More than 1M nodes to find mate in 2
[d]2rr3k/pp3pp1/1nnqbN1p/3pN3/2pP4/2P3Q1/PPB4P/R4RK1 w - - 0 1
Stockfish_23082209_x64_avx2:
NNUE evaluation using nn-c38c3d8d3920.nnue
1/1 00:00 834 12k +1.76 Qg3-g6
2/2 00:00 1k 17k +2.13 Nf6-h5
3/2 00:00 1k 19k +2.13 Nf6-h5
4/2 00:00 2k 31k +3.05 Nf6-h5
5/3 00:00 3k 40k +4.02 Nf6-h5
6/4 00:00 3k 47k +4.75 Nf6-h5 Rd8-g8 Ne5xf7+ Be6xf7 Qg3xd6
7/8 00:00 6k 81k +4.65 Nf6-h5 g7-g6 Ne5xg6+ Kh8-g8
8/9 00:00 9k 114k +4.25 Nf6-h5 g7-g6 Qg3-e3 g6xh5 Qe3xh6+ Kh8-g8 Ra1-e1 Nc6xe5 Re1xe5
9/9 00:00 11k 139k +4.44 Nf6-e8 Rd8xe8 Ne5xf7+ Be6xf7 Qg3xd6 Bf7-g8 Qd6-g3
10/11 00:00 18k 212k +5.93 Nf6-h5 Rd8-g8 Ne5-g6+ f7xg6 Qg3xd6
11/14 00:00 29k 229k +5.14 Nf6-h5 g7-g5 Rf1-f6 Qd6-f8 Rf6xe6 f7xe6 Ne5-g6+ Kh8-g8 Ng6xf8 Rd8xf8 Ra1-f1 Rf8xf1+ Kg1xf1
12/14 00:00 48k 358k +5.79 Nf6-h5 g7-g5 Rf1-f6 Qd6-f8 Rf6xe6 f7xe6 Ne5-g6+ Kh8-g8 Ng6xf8 Rd8xf8
13/17 00:00 72k 495k +5.85 Nf6-h5 Qd6xe5 d4xe5 g7-g6 Nh5-f6 Kh8-g7 Ra1-e1 d5-d4 Nf6-h5+ Kg7-h7 Bc2-e4
14/20 00:00 117k 697k +5.95 Nf6-h5 g7-g5 Rf1-f6 Qd6-f8 Rf6xe6 f7xe6 Ne5-g6+ Kh8-g8 Ng6xf8 Rd8xf8 Qg3-h3 Rc8-e8 Nh5-g3 Re8-e7
15/21 00:00 184k 842k +5.54 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Ra1-d1 Nb6-d7 Rd1-e1 Nc6xe5 Re1xe5 Nd7xe5 Qg3xe5 Be6-g4 Nh5-f4 d5-d4
16/19 00:00 315k 1,079k +5.70 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Ra1-d1 Nb6-d7 Rd1-e1 Nc6xe5 Re1xe5 Nd7xe5 Qg3xe5 Be6-g4 Nh5-f4 d5-d4 c3xd4 c4-c3 b2-b4
17/24 00:00 472k 886k +5.67 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Nh5-f4 Nc6xe5 Kg1-h1 Nb6-d7 Nf4xe6 f7xe6 Ra1-c1 Rg8-e8 Rc1-e1 Ne5-d3 Rf1-g1 Re8-g8 Re1-f1
18/26 00:01 950k 691k +5.69 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Nh5-f4 Nb6-d7 Nf4xe6 f7xe6 Kg1-h1 Nd7xe5 a2-a4 Ne5-d3 Bc2xd3 c4xd3 Qg3xd3
19/31 00:01 1,440k 836k +M2 Qg3-g6 f7xg6 Ne5xg6+
It seems that the main problem of it is the fact that Nh5 is also winning.
Without rook a1 stockfish solve the position easily
[d]2rr3k/pp3pp1/1nnqbN1p/3pN3/2pP4/2P3Q1/PPB4P/5RK1 w - - 0 1
Stockfish_23082209_x64_avx2:
NNUE evaluation using nn-c38c3d8d3920.nnue
1/1 00:00 409 136k -1.40 Qg3-g6
2/2 00:00 2k 518k -0.76 Qg3-g6
3/3 00:00 2k 606k +1.63 Qg3-g6
4/4 00:00 4k 904k +4.46 Qg3-g6
5/4 00:00 5k 1,159k +M2 Qg3-g6 g7xf6 Qg6-h7+
Changing the position makes it harder for stockfish to find mate in 2.
[d]3r3k/pp3pp1/2nqbN1p/3pN3/2pP4/2P3Q1/PPB4P/QR3RK1 w - - 0 1
Stockfish_23082209_x64_avx2:
NNUE evaluation using nn-c38c3d8d3920.nnue
1/1 00:00 579 290k +13.31 Nf6-h5
2/2 00:00 1k 507k +13.31 Nf6-h5
3/2 00:00 1k 667k +13.31 Nf6-h5
4/2 00:00 2k 883k +20.49 Nf6-h5
5/3 00:00 2k 1,112k +15.00 Nf6-h5 g7-g6
6/4 00:00 3k 1,683k +13.76 Nf6-h5 g7-g6 Nh5-f4 Nc6xe5
7/6 00:00 4k 2,228k +13.81 Nf6-h5 g7-g6 Nh5-f4 Nc6xe5 Rb1-e1
8/8 00:00 6k 3,234k +13.31 Nf6-h5 g7-g6 Nh5-f4 Nc6xe5 Rb1-e1 Ne5-g4
9/8 00:00 10k 3,189k +12.94 Nf6-h5 g7-g6 Qg3-f4 g6xh5 Qf4xh6+ Kh8-g8
10/9 00:00 12k 4,020k +13.97 Nf6-h5 g7-g6 Qg3-f4 g6xh5 Qf4xh6+ Kh8-g8 Qh6-g5+ Kg8-h8 Qg5xh5+ Kh8-g8
11/13 00:00 19k 3,839k +14.39 Nf6-h5 g7-g6 Qg3-e3 g6-g5 Ne5xc6 b7xc6
12/13 00:00 29k 4,101k +15.15 Nf6-h5 Qd6-f8 Ne5xc6 b7xc6 Rb1-e1
13/14 00:00 65k 4,672k +15.69 Nf6-h5 g7-g5 Rb1-e1 f7-f5 Qa1-d1 Nc6xe5 Re1xe5 f5-f4 Qg3-e1 Be6-f7
14/15 00:00 103k 4,288k +15.31 Nf6-h5 g7-g5 Rb1-e1 f7-f5 Qa1-d1 Nc6xe5 Re1xe5 f5-f4 Qg3-e1 Be6-f7 Qd1-f3 Qd6-b6
15/17 00:00 306k 3,520k +17.49 Nf6-h5 g7-g6 Qg3-e3 g6-g5 Rf1-f6 Qd6-f8 Rb1-f1 Rd8-e8 Qa1-d1 Kh8-g8 Qd1-f3 Nc6xe5 Qe3xe5 a7-a6
16/23 00:00 416k 3,440k +17.89 Nf6-h5 g7-g6 Qg3-e3 g6-g5 Rf1-f6 Qd6-f8 Rf6xe6 f7xe6 Ne5-g6+ Kh8-g8 Ng6xf8 Kg8xf8 Rb1-f1+ Kf8-e7 Qa1-e1 e6-e5 Qe3-f3 e5-e4 Qf3-d1
17/25 00:00 1,584k 3,779k +18.86 Nf6-h5 Rd8-g8 Ne5-g6+ f7xg6 Qg3xd6 Be6-f5 Bc2xf5 g6xf5 Rb1-e1 a7-a6 Qa1-d1 Nc6-a7 Rf1xf5 Na7-b5
18/24 00:00 1,699k 3,810k +17.87 Nf6-h5 Rd8-g8 Ne5-g6+ f7xg6 Qg3xd6 Be6-f5 Bc2xf5 g6xf5 Rb1-e1 Nc6-d8 Qa1-d1 Nd8-f7 Qd6xd5 Nf7-g5 Qd5xf5 b7-b6 Qd1-c2
19/32 00:00 3,722k 3,967k +19.61 Nf6-h5 Rd8-g8 Ne5-g6+ f7xg6 Qg3xd6 Be6-f5 Bc2xf5 g6xf5 Rb1-e1 b7-b5 Qa1-d1 b5-b4 Rf1xf5 b4-b3 a2xb3 g7-g6 Qd6-f6+ Kh8-h7
20/29 00:02 8,398k 4,028k +20.30 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Rb1-e1 f7-f5 Nh5-f4 d5-d4 Nf4xe6 d4-d3 Bc2-d1 b7-b5 Rf1-f2 b5-b4 Bd1-f3 b4xc3 b2xc3 f5-f4
21/31 00:02 9,533k 4,046k +20.58 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Rb1-e1 f7-f5 Nh5-f4 Nc6-d8 Qa1-d1 g7-g6 Rf1-f2 a7-a5 Qd1-e2 g6-g5
22/33 00:02 12,094k 4,112k +20.84 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Rb1-e1 f7-f5 Nh5-f4 Nc6-d8 Qa1-d1 g7-g6 Rf1-f2 Kh8-h7 Rf2-g2 a7-a6 Re1-e3 Kh7-h8 Qg3-h3 Kh8-h7 Kg1-f1 b7-b5
23/32 00:03 16,191k 4,213k +21.35 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Rb1-e1 f7-f5 Nh5-f4 d5-d4 Nf4xe6 d4-d3 Bc2-d1 Nc6-e7 Qa1-b1 a7-a5 Rf1-f2 a5-a4 Qb1-c1 g7-g5 Qg3-h3 Kh8-h7
24/42 00:16 64,509k 4,030k +24.15 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Rb1-e1 f7-f5 Nh5-f4 d5-d4 Nf4xe6 d4-d3 Bc2-d1 Nc6-e7 Qa1-c1 g7-g5 Qg3-h3 Rg8-g6 Ne6-d4 f5-f4 Bd1-g4 b7-b5 e5-e6 b5-b4 Qc1-d1 b4xc3 b2xc3 d3-d2 Qd1xd2 Rg6-f6 Qh3-f3 Kh8-g8 Re1-e5 Kg8-h8 Qf3-e4
25/48+ 01:52 355,119k 3,163k +34.29 Nf6-h5
25/48+ 01:52 355,128k 3,163k +45.46 Nf6-h5
25/48+ 01:52 355,140k 3,162k +63.89 Nf6-h5
25/48 01:52 355,142k 3,162k +M2 Qg3-g6 f7xg6 Ne5xg6+
Stockfish with 7 cores is very slow in some mates in 2
Moderator: Ras
-
Uri Blass
- Posts: 11074
- Joined: Thu Mar 09, 2006 12:37 am
- Location: Tel-Aviv Israel
-
Uri Blass
- Posts: 11074
- Joined: Thu Mar 09, 2006 12:37 am
- Location: Tel-Aviv Israel
Re: Stockfish with 7 cores is very slow in some mates in 2
With single core more than 1000,000,000 nodes to see mate in 2 here
FEN: 3r3k/pp3pp1/2nqbN1p/3pN3/2pP4/2P3Q1/PBB4P/QR3RKR w - - 0 1
Stockfish_23082209_x64_avx2:
NNUE evaluation using nn-c38c3d8d3920.nnue
1/1 00:00 103 52k +17.82 Nf6-h5
2/2 00:00 168 84k +18.27 Bb2-a3
3/2 00:00 225 113k +18.27 Bb2-a3
4/2 00:00 285 143k +18.27 Bb2-a3 Qd6xa3
5/3 00:00 378 189k +18.78 Bb2-a3 Qd6xa3 Nf6-h5
6/4 00:00 506 253k +19.82 Nf6-h5
7/4 00:00 580 290k +20.78 Nf6-h5 g7-g6
8/4 00:00 878 439k +18.73 Nf6-h5 g7-g6 Bc2xg6 f7xg6
9/8 00:00 1k 433k +19.33 Bb2-a3 Qd6xa3 Nf6-h5 g7-g6 Ne5xc6
10/8 00:00 2k 478k +18.68 Nf6-h5 g7-g6 Bb2-a3 Qd6xa3 Ne5xc6
11/9 00:00 2k 572k +19.80 Nf6-h5 g7-g6 Bb2-a3 Qd6xa3 Ne5xc6 Rd8-f8
12/11 00:00 4k 606k +19.21 Nf6-h5 g7-g6 Bb2-a3 Qd6xa3 Rf1xf7 Be6xf7 Ne5xf7+ Kh8-g8
13/13 00:00 11k 630k +21.13 Nf6-h5 g7-g5 Rb1-e1 Nc6xe5 Re1xe5
14/8 00:00 14k 654k +20.55 Nf6-h5 g7-g5 Rb1-e1 Nc6xe5 Re1xe5 Qd6-d7
15/15 00:00 24k 655k +20.78 Nf6-h5 g7-g6 Qg3-f4 Kh8-h7 Bb2-c1 Qd6-f8 Bc2xg6+ f7xg6 Qf4xf8 Rd8xf8 Rb1xb7+ Nc6-e7 Rb7xe7+ Rf8-f7
16/19 00:00 49k 696k +22.96 Nf6-h5 Rd8-g8 Ne5-g6+ f7xg6 Qg3xd6 Be6-f5 Bc2xf5 g6xh5 Rb1-e1 Rg8-d8
17/20 00:00 78k 726k +23.79 Nf6-h5 Rd8-g8 Ne5-g6+ f7xg6 Qg3xd6 Be6-f5 Bc2xf5 g6xh5 Rb1-e1 a7-a5 Qa1-b1 Rg8-d8 Qd6-f4
18/29 00:00 211k 772k +23.92 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6xe5 Qg3xe5 Be6-g4 Nh5-f6
19/28 00:00 301k 767k +25.04 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 d5-d4 c3xd4 Be6-d5 Ba3-d6 Bd5xh1
20/26 00:00 515k 814k +25.65 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 d5-d4 c3xd4 Be6-d5 Be7-f6+ Kh8-h7 Bf6xd8 Rg8xd8 Nh5-f6+ Kh7-h8 Rh1-h2 b6-b5 e5-e6 Bd5xe6 d4-d5
21/30 00:00 700k 827k +25.65 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 Nd8-b7 Rh1-h2 Nb7-c5 Nh5-f6 Rg8-c8 Rh2-e2 Nc5-e4 Nf6xe4 d5xe4 Bc2xe4 Kh8-h7 Be7-f6
22/32 00:01 1,222k 847k +26.65 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 Nd8-c6 Be7-f6+ Kh8-h7 Rh1-h2 d5-d4 c3xd4 Nc6-b8 Bf6-h4 Nb8-d7 Rh2-g2 Be6-d5 e5-e6 Bd5xe6
23/35 00:01 1,556k 850k +26.67 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 Nd8-c6 Be7-f6+ Kh8-h7 Rh1-h2 d5-d4 c3xd4 c4-c3 Qa1xc3 Rg8-c8 Bf6-h4 Nc6-e7 Nh5-f6+ Kh7-h8 Qc3-a3 Ne7-f5 Bc2xf5 g6xf5
24/44 00:05 4,405k 839k +27.57 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 d5-d4 c3xd4 f7-f5 Nh5-f4 Kh8-h7 d4-d5 Be6-f7 Be7-f6 Nd8-b7 e5-e6 Nb7-d6 e6xf7 Nd6xf7
25/42 00:11 9,170k 821k +28.03 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 a7-a5 Rb1-b6 f7-f5 Qa1-d1 g7-g6 Nh5-f6 Rg8-g7 Ba3-c5 Rg7-f7 h2-h4 d5-d4 c3xd4 Nc6-b4
26/40 01:13 57,907k 783k +28.78 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 Nd8-c6 Be7-f6+ Kh8-h7 Rh1-h2 Nc6-b8 Bf6-h4 Nb8-d7 Rh2-g2 Kh7-h8 Rb1-e1 g6-g5 Qa1-d1 Nd7-f8 Rf1-f6 Nf8-g6 Qd1-c1 Kh8-h7
27/43+ 37:34 1,534,663k 681k +45.26 Nf6-h5
27/43+ 37:34 1,534,690k 681k +62.08 Qg3-g6
27/43 37:34 1,534,690k 681k +M2 Qg3-g6 f7xg6 Ne5xg6+
FEN: 3r3k/pp3pp1/2nqbN1p/3pN3/2pP4/2P3Q1/PBB4P/QR3RKR w - - 0 1
Stockfish_23082209_x64_avx2:
NNUE evaluation using nn-c38c3d8d3920.nnue
1/1 00:00 103 52k +17.82 Nf6-h5
2/2 00:00 168 84k +18.27 Bb2-a3
3/2 00:00 225 113k +18.27 Bb2-a3
4/2 00:00 285 143k +18.27 Bb2-a3 Qd6xa3
5/3 00:00 378 189k +18.78 Bb2-a3 Qd6xa3 Nf6-h5
6/4 00:00 506 253k +19.82 Nf6-h5
7/4 00:00 580 290k +20.78 Nf6-h5 g7-g6
8/4 00:00 878 439k +18.73 Nf6-h5 g7-g6 Bc2xg6 f7xg6
9/8 00:00 1k 433k +19.33 Bb2-a3 Qd6xa3 Nf6-h5 g7-g6 Ne5xc6
10/8 00:00 2k 478k +18.68 Nf6-h5 g7-g6 Bb2-a3 Qd6xa3 Ne5xc6
11/9 00:00 2k 572k +19.80 Nf6-h5 g7-g6 Bb2-a3 Qd6xa3 Ne5xc6 Rd8-f8
12/11 00:00 4k 606k +19.21 Nf6-h5 g7-g6 Bb2-a3 Qd6xa3 Rf1xf7 Be6xf7 Ne5xf7+ Kh8-g8
13/13 00:00 11k 630k +21.13 Nf6-h5 g7-g5 Rb1-e1 Nc6xe5 Re1xe5
14/8 00:00 14k 654k +20.55 Nf6-h5 g7-g5 Rb1-e1 Nc6xe5 Re1xe5 Qd6-d7
15/15 00:00 24k 655k +20.78 Nf6-h5 g7-g6 Qg3-f4 Kh8-h7 Bb2-c1 Qd6-f8 Bc2xg6+ f7xg6 Qf4xf8 Rd8xf8 Rb1xb7+ Nc6-e7 Rb7xe7+ Rf8-f7
16/19 00:00 49k 696k +22.96 Nf6-h5 Rd8-g8 Ne5-g6+ f7xg6 Qg3xd6 Be6-f5 Bc2xf5 g6xh5 Rb1-e1 Rg8-d8
17/20 00:00 78k 726k +23.79 Nf6-h5 Rd8-g8 Ne5-g6+ f7xg6 Qg3xd6 Be6-f5 Bc2xf5 g6xh5 Rb1-e1 a7-a5 Qa1-b1 Rg8-d8 Qd6-f4
18/29 00:00 211k 772k +23.92 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6xe5 Qg3xe5 Be6-g4 Nh5-f6
19/28 00:00 301k 767k +25.04 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 d5-d4 c3xd4 Be6-d5 Ba3-d6 Bd5xh1
20/26 00:00 515k 814k +25.65 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 d5-d4 c3xd4 Be6-d5 Be7-f6+ Kh8-h7 Bf6xd8 Rg8xd8 Nh5-f6+ Kh7-h8 Rh1-h2 b6-b5 e5-e6 Bd5xe6 d4-d5
21/30 00:00 700k 827k +25.65 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 Nd8-b7 Rh1-h2 Nb7-c5 Nh5-f6 Rg8-c8 Rh2-e2 Nc5-e4 Nf6xe4 d5xe4 Bc2xe4 Kh8-h7 Be7-f6
22/32 00:01 1,222k 847k +26.65 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 Nd8-c6 Be7-f6+ Kh8-h7 Rh1-h2 d5-d4 c3xd4 Nc6-b8 Bf6-h4 Nb8-d7 Rh2-g2 Be6-d5 e5-e6 Bd5xe6
23/35 00:01 1,556k 850k +26.67 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 Nd8-c6 Be7-f6+ Kh8-h7 Rh1-h2 d5-d4 c3xd4 c4-c3 Qa1xc3 Rg8-c8 Bf6-h4 Nc6-e7 Nh5-f6+ Kh7-h8 Qc3-a3 Ne7-f5 Bc2xf5 g6xf5
24/44 00:05 4,405k 839k +27.57 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 d5-d4 c3xd4 f7-f5 Nh5-f4 Kh8-h7 d4-d5 Be6-f7 Be7-f6 Nd8-b7 e5-e6 Nb7-d6 e6xf7 Nd6xf7
25/42 00:11 9,170k 821k +28.03 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 a7-a5 Rb1-b6 f7-f5 Qa1-d1 g7-g6 Nh5-f6 Rg8-g7 Ba3-c5 Rg7-f7 h2-h4 d5-d4 c3xd4 Nc6-b4
26/40 01:13 57,907k 783k +28.78 Nf6-h5 Qd6xe5 d4xe5 Rd8-g8 Bb2-a3 Nc6-d8 Ba3-f8 g7-g6 Bf8-e7 b7-b6 h2-h3 Nd8-c6 Be7-f6+ Kh8-h7 Rh1-h2 Nc6-b8 Bf6-h4 Nb8-d7 Rh2-g2 Kh7-h8 Rb1-e1 g6-g5 Qa1-d1 Nd7-f8 Rf1-f6 Nf8-g6 Qd1-c1 Kh8-h7
27/43+ 37:34 1,534,663k 681k +45.26 Nf6-h5
27/43+ 37:34 1,534,690k 681k +62.08 Qg3-g6
27/43 37:34 1,534,690k 681k +M2 Qg3-g6 f7xg6 Ne5xg6+
-
RubiChess
- Posts: 649
- Joined: Fri Mar 30, 2018 7:20 am
- Full name: Andreas Matthies
Re: Stockfish with 7 cores is very slow in some mates in 2
You found the answer yourself. Well, there was no question...
Show us a serious game where a promoted queen and a promoted rook manage to find the way back to safe squares through 12-14(!) opponents pieces.
And guess how many of these positions SF is trained on. I have no answer but I would guess it is zero.
Regards, Andreas
-
Uri Blass
- Posts: 11074
- Joined: Thu Mar 09, 2006 12:37 am
- Location: Tel-Aviv Israel
Re: Stockfish with 7 cores is very slow in some mates in 2
The original position when stockfish was relatively slow was WAC01 from a practical game(later I changed it in order to make it slower)RubiChess wrote: ↑Thu Aug 24, 2023 7:23 pmYou found the answer yourself. Well, there was no question...
Show us a serious game where a promoted queen and a promoted rook manage to find the way back to safe squares through 12-14(!) opponents pieces.
And guess how many of these positions SF is trained on. I have no answer but I would guess it is zero.
Regards, Andreas
2rr3k/pp3pp1/1nnqbN1p/3pN3/2pP4/2P3Q1/PPB4P/R4RK1 w - - 0 1
I tested it originally with 7 cores and was surprised to find that it does not see it immediately but needs 1 second and found that it needed more than 1M nodes.
I tested it now with 1 core and it needs 105k nodes that is still a lot for mate in 2.
I think that the reason that it is so slow is the fact that there is an alternative move that is winning and not the fact that it is not trained about the position.
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Joerg Oster
- Posts: 986
- Joined: Fri Mar 10, 2006 4:29 pm
- Location: Germany
- Full name: Jörg Oster
Re: Stockfish with 7 cores is very slow in some mates in 2
Sorry to disagree, but this is not about eval, but only about search.RubiChess wrote: ↑Thu Aug 24, 2023 7:23 pmYou found the answer yourself. Well, there was no question...
Show us a serious game where a promoted queen and a promoted rook manage to find the way back to safe squares through 12-14(!) opponents pieces.
And guess how many of these positions SF is trained on. I have no answer but I would guess it is zero.
Regards, Andreas
With 2 very simple additions in the main search function:
Code: Select all
position fen 2rr3k/pp3pp1/1nnqbN1p/3pN3/2pP4/2P3Q1/PPB4P/R4RK1 w - - 0 1
go mate 2
info string NNUE evaluation using nn-c38c3d8d3920.nnue
info depth 1 seldepth 1 multipv 1 score cp 159 nodes 117 nps 58500 hashfull 0 tbhits 0 time 2 pv g3g6
info depth 2 seldepth 2 multipv 1 score cp 174 nodes 509 nps 254500 hashfull 0 tbhits 0 time 2 pv f6h5
info depth 3 seldepth 3 multipv 1 score cp 204 nodes 901 nps 300333 hashfull 0 tbhits 0 time 3 pv f6h5
info depth 4 seldepth 4 multipv 1 score cp 243 nodes 1842 nps 368400 hashfull 1 tbhits 0 time 5 pv f6h5
info depth 5 seldepth 4 multipv 1 score cp 371 nodes 2106 nps 351000 hashfull 1 tbhits 0 time 6 pv f6h5
info depth 6 seldepth 5 multipv 1 score mate 2 nodes 2869 nps 409857 hashfull 1 tbhits 0 time 7 pv g3g6
bestmove g3g6 ponder c6e5
Code: Select all
position fen 3r3k/pp3pp1/2nqbN1p/3pN3/2pP4/2P3Q1/PPB4P/QR3RK1 w - - 0 1
go mate 2
info string NNUE evaluation using nn-c38c3d8d3920.nnue
info depth 1 seldepth 1 multipv 1 score cp 1153 nodes 80 nps 40000 hashfull 0 tbhits 0 time 2 pv f6h5
info depth 2 seldepth 2 multipv 1 score cp 1268 nodes 626 nps 208666 hashfull 0 tbhits 0 time 3 pv f6h5 d6e5 d4e5
info depth 3 seldepth 3 multipv 1 score cp 1266 nodes 1036 nps 259000 hashfull 0 tbhits 0 time 4 pv f6h5 g7g6 h5f4 c6e5
info depth 4 seldepth 4 multipv 1 score mate 2 nodes 4196 nps 419600 hashfull 3 tbhits 0 time 10 pv g3g6 c6e5 g6h7
bestmove g3g6 ponder c6e5
already during the very first iterations?
Jörg Oster
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RubiChess
- Posts: 649
- Joined: Fri Mar 30, 2018 7:20 am
- Full name: Andreas Matthies
Re: Stockfish with 7 cores is very slow in some mates in 2
I would agree that both a "better" eval and a search more focused on finding a mate could help.Joerg Oster wrote: ↑Fri Aug 25, 2023 3:07 pm Sorry to disagree, but this is not about eval, but only about search.
Well, if SF would start agressive pruning in iteration N with N > 2 (and small enough to avoid losing Elo), than someone will complain about a position with mate in N+x not found. Finding mate is the job of huntsman and friends, isn't it?Joerg Oster wrote: ↑Fri Aug 25, 2023 3:07 pm Do you think it makes sense to apply the same amount of pruning and reductions
already during the very first iterations?![]()
Regards, Andreas
-
acase
- Posts: 998
- Joined: Wed Mar 15, 2006 1:14 am
- Location: Columbus, Ohio USA
- Full name: Andrew R Case
Re: Stockfish with 7 cores is very slow in some mates in 2
It looks like Stockfish 16 solves this mate in 2 instantly:
[pgn][Event "Mate in 2"] [Site "Columbus, Ohio"] [Date "2023.08.25"] [Round "?"] [White "Stockfish-16-x64-avx2"] [Black "?"] [Result "1-0"] [Time "14:19:59"] [WhiteElo "0"] [TimeControl "0"] [SetUp "1"] [FEN "3r3k/pp3pp1/2nqbN1p/3pN3/2pP4/2P3Q1/PBB4P/QR3RKR w - - 0 1"] [Termination "normal"] [PlyCount "3"] [WhiteType "program"] [BlackType "program"] 1. Qg6 {+M2/245 1 Stockfish-16-x64-avx2} gxf6 2. Qh7# 1-0 [/pgn]
[pgn][Event "Mate in 2"] [Site "Columbus, Ohio"] [Date "2023.08.25"] [Round "?"] [White "Stockfish-16-x64-avx2"] [Black "?"] [Result "1-0"] [Time "14:19:59"] [WhiteElo "0"] [TimeControl "0"] [SetUp "1"] [FEN "3r3k/pp3pp1/2nqbN1p/3pN3/2pP4/2P3Q1/PBB4P/QR3RKR w - - 0 1"] [Termination "normal"] [PlyCount "3"] [WhiteType "program"] [BlackType "program"] 1. Qg6 {+M2/245 1 Stockfish-16-x64-avx2} gxf6 2. Qh7# 1-0 [/pgn]
Code: Select all
FEN: 3r3k/pp3p1Q/2nqbp1p/3pN3/2pP4/2P5/PBB4P/QR3RKR b - - 1 2
Stockfish-16-x64-avx2:
classical evaluation enabled
1/1 00:00 132 66k +22.90 1.Nf6-h5
2/2 00:00 189 95k +22.90 1.Nf6-h5
3/2 00:00 252 126k +22.90 1.Nf6-h5
4/2 00:00 389 195k +23.40 1.Qg3-g6
5/5 00:00 670 335k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
6/4 00:00 796 398k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
7/4 00:00 922 461k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
8/4 00:00 1k 349k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
9/4 00:00 1k 391k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
10/4 00:00 1k 434k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
11/4 00:00 1k 469k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
12/4 00:00 2k 513k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
13/4 00:00 2k 557k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
14/4 00:00 2k 599k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
15/4 00:00 2k 641k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
16/4 00:00 2k 683k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
17/4 00:00 2k 725k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
18/4 00:00 2k 767k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
19/4 00:00 2k 810k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
20/4 00:00 3k 853k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
21/4 00:00 3k 895k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
22/4 00:00 3k 938k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
23/4 00:00 3k 980k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
24/4 00:00 3k 1,023k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
25/4 00:00 3k 1,066k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
26/4 00:00 3k 1,108k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
27/4 00:00 3k 863k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
28/4 00:00 4k 895k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
29/4 00:00 4k 927k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
30/4 00:00 4k 961k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
31/4 00:00 4k 996k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
32/4 00:00 4k 1,031k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
33/4 00:00 4k 1,069k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
34/4 00:00 4k 1,113k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
35/4 00:00 5k 1,158k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
36/4 00:00 5k 1,202k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
37/4 00:00 5k 1,246k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
38/4 00:00 5k 1,290k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
39/4 00:00 5k 1,335k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
40/4 00:00 6k 1,379k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
41/4 00:00 6k 1,423k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
42/4 00:00 6k 1,467k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
43/4 00:00 6k 1,512k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
44/4 00:00 6k 1,245k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
45/4 00:00 6k 1,280k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
46/4 00:00 7k 1,315k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
47/4 00:00 7k 1,351k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
48/4 00:00 7k 1,386k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
49/4 00:00 7k 1,421k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
50/4 00:00 7k 1,457k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
51/4 00:00 7k 1,492k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
52/4 00:00 8k 1,528k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
53/4 00:00 8k 1,563k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
54/4 00:00 8k 1,598k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
55/4 00:00 8k 1,634k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
56/4 00:00 8k 278k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
57/4 00:00 9k 284k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
58/4 00:00 9k 290k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
59/4 00:00 9k 296k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
60/4 00:00 9k 302k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
61/4 00:00 9k 308k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
62/4 00:00 9k 314k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
63/4 00:00 10k 320k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
64/4 00:00 10k 325k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
65/4 00:00 10k 331k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
66/4 00:00 10k 337k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
67/4 00:00 10k 343k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
68/4 00:00 10k 349k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
69/4 00:00 11k 355k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
70/4 00:00 11k 361k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
71/4 00:00 11k 367k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
72/4 00:00 11k 373k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
73/4 00:00 11k 366k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
74/4 00:00 12k 372k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
75/4 00:00 12k 378k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
76/4 00:00 12k 383k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
77/4 00:00 12k 389k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
78/4 00:00 12k 395k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
79/4 00:00 12k 401k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
80/4 00:00 13k 406k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
81/4 00:00 13k 412k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
82/4 00:00 13k 418k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
83/4 00:00 13k 423k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
84/4 00:00 13k 429k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
85/4 00:00 13k 435k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
86/4 00:00 14k 441k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
87/4 00:00 14k 446k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
88/4 00:00 14k 452k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
89/4 00:00 14k 458k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
90/4 00:00 14k 449k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
91/4 00:00 15k 184k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
92/4 00:00 15k 184k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
93/4 00:00 15k 186k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
94/4 00:00 15k 188k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
95/4 00:00 15k 191k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
96/4 00:00 15k 193k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
97/4 00:00 16k 195k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
98/4 00:00 16k 197k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
99/4 00:00 16k 199k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
100/4 00:00 16k 202k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
101/4 00:00 16k 204k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
102/4 00:00 16k 206k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
103/4 00:00 17k 208k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
104/4 00:00 17k 211k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
105/4 00:00 17k 213k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
106/4 00:00 17k 215k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
107/4 00:00 17k 217k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
108/4 00:00 18k 217k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
109/4 00:00 18k 219k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
110/4 00:00 18k 221k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
111/4 00:00 18k 223k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
112/4 00:00 18k 225k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
113/4 00:00 18k 228k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
114/4 00:00 19k 230k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
115/4 00:00 19k 232k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
116/4 00:00 19k 234k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
117/4 00:00 19k 236k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
118/4 00:00 19k 239k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
119/4 00:00 19k 241k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
120/4 00:00 20k 243k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
121/4 00:00 20k 245k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
122/4 00:00 20k 247k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
123/4 00:00 20k 249k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
124/4 00:00 20k 252k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
125/4 00:00 21k 251k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
126/4 00:00 21k 166k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
127/4 00:00 21k 167k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
128/4 00:00 21k 169k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
129/4 00:00 21k 170k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
130/4 00:00 21k 172k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
131/4 00:00 22k 173k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
132/4 00:00 22k 174k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
133/4 00:00 22k 174k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
134/4 00:00 22k 176k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
135/4 00:00 22k 177k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
136/4 00:00 23k 179k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
137/4 00:00 23k 180k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
138/4 00:00 23k 181k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
139/4 00:00 23k 183k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
140/4 00:00 23k 184k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
141/4 00:00 23k 186k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
142/4 00:00 24k 187k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
143/4 00:00 24k 188k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
144/4 00:00 24k 190k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
145/4 00:00 24k 191k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
146/4 00:00 24k 193k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
147/4 00:00 24k 194k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
148/4 00:00 25k 195k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
149/4 00:00 25k 197k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
150/4 00:00 25k 197k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
151/4 00:00 25k 198k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
152/4 00:00 25k 200k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
153/4 00:00 26k 201k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
154/4 00:00 26k 202k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
155/4 00:00 26k 204k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
156/4 00:00 26k 205k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
157/4 00:00 26k 206k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
158/4 00:00 26k 208k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
159/4 00:00 27k 209k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
160/4 00:00 27k 211k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
161/4 00:00 27k 160k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
162/4 00:00 27k 160k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
163/4 00:00 27k 161k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
164/4 00:00 27k 162k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
165/4 00:00 28k 164k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
166/4 00:00 28k 165k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
167/4 00:00 28k 166k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
168/4 00:00 28k 167k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
169/4 00:00 28k 168k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
170/4 00:00 29k 169k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
171/4 00:00 29k 170k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
172/4 00:00 29k 171k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
173/4 00:00 29k 172k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
174/4 00:00 29k 173k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
175/4 00:00 29k 174k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
176/4 00:00 30k 174k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
177/4 00:00 30k 175k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
178/4 00:00 30k 176k +M2 1.Qg3-g6 g7xf6 2.Qg6-h7+
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