It is only a part of Holy Grail (first step).
There are only prohibited : null move pruning, reduction
and opened wide futility window
for such sensitive positions (rather theirs kinds).
I found some common features of these positions and possible next ones which can disappear in black hole. Of course it needs a precious code to avoid a wide gate.
[d] 3N2r1/2K1p3/4Pk2/8/Bp5b/8/2P5/8 b - - 0 1
Code: Select all
Sting beta:
1 00:00 54 216 +3,23 Bh4f2
2 00:00 137 548 +2,98 Bh4f2 Ba4b5
2 00:00 179 716 +3,39 Bh4g3+ Kc7d7 Bg3f4
3 00:00 447 1.680 +2,78 Bh4g3+ Kc7d7 Bg3f4 Nd8c6
3 00:00 695 2.612 +2,90 Bh4g5 Nd8c6 Rg8a8
4 00:00 1.191 4.477 +2,70 Bh4g5 Nd8c6 Kf6f5 Kc7d7
4 00:00 1.366 5.135 +2,94 Bh4g3+ Kc7d7 Bg3f4 Nd8c6 Rg8a8
5 00:00 2.679 9.533 +2,78 Bh4g3+ Kc7d7 Rg8g5 Ba4c6 Rg5c5 Bc6e4 Rc5c7+ Kd7e8
5 00:00 3.921 13.202 +3,03 Rg8g4 Ba4b5 Bh4g3+ Kc7b6 Bg3f2+ Kb6c7 Kf6e5
6- 00:00 4.762 16.033 +2,90 Rg8g4 Ba4b5
6 00:00 6.490 20.801 +2,94 Rg8g4 Ba4b5 Bh4g3+ Kc7b6 Bg3f4 Kb6c5 Rg4g8
7- 00:00 8.820 26.890 +2,82 Rg8g4 Ba4b3
7- 00:00 14.595 42.427 +2,70 Rg8g4 Ba4b3
7 00:00 21.453 57.208 +2,70 Rg8g4 Ba4b3 Bh4g3+ Kc7b6 Bg3d6 Nd8c6 Rg4g5 Bb3a2 Rg5g2 Ba2b3
8 00:00 22.317 59.512 +2,70 Rg8g4 Ba4b3 Bh4g3+ Kc7b6 Bg3d6 Nd8c6 Rg4g5 Bb3a2 Rg5g2 Ba2b3
9 00:00 33.895 83.485 +2,62 Rg8g4 Ba4b3 Bh4g3+ Kc7b6 Bg3d6 Nd8c6 Rg4g5 Bb3a2 Rg5g2 Ba2b3 Rg2h2 Kb6b5 Rh2h5+ Kb5b6
9+ 00:00 36.388 86.227 +2,82 Bh4g3+ Kc7d7
9 00:00 38.418 87.712 +2,82 Bh4g3+ Kc7d7 Bg3d6 Ba4b5 Rg8g5 Bb5c6 Rg5a5 Bc6e4 Ra5a7+ Kd7c6 Bd6c7 Nd8b7
10- 00:00 58.144 120.132 +2,70 Bh4g3+ Kc7d7
10 00:00 89.192 154.311 +2,74 Bh4g3+ Kc7d7 Bg3d6 Ba4c6 Bd6c5 Bc6d5 Rg8g5 Bd5b3 Rg5g2 Nd8c6 Rg2d2+ Kd7e8 Bc5d6 Ke8d8
11 00:00 138.545 192.691 +2,82 Bh4g3+ Kc7d7 Bg3d6 Ba4c6 Bd6c5 Bc6d5 Rg8g5 Bd5b3 Rg5g2 Nd8c6 Rg2d2+ Kd7e8 Bc5d6 Ke8d8
12 00:00 146.895 195.860 +2,82 Bh4g3+ Kc7d7 Bg3d6 Ba4c6 Bd6c5 Bc6d5 Rg8g5 Bd5b3 Rg5g2 Nd8c6 Rg2d2+ Kd7e8 Bc5d6 Ke8d8
13 00:00 161.733 207.084 +2,82 Bh4g3+ Kc7d7 Bg3d6 Ba4c6 Bd6c5 Bc6d5 Rg8g5 Bd5b3 Rg5g2 Nd8c6 Rg2d2+ Kd7e8 Bc5d6 Ke8d8
14+ 00:01 260.954 249.239 +2,90 Bh4g3+ Kc7d7
14 00:01 285.421 257.136 +2,94 Bh4g3+ Kc7d7 Rg8g4 Nd8c6 Bg3d6 Ba4b3 Rg4g2 Kd7e8 Rg2d2 Ke8d8 Bd6c5+ Kd8c7 Kf6f5 Bb3c4 Kf5e4 Bc4b3
15- 00:01 346.973 267.519 +2,82 Bh4g3+ Kc7d7
15 00:01 412.346 280.698 +2,82 Bh4g3+ Kc7d7 Rg8g4 Nd8c6 Bg3d6 Ba4b3 Rg4g2 Nc6d4 Bd6c5 Nd4c6 Rg2d2+ Kd7c7 Rd2h2 Kc7d7 Rh2g2 Kd7d8 Bc5b6+ Kd8d7 Rg2d2+ Kd7e8 Bb6c5
16 00:01 454.256 284.800 +2,82 Bh4g3+ Kc7d7 Rg8g4 Nd8c6 Bg3d6 Ba4b3 Rg4g2 Nc6d4 Bd6c5 Nd4c6 Rg2d2+ Kd7c7 Rd2h2 Kc7d7 Rh2g2 Kd7c7 Kf6f5 Bb3c4 Rg2d2 Bc4b3
17 00:02 693.334 316.735 +2,82 Bh4g3+ Kc7d7 Rg8g4 Nd8c6 Bg3d6 Ba4b3 Rg4g2 Nc6d4 Bd6c5 Nd4c6 Rg2d2+ Kd7c7 Rd2h2 Kc7d7 Rh2g2 Kd7c7
18- 00:02 961.637 341.733 +2,74 Bh4g3+ Kc7d7
18 00:04 1.628.612 369.383 +2,74 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6d4 Bd6c5 Nd4f3 Bc5f2 Bb3c4 Bf2e3 Bc4b3 Rh8h1 Bb3c4 Rh1h5 Bc4b3 Be3f4 Bb3c4 Rh5h3
19- 00:06 2.578.600 383.549 +2,66 Bh4g3+ Kc7d7
19 00:14 5.125.875 366.290 +2,66 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6d8 Rh8h5 Kd7c6 Bd6g3 Kc6b7 Rh5b5+ Kb7c6 Rb5g5 Kc6d7
20 00:20 7.398.817 357.949 +2,66 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6d8 Rh8h5 Kd7c6 Bd6g3 Kc6b7 Rh5b5+ Kb7c6 Rb5g5 Kc6d7
21 00:25 9.383.621 370.923 +2,62 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6a5 Bd6c5 Na5c6 Rh8h2 Nc6d8 Rh2h5 Kd7c7 Kf6f5 Kc7d7 Rh5g5 Kd7c6
22 00:33 12.842.930 379.743 +2,62 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6a5 Bd6c5 Na5c6 Rh8h2 Nc6d8 Rh2h5 Kd7c7 Kf6f5 Kc7d7 Rh5g5 Kd7c6 Kf5f6
23 00:46 17.336.686 374.717 +2,62 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6a5 Bd6c5 Na5c6 Rh8h2 Nc6d8 Rh2h5 Kd7c7 Kf6f5 Kc7d7 Rh5g5 Nd8c6 Kf5f6 Nc6d8 Rg5g2
24 01:17 30.649.638 395.765 +2,62 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6a5 Bd6c5 Na5c6 Rh8h2 Nc6d8 Rh2h5 Kd7c7 Kf6f5 Kc7d7 Rh5g5 Nd8c6 Kf5f6 Nc6d8 Rg5g2 Kd7c6
25 01:32 36.784.595 396.394 +2,62 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6a5 Bd6c5 Na5c6 Rh8h2 Nc6d8 Rh2h5 Kd7c7 Kf6f5 Kc7d7 Rh5g5 Nd8c6 Kf5f6
26 02:11 51.148.321 388.278 +2,62 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6a5 Bd6c5 Na5c6 Rh8h2 Nc6d8 Rh2h5 Kd7c7 Kf6f5 Kc7d7 Rh5g5 Nd8c6 Kf5f6
27 03:13 76.570.048 395.854 +2,62 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6a5 Bd6c5 Na5c6 Rh8h2 Nc6d8 Rh2h5 Kd7c7 Kf6f5 Kc7d7 Rh5g5 Nd8c6 Kf5f6
28 04:03 95.111.990 390.801 +2,62 Bh4g3+ Kc7d7 Bg3f4 Ba4b3 Rg8h8 Nd8c6 Bf4d6 Nc6a5 Bd6c5 Na5c6 Rh8h2 Nc6d8 Rh2h5 Kd7c7 Kf6f5 Kc7d7 Rh5g5 Nd8c6 Kf5f6
29+ 05:25 120.952.380 371.070 +2,70 Bh4g3+ Kc7d7
29+ 05:39 125.445.010 369.647 +2,78 Bh4g3+ Kc7d7
29+ 06:26 141.685.474 366.795 +3,91 Bh4g3+ Kc7d7
29+ 06:44 148.162.309 366.312 +5,21 Bh4g3+ Kc7c8
Sting (beta) needs 5 minutes to do it on PIV 3 GHz, 2 threads, primitive compilation.