Very nice pawn endgame !
Stockfish_20102220 (with NNUE) is very good here but other engines will have trouble to see so many pawn sacrifices.
4 runs with Stockfish_20102220 on an i7-6*4GHz : 5m24s, 4m58s, 11m and 8m25s
Code: Select all
Stockfish_20102220_x64_modern:
Found 511 tablebases
NNUE evaluation using nn-eba324f53044.nnue enabled
...
57/57 04:06 3 557 623 667 14 439 052 +0,22 1.Kb3 Kd8 2.Ka2 Kd7 3.Kb2 Ke8 4.Kc3 Ke7 5.Kc2 Kd8 6.Kd1 Ke8 7.Ke1 Kd8 8.Kf2 Ke7 9.Kf3 Kf8 10.Ke4 Ke8 11.b5 a5 12.b6 Kd7 13.Kd3 Ke7 14.Kc4 Ke8 15.Kb3 Ke7 16.Ka2 Ke8 17.Ka3 Kd7 18.Kb2 Ke7 19.Kb3 Kd7 20.Kc2 Ke8 21.Kd2 Ke7 22.Kd1 Kd8 23.Ke1 Ke8 24.Ke2 Ke7 25.Kf2 Ke8 26.Ke3 Kd7 27.f5 gxf5 28.h5 Ke8 29.h6
58/73+ 05:24 4 729 532 595 14 566 750 +0,30 1.f5
58/73+ 05:49 5 062 734 986 14 503 411 +0,38 1.f5
58/73+ 09:59 8 603 984 056 14 354 734 +2,25 1.f5
58/75 10:00 8 616 847 066 14 355 741 +2,25 1.f5 exf5 2.Kb3 Kd7 3.d5 Ke7 4.d6+ Kd8 5.Kc4 Kc8 6.Kc3 Kd7 7.Kd4 Kd8 8.Kd3 Kc8 9.Kc4 Kd7 10.Kc3 Kc8 11.Kb2 Kd8 12.Kc1 Ke8 13.Kd1 Kd7 14.Ke2 Ke8 15.Kf1 Kd8 16.Kg1 Kd7 17.Kg2 Ke8 18.Kh2 Kd8 19.Kh3 Kd7 20.Kg3 a5 21.bxa5 Ke6 22.Kf4 Kd7 23.Kf3 Ke6 24.Ke2 Kd7 25.Kd3 Ke6 26.Kc3 Kd7 27.Kb4 Kd8 28.Kc4 Kd7 29.Kc3 Kc8 30.Kd3 Kd7 31.a6 bxa6
59/74+ 13:03 10 320 275 866 13 175 835 +2,34 1.f5
59/74+ 15:10 11 652 488 313 12 803 356 +2,42 1.f5
59/74+ 29:43 22 571 535 649 12 658 947 +3,73 1.f5
Code: Select all
Stockfish_20102220_x64_modern:
Found 511 tablebases
NNUE evaluation using nn-eba324f53044.nnue enabled
...
57/59 03:21 2 551 126 436 12 641 354 +0,13 1.Kb2 Kd7 2.Kb3 Kd8 3.Kc4 Kd7 4.Kd3 Kd8 5.Ke3 Ke8 6.Ke4 Kd7 7.Kf3 Ke7 8.Kg4 Kf8 9.h5 gxh5+ 10.Kxh5 g6+ 11.Kh4 Ke7 12.Kh3 Ke8 13.Kg4 Kd7 14.Kg3 Ke8 15.Kf3 Kd7 16.Ke2 Kd8 17.Ke3 Ke8 18.Ke4 Kd8 19.a5 Ke8 20.Kf3 Kd8 21.Ke2 Ke8 22.Kf1 Kd7 23.Kf2 Kd8 24.Ke1 Ke8 25.Ke2 Kd8 26.Kd2 Ke8 27.Kc3 Kd7 28.Kb3 Ke8 29.Kb2 Kf8 30.Ka2
58/60+ 04:58 3 487 959 872 11 673 929 +0,21 1.f5
58/60+ 05:20 3 701 805 544 11 534 044 +0,29 1.f5
58/94+ 09:53 6 493 125 727 10 948 790 +2,16 1.f5
58/94 11:46 7 504 317 226 10 622 648 +2,16 1.f5 exf5 2.Kb2 Kd7 3.d5 Ke7 4.Kc2 Ke8 5.d6 Kd7 6.Kd3 Ke8 7.Ke3 Kd7 8.Kf4 Ke8 9.Kg3 Kd8 10.Kf3 Kd7 11.Ke3 Ke8 12.Kf4 a5 13.bxa5 Kf8 14.Kf3 Ke8 15.a6 bxa6 16.a5 Kd7 17.Ke3 Ke8 18.Kf4 Kf8 19.Kf3 Ke8 20.Ke3 Kd7 21.Kd3 Kd8 22.Kd2 Kc8 23.Kc3 Kd7 24.Kc2 Ke8 25.Kb2 f4 26.Kc3 f3 27.Kd2 f2 28.Ke2 f1R 29.Kxf1 Kd8 30.Ke2 Ke8
Code: Select all
Stockfish_20102220_x64_modern:
Found 511 tablebases
NNUE evaluation using nn-eba324f53044.nnue enabled
...
54/56 02:43 1 836 813 257 11 227 464 +0,32 1.Kb3 Kd8 2.Kc2 Kd7 3.Kc3 Kd8 4.Kd3 Ke8 5.Kc4 Ke7 6.f5 gxf5 7.h5 Ke8 8.Kc3 Ke7 9.Kd3 Kf8 10.Ke3 Kg8 11.Ke2 Kh8 12.Kf3 a5 13.bxa5 g6 14.h6 Kg8 15.Ke2 Kh7 16.Kd3 Kh8 17.Kd2 Kg8 18.Kc3 Kh7 19.Kc2 Kg8 20.Kd2 Kh8 21.Ke1 Kg8 22.Kf1 Kh7 23.Ke2 Kg8 24.Kf3 Kh8 25.Kg3 Kh7 26.a6 bxa6 27.Kh4 Kg8 28.d5
55/57+ 11:00 11 939 011 596 18 074 787 +0,40 1.f5
55/57+ 11:25 12 261 064 320 17 889 753 +0,49 1.f5
55/92+ 16:24 16 422 373 370 16 686 470 +3,08 1.f5
55/92 16:38 16 624 733 942 16 644 690 +3,08 1.f5 exf5 2.Kb2 Kd7 3.d5 cxd5 4.Kc3 f4 5.b5 f3 6.Kd2 d4 7.b6 f2 8.Ke2 Kc6 9.h5 gxh5 10.g6 fxg6 11.e6 f1R 12.e7 Rb1 13.e8Q+ Kxc5 14.Qd8 Rb2+ 15.Kd3 Rb3+ 16.Kc2 Rxb6 17.Qc7+ Rc6 18.Qxb7 Kd6+ 19.Kd2 Kd5 20.Qxg7 Rd6 21.Qf7+ Ke5 22.Kd3 Re6 23.Qf3 Rd6 24.Qg3+ Kd5 25.Qg5+ Kc6 26.Qe7 Kd5 27.Qe4+ Kc5 28.Qb7 Rc6 29.Qf7 Rd6 30.Qa7+ Kd5 31.Qb8 Kc5 32.Qc8+ Rc6
Code: Select all
Stockfish_20102220_x64_modern:
Found 511 tablebases
NNUE evaluation using nn-eba324f53044.nnue enabled
...
56/61 06:48 6 384 320 341 15 639 181 +0,20 1.Kb3 Kd8 2.Kc2 Kd7 3.Kd1 Ke8 4.Ke1 Kd8 5.Ke2 Kd7 6.Kf3 Ke8 7.Kg4 Kf8 8.Kg3 Ke7 9.Kf2 Ke8 10.Kf3 Ke7 11.Ke3 Kd8 12.Kd3 Ke8 13.Kc3 Kd8 14.Kb3 Ke7 15.Ka2 Kd8 16.Kb1 Ke8 17.Kb2 Kd8 18.Kc1 Kd7 19.Kc2 Kd8 20.b5 a5 21.f5 gxf5 22.h5 Ke7 23.Kd2 Ke8 24.Kd3 Kf8 25.Ke3 Kg8 26.Kf4 g6 27.h6 Kh8 28.Ke3 Kg8 29.Kd2
57/61+ 08:25 7 494 930 190 14 841 034 +0,28 1.f5
57/61+ 08:45 7 687 819 440 14 639 422 +0,37 1.f5
57/77+ 18:50 13 106 085 839 11 596 448 +3,89 1.f5
57/101 34:10 22 052 023 144 10 753 485 +4,21 1.f5 exf5 2.Kb3 Kd7 3.d5 cxd5 4.b5 axb5 5.axb5 Ke7 6.Kc2 Kd7 7.Kd1 f4 8.Kc2 Kc8 9.Kd3 Kd7 10.Kc3 b6 11.cxb6 f3 12.Kd3 f2 13.Ke2 d4 14.Kxf2 Kc8 15.b7+ Kxb7 16.h5 Kb6 17.Kg3 d3 18.Kf3 Kc7 19.e6 d2 20.Ke2 d1B+ 21.Ke1 Bb3 22.h6 Bxe6 23.h7 Kb6 24.h8Q Kxb5 25.Qd8 Kc5 26.Kd2 Kc6 27.Ke3 Bd5 28.Kd4 Be6