 4,921k -0.39 Nb1-d2 Kg6-g7 Bc4-d3 Nb8-c6 Bd3xf5 Nc6-e7 Qd1-g4+ Kg7-f8 Bf5-d3 Qd8-e8 Qg4-f3 Qe8-f7 O-O-O h6-h5 Kc1-b1 f6-f5 Kb1-a1 Qf7-g6 Nd2-c4
15/27 00:00 2,384k 4,966k -0.32 Nb1-d2 Kg6-g7 Bc4-d3 Nb8-c6 Bd3xf5 Nc6-e7 Qd1-g4+ Kg7-f8 Bf5-d3 Qd8-e8 Qg4-f3 Qe8-f7 O-O-O h6-h5 Nd2-e4 f6-f5 Ne4xd6 c7xd6 h2-h3 Qf7xa2 g2-g4 Qa2-a1+ Kc1-d2 Qa1-a5+ Kd2-e2
15/27+ 00:00 2,460k 5,020k +M8 Qd1-h5+
15/27+ 00:00 2,460k 5,021k +M8 Qd1-h5+
15/27 00:00 2,462k 5,024k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
16/27 00:00 2,464k 5,029k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
17/27 00:00 2,468k 5,037k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
18/27 00:00 2,473k 5,046k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
19/27 00:00 2,491k 5,084k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
20/27 00:00 2,504k 5,008k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
21/27 00:00 2,557k 5,013k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
22/27 00:00 2,645k 4,990k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
23/27 00:00 2,753k 5,099k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 Bb4xc3 b2xc3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Qd8-e7 h2-h3+
FEN: rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R w KQ - 0 1
Spike 1.4:
0 00:00 0 0 +0.35
1 00:00 67 195 +0.83 h2-h4
1 00:00 118 344 +0.83 h2-h4
2 00:00 158 460 -0.36 h2-h4 Kg6-g7
2 00:00 233 679 +0.40 Qd1-f3 Nb8-c6
2 00:00 366 366k +0.40 Qd1-f3 Nb8-c6
3 00:00 743 743k +0.88 Qd1-f3 Nb8-c6 h2-h4
3 00:00 893 893k +0.88 Qd1-f3 Nb8-c6 h2-h4
4 00:00 1k 1,398k +0.39 Qd1-f3 Nb8-c6 h2-h4 b7-b6
4 00:00 2k 1,739k +0.39 Qd1-f3 Nb8-c6 h2-h4 b7-b6
5 00:00 3k 1,597k +0.50 Qd1-f3 Nb8-c6 h2-h4 b7-b5 Bc4xb5
5 00:00 4k 1,757k +0.50 Qd1-f3 Nb8-c6 h2-h4 b7-b5 Bc4xb5
6 00:00 6k 1,912k +0.17 Qd1-f3 Nb8-c6 h2-h4 b7-b5 Bc4xb5 Kg6-g7 Qf3xf5
6 00:00 15k 4,873k +0.51 Bc4-d3 h6-h5 g2-g4 Kg6-g7 g4xh5 Qd8-e8
6 00:00 15k 3,860k +0.51 Bc4-d3 h6-h5 g2-g4 Kg6-g7 g4xh5 Qd8-e8
7- 00:00 17k 4,198k +0.43 Bc4-d3 h6-h5 g2-g4 Kg6-g7 g4xh5 Qd8-e8
7 00:00 25k 4,248k +0.54 Bc4-d3 h6-h5 g2-g4 b7-b6 Bd3xf5+ Kg6-f7 Qd1-f3 Nb8-c6 g4xh5
7 00:00 25k 4,248k +0.54 Bc4-d3 h6-h5 g2-g4 b7-b6 Bd3xf5+ Kg6-f7 Qd1-f3 Nb8-c6 g4xh5
8- 00:00 56k 5,586k +0.46 Bc4-d3 h6-h5 g2-g4 b7-b6 Bd3xf5+ Kg6-f7 Qd1-f3 Nb8-c6 g4xh5
8- 00:00 74k 4,618k +0.30 Bc4-d3 h6-h5 g2-g4 b7-b6 Bd3xf5+ Kg6-f7 Qd1-f3 Nb8-c6 g4xh5
8 00:00 125k 5,435k +0.48 Bc4-d3 Kg6-g7 Bd3xf5 Qd8-g8 Qd1-g4+ Kg7-f8 Qg4-e4 Nb8-c6 c2-c3
8 00:00 125k 5,435k +0.48 Bc4-d3 Kg6-g7 Bd3xf5 Qd8-g8 Qd1-g4+ Kg7-f8 Qg4-e4 Nb8-c6 c2-c3
9- 00:00 132k 5,480k +0.39 Bc4-d3 Kg6-g7 Bd3xf5 Qd8-g8 Qd1-g4+ Kg7-f8 Qg4-e4 Nb8-c6 c2-c3
9 00:00 206k 5,889k +0.41 Bc4-d3 Qd8-f8 Nb1-c3 Nb8-c6 h2-h4 Kg6-f7 Qd1-h5+ Kf7-e7 Nc3-d5+ Ke7-d8 Bd3xf5
9 00:00 206k 5,889k +0.41 Bc4-d3 Qd8-f8 Nb1-c3 Nb8-c6 h2-h4 Kg6-f7 Qd1-h5+ Kf7-e7 Nc3-d5+ Ke7-d8 Bd3xf5
10- 00:00 239k 6,140k +0.33 Bc4-d3 Qd8-f8 Nb1-c3 Nb8-c6 h2-h4 Kg6-f7 Qd1-h5+ Kf7-e7 Nc3-d5+ Ke7-d8 Bd3xf5
10- 00:00 536k 7,547k +0.17 Qd1-f3 Nb8-c6 h2-h4 b7-b5 Bc4xb5 Kg6-g7 Qf3xf5
10 00:00 801k 8,006k +0.42 Bc4-d3 Kg6-f7 O-O Kf7-e7 Nb1-c3 c7-c6 Qd1-h5 Qd8-g8 Qh5xf5 Qg8-e6 Qf5xe6+ d7xe6
10 00:00 801k 8,006k +0.42 Bc4-d3 Kg6-f7 O-O Kf7-e7 Nb1-c3 c7-c6 Qd1-h5 Qd8-g8 Qh5xf5 Qg8-e6 Qf5xe6+ d7xe6
11+ 00:00 955k 8,163k +0.50 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Bd6-b4+ c2-c3 d7-d5 Qf5-g6
11- 00:00 966k 8,116k +0.34 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Bd6-b4+ c2-c3 d7-d5 Qf5-g6
11 00:00 1,130k 8,249k +0.42 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 O-O Ke7-d8 Nc3-d5 b7-b6 Qf5xf6+ Qf8xf6 Nd5xf6
11 00:00 1,130k 8,249k +0.42 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 O-O Ke7-d8 Nc3-d5 b7-b6 Qf5xf6+ Qf8xf6 Nd5xf6
12- 00:00 1,179k 8,421k +0.34 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 O-O Ke7-d8 Nc3-d5 b7-b6 Qf5xf6+ Qf8xf6 Nd5xf6
12+ 00:00 1,494k 8,634k +0.50 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 O-O Ke7-d8 Nc3-d5 Bd6-e7 Nd5xe7 Qf8xe7
12 00:00 1,540k 8,604k +0.32 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 Nc3-e4 Ke7-d8 Qf5xf6+ Qf8xf6 Ne4xf6 Bd6-e7 Nf6-d5 d7-d6 O-O-O
12 00:00 1,647k 8,448k +0.32 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 Nc3-e4 Ke7-d8 Qf5xf6+ Qf8xf6 Ne4xf6 Bd6-e7 Nf6-d5 d7-d6 O-O-O
13- 00:00 1,971k 8,761k +0.24 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 Qh5xf5 Qd8-f8 Nb1-c3 Nb8-c6 Nc3-e4 Ke7-d8 Qf5xf6+ Qf8xf6 Ne4xf6 Bd6-e7 Nf6-d5 d7-d6 O-O-O
13 00:00 3,239k 9,470k +0.29 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 O-O Qd8-f8 Bd3xf5 Ke7-d8 Nb1-c3 Nb8-c6 Nc3-b5 Bd6-e7 c2-c4 a7-a6 Nb5-c3 b7-b6
13 00:00 3,239k 9,470k +0.29 Bc4-d3 Kg6-f7 Qd1-h5+ Kf7-e7 O-O Qd8-f8 Bd3xf5 Ke7-d8 Nb1-c3 Nb8-c6 Nc3-b5 Bd6-e7 c2-c4 a7-a6 Nb5-c3 b7-b6
14+ 00:00 3,861k 9,651k +0.37 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e7 c2-c4 Nb8-c6 c4-c5
14 00:00 4,028k 9,706k +0.40 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 d7-d6 Nc3-d5 Bc8xf5 Qd1-h5+ Ke8-d8 Qh5xf5 d6xc5
14 00:00 4,676k 9,948k +0.40 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 d7-d6 Nc3-d5 Bc8xf5 Qd1-h5+ Ke8-d8 Qh5xf5 d6xc5
15- 00:00 5,136k 10,130k +0.32 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 d7-d6 Nc3-d5 Bc8xf5 Qd1-h5+ Ke8-d8 Qh5xf5 d6xc5
15 00:00 8,466k 11,140k +0.36 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 Ke8-d8 Nc3-d5 b7-b6 b2-b4 Bc8-a6 Bf5-d3 Ba6xd3 Qd1xd3
15 00:00 8,466k 11,140k +0.36 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 Ke8-d8 Nc3-d5 b7-b6 b2-b4 Bc8-a6 Bf5-d3 Ba6xd3 Qd1xd3
16- 00:00 8,913k 11,183k +0.28 Bc4-d3 Kg6-f7 Bd3xf5 Qd8-f8 O-O Kf7-e8 c2-c4 Nb8-c6 c4-c5 Bd6-e7 Nb1-c3 Ke8-d8 Nc3-d5 b7-b6 b2-b4 Bc8-a6 Bf5-d3 Ba6xd3 Qd1xd3
16+ 00:00 10,279k 11,602k +0.44 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4
16+ 00:00 10,301k 11,574k +20.76 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4
16 00:00 10,349k 11,628k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
16 00:00 10,387k 11,554k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
17 00:00 10,460k 11,545k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
17 00:00 10,526k 11,580k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
18 00:00 10,767k 11,603k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
18 00:00 10,919k 11,567k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
19 00:00 11,177k 11,631k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
19 00:00 11,315k 11,629k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
20 00:00 11,602k 11,707k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
20 00:01 11,831k 11,702k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
21 00:01 12,317k 11,820k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
21 00:01 12,563k 11,819k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
22 00:01 13,245k 11,986k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
22 00:01 13,708k 12,025k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
23 00:01 14,786k 12,291k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
23 00:01 15,229k 12,342k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
24 00:01 16,997k 12,741k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
24 00:01 18,161k 12,880k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
25 00:01 20,002k 13,177k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
25 00:01 21,242k 13,235k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
26 00:01 23,605k 13,582k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
26 00:01 25,617k 13,714k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
27 00:02 28,609k 14,045k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
27 00:02 30,654k 14,139k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
28 00:02 34,014k 14,413k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
28 00:02 37,296k 14,563k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
29 00:02 41,189k 14,758k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
29 00:03 44,784k 14,819k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
30 00:03 50,071k 15,027k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
30 00:03 55,677k 15,117k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
31 00:04 62,049k 15,283k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
31 00:04 67,734k 15,356k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
32 00:04 75,082k 15,494k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
32 00:05 83,109k 15,552k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
33 00:05 90,445k 15,618k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
33 00:06 101,793k 15,714k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
34 00:07 112,404k 15,818k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
34 00:07 126,177k 15,871k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
35 00:08 139,010k 15,938k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
35 00:09 152,352k 15,976k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
36 00:10 167,071k 16,049k +M8 Qd1-h5+ Kg6xh5 Bc4-f7+ Kh5-h4 Nb1-d2 Bd6-b4 c2-c3 f5-f4 Nd2-f3+ Kh4-g4 e3-e4 Bb4xc3+ b2xc3 Qd8-e8 h2-h3+
-
gordonr
- Posts: 239
- Joined: Thu Aug 06, 2009 8:04 pm
- Location: UK
Re: A hard mate in 8 for SF but trivial por Criter 1.6
As is often the case, there are lucky test runs and unlucky test runs...
i7-5960X / Stockfish_5_Nov_2022:
25/39 00:05 51,140k 9,040k -0.49 Nd2 Bb4 c3 d5 Bd3 Bf8 g4 Kh7 Qf3 Rg8 gxf5 c5 0-0-0 cxd4 exd4 Nc6 Nf1 Bd7 Ne3 Ne7 Rhg1 Rg7 Kb1 Qc7 a3 Rd8 Rxg7+ Bxg7
26/36+ 00:05 53,979k 9,015k -0.45 Nd2
26/36+ 00:06 54,177k 9,013k -0.42 Nd2
26/36 00:06 54,851k 9,001k -0.41 Nd2 Bb4 c3 d5 Bd3 Bf8 g4 Kh7 Qf3 Rg8 gxf5 c5 0-0-0 cxd4 exd4 Nc6 Rhg1 Ne7 Rxg8 Kxg8 Rg1+ Kh7 Nf1 Qe8 Ng3 Kh8 a4 Qf7 Nh5 Bd7 b3 a6 Kb2
27/36- 00:06 59,634k 8,930k -0.45 Nd2 Bb4
27/47+ 00:06 60,760k 8,918k -0.42 Qf3
27/47+ 00:06 60,923k 8,917k -0.38 Qf3
27/47- 00:07 67,674k 8,878k -0.48 Qf3 Bb4+
27/47+ 00:08 71,790k 8,864k -0.40 Qf3
27/47 00:08 72,792k 8,849k -0.43 Qf3 Bb4+ c3 d5 Bxd5 Bd6 Nd2 h5 Bxb7 Bxb7 Qxb7 Nd7 Nf3 h4 0-0-0 Qe8 c4 Qe4 Qb5 c6 Qb7 Rhd8 Nd2 Qe6 Qb3 Kf7 Qc2 Nf8 g3 Ng6 Kb1 Rab8 gxh4 Nxh4
28/43+ 00:08 75,568k 8,829k -0.40 Qf3
28/43+ 00:08 75,641k 8,829k -0.37 Qf3
28/43+ 00:08 78,152k 8,810k -0.32 Qf3
28/44 00:09 80,175k 8,782k -0.37 Qf3 Bb4+ c3 d5 Bxd5 Bd6 Nd2 h5 Bxb7 Bxb7 Qxb7 Nd7 Nf3 h4 0-0-0 Qg8 Qa6 Nb6 g3 hxg3 hxg3 Qd5 Rxh8 Rxh8 Nh4+ Kf7 Qd3 Qxa2 Qxf5 Qa1+ Qb1 Qxb1+ Kxb1 a5 b3 Rh5 Kb2
29/46- 00:09 86,081k 8,765k -0.39 Qf3 Bb4+
29/46+ 00:09 87,195k 8,767k -0.36 Qf3
29/46+ 00:10 90,341k 8,767k -0.32 Qf3
29/46- 00:10 90,414k 8,767k -0.43 Qf3 Bb4+
29/46 00:10 96,206k 8,762k -0.47 Qf3 Bb4+ c3 d5 Bxd5 Bd6 Nd2 h5 Bxb7 Bxb7 Qxb7 Nd7 Nf3 h4 0-0-0 Qg8 Qa6 Nb6 g3 hxg3 hxg3 Qd5 Nh4+ Kf7 Qd3 Rh5 g4 Rh6 g5 fxg5 Qxf5+ Rf6 Qh7+ Ke8 e4 Qxa2 Nf5 Nc4 Nxd6+ cxd6 Qb7 Qa1+ Kc2 Rxf2+ Kd3
30/41+ 00:11 97,113k 8,761k -0.41 Qf3
30/48+ 00:11 101,352k 8,760k -0.38 Nd2
30/48 00:11 103,029k 8,755k -0.45 Nd2 Bb4 c3 d5 Bd3 Bf8 g4 c5 gxf5+ Kh7 Qh5 Rg8 0-0-0 Rg5 Qf3 Nc6 Rdg1 Kh8 Rxg5 fxg5 h4 cxd4 exd4 g4 Qxg4 Qf6 Nf1 Bd6 Ne3 Ne7 Qf3 Bd7 Ng4 Qf8 Re1 Nxf5 Qxd5
31/31+ 00:12 109,656k 8,724k -0.40 Nd2
31/31+ 00:12 110,601k 8,718k -0.37 Nd2
31/44+ 00:13 116,553k 8,729k -0.33 Nd2
31/53+ 00:13 122,402k 8,749k +M8 Qh5+
31/53 00:13 122,405k 8,749k +M8 Qh5+ Kxh5 Bf7+ Kh4 Nd2 Bb4 c3 Bxc3 bxc3 f4 Nf3+ Kg4 e4 c6 h3+
32/16 00:13 122,408k 8,749k +M8 Qh5+ Kxh5 Bf7+ Kh4 Nd2 Bb4 c3 Bxc3 bxc3 f4 Nf3+ Kg4 e4 c6 h3+
33/16 00:14 122,542k 8,750k +M8 Qh5+ Kxh5 Bf7+ Kh4 Nd2 Bb4 c3 Bxc3 bxc3 f4 Nf3+ Kg4 e4 c6 h3+
34/16 00:14 122,545k 8,750k +M8 Qh5+ Kxh5 Bf7+ Kh4 Nd2 Bb4 c3 Bxc3 bxc3 f4 Nf3+ Kg4 e4 c6 h3+
i7-5960X / Stockfish_5_Nov_2022:
25/39 00:05 51,140k 9,040k -0.49 Nd2 Bb4 c3 d5 Bd3 Bf8 g4 Kh7 Qf3 Rg8 gxf5 c5 0-0-0 cxd4 exd4 Nc6 Nf1 Bd7 Ne3 Ne7 Rhg1 Rg7 Kb1 Qc7 a3 Rd8 Rxg7+ Bxg7
26/36+ 00:05 53,979k 9,015k -0.45 Nd2
26/36+ 00:06 54,177k 9,013k -0.42 Nd2
26/36 00:06 54,851k 9,001k -0.41 Nd2 Bb4 c3 d5 Bd3 Bf8 g4 Kh7 Qf3 Rg8 gxf5 c5 0-0-0 cxd4 exd4 Nc6 Rhg1 Ne7 Rxg8 Kxg8 Rg1+ Kh7 Nf1 Qe8 Ng3 Kh8 a4 Qf7 Nh5 Bd7 b3 a6 Kb2
27/36- 00:06 59,634k 8,930k -0.45 Nd2 Bb4
27/47+ 00:06 60,760k 8,918k -0.42 Qf3
27/47+ 00:06 60,923k 8,917k -0.38 Qf3
27/47- 00:07 67,674k 8,878k -0.48 Qf3 Bb4+
27/47+ 00:08 71,790k 8,864k -0.40 Qf3
27/47 00:08 72,792k 8,849k -0.43 Qf3 Bb4+ c3 d5 Bxd5 Bd6 Nd2 h5 Bxb7 Bxb7 Qxb7 Nd7 Nf3 h4 0-0-0 Qe8 c4 Qe4 Qb5 c6 Qb7 Rhd8 Nd2 Qe6 Qb3 Kf7 Qc2 Nf8 g3 Ng6 Kb1 Rab8 gxh4 Nxh4
28/43+ 00:08 75,568k 8,829k -0.40 Qf3
28/43+ 00:08 75,641k 8,829k -0.37 Qf3
28/43+ 00:08 78,152k 8,810k -0.32 Qf3
28/44 00:09 80,175k 8,782k -0.37 Qf3 Bb4+ c3 d5 Bxd5 Bd6 Nd2 h5 Bxb7 Bxb7 Qxb7 Nd7 Nf3 h4 0-0-0 Qg8 Qa6 Nb6 g3 hxg3 hxg3 Qd5 Rxh8 Rxh8 Nh4+ Kf7 Qd3 Qxa2 Qxf5 Qa1+ Qb1 Qxb1+ Kxb1 a5 b3 Rh5 Kb2
29/46- 00:09 86,081k 8,765k -0.39 Qf3 Bb4+
29/46+ 00:09 87,195k 8,767k -0.36 Qf3
29/46+ 00:10 90,341k 8,767k -0.32 Qf3
29/46- 00:10 90,414k 8,767k -0.43 Qf3 Bb4+
29/46 00:10 96,206k 8,762k -0.47 Qf3 Bb4+ c3 d5 Bxd5 Bd6 Nd2 h5 Bxb7 Bxb7 Qxb7 Nd7 Nf3 h4 0-0-0 Qg8 Qa6 Nb6 g3 hxg3 hxg3 Qd5 Nh4+ Kf7 Qd3 Rh5 g4 Rh6 g5 fxg5 Qxf5+ Rf6 Qh7+ Ke8 e4 Qxa2 Nf5 Nc4 Nxd6+ cxd6 Qb7 Qa1+ Kc2 Rxf2+ Kd3
30/41+ 00:11 97,113k 8,761k -0.41 Qf3
30/48+ 00:11 101,352k 8,760k -0.38 Nd2
30/48 00:11 103,029k 8,755k -0.45 Nd2 Bb4 c3 d5 Bd3 Bf8 g4 c5 gxf5+ Kh7 Qh5 Rg8 0-0-0 Rg5 Qf3 Nc6 Rdg1 Kh8 Rxg5 fxg5 h4 cxd4 exd4 g4 Qxg4 Qf6 Nf1 Bd6 Ne3 Ne7 Qf3 Bd7 Ng4 Qf8 Re1 Nxf5 Qxd5
31/31+ 00:12 109,656k 8,724k -0.40 Nd2
31/31+ 00:12 110,601k 8,718k -0.37 Nd2
31/44+ 00:13 116,553k 8,729k -0.33 Nd2
31/53+ 00:13 122,402k 8,749k +M8 Qh5+
31/53 00:13 122,405k 8,749k +M8 Qh5+ Kxh5 Bf7+ Kh4 Nd2 Bb4 c3 Bxc3 bxc3 f4 Nf3+ Kg4 e4 c6 h3+
32/16 00:13 122,408k 8,749k +M8 Qh5+ Kxh5 Bf7+ Kh4 Nd2 Bb4 c3 Bxc3 bxc3 f4 Nf3+ Kg4 e4 c6 h3+
33/16 00:14 122,542k 8,750k +M8 Qh5+ Kxh5 Bf7+ Kh4 Nd2 Bb4 c3 Bxc3 bxc3 f4 Nf3+ Kg4 e4 c6 h3+
34/16 00:14 122,545k 8,750k +M8 Qh5+ Kxh5 Bf7+ Kh4 Nd2 Bb4 c3 Bxc3 bxc3 f4 Nf3+ Kg4 e4 c6 h3+
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chrisw
- Posts: 4734
- Joined: Tue Apr 03, 2012 4:28 pm
- Location: Midi-Pyrénées
- Full name: Christopher Whittington
Re: A hard mate in 8 for SF but trivial por Criter 1.6
It would be more likely to find it if the start position had a black piece on h5, the more valuable the better. SF is a massive material-based pruner.pocpit wrote: ↑Sat Dec 03, 2022 11:24 am [fen]rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R w KQ - 0 1[/fen]
I found this position in Twitter, and tried with several engines. The only one to solve it from my -not very large- list was Critter 1.6 in 1.20s and ply 15. I let SF thinking beyond ply 30 but found nothing at all.
One would expect SF to easily find a mate in 8 starting with a queen sacrifice, but here we are.
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Vinvin
- Posts: 5304
- Joined: Thu Mar 09, 2006 9:40 am
- Full name: Vincent Lejeune
Re: A hard mate in 8 for SF but trivial por Criter 1.6
Don't forget Spark, from the old days, who was a very good mate solver
16 cores
Code: Select all
Spark-1.0-win64-mp-corei:
..
10/26 00:00 492k 32.791k -0,14 1.Bd3 Kg7 2.Bxf5 h5 3.Qf3 Nc6 4.Nc3 Ne7 5.Ne4 Nxf5 6.Qxf5
11/26 00:00 977k 31.505k 0,00 1.Bd3 Kg7 2.Qh5 Nc6 3.Qxf5 Qe8 4.Nc3 Ne7 5.Qg4+ Ng6 6.0-0 b6
12/29 00:00 3.476k 36.980k +0,04 1.Bd3 Kg7 2.Qh5 Nc6 3.Qxf5 Qe8 4.Nc3 Ne7 5.Qg4+ Ng6 6.0-0 h5 7.Qf3
13/29 00:00 4.686k 33.472k +0,07 1.Bd3 Kg7 2.Qh5 Nc6 3.Qxf5 Qe8 4.Nc3 Ne7 5.Qg4+ Ng6 6.0-0 h5 7.Qf3 c5
13/30+ 00:00 6.488k 34.696k +0,29 1.Qh5+ Kh7
13/30+ 00:00 7.412k 36.514k +0,54 1.Qh5+ Kh7
13/30+ 00:00 10.582k 42.327k +M14 1.Qh5+ Kxh5
13/30 00:00 10.596k 42.383k +M8 1.Qh5+ Kxh5 2.Bf7+ Kh4 3.Nd2 Bb4 4.c3 Bxc3 5.bxc3 f4 6.Nf3+ Kg4 7.e4 c6 8.h3+
14/30 00:02 197.936k 82.818k +M8 1.Qh5+ Kxh5 2.Bf7+ Kh4 3.Nd2 Bb4 4.c3 Bxc3 5.bxc3 f4 6.Nf3+ Kg4 7.e4 c6 8.h3+
15/30 00:05 541.878k 91.026k +M8 1.Qh5+ Kxh5 2.Bf7+ Kh4 3.Nd2 Bb4 4.c3 Bxc3 5.bxc3 f4 6.Nf3+ Kg4 7.e4 c6 8.h3+
Code: Select all
Spark-1.0-win64-mp-corei:
...
10/21 00:00 103k 6.408k -0,10 1.Bd3 h5 2.Qf3 Kg7 3.Qxf5 Qe8 4.Nc3 Nc6 5.Nd5 Qf7
11/22 00:00 334k 5.294k -0,14 1.Bd3 Kg7 2.Bxf5 h5 3.Qf3 Nc6 4.Nc3 Ne7 5.Ne4 Nxf5 6.Qxf5
12/28 00:00 839k 5.377k +0,04 1.Bd3 Kg7 2.Qh5 Nc6 3.Qxf5 Qe8 4.Nc3 Ne7 5.Qg4+ Ng6 6.0-0 h5 7.Qf3
13/32 00:00 1.500k 5.337k +0,07 1.Bd3 Kg7 2.Qh5 Nc6 3.Qxf5 Qe8 4.Nc3 Ne7 5.Qg4+ Ng6 6.0-0 h5 7.Qf3 c5
14/32 00:00 3.060k 5.435k 0,00 1.Bd3 Kg7 2.Qh5 Nc6 3.Qxf5 Qe8 4.Nc3 Ne7 5.Qg4+ Ng6 6.0-0 b6 7.Ne4 h5 8.Qf3
14/36+ 00:00 4.869k 5.669k +0,32 1.Qh5+ Kh7
14/36+ 00:01 6.471k 5.672k +0,57 1.Qh5+ Kh7
14/36+ 00:01 6.685k 5.783k +M13 1.Qh5+ Kxh5
14/36 00:01 10.097k 6.460k +M8 1.Qh5+ Kxh5 2.Bf7+ Kh4 3.Nd2 Bb4 4.c3 Bxc3 5.bxc3 f4 6.Nf3+ Kg4 7.e4 b5 8.h3+
14/36 00:03 27.989k 7.371k +M8 1.Qh5+ Kxh5 2.Bf7+ Kh4 3.Nd2 Bb4 4.c3 Bxc3 5.bxc3 f4 6.Nf3+ Kg4 7.e4 b5 8.h3+
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Ajedrecista
- Posts: 2156
- Joined: Wed Jul 13, 2011 9:04 pm
- Location: Madrid, Spain.
Re: A hard mate in 8 for SF but trivial por Critter 1.6.
Hello Emilio:
rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R
Just said that, I remember this position and the Qh5+, Kxh5; Bf7+ solution. I found a post by myself where I wrote about the origin of the position and tested successfully some old engines:
https://talkchess.com/forum3/viewtopic. ... 15#p908715
The position and the game can also be found in many sites on the Internet. One of the earliest results is at:
https://kasparovchess.crestbook.com/thr ... ost-815897
And the web of ChessBase, of course:
http://view.chessbase.com/cbreader/2020 ... 73687.html
We all agree that this miniature is a true gem.
Regards from Spain.
Ajedrecista.
This position has been discussed many times at TalkChess, just using the search engine of the forum and searching the incomplete FEN:pocpit wrote: ↑Sat Dec 03, 2022 11:24 am [fen]rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R w KQ - 0 1[/fen]
I found this position in Twitter, and tried with several engines. The only one to solve it from my -not very large- list was Critter 1.6 in 1.20s and ply 15. I let SF thinking beyond ply 30 but found nothing at all.
One would expect SF to easily find a mate in 8 starting with a queen sacrifice, but here we are.
rnbq3r/pppp4/3b1pkp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R
Just said that, I remember this position and the Qh5+, Kxh5; Bf7+ solution. I found a post by myself where I wrote about the origin of the position and tested successfully some old engines:
https://talkchess.com/forum3/viewtopic. ... 15#p908715
The position and the game can also be found in many sites on the Internet. One of the earliest results is at:
https://kasparovchess.crestbook.com/thr ... ost-815897
And the web of ChessBase, of course:
http://view.chessbase.com/cbreader/2020 ... 73687.html
We all agree that this miniature is a true gem.
Regards from Spain.
Ajedrecista.
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pocpit
- Posts: 18
- Joined: Sat Aug 15, 2020 3:17 pm
- Full name: Emilio Diaz
Re: A hard mate in 8 for SF but trivial por Criter 1.6
Thanks a lot for your answer, Alejandro. I'll use the search for a fen trick next time.
It was fie knwoing the source game, seeing how (modern?) SF just happily plays Kxg6 here (at least in the first plys; my hardware is quite old)
[fen]rnbq3r/pppp2k1/3b1pNp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R b KQ - 0 1[/fen]
It was fie knwoing the source game, seeing how (modern?) SF just happily plays Kxg6 here (at least in the first plys; my hardware is quite old)
[fen]rnbq3r/pppp2k1/3b1pNp/5p2/2BP4/4P3/PPP2PPP/RN1QK2R b KQ - 0 1[/fen]
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JVMerlino
- Posts: 1404
- Joined: Wed Mar 08, 2006 10:15 pm
- Location: San Francisco, California
Re: A hard mate in 8 for SF but trivial por Criter 1.6
No surprise, The King from CM9000 finds it instantly:
Rather surprisingly, Myrddin with only one core finds it in 35 seconds:
Code: Select all
Time Depth Score Positions Moves
0:00 1/3 -1.17 851 1.Qf3 Kg7 2.Qxf5 c6
0:00 1/4 -0.83 2960 1.Qf3 Kg7 2.Qxf5 Bb4+ 3.Nd2 d5 4.Qxd5 Qxd5 5.Bxd5
0:00 1/4 -0.61 6941 1.Nd2 Rf8 2.Qf3 Kh7 3.Qxf5+ Kh8
0:00 1/5 -0.61 13585 1.Nd2 Rf8 2.Qf3 Kg7 3.Qxf5 Kh8
0:00 1/6 -0.41 55648 1.Nd2 Qe7 2.Qf3 Qh7 3.O-O-O Kg7 4.Qh5
0:00 1/7 -0.55 119160 1.Nd2 Bb4 2.Qf3 d5 3.Bxd5 c6 4.Qg3+ Kh7 5.Bf7
0:00 1/8 -0.55 263054 1.Nd2 Bb4 2.Qf3 d5 3.Bxd5 c6 4.Qg3+ Kh7 5.Bf7
0:00 1/8 Mate08 328363 1.Qh5+ Kxh5 2.Bf7+ Kh4 3.Nd2 Bb4 4.c3 Bxc3 5.bxc3 f4 6.Nf3+ Kg4 7.e4 d5 8.h3#
Code: Select all
16 -13 506 10982857 c4d3 b8c6 d1g4 g6f7 g4f5 c6e7 f5h5 f7g7 h5g4 g7f8 e1g1 h8g8 g4h5 f8g7 d3c4 g8f8 b1c3 d8e8 h5f3 (2169 KNPS)
17 -11 1421 30907765 c4d3 c7c5 d4c5 d6e5 b1c3 b8a6 d1g4 g6f7 g4h5 f7g7 d3a6 b7a6 e1c1 a8b8 h5f5 d7d6 f5f3 c8e6 c5d6 e5d6 b2c3 (2173 KNPS)
18 -27 3345 73351089 c4d3? (2192 KNPS)
18 5 3525 77354394 d1h5! (2194 KNPS)
18 21 3528 77440082 d1h5! (2194 KNPS)
18 32752 3554 78385170 d1h5 g6h5 c4f7 h5h4 b1d2 d6b4 c2c3 b4c3 b2c3 f5f4 d2f3 h4g4 e3e4 (2205 KNPS)(Mate in 8)