> The point of checking this book against the tablebases is not to gleefully
> point out mistakes by noted experts, since errors are inevitable when
> writing ambitious chess books, but to discover new and interesting ideas.
> If two high-calibre endgame specialists missed something then it is
> likely to be an idea which is both subtle and counter-intuitive, and
> therefore a valuable addition to endgame understanding.
6r1/7k/8/8/5Kb1/6P1/R4B2/8 w - -
Engine: Deep Shredder 12 x64 (4096 MB)
by Stefan Meyer-Kahlen
1/03 0:00 +0.28 1.Bd4 (3) 0
2/04 0:00 +0.25 1.Bd4 Be6 (178) 5 SB:2
3/07 0:00 +0.24 1.Bd4 Be6 2.Re2 (783) 12 TB:2 SB:19
3/07 0:00 +0.26 1.Ra7+ Kh6 2.Ra6+ Kh5 3.Ra5+ Kh6 (1.353) 17 TB:12 SB:23
4/08 0:00 +0.26 1.Ra7+ Kh6 2.Ra6+ Kh5 3.Ra5+ (2.959) 31 TB:28 SB:52
5/14 0:00 +0.21 1.Ra7+ Kh6 2.Ra6+ Kh5 3.Ra5+ Kh6
4.Bd4 Be6 5.Ra3 (7.545) 37 TB:62 SB:145
5/14 0:00 +0.22 1.Rd2 Kh6 2.Rd6+ Kh5 3.Rd5+ Kh6
4.Bd4 Be6 (19.785) 24 TB:268 SB:417
6/13 0:00 +0.20 1.Rd2 Be6 2.Ke5 Bc4 3.Rd6 Re8+ 4.Kd4 Re2 (25.962) 28 TB:327 SB:571
7/13 0:01 +0.20 1.Rd2 Be6 2.Ke5 Bc4 3.Rd6 Rf8 4.Be3 Kg7 (46.498) 40 TB:530
SB:1.047
8/19 0:01 +0.16 1.Rd2 Be6 2.Ke5 Bc4 3.Rd6 Re8+ 4.Kd4 Be2
5.Kd5 Bf3+ 6.Kc5 Rc8+ 7.Kd4 (100.907) 71 TB:725
SB:2.918
8/21 0:01 +0.18 1.Ra7+ Kh6 2.Ra6+ Kh5 3.Ra5+ Kh6
4.Bd4 Bc8 5.Be3 Rg4+ 6.Ke5+ Kg6
7.Bf4 Bb7 8.Ke6 Bc8+ 9.Kd6 (138.346) 95 TB:825
SB:4.210
9/25 0:01 +0.20 1.Ra7+ Kh6 2.Ra6+ Kh5 3.Ra5+ Kh6
4.Bd4 Bc8 5.Be3 (258.773) 135
TB:1.217 SB:8.688
10/27 0:03 +0.18 1.Ra7+ Kh6 2.Ra6+ Kh5 3.Ra5+ Kh6
4.Bc5 Bd1 5.Bd6 Rg4+ 6.Ke3 Kg6 7.Bf4 Bb3
8.Ra6+ Kf5 9.Kf3 (421.659) 131
TB:1.783 SB:15.673
11/26 0:06 +0.21 1.Ra7+ Kh6 2.Be3 Kh5 3.Ra5+ Kh6
4.Ke5+ Kg6 5.Ra6+ Kg7 6.Rb6 Kh7
7.Bf4 Re8+ 8.Kf6 Kg8 9.Kg5 Be6
10.Rb7 (568.878) 87 TB:2.783
SB:21.232
12/28 0:10 +0.19 1.Ra7+ Kh6 2.Be3 Kh5 3.Ra5+ Kh6
4.Ke5+ Kh7 5.Bf4 Be2 6.Kd6 Kg6
7.Rg5+ Kh7 8.Re5 Rg6+ 9.Kc5 Bf3
10.Re7+ Kg8 11.Be5 (765.942) 75
TB:4.429 SB:28.245
13/22 0:17 +0.20 1.Ra7+ Kh6 2.Be3 Kh5 3.Ra5+ Kh6
4.Ke5+ Kh7 5.Bf4 Be2 6.Kd4 Kg6
7.Rg5+ Kf7 8.Rc5 Rd8+ 9.Ke3 Bg4
10.Bg5 Rc8 11.Re5 (971.077) 56
TB:7.071 SB:35.326
14/30 0:28 +0.19 1.Ra7+ Kh6 2.Be3 Kh5 3.Ra5+ Kh6
4.Ke5+ Kh7 5.Bf4 Be2 6.Kd4 Kg6
7.Rg5+ Kf7 8.Rc5 Rd8+ 9.Ke3 Bg4
10.Bc7 Rd1 11.Kf4 Be6 12.Be5 Rf1+
13.Kg5 (1.282.474) 45 TB:11.131
SB:47.448
15/35 0:43 +0.17 1.Ra7+ Kh6 2.Be3 Kh5 3.Ra5+ Kh6
4.Ke5+ Kh7 5.Bf4 Bc8 6.Kf6 Rg6+
7.Ke7 Kg8 8.Be5 Ra6 9.Rc5 Bf5 10.Bd6 Ra7+
11.Kf6 Rf7+ 12.Ke5 Kg7 13.Kf4 (2.704.497) 61
TB:17.472 SB:111.144
16/34 1:05 +0.17 1.Ra7+ Kh6 2.Be3 Kh5 3.Ra5+ Kh6
4.Ke5+ Kh7 5.Bf4 Bc8 6.Kf6 Rg6+
7.Ke7 Kg8 8.Be5 Ra6 9.Rc5 Bf5 10.Bd6 Ra7+
11.Kf6 Rf7+ 12.Kg5 Be6 13.Be5 Rf3 (4.164.792) 63
TB:26.650 SB:175.752
17/38 1:22 +0.17 1.Ra7+ Kh6 2.Be3 Kh5 3.Ra5+ Kh6
4.Ke4+ Kh7 5.Bf4 Re8+ 6.Kd4 Rd8+
7.Ke5 Kg7 8.Ra7+ Rd7 9.Ra6 Re7+
10.Kd4 Re6 11.Ra5 Bf3 12.Be5+ Kg6
13.Ke3 Ba8 14.Kf4 (7.263.479) 87
TB:36.187 SB:325.465
18/40 1:36 +0.17 1.Ra7+ Kh6 2.Be3 Kh5 3.Ra5+ Kh6
4.Ke4+ Kh7 5.Bf4 Re8+ 6.Kd4 Rd8+
7.Ke5 Kg7 8.Ra7+ Rd7 9.Ra6 Re7+
10.Kd4 Re6 11.Ra5 Bf3 12.Be5+ Kg6
13.Ra3 Bb7 (9.796.188) 101 TB:46.031
SB:442.639
19/46 1:54 +0.16 1.Ra7+ Kh6 2.Be3 Kh5 3.Ra5+ Kh6
4.Ke4+ Kh7 5.Bf4 Re8+ 6.Kd4 Re6
7.Rg5 Rg6 8.Re5 Re6 9.Rd5 (18.530.333) 162
TB:61.016 SB:852.960
20/46 2:23 +0.14 1.Ra7+ Kh6 2.Be3 Bc8 3.Ra5 Rf8+
4.Ke4+ Kg6 5.Rg5+ Kf7 6.Bf4 Kf6
7.Rh5 Re8+ 8.Kf3 Bf5 9.Rh6+ Kg7
10.Rb6 Re6 11.Rb8 Kg6 12.Rg8+ Kf7
13.Rh8 Kg7 14.Rh4 (50.223.712) 349
TB:86.468 SB:2.275.886
21/41 2:57 +0.14 1.Ra7+ Kh6 2.Be3 Bc8 3.Ra5 Rf8+
4.Ke4+ Kg6 5.Rg5+ Kf7 6.Bf4 Kf6
7.Rh5 Re8+ 8.Kf3 Bf5 9.Rh6+ Kg7
10.Rb6 Re6 11.Rb8 Kg6 12.Rg8+ Kf7
13.Rh8 Kg7 14.Rh4 (84.453.438) 475
TB:121.536 SB:3.878.841
22/45 3:21 +0.13 1.Ra7+ Kh6 2.Be3 Bc8 3.Ra5 Rf8+
4.Ke4+ Kg6 5.Rg5+ Kf6 6.Rb5 Kg6
7.Bf4 Bf5+ 8.Kf3 Re8 9.Rb4 Re1
10.Be3 Rf1+ 11.Ke2 Rb1 12.Rh4 Kg7
13.Kf3 Rf1+ 14.Kg2 (138.354.849) 686
TB:154.135 SB:6.299.199
23/46 3:50 +0.13 1.Ra7+ Kh6 2.Be3 Bc8 3.Ra5 Rf8+
4.Ke4+ Kg6 5.Rg5+ Kf6 6.Rb5 Kg6
7.Bf4 Bf5+ 8.Kf3 Re8 9.Rb4 Re1
10.Be3 Rf1+ 11.Ke2 Rb1 12.Rh4 Kg7
13.Kf3 Rf1+ 14.Kg2 (211.480.157) 919
TB:189.644 SB:9.411.671
24/50 4:11 +0.13 1.Ra7+ Kh6 2.Be3 Bc8 3.Ra5 Rf8+
4.Ke4+ Kg6 5.Rg5+ Kf6 6.Rb5 Kg6
7.Bf4 Re8+ 8.Kf3 Re7 9.Ra5 Bb7+
10.Kf2 Bc8 11.Rg5+ (284.961.276) 1132
TB:217.796 SB:12.593.780
25/50 4:57 +0.11 1.Ra7+ Kh6 2.Be3 Bc8 3.Ra5 Rf8+
4.Ke4+ Kg6 5.Rg5+ Kf6 6.Rb5 Kg6
7.Bf4 Rf5 8.Rb6+ Rf6 9.Rb8 Rf8
10.Kd5 Kh5 11.Kd6 Kg4 12.Ke7 Rh8
13.Be5 Rh7+ 14.Kd6 (500.125.815) 1682
TB:248.593 SB:21.554.092
26/51 6:43 +0.11 1.Ra7+ Kh6 2.Be3 Bc8 3.Ra5 Rf8+
4.Ke4+ Kg6 5.Rg5+ Kf6 6.Rb5 Kg6
7.Bf4 Rf5 8.Rb6+ Rf6 9.Rb8 Rf8
10.Kd5 Kh5 11.Kd6 Kg4 12.Ke7 Rh8
13.Be5 Rh7+ 14.Kd6 (991.154.264) 2458
TB:309.315 SB:43.853.671
27/57 9:13 +0.12 1.Ra7+ Kh6 2.Be3 Bc8 3.Kf3+ Kg6
4.Bf4 Rf8 5.Re7 Rf7 6.Re5 Bb7+ 7.Kf2 Rf5
8.Re7 Bd5 9.Re8 (1.768.351.615) 3195
TB:351.854 SB:75.033.936
28/55 10:56 +0.12 1.Ra7+ Kh6 2.Be3 Bc8 3.Kf3+ Kg6
4.Bf4 Rf8 5.Re7 Rf7 6.Re5 Bb7+ 7.Kf2 Rf5
8.Re8 Bd5 9.Ke3 Rf6 10.Kd4 Bf7
11.Rh8 Kf5 12.Ke3 Re6+ 13.Kf3 Rc6
14.Rf8 (2.313.818.243) 3524
TB:391.898 SB:97.883.571
29/53 13:05 +0.12 1.Ra7+ Kh6 2.Be3 Bc8 3.Kf3+ Kg6
4.Bf4 Rf8 5.Re7 Rf7 6.Re5 Bb7+ 7.Kf2 Rf5
8.Re8 Bd5 9.Ke3 Rf6 10.Kd4 Bf7
11.Rh8 Kf5 12.Ke3 Re6+ 13.Kf3 Rc6
14.Rf8 (3.022.755.259) 3849
TB:415.490 SB:128.239.941
30/60 17:31 +0.11 1.Ra7+ Kh6 2.Be3 Bc8 3.Kf3+ Kg6
4.Bf4 Rf8 5.Re7 Kf6 6.Rh7 Rg8 7.Ra7 Bg4+
8.Kf2 Kf5 9.Ra5+ Ke4 10.Ra4+ Kd3
11.Bd6 Bd1 12.Ra3+ Kd4 13.Ra2 Kd3
14.Bb4 (4.510.731.523) 4290
TB:444.027 SB:190.751.287
31/63 29:28 +0.10 1.Ra7+ Kh6 2.Be3 Bc8 3.Kf3+ Kg6
4.Bf4 Rf8 5.Re7 Kf6 6.Rh7 Rg8 7.Ra7 Bg4+
8.Kf2 Be6 9.Ra5 (8.460.919.538) 4783
TB:560.314 SB:356.842.756
32/61 44:57 +0.10 1.Ra7+ Kh6 2.Be3 Bc8 3.Kf3+ Kg6
4.Bf4 Rf8 5.Re7 Kf6 6.Rh7 Rg8 7.Ra7 Bg4+
8.Kf2 Be6 9.Ra5 Rc8 10.Ke3 Rc2
11.Rb5 Ra2 12.Bd6 Bc4 13.Rc5 Ra4
14.Be5+ (13.280.377.056) 4923
TB:849.521 SB:575.187.470
33/64 65:06 +0.10 1.Ra7+ Kh6 2.Be3 Bc8 3.Kf3+ Kg6
4.Bf4 Rf8 5.Re7 Kf6 6.Rh7 Rg8 7.Ra7 Bg4+
8.Kf2 Be6 9.Ra5 Rc8 10.Ke3 Rc2
11.Rb5 Ra2 12.Bd6 Bc4 13.Rb4 Re2+
14.Kf4 (19.463.801.732) 4982
TB:1.309.623 SB:869.836.658
34/68 94:21 +0.10 1.Ra7+ Kh6 2.Be3 Bc8 3.Kf3+ Kg6
4.Bf4 Rf8 5.Re7 Kf6 6.Rh7 Rg8 7.Ra7 Bg4+
8.Kf2 Be6 9.Ra5 Rc8 10.Ke3 Rc2
11.Ke4 Ra2 12.Rc5 Ra4+ 13.Kf3 (28.086.579.483) 4961
TB:2.251.713 SB:1.278.845.236
best move: Ra2-a7 time: 96:07.997 min n/s: 4.962.927 CPU 374.3% n/s(1CPU): 1.325.922 nodes: 28.625.998.463 TB: 2.279.637 SB: 1.309.316.884
6r1/7k/8/8/5Kp1/6P1/R4P2/8 w - -
Engine: H4 B (4096 MB)
by Robert Houdart
4/10 0:00 +0.79 1.Re2 Kh6 2.Re6+ Kh5 3.Re5+ Kh6 (1.184) 592
5/11 0:00 +0.79 1.Re2 Kh6 2.Re6+ Kh5 3.Re5+ Kh6 (1.678) 839
6/13 0:00 +0.73 1.Re2 Kh6 2.Re5 Rf8+ 3.Rf5 Rg8 (2.596) 519
7/14 0:00 +0.73 1.Re2 Kh6 2.Re6+ Kh5 3.Re5+ Kh6
4.Rf5 Rg6 (3.671) 83 TB:3
7/14 0:00 +0.80++ 1.Ra7+ (4.200) 77 TB:4
7/14 0:00 +0.95++ 1.Ra7+ (4.405) 81 TB:4
7/15 0:00 +0.97 1.Ra7+ Kh6 2.Ra6+ Kh5 3.Rf6 Rd8
4.Rf5+ Kg6 5.Kxg4 (4.846) 89 TB:4
8/15 0:00 +0.95 1.Ra7+ Kh6 2.Ra6+ Kh5 3.Rf6 Rd8
4.Rf5+ Kg6 5.Kxg4 Rd2 (5.879) 59 TB:8
9/17 0:00 +0.96 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Kg7
4.Kg5 Re8 5.Rf4 Re2 6.Kxg4 (9.755) 65 TB:14
10/17 0:00 +0.94 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Kg7
4.Kg5 Re8 5.Rf4 Re2 6.Kh5 Rd2 7.Kxg4 (16.827) 88 TB:46
11/22 0:00 +0.87-- 1.Ra7+ Kh6 (24.905) 110 TB:70
11/22 0:00 +0.72-- 1.Ra7+ Kh6 (35.728) 109 TB:99
11/22 0:00 +0.73 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Kf5 Rg8 5.Ke5 Kg7 6.Rf5 Kh6 7.Kf4 Rg6 (46.088) 136 TB:157
12/24 0:00 +0.80++ 1.Ra7+ (67.154) 122 TB:239
12/26 0:00 +0.94 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg8 9.Rxg4 Rd8 10.Rg5 Rd4+
11.Ke3 (74.768) 113 TB:302
13/26 0:00 +1.03++ 1.Ra7+ (83.806) 99 TB:437
13/26 0:00 +1.20++ 1.Ra7+ (87.877) 98 TB:490
13/26 0:00 +1.58++ 1.Ra7+ (92.539) 98 TB:535
13/26 0:00 +1.23 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf8
8.Rg5 Rh6 9.Kxg4 Ke7 10.f4 Rd6
11.Re5+ Kf6 (95.041) 99 TB:538
14/26 0:01 +1.32++ 1.Ra7+ (100.950) 83 TB:696
14/26 0:01 +1.49++ 1.Ra7+ (103.680) 85 TB:716
14/26 0:01 +1.87++ 1.Ra7+ (105.937) 84 TB:731
14/29 0:01 +2.82++ 1.Ra7+ (110.560) 87 TB:756
14/29 0:01 +2.69 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf7
8.Rg5 Rxg5 9.Kxg5 Ke6 10.Kxg4 Ke5
11.Kg5 Ke4 12.g4 (111.678) 87 TB:765
15/29 0:01 +2.80++ 1.Ra7+ (113.924) 89 TB:777
15/29 0:01 +3.01++ 1.Ra7+ (116.009) 90 TB:786
15/29 0:01 +3.52 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf7
8.Rg5 Rxg5 9.Kxg5 Ke6 10.Kxg4 Ke5
11.Kg5 Ke4 12.f4 Kd4 13.f5 Ke5 14.g4 (119.696) 90 TB:810
16/30 0:01 +3.66++ 1.Ra7+ (124.414) 91 TB:854
16/30 0:01 +3.56 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf7
8.Rg5 Rxg5 9.Kxg5 Ke6 10.Kxg4 Ke5
11.Kg5 Ke4 12.f4 Kd4 13.Kf5 Kd5
14.g4 (126.306) 90 TB:873
17/35 0:01 +3.56 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Kh7 6.Rf6 Rg8 7.Kf5 Rg7
8.Rf8 Rg6 9.Rh8+ Kxh8 10.Kxg6 Kg8
11.Kf5 Kf7 12.Kg5 (136.833) 75
TB:1.026
18/35 0:02 +3.70++ 1.Ra7+ (144.125) 71 TB:1.118
18/38 0:02 +3.88 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Kh7 6.Rf6 Rg8 7.Kf5 Rg7
8.Rf8 Rg6 9.Rh8+ Kg7 10.Rh2 Kf7
11.Rh7+ Rg7 12.Rxg7+ Kxg7 13.Kxg4 Kf6
14.f4 (151.057) 72 TB:1.173
19/38 0:02 +4.04++ 1.Ra7+ (159.511) 67 TB:1.290
19/38 0:02 +4.35++ 1.Ra7+ (162.968) 67 TB:1.308
19/38 0:02 +5.20++ 1.Ra7+ (165.394) 68 TB:1.324
19/38 0:02 +7.62++ 1.Ra7+ (176.200) 72 TB:1.331
19/45 0:02 +9.40 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Kh7 6.Rf6 Rg8 7.Kf5 Rg7
8.Rf8 Rg6 9.Rh8+ Kg7 10.Rh2 Kf8
11.Kxg6 Ke7 12.Kf5 Kd6 13.Kxg4 Ke5
14.f4+ (280.094) 108 TB:1.426
20/45 0:02 +9.40 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Kh7 6.Rf6 Rg8 7.Kf5 Rg7
8.Rf8 Rg6 9.Rh8+ Kg7 10.Rh2 Kf8
11.Kxg6 Ke7 12.Kf5 Kd6 13.Kxg4 Ke5
14.f4+ (296.078) 110 TB:1.476
21/45 0:02 +9.40 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Kh7 6.Rf6 Rg8 7.Kf5 Rg7
8.Rf8 Rg6 9.Rh8+ Kg7 10.Rh2 Kf8
11.Kxg6 Ke7 12.Kf5 Kd6 13.Kxg4 Ke5
14.f4+ (315.843) 113 TB:1.593
22/47 0:03 +9.79++ 1.Ra7+ (365.023) 120 TB:1.749
22/47 0:03 +10.57++ 1.Ra7+ (374.126) 121 TB:1.778
22/47 0:03 +12.80++ 1.Ra7+ (375.439) 121 TB:1.791
22/47 0:03 +19.36++ 1.Ra7+ (376.709) 121 TB:1.798
22/47 0:05 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg5 9.Rxg4 (442.574) 80
TB:2.389
23/47 0:06 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg5 9.Rxg4 (466.269) 76
TB:2.571
24/47 0:07 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg5 9.Rxg4 (515.813) 69
TB:2.960
25/47 0:10 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (629.643) 59
TB:3.626
26/47 0:13 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (719.655) 54
TB:4.303
27/47 0:14 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (802.572) 53
TB:4.808
28/47 0:20 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (980.905) 47
TB:6.164
29/47 0:25 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (1.181.394) 45
TB:7.512
30/47 0:34 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (1.525.173) 44
TB:9.851
31/47 0:44 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (1.897.463) 42
TB:12.296
32/47 0:55 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (2.373.901) 42
TB:15.519
33/47 1:15 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (3.176.610) 42
TB:21.869
34/47 1:46 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (4.563.161) 42
TB:31.716
35/47 2:10 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (5.864.363) 45
TB:39.735
36/47 3:14 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (8.711.009) 44
TB:60.419
36/47 3:51 +M44 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7
4.Rf5 Kh6 5.Rf8 Rg6 6.Rh8+ Kg7 7.Rh5 Kf6
8.Rh4 Rg7 9.Rxg4 (11.620.903) 50
TB:74.943
best move: Ra2-a7 time: 3:51.927 min n/s: 50.000 CPU 38.7% n/s(1CPU): 129.198 nodes: 11.620.903 TB: 74.943
Stockfish-DD-32-PA_GTB: 5-Steiner!
1/1 00:00 84 84k +2,21 Ta2-b2
2/4 00:00 343 343k +2,14 Ta2-a7+ Kh7-h6 Ta7-a6+ Kh6-h5 Ta6-a5+ Kh5-h6
3/6 00:00 690 690k +2,14 Ta2-a7+ Kh7-h6 Ta7-a6+ Kh6-h5 Ta6-a5+ Kh5-h6
4/7 00:00 2k 2.460k +2,14 Ta2-c2 Kh7-h6 Tc2-c6+ Kh6-h5 Tc6-c5+ Kh5-h6
6/8 00:00 4k 4.057k +2,10 Ta2-c2 Kh7-h6 Tc2-c6+ Kh6-h5 Tc6-c5+ Kh5-h6 Tc5-c2 Tg8-g7
7/10 00:00 10k 604k +1,96 Ta2-a5 Kh7-h6 Ta5-f5 Tg8-g6 Tf5-f7 Tg6-g8 Tf7-f5 Tg8-g6 Tf5-f7 Tg6-g8 Tf7-f5
13/20 00:00 135k 954k +1,58 Ta2-a5 Kh7-h6 Ta5-a6+ Kh6-h7 Ta6-a2 Kh7-h6 Ta2-b2 Tg8-g6 Tb2-d2 Kh6-h5 Td2-d5+ Kh5-h6 Td5-f5 Tg6-g8 Tf5-a5 Tg8-f8+ Ta5-f5 Tf8-g8 Tf5-a5 Tg8-f8+ Ta5-f5 Tf8-g8
14/23 00:00 349k 1.478k +2,22 Ta2-a7+ Kh7-h6 Ta7-a6+ Kh6-h7 Ta6-f6 Tg8-g7 Tf6-f5 Kh7-h6 Tf5-f8 Tg7-g6 Tf8-h8+ Kh6-g7 Th8-h5 Tg6-f6+ Th5-f5 Tf6-g6 Tf5-g5 Tg6xg5 Kf4xg5
64/102 1:10:40 9.986.772k 2.355k +88,26 Ta2-a7+ Kh7-h6 Ta7-a6+ Kh6-h7 Ta6-a7+ Kh7-h6 Ta7-a6+ Kh6-h7 Ta6-a7+
Bester Zug: Ta2-a7, Wert: +88,26, Tiefe: 64/102, Dauer: 1:09:48,120, 9.986.772.425 Knoten, 2.355k
6r1/7k/8/8/5Kp1/6P1/R4P2/8 w - - 0 1
Syz-Fish 131213, 1 GB Hashtables:
(...)
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18/36 00:01 2 215k 1 651k +0,63 1.Kf5 Kh6 2.Rd2 Rg5+ 3.Kf4 Rg7 4.Rd6+ Kh5 5.Rd5+ Kh6
18/36 00:01 2 215k 1 651k +2,40 1.Rb2 Rg6 2.Kf5 Rg8 3.Rb6 Rf8+ 4.Rf6 Rg8 5.Kf4 Rg7
18/36 00:01 2 215k 1 651k +2,40 1.Rd2 Rg6 2.Kf5 Rg8 3.Rd6 Rf8+ 4.Rf6 Rg8 5.Kf4 Rg7
18/36 00:01 2 215k 1 651k +2,40 1.Re2 Rg6 2.Kf5 Rg8 3.Re6 Rf8+ 4.Rf6 Rg8 5.Kf4 Rg7
18/36 00:01 2 215k 1 651k +2,40 1.Rc2 Rg6 2.Kf5 Rg8 3.Rc6 Rf8+ 4.Rf6 Rg8 5.Kf4 Rg7
18/36 00:01 2 215k 1 651k +2,48 1.Ra5 Kh6 2.Ra6+ Kh7 3.Ra5
18/36 00:01 2 215k 1 651k +2,48 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Ra5 Kh6 4.Ra6+
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(...)
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57/83 05:01 2 102 627k 6 984k +M0 (?!) 1.Ra4 Rf8+ 2.Ke3 Rg8 3.Ra6 Re8+ 4.Kd2 Re5 5.Ra4 Rg5
57/83 05:01 2 102 627k 6 984k +31,86 1.Rd2 Kh6 2.Rd6+ Kh5 3.Rf6 Rg7 4.Rf8 Kg6 5.Kxg4 Kh6+
57/83 05:01 2 102 627k 6 984k +31,86 1.Rb2 Rg6 2.Kf5 Rg8 3.Rb6 Rf8+ 4.Rf6 Rg8 5.Kf4 Rg7
57/83 05:01 2 102 627k 6 984k +31,86 1.Rc2 Kh6 2.Rc6+ Kh5 3.Rf6 Rg7 4.Rf8 Kg6 5.Kxg4 Kh6+
57/83 05:01 2 102 627k 6 984k +31,86 1.Re2 Rg7 2.Kf5 Rg8 3.Re6 Rf8+ 4.Rf6 Rg8 5.Kf4 Rg7
57/83 05:01 2 102 627k 6 984k +31,86 1.Ra5 Kh6 2.Ra6+ Kh7 3.Rf6 Rg7 4.Rf5 Kh6 5.Rf8 Ra7
57/83 05:01 2 102 627k 6 984k +31,86 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Rf6 Rg7 4.Rf5 Kh6 5.Rf8 Ra7
Best move: Ra7, Value: +5,37, Depth: 57/83, Time: 05:01,667, 2 102 627 049 Nodes, 6 984k
Das war nach 5 Mio. Tablebasehits. Zurück auf Einzelvariante:
Syz-Fish 131213:
(...)
69/94 03:00 1 219 641k 6 769k +148,41 1.Ra5 Kh6 2.Ra6+ Kh5 3.Rf6 Rb8 4.Rf5+ Kh6 5.Kxg4 Kg6 6.Ra5 Rb6 7.f4 Kf7 8.Ra7+ Kg6 9.Ra4 Kf6 10.f5 Ke5 11.Ra5+ Kd4 12.f6 Kc4 13.f7 Rh6 14.f8Q
Best move: Ra5, Value: +148,41, Depth: 69/94, Time: 03:00,182, 1 219 641 466 Nodes, 6 769k
P.S. Mit einer zu obiger zeitnahen, normalen SF.-Version sieht MultiPV(7) doch deutlich anders aus, inkl. Zugumstellungen zwischen den Varianten:
Stockfish 101213:
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50/71 04:24 1 991 297k 7 526k +0,16 1.Kf5 Kh6 2.Re2 Rg5+ 3.Kf4 Rg6 4.Kf5 Rg5+
50/71 04:24 1 991 297k 7 526k +0,18 1.Rc2 Rg6 2.Kf5 Rg8 3.Ra2 Kh6 4.Re2 Rg5+ 5.Kf6 Rg6+
51/71 04:24 1 991 297k 7 526k +M0 (?!) 1.Rb2 Rg6 2.Kf5 Rg8 3.Rd2 Kh6 4.Re2 Rg5+ 5.Kf6 Rg6+
51/71 04:24 1 991 297k 7 526k +0,16 1.Re2 Rg6 2.Kf5 Rg8 3.Re7+ Kh6 4.Re2 Rg5+ 5.Kf4 Rg6
51/71 04:24 1 991 297k 7 526k +0,16 1.Rd2 Rg6 2.Ke5 Rg5+ 3.Ke4 Rg6 4.Kf5 Rg8 5.Ra2 Kh6
51/71 04:24 1 991 297k 7 526k +15,49 1.Ra7+ Kh6 2.Ra6+ Kh7 3.Ra5 Kh6 4.Ra6+
51/71 04:24 1 991 297k 7 526k +15,49 1.Ra5 Kh6 2.Ra6+ Kh7 3.Ra5
Best move: Ra5, Value: +15,49, Depth: 51/71, Time: 04:24,604, 1 991 297 156 Nodes, 7 526k
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