[fen]8/p6p/3k1p2/3p2p1/1P3P2/P1K5/5P1P/8 w - - 0 1[/fen]
Analysis by Stockfish 14.1:
...
2.Kd3 gxf4 3.Kd4 Kc6 4.a4 h6 5.h3 h5 6.h4 f3 7.Ke3 Kd6 8.Kxf3 f5 9.Ke3 Ke5 10.f4+ Kf6 11.Kd4
+- (6.51) Depth: 67/19 00:01:15 962mN, tb=5340370
2.Kd3 gxf4 3.Kd4 Kc6 4.a4 h6 5.h3 h5 6.h4 f3 7.Ke3 Kd6 8.Kxf3 f5 9.Ke3 Ke5 10.f4+ Kf6 11.b5
+- (6.51) Depth: 68/19 00:01:23 1048mN, tb=6036535
Evaluation never improves. Propably this is same
https://github.com/official-stockfish/S ... ssues/3815
BTW position is variation from another(!) busted EET position.
Interesting pawn ending and SF "bug"
Moderator: Ras
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Jouni
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- Joined: Wed Mar 08, 2006 8:15 pm
- Full name: Jouni Uski
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Paloma
- Posts: 1217
- Joined: Thu Dec 25, 2008 9:07 pm
- Full name: Herbert L
Re: Interesting pawn ending and SF "bug"
Here the same with SF 071221 (allways 7.15)
Pos is E_E_T 002
Pos is E_E_T 002
-
Jouni
- Posts: 3769
- Joined: Wed Mar 08, 2006 8:15 pm
- Full name: Jouni Uski
Re: Interesting pawn ending and SF "bug"
Analysis by Stockfish 220122:
...
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 d4 7.Ke2 f4 8.Kd3 Kd5 9.f3 Kc5 10.h4 Kd5 11.b6 Kc6
+- (4.64) Depth: 19/33 00:00:00 2584kN, tb=3073
1.Kd3 gxf4 2.Kd4 h5 3.a4 a6 4.h4 f3 5.b5 a5 6.Ke3 f5 7.Kxf3 d4 8.Ke2 f4 9.f3 Kd5 10.Kd3 Kc5
+- (5.32) Depth: 20/33 00:00:00 3292kN, tb=3424
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 d4 7.Ke2 f4 8.f3 Kc5 9.Kd3 Kd5 10.h3 Kc5 11.h4 Kd5 12.h5 Kc5 13.Ke4 h6 14.Kd3 Kd5 15.b6 Kc6 16.Kxd4 Kxb6 17.Kd5
+- (6.30) Depth: 21/45 00:00:00 6695kN, tb=6701
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 d4 7.Ke2 f4 8.f3 Kc5 9.Kd3 Kd5 10.h3 Kc5 11.h4 Kd5 12.h5 Kc5 13.Ke4 h6 14.Kd3 Kd5 15.b6 Kc6 16.Kxd4 Kxb6 17.Kd5
+- (6.30) Depth: 22/45 00:00:00 7924kN, tb=8188
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 d4 7.Ke2 f4 8.f3 Kc5 9.Kd3 Kd5 10.h3 Kc5 11.Ke4 h6 12.h4 h5 13.Kd3 Kd5 14.b6 Kc6 15.Kxd4 Kxb6 16.Kd5 Kb7 17.Ke5
+- (7.09) Depth: 23/45 00:00:01 13281kN, tb=18293
1.Kd3 gxf4 2.Kd4 f3 3.a4 Kc6 4.Ke3 Kd6 5.Kxf3 Ke5 6.Ke3 d4+ 7.Kd3 Kd5 8.a5 h6 9.h3 a6 10.f3 Ke5 11.b5 axb5 12.a6 Kf4 13.a7 Kxf3 14.a8Q+ Kf2
+- (7.34) Depth: 24/45 00:00:01 18967kN, tb=36689
1.Kd3 g4 2.Kd4 Ke6 3.a4 Kf5 4.b5 Kxf4 5.a5 Kg5 6.Kxd5 h5 7.b6 axb6 8.axb6 Kf4 9.Kd6 Kf5 10.b7 h4 11.Ke7 Ke5 12.Kf7 Kf5 13.Kg7 Kg5
+- (7.78) Depth: 25/50 00:00:03 42975kN, tb=94136
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 d4 7.Ke2 f4 8.Kd3 Kc5 9.h3 h6 10.f3 Kd5 11.h4 Kc5 12.h5 Kd5 13.b6 Kc6 14.Kxd4 Kxb6 15.Kd5 Kc7 16.Ke5 Kd7 17.Kf5 Ke7
+- (7.66) Depth: 26/37 00:00:04 55037kN, tb=119800
1.Kd3 gxf4 2.Kd4 f3 3.a4 Kc6 4.Ke3 Kd6 5.Kxf3 Ke5 6.Ke3 d4+ 7.Kd3 Kd5 8.a5 a6 9.f3 h6 10.f4 h5 11.h3 h4 12.f5 Kc6 13.Kxd4 Kb5 14.Kc3 Kc6 15.Kc4 Kd6 16.b5 axb5+ 17.Kxb5 Kc7 18.a6
+- (7.45) Depth: 27/38 00:00:05 70006kN, tb=144912
1.Kd3
+- (8.31 ++) Depth: 28/40 00:00:07 90743kN, tb=189090
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 Ke5 6.Kxf3 d4 7.Ke2 f5 8.Kd2 h5 9.h4 Kf4 10.Kd3 Kg4 11.b6 Kxh4 12.Kxd4 Kg4 13.b7 h4 14.Ke3 h3 15.b8Q Kg5 16.Qg3+ Kf6 17.Qxh3
+- (8.07) Depth: 28/41 00:00:09 116mN, tb=226809
1.Kd3
+- (8.96 ++) Depth: 29/36 00:00:11 146mN, tb=316654
1.Kd3 gxf4 2.Kd4 f3 3.a4 Kc6 4.Ke3 Kd6 5.Kxf3 Ke5 6.Ke3 d4+ 7.Kd3 Kd5 8.a5 a6 9.f3 h5 10.h4 Kc6 11.Kxd4 Kd6 12.f4 Ke6 13.Ke4 Kd6 14.Kf5 Ke7 15.b5 axb5 16.a6 Kd6 17.a7 Kd5 18.a8Q+ Kc5 19.Kxf6
+- (8.91) Depth: 29/43 00:00:13 168mN, tb=362421
1.Kd3 gxf4 2.Kd4 f3 3.a4 Kc6 4.Ke3 d4+ 5.Kxd4 Kb6 6.Kd5 Kc7 7.Kc5 Kd7 8.b5 Ke6 9.Kd4 Kd7 10.Kd5 Kc7 11.a5 Kd7 12.b6 a6 13.h4 f5 14.Ke5 Kc6 15.Kxf5 Kb7 16.h5 Kc6 17.Kf4
+- (9.34) Depth: 30/45 00:00:17 228mN, tb=491546
1.Kd3 gxf4 2.Kd4 f3 3.a4 Kc6 4.Ke3 Kd6 5.Kxf3 Ke5 6.Ke3 d4+ 7.Kd3 Kd5 8.a5 a6 9.f3 Kc6 10.Kxd4 Kd6 11.h4 Kc6 12.Kc4 Kd6 13.b5 axb5+ 14.Kxb5 Kd5 15.a6 f5 16.Kb6 Kd6 17.f4
+- (10.04) Depth: 31/43 00:00:27 348mN, tb=799141
1.Kd3
+- (11.04 ++) Depth: 32/53 00:00:49 647mN, tb=1489427
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 Ke5 7.Ke3 f4+ 8.Kf3 d4 9.b6 Kd6 10.Kxf4 Kc6 11.Ke4 d3 12.Kxd3 Kxb6 13.Kd4 Kc6 14.Kc4 Kd6 15.Kb5 Kd7 16.Kxa5 Kd6 17.f4
+- (11.38) Depth: 32/53 00:01:03 835mN, tb=1863334
Fixed!
...
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 d4 7.Ke2 f4 8.Kd3 Kd5 9.f3 Kc5 10.h4 Kd5 11.b6 Kc6
+- (4.64) Depth: 19/33 00:00:00 2584kN, tb=3073
1.Kd3 gxf4 2.Kd4 h5 3.a4 a6 4.h4 f3 5.b5 a5 6.Ke3 f5 7.Kxf3 d4 8.Ke2 f4 9.f3 Kd5 10.Kd3 Kc5
+- (5.32) Depth: 20/33 00:00:00 3292kN, tb=3424
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 d4 7.Ke2 f4 8.f3 Kc5 9.Kd3 Kd5 10.h3 Kc5 11.h4 Kd5 12.h5 Kc5 13.Ke4 h6 14.Kd3 Kd5 15.b6 Kc6 16.Kxd4 Kxb6 17.Kd5
+- (6.30) Depth: 21/45 00:00:00 6695kN, tb=6701
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 d4 7.Ke2 f4 8.f3 Kc5 9.Kd3 Kd5 10.h3 Kc5 11.h4 Kd5 12.h5 Kc5 13.Ke4 h6 14.Kd3 Kd5 15.b6 Kc6 16.Kxd4 Kxb6 17.Kd5
+- (6.30) Depth: 22/45 00:00:00 7924kN, tb=8188
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 d4 7.Ke2 f4 8.f3 Kc5 9.Kd3 Kd5 10.h3 Kc5 11.Ke4 h6 12.h4 h5 13.Kd3 Kd5 14.b6 Kc6 15.Kxd4 Kxb6 16.Kd5 Kb7 17.Ke5
+- (7.09) Depth: 23/45 00:00:01 13281kN, tb=18293
1.Kd3 gxf4 2.Kd4 f3 3.a4 Kc6 4.Ke3 Kd6 5.Kxf3 Ke5 6.Ke3 d4+ 7.Kd3 Kd5 8.a5 h6 9.h3 a6 10.f3 Ke5 11.b5 axb5 12.a6 Kf4 13.a7 Kxf3 14.a8Q+ Kf2
+- (7.34) Depth: 24/45 00:00:01 18967kN, tb=36689
1.Kd3 g4 2.Kd4 Ke6 3.a4 Kf5 4.b5 Kxf4 5.a5 Kg5 6.Kxd5 h5 7.b6 axb6 8.axb6 Kf4 9.Kd6 Kf5 10.b7 h4 11.Ke7 Ke5 12.Kf7 Kf5 13.Kg7 Kg5
+- (7.78) Depth: 25/50 00:00:03 42975kN, tb=94136
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 d4 7.Ke2 f4 8.Kd3 Kc5 9.h3 h6 10.f3 Kd5 11.h4 Kc5 12.h5 Kd5 13.b6 Kc6 14.Kxd4 Kxb6 15.Kd5 Kc7 16.Ke5 Kd7 17.Kf5 Ke7
+- (7.66) Depth: 26/37 00:00:04 55037kN, tb=119800
1.Kd3 gxf4 2.Kd4 f3 3.a4 Kc6 4.Ke3 Kd6 5.Kxf3 Ke5 6.Ke3 d4+ 7.Kd3 Kd5 8.a5 a6 9.f3 h6 10.f4 h5 11.h3 h4 12.f5 Kc6 13.Kxd4 Kb5 14.Kc3 Kc6 15.Kc4 Kd6 16.b5 axb5+ 17.Kxb5 Kc7 18.a6
+- (7.45) Depth: 27/38 00:00:05 70006kN, tb=144912
1.Kd3
+- (8.31 ++) Depth: 28/40 00:00:07 90743kN, tb=189090
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 Ke5 6.Kxf3 d4 7.Ke2 f5 8.Kd2 h5 9.h4 Kf4 10.Kd3 Kg4 11.b6 Kxh4 12.Kxd4 Kg4 13.b7 h4 14.Ke3 h3 15.b8Q Kg5 16.Qg3+ Kf6 17.Qxh3
+- (8.07) Depth: 28/41 00:00:09 116mN, tb=226809
1.Kd3
+- (8.96 ++) Depth: 29/36 00:00:11 146mN, tb=316654
1.Kd3 gxf4 2.Kd4 f3 3.a4 Kc6 4.Ke3 Kd6 5.Kxf3 Ke5 6.Ke3 d4+ 7.Kd3 Kd5 8.a5 a6 9.f3 h5 10.h4 Kc6 11.Kxd4 Kd6 12.f4 Ke6 13.Ke4 Kd6 14.Kf5 Ke7 15.b5 axb5 16.a6 Kd6 17.a7 Kd5 18.a8Q+ Kc5 19.Kxf6
+- (8.91) Depth: 29/43 00:00:13 168mN, tb=362421
1.Kd3 gxf4 2.Kd4 f3 3.a4 Kc6 4.Ke3 d4+ 5.Kxd4 Kb6 6.Kd5 Kc7 7.Kc5 Kd7 8.b5 Ke6 9.Kd4 Kd7 10.Kd5 Kc7 11.a5 Kd7 12.b6 a6 13.h4 f5 14.Ke5 Kc6 15.Kxf5 Kb7 16.h5 Kc6 17.Kf4
+- (9.34) Depth: 30/45 00:00:17 228mN, tb=491546
1.Kd3 gxf4 2.Kd4 f3 3.a4 Kc6 4.Ke3 Kd6 5.Kxf3 Ke5 6.Ke3 d4+ 7.Kd3 Kd5 8.a5 a6 9.f3 Kc6 10.Kxd4 Kd6 11.h4 Kc6 12.Kc4 Kd6 13.b5 axb5+ 14.Kxb5 Kd5 15.a6 f5 16.Kb6 Kd6 17.f4
+- (10.04) Depth: 31/43 00:00:27 348mN, tb=799141
1.Kd3
+- (11.04 ++) Depth: 32/53 00:00:49 647mN, tb=1489427
1.Kd3 gxf4 2.Kd4 f3 3.a4 a6 4.b5 a5 5.Ke3 f5 6.Kxf3 Ke5 7.Ke3 f4+ 8.Kf3 d4 9.b6 Kd6 10.Kxf4 Kc6 11.Ke4 d3 12.Kxd3 Kxb6 13.Kd4 Kc6 14.Kc4 Kd6 15.Kb5 Kd7 16.Kxa5 Kd6 17.f4
+- (11.38) Depth: 32/53 00:01:03 835mN, tb=1863334
Fixed!
Jouni
-
Jouni
- Posts: 3769
- Joined: Wed Mar 08, 2006 8:15 pm
- Full name: Jouni Uski
Re: Interesting pawn ending and SF "bug"
Another example from ERET15:
[fen]8/p2p4/r7/1k6/8/pK5Q/P7/b7 w - - 0 1[/fen]
Analysis by Stockfish 14.1:
...
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kb3 a6 9.Qa7+ Kc8 10.Kxa3 Rc3+ 11.Kb4 Rc6 12.Kb3 Re6 13.Kc3
+- (2.34) Depth: 77/25 00:01:11 710mN, tb=10249546
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kb7 6.Qd5+ Rc6+ 7.Kd3 Kc8 8.Qa5 a6 9.Qxa3 Rb6 10.Qc5+ Rc6 11.Qa7 Rd6+ 12.Kc3 Re6 13.Kb3 Rc6 14.a3 Rf6 15.Qe3 Rc6 16.Kb2 Kb7 17.Qe8 Kc7 18.Qe5+ Kc8 19.Qd4 Re6 20.Kb3 Rc6 21.Qh8+ Kc7 22.Qe5+ Kc8
+- (2.34) Depth: 78/53 00:01:16 765mN, tb=10763687
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kb7 6.Qd5+ Rc6+ 7.Kd3 Kc8 8.Qa5 a6 9.Qxa3 Kd8
+- (2.34) Depth: 79/17 00:01:16 765mN, tb=10766197
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4 a6 10.Ke5 Re6+ 11.Kd4 Rc6 12.Qa7+ Kc8 13.Kd3
+- (2.34) Depth: 80/25 00:01:17 774mN, tb=10847570
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4
+- (2.34) Depth: 81/17 00:01:18 788mN, tb=11013084
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4 Re6+ 10.Kf4 a6
+- (2.34) Depth: 82/18 00:01:19 791mN, tb=11043142
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4 Re6+ 10.Kf4
+- (2.34) Depth: 83/18 00:02:30 1462mN, tb=20718132
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4 Re6+ 10.Kf4
+- (2.34) Depth: 84/18 00:02:43 1591mN, tb=22006811
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4 Re6+ 10.Kf4
+- (2.34) Depth: 85/19 00:02:58 1743mN, tb=23597209
Analysis by Stockfish 220122:
...
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke5 Kc8 6.Kf4 Kc7 7.Qd4 Kc8 8.Ke3 Re6+ 9.Kf3 Rc6 10.Kf2 Kc7 11.Ke3 Re6+ 12.Kf4 Rc6 13.Qa7+ Kc8 14.Qa8+ Kc7 15.Kg5 Re6 16.Qa7+ Kc8 17.Qc5+ Rc6 18.Qf8+ Kc7 19.Qh8 Re6 20.Kh5 Rb6 21.Qd4 Rc6 22.Qe5+ Kc8 23.Qd5 Kc7 24.Kg5 Kc8 25.Qg8+ Kc7 26.Kf5 Re6 27.Qg3+ Kc8 28.Qg7 Rc6 29.Qe5 Rh6 30.Qc5+ Rc6 31.Qb4 Kc7 32.Qf4+ Kc8
+- (2.50) Depth: 52/74 00:00:41 698mN, tb=704587
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke3 Kc8 6.Qh8+ Kc7 7.Qd4 Re6+ 8.Kf3 Rc6 9.Kg4 Kc8 10.Qf4 Rg6+ 11.Kh4 Rc6 12.Qf8+ Kc7 13.Qh8 Rc4+ 14.Kh5 Rc6 15.Qa8 Re6 16.Kg5 Rc6 17.Qa7+ Kc8 18.Kf5 Rd6 19.Qc5+ Rc6 20.Qa5 Re6 21.Qa4 Rc6 22.Qb3 Kc7 23.Kg4 Rg6+ 24.Kh5 Rb6 25.Qc3+ Rc6 26.Qh8 Re6 27.Qd4 Rc6 28.Qa7+ Kc8 29.Qa8+ Kc7 30.Kg5 Re6 31.Qa7+ Kc8
+- (2.50) Depth: 53/62 00:00:43 727mN, tb=776230
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke4 Kc7 6.Kf5 Kc8 7.Qh8+ Kc7 8.Qa8 Rd6 9.Qa7+ Kc8 10.Qc5+ Rc6 11.Qf8+ Kc7 12.Kg5 Rb6 13.Qf4+ Kc8 14.Qc4+ Rc6 15.Qe4 Re6 16.Qd3 Rb6 17.Kg4 Rb4+ 18.Kf5 Rb6 19.Qc4+ Rc6 20.Qg8+ Kc7 21.Kg5 Re6 22.Qf7 Rc6 23.Qf4+ Kc8 24.Qf8+ Kc7 25.Qa8 Rd6 26.Qa7+ Kc8 27.Qc5+ Rc6 28.Qa5 Re6 29.Kg4 Rc6 30.Qf5 Kc7 31.Qf4+ Kc8 32.Qd4 Kc7 33.Kh4 Kc8 34.Kh5 Kd8 35.Qe5 Kc8
+- (2.55) Depth: 54/73 00:00:45 756mN, tb=813430
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke3 Kc8 6.Qh8+ Kc7 7.Qd4 Re6+ 8.Kf3 Rc6 9.Qe5+ Kc8 10.Kg3 Rg6+ 11.Kf2 Rc6 12.Qf4 Rc2+ 13.Kg3 Rc6 14.Qf8+ Kc7 15.Kh4 Rc2 16.Qf7 Rc6 17.Kg4 Kd8 18.Kg3 Kc7 19.Kf3 Rc3+ 20.Kg4 Rc6 21.Qf4+ Kc8 22.Kf5 Rb6 23.Qc4+ Rc6 24.Qg8+ Kc7 25.Qa8 Rh6 26.Kg5 Rc6 27.Qa7+ Kc8 28.Qd4 Kc7 29.Kh5 Kc8 30.Qh8+ Kc7 31.Qg7 Re6 32.Qg8 Rb6 33.Qg3+ Kc8
+- (2.56) Depth: 55/78 00:00:46 781mN, tb=870624
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qd4 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qd5 Rc6+ 7.Kd3 a6 8.Qg8+ Kc7 9.Ke4 Rf6 10.Qa8 Rh6 11.Qa7+ Kc8 12.Qc5+ Rc6 13.Qf8+ Kc7 14.Qf4+ Kc8 15.Ke3 Re6+ 16.Kf2 Rc6 17.Qd4 Kc7 18.Qa7+ Kc8 19.Kg1 Rg6+ 20.Kh1 Rh6+ 21.Kg2 Rc6 22.Qa8+ Kc7 23.Qf8 Rc2+ 24.Kf3 Rc6 25.Qf4+ Kc8 26.Qd4 Kc7 27.Qa7+ Kc8 28.Qa8+ Kc7 29.Kf4 Rf6+ 30.Kg5 Rc6 31.Qa7+ Kc8 32.Qd4 Kc7 33.Qb4 Kc8 34.Qa5 Re6 35.Qc5+ Rc6 36.Qe5 Kb7 37.Kh5 Kc8 38.Qa5 Re6 39.Kg5 Rc6
+- (2.56) Depth: 56/85 00:00:48 804mN, tb=925437
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qd4 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qd5 Rc6+ 7.Kd3 a6 8.Qg8+ Kc7 9.Ke4 Rf6 10.Qa8 Rh6 11.Qa7+ Kc8 12.Qc5+ Rc6 13.Qf8+ Kc7 14.Qf4+ Kc8 15.Ke3 Re6+ 16.Kf2 Rc6 17.Qd4 Kc7 18.Qa7+ Kc8 19.Kg1 Rg6+ 20.Kh1 Rh6+ 21.Kg2 Rc6 22.Qa8+ Kc7 23.Kf3 Re6 24.Kf4 Rf6+ 25.Kg5 Rc6 26.Qa7+ Kc8 27.Qd4 Kd8 28.Kf5 Kc7 29.Qb4 Kc8 30.Kg5 Kc7 31.Qf4+ Kc8 32.Qf8+ Kc7 33.Qb4 Kc8 34.Kf5 Kc7 35.Qa5+ Kc8 36.Qd5 Kc7 37.Kg5
+- (2.56) Depth: 57/73 00:00:49 824mN, tb=941796
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qd4 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qd5 Rc6+ 7.Kd3 a6 8.Qg8+ Kc7 9.Ke4 Rf6 10.Qa8 Rh6 11.Qa7+ Kc8 12.Qc5+ Rc6 13.Qf8+ Kc7 14.Qf2 Re6+ 15.Kf5 Rc6 16.Qg3+ Kc8 17.Qg7 Kc7 18.Qh8 Rb6 19.Qe5+ Kc8 20.Qd4 Kc7 21.Qf4+ Kc8 22.Qc4+ Rc6 23.Qd4 Kc7 24.Kg5 Kc8 25.Qh8+ Kc7 26.Qe5+ Kc8 27.Qd4 Kd8 28.Qa7 Kc8 29.Qa8+ Kc7 30.Kf5 Rd6 31.Qa7+ Kc8 32.Qc5+ Rc6 33.Qf8+ Kc7 34.Kg4 Rg6+ 35.Kh5 Re6 36.Qc5+ Rc6 37.Qa5+ Kc8 38.Qd5 Kc7 39.Qe5+ Kc8
+- (2.56) Depth: 58/76 00:00:52 882mN, tb=1078991
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qd4 Rb6+ 4.Ka4 Ra6+ 5.Kb4 Rb6+ 6.Kc5 Kc7 7.Qf4+ Kc8 8.Qf8+ Kc7 9.Qa8 Rc6+ 10.Kd4 a6 11.Ke5 Re6+ 12.Kf5 Rc6 13.Kg5 Re6 14.Qa7+ Kc8 15.Qc5+ Rc6 16.Qd4 Kc7 17.Qe5+ Kc8 18.Qe8+ Kc7 19.Qf8 Rb6 20.Qf4+ Kc8 21.Qd4 Rc6 22.Kf5 Kc7 23.Qf4+ Kc8 24.Qb4 Kc7 25.Qa5+ Kc8 26.Ke4 Re6+ 27.Kf3 Rc6 28.Kg3 Rg6+ 29.Kh4 Rh6+ 30.Kg5 Rc6 31.Kf5 Re6 32.Qc5+ Rc6 33.Qf8+ Kc7 34.Ke4 Re6+ 35.Kf3 Rb6 36.Qc5+ Rc6 37.Qd4 Rb6 38.Qe5+ Kc8 39.Qf4 Rc6 40.Qf8+ Kc7 41.Kg3 Rc3+ 42.Kg4
+- (2.56) Depth: 59/82 00:00:54 921mN, tb=1220994
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke4 Kc7 6.Qe5+ Kc8 7.Qd5 Rg6 8.Qf7 Rb6 9.Qg8+ Kc7 10.Kf5 Re6 11.Qg3+ Kc8 12.Qf2 Rc6 13.Qd4 Kc7 14.Kg5 Re6 15.Qa7+ Kc8 16.Qc5+ Rc6 17.Qa5 Re6 18.Qc3+ Rc6 19.Qh8+ Kc7 20.Qa8 Re6 21.Kg4 Rc6 22.Kf5 Rh6 23.Qa7+ Kc8 24.Qd4 Rc6 25.Qh8+ Kc7 26.Qe8 Re6 27.Qg8 Rc6 28.Kf4 Rc5 29.Qf7 Rc2 30.Kg5 Rc6 31.Kg4 Kd8 32.Kg3 Kc7 33.Qf4+ Kc8 34.Qf8+ Kc7
+- (2.56) Depth: 60/73 00:00:56 960mN, tb=1246505
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke4 Kc7 6.Qe5+ Kc8 7.Qd5 Rg6 8.Qf7 Rb6 9.Qg8+ Kc7 10.Kf5 Re6 11.Qg3+ Kc8 12.Qf2 Rc6 13.Qd4 Kc7 14.Qf4+ Kc8 15.Qb4 Kc7 16.Qa5+ Kc8 17.Kg5 Rd6 18.Qe5 Re6 19.Qh8+ Kc7 20.Qf8 Rc6 21.Qf4+ Kc8 22.Qe3 Re6 23.Qb3 Rc6 24.Kg4 Kc7 25.Kg3 Rg6+ 26.Kf4 Re6 27.Qd5 Rf6+ 28.Ke5 Rc6 29.Qa5+ Kc8 30.Qb4 Kc7 31.Qf4 Kc8 32.Qf7 Kc7 33.Kf4 Rb6 34.Kg4 Rc6 35.Qf4+ Kc8 36.Qf5 Kc7 37.Qa5+ Kc8
+- (2.56) Depth: 61/73 00:01:03 1055mN, tb=1950870
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke4 Kc7 6.Qe5+ Kc8 7.Qd5 Rg6 8.Qf7 Rb6 9.Qg8+ Kc7 10.Kf5 Re6 11.Qg3+ Kc8 12.Qf2 Rc6 13.Qd4 Kc7 14.Qf4+ Kc8 15.Qb4 Kc7 16.Qa5+ Kc8 17.Kg5 Re6 18.Qb4 Rc6 19.Qb3 Kc7 20.Qg3+ Kc8 21.Qd3 Kc7 22.Qb3 Re6 23.Kf5 Rb6 24.Qg3+ Kc8 25.Qg7 Kc7 26.Qe5+ Kc8 27.Qd4 Rc6 28.Kg4 Kc7 29.Qe5+ Kc8 30.Qh8+ Kc7 31.Kg5 Rb6 32.Qd4 Rc6 33.Qa7+ Kc8 34.Qa8+ Kc7
+- (2.56) Depth: 62/68 00:01:12 1245mN, tb=2178237
1.Qd3+
+- (2.72 ++) Depth: 63/72 00:01:41 1802mN, tb=3359552
1.Qd3+
+- (2.88 ++) Depth: 63/72 00:01:44 1825mN, tb=3589082
1.Qd3+
+- (3.11 ++) Depth: 63/72 00:01:45 1837mN, tb=3763938
1.Qd3+
+- (3.41 ++) Depth: 63/78 00:01:48 1860mN, tb=4038972
1.Qd3+
+- (3.81 ++) Depth: 63/78 00:01:53 1909mN, tb=4701674
1.Qd3+
+- (4.33 ++) Depth: 63/78 00:02:01 1991mN, tb=5780079
1.Qd3+
+- (5.00 ++) Depth: 63/78 00:02:10 2074mN, tb=6982889
1.Qd3+
+- (5.87 ++) Depth: 63/78 00:02:43 2370mN, tb=11509273
1.Qd3+
+- (6.97 ++) Depth: 63/86 00:03:01 2536mN, tb=13870520
1.Qd3+
+- (8.37 ++) Depth: 63/102 00:03:32 2821mN, tb=17825558
[fen]8/p2p4/r7/1k6/8/pK5Q/P7/b7 w - - 0 1[/fen]
Analysis by Stockfish 14.1:
...
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kb3 a6 9.Qa7+ Kc8 10.Kxa3 Rc3+ 11.Kb4 Rc6 12.Kb3 Re6 13.Kc3
+- (2.34) Depth: 77/25 00:01:11 710mN, tb=10249546
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kb7 6.Qd5+ Rc6+ 7.Kd3 Kc8 8.Qa5 a6 9.Qxa3 Rb6 10.Qc5+ Rc6 11.Qa7 Rd6+ 12.Kc3 Re6 13.Kb3 Rc6 14.a3 Rf6 15.Qe3 Rc6 16.Kb2 Kb7 17.Qe8 Kc7 18.Qe5+ Kc8 19.Qd4 Re6 20.Kb3 Rc6 21.Qh8+ Kc7 22.Qe5+ Kc8
+- (2.34) Depth: 78/53 00:01:16 765mN, tb=10763687
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kb7 6.Qd5+ Rc6+ 7.Kd3 Kc8 8.Qa5 a6 9.Qxa3 Kd8
+- (2.34) Depth: 79/17 00:01:16 765mN, tb=10766197
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4 a6 10.Ke5 Re6+ 11.Kd4 Rc6 12.Qa7+ Kc8 13.Kd3
+- (2.34) Depth: 80/25 00:01:17 774mN, tb=10847570
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4
+- (2.34) Depth: 81/17 00:01:18 788mN, tb=11013084
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4 Re6+ 10.Kf4 a6
+- (2.34) Depth: 82/18 00:01:19 791mN, tb=11043142
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4 Re6+ 10.Kf4
+- (2.34) Depth: 83/18 00:02:30 1462mN, tb=20718132
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4 Re6+ 10.Kf4
+- (2.34) Depth: 84/18 00:02:43 1591mN, tb=22006811
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qg7 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qh8+ Kc7 7.Qa8 Rc6+ 8.Kd3 Rd6+ 9.Ke4 Re6+ 10.Kf4
+- (2.34) Depth: 85/19 00:02:58 1743mN, tb=23597209
Analysis by Stockfish 220122:
...
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke5 Kc8 6.Kf4 Kc7 7.Qd4 Kc8 8.Ke3 Re6+ 9.Kf3 Rc6 10.Kf2 Kc7 11.Ke3 Re6+ 12.Kf4 Rc6 13.Qa7+ Kc8 14.Qa8+ Kc7 15.Kg5 Re6 16.Qa7+ Kc8 17.Qc5+ Rc6 18.Qf8+ Kc7 19.Qh8 Re6 20.Kh5 Rb6 21.Qd4 Rc6 22.Qe5+ Kc8 23.Qd5 Kc7 24.Kg5 Kc8 25.Qg8+ Kc7 26.Kf5 Re6 27.Qg3+ Kc8 28.Qg7 Rc6 29.Qe5 Rh6 30.Qc5+ Rc6 31.Qb4 Kc7 32.Qf4+ Kc8
+- (2.50) Depth: 52/74 00:00:41 698mN, tb=704587
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke3 Kc8 6.Qh8+ Kc7 7.Qd4 Re6+ 8.Kf3 Rc6 9.Kg4 Kc8 10.Qf4 Rg6+ 11.Kh4 Rc6 12.Qf8+ Kc7 13.Qh8 Rc4+ 14.Kh5 Rc6 15.Qa8 Re6 16.Kg5 Rc6 17.Qa7+ Kc8 18.Kf5 Rd6 19.Qc5+ Rc6 20.Qa5 Re6 21.Qa4 Rc6 22.Qb3 Kc7 23.Kg4 Rg6+ 24.Kh5 Rb6 25.Qc3+ Rc6 26.Qh8 Re6 27.Qd4 Rc6 28.Qa7+ Kc8 29.Qa8+ Kc7 30.Kg5 Re6 31.Qa7+ Kc8
+- (2.50) Depth: 53/62 00:00:43 727mN, tb=776230
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke4 Kc7 6.Kf5 Kc8 7.Qh8+ Kc7 8.Qa8 Rd6 9.Qa7+ Kc8 10.Qc5+ Rc6 11.Qf8+ Kc7 12.Kg5 Rb6 13.Qf4+ Kc8 14.Qc4+ Rc6 15.Qe4 Re6 16.Qd3 Rb6 17.Kg4 Rb4+ 18.Kf5 Rb6 19.Qc4+ Rc6 20.Qg8+ Kc7 21.Kg5 Re6 22.Qf7 Rc6 23.Qf4+ Kc8 24.Qf8+ Kc7 25.Qa8 Rd6 26.Qa7+ Kc8 27.Qc5+ Rc6 28.Qa5 Re6 29.Kg4 Rc6 30.Qf5 Kc7 31.Qf4+ Kc8 32.Qd4 Kc7 33.Kh4 Kc8 34.Kh5 Kd8 35.Qe5 Kc8
+- (2.55) Depth: 54/73 00:00:45 756mN, tb=813430
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke3 Kc8 6.Qh8+ Kc7 7.Qd4 Re6+ 8.Kf3 Rc6 9.Qe5+ Kc8 10.Kg3 Rg6+ 11.Kf2 Rc6 12.Qf4 Rc2+ 13.Kg3 Rc6 14.Qf8+ Kc7 15.Kh4 Rc2 16.Qf7 Rc6 17.Kg4 Kd8 18.Kg3 Kc7 19.Kf3 Rc3+ 20.Kg4 Rc6 21.Qf4+ Kc8 22.Kf5 Rb6 23.Qc4+ Rc6 24.Qg8+ Kc7 25.Qa8 Rh6 26.Kg5 Rc6 27.Qa7+ Kc8 28.Qd4 Kc7 29.Kh5 Kc8 30.Qh8+ Kc7 31.Qg7 Re6 32.Qg8 Rb6 33.Qg3+ Kc8
+- (2.56) Depth: 55/78 00:00:46 781mN, tb=870624
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qd4 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qd5 Rc6+ 7.Kd3 a6 8.Qg8+ Kc7 9.Ke4 Rf6 10.Qa8 Rh6 11.Qa7+ Kc8 12.Qc5+ Rc6 13.Qf8+ Kc7 14.Qf4+ Kc8 15.Ke3 Re6+ 16.Kf2 Rc6 17.Qd4 Kc7 18.Qa7+ Kc8 19.Kg1 Rg6+ 20.Kh1 Rh6+ 21.Kg2 Rc6 22.Qa8+ Kc7 23.Qf8 Rc2+ 24.Kf3 Rc6 25.Qf4+ Kc8 26.Qd4 Kc7 27.Qa7+ Kc8 28.Qa8+ Kc7 29.Kf4 Rf6+ 30.Kg5 Rc6 31.Qa7+ Kc8 32.Qd4 Kc7 33.Qb4 Kc8 34.Qa5 Re6 35.Qc5+ Rc6 36.Qe5 Kb7 37.Kh5 Kc8 38.Qa5 Re6 39.Kg5 Rc6
+- (2.56) Depth: 56/85 00:00:48 804mN, tb=925437
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qd4 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qd5 Rc6+ 7.Kd3 a6 8.Qg8+ Kc7 9.Ke4 Rf6 10.Qa8 Rh6 11.Qa7+ Kc8 12.Qc5+ Rc6 13.Qf8+ Kc7 14.Qf4+ Kc8 15.Ke3 Re6+ 16.Kf2 Rc6 17.Qd4 Kc7 18.Qa7+ Kc8 19.Kg1 Rg6+ 20.Kh1 Rh6+ 21.Kg2 Rc6 22.Qa8+ Kc7 23.Kf3 Re6 24.Kf4 Rf6+ 25.Kg5 Rc6 26.Qa7+ Kc8 27.Qd4 Kd8 28.Kf5 Kc7 29.Qb4 Kc8 30.Kg5 Kc7 31.Qf4+ Kc8 32.Qf8+ Kc7 33.Qb4 Kc8 34.Kf5 Kc7 35.Qa5+ Kc8 36.Qd5 Kc7 37.Kg5
+- (2.56) Depth: 57/73 00:00:49 824mN, tb=941796
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qd4 Rb6+ 4.Kc4 Kc7 5.Qe5+ Kc8 6.Qd5 Rc6+ 7.Kd3 a6 8.Qg8+ Kc7 9.Ke4 Rf6 10.Qa8 Rh6 11.Qa7+ Kc8 12.Qc5+ Rc6 13.Qf8+ Kc7 14.Qf2 Re6+ 15.Kf5 Rc6 16.Qg3+ Kc8 17.Qg7 Kc7 18.Qh8 Rb6 19.Qe5+ Kc8 20.Qd4 Kc7 21.Qf4+ Kc8 22.Qc4+ Rc6 23.Qd4 Kc7 24.Kg5 Kc8 25.Qh8+ Kc7 26.Qe5+ Kc8 27.Qd4 Kd8 28.Qa7 Kc8 29.Qa8+ Kc7 30.Kf5 Rd6 31.Qa7+ Kc8 32.Qc5+ Rc6 33.Qf8+ Kc7 34.Kg4 Rg6+ 35.Kh5 Re6 36.Qc5+ Rc6 37.Qa5+ Kc8 38.Qd5 Kc7 39.Qe5+ Kc8
+- (2.56) Depth: 58/76 00:00:52 882mN, tb=1078991
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Qd4 Rb6+ 4.Ka4 Ra6+ 5.Kb4 Rb6+ 6.Kc5 Kc7 7.Qf4+ Kc8 8.Qf8+ Kc7 9.Qa8 Rc6+ 10.Kd4 a6 11.Ke5 Re6+ 12.Kf5 Rc6 13.Kg5 Re6 14.Qa7+ Kc8 15.Qc5+ Rc6 16.Qd4 Kc7 17.Qe5+ Kc8 18.Qe8+ Kc7 19.Qf8 Rb6 20.Qf4+ Kc8 21.Qd4 Rc6 22.Kf5 Kc7 23.Qf4+ Kc8 24.Qb4 Kc7 25.Qa5+ Kc8 26.Ke4 Re6+ 27.Kf3 Rc6 28.Kg3 Rg6+ 29.Kh4 Rh6+ 30.Kg5 Rc6 31.Kf5 Re6 32.Qc5+ Rc6 33.Qf8+ Kc7 34.Ke4 Re6+ 35.Kf3 Rb6 36.Qc5+ Rc6 37.Qd4 Rb6 38.Qe5+ Kc8 39.Qf4 Rc6 40.Qf8+ Kc7 41.Kg3 Rc3+ 42.Kg4
+- (2.56) Depth: 59/82 00:00:54 921mN, tb=1220994
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke4 Kc7 6.Qe5+ Kc8 7.Qd5 Rg6 8.Qf7 Rb6 9.Qg8+ Kc7 10.Kf5 Re6 11.Qg3+ Kc8 12.Qf2 Rc6 13.Qd4 Kc7 14.Kg5 Re6 15.Qa7+ Kc8 16.Qc5+ Rc6 17.Qa5 Re6 18.Qc3+ Rc6 19.Qh8+ Kc7 20.Qa8 Re6 21.Kg4 Rc6 22.Kf5 Rh6 23.Qa7+ Kc8 24.Qd4 Rc6 25.Qh8+ Kc7 26.Qe8 Re6 27.Qg8 Rc6 28.Kf4 Rc5 29.Qf7 Rc2 30.Kg5 Rc6 31.Kg4 Kd8 32.Kg3 Kc7 33.Qf4+ Kc8 34.Qf8+ Kc7
+- (2.56) Depth: 60/73 00:00:56 960mN, tb=1246505
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke4 Kc7 6.Qe5+ Kc8 7.Qd5 Rg6 8.Qf7 Rb6 9.Qg8+ Kc7 10.Kf5 Re6 11.Qg3+ Kc8 12.Qf2 Rc6 13.Qd4 Kc7 14.Qf4+ Kc8 15.Qb4 Kc7 16.Qa5+ Kc8 17.Kg5 Rd6 18.Qe5 Re6 19.Qh8+ Kc7 20.Qf8 Rc6 21.Qf4+ Kc8 22.Qe3 Re6 23.Qb3 Rc6 24.Kg4 Kc7 25.Kg3 Rg6+ 26.Kf4 Re6 27.Qd5 Rf6+ 28.Ke5 Rc6 29.Qa5+ Kc8 30.Qb4 Kc7 31.Qf4 Kc8 32.Qf7 Kc7 33.Kf4 Rb6 34.Kg4 Rc6 35.Qf4+ Kc8 36.Qf5 Kc7 37.Qa5+ Kc8
+- (2.56) Depth: 61/73 00:01:03 1055mN, tb=1950870
1.Qf1+ Kb6 2.Qxa1 Kb7 3.Kc4 Rc6+ 4.Kd4 a6 5.Ke4 Kc7 6.Qe5+ Kc8 7.Qd5 Rg6 8.Qf7 Rb6 9.Qg8+ Kc7 10.Kf5 Re6 11.Qg3+ Kc8 12.Qf2 Rc6 13.Qd4 Kc7 14.Qf4+ Kc8 15.Qb4 Kc7 16.Qa5+ Kc8 17.Kg5 Re6 18.Qb4 Rc6 19.Qb3 Kc7 20.Qg3+ Kc8 21.Qd3 Kc7 22.Qb3 Re6 23.Kf5 Rb6 24.Qg3+ Kc8 25.Qg7 Kc7 26.Qe5+ Kc8 27.Qd4 Rc6 28.Kg4 Kc7 29.Qe5+ Kc8 30.Qh8+ Kc7 31.Kg5 Rb6 32.Qd4 Rc6 33.Qa7+ Kc8 34.Qa8+ Kc7
+- (2.56) Depth: 62/68 00:01:12 1245mN, tb=2178237
1.Qd3+
+- (2.72 ++) Depth: 63/72 00:01:41 1802mN, tb=3359552
1.Qd3+
+- (2.88 ++) Depth: 63/72 00:01:44 1825mN, tb=3589082
1.Qd3+
+- (3.11 ++) Depth: 63/72 00:01:45 1837mN, tb=3763938
1.Qd3+
+- (3.41 ++) Depth: 63/78 00:01:48 1860mN, tb=4038972
1.Qd3+
+- (3.81 ++) Depth: 63/78 00:01:53 1909mN, tb=4701674
1.Qd3+
+- (4.33 ++) Depth: 63/78 00:02:01 1991mN, tb=5780079
1.Qd3+
+- (5.00 ++) Depth: 63/78 00:02:10 2074mN, tb=6982889
1.Qd3+
+- (5.87 ++) Depth: 63/78 00:02:43 2370mN, tb=11509273
1.Qd3+
+- (6.97 ++) Depth: 63/86 00:03:01 2536mN, tb=13870520
1.Qd3+
+- (8.37 ++) Depth: 63/102 00:03:32 2821mN, tb=17825558
Jouni
-
Sopel
- Posts: 391
- Joined: Tue Oct 08, 2019 11:39 pm
- Full name: Tomasz Sobczyk
Re: Interesting pawn ending and SF "bug"
Is this a draw or what's the issue?
dangi12012 wrote:No one wants to touch anything you have posted. That proves you now have negative reputations since everyone knows already you are a forum troll.
Maybe you copied your stockfish commits from someone else too?
I will look into that.
-
Jouni
- Posts: 3769
- Joined: Wed Mar 08, 2006 8:15 pm
- Full name: Jouni Uski
-
Eduard
- Posts: 1439
- Joined: Sat Oct 27, 2018 12:58 am
- Location: Germany
- Full name: N.N.
Re: Interesting pawn ending and SF "bug"
Same here (analyses with 6men Syzygy):
[fen]8/1p4p1/pP6/2B1pp2/P3k2K/4P3/8/8 w - - 0 1[/fen]
Analysis by Stockfish+ 120122:
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Ke6 49.Kg5 Kf7 50.Bd4 Ke6 51.Kxg6
White is clearly winning: +- (11.01) Depth: 72/21 00:00:24 847MN, tb=8790693
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Ke6 49.Kg5 Kf7 50.Bd4 Kf8
White is clearly winning: +- (11.01) Depth: 73/20 00:00:24 849MN, tb=8816024
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Ke6 49.Kg5 Kf7 50.Bd4 Kf8 51.Bc5+ Kf7
White is clearly winning: +- (11.01) Depth: 74/20 00:00:24 851MN, tb=8849451
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Ke6 49.Kg5 Ke7 50.Kxg6 Ke6
White is clearly winning: +- (11.01) Depth: 75/20 00:00:24 852MN, tb=8869761
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Kd6 49.Kg5 Ke6 50.Kxg6 Ke7 51.Bc5+ Kd8
White is clearly winning: +- (11.01) Depth: 76/22 00:00:25 861MN, tb=9029293
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Kc6 49.Bf2 Kd6 50.Kg5 Kc6 51.Kxg6
White is clearly winning: +- (11.01) Depth: 77/21 00:00:25 878MN, tb=9272594
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Kc6 49.Bf2 Kd6 50.Kg5 Kc6 51.Kxg6
White is clearly winning: +- (11.01) Depth: 78/21 00:00:25 892MN, tb=9454666
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Kg4 Kf6 48.Bd4+ Ke7 49.Kg5 Kd7 50.Kxg6 Ke7
White is clearly winning: +- (11.01) Depth: 79/20 00:00:26 919MN, tb=9829128
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Kc6 49.Bf2 Kd6 50.Kg5 Kc6 51.Kxg6
White is clearly winning: +- (11.01) Depth: 80/21 00:00:26 921MN, tb=9859775
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Ke6 49.Kg5 Ke5 50.Bf4+ Kd5 51.Kf6
White is clearly winning: +- (11.01) Depth: 81/21 00:00:27 955MN, tb=10318987
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kf5 48.Bf4 Ke6 49.Ke4
White is clearly winning: +- (11.01) Depth: 82/17 00:00:28 985MN, tb=10718334
41.Kg5 Kd5 42.Bb4 Ke4 43.Be1 f4 44.exf4 exf4 45.Bf2 Kf3 46.Bc5 Ke4 47.Kg6 Kd3 48.Kf5 f3 49.Kf4 Kc4 50.Bf2 Kd5 51.Kxf3
White is clearly winning: +- (11.01) Depth: 83/21 00:00:32 1128MN, tb=12832267
41.Kg5 Kd5 42.Bb4 Ke4 43.Be1 f4 44.exf4 exf4 45.Bf2 Kf3 46.Bc5 Ke4 47.Bd6 Kd5 48.Bxf4 Kc5 49.Be3+ Kd5 50.Kf5 Kd6 51.Kg6
White is clearly winning: +- (11.01) Depth: 84/21 00:00:36 1244MN, tb=14622438
And with older versions like SugaR AI:
8/1p4p1/pP6/2B1pp2/P3k2K/4P3/8/8 w - - 0 1
Analysis by SugaR AI 2.50-avx2:
41.Kg5 Kd5 42.Bb4 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Ba5 g6 46.Kf3 Kd6 47.Ke4 Kc6 48.Kf4 Kd7 49.Kg5 Ke7 50.Kxg6 Ke8
White is clearly winning: +- (9.31) Depth: 69/20 00:00:16 454MN, tb=3953839
41.Kg5 Kd5 42.Bb4 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Ba5 g6 46.Kg4 Kd6 47.Kg5 Kd7 48.Kxg6 Ke7 49.Be1
White is clearly winning: +- (9.31) Depth: 70/17 00:00:19 543MN, tb=5025684
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd6 Kd5 44.Bb8 Ke4 45.a5 Kxe3 46.Bxe5 Ke4 47.Bf4 g6 48.Bg3 Kd5 49.Kf6 Kc6 50.Ke7 g5
White is clearly winning: +- (9.31) Depth: 71/21 00:00:24 683MN, tb=6687967
41.Kg5 Kd5 42.Be7 Ke4 43.Bd6 Kd5 44.Bb8 Ke4 45.Bc7 a5 46.Bb8 Kxe3 47.Bxe5 Ke4 48.Bc7 Kd4 49.Kxf5 g5 50.Kxg5 Kd5
White is clearly winning: +- (9.31) Depth: 72/20 00:00:24 702MN, tb=6921463
41.Kg5 Kd5 42.Be7 f4 43.exf4 exf4 44.Kxf4 a5 45.Bd8 Kc4 46.Ke5 Kc5 47.Ke4 Kc4 48.Bh4 g5 49.Bxg5 Kc5 50.Be3+ Kb4 51.Bd2+ Ka3
White is clearly winning: +- (9.31) Depth: 73/21 00:00:26 751MN, tb=7564891
41.Kg5 Kd5 42.Be7 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Bd8 Kd6 46.Kf5 Kd7 47.Bg5 Kc6 48.Be3 Kd6 49.Kg6 Ke6 50.Bg5 Ke5 51.Kxg7 Kd6
White is clearly winning: +- (9.31) Depth: 74/22 00:00:27 771MN, tb=7812127
41.Kg5 Kd5 42.Bb4 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Ba5 Kd6 46.Kf5 Kc6 47.Ke6 g5 48.Kf5 g4 49.Kxg4
White is clearly winning: +- (9.31) Depth: 75/17 00:00:29 831MN, tb=8862192
41.Kg5 Kd5 42.Bb4 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Ba5 Kd6 46.Be1 Kc6 47.Bf2 Kd6 48.Ke4 g5 49.Kf5
White is clearly winning: +- (9.31) Depth: 76/17 00:00:30 867MN, tb=9333387
41.Kg5 Kd5 42.Bb4 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Ba5 Kd6 46.Be1 Kc6 47.Bf2 Kd6 48.Ke4 g5 49.Kf5
White is clearly winning: +- (9.31) Depth: 77/17 00:00:32 905MN, tb=9934328
Fixed here now:
8/1p4p1/pP6/2B1pp2/P3k2K/4P3/8/8 w - - 0 1
Analysis by CorChess 3 250122:
7 a4 50.e5 Kc4 51.Kxb7 Kc3 52.Ka6 Kb4 53.Bd2+ Kc4 54.b7 Kd4 55.b8Q
White is clearly winning: +- (84.60 ++) Depth: 32/34 00:00:15 519MN, tb=4043792
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Kc4 45.Kxf5 Kb4 46.e4 Kxa4 47.Kxe5 Kb5 48.Kd6 a5 49.Kc7 a4 50.e5 Kc4 51.Kxb7 Kc3 52.Ka6 Kb4 53.Bd2+ Kc4 54.b7 Kd4 55.b8Q
White is clearly winning: +- (151.78 ++) Depth: 32/34 00:00:15 524MN, tb=4150076
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Ke4 45.a5 f4 46.exf4 Kd5 47.f5 Kd6 48.Kg6 Ke7 49.Kxg7 Kd7 50.f6 Ke6 51.Kg6 Kd5 52.f7 Kc4 53.f8Q Kb5 54.Qe8+ Kc4 55.Qe6+ Kd3 56.Qf5+ Kc4 57.Qe4+ Kc3
White is clearly winning: +- (77.55) Depth: 32/37 00:00:17 592MN, tb=5527875
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Ke4 45.a5 f4 46.exf4 Kd5 47.f5 Kd6 48.Kg6 Ke7 49.Kxg7 Kd7 50.f6 Ke6 51.Kg6 Kd5 52.f7 Kc4 53.f8Q Kb5 54.Qe8+ Kc4 55.Qe6+ Kd3 56.Qf5+ Kc4 57.Qe4+ Kc3
White is clearly winning: +- (151.76 ++) Depth: 33/33 00:00:17 596MN, tb=5566197
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Ke4 45.a5 Kd3 46.Kxf5 e4 47.Ke5 Kc4 48.Kxe4 g6 49.Ke5 Kd3 50.e4 Kc3 51.Kf6 Kd3 52.Kxg6 Kxe4 53.Kf6 Kf3 54.Bf4 Kg2 55.Ke7 Kh1 56.Bg3 Kg2 57.Kd6
White is clearly winning: +- (152.45) Depth: 33/38 00:00:19 657MN, tb=6666893
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Ke4 45.a5 Kf3 46.Kxf5 e4 47.Kg6 Kg4 48.Kxg7 Kg5 49.Kf7 Kf5 50.Bd2 Kg5 51.Ke6 Kg4 52.Ke5 Kf3 53.Kf5 Kf2 54.Kxe4 Kf1 55.Kd5 Kg2 56.Kd6 Kf1 57.e4 Kg1
White is clearly winning: +- (152.46) Depth: 34/37 00:00:20 692MN, tb=7278741
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Kc2 45.Kxf5 Kxc1 46.e4 Kd2 47.Kxe5 Kd3 48.Kf5 Kd4 49.a5 g5 50.Kxg5 Ke5 51.Kg6 Ke6 52.e5 Ke7 53.Kg7 Ke6 54.Kf8 Kd7 55.Kf7 Kc6 56.Ke6 Kc5 57.Kd7 Kc4 58.Kc7
White is clearly winning: +- (152.46) Depth: 35/35 00:00:20 707MN, tb=7473526
[fen]8/1p4p1/pP6/2B1pp2/P3k2K/4P3/8/8 w - - 0 1[/fen]
Analysis by Stockfish+ 120122:
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Ke6 49.Kg5 Kf7 50.Bd4 Ke6 51.Kxg6
White is clearly winning: +- (11.01) Depth: 72/21 00:00:24 847MN, tb=8790693
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Ke6 49.Kg5 Kf7 50.Bd4 Kf8
White is clearly winning: +- (11.01) Depth: 73/20 00:00:24 849MN, tb=8816024
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Ke6 49.Kg5 Kf7 50.Bd4 Kf8 51.Bc5+ Kf7
White is clearly winning: +- (11.01) Depth: 74/20 00:00:24 851MN, tb=8849451
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Ke6 49.Kg5 Ke7 50.Kxg6 Ke6
White is clearly winning: +- (11.01) Depth: 75/20 00:00:24 852MN, tb=8869761
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Kd6 49.Kg5 Ke6 50.Kxg6 Ke7 51.Bc5+ Kd8
White is clearly winning: +- (11.01) Depth: 76/22 00:00:25 861MN, tb=9029293
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Kc6 49.Bf2 Kd6 50.Kg5 Kc6 51.Kxg6
White is clearly winning: +- (11.01) Depth: 77/21 00:00:25 878MN, tb=9272594
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Kc6 49.Bf2 Kd6 50.Kg5 Kc6 51.Kxg6
White is clearly winning: +- (11.01) Depth: 78/21 00:00:25 892MN, tb=9454666
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Kg4 Kf6 48.Bd4+ Ke7 49.Kg5 Kd7 50.Kxg6 Ke7
White is clearly winning: +- (11.01) Depth: 79/20 00:00:26 919MN, tb=9829128
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Kc6 49.Bf2 Kd6 50.Kg5 Kc6 51.Kxg6
White is clearly winning: +- (11.01) Depth: 80/21 00:00:26 921MN, tb=9859775
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kd5 48.Kf4 Ke6 49.Kg5 Ke5 50.Bf4+ Kd5 51.Kf6
White is clearly winning: +- (11.01) Depth: 81/21 00:00:27 955MN, tb=10318987
41.Kg5 f4 42.exf4 exf4 43.Bg1 f3 44.Kg4 g6 45.Bf2 Kd5 46.Kxf3 Ke5 47.Be3 Kf5 48.Bf4 Ke6 49.Ke4
White is clearly winning: +- (11.01) Depth: 82/17 00:00:28 985MN, tb=10718334
41.Kg5 Kd5 42.Bb4 Ke4 43.Be1 f4 44.exf4 exf4 45.Bf2 Kf3 46.Bc5 Ke4 47.Kg6 Kd3 48.Kf5 f3 49.Kf4 Kc4 50.Bf2 Kd5 51.Kxf3
White is clearly winning: +- (11.01) Depth: 83/21 00:00:32 1128MN, tb=12832267
41.Kg5 Kd5 42.Bb4 Ke4 43.Be1 f4 44.exf4 exf4 45.Bf2 Kf3 46.Bc5 Ke4 47.Bd6 Kd5 48.Bxf4 Kc5 49.Be3+ Kd5 50.Kf5 Kd6 51.Kg6
White is clearly winning: +- (11.01) Depth: 84/21 00:00:36 1244MN, tb=14622438
And with older versions like SugaR AI:
8/1p4p1/pP6/2B1pp2/P3k2K/4P3/8/8 w - - 0 1
Analysis by SugaR AI 2.50-avx2:
41.Kg5 Kd5 42.Bb4 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Ba5 g6 46.Kf3 Kd6 47.Ke4 Kc6 48.Kf4 Kd7 49.Kg5 Ke7 50.Kxg6 Ke8
White is clearly winning: +- (9.31) Depth: 69/20 00:00:16 454MN, tb=3953839
41.Kg5 Kd5 42.Bb4 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Ba5 g6 46.Kg4 Kd6 47.Kg5 Kd7 48.Kxg6 Ke7 49.Be1
White is clearly winning: +- (9.31) Depth: 70/17 00:00:19 543MN, tb=5025684
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd6 Kd5 44.Bb8 Ke4 45.a5 Kxe3 46.Bxe5 Ke4 47.Bf4 g6 48.Bg3 Kd5 49.Kf6 Kc6 50.Ke7 g5
White is clearly winning: +- (9.31) Depth: 71/21 00:00:24 683MN, tb=6687967
41.Kg5 Kd5 42.Be7 Ke4 43.Bd6 Kd5 44.Bb8 Ke4 45.Bc7 a5 46.Bb8 Kxe3 47.Bxe5 Ke4 48.Bc7 Kd4 49.Kxf5 g5 50.Kxg5 Kd5
White is clearly winning: +- (9.31) Depth: 72/20 00:00:24 702MN, tb=6921463
41.Kg5 Kd5 42.Be7 f4 43.exf4 exf4 44.Kxf4 a5 45.Bd8 Kc4 46.Ke5 Kc5 47.Ke4 Kc4 48.Bh4 g5 49.Bxg5 Kc5 50.Be3+ Kb4 51.Bd2+ Ka3
White is clearly winning: +- (9.31) Depth: 73/21 00:00:26 751MN, tb=7564891
41.Kg5 Kd5 42.Be7 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Bd8 Kd6 46.Kf5 Kd7 47.Bg5 Kc6 48.Be3 Kd6 49.Kg6 Ke6 50.Bg5 Ke5 51.Kxg7 Kd6
White is clearly winning: +- (9.31) Depth: 74/22 00:00:27 771MN, tb=7812127
41.Kg5 Kd5 42.Bb4 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Ba5 Kd6 46.Kf5 Kc6 47.Ke6 g5 48.Kf5 g4 49.Kxg4
White is clearly winning: +- (9.31) Depth: 75/17 00:00:29 831MN, tb=8862192
41.Kg5 Kd5 42.Bb4 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Ba5 Kd6 46.Be1 Kc6 47.Bf2 Kd6 48.Ke4 g5 49.Kf5
White is clearly winning: +- (9.31) Depth: 76/17 00:00:30 867MN, tb=9333387
41.Kg5 Kd5 42.Bb4 f4 43.exf4 exf4 44.Kxf4 Kc6 45.Ba5 Kd6 46.Be1 Kc6 47.Bf2 Kd6 48.Ke4 g5 49.Kf5
White is clearly winning: +- (9.31) Depth: 77/17 00:00:32 905MN, tb=9934328
Fixed here now:
8/1p4p1/pP6/2B1pp2/P3k2K/4P3/8/8 w - - 0 1
Analysis by CorChess 3 250122:
7 a4 50.e5 Kc4 51.Kxb7 Kc3 52.Ka6 Kb4 53.Bd2+ Kc4 54.b7 Kd4 55.b8Q
White is clearly winning: +- (84.60 ++) Depth: 32/34 00:00:15 519MN, tb=4043792
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Kc4 45.Kxf5 Kb4 46.e4 Kxa4 47.Kxe5 Kb5 48.Kd6 a5 49.Kc7 a4 50.e5 Kc4 51.Kxb7 Kc3 52.Ka6 Kb4 53.Bd2+ Kc4 54.b7 Kd4 55.b8Q
White is clearly winning: +- (151.78 ++) Depth: 32/34 00:00:15 524MN, tb=4150076
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Ke4 45.a5 f4 46.exf4 Kd5 47.f5 Kd6 48.Kg6 Ke7 49.Kxg7 Kd7 50.f6 Ke6 51.Kg6 Kd5 52.f7 Kc4 53.f8Q Kb5 54.Qe8+ Kc4 55.Qe6+ Kd3 56.Qf5+ Kc4 57.Qe4+ Kc3
White is clearly winning: +- (77.55) Depth: 32/37 00:00:17 592MN, tb=5527875
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Ke4 45.a5 f4 46.exf4 Kd5 47.f5 Kd6 48.Kg6 Ke7 49.Kxg7 Kd7 50.f6 Ke6 51.Kg6 Kd5 52.f7 Kc4 53.f8Q Kb5 54.Qe8+ Kc4 55.Qe6+ Kd3 56.Qf5+ Kc4 57.Qe4+ Kc3
White is clearly winning: +- (151.76 ++) Depth: 33/33 00:00:17 596MN, tb=5566197
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Ke4 45.a5 Kd3 46.Kxf5 e4 47.Ke5 Kc4 48.Kxe4 g6 49.Ke5 Kd3 50.e4 Kc3 51.Kf6 Kd3 52.Kxg6 Kxe4 53.Kf6 Kf3 54.Bf4 Kg2 55.Ke7 Kh1 56.Bg3 Kg2 57.Kd6
White is clearly winning: +- (152.45) Depth: 33/38 00:00:19 657MN, tb=6666893
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Ke4 45.a5 Kf3 46.Kxf5 e4 47.Kg6 Kg4 48.Kxg7 Kg5 49.Kf7 Kf5 50.Bd2 Kg5 51.Ke6 Kg4 52.Ke5 Kf3 53.Kf5 Kf2 54.Kxe4 Kf1 55.Kd5 Kg2 56.Kd6 Kf1 57.e4 Kg1
White is clearly winning: +- (152.46) Depth: 34/37 00:00:20 692MN, tb=7278741
41.Kg5 Kd5 42.Bb4 Ke4 43.Bd2 Kd3 44.Bc1 Kc2 45.Kxf5 Kxc1 46.e4 Kd2 47.Kxe5 Kd3 48.Kf5 Kd4 49.a5 g5 50.Kxg5 Ke5 51.Kg6 Ke6 52.e5 Ke7 53.Kg7 Ke6 54.Kf8 Kd7 55.Kf7 Kc6 56.Ke6 Kc5 57.Kd7 Kc4 58.Kc7
White is clearly winning: +- (152.46) Depth: 35/35 00:00:20 707MN, tb=7473526
-
Eduard
- Posts: 1439
- Joined: Sat Oct 27, 2018 12:58 am
- Location: Germany
- Full name: N.N.
Re: Interesting pawn ending and SF "bug"
Fat Titz 2 impressive! 
8/1p4p1/pP6/2B1pp2/P3k2K/4P3/8/8 w - - 0 1
Analysis by Fat Titz 2 130122 64 AVX2 NUMA:
41.Kg5 Kd5 42.Be7 Ke4 43.Bd6 Kd5 44.Bb8 Ke4 45.Bc7 Kd5 46.Kxf5 e4 47.Bf4 Kc4 48.Be5 g6+ 49.Kxg6 Kc5 50.Kf5 Kd5 51.Bf4 Kc5 52.Kxe4 Kc6 53.a5 Kd7 54.Kd5 Ke7 55.Be5 Kd7 56.Bf6 Ke8 57.Kd6 Kf7 58.Kc7 Ke8 59.Kxb7 Kd7 60.Kxa6 Kd6 61.b7 Ke6 62.b8Q Kd5 63.Qe8 Kd6 64.e4
White is clearly winning: +- (152.47) Depth: 45/47 00:00:11 500MN, tb=1729362
8/1p4p1/pP6/2B1pp2/P3k2K/4P3/8/8 w - - 0 1
Analysis by Fat Titz 2 130122 64 AVX2 NUMA:
41.Kg5 Kd5 42.Be7 Ke4 43.Bd6 Kd5 44.Bb8 Ke4 45.Bc7 Kd5 46.Kxf5 e4 47.Bf4 Kc4 48.Be5 g6+ 49.Kxg6 Kc5 50.Kf5 Kd5 51.Bf4 Kc5 52.Kxe4 Kc6 53.a5 Kd7 54.Kd5 Ke7 55.Be5 Kd7 56.Bf6 Ke8 57.Kd6 Kf7 58.Kc7 Ke8 59.Kxb7 Kd7 60.Kxa6 Kd6 61.b7 Ke6 62.b8Q Kd5 63.Qe8 Kd6 64.e4
White is clearly winning: +- (152.47) Depth: 45/47 00:00:11 500MN, tb=1729362