Stockfish solves an old position it was clueless about before!

[acase]

This position was posted in this thread here------>http://talkchess.com/forum3/viewtopic.p ... 43#p499953


Stockfish solves this old position it was clueless about before! and without Tablebases

Here is the position in question


[d]8/1p1b2k1/p1p1p1p1/2P1P2p/1P3P1P/P2B1K2/8/8 w - -



FEN: 8/1p1b2k1/p1p1p1p1/2P1P2p/1P3P1P/P2B1K2/8/8 w - - 0 1

Stockfish_18080817_x64_bmi2:

62/83+ 01:00 2,618,222k 43,499k +5.85 1.Kf3-e3
62/87 01:14 3,273,601k 43,795k +5.85 1.Kf3-e3 Kg7-f7 2.Ke3-d4 Bd7-e8 3.Kd4-c4 Kf7-e7 4.Kc4-b3 Ke7-d8 5.Kb3-a4 Kd8-c7 6.Ka4-a5 Be8-f7 7.a3-a4 Bf7-e8 8.Bd3-b1 Be8-f7 9.Bb1-a2 Bf7-g8 10.Ba2-c4 Bg8-f7 11.b4-b5 a6xb5 12.a4xb5 Bf7-g8 13.Bc4-b3 c6xb5 14.Ka5xb5 Bg8-f7 15.Bb3-c2 Bf7-e8+ 16.Kb5-a5 Be8-c6 17.Bc2xg6 Bc6-f3 18.Ka5-b4 Bf3-e2 19.Kb4-c3 b7-b6 20.c5xb6+ Kc7xb6 21.Kc3-d2 Be2-g4 22.f4-f5 e6xf5 23.Kd2-e3 Kb6-c7 24.Ke3-f4 Kc7-d8 25.Bg6xf5 Bg4-d1 26.Bf5-g6 Kd8-d7 27.Kf4-g5 Kd7-e7 28.Bg6xh5 Bd1-c2 29.Bh5-g4 Bc2-b3 30.Bg4-f5 Bb3-d1 31.h4-h5 Bd1-b3 32.h5-h6 Ke7-f7 33.Bf5-g4 Bb3-c4 34.e5-e6+ Kf7-g8 35.e6-e7 Bc4-b5 36.Bg4-f5 Bb5-e8 37.Bf5-e4
63/83 01:16 3,348,209k 43,746k +5.85 1.Kf3-e3 Kg7-f7 2.Ke3-d4 Bd7-e8 3.Kd4-c4 Kf7-e7 4.Kc4-b3 Ke7-d8 5.Kb3-a4 Kd8-c7 6.Ka4-a5 Be8-f7 7.Bd3-e4 Bf7-e8 8.a3-a4 Be8-f7 9.b4-b5 a6xb5 10.a4xb5 Bf7-e8 11.Be4-d3 c6xb5 12.Bd3xb5 Be8-c6 13.Bb5-d3 Bc6-h1 14.Ka5-b4 b7-b6 15.c5xb6+ Kc7xb6 16.Bd3xg6 Bh1-f3 17.Kb4-c4 Bf3-d1 18.Kc4-d4 Kb6-c7 19.Bg6-d3 Kc7-d8 20.f4-f5 e6xf5 21.Bd3xf5 Bd1-b3 22.Kd4-e4 Bb3-g8 23.Ke4-e3 Kd8-c7 24.Ke3-f4 Kc7-d8 25.Kf4-g5 Kd8-e7 26.Kg5xh5 Bg8-f7+ 27.Kh5-g5 Bf7-e8 28.h4-h5 Ke7-f8 29.h5-h6 Kf8-g8 30.Kg5-f6 Be8-b5 31.e5-e6 Bb5-e8 32.e6-e7 Be8-c6 33.Kf6-e5 Kg8-h8 34.Bf5-g6 Bc6-a4 35.Bg6-e4 Ba4-e8 36.Ke5-e6 Kh8-g8 37.Be4-f5 Be8-a4 38.Ke6-e5 Kg8-h8 39.Ke5-f6 Ba4-c6 40.Kf6-f7
64/80 01:16 3,367,730k 43,757k +5.85 1.Kf3-e3 Kg7-f7 2.Ke3-d4 Bd7-e8 3.Kd4-c4 Kf7-e7 4.Kc4-b3 Ke7-d8 5.Kb3-a4 Kd8-c7 6.Ka4-a5 Be8-f7 7.Bd3-e4 Bf7-e8 8.a3-a4 Be8-f7 9.b4-b5 a6xb5 10.a4xb5 Bf7-e8 11.Be4-d3 c6xb5 12.Bd3xb5 Be8-c6 13.Bb5-d3 Bc6-h1 14.Ka5-b4 Bh1-f3 15.Bd3xg6 b7-b6 16.c5xb6+ Kc7xb6 17.Kb4-c4 Kb6-c7 18.Kc4-c5 Kc7-d7 19.Kc5-d4 Bf3-g4 20.Kd4-e4 Bg4-d1 21.f4-f5 e6xf5+ 22.Bg6xf5+ Kd7-e7 23.Ke4-e3 Ke7-f8 24.Ke3-f4 Kf8-g7 25.Kf4-g5 Kg7-f7 26.Bf5-g6+ Kf7-e6 27.Bg6xh5 Bd1-c2 28.Kg5-f4 Ke6-e7 29.Bh5-g4 Bc2-b3 30.Kf4-g5 Bb3-f7 31.Bg4-f5 Bf7-e8 32.h4-h5 Ke7-f8 33.h5-h6 Kf8-g8 34.Kg5-f6 Be8-b5 35.e5-e6 Bb5-e8 36.e6-e7 Be8-c6 37.Kf6-e5 Kg8-h8 38.Bf5-g6 Bc6-a4 39.Ke5-e6 Kh8-g8 40.Bg6-e4 Ba4-e8
65/86 01:18 3,445,948k 43,741k +5.85 1.Kf3-e3 Kg7-f7 2.Ke3-d4 Bd7-e8 3.Kd4-c4 Kf7-e7 4.Kc4-b3 Ke7-d8 5.Kb3-a4 Kd8-c7 6.Ka4-a5 Be8-f7 7.a3-a4 Bf7-e8 8.Bd3-b1 Be8-f7 9.Bb1-a2 Bf7-g8 10.Ba2-c4 Bg8-f7 11.Bc4-b3 Bf7-g8 12.Bb3-a2 Bg8-f7 13.Ba2-c4 Bf7-g8 14.Bc4-d3 Bg8-f7 15.b4-b5 a6xb5 16.a4xb5 Bf7-e8 17.Bd3-c4 c6xb5 18.Bc4xb5 Be8-c6 19.Bb5-d3 Bc6-h1 20.Ka5-b4 Bh1-f3 21.Bd3xg6 b7-b6 22.c5xb6+ Kc7xb6 23.Kb4-c4 Kb6-c7 24.Kc4-c5 Kc7-d7 25.Kc5-d4 Bf3-g4 26.Kd4-e4 Bg4-d1 27.f4-f5 e6xf5+ 28.Bg6xf5+ Kd7-e7 29.Ke4-e3 Ke7-f8 30.Ke3-f4 Kf8-g7 31.Kf4-g5 Kg7-f7 32.Bf5-g6+ Kf7-e6 33.Bg6xh5 Bd1-c2 34.Kg5-f4 Ke6-e7 35.Bh5-g4 Bc2-b3 36.Kf4-g5 Bb3-f7 37.Bg4-f5 Bf7-e8 38.h4-h5 Ke7-f8 39.h5-h6 Kf8-g8 40.Kg5-f6 Be8-b5 41.e5-e6 Bb5-e8 42.e6-e7 Be8-c6 43.Kf6-e5 Kg8-h8
66/80 01:20 3,505,782k 43,759k +5.85 1.Kf3-e3 Kg7-f7 2.Ke3-d4 Bd7-e8 3.Kd4-c4 Kf7-e7 4.Kc4-b3 Ke7-d8 5.Kb3-a4 Kd8-c7 6.Ka4-a5 Be8-f7 7.Bd3-e4 Bf7-e8 8.a3-a4 Be8-f7 9.b4-b5 a6xb5 10.a4xb5 Bf7-e8 11.Be4-d3 c6xb5 12.Bd3xb5 Be8-c6 13.Bb5-d3 Bc6-h1 14.Ka5-b4 Bh1-f3 15.Bd3xg6 b7-b6 16.c5xb6+ Kc7xb6 17.Kb4-c4 Kb6-c7 18.Kc4-c5 Kc7-d7 19.Kc5-d4 Bf3-g4 20.Kd4-e4 Bg4-d1 21.f4-f5 e6xf5+ 22.Bg6xf5+ Kd7-e7 23.Ke4-e3 Ke7-f8 24.Ke3-f4 Kf8-g7 25.Kf4-g5 Kg7-f7 26.Bf5-g6+ Kf7-e6 27.Bg6xh5 Bd1-c2 28.Kg5-f4 Ke6-e7 29.Bh5-g4 Bc2-b3 30.Kf4-g5 Bb3-f7 31.Bg4-f5 Bf7-e8 32.h4-h5 Ke7-f8 33.h5-h6 Kf8-g8 34.Kg5-f6 Be8-b5 35.e5-e6 Bb5-e8 36.e6-e7 Be8-c6 37.Kf6-e5 Kg8-h8 38.Bf5-g6 Bc6-a4 39.Ke5-e6 Kh8-g8 40.Bg6-e4 Ba4-e8
67/89 01:20 3,535,018k 43,737k +5.85 1.Kf3-e3 Kg7-f7 2.Ke3-d4 Bd7-e8 3.Kd4-c4 Kf7-e7 4.Kc4-b3 Ke7-d8 5.Kb3-a4 Kd8-c7 6.Ka4-a5 Be8-f7 7.a3-a4 Bf7-e8 8.Bd3-b1 Be8-f7 9.Bb1-a2 Bf7-g8 10.Ba2-c4 Bg8-f7 11.Bc4-b3 Bf7-g8 12.Bb3-a2 Bg8-f7 13.Ba2-c4 Bf7-g8 14.Bc4-d3 Bg8-f7 15.b4-b5 a6xb5 16.a4xb5 Bf7-e8 17.Bd3-c4 c6xb5 18.Bc4xb5 Be8-c6 19.Bb5-d3 Bc6-h1 20.Ka5-b4 Bh1-f3 21.Bd3xg6 b7-b6 22.c5xb6+ Kc7xb6 23.Kb4-c4 Kb6-c7 24.Kc4-c5 Kc7-d7 25.Kc5-d4 Bf3-g4 26.Kd4-e4 Bg4-d1 27.f4-f5 e6xf5+ 28.Bg6xf5+ Kd7-e7 29.Ke4-e3 Ke7-f8 30.Ke3-f4 Kf8-g7 31.Kf4-g5 Kg7-f7 32.Bf5-g6+ Kf7-e6 33.Bg6xh5 Bd1-c2 34.Kg5-f4 Ke6-e7 35.Bh5-g4 Bc2-b3 36.Kf4-g5 Bb3-f7 37.Bg4-f5 Bf7-e8 38.h4-h5 Ke7-f8 39.h5-h6 Kf8-g8 40.Kg5-f6 Be8-b5 41.e5-e6 Bb5-e8 42.e6-e7 Be8-c6 43.Kf6-e5 Kg8-h8 44.Bf5-g6 Bc6-a4 45.Ke5-f6
68/91 01:26 3,801,426k 43,745k +5.85 1.Kf3-e3 Kg7-f7 2.Ke3-d4 Bd7-e8 3.Kd4-c4 Kf7-e7 4.Kc4-b3 Ke7-d8 5.Kb3-a4 Kd8-c7 6.Ka4-a5 Be8-f7 7.a3-a4 Bf7-e8 8.Bd3-b1 Be8-f7 9.Bb1-a2 Bf7-g8 10.Ba2-c4 Bg8-f7 11.Bc4-b3 Bf7-g8 12.Bb3-a2 Bg8-f7 13.Ba2-c4 Bf7-g8 14.Bc4-d3 Bg8-f7 15.b4-b5 a6xb5 16.a4xb5 Bf7-e8 17.Bd3-c4 c6xb5 18.Bc4xb5 Be8-c6 19.Bb5-d3 Bc6-h1 20.Ka5-b4 Bh1-f3 21.Bd3xg6 b7-b6 22.c5xb6+ Kc7xb6 23.Kb4-c4 Kb6-c7 24.Kc4-c5 Kc7-d7 25.Kc5-d4 Bf3-g4 26.Kd4-e4 Bg4-d1 27.f4-f5 e6xf5+ 28.Bg6xf5+ Kd7-e7 29.Ke4-e3 Ke7-f8 30.Ke3-f4 Kf8-g7 31.Kf4-g5 Kg7-f7 32.Bf5-g6+ Kf7-e6 33.Bg6xh5 Bd1-c2 34.Kg5-f4 Ke6-e7 35.Bh5-g4 Bc2-b3 36.Kf4-g5 Bb3-f7 37.Bg4-f5 Bf7-e8 38.h4-h5 Ke7-f8 39.h5-h6 Kf8-g8 40.Kg5-f6 Be8-b5 41.e5-e6 Bb5-e8 42.e6-e7 Be8-c6 43.Kf6-g6 Bc6-e8+ 44.Kg6-g5 Be8-c6 45.Kg5-f6 Bc6-b5 46.Bf5-e4
69/71+ 01:32 4,070,052k 43,865k +5.92 1.Kf3-e3
69/83+ 01:39 4,397,977k 44,276k +6.00 1.Kf3-e3
69/91+ 05:34 16,798,702k 50,248k +9.13 1.Kf3-e3

[Jouni]

Hmm may be all moves are winning :

Analysis by Stockfish 120818 64 BMI2:

1. +- (7.05): 1.Be4 Kf7 2.Ke3 Be8 3.Kd4 Ke7 4.Bb1 Bf7 5.Kc4 Kd8 6.Bc2 Kc8 7.Bd3 Kb8 8.Kb3 Ka8 9.Be4 Kb8 10.Kc3 Ka7 11.Bd3 Kb8 12.Kc4 Kc7 13.Kd4 Kd8 14.Be4 Ke7 15.Bb1 Be8 16.Kc4 Bf7 17.Kb3 Kd8 18.Bc2 Be8 19.Kc3 Ke7 20.Bd3 Bf7 21.Bc4 Ke8 22.Bf1 Ke7 23.Kb3 Kd8 24.Ka4 Kc7 25.Be2 Be8 26.Bd3 Kd7 27.Bf1 Kc8 28.Ka5 Kc7 29.Bc4 Bf7 30.Bd3 Be8 31.Be4 Bf7 32.Bc2 Be8 33.Bb3 Bf7 34.Bc4 Bg8
2. +- (7.05): 1.Ke3 Be8 2.Kd2 Bf7 3.Kc3 Kf8 4.Kc4 Ke7 5.Kd4 Be8 6.Bc4 Bf7 7.Kc3 Ke8 8.Kb3 Kd7 9.Bf1 Kd8 10.Ka4 Kc7 11.Bd3 Kc8 12.Ka5 Kc7 13.Bc4 Bg8 14.Ka4 Bf7 15.Bf1 Kb8 16.Kb3 Kc7 17.Bd3 Kd7 18.Bb1 Kd8 19.Bc2 Be8 20.Kc3 Ke7 21.Kd2 Bf7 22.Be4 Kf8 23.Ke3 Ke8 24.Bc2 Kd7 25.Kd4 Ke7 26.Ba4 Be8 27.Kd3 Bf7 28.Ke3 Be8 29.Ke2 Kf8 30.Bc2 Kf7 31.Be4 Ke7 32.Ke3 Kd8 33.Kd4 Bf7 34.Kc3 Ke8 35.Kb3 Ke7 36.Ka4 Kd8
3. +- (7.05): 1.Ke4 Be8 2.Kf3 Kf7 3.Ke3 Ke7 4.Bc2 Kd8 5.Bb1 Ke7 6.Kd2 Bf7 7.Kc2 Ke8 8.Kc3 Kd7 9.Bd3 Ke7 10.Kd4 Be8 11.Bc4 Bf7 12.Ke4 Kd7 13.Kd3 Be8 14.Kc3 Ke7 15.Kd2 Bf7 16.Kc2 Kd8 17.Kc3 Kc7 18.Kb3 Kd7 19.Bf1 Kd8 20.Bd3 Ke8 21.Kc4 Ke7 22.Be4 Kd8 23.Kb3 Kc7 24.Bc2 Kd8 25.Ka4 Kc7 26.Bd3 Kc8 27.Be2 Kc7 28.Kb3 Be8 29.Kc3 Kd7 30.Bd3 Ke7 31.Be4 Kd8 32.Kd4 Bf7 33.Kc4 Be8 34.Kc3 Bf7
4. +- (7.05): 1.Bb1 Kf7 2.Bc2 Be8 3.Ke3 Ke7 4.Kd4 Bf7 5.Ba4 Be8 6.Kd3 Bf7 7.Ke3 Be8 8.Ke2 Kf8 9.Bc2 Kf7 10.Be4 Ke7 11.Kd3 Bf7 12.Kc4 Kd8 13.Kc3 Ke8 14.Bc2 Kd7 15.Bb1 Ke7 16.Kb3 Kd8 17.Bc2 Be8 18.Kc3 Ke7 19.Bd3 Bf7 20.Kb3 Kd7 21.Bc4 Be8 22.Ka4 Bf7 23.Bf1 Kc7 24.Kb3 Kd8 25.Bc4 Kd7 26.Kc3 Kc7 27.Bd3 Kc8 28.Kd4 Kb8 29.Bc2 Ka7 30.Kc4 Be8 31.Kb3 Bf7 32.Bd3 Kb8 33.Bb1 Be8 34.Ka4 Kc8
5. +- (7.05): 1.Ke2 Be8 2.Ke3 Kf7 3.Be4 Ke7 4.Kd4 Bf7 5.Bb1 Be8 6.Kc4 Bf7 7.Kb3 Kd8 8.Bc2 Be8 9.Kc3 Ke7 10.Bd3 Bf7 11.Kb3 Kd7 12.Bc4 Be8 13.Ka4 Bf7 14.Bf1 Kc7 15.Kb3 Kd8 16.Bc4 Kd7 17.Kc3 Kc7 18.Bd3 Kc8 19.Kd4 Kb8 20.Bc2 Ka7 21.Kc4 Be8 22.Kb3 Bf7 23.Be4 Kb8 24.Bd3 Ka8 25.Bf1 Bg8 26.Be2 Kb8 27.Kc2 Kc7 28.Bd3 Bf7 29.Kd2 Kd8 30.Bc2 Ke7 31.Be4 Kf8 32.Ke3 Ke8 33.Bc2 Kd7 34.Kd4 Ke7 35.Ba4

[Guenther]

Hmm may be all moves are winning :

Analysis by Stockfish 120818 64 BMI2:

1. +- (7.05): 1.Be4 Kf7 2.Ke3 Be8 3.Kd4 Ke7 4.Bb1 Bf7 5.Kc4 Kd8 6.Bc2 Kc8 7.Bd3 Kb8 8.Kb3 Ka8 9.Be4 Kb8 10.Kc3 Ka7 11.Bd3 Kb8 12.Kc4 Kc7 13.Kd4 Kd8 14.Be4 Ke7 15.Bb1 Be8 16.Kc4 Bf7 17.Kb3 Kd8 18.Bc2 Be8 19.Kc3 Ke7 20.Bd3 Bf7 21.Bc4 Ke8 22.Bf1 Ke7 23.Kb3 Kd8 24.Ka4 Kc7 25.Be2 Be8 26.Bd3 Kd7 27.Bf1 Kc8 28.Ka5 Kc7 29.Bc4 Bf7 30.Bd3 Be8 31.Be4 Bf7 32.Bc2 Be8 33.Bb3 Bf7 34.Bc4 Bg8
2. +- (7.05): 1.Ke3 Be8 2.Kd2 Bf7 3.Kc3 Kf8 4.Kc4 Ke7 5.Kd4 Be8 6.Bc4 Bf7 7.Kc3 Ke8 8.Kb3 Kd7 9.Bf1 Kd8 10.Ka4 Kc7 11.Bd3 Kc8 12.Ka5 Kc7 13.Bc4 Bg8 14.Ka4 Bf7 15.Bf1 Kb8 16.Kb3 Kc7 17.Bd3 Kd7 18.Bb1 Kd8 19.Bc2 Be8 20.Kc3 Ke7 21.Kd2 Bf7 22.Be4 Kf8 23.Ke3 Ke8 24.Bc2 Kd7 25.Kd4 Ke7 26.Ba4 Be8 27.Kd3 Bf7 28.Ke3 Be8 29.Ke2 Kf8 30.Bc2 Kf7 31.Be4 Ke7 32.Ke3 Kd8 33.Kd4 Bf7 34.Kc3 Ke8 35.Kb3 Ke7 36.Ka4 Kd8
3. +- (7.05): 1.Ke4 Be8 2.Kf3 Kf7 3.Ke3 Ke7 4.Bc2 Kd8 5.Bb1 Ke7 6.Kd2 Bf7 7.Kc2 Ke8 8.Kc3 Kd7 9.Bd3 Ke7 10.Kd4 Be8 11.Bc4 Bf7 12.Ke4 Kd7 13.Kd3 Be8 14.Kc3 Ke7 15.Kd2 Bf7 16.Kc2 Kd8 17.Kc3 Kc7 18.Kb3 Kd7 19.Bf1 Kd8 20.Bd3 Ke8 21.Kc4 Ke7 22.Be4 Kd8 23.Kb3 Kc7 24.Bc2 Kd8 25.Ka4 Kc7 26.Bd3 Kc8 27.Be2 Kc7 28.Kb3 Be8 29.Kc3 Kd7 30.Bd3 Ke7 31.Be4 Kd8 32.Kd4 Bf7 33.Kc4 Be8 34.Kc3 Bf7
4. +- (7.05): 1.Bb1 Kf7 2.Bc2 Be8 3.Ke3 Ke7 4.Kd4 Bf7 5.Ba4 Be8 6.Kd3 Bf7 7.Ke3 Be8 8.Ke2 Kf8 9.Bc2 Kf7 10.Be4 Ke7 11.Kd3 Bf7 12.Kc4 Kd8 13.Kc3 Ke8 14.Bc2 Kd7 15.Bb1 Ke7 16.Kb3 Kd8 17.Bc2 Be8 18.Kc3 Ke7 19.Bd3 Bf7 20.Kb3 Kd7 21.Bc4 Be8 22.Ka4 Bf7 23.Bf1 Kc7 24.Kb3 Kd8 25.Bc4 Kd7 26.Kc3 Kc7 27.Bd3 Kc8 28.Kd4 Kb8 29.Bc2 Ka7 30.Kc4 Be8 31.Kb3 Bf7 32.Bd3 Kb8 33.Bb1 Be8 34.Ka4 Kc8
5. +- (7.05): 1.Ke2 Be8 2.Ke3 Kf7 3.Be4 Ke7 4.Kd4 Bf7 5.Bb1 Be8 6.Kc4 Bf7 7.Kb3 Kd8 8.Bc2 Be8 9.Kc3 Ke7 10.Bd3 Bf7 11.Kb3 Kd7 12.Bc4 Be8 13.Ka4 Bf7 14.Bf1 Kc7 15.Kb3 Kd8 16.Bc4 Kd7 17.Kc3 Kc7 18.Bd3 Kc8 19.Kd4 Kb8 20.Bc2 Ka7 21.Kc4 Be8 22.Kb3 Bf7 23.Be4 Kb8 24.Bd3 Ka8 25.Bf1 Bg8 26.Be2 Kb8 27.Kc2 Kc7 28.Bd3 Bf7 29.Kd2 Kd8 30.Bc2 Ke7 31.Be4 Kf8 32.Ke3 Ke8 33.Bc2 Kd7 34.Kd4 Ke7 35.Ba4

Have you ever looked at your output? Do you know the meaning of zero progress?

BTW how did you manage to lose nearly all info in your already useless output? (depth/times/nodes)

[zullil]

Stockfish solves this old position it was clueless about before! and without Tablebases

[d]8/1p1b2k1/p1p1p1p1/2P1P2p/1P3P1P/P2B1K2/8/8 w - -

Yes, this one seems almost trivial now, Cfish-dev "solves" it in 3 millisecs!

info depth 6 seldepth 6 multipv 1 score cp 201 nodes 12043 nps 4014333 tbhits 0 time 3 pv f3e3 g7f7 e3d4 d7e8 d4c4 e8d7

Or, more convincingly:

info depth 54 seldepth 82 multipv 1 score cp 1279 nodes 7510571859 nps 63854004 hashfull 429 tbhits 0 time 117621 pv f3e3 d7e8 e3d4 g7f7 d4c3 f7e7 c3b3 e7d7 b3a4 e8f7 a4a5 d7c7 a3a4 f7e8 d3c4 e8d7 c4f1 d7e8 f1d3 e8f7 b4b5 a6b5 a4b5 c6b5 d3b5 f7g8 b5e8 g8h7 a5b5 c7d8 e8f7 d8d7 b5b6 d7e7 b6b7 g6g5 f4g5 h7e4 c5c6 e7f7 b7c7 f7e8 c7b6 e8e7 g5g6 e4g6 c6c7 e7d7 b6b7 g6e4 b7b8 d7c6 c7c8q c6d5 c8c7 d5d4 b8a7 e4d5 c7g7 d5e4 a7b6 e4f5 g7c7 f5g4 c7d6 d4e4 b6c5 g4f5 d6d7 f5g4 d7d4 e4f3 d4d3 f3f2 c5d4 g4e2 d3d2

Progress!