10 Positions Chess Engines Just Don't Understand‎

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AdminX
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10 Positions Chess Engines Just Don't Understand‎

Post by AdminX »

"Good decisions come from experience, and experience comes from bad decisions."
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Ted Summers
Spliffjiffer
Posts: 416
Joined: Thu Aug 02, 2012 7:48 pm
Location: Germany

Re: 10 Positions Chess Engines Just Don't Understand‎

Post by Spliffjiffer »

thx for the link AdminX :-)
i didnt come far because im still stuck at "Arshak B Petrosian vs. Laszlo Hazai "
after 46.Nxb6 ?? (the author) he claims also this: "Instead, White can patiently play the king to a4 and win the a5 pawn eventually the game."
well, im just much too stupid to understand the position well but giving a winning line or at least a bit more information would have been not the worst thing on earth...i cant see how white is "patiently" winning this honestly at this very moment...atm id consider the authors claim as dubious...is someone here who has already analysed this position and can help maybe ?

position after 45...Qb6:
[d]2k5/2p5/1q1p4/pPpPp1pp/N1P1Pp2/P4PbP/KQ4P1/8 w - - 0 1
Wahrheiten sind Illusionen von denen wir aber vergessen haben dass sie welche sind.
Uri Blass
Posts: 10309
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: 10 Positions Chess Engines Just Don't Understand‎

Post by Uri Blass »

Here is a line to beat stockfish with white
of course black did not play the best defence.

[pgn][Event "Computer chess game"]
[Site "DESKTOP-7QE6S12"]
[Date "2021.05.17"]
[Round "?"]
[White "àåøé"]
[Black "Stockfish_21051510_x64_avx2"]
[Result "*"]
[BlackElo "2000"]
[Time "18:13:02"]
[WhiteElo "2400"]
[TimeControl "900+10"]
[SetUp "1"]
[FEN "2k5/2p5/1q1p4/pPpPp1pp/N1P1Pp2/P4PbP/KQ4P1/8 w - - 0 1"]
[Termination "normal"]
[PlyCount "116"]
[WhiteType "human"]
[BlackType "program"]

1. Qb1 Qb7 {(Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Ka2-b3 Be1-d2
Nb6-a4 Qb7-c7 Qb5-a6 Qc7-b8+ Kb3-c2 Bd2-e1 Na4-b2 Kd8-e7 Nb2-d3 Be1-h4
Qa6-b5 Qb8-d8 Kc2-b3 Ke7-f7 Qb5-b7+ Kf7-g6 Qb7-c6 Qd8-b8+ Kb3-a4 Kg6-f7
Qc6-d7+ Kf7-g8 Qd7-b5 Qb8-c8 Qb5xa5 g5-g4 h3xg4 h5xg4 Qa5-b6 g4xf3 g2xf3
Bh4-e7 Qb6-c6 Qc8-b8 Nd3-f2 Qb8-a7+ Ka4-b3 Kg8-f7 Qc6-b5 Kf7-g7 Nf2-d3
Be7-h4 a3-a4 Bh4-d8 Qb5-c6 Qa7-b8+ Kb3-c2 Bd8-a5 Qc6-d7+ Kg7-h6) -2.66/44
29} 2. b6 cxb6 {(c7xb6 Qb1-b5) -4.10/47 108} 3. Qb5 Kd8 {(Kc8-d8 Na4xb6
Kd8-c7 Nb6-a4 Qb7xb5 c4xb5 c5-c4 Na4-b2 c4-c3 Nb2-c4 a5-a4 b5-b6+ Kc7-b7
Ka2-b1 Bg3-f2 Nc4xd6+ Kb7xb6 Nd6-f7 Bf2-c5 Nf7xe5 Kb6-b5 Kb1-c2 Bc5xa3
Kc2xc3 Ba3-e7 Ne5-f7 Be7-f6+ Kc3-c2 Kb5-b6 e4-e5 Bf6xe5 Nf7xe5 Kb6-c5
Ne5-f7 Kc5xd5 Nf7xg5 h5-h4 Kc2-b1 Kd5-e5 Ng5-e4 Ke5-d4 Kb1-a2 Kd4-e3 Ka2-a3
Ke3-e2 Ne4-d6 Ke2-e3 Ka3xa4 Ke3-d3 Ka4-b3 Kd3-e2 Nd6-e4 Ke2-e1 Kb3-b4
Ke1-f1 Ne4-g5 Kf1-f2 Ng5-e6 Kf2-e3 Kb4-c5 Ke3-f2) -4.31/42 11} 4. Nxb6 Be1
{(Bg3-e1 Nb6-a4) -4.90/48 126} 5. Na4 Qc7 {(Qb7-c7 Ka2-b3 Qc7-a7 Qb5-c6
Qa7-c7 Qc6-a6 Qc7-b8+ Kb3-c2 Kd8-e7 Na4-b6 Ke7-d8 Qa6-b5 Qb8-b7 Nb6-a4
Qb7-c7 Kc2-d1 Be1-h4 Qb5-a6 Qc7-b8 Qa6xa5+ Kd8-e7 Qa5-b6 Qb8-a8 Na4-c3
Qa8xa3 Qb6xd6+ Ke7-f7 Qd6-e6+ Kf7-g7 Qe6xe5+ Kg7-h7 Kd1-c2 Bh4-e1 Qe5-c7+
Kh7-g6 Qc7-c6+ Kg6-f7 Qc6-b7+ Kf7-g8 Qb7-b2 Qa3-a5 Nc3-b1 Be1-f2 e4-e5
Bf2-d4 Qb2-a3 Qa5-e1 e5-e6 Kg8-g7 Qa3-d3 Kg7-h6 Nb1-d2 Bd4-e3 d5-d6 Be3xd2
Qd3xd2 Qe1xe6 Qd2-d3 Qe6-d7 Qd3-d5 Qd7-a4+ Kc2-d3 Qa4-d1+ Kd3-e4) -4.94/44
19} 6. Kb3 Qc8 {(Qc7-c8 Qb5-b6+) -5.11/51 135} 7. Qb6+ Qc7 {(Qc8-c7 Qb6-a6
Qc7-b8+ Kb3-c2 Kd8-e7 Na4-b6 Ke7-d8 Qa6-b5 Qb8-b7 Nb6-a4 Qb7-c7 Kc2-d1
Be1-f2 Qb5-a6 Bf2-d4 Qa6-a8+ Qc7-c8 Qa8xa5+ Qc8-c7 Qa5-a6 Qc7-b8 Kd1-c2
g5-g4 h3xg4 h5xg4 f3xg4 Kd8-e7 Na4-b6 Ke7-f7 a3-a4 Kf7-g6 Kc2-b3 Kg6-g5
a4-a5 Bd4-e3 Kb3-a4 Be3-d2 Qa6-b5 Kg5xg4 Qb5-d7+ Kg4-g3 Ka4-b5 Bd2xa5
Qd7-g7+ Kg3-f2 Kb5xa5 Kf2-e3 Qg7-g6 Qb8-d8 Ka5-b5 Qd8-c7 Kb5-a6 Ke3-f2
Qg6-g4 Qc7-h7 Nb6-c8 Qh7-c7 Nc8-a7 Qc7-h7 Na7-b5 Qh7-h1 Nb5xd6 Qh1xg2
Qg4xg2+ Kf2xg2 Nd6-f7 f4-f3 Nf7xe5 f3-f2 Ne5-g4 Kg2-g3) -5.28/44 12} 8. Qa6
Qb8+ {(Qc7-b8+ Kb3-c2 Kd8-e7 Na4-b6 Ke7-d8 Qa6-b5 Qb8-b7 Nb6-a4 Qb7-c7
Kc2-d1 Be1-f2 Qb5-a6 Bf2-d4 Qa6-a8+ Qc7-c8 Qa8xa5+ Qc8-c7 Qa5-a6 Qc7-b8
Kd1-c2 g5-g4 h3xg4 h5xg4 f3xg4 Kd8-e7 Na4-b6 Ke7-f7 a3-a4 Kf7-g6 Kc2-b3
Qb8-d8 a4-a5 Qd8-h4 Kb3-a4 Qh4-f2 Ka4-b5 Qf2xg2 Qa6-c8 Kg6-g5 Qc8-f5+
Kg5-h4 a5-a6 f4-f3 a6-a7 f3-f2 a7-a8Q f2-f1Q Qa8-d8+ Kh4-g3 Qf5xf1 Qg2xf1
Qd8xd6 Qf1-b1+ Kb5-a6 Kg3xg4 Qd6-e6+ Kg4-g3) -5.28/39 11} 9. Kc2 Ke7
{(Kd8-e7 Na4-b6 Ke7-d8 Qa6-b5 Qb8-b7 Nb6-a4 Qb7-c7 Kc2-d1 Be1-f2 Qb5-a6
Bf2-d4 Qa6-a8+ Qc7-c8 Qa8xa5+ Qc8-c7 Qa5-a6 Qc7-b8 Kd1-c2 g5-g4 f3xg4 h5xg4
h3xg4 Kd8-e7 Na4-b6 Ke7-f7 a3-a4 Kf7-g6 Kc2-b3 Kg6-g5 a4-a5 Bd4-e3 Kb3-a4
Be3-d2 Qa6-b5 Kg5xg4 Qb5-d7+ Kg4-g3 Ka4-b5 Bd2xa5 Qd7-g7+ Kg3-f2 Kb5xa5
Kf2-e3 Qg7-g6 Qb8-d8 Ka5-a6 Qd8-c7 Qg6-e6 Ke3-f2 Qe6-g4 Qc7-h7 Nb6-c8
Qh7-c7 Nc8-a7 Qc7-h7 Na7-b5 Qh7xe4 Nb5xd6 Qe4xg2 Qg4-e6 Kf2-e1) -5.38/39
17} 10. Nb6 Kd8 {(Ke7-d8 Qa6-b5 Qb8-b7 Nb6-a4 Qb7-c7 Kc2-d1 Be1-f2 Qb5-a6
Bf2-d4 Qa6-a8+ Qc7-c8 Qa8xa5+ Qc8-c7 Qa5-a6 Qc7-b8 Kd1-c2 g5-g4 f3xg4 h5xg4
h3xg4 Kd8-e7 Na4-b6 Ke7-f7 a3-a4 Kf7-g6 Kc2-b3 Bd4-e3 a4-a5 Be3-d2 Kb3-a4
Kg6-g5 Qa6-b5 Kg5xg4 Qb5-d7+ Kg4-g3 Ka4-b5 Bd2xa5 Qd7-g7+ Kg3-f2 Kb5xa5
Kf2-e3 Qg7-g6 Qb8-c7 Ka5-a6 Ke3-f2) -5.18/40 11} 11. Qb5 Qb7 {(Qb8-b7
Nb6-a4 Qb7-c7 Kc2-d1 Be1-h4 Qb5-a6 Qc7-b8 Qa6xa5+ Kd8-e7 Qa5-b6 Qb8-a8
Na4-c3 Qa8xa3 Qb6xd6+ Ke7-f7 Qd6-e6+ Kf7-f8 Qe6-h6+ Kf8-g8 Kd1-c2 Bh4-e1
Qh6xg5+ Kg8-f8 Qg5-f6+ Kf8-g8 Qf6xe5 Be1xc3 Qe5xc3 Qa3-a2+ Qc3-b2 Qa2xc4+
Kc2-d2 Kg8-f7 Qb2-b7+ Kf7-f6 Qb7-b6+ Kf6-e7 Qb6-e6+ Ke7-d8 Qe6-d6+ Kd8-e8
Qd6xf4 Qc4-b4+ Kd2-e2 Qb4-b5+ Ke2-f2) -5.22/39 12} 12. Na4 Qc7 {(Qb7-c7
Kc2-d1 Be1-f2 Qb5-a6 Bf2-d4 Qa6-a8+ Kd8-d7 Kd1-c2 Bd4-a1 Kc2-b3 Ba1-d4
Kb3-a2 Bd4-e3 Qa8-g8 h5-h4 Na4-c3 a5-a4 Nc3-b5 Qc7-b6 Qg8-g7+ Kd7-d8
Qg7xg5+ Kd8-d7 Qg5-g4+ Kd7-e8 Qg4-g8+ Ke8-d7 Qg8-h7+ Kd7-e8 Ka2-b2 Be3-f2
Kb2-c2 Ke8-d8 Qh7-h8+ Kd8-e7 Qh8-g7+ Ke7-e8 Qg7-g4 Ke8-d8 Qg4-e6 Bf2-d4
Qe6-f6+ Kd8-d7 Qf6xh4 Kd7-c8) -5.62/42 49} 13. Kd1 Bh4 {(Be1-h4 Qb5-a6
Qc7-b8 Qa6xa5+ Kd8-e7 Qa5-b6 Qb8-a8 Na4-c3 Qa8xa3 Qb6xd6+ Ke7-f7 Qd6-e6+
Kf7-g7 Qe6xe5+ Kg7-g6 Qe5-d6+ Kg6-f7 Qd6-c7+ Kf7-g8 Kd1-c2 Bh4-e1 Qc7-b8+
Kg8-f7 Qb8-b7+ Kf7-f8 Qb7-b3 Qa3-a1 Nc3-b5 Qa1-a5 Kc2-b1 Kf8-g8 e4-e5 g5-g4
d5-d6 Qa5-d2 h3xg4 h5xg4 Qb3-c2 Qd2-e3 d6-d7 Be1-a5 Qc2-g6+ Kg8-h8 Qg6-f6+
Kh8-h7 Qf6-h4+ Kh7-g7 Qh4-g5+ Kg7-h7 d7-d8Q) -5.44/41 37} 14. Qa6 Qb8
{(Qc7-b8 Qa6xa5+ Kd8-e7 Qa5-b6 Qb8-a8 Na4-c3 Qa8xa3 Qb6xd6+ Ke7-f7 Qd6-e6+
Kf7-g7 Qe6xe5+ Kg7-g6 Qe5-d6+ Kg6-h7 Qd6-d7+ Kh7-h8 Qd7-e8+ Kh8-g7 Kd1-c2
Bh4-e1 Qe8-e5+ Kg7-g6 Qe5-d6+ Kg6-h7 Qd6-c7+ Kh7-g8 Qc7-b8+ Kg8-f7 Qb8-b7+
Kf7-g8 Qb7-b2 Qa3-a5 Nc3-b1 Qa5-a4+ Qb2-b3 Qa4-a1 d5-d6 g5-g4 h3xg4 h5xg4
f3xg4 Qa1-a8 Qb3-d3 Kg8-g7 d6-d7 Qa8-a2+ Kc2-c1 Be1-a5 e4-e5 Qa2xg2 d7-d8Q
Ba5xd8 Qd3xd8 Qg2-h1+ Kc1-c2) -4.80/44 28} 15. Qxa5+ Ke7 {(Kd8-e7 Qa5-b6
Qb8-a8 Na4-c3 Qa8xa3 Qb6xd6+ Ke7-f7 Qd6-e6+ Kf7-g7 Qe6xe5+ Kg7-g6 Kd1-c2
Bh4-e1 Qe5-d6+ Kg6-h7 Qd6-c7+ Kh7-g8 Qc7-c8+ Kg8-h7 Qc8-b7+ Kh7-h6 Qb7-b6+
Kh6-g7 Qb6-b2 Qa3-a5 Nc3-b1+ Kg7-g6 Qb2-a3 Kg6-f6 Qa3xa5 Be1xa5 Kc2-b3
Kf6-e5 Nb1-c3 Ba5-d8 Nc3-e2 Bd8-e7 Kb3-a4 g5-g4 Ka4-b5 g4-g3 Kb5-c6 h5-h4
Ne2-c1 Ke5-d4 d5-d6 Be7-f6 Nc1-b3+ Kd4xc4 Nb3xc5 Kc4-d4 Nc5-d7 Bf6-e5
Nd7xe5 Kd4xe5 d6-d7 Ke5-f6) -7.59/47 101} 16. Qb6 Qa8 {(Qb8-a8 Na4-c3
Qa8xa3 Qb6xd6+ Ke7-f7 Qd6-e6+ Kf7-g7 Qe6xe5+ Kg7-g6 Qe5-d6+ Kg6-f7 Qd6-c7+
Kf7-g6 Qc7-b6+ Kg6-f7 Kd1-c2 Bh4-e1 Qb6-b7+ Kf7-g8 Qb7-b3 Qa3-a5 Nc3-b1
Qa5-a1 Qb3-a3 Qa1-e5 Qa3xc5 g5-g4 h3xg4 Qe5-a1 Qc5-c8+ Kg8-g7 Qc8-b7+
Kg7-g8 Qb7-b8+ Kg8-h7 g4xh5 Qa1-d4 Qb8-c7+ Kh7-h6 Qc7xf4+ Kh6xh5 Nb1-d2
Kh5-g6 Kc2-d1 Be1xd2 Qf4xd2 Qd4xc4 Kd1-e1 Qc4-c5) -7.52/44 10} 17. Nc3 Qxa3
{(Qa8xa3 Qb6xd6+ Ke7-f7 Qd6-e6+ Kf7-g7 Qe6xe5+ Kg7-h7 Kd1-c2 Bh4-e1 Qe5-c7+
Kh7-g8 Qc7-c8+ Kg8-g7 Qc8-b7+ Kg7-h6 Qb7-b6+ Kh6-h7 Qb6-b2 Qa3-a5 e4-e5
Be1xc3 Qb2xc3 Qa5-a2+ Kc2-c1 Kh7-g8 d5-d6 Kg8-f7 d6-d7 Kf7-e7 e5-e6 Qa2-a8
Qc3-e5 Qa8-a3+ Kc1-d1 Qa3-d3+ Kd1-e1 g5-g4 Qe5-g5+ Ke7xe6 d7-d8Q Qd3-e3+
Ke1-d1 Qe3-b3+ Kd1-d2 Qb3-b4+ Kd2-e2 Qb4xc4+ Qd8-d3) -7.78/45 27} 18. Qxd6+
Kf7 {(Ke7-f7 Qd6-e6+ Kf7-g7 Qe6xe5+ Kg7-h7 Qe5-c7+ Kh7-g8 Kd1-c2 Bh4-e1
Qc7-c8+ Kg8-g7 Qc8-b7+ Kg7-f8 Qb7-b3 Qa3-a5 Kc2-b2 g5-g4 e4-e5 Qa5-c7 d5-d6
Qc7-c8 Nc3-e4 Qc8-e8 Kb2-c2 g4xf3 g2xf3 Qe8xe5 Qb3-b8+ Kf8-g7 Qb8-a7+
Kg7-g6 d6-d7 Be1-h4 Qa7-b6+ Kg6-f7 d7-d8N+ Bh4xd8 Qb6xd8 Qe5-d4 Qd8-c7+
Kf7-g8 Qc7-c8+ Kg8-f7) -7.66/40 11} 19. Qe6+ Kg7 {(Kf7-g7 Qe6xe5+ Kg7-h7
Qe5-c7+ Kh7-g8 Qc7-c8+ Kg8-g7 Kd1-c2 Bh4-e1 Qc8-b7+ Kg7-g8 Qb7-b3 Qa3-a5
Nc3-b1 Qa5-a1 Qb3-a3 Qa1-d4 Qa3-d3 Qd4-a1 d5-d6 Qa1-a2+ Kc2-c1 Qa2xg2 d6-d7
Be1-a5 d7-d8Q+ Ba5xd8 Qd3xd8+ Kg8-f7 Qd8-d7+ Kf7-f8 Qd7-f5+ Kf8-e7 Qf5xc5+
Ke7-f7 Qc5-f5+ Kf7-e7 Qf5-e5+ Ke7-f8 Nb1-d2 g5-g4 Qe5-c5+ Kf8-g7 Qc5-g5+
Kg7-f8 h3xg4 h5xg4 Qg5xf4+ Kf8-e8) -7.84/43 25} 20. Qxe5+ Kg6 {(Kg7-g6
Qe5-e6+ Kg6-h7 Qe6-d7+ Kh7-h6 Qd7-c6+ Kh6-g7 Qc6-b7+ Kg7-g8 Kd1-c2 Bh4-e1
Qb7-b3 Qa3-a5 Nc3-b1 Qa5-a1 Qb3-a3 Qa1-d4 Qa3-d3 Qd4-a1 d5-d6 Kg8-g7 d6-d7
Qa1-a2+ Kc2-d1 Be1-a5 Nb1-d2 Qa2-a1+ Kd1-e2 Qa1-h1 d7-d8Q Qh1xg2+ Ke2-d1
Qg2-h1+ Kd1-c2 Ba5xd8 Qd3xd8 Qh1xh3 Qd8xg5+ Kg7-f7 Qg5-d5+ Kf7-g6 Qd5-g8+
Kg6-h6 Qg8-h8+ Kh6-g6 Qh8-e8+ Kg6-h7 Qe8-e7+ Kh7-g8 e4-e5 Qh3-g3 Kc2-c3
h5-h4 Qe7-e8+ Kg8-g7) -8.01/46 38} 21. Qe6+ Kg7 {(Kg6-g7) -8.04/42 15} 22.
Qd7+ Kg6 {(Kg7-g6 Qd7-d6+) -8.38/52 88} 23. Qd6+ Kg7 {(Kg6-g7 Qd6-c7+
Kg7-f8 Qc7-c8+ Kf8-g7 Qc8-b7+ Kg7-f8 Kd1-c2 Bh4-e1 Qb7-b3 Qa3-a5 Kc2-b2
g5-g4 e4-e5 Qa5-c7 d5-d6 Qc7-c8 Nc3-e4 Qc8-e8 Kb2-c2 Qe8xe5 Qb3-b8+ Kf8-g7
Qb8-b7+ Kg7-g6 d6-d7 Be1-h4 Qb7-b6+ Kg6-g7 d7-d8Q Bh4xd8 Qb6xd8 Kg7-h6
Kc2-b3 Kh6-g7 Qd8-d5 Qe5-e7 h3xg4 h5xg4 f3xg4 Kg7-h8 Kb3-c2 Qe7-g7 Qd5-h5+
Kh8-g8 Qh5xc5 Qg7-a1) -8.50/44 39} 24. Qc7+ Kg8 {(Kg7-g8 Qc7-b8+) -8.43/39
31} 25. Qb8+ Kf7 {(Kg8-f7 Kd1-c2 Bh4-e1 Qb8-b7+ Kf7-f8 Qb7-b3 Qa3-a5 Kc2-b2
g5-g4 e4-e5 Qa5-c7 d5-d6 Qc7-c8 Nc3-e4 Qc8-e8 Kb2-c2 g4xf3 g2xf3 Qe8xe5
Qb3-b8+ Qe5-e8 Qb8-a7 Be1-h4 d6-d7 Qe8-e6 Qa7xc5+ Kf8-g7 Qc5-c7 Kg7-g6
Qc7-c8 Kg6-f7 Kc2-d3 Qe6-b6 Qc8-e8+ Kf7-g7 Qe8-e5+ Kg7-g8 Qe5-d6 Qb6-b3+
Ne4-c3 Qb3-b7 Kd3-c2 Qb7xf3 d7-d8Q+ Bh4xd8 Qd6xd8+ Kg8-g7 Qd8-c7+ Kg7-h6)
-8.40/36 7} 26. Kc2 Be1 {(Bh4-e1 Qb8-b7+ Kf7-g8 Qb7-b3 Qa3-a5 Nc3-b1 Qa5-a1
Qb3-a3 Qa1-d4 Qa3-d3 Qd4-f2+ Nb1-d2 Kg8-f8 d5-d6 Be1xd2 Qd3xd2 Qf2-f1
Qd2-d3 Qf1-a1 d6-d7 Qa1-a2+ Kc2-d1 Qa2-a1+ Kd1-e2 Qa1-b2+ Ke2-f1 Qb2-c1+
Kf1-f2 Qc1-e3+ Qd3xe3 f4xe3+ Kf2xe3 Kf8-e7 d7-d8B+ Ke7xd8 e4-e5 Kd8-d7
Ke3-e4 Kd7-e6 h3-h4 g5xh4 f3-f4 Ke6-d7 f4-f5 Kd7-e8 e5-e6 Ke8-e7 Ke4-e5
h4-h3 g2xh3) -8.67/38 27} 27. Qb7+ Kg8 {(Kf7-g8 Qb7-b3) -8.72/38 64} 28.
Qb3 Qa5 {(Qa3-a5 Nc3-b1 Qa5-a1 Qb3-a3 Qa1-d4 Qa3-d3 Qd4-a1 d5-d6 Qa1-a4+
Kc2-c1 Kg8-g7 e4-e5 g5-g4 h3xg4 h5xg4 e5-e6 g4xf3 g2xf3 Be1-f2 d6-d7 Bf2-h4
Qd3-e4 Bh4-e7 Qe4xf4 Be7-f6 Nb1-d2 Qa4-a1+ Kc1-c2 Qa1-c3+ Kc2-d1 Qc3-d4
Qf4xd4 c5xd4 Nd2-e4 Bf6-d8 Kd1-e2 Kg7-g6 Ke2-d3 Kg6-f5 e6-e7 Bd8xe7 Kd3xd4
Kf5-e6) -8.71/34 9} 29. Nb1 Qa1 {(Qa5-a1 Qb3-a3 Qa1-f6 Qa3xc5 Qf6-a1 d5-d6
Qa1-a2+ Kc2-c1 Be1-f2 Qc5xg5+ Kg8-h7 Qg5xh5+ Kh7-g7 Qh5-d5 Qa2-a1 Qd5-b5
Kg7-f6 d6-d7 Kf6-e7 e4-e5 Bf2-e3+ Kc1-d1 Qa1-a7 Nb1-c3 Qa7xd7+ Nc3-d5+
Ke7-e6 Qb5-a6+ Ke6-f7 Qa6-f6+ Kf7-g8 Kd1-e2 Qd7-a7 Qf6-g6+ Kg8-f8) -8.73/32
5} 30. Qa3 Qe5 {(Qa1-e5 Qa3xc5 Kg8-g7 Qc5-b6 Kg7-f7 Qb6-b7+ Kf7-f8 Qb7-c8+
Kf8-g7 Qc8-d7+ Kg7-h6 Qd7-c6+ Kh6-g7 d5-d6 Qe5-a1 Qc6-b5 Qa1-a2+ Qb5-b2+
Qa2xb2+ Kc2xb2 Be1-b4 d6-d7 Bb4-e7 c4-c5 Kg7-f6 c5-c6 Kf6-e6 e4-e5 Be7-d8
Nb1-c3 Ke6xe5 Nc3-b5 Ke5-f6 Kb2-b3 Bd8-b6 Kb3-c4 Kf6-e6 Kc4-d3 Ke6-e7
Kd3-e4 Ke7-e6 h3-h4 g5xh4) -8.77/36 35} 31. Qxc5 g4 {(g5-g4 h3xg4) -9.35/36
36} 32. hxg4 Qa1 {(Qe5-a1 Qc5-c8+ Kg8-f7 Qc8-b7+ Kf7-e8 d5-d6 Qa1-a4+
Kc2-b2 Qa4-b4+ Qb7xb4 Be1xb4 g4xh5 Bb4xd6 Kb2-c3 Bd6-c5 Kc3-d3 Ke8-e7 e4-e5
Ke7-e6 Kd3-e4 Bc5-b4 h5-h6 Ke6-f7 Ke4-d4 Kf7-g6 Nb1-c3 Kg6xh6 Nc3-d5 Bb4-f8
c4-c5 Kh6-g6 c5-c6 Kg6-f5 c6-c7 Bf8-a3 c7-c8Q+ Kf5-g5 Qc8-d8+ Kg5-g6
Qd8-b6+ Kg6-h5) -9.42/29 3} 33. Qc8+ Kf7 {(Kg8-f7 Qc8-b7+ Kf7-g8 Qb7-b8+
Kg8-h7 g4xh5 Qa1-d4 Qb8-c7+ Kh7-h6 Qc7xf4+ Kh6xh5 Qf4-f5+ Kh5-h6 Qf5-e6+
Kh6-g7 d5-d6 Qd4-f2+ Kc2-d1 Qf2-g1 Qe6-d5 Be1-g3+ Kd1-c2 Qg1-a7 Kc2-d3
Qa7-a1 Qd5-b7+ Kg7-f8 c4-c5 Bg3-e5 Qb7-c8+ Kf8-g7 Nb1-d2 Qa1-d4+ Kd3-e2
Qd4xd2+ Ke2xd2 Be5-a1 c5-c6) -9.32/30 2} 34. Qb7+ Kg8 {(Kf7-g8 g4xh5
Qa1-a2+ Kc2-d3 Qa2xg2 Qb7-c8+ Kg8-g7 Qc8-c7+ Kg7-h6 Qc7xf4+ Kh6xh5 Nb1-d2
Qg2-f2 Qf4-e3 Qf2-h4 e4-e5 Be1xd2 Qe3xd2 Qh4-h1 f3-f4 Qh1-b1+ Qd2-c2 Qb1-h1
Qc2-e2+ Kh5-h6 e5-e6 Qh1-b1+ Kd3-c3 Qb1-a1+ Kc3-d2 Qa1-b2+ Kd2-e3 Qb2-c1+
Ke3-e4 Qc1-b1+ Ke4-e5 Qb1-a1+ Ke5-f5 Qa1-b1+ Qe2-e4 Qb1-g1 e6-e7 Qg1-g6+
Kf5-e5 Qg6-g7+ Ke5-d6) -10.10/35 25} 35. gxh5 Qd4 {(Qa1-d4 Qb7-b8+ Kg8-h7
Qb8-c7+ Kh7-h6 Qc7xf4+ Kh6xh5 Qf4-g4+ Kh5-h6 Qg4-e6+ Kh6-g7 d5-d6 Qd4-f2+
Kc2-d1 Qf2-g1 Qe6-d5 Be1-g3+ Kd1-c2 Qg1-a7 c4-c5 Qa7-a4+ Kc2-c1 Bg3-f4+
Nb1-d2 Qa4-d7 Kc1-d1 Kg7-f8 Kd1-e2 Kf8-g7 Nd2-c4 Qd7-a4 c5-c6 Qa4-c2+
Nc4-d2 Bf4xd2 Qd5xd2 Qc2xc6 d6-d7 Qc6-b5+ Ke2-e3 Qb5-b3+ Qd2-d3) -10.13/31
1} 36. Qb8+ Kh7 {(Kg8-h7 Qb8-c7+ Kh7-h6 Qc7xf4+ Kh6xh5 Qf4-g4+ Kh5-h6
Qg4-e6+ Kh6-g7 d5-d6 Qd4-f2+ Kc2-d1 Qf2-g1 Qe6-d5 Kg7-f8 Nb1-d2 Be1xd2+
Kd1xd2 Qg1xg2+ Kd2-c3 Qg2xf3+ Kc3-b4 Qf3-e3 c4-c5 Qe3-e1+ Kb4-b5 Qe1-b1+
Kb5-a6 Qb1-e1 d6-d7 Qe1-a1+ Ka6-b7 Qa1-b1+ Kb7-c6) -10.36/34 5} 37. Qc7+
Kh6 {(Kh7-h6 Qc7xf4+ Kh6xh5 Qf4-f5+ Kh5-h6 Qf5-e6+ Kh6-g7 d5-d6 Qd4-f2+
Kc2-d1 Qf2-g1 Qe6-d5 Be1-b4+ Kd1-c2 Qg1-a7 d6-d7 Qa7-a4+ Kc2-c1 Bb4-e7
c4-c5 Be7-f6 e4-e5 Bf6-d8 c5-c6 Qa4-a1 e5-e6 Bd8-f6 Qd5-e4 Qa1-a5 Kc1-d1
Bf6-e7 Qe4-c4 Be7-d8) -10.87/35 7} 38. Qxf4+ Kxh5 {(Kh6xh5 Qf4-f5+ Kh5-h6
Qf5-e6+ Kh6-g7 d5-d6 Qd4-f2+ Kc2-d1 Qf2-g1 Qe6-d5 Be1-b4+ Kd1-c2 Qg1-a7
d6-d7 Qa7-a4+ Kc2-c1 Bb4-e7 c4-c5 Be7-f6 c5-c6 Qa4-a1 Qd5-b5 Qa1-a7 Kc1-c2
Qa7-a2+ Kc2-d1 Qa2xg2 Nb1-d2 Qg2-g1+ Kd1-c2) -10.89/28 3} 39. Qf5+ Kh6
{(Kh5-h6 Qf5-e6+ Kh6-g7 d5-d6 Qd4-f2+ Kc2-d1 Qf2-g1 Qe6-d5 Kg7-f8 Nb1-d2
Be1-h4+ Kd1-c2 Qg1-a1 e4-e5 Qa1-a2+ Kc2-d1 Qa2-a1+ Kd1-e2 Qa1-e1+ Ke2-d3
Bh4-g5 Kd3-c2 Bg5xd2 Qd5xd2 Qe1-f1 Kc2-c3 Qf1-a1+ Kc3-b4 Qa1-a7 e5-e6
Qa7-b6+ Kb4-c3 Qb6-a5+ Kc3-c2 Qa5-a2+ Kc2-d3 Qa2-b3+ Kd3-d4) -11.53/34 10}
40. Qe6+ Kg7 {(Kh6-g7 d5-d6 Qd4-f2+ Kc2-d1 Qf2-g1 Qe6-d5 Be1-b4+ Kd1-c2
Qg1-a7 d6-d7 Qa7-a4+ Kc2-c1 Bb4-e7 c4-c5 Be7-f6 c5-c6 Qa4-a1 Qd5-b5 Qa1-a7
Nb1-d2 Qa7-a1+ Kc1-c2 Qa1-c3+ Kc2-d1 Bf6-d8 Qb5-d5 Qc3-a1+ Kd1-e2 Bd8-c7
e4-e5 Qa1-a6+ Qd5-c4 Qa6-a8 Qc4-g4+ Kg7-f7 Qg4-h5+ Kf7-g7) -11.49/35 17}
41. d6 Qf2+ {(Qd4-f2+ Kc2-d1 Qf2-g1 Qe6-d5 Be1-b4+ Kd1-c2 Qg1-a7 d6-d7
Qa7-a4+ Kc2-c1 Bb4-e7 c4-c5 Be7-f6 c5-c6 Qa4-a1 Qd5-b5 Qa1-a7 Nb1-d2
Qa7-a1+ Kc1-c2 Qa1-c3+ Kc2-d1 Bf6-d8 Kd1-e2 Bd8-c7 Qb5-g5+ Kg7-h7 Qg5-d5)
-11.90/30 4} 42. Kd1 Qg1 {(Qf2-g1 Nb1-d2) -14.28/28 26} 43. Nd2 Bh4+
{(Be1-h4+ Kd1-c2 Qg1-e3 e4-e5 Bh4-g5 Qe6-d5 Bg5-d8 e5-e6 Bd8-f6 c4-c5
Qe3-c3+ Kc2-d1 Qc3-a1+ Kd1-e2 Qa1-a6+ Qd5-c4 Qa6-c6 Nd2-e4 Bf6-h4 e6-e7
Kg7-h8 Qc4-d4+ Kh8-h7 Qd4-e5 Qc6-a6+ Ke2-e3) -14.76/26 11} 44. Kc2 Qxg2
{(Qg1xg2 c4-c5) -17.36/25 14} 45. c5 Be1 {(Bh4-e1 Qe6-d5 Qg2-g1 Qd5-e5+
Kg7-g6 d6-d7 Be1-h4 Qe5-d6+ Kg6-h5 Qd6-d5+ Kh5-h6 c5-c6 Qg1-a7 Qd5-d6+
Kh6-h5 Kc2-d3 Qa7-a6+ Nd2-c4) -11.43/19 0} 46. Qd5 Qg1 {(Qg2-g1 d6-d7
Be1-h4 Qd5-e5+ Kg7-g6 c5-c6 Bh4-g5 f3-f4 Bg5-h4 c6-c7 Qg1-a7 Qe5-f5+ Kg6-h6
c7-c8Q Qa7-a4+ Kc2-d3) -25.31/30 2} 47. d7 Bh4 {(Be1-h4 Qd5-e5+ Bh4-f6
d7-d8Q Bf6xe5 Qd8-e7+ Kg7-g8 Qe7xe5 Qg1-g6 Qe5-d5+ Qg6-f7 c5-c6 Kg8-h8
Qd5-d4+ Kh8-h7 Qd4-d7 Kh7-h8 Qd7-c8+ Kh8-h7 Qc8-b7 Kh7-h8 c6-c7 Qf7-a2+
Kc2-d3 Qa2-a3+ Kd3-e2 Qa3-c5 c7-c8Q+ Qc5xc8 Qb7xc8+ Kh8-g7 Qc8-d8 Kg7-f7
Nd2-c4 Kf7-g6 Nc4-e5+ Kg6-g7 Qd8-e7+ Kg7-h6 Qe7-e6+ Kh6-g7) -M22/44 7} 48.
Qe5+ Bf6 {(Bh4-f6 d7-d8Q Bf6xe5 Qd8-e7+ Kg7-g8 Qe7xe5 Qg1-g6 Qe5-d5+ Kg8-g7
c5-c6 Kg7-h6 Qd5-d7 Qg6-g5 Qd7-e6+ Kh6-h5 Qe6-f5 Kh5-h6 Qf5xg5+ Kh6xg5
c6-c7 Kg5-f4 c7-c8Q Kf4-e5 Qc8-c7+ Ke5-e6 Nd2-c4 Ke6-f6 Nc4-e3 Kf6-g5
Ne3-f5 Kg5-f6 Qc7-g7+ Kf6-e6 Qg7-e7+) -M17/59 5} 49. d8=Q Bxe5 {(Bf6xe5
Qd8-e7+ Kg7-g8 Qe7xe5 Qg1-g6 Qe5-d5+ Kg8-g7 c5-c6 Kg7-h6 Qd5-d7 Qg6-g5
Qd7-e6+ Kh6-g7 c6-c7 Qg5-c5+ Qe6-c4 Qc5-f8 c7-c8Q Qf8xc8 Qc4xc8 Kg7-f6
Nd2-c4 Kf6-e7 Nc4-e3 Ke7-f6 Ne3-f5 Kf6-e5 Qc8-c7+ Ke5-f6 Qc7-g7+ Kf6-e6
Qg7-e7+) -M16/64 3} 50. Qe7+ Kg8 {(Kg7-g8 Qe7xe5 Qg1-g6 Qe5-d5+ Kg8-g7
c5-c6 Kg7-h6 Qd5-d7 Qg6-g5 Qd7-e6+ Kh6-g7 c6-c7 Qg5-c5+ Qe6-c4 Qc5-f8
c7-c8Q Qf8xc8 Qc4xc8 Kg7-f6 Nd2-c4 Kf6-e7 Qc8-c7+ Ke7-e6 Qc7-d6+ Ke6-f7
Nc4-e5+ Kf7-g8 Qd6-g6+ Kg8-f8 Qg6-f7+) -M15/65 3} 51. Qxe5 Qg6 {(Qg1-g6
Qe5-d5+ Kg8-g7 c5-c6 Kg7-h6 Qd5-d7 Qg6-g5 Qd7-e6+ Kh6-g7 c6-c7 Qg5-c5+
Qe6-c4 Qc5-f8 c7-c8Q Qf8xc8 Qc4xc8 Kg7-f6 Nd2-c4 Kf6-e7 Qc8-c7+ Ke7-e6
Qc7-d6+ Ke6-f7 Nc4-e5+ Kf7-g8 Qd6-g6+ Kg8-f8 Qg6-f7+) -M14/67 4 Black
resigns} 52. Qd5+ Kg7 {(Kg8-g7 c5-c6 Kg7-h6 Qd5-d7 Qg6-g5 Qd7-e6+ Kh6-g7
c6-c7 Qg5-c5+ Qe6-c4 Qc5-f8 c7-c8Q Qf8xc8 Qc4xc8 Kg7-f6 Nd2-c4 Kf6-e7
Qc8-c7+ Ke7-e6 Qc7-d6+ Ke6-f7 Nc4-e5+ Kf7-g8 Qd6-g6+ Kg8-f8 Qg6-f7+)
-M13/68 5 Black resigns} 53. c6 Kh6 {(Kg7-h6 Nd2-c4 Qg6-g7 Qd5-d2+ Kh6-h5
Qd2-h2+ Kh5-g5 Qh2-g3+ Kg5-f6 Qg3xg7+ Kf6xg7 c6-c7 Kg7-h6 c7-c8Q Kh6-g7
Qc8-f5 Kg7-g8 Qf5-f6 Kg8-h7 Nc4-e5 Kh7-g8 Qf6-g6+ Kg8-f8 Qg6-f7+) -M12/69 4
Black resigns} 54. Nc4 Qg7 {(Qg6-g7 Qd5-d2+ Kh6-h5 Qd2-h2+ Kh5-g5 Qh2-g3+
Kg5-f6 Qg3xg7+ Kf6xg7 c6-c7 Kg7-h6 c7-c8Q Kh6-g7 Qc8-f5 Kg7-g8 Qf5-f6
Kg8-h7 Nc4-e5 Kh7-g8 Qf6-g6+ Kg8-f8 Qg6-f7+) -M11/70 5 Black resigns} 55.
Qd2+ Kh5 {(Kh6-h5 Qd2-h2+ Kh5-g5 Qh2-g3+ Kg5-f6 Qg3xg7+ Kf6xg7 c6-c7 Kg7-h6
c7-c8Q Kh6-g7 Qc8-c7+ Kg7-g6 Qc7-e7 Kg6-h6 Nc4-e5 Kh6-h5 Qe7-g7 Kh5-h4
Qg7-g4+) -M10/81 5 Black resigns} 56. Qh2+ Kg6 {(Kh5-g6 Qh2-g3+ Kg6-f7
Qg3xg7+ Kf7xg7 c6-c7 Kg7-h6 c7-c8Q Kh6-g7 Qc8-c7+ Kg7-g6 Qc7-e7 Kg6-h6
Nc4-e5 Kh6-h5 Qe7-g7 Kh5-h4 Qg7-g4+) -M9/88 6 Black resigns} 57. Qg3+ Kh7
{(Kg6-h7 Qg3xg7+ Kh7xg7 c6-c7 Kg7-h6 c7-c8Q Kh6-g7 Qc8-c7+ Kg7-g6 Qc7-e7
Kg6-h6 Nc4-e5 Kh6-h5 Qe7-g7 Kh5-h4 Qg7-g4+) -M8/102 6 Black resigns} 58.
Qxg7+ Kxg7 {(Kh7xg7 c6-c7 Kg7-h6 c7-c8Q Kh6-g7 Qc8-c7+ Kg7-g6 Qc7-e7 Kg6-h6
Nc4-e5 Kh6-h5 Qe7-g7 Kh5-h4 Qg7-g4+) -M7/110 0 Black resigns} *
[/pgn]
Uri Blass
Posts: 10309
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: 10 Positions Chess Engines Just Don't Understand‎

Post by Uri Blass »

It is probably harder with longer time control when stockfish find a better defence and does not escape with the queen
[d]2k5/2p5/1q1p4/pPpPp1pp/N1P1Pp2/P4PbP/K5P1/1Q6 b - - 1 1


Stockfish_21051510_x64_avx2:
NNUE evaluation using nn-62ef826d1a6d.nnue enabled
1/1 00:00 242 242k -1.39 Qb6-a7
2/2 00:00 432 432k -2.28 Qb6-a7 b5-b6
3/3 00:00 776 776k -1.78 Qb6-b7 b5-b6 Kc8-d8
4/4 00:00 1k 1,021k -1.13 Qb6-b7 b5-b6 Kc8-d8
5/5 00:00 2k 1,574k -0.91 Qb6-b7 b5-b6 Kc8-d8
6/6 00:00 3k 2,746k -0.94 Qb6-b7 b5-b6 Qb7-a6 Qb1-b3 c7xb6 Na4xb6+ Kc8-d8
7/7 00:00 6k 2,761k -0.82 Qb6-a7 Qb1-b3 Qa7-b8 b5-b6 c7xb6 Na4xb6+ Kc8-d8
8/10 00:00 9k 4,511k -0.30 Qb6-b7 b5-b6 Qb7-a6 Qb1-b3 c7xb6 Na4xb6+ Kc8-d8
9/10 00:00 20k 6,648k -0.14 Qb6-b7 Qb1-f1 Kc8-d7 b5-b6 c7xb6 Na4-c3 Qb7-a6
10/12 00:00 111k 7,935k -0.30 Qb6-a7 Qb1-b2 Qa7-b7 Na4xc5 d6xc5 Qb2xe5 Qb7-b6 Qe5xg5 Qb6-d6
11/11 00:00 123k 7,683k -0.26 Qb6-a7 Qb1-b3 Kc8-d8 b5-b6 c7xb6 Qb3-b5 Qa7-b7 Na4xb6 Kd8-c7 Nb6-a4 Qb7xb5
12/17 00:00 213k 8,191k -0.31 Qb6-a7 Qb1-b2 Qa7-b7 b5-b6 Qb7-a6 Qb2-b5 Qa6xb5 c4xb5 Bg3-f2 b6xc7 Kc8xc7
13/19 00:00 291k 8,096k -0.43 Qb6-b7 Qb1-c2 Qb7-a7 Qc2-b2 Qa7-b7 b5-b6 Qb7-a6 Qb2-b5 Qa6xb5 c4xb5 c5-c4 b6xc7 Kc8xc7 Ka2-b1 h5-h4 Na4-b2 c4-c3 Nb2-c4 a5-a4
14/29 00:00 400k 8,519k -0.45 Qb6-a7 b5-b6 Qa7-a6 Qb1-b5 Qa6xb5 c4xb5 c5-c4 b6xc7 Kc8xc7 Na4-b2 c4-c3 Nb2-c4 a5-a4 Ka2-b1 Bg3-f2 Kb1-c2 Bf2-d4 b5-b6+ Bd4xb6 Kc2xc3 Bb6-c5 Kc3-d3
15/24 00:00 556k 8,557k -0.82 Qb6-a7 b5-b6 Qa7-a6 Qb1-b5 Qa6xb5 c4xb5 c5-c4 b6xc7 Kc8xc7 Na4-b2 c4-c3 Nb2-c4 a5-a4 b5-b6+ Kc7-b7 Ka2-b1 Bg3-f2 Kb1-c2 Bf2-d4 Nc4xd6+ Kb7xb6
16/25 00:00 789k 9,072k -0.75 Qb6-b7 Qb1-b2 Bg3-e1 b5-b6 c7xb6 Qb2-b5 Kc8-d8 Na4xb6 Kd8-c7 Nb6-a4 Qb7xb5 c4xb5 c5-c4 Na4-b2 c4-c3 Nb2-c4 a5-a4 b5-b6+ Kc7-b7 Ka2-b1 Be1-f2 Kb1-c2 Bf2-d4 Nc4xd6+ Kb7xb6
17/30 00:00 1,467k 10,046k -1.32 Qb6-b7 b5-b6 Qb7-a6 Qb1-b5 Qa6xb5 c4xb5 c5-c4 b6xc7 Kc8xc7 Na4-b2 c4-c3 Nb2-c4 a5-a4 b5-b6+ Kc7-b7 Ka2-b1 Bg3-f2 Kb1-c2 Bf2-d4 Nc4xd6+ Kb7xb6 Nd6-f7 Kb6-b5 Nf7xg5 Bd4-c5 Ng5-f7 Bc5xa3 Nf7xe5 Kb5-b4
18/29 00:00 1,614k 10,151k -1.06 Qb6-b7 b5-b6 Qb7-a6 Qb1-b5 Qa6xb5 c4xb5 c5-c4 b6xc7 Kc8xc7 Na4-b2 c4-c3 Nb2-c4 a5-a4 b5-b6+ Kc7-b7 Ka2-b1 Bg3-f2 Nc4xd6+ Kb7xb6 Kb1-c2 Bf2-d4 Nd6-f7 Kb6-c5
19/36 00:00 1,860k 10,277k -1.07 Qb6-a7 Qb1-b2 Kc8-d8 b5-b6 Qa7-b7 Qb2-b5 c7xb6 Na4xb6 Kd8-c7 Nb6-a4 Qb7xb5 c4xb5 c5-c4 Na4-b2 c4-c3 Nb2-c4 a5-a4 b5-b6+ Kc7-b7 Ka2-b1 Bg3-f2 Nc4xd6+ Kb7xb6 Nd6-f7 Kb6-c5 Kb1-c2 Bf2-d4 Nf7xg5 Kc5-d6 Ng5-e6 h5-h4 Kc2-d3 Kd6-d7 Ne6xd4 e5xd4 e4-e5
20/31 00:00 2,361k 10,541k -1.39 Qb6-b7 b5-b6 Qb7-a6 Qb1-b5 Qa6xb5 c4xb5 c5-c4 b6xc7 Kc8xc7 Na4-b2 c4-c3 Nb2-c4 a5-a4 b5-b6+ Kc7-b7 Nc4xd6+ Kb7xb6 Ka2-b1 Bg3-f2 Nd6-f7 Bf2-d4 Nf7xg5 Bd4-c5 Kb1-c2 Bc5xa3 Kc2xc3 Kb6-c5 Ng5-e6+ Kc5-b5
21/37 00:00 2,561k 10,584k -1.32 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Kd8-c7 Nb6-a4 Qb7xb5 c4xb5 c5-c4 Na4-b2 c4-c3 Nb2-c4 a5-a4 b5-b6+ Kc7-b7 Nc4xd6+ Kb7xb6 Ka2-b1 Bg3-f2 Nd6-f7 Bf2-d4 Nf7xg5 h5-h4 Kb1-c2 Kb6-b5 Ng5-e6 Kb5-b6 Ne6xd4 e5xd4 d5-d6 Kb6-c6 e4-e5
22/38 00:00 3,114k 10,737k -1.26 Qb6-a7 b5-b6 Qa7-a6 Qb1-b5 Qa6xb5 c4xb5 Bg3-f2 b6xc7 c5-c4 Na4-b2 Kc8xc7 Nb2xc4 a5-a4 Ka2-b2 h5-h4 Kb2-c3 Bf2-c5 b5-b6+ Kc7-b7 Kc3-d3 Kb7-a6 Kd3-c2 Ka6-b7 Kc2-c3 Kb7-a6
23/37 00:00 3,326k 10,870k -1.08 Qb6-a7 b5-b6 Qa7-a6 Qb1-b5 Qa6xb5 c4xb5 c5-c4 b6xc7 Bg3-f2 Na4-b2 Kc8xc7 Nb2xc4 a5-a4 b5-b6+ Bf2xb6 Nc4-b2 Bb6-d4 Nb2xa4 Kc7-b7 Na4-b2 Bd4xb2 Ka2xb2 Kb7-b6 Kb2-b3 Kb6-b5 a3-a4+ Kb5-a5
24/41 00:00 5,002k 11,579k -1.34 Qb6-a7 b5-b6 Qa7-a6 Qb1-b5 Qa6xb5 c4xb5 c5-c4 b6xc7 Kc8xc7 Na4-b2 c4-c3 Nb2-c4 a5-a4 b5-b6+ Kc7-b7 Ka2-b1 Bg3-f2 Nc4xd6+ Kb7xb6 Nd6-f7 Bf2-d4 Nf7xg5 Bd4-c5 Kb1-c2 Bc5xa3 Ng5-f7 Kb6-b5 Kc2xc3 Ba3-b4+ Kc3-b2
25/42 00:00 5,832k 11,781k -1.19 Qb6-a7 b5-b6 Qa7-a6 Qb1-b5 Qa6xb5 c4xb5 Bg3-f2 b6xc7 Kc8xc7 Na4-b2 a5-a4 Nb2-c4 Bf2-d4 Ka2-b1 h5-h4 Kb1-c2 Bd4-a1 Kc2-d3 Ba1-d4 b5-b6+ Kc7-b7 Kd3-c2 Bd4-a1 Nc4xd6+ Kb7xb6 Nd6-f7 Ba1-d4 Nf7xg5 c5-c4 Ng5-f7 Kb6-c5 Nf7-h6 Kc5-b5 Nh6-f5 Bd4-c5 Nf5xh4 Bc5xa3
26/41 00:00 6,714k 11,968k -1.25 Qb6-a7 b5-b6 Qa7-a6 Qb1-b5 Qa6xb5 c4xb5 Bg3-f2 b6xc7 Kc8xc7 Na4-b2 a5-a4 Ka2-b1 Bf2-d4 Nb2-c4 Bd4-c3 Kb1-c1 Bc3-d4 Kc1-d2 Bd4-a1 Kd2-c2 Ba1-d4 Kc2-d3 Bd4-a1 b5-b6+ Kc7-b7 Nc4xd6+ Kb7xb6 Nd6-f7 Ba1-b2 Kd3-c2 Bb2-d4 Nf7xg5 c5-c4 h3-h4 Kb6-b5 Ng5-e6 Bd4-f2 Ne6-d8 Bf2xh4
27/48 00:00 8,214k 12,168k -1.32 Qb6-b7 b5-b6 Qb7-a6 Qb1-b5 Qa6xb5 c4xb5 Bg3-f2 b6xc7 Kc8xc7 Na4-b2 Bf2-d4 Nb2-c4 a5-a4 Ka2-b1 Bd4-c3 Kb1-c2 Bc3-d4 Kc2-d3 Bd4-a1 b5-b6+ Kc7-b7 Nc4xd6+ Kb7xb6 Nd6-f7 Kb6-b5 Kd3-c2 h5-h4 Nf7xg5 c5-c4 Ng5-f7 Kb5-c5 Nf7-h6 Ba1-d4 Kc2-b1 Kc5-b5 Nh6-f5 Bd4-c5 Nf5xh4 Bc5xa3
28/45 00:00 9,543k 12,250k -1.26 Qb6-b7 b5-b6 Qb7-a6 Qb1-b5 Qa6xb5 c4xb5 Bg3-f2 b6xc7 Kc8xc7 Na4-b2 Bf2-d4 Nb2-c4 a5-a4 Ka2-b1 Bd4-c3 Kb1-c2 Bc3-d4 Kc2-d3 Bd4-a1 b5-b6+ Kc7-b7 Nc4xd6+ Kb7xb6 Nd6-f7 Ba1-b2 Kd3-c2 Bb2xa3 d5-d6 c5-c4 d6-d7 Ba3-e7 d7-d8Q+ Be7xd8 Nf7xd8 a4-a3 Nd8-f7 Kb6-c5 Kc2-c3 g5-g4 h3xg4 a3-a2 Kc3-b2 h5xg4 Nf7xe5 Kc5-d4
29/42 00:00 10,613k 12,312k -1.23 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-f2 Nb6-a4 Qb7xb5 c4xb5 Bf2-d4 Na4-b6 Kd8-c7 Nb6-c4 a5-a4 Ka2-b1 Bd4-c3 b5-b6+ Kc7-b7 Kb1-c2 Bc3-d4 Kc2-d2 Kb7-a6 Kd2-d3 Bd4-a1 Nc4xd6 Ka6xb6 Kd3-d2 Ba1-d4 Kd2-c2 Kb6-a5 Nd6-f7 Ka5-b5 Nf7xg5 c5-c4 h3-h4 Kb5-b6 Ng5-e6 Bd4-f2 Kc2-c3
30/41 00:00 10,999k 12,345k -1.33 Qb6-b7 b5-b6 Qb7-a6 Qb1-b5 Qa6xb5 c4xb5 Bg3-f2 b6xc7 Kc8xc7 Na4-b2 Bf2-d4 Nb2-c4 a5-a4 Ka2-b1 Bd4-c3 Kb1-c2 Bc3-d4 Kc2-d3 Bd4-a1 Kd3-d2 Ba1-d4 Kd2-c2 Bd4-a1 Kc2-d3 Ba1-d4 b5-b6+ Kc7-b7 Nc4xd6+ Kb7xb6 Kd3-c4 Bd4-b2 Nd6-b5 Bb2-d4 Nb5-c3 Bd4xc3 Kc4xc3 Kb6-b5
31/47 00:00 11,777k 12,371k -1.23 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-f2 Nb6-a4 Qb7xb5 c4xb5 Kd8-c7 Na4-b2 a5-a4 Nb2-c4 Bf2-d4 Ka2-b1 Bd4-c3 Kb1-c2 Bc3-d4 Kc2-d3 Bd4-a1 Kd3-d2 Ba1-d4 Kd2-c2 Bd4-a1 b5-b6+ Kc7-b7 Kc2-b1 Ba1-c3 Nc4xd6+ Kb7xb6 Kb1-c2 Bc3-d4 Kc2-d3 Bd4-a1 Nd6-f7 Kb6-b5 Nf7xg5 Ba1-d4 Ng5-f7 c5-c4+ Kd3-c2 Kb5-b6
32/45 00:01 13,329k 12,422k -1.22 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-f2 Nb6-a4 Qb7xb5 c4xb5 Kd8-c7 Na4-b2 a5-a4 Nb2-c4 Bf2-d4 Ka2-b1 Bd4-c3 Kb1-c2 Bc3-d4 Kc2-d3 Bd4-a1 Kd3-d2 Ba1-d4 Kd2-c2 Bd4-a1 b5-b6+ Kc7-b7 Kc2-b1 Ba1-c3 Nc4xd6+ Kb7xb6 Kb1-c2 Bc3-d4 Kc2-d3 Bd4-a1 Nd6-f7 Kb6-b5 Nf7xg5 Ba1-d4 Ng5-f7 c5-c4+ Kd3-c2 Kb5-b6 Nf7-d6 Kb6-c5
33/51 00:01 16,386k 12,752k -1.50 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-f2 Nb6-a4 Qb7xb5 c4xb5 Kd8-c7 Na4-b2 Bf2-d4 Nb2-c4 a5-a4 Ka2-b1 Bd4-c3 Kb1-c2 Bc3-d4 Kc2-d2 Bd4-e3+ Kd2-d3 Be3-d4 b5-b6+ Kc7-b7 Nc4xd6+ Kb7xb6 Kd3-c4 Bd4-b2 Nd6-b5 Bb2-d4 Nb5-c3 Bd4xc3 Kc4xc3 Kb6-b5 Kc3-d3 c5-c4+ Kd3-c3 Kb5-c5 d5-d6 Kc5xd6 Kc3xc4 Kd6-c6 Kc4-b4 Kc6-b6 Kb4xa4 Kb6-c5 Ka4-b3
34/59- 00:03 44,449k 12,645k -2.22 Qb6-b7 b5-b6
34/63 00:06 79,083k 12,589k -2.35 Qb6-b7 b5-b6 Kc8-d8 Qb1-b5 c7xb6 Na4xb6 Bg3-f2 Nb6-a4 Qb7-c7 Qb5-a6 Bf2-e1 Ka2-b3 Qc7-b8+ Kb3-c2 Kd8-e7 Na4-b6 Ke7-d8 Qa6-b5 Qb8-b7 Nb6-a4 Qb7-c7 Qb5-a6 Qc7-b8 Na4-b6 Kd8-c7 Nb6-a8+ Kc7-d8 Qa6-c6 a5-a4 Na8-b6 Qb8-c7 Qc6-a8+ Kd8-e7 Qa8-a6 Ke7-f6 Nb6xa4 g5-g4 h3xg4 h5xg4 Qa6-c6 Be1-a5 Na4-c3 g4xf3 g2xf3
35/49+ 00:06 87,369k 12,553k -2.26 Qb6-b7
35/49 00:07 88,418k 12,545k -2.41 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Nb6-a4 Qb7-c7 Ka2-b3 Be1-f2 Qb5-a6 Qc7-b8+ Kb3-c2 Bf2-e1 Na4-b6 Kd8-c7 Nb6-a8+ Kc7-d8 Qa6-c6 a5-a4 Na8-b6 Qb8-c7 Qc6-a8+ Kd8-e7 Qa8-a6 Ke7-f6 Nb6xa4 g5-g4 h3xg4 h5xg4 Qa6-c6 Qc7-a5 Qc6xd6+ Kf6-g5 Qd6-e7+ Kg5-h6 Kc2-b3 Qa5-d2 Qe7-f6+ Kh6-h7 Qf6-f5+ Kh7-h6
36/49+ 00:07 94,002k 12,517k -2.33 Qb6-b7
36/49- 00:07 99,381k 12,495k -2.49 Qb6-b7 b5-b6
36/55 00:08 111,104k 12,457k -2.56 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Nb6-a4 Qb7-c7 Ka2-b3 Qc7-c8 Qb5-b6+ Qc8-c7 Qb6-a6 Qc7-b8+ Kb3-c2 Kd8-e7 Na4-b6 Ke7-d8 Nb6-a8 a5-a4 Na8-b6 Kd8-c7 Nb6xa4 Qb8-b7 Qa6-b5 Qb7-a8 Qb5-b6+ Kc7-c8 Na4-b2 Kc8-d7 Qb6-b5+ Kd7-c7 Nb2-d3 Be1-a5 Nd3-c1 Ba5-e1 Nc1-b3 Kc7-d8 Kc2-d1 Be1-c3 a3-a4 Kd8-c7 Kd1-c2 Bc3-e1 a4-a5 Qa8-b7 Kc2-d3 Be1-b4 Qb5-e8 Bb4-e1 Qe8-e7+ Kc7-c8 Qe7-e6+ Kc8-c7
37/66+ 00:09 116,960k 12,450k -2.48 Qb6-b7
37/66+ 00:09 117,677k 12,451k -2.39 Qb6-b7
37/66+ 00:09 118,233k 12,453k -2.27 Qb6-b7
37/66 00:09 121,885k 12,460k -2.43 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Ka2-b3 Be1-f2 Nb6-a4 Qb7-c7 Qb5-a6 Qc7-b8+ Kb3-c2 Bf2-e1 Na4-b2 Be1-f2 Qa6xa5+ Qb8-c7 Qa5-a6 g5-g4 h3xg4 h5xg4 Nb2-a4 g4xf3 g2xf3 Bf2-e1 Na4-b6 Qc7-b8 a3-a4 Kd8-c7 Nb6-a8+ Kc7-d8 a4-a5 Qb8-b4 Qa6xd6+ Kd8-e8 Na8-c7+ Ke8-f7 Qd6-e6+ Kf7-g7 Qe6xe5+ Kg7-g6 Qe5-f5+ Kg6-h6 Qf5xf4+ Kh6-g6
38/46+ 00:09 122,841k 12,459k -2.35 Qb6-b7
38/52- 00:09 124,449k 12,457k -2.51 Qb6-b7 b5-b6
38/65+ 00:10 133,445k 12,457k -2.39 Qb6-b7
38/65- 00:12 159,652k 12,506k -2.64 Qb6-b7 b5-b6
38/65+ 00:13 166,578k 12,515k -2.42 Qb6-b7
38/65 00:16 203,557k 12,529k -2.78 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Nb6-a4 Qb7-a7 Ka2-b3 Qa7-c7 Qb5-a6 Qc7-b8+ Kb3-c2 Kd8-e7 Qa6-c6 Qb8-e8 Qc6-b5 Qe8-c8 Kc2-d1 Be1-f2 Qb5xa5 Qc8-b7 Kd1-c2 g5-g4 Qa5-b5 Qb7-a8 h3xg4 h5xg4 Kc2-b3 g4xf3 g2xf3 Qa8-h8 Na4-b6 Qh8-h3 Kb3-a4 Bf2-d4 Qb5-c6 Qh3xf3 Qc6-d7+ Ke7-f6 Qd7xd6+ Kf6-g5 Qd6-e7+ Kg5-g4 d5-d6 Qf3-d1+ Ka4-b5 f4-f3
39/42- 00:19 247,849k 12,563k -2.87 Qb6-b7 b5-b6
39/50- 00:22 282,764k 12,552k -2.95 Qb6-b7 b5-b6
39/55+ 00:24 303,456k 12,560k -2.87 Qb6-b7
39/55+ 00:24 308,235k 12,554k -2.44 Qb6-b7
39/55 00:24 312,142k 12,549k -2.45 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Ka2-b3 Be1-d2 Nb6-a4 Qb7-c7 Qb5-a6 Qc7-b8+ Kb3-c2 Bd2-e1 Na4-b2 Kd8-e7 Nb2-d3 Be1-h4 Qa6-b5 Qb8-d8 Kc2-b3 g5-g4 Qb5-b7+ Ke7-f8 h3xg4 h5xg4 Kb3-a4 Qd8-e8+ Qb7-b5 Qe8-c8 Qb5-c6 Qc8-d8 f3xg4 Bh4-e7 Nd3-e1 Qd8-b8 Ne1-f3 Qb8-b2 Qc6-c8+ Kf8-f7 Qc8-d7 Qb2-c2+ Ka4xa5 Qc2xc4 Nf3-g5+ Kf7-f8 Ng5-e6+ Kf8-f7
40/52- 00:25 324,034k 12,524k -2.53 Qb6-b7 b5-b6
40/52- 00:26 328,731k 12,515k -2.62 Qb6-b7 b5-b6
40/52+ 00:26 336,525k 12,503k -2.53 Qb6-b7
40/60- 00:28 356,851k 12,483k -2.74 Qb6-b7 b5-b6
40/61- 00:34 434,926k 12,597k -2.99 Qb6-b7 b5-b6
40/61+ 00:35 450,311k 12,577k -2.76 Qb6-b7
40/61 00:37 471,010k 12,541k -2.94 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Ka2-b3 a5-a4+ Nb6xa4 Kd8-c7 Kb3-c2 Qb7-a8 Qb5-b6+ Kc7-c8 Na4-b2 Kc8-d7 Qb6-b5+ Kd7-d8 Kc2-b3 Be1-d2 Qb5-a4 Bd2-a5 Qa4-c6 Qa8-b8+ Kb3-c2 Kd8-e7 Nb2-d3 Ba5-c7 Nd3-c1 Qb8-a7 Nc1-b3 Ke7-d8 Kc2-b2 Kd8-c8 Qc6-b5 Bc7-d8 a3-a4 Qa7-b7 Kb2-c2 h5-h4 Kc2-b2 Qb7-b6 Kb2-a3 Qb6xb5 c4xb5 c5-c4 Nb3-d2 c4-c3
41/58+ 00:37 473,881k 12,536k -2.86 Qb6-b7
41/58 00:37 476,123k 12,534k -2.95 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Ka2-b3 a5-a4+ Nb6xa4 Kd8-c7 Kb3-c2 Qb7-a8 Qb5-b6+ Kc7-c8 Na4-b2 Kc8-d7 Qb6-b5+ Kd7-d8 Kc2-b3 Be1-d2 Qb5-a4 Bd2-a5 Qa4-c6 Qa8-b8+ Kb3-c2 Kd8-e7 Nb2-d3 Ba5-c7 Nd3-c1 Qb8-a7 Kc2-b2 Ke7-d8 Nc1-e2 Qa7-b8+ Kb2-c2 Bc7-a5 Qc6-a6 Qb8-c7 Ne2-c1 Kd8-e7 Qa6-a8 Ke7-d7 Nc1-b3 Ba5-e1 Qa8-g8 Qc7-b6 Qg8-f7+ Kd7-c8 Qf7-f5+ Kc8-c7 Qf5xg5
42/56 00:39 496,201k 12,514k -2.97 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Ka2-b3 a5-a4+ Nb6xa4 Kd8-c7 Kb3-c2 Qb7-a8 Qb5-b6+ Kc7-c8 Na4-b2 Kc8-d7 Qb6-b5+ Kd7-d8 Kc2-b3 Be1-d2 Qb5-a4 Bd2-a5 Qa4-c6 Qa8-b8+ Kb3-c2 Kd8-e7 Nb2-d3 Ba5-c7 Nd3-c1 Qb8-a7 Kc2-b2 Ke7-d8 Nc1-e2 Qa7-b8+ Kb2-c2 Bc7-a5 Qc6-a6 Qb8-c7 Ne2-c1 Kd8-e7 Qa6-a8 Qc7-d8 Qa8-a7+ Ba5-c7 a3-a4 Qd8-d7 Nc1-b3 Bc7-d8 Qa7-a6 g5-g4 h3xg4 h5xg4 Qa6-b5 g4xf3 g2xf3 Qd7-h3
43/63+ 00:40 505,662k 12,510k -2.89 Qb6-b7
43/63+ 00:40 509,924k 12,511k -2.81 Qb6-b7
43/63 00:41 514,044k 12,505k -2.84 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Ka2-b3 a5-a4+ Nb6xa4 Kd8-c7 Kb3-c2 Qb7-a8 Qb5-b6+ Kc7-c8 Na4-b2 Kc8-d7 Qb6-b5+ Kd7-d8 Kc2-b3 Be1-a5 Qb5-c6 Qa8-b8+ Kb3-c2 Kd8-e7 Nb2-d3 Ba5-c7 Nd3-c1 Bc7-a5 Qc6-a6 Qb8-c7 Qa6-a8 Ke7-d7 Qa8-g8 Qc7-d8 Qg8-f7+ Kd7-c8 Nc1-d3 h5-h4 Qf7-a7 Qd8-b6 Qa7-a8+ Kc8-c7 Qa8-g8 Qb6-a6 Nd3-b2 Ba5-e1 Qg8xg5 Qa6xa3 Qg5-e7+ Kc7-c8 Qe7xd6 Be1-c3 Qd6-e6+ Kc8-d8 Qe6-b6+ Kd8-c8 Qb6-c6+ Kc8-d8
44/45- 00:42 531,720k 12,476k -2.92 Qb6-b7 b5-b6
44/45- 00:44 555,367k 12,463k -3.00 Qb6-b7 b5-b6
44/63- 00:48 598,719k 12,433k -3.13 Qb6-b7 b5-b6
44/67+ 00:50 630,737k 12,399k -3.02 Qb6-b7
44/67 00:51 633,872k 12,398k -2.94 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Nb6-a4 Qb7-c7 Ka2-b3 Qc7-a7 Qb5-c6 Qa7-c7 Qc6-a6 Qc7-b8+ Kb3-c2 Kd8-e7 Na4-b6 Ke7-d8 Nb6-a8 a5-a4 Na8-b6 Kd8-c7 Nb6xa4 Qb8-b7 Qa6-b5 Qb7-a8 Na4-b2 Kc7-d8 Kc2-b3 Be1-a5 Qb5-c6 Qa8-b8+ Kb3-c2 Kd8-e7 Nb2-d3 Qb8-d8 Qc6-b7+ Ba5-c7 Nd3-f2 Ke7-f6 Nf2-d1 Bc7-a5 Qb7-h7 Ba5-e1 Nd1-b2 Be1-f2 Qh7-h6+ Kf6-f7 Qh6xh5+ Kf7-g7
45/42- 00:56 701,674k 12,347k -3.02 Qb6-b7 b5-b6
45/44- 00:59 735,865k 12,326k -3.11 Qb6-b7 b5-b6
45/58 01:03 776,543k 12,309k -3.20 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Nb6-a4 Qb7-c7 Ka2-b3 Be1-d2 Kb3-c2 Bd2-e1 Kc2-d1 Be1-f2 Qb5-a6 Bf2-d4 Qa6-a8+ Qc7-c8 Qa8xa5+ Qc8-c7 Qa5-a6 Qc7-b8 Qa6-b5 Qb8xb5 c4xb5 Kd8-c7 Kd1-d2 Bd4-e3+ Kd2-c2 Be3-d4 Kc2-d3 Kc7-b7 b5-b6 Kb7-b8 Kd3-c4 Kb8-a8 b6-b7+ Ka8xb7 Kc4-b5 c5-c4 Kb5xc4 Kb7-a8 Na4-c3 Ka8-b7 Nc3-b5 Bd4-c5 Kc4-b3 h5-h4 Nb5-c3 Kb7-a6 Nc3-b1 Bc5-e3 a3-a4 Ka6-a5 Nb1-c3 Be3-c5 Nc3-a2
46/54- 01:15 927,599k 12,332k -3.28 Qb6-b7 b5-b6
46/54- 01:25 1,055,917k 12,332k -3.36 Qb6-b7 b5-b6
46/54- 01:38 1,225,281k 12,451k -3.49 Qb6-b7 b5-b6
46/65+ 01:56 1,469,986k 12,600k -3.38 Qb6-b7
46/65- 02:06 1,592,507k 12,601k -3.66 Qb6-b7 b5-b6
46/65 02:10 1,638,661k 12,591k -3.60 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Nb6-a4 Qb7-c7 Ka2-b3 Be1-d2 Na4-b6 Qc7-b7 Kb3-c2 Bd2-e1 Nb6-a4 Qb7-c7 Kc2-d1 Be1-f2 Qb5-a6 Bf2-d4 Qa6-a8+ Qc7-c8 Qa8xa5+ Qc8-c7 Qa5-a6 Qc7-b8 Qa6-b5 Qb8xb5 c4xb5 Kd8-c7 Kd1-d2 Bd4-e3+ Kd2-c2 Be3-d4 Kc2-b3 Kc7-b7 b5-b6 Kb7-c8 Kb3-c4 Kc8-b8 b6-b7 Kb8xb7 Kc4-b5 c5-c4 Kb5xc4 Kb7-a6 Kc4-b4 Bd4-a7 Na4-b2 Ba7-b6 Nb2-c4 Bb6-c5+ Kb4-c3
47/62- 02:20 1,758,549k 12,558k -3.68 Qb6-b7 b5-b6
47/62+ 02:31 1,895,207k 12,546k -3.60 Qb6-b8
47/62+ 02:31 1,902,329k 12,545k -3.48 Qb6-b8
47/67- 02:40 2,005,260k 12,523k -3.76 Qb6-b8 b5-b6
47/67- 03:29 2,626,042k 12,505k -4.01 Qb6-b8 b5-b6
47/77 04:13 3,189,946k 12,563k -4.28 Qb6-b7 b5-b6 c7xb6 Qb1-b5 Kc8-d8 Na4xb6 Bg3-e1 Nb6-a4 Qb7-c7 Ka2-b3 Be1-f2 Qb5-a6 Qc7-b8+ Kb3-c2 Bf2-e1 Qa6-b5 Qb8-c7 Kc2-d1 Be1-f2 Qb5-a6 Bf2-d4 Qa6-a8+ Qc7-c8 Qa8xa5+ Qc8-c7 Qa5-a6 Qc7-b8 Qa6-b5 Qb8xb5 c4xb5 Kd8-c7 Kd1-d2 Kc7-b7 Kd2-c2 Kb7-c7 Kc2-b3 Kc7-b7 b5-b6 Kb7-b8 Kb3-c4 Kb8-c8 b6-b7+ Kc8xb7 Kc4-b5 c5-c4 Kb5xc4 Kb7-a6 Kc4-b4 h5-h4 Na4-c3 Ka6-b6 Nc3-a2 Bd4-g1 Na2-c1 Kb6-a6 Nc1-d3 Bg1-d4 Kb4-b3 Ka6-b6 a3-a4 Bd4-e3 Nd3-b2 Kb6-c5 Nb2-c4
48/70+ 04:32 3,420,680k 12,541k -4.20 h5-h4
48/70+ 04:32 3,420,776k 12,541k -4.07 h5-h4
48/70+ 04:33 3,430,323k 12,547k -2.15 h5-h4
48/70 04:33 3,438,088k 12,554k -2.14 h5-h4 Na4xb6+ c7xb6 Ka2-b3 Kc8-b8 Kb3-a4 Kb8-a7 Qb1-d3 Ka7-b8 Qd3-c2 Kb8-a8 Qc2-d2 Ka8-a7 Qd2-c3 Ka7-b7 Qc3-c1 Kb7-b8 Qc1-g1 Kb8-c7 Qg1-a1 Kc7-b8 Qa1-c1 Kb8-b7 Ka4-b3 Kb7-c7 Kb3-b2 Kc7-b8 Qc1-d1 Kb8-c8 Qd1-c2 Kc8-b7 Qc2-d3 Kb7-c8 a3-a4 Kc8-b8 Kb2-c3 Kb8-b7 Kc3-d2 Kb7-b8 Kd2-e2 Kb8-c7 Ke2-f1 Kc7-d8
49/51- 04:35 3,467,054k 12,567k -2.23 h5-h4 Qb1-b2
49/51- 04:36 3,478,714k 12,566k -2.31 h5-h4 Qb1-b2
49/51- 04:41 3,540,674k 12,557k -2.61 h5-h4 Qb1-b2
49/51- 04:45 3,577,803k 12,546k -2.86 h5-h4 Qb1-c2
49/51+ 04:51 3,670,889k 12,581k -2.66 h5-h4
49/51+ 04:53 3,700,948k 12,603k -2.23 h5-h4
49/51 04:53 3,704,609k 12,606k -2.14 h5-h4 Qb1-b2 Kc8-b7 Na4xb6 c7xb6 Ka2-b1 Kb7-c7 Qb2-c2 Kc7-d8 Kb1-b2 Kd8-c7 Kb2-c1 Kc7-c8 Kc1-d1 Kc8-c7 Kd1-d2 Kc7-d8 Kd2-d3 Kd8-c7 Qc2-c3 Kc7-d7 Kd3-c2 Kd7-c8 Qc3-d2 Kc8-c7 Kc2-c3 Kc7-d7 a3-a4 Kd7-e7 Qd2-c2 Ke7-d8 Kc3-d3 Kd8-d7 Qc2-d1 Kd7-c7 Qd1-c1 Kc7-d7 Qc1-f1 Kd7-d8 Kd3-e2 Kd8-c7 Ke2-d2 Kc7-d8 Kd2-c1 Kd8-d7 Kc1-d1 Kd7-d8
50/54 04:55 3,732,117k 12,633k -2.14 h5-h4 Qb1-b2 Kc8-b7 Na4xb6 c7xb6 Ka2-b1 Kb7-c7 Qb2-c2 Kc7-d8 Kb1-b2 Kd8-c7 Kb2-c1 Kc7-c8 Kc1-d1 Kc8-c7 Kd1-d2 Kc7-c8 Qc2-c3 Kc8-c7 Kd2-e2 Kc7-d8 Ke2-f1 Kd8-c7 Qc3-c1 Kc7-c8 Kf1-g1 Kc8-d8 Qc1-d2 Kd8-d7 Qd2-b2 Kd7-e8 Qb2-c3 Ke8-e7 Kg1-f1 Ke7-d8 Qc3-b3 Kd8-c8 Kf1-e2 Kc8-c7 a3-a4 Kc7-d7 Qb3-c2 Kd7-d8 Ke2-d2 Kd8-e7 Qc2-c1 Ke7-d8 Qc1-f1 Kd8-c7 Kd2-e2 Kc7-c8 Qf1-b1 Kc8-d8 Qb1-c2
51/52 04:55 3,738,672k 12,638k -2.14 h5-h4 Qb1-b2 Kc8-b7 Na4xb6 c7xb6 Ka2-b1 Kb7-c7 Qb2-c2 Kc7-d8 Kb1-b2 Kd8-c7 Kb2-c1 Kc7-c8 Kc1-d1 Kc8-c7 Kd1-d2 Kc7-c8 Qc2-c3 Kc8-c7 Kd2-e2 Kc7-d8 Ke2-f1 Kd8-d7 Qc3-d3 Kd7-c8 Qd3-d1 Kc8-c7 Qd1-c1 Kc7-d8 Kf1-g1 Kd8-d7 Qc1-b2 Kd7-e8 Qb2-d2 Ke8-d8 Qd2-c2 Kd8-c7 Qc2-b2 Kc7-b8 a3-a4 Kb8-c7 Kg1-f1 Kc7-d8 Kf1-e2 Kd8-c7 Qb2-c3 Kc7-d8 Qc3-c2 Kd8-c8 Qc2-d3 Kc8-d7 Ke2-d2
52/53 04:57 3,767,198k 12,660k -2.14 h5-h4 Qb1-b2 Kc8-b7 Na4xb6 c7xb6 Ka2-b1 Kb7-c7 Qb2-c2 Kc7-d8 Kb1-b2 Kd8-c7 Kb2-c1 Kc7-c8 Kc1-d1 Kc8-c7 Kd1-d2 Kc7-c8 Qc2-c3 Kc8-c7 Kd2-e2 Kc7-d8 Ke2-f1 Kd8-d7 Qc3-d3 Kd7-c8 Qd3-d1 Kc8-c7 Qd1-c1 Kc7-d8 Kf1-g1 Kd8-d7 Qc1-b2 Kd7-e8 Kg1-f1 Ke8-d8 a3-a4 Kd8-e8 Kf1-e2 Ke8-d8 Qb2-a1 Kd8-e8 Ke2-d3 Ke8-d7 Kd3-d2 Kd7-e8 Qa1-d1 Ke8-d8 Qd1-e2 Kd8-d7 Kd2-c3 Kd7-e7 Qe2-c2 Bg3-e1+ Kc3-b2
53/58 05:06 3,889,471k 12,674k -2.15 h5-h4 Qb1-b2 Kc8-b7 Ka2-b3 Kb7-c8 Kb3-c2 Kc8-b7 Na4xb6 c7xb6 a3-a4 Kb7-c7 Qb2-c1 Kc7-d8 Qc1-h1 Kd8-e8 Kc2-b2 Ke8-d7 Kb2-b1 Kd7-c8 Kb1-a1 Kc8-c7 Qh1-f1 Kc7-c8 Qf1-g1 Kc8-d8 Qg1-b1 Kd8-d7 Qb1-a2 Kd7-d8 Ka1-b2 Kd8-c8 Qa2-a3 Kc8-b8 Kb2-c3 Kb8-b7 Kc3-d3 Kb7-c7 Kd3-e2 Kc7-d8 Qa3-a2 Kd8-c7 Qa2-b1 Kc7-d8 Qb1-g1 Kd8-c7 Qg1-d1 Kc7-c8 Qd1-d2 Kc8-c7 Qd2-a2 Kc7-d8 Qa2-a3 Kd8-e7 Qa3-a1 Ke7-f7
54/57 05:10 3,940,641k 12,694k -2.15 h5-h4 Qb1-b2 Kc8-b7 Ka2-b3 Kb7-c8 Kb3-c2 Kc8-b7 Na4xb6 c7xb6 a3-a4 Kb7-c7 Qb2-c1 Kc7-d8 Qc1-a3 Kd8-e7 Qa3-b3 Ke7-d7 Qb3-c3 Kd7-c7 Kc2-c1 Kc7-d8 Qc3-a3 Kd8-d7 Qa3-a2 Kd7-c8 Kc1-d2 Kc8-d7 Kd2-e2 Kd7-d8 Qa2-b3 Kd8-e7 Qb3-c3 Ke7-d8 Qc3-c1 Kd8-d7 Ke2-f1 Kd7-e7 Kf1-g1 Ke7-e8 Qc1-a3 Ke8-d7 Kg1-f1 Kd7-c7 Kf1-e2 Kc7-d8 Qa3-a2 Kd8-e8 Qa2-b2 Ke8-d8 Ke2-f1 Kd8-e8 Qb2-b3 Ke8-d7 Qb3-c2 Kd7-e7
55/58 05:15 4,022,699k 12,746k -2.15 h5-h4 Qb1-b2 Kc8-b7 Ka2-b3 Kb7-c8 Kb3-c2 Kc8-b7 Qb2-b1 Kb7-c8 Kc2-d2 Kc8-d7 Na4xb6+ c7xb6 Qb1-f1 Kd7-c7 Kd2-c2 Kc7-c8 Kc2-b2 Kc8-d8 Kb2-a1 Kd8-d7 Qf1-d1 Kd7-e8 Qd1-g1 Ke8-d8 a3-a4 Kd8-c7 Ka1-a2 Kc7-c8 Ka2-b1 Kc8-c7 Qg1-h1 Kc7-d8 Kb1-b2 Kd8-d7 Kb2-a2 Kd7-c7 Qh1-b1 Kc7-d8 Qb1-f1 Kd8-e7 Ka2-a1 Ke7-d8 Ka1-b2 Kd8-d7 Kb2-c2 Kd7-c7 Qf1-a1 Kc7-d8 Kc2-d3 Kd8-c8 Qa1-a3 Kc8-d7 Kd3-e2 Kd7-c7 Qa3-a2
56/58 05:20 4,107,643k 12,799k -2.15 h5-h4 Qb1-b2 Kc8-b7 Ka2-b3 Kb7-c8 Kb3-c2 Kc8-b7 Qb2-b1 Kb7-c8 Kc2-d2 Kc8-d7 Na4xb6+ c7xb6 Qb1-f1 Kd7-c7 Kd2-c2 Kc7-c8 Kc2-b2 Kc8-d8 Kb2-a1 Kd8-d7 Qf1-d1 Kd7-e8 Qd1-g1 Ke8-d8 a3-a4 Kd8-c7 Ka1-a2 Kc7-c8 Qg1-h1 Kc8-b7 Qh1-f1 Kb7-b8 Ka2-b2 Kb8-c7 Qf1-d1 Kc7-d7 Qd1-h1 Kd7-c7 Kb2-c3 Kc7-d7 Qh1-c1 Kd7-e7 Kc3-d3 Ke7-d7 Qc1-a3 Kd7-e8 Qa3-a2 Ke8-d7 Qa2-b3 Kd7-c7 Kd3-e2 Kc7-d8 Qb3-a2 Kd8-c7 Qa2-a3 Kc7-d8 Ke2-d1
57/59 05:26 4,175,734k 12,802k -2.15 h5-h4 Qb1-b2 Kc8-b7 Ka2-b3 Kb7-c8 Kb3-c2 Kc8-b7 Qb2-b1 Kb7-c8 Kc2-d2 Kc8-d7 Na4xb6+ c7xb6 Qb1-f1 Kd7-c7 Kd2-c2 Kc7-c8 Kc2-b2 Kc8-d8 Kb2-a1 Kd8-d7 Qf1-d1 Kd7-e8 Qd1-g1 Ke8-d8 a3-a4 Kd8-c7 Ka1-a2 Kc7-d7 Qg1-f1 Kd7-c8 Ka2-b1 Kc8-d8 Qf1-h1 Kd8-c8 Kb1-b2 Kc8-d7 Qh1-c1 Kd7-e7 Kb2-a2 Ke7-d7 Ka2-b3 Kd7-e7 Qc1-a3 Ke7-d7 Kb3-c2 Kd7-e7 Kc2-c1 Ke7-d7 Kc1-d2 Kd7-e8 Kd2-e2 Ke8-d7 Ke2-d3 Kd7-e7 Qa3-c3 Ke7-d7 Qc3-b3 Kd7-e8
58/59 05:35 4,330,251k 12,925k -2.15 h5-h4 Qb1-b2 Kc8-b7 Ka2-b3 Kb7-c8 Kb3-c2 Kc8-b7 Qb2-b1 Kb7-c8 Kc2-d2 Kc8-d7 Na4xb6+ c7xb6 Qb1-f1 Kd7-c7 Kd2-c2 Kc7-c8 Kc2-b2 Kc8-d8 a3-a4 Kd8-d7 Qf1-b1 Kd7-c7 Kb2-c1 Kc7-d7 Qb1-a2 Kd7-c7 Qa2-e2 Kc7-d8 Kc1-b2 Kd8-e8 Qe2-c2 Ke8-d7 Kb2-c3 Kd7-e7 Kc3-d3 Ke7-d7 Qc2-b3 Kd7-e7 Qb3-b1 Ke7-d8 Kd3-e2 Kd8-e7 Qb1-a2 Ke7-f6 Qa2-b2 Kf6-e7 Qb2-a3 Ke7-e8 Ke2-d2 Ke8-e7 Qa3-a1 Ke7-d8 Qa1-c3 Kd8-e8 Qc3-c1 Ke8-d7 Kd2-e2 Kd7-e7
59/60 05:39 4,399,910k 12,969k -2.15 h5-h4 Qb1-b2 Kc8-b7 Ka2-b3 Kb7-c8 Kb3-c2 Kc8-b7 Qb2-b1 Kb7-c8 Kc2-d2 Kc8-d7 Na4xb6+ c7xb6 Qb1-f1 Kd7-c7 Kd2-c2 Kc7-c8 Kc2-b2 Kc8-d8 a3-a4 Kd8-d7 Qf1-b1 Kd7-c7 Kb2-c1 Kc7-d7 Qb1-a2 Kd7-c7 Qa2-e2 Kc7-d8 Kc1-b2 Kd8-e8 Qe2-c2 Ke8-d7 Kb2-c3 Kd7-e7 Kc3-d3 Ke7-d8 Qc2-c3 Kd8-c7 Qc3-b3 Kc7-d7 Qb3-a3 Kd7-e8 Qa3-c1 Ke8-d8 Qc1-f1 Kd8-d7 Qf1-a1 Kd7-e7 Kd3-e2 Ke7-d8 Ke2-f1 Kd8-e8 Qa1-b1 Ke8-d8 Qb1-d1 Kd8-e8 Qd1-a1 Ke8-e7 Qa1-a3
60/63 05:47 4,541,122k 13,053k -2.15 h5-h4 Qb1-b2 Kc8-b7 Ka2-b3 Kb7-c8 Kb3-c2 Kc8-b7 Qb2-b1 Kb7-c8 Kc2-d2 Kc8-d7 Na4xb6+ c7xb6 Qb1-f1 Kd7-c7 Kd2-c2 Kc7-c8 Kc2-b2 Kc8-d8 a3-a4 Kd8-d7 Qf1-b1 Kd7-c7 Kb2-c1 Kc7-d7 Qb1-a2 Kd7-c7 Qa2-e2 Kc7-d8 Kc1-b2 Kd8-e8 Qe2-c2 Ke8-d7 Kb2-c3 Kd7-e7 Kc3-d3 Ke7-d8 Qc2-c3 Kd8-c7 Qc3-b3 Kc7-d8 Kd3-e2 Kd8-c7 Ke2-d1 Kc7-d8 Kd1-c1 Kd8-e7 Qb3-d3 Ke7-d7 Qd3-a3 Kd7-c8 Kc1-d1 Kc8-d8 Qa3-c1 Kd8-c7 Kd1-d2 Kc7-b7 Kd2-e2 Kb7-c7 Qc1-d2 Kc7-d8
61/67 05:56 4,678,902k 13,121k -2.15 h5-h4 Qb1-b2 Kc8-b7 Ka2-b3 Kb7-c8 Kb3-c2 Kc8-b7 Qb2-b1 Kb7-c8 Kc2-d2 Kc8-d7 Na4xb6+ c7xb6 Qb1-f1 Kd7-c7 Kd2-c2 Kc7-c8 Kc2-b2 Kc8-d8 a3-a4 Kd8-d7 Qf1-e2 Kd7-d8 Kb2-b3 Kd8-c8 Qe2-a2 Kc8-c7 Qa2-a3 Kc7-b8 Kb3-c3 Kb8-c8 Kc3-d3 Kc8-d7 Kd3-e2 Kd7-e7 Qa3-a1 Ke7-d7 Qa1-b2 Kd7-e7 Qb2-a3 Ke7-d7 Ke2-f1 Kd7-d8 Qa3-c1 Kd8-c7 Kf1-e2 Kc7-c8 Qc1-b2 Kc8-d8 Qb2-b1 Kd8-e7 Ke2-d1 Ke7-f6 Qb1-a1 Kf6-g6 Qa1-c1 Kg6-g7 Qc1-c3 Kg7-f6 Qc3xa5 b6xa5 b5-b6 Kf6-e7 b6-b7
62/65 06:07 4,848,247k 13,197k -2.15 h5-h4 Qb1-b2 Kc8-b7 Ka2-b3 Kb7-c8 Kb3-c2 Kc8-b7 Qb2-b1 Kb7-c8 Kc2-d2 Kc8-d7 Na4xb6+ c7xb6 Qb1-f1 Kd7-c7 Kd2-c2 Kc7-c8 a3-a4 Kc8-b7 Qf1-b1 Kb7-c7 Qb1-a1 Kc7-d8 Kc2-d2 Kd8-c7 Qa1-a3 Kc7-d8 Kd2-e2 Kd8-e7 Ke2-f1 Ke7-d8 Qa3-d3 Kd8-c7 Qd3-c2 Kc7-c8 Kf1-e2 Kc8-c7 Qc2-c3 Kc7-d7 Ke2-f1 Kd7-e8 Qc3-d3 Ke8-e7 Qd3-b1 Ke7-d7 Kf1-e2 Kd7-e7 Ke2-d2 Ke7-e8 Kd2-c2 Ke8-e7 Qb1-f1 Ke7-f6 Qf1-d1 Kf6-g6 Qd1-d2 Kg6-g7 Qd2-c3 Kg7-g8 Kc2-b1 Kg8-f8 Qc3xa5 b6xa5 b5-b6
Spliffjiffer
Posts: 416
Joined: Thu Aug 02, 2012 7:48 pm
Location: Germany

Re: 10 Positions Chess Engines Just Don't Understand‎

Post by Spliffjiffer »

ok, i finished the whole suite now by ignoring #3= "Arshak B Petrosian vs. Laszlo Hazai ":
i can asure that only 2 (at the most 3) problems are still a hard nut for current engines ; " my test went with cfish25.03.21"pure NNUE" 8192 MB hash and no TB's:

i used AMiE:
results that are worth notifing imo (2,maybe 3):

a real engine killer (1)...note: this was tested with "PURE-NNUE"-cfish (all the results were made with cfish"pure"!)
[d]8/8/8/8/7p/1PK4Q/p1p5/2kqB2n w - - 0 1
600 sec pre, 600 sec MPv=1:
MPv24:Qd6;MPv18:Qd6;MPv12:Qd6;MPv6:Qd6;MPv5:Qd6;MPv4:Qd6;MPv3:Qd6;MPv2:Qc8;MPv1:Qc8 final ev:#13 solved in: 76 min 51 sec (MPv=2)
really disoppointing that the engine is not able to see a mate in #13 in so much time spent here :-(

Nigel Short (2698) vs. Vladimir Kramnik (2800)
(2) i did not realy investigate here but i believe that his analysis is based on human understanding as well...im not able to interprete the position correctly and im quite sure that he is able to do this much better than i am able to do it, but im an expert in using engines and he is probably not...i asume he might be right that white is hoplessly lost but i would put in question that 19...d5 is the best move here !?
[d]3R3R/PKP2P1P/2P2PB1/6P1/6p1/4p1bp/pppB1pb1/1k1r3r b - - 0 1
no analysis by cfish because it thinks 19...d5 is inferior...

(3) 34. a4 is eighter the best move or just 2nd best its hard to say but both moves are winning easily for a 3500+ monster like cfish for example
[d]8/PKP3BP/1P6/8/5rpR/1pn1p3/pkp5/8 w - - 0 1
not clear if 34.a4 is really better than 4.h4 to me...no analysis...

conclusion: in my opinion he relies too much on human undertanding and did not investigate enough to have an objective assessment by using powerful engines with all the features they offer....that shredder 13 for example might be a hero here and might be cursed by blindness on the other hand is not a relevant arguement anymore...relevant is for example that "8/8/8/8/7p/1PK4Q/p1p5/2kqB2n w - - 0 1" is an "easy mate in 13" and modern software has still a hell of a problem with this one...here i would agree with him :-)

thank you Uri for your analysis, i will try to investigate here...my first impression is that black should not play h4 by itself but play sth like Kb8/b7 but this idea comes without any analysis and is therfore probably already wrong ;-)
Peer
Wahrheiten sind Illusionen von denen wir aber vergessen haben dass sie welche sind.
Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: 10 Positions Chess Engines Just Don't Understand‎

Post by Vinvin »

I had a quick look at this old set, and I'd say 50% of these positions are solved by SF13 in a couple of minutes and 80% are solved by Crystal 3.1.
lechmazur
Posts: 13
Joined: Fri Dec 18, 2020 7:58 pm
Full name: Lech Mazur

Re: 10 Positions Chess Engines Just Don't Understand‎

Post by lechmazur »

Spliffjiffer wrote: Mon May 17, 2021 10:56 pm a real engine killer (1)...note: this was tested with "PURE-NNUE"-cfish (all the results were made with cfish"pure"!)
[d]8/8/8/8/7p/1PK4Q/p1p5/2kqB2n w - - 0 1
600 sec pre, 600 sec MPv=1:
MPv24:Qd6;MPv18:Qd6;MPv12:Qd6;MPv6:Qd6;MPv5:Qd6;MPv4:Qd6;MPv3:Qd6;MPv2:Qc8;MPv1:Qc8 final ev:#13 solved in: 76 min 51 sec (MPv=2)
really disoppointing that the engine is not able to see a mate in #13 in so much time spent here :-(
Is this the correct FEN? I don't think there is a mate in 13 here. Looks like white gets mated in 8.
Milos
Posts: 4190
Joined: Wed Nov 25, 2009 1:47 am

Re: 10 Positions Chess Engines Just Don't Understand‎

Post by Milos »

My next project "10 trillion positions humans don't understand" :lol:.
lechmazur
Posts: 13
Joined: Fri Dec 18, 2020 7:58 pm
Full name: Lech Mazur

Re: 10 Positions Chess Engines Just Don't Understand‎

Post by lechmazur »

Spliffjiffer wrote: Mon May 17, 2021 10:56 pm (3) 34. a4 is eighter the best move or just 2nd best its hard to say but both moves are winning easily for a 3500+ monster like cfish for example
[d]8/PKP3BP/1P6/8/5rpR/1pn1p3/pkp5/8 w - - 0 1
not clear if 34.a4 is really better than 4.h4 to me...no analysis...
This is a mate in 10: Bxc3+
Milos
Posts: 4190
Joined: Wed Nov 25, 2009 1:47 am

Re: 10 Positions Chess Engines Just Don't Understand‎

Post by Milos »

lechmazur wrote: Tue May 18, 2021 12:47 am
Spliffjiffer wrote: Mon May 17, 2021 10:56 pm (3) 34. a4 is eighter the best move or just 2nd best its hard to say but both moves are winning easily for a 3500+ monster like cfish for example
[d]8/PKP3BP/1P6/8/5rpR/1pn1p3/pkp5/8 w - - 0 1
not clear if 34.a4 is really better than 4.h4 to me...no analysis...
This is a mate in 10: Bxc3+
It takes SFdev with 6-men around 1.5 seconds to see that. Seems to me SF really doesn't understand it :lol:.