Test Position: Rook Sac from WCRCC 2013

[Spliffjiffer]

imo its not possible to put Louis' line in question..from my pov black is hopelessly lost (manual investigation time 1/2 to 3/4 hours).
mary christmas to everybody

[Robert Flesher]

missed his lines, looking now

[Robert Flesher]

Wow! This is an amazing game, and from this position, appears black is lost. Stunning!

[d] 2r2b2/5Q2/1pq1p1p1/3k4/1Pp5/7P/P5P1/4R2K w - - 0 36

New game Line
2r2b2/5Q2/1pq1p1p1/3k4/1Pp5/7P/P5P1/4R2K w - - 0 1

Analysis by Lc0 v0.23.0+git.02fc8e0 60 series strong:

36.Rd1+ Ke5 37.Qxg6 Qe4 38.Qg5+ Qf5 39.Qh4 Qf4 40.Re1+ Kf5 41.Qh7+ Kg5 42.Qg8+ Kh5 43.Qxe6 Bd6 44.Qd5+ Kh6 45.Re6+ Kg7 46.Rxd6 Qf1+ 47.Kh2 Qf4+ 48.Kg1 Qc1+ 49.Kh2 Qf4+ 50.g3 Qf2+ 51.Qg2 Qxg2+ 52.Kxg2 c3 53.Rd1 Ra8 54.Rc1 Rxa2+ 55.Kf3 c2 56.Ke4 Rb2 57.Kd3 Rxb4 58.Rxc2 Kf6 59.Ke3 Kf5 60.Rc3 Rb1 61.Kf3 b5 62.Rc5+ Ke6 63.h4 b4 64.Rb5 b3 65.Kg4 b2 66.h5 Kf6 67.Rb6+ Kg7 68.Kg5 Rg1
White is clearly better: +- (1.99) Depth: 40/75 00:10:27 7149kN
(, 24.12.2019)

[Robert Flesher]

I suppose this if the critical position. c4!

144: New game Line
2r2b2/5Q2/1pq1p1p1/1p1k4/1P6/2P4P/P5P1/4R2K w - - 0 1

Analysis by Lc0 v0.23.1+git.6837b83 Leelanstein 11.1:

35.c4+ bxc4 36.Rd1+ Ke5 37.Qxg6 Qe4 38.Qg5+ Qf5 39.Qh4 Qf4 40.Re1+ Kf5 41.Qh7+ Kg5 42.Qg8+ Kh5 43.Qxe6 Bd6 44.Qd5+ Kh6 45.Re6+ Kg7 46.Rxd6 Qc1+ 47.Kh2 Qf4+ 48.g3 Qf2+ 49.Qg2 Qxg2+ 50.Kxg2 c3 51.Rd1 Ra8 52.Rc1 Rxa2+ 53.Kf3 c2 54.Ke4 Rb2 55.Kd3 Rxb4 56.Rxc2 Kg6 57.Rc8 Kf5 58.Rg8 Rb3+ 59.Kc4 Rb1 60.h4 b5+ 61.Kc5 b4 62.Kc4 Ke6 63.h5 Kf7 64.Rg5 Ke6 65.g4 Kf6 66.Rg8 Kf7 67.Rg6 Rb2 68.Kb5 Rb1 69.Ka4 Rb2 70.Rg5 Kf6 71.Rg8 Kf7 72.Rg6 Rb1 73.Rg5 Kf6
White is clearly better: +- (1.61) Depth: 53/97 01:15:41 97903kN




[d] 2r2b2/5Q2/1pq1p1p1/1p1k4/1P6/2P4P/P5P1/4R2K w - - 0 35

[MikeB]

I suppose this if the critical position. c4!

144: New game Line
2r2b2/5Q2/1pq1p1p1/1p1k4/1P6/2P4P/P5P1/4R2K w - - 0 1

Analysis by Lc0 v0.23.1+git.6837b83 Leelanstein 11.1:

35.c4+ bxc4 36.Rd1+ Ke5 37.Qxg6 Qe4 38.Qg5+ Qf5 39.Qh4 Qf4 40.Re1+ Kf5 41.Qh7+ Kg5 42.Qg8+ Kh5 43.Qxe6 Bd6 44.Qd5+ Kh6 45.Re6+ Kg7 46.Rxd6 Qc1+ 47.Kh2 Qf4+ 48.g3 Qf2+ 49.Qg2 Qxg2+ 50.Kxg2 c3 51.Rd1 Ra8 52.Rc1 Rxa2+ 53.Kf3 c2 54.Ke4 Rb2 55.Kd3 Rxb4 56.Rxc2 Kg6 57.Rc8 Kf5 58.Rg8 Rb3+ 59.Kc4 Rb1 60.h4 b5+ 61.Kc5 b4 62.Kc4 Ke6 63.h5 Kf7 64.Rg5 Ke6 65.g4 Kf6 66.Rg8 Kf7 67.Rg6 Rb2 68.Kb5 Rb1 69.Ka4 Rb2 70.Rg5 Kf6 71.Rg8 Kf7 72.Rg6 Rb1 73.Rg5 Kf6
White is clearly better: +- (1.61) Depth: 53/97 01:15:41 97903kN




[d] 2r2b2/5Q2/1pq1p1p1/1p1k4/1P6/2P4P/P5P1/4R2K w - - 0 35

Honey agrees - just over two minutes on my machine, ymmv

Code: Select all

info depth 51 seldepth 103 multipv 1 score cp 223 nodes 14664576352 nps 101875539 hashfull 728 tbhits 0 time 143946 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c3c2 d1c1 g7f6 g2f3 f6e5 f3e3 c8c3 e3d2 c3g3 c1h1 b6b5 d2c2 g3g2 c2b3 g2g3 b3b2 g3g2 b2a1 g2g5 h3h4 g5h5 a2a3 e5d6 a1b2 d6d5 h1h2 d5c6 b2c3 c6d7 h2h1 d7e6 c3d4 e6f6 d4d3 f6f5 d3e3 f5g6 e3e4 g6g7 e4d3 g7f6 d3e2 f6g7 h1g1 g7f8 g1g5 h5h4 g5b5 h4h2 e2d3 h2h3 d3c4 h3a3 b5c5 a3a8
bestmove c3c4 ponder b5c4

[zullil]

I suppose this if the critical position. c4!

144: New game Line
2r2b2/5Q2/1pq1p1p1/1p1k4/1P6/2P4P/P5P1/4R2K w - - 0 1

Analysis by Lc0 v0.23.1+git.6837b83 Leelanstein 11.1:

35.c4+ bxc4 36.Rd1+ Ke5 37.Qxg6 Qe4 38.Qg5+ Qf5 39.Qh4 Qf4 40.Re1+ Kf5 41.Qh7+ Kg5 42.Qg8+ Kh5 43.Qxe6 Bd6 44.Qd5+ Kh6 45.Re6+ Kg7 46.Rxd6 Qc1+ 47.Kh2 Qf4+ 48.g3 Qf2+ 49.Qg2 Qxg2+ 50.Kxg2 c3 51.Rd1 Ra8 52.Rc1 Rxa2+ 53.Kf3 c2 54.Ke4 Rb2 55.Kd3 Rxb4 56.Rxc2 Kg6 57.Rc8 Kf5 58.Rg8 Rb3+ 59.Kc4 Rb1 60.h4 b5+ 61.Kc5 b4 62.Kc4 Ke6 63.h5 Kf7 64.Rg5 Ke6 65.g4 Kf6 66.Rg8 Kf7 67.Rg6 Rb2 68.Kb5 Rb1 69.Ka4 Rb2 70.Rg5 Kf6 71.Rg8 Kf7 72.Rg6 Rb1 73.Rg5 Kf6
White is clearly better: +- (1.61) Depth: 53/97 01:15:41 97903kN

[d] 2r2b2/5Q2/1pq1p1p1/1p1k4/1P6/2P4P/P5P1/4R2K w - - 0 35

Stockfish (with an already full hash table ):

+11.24 11. c4+ bxc4 12. Rd1+ Ke5 13. Qxg6 Qe4 14. Qg5+ Qf5 15. Qh4 Qe4 16. Re1 Qxe1+ 17. Qxe1+ Kd5 18. Qd2+ Kc6 19. a4 Bd6 20. Qd4 Kd7 21. Qc3 e5 22. h4 Rf8 23. Kg1 Rc8 24. h5 Be7 25. Kh1 Rc6 26. b5 Re6 27. Kg1 Bc5+ 28. Kf1 Rf6+ 29. Ke1 Kd6 30. h6 Rf4 31. h7 Re4+ 32. Kd1 Rh4 33. Qg3 Rh1+ 34. Ke2 Bd4 35. Qg7 Rh2 36. h8=Q Rxh8 37. Qxh8 c3 38. Qh6+ Ke7 39. g4 Kf7 40. g5 c2 41. Qh7+ Kf8 42. Qh8+ Kf7 (depth 41, 0:02:31)

[zullil]

Honey agrees - just over two minutes on my machine, ymmv

Code: Select all

info depth 51 seldepth 103 multipv 1 score cp 223 nodes 14664576352 nps 101875539 hashfull 728 tbhits 0 time 143946 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c3c2 d1c1 g7f6 g2f3 f6e5 f3e3 c8c3 e3d2 c3g3 c1h1 b6b5 d2c2 g3g2 c2b3 g2g3 b3b2 g3g2 b2a1 g2g5 h3h4 g5h5 a2a3 e5d6 a1b2 d6d5 h1h2 d5c6 b2c3 c6d7 h2h1 d7e6 c3d4 e6f6 d4d3 f6f5 d3e3 f5g6 e3e4 g6g7 e4d3 g7f6 d3e2 f6g7 h1g1 g7f8 g1g5 h5h4 g5b5 h4h2 e2d3 h2h3 d3c4 h3a3 b5c5 a3a8
bestmove c3c4 ponder b5c4

That seems slow. I'm assuming Honey had e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 much sooner. Here's Stockfish-dev:

info depth 40 seldepth 102 multipv 1 score cp 243 nodes 1701298771 nps 56945333 hashfull 204 tbhits 0 time 29876 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 d1d7 g7f6 d7c7 a8a3 h3h4 f6e5 g2h3 e5d4 h4h5 d4d3 h5h6 c3c2 g3g4 a3c3 c7c3 d3c3 h6h7 c3b4 h7h8q c2c1q h8d4 b4a5 d4e5 c1c5 e5f5 a5a4 f5f4 a4a5 g4g5 b6b5 f4d2 a5a6 h3g4 c5c8 g4h4 c8e6 d2g2 e6e1 h4h5 e1e5 g2c6 a6a5 h5g4 e5e2 g4f5 e2f1 f5e6

[MikeB]

Honey agrees - just over two minutes on my machine, ymmv

Code: Select all

info depth 51 seldepth 103 multipv 1 score cp 223 nodes 14664576352 nps 101875539 hashfull 728 tbhits 0 time 143946 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c3c2 d1c1 g7f6 g2f3 f6e5 f3e3 c8c3 e3d2 c3g3 c1h1 b6b5 d2c2 g3g2 c2b3 g2g3 b3b2 g3g2 b2a1 g2g5 h3h4 g5h5 a2a3 e5d6 a1b2 d6d5 h1h2 d5c6 b2c3 c6d7 h2h1 d7e6 c3d4 e6f6 d4d3 f6f5 d3e3 f5g6 e3e4 g6g7 e4d3 g7f6 d3e2 f6g7 h1g1 g7f8 g1g5 h5h4 g5b5 h4h2 e2d3 h2h3 d3c4 h3a3 b5c5 a3a8
bestmove c3c4 ponder b5c4

That seems slow. I'm assuming Honey had e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 much sooner. Here's Stockfish-dev:

info depth 40 seldepth 102 multipv 1 score cp 243 nodes 1701298771 nps 56945333 hashfull 204 tbhits 0 time 29876 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 d1d7 g7f6 d7c7 a8a3 h3h4 f6e5 g2h3 e5d4 h4h5 d4d3 h5h6 c3c2 g3g4 a3c3 c7c3 d3c3 h6h7 c3b4 h7h8q c2c1q h8d4 b4a5 d4e5 c1c5 e5f5 a5a4 f5f4 a4a5 g4g5 b6b5 f4d2 a5a6 h3g4 c5c8 g4h4 c8e6 d2g2 e6e1 h4h5 e1e5 g2c6 a6a5 h5g4 e5e2 g4f5 e2f1 f5e6

That was slow , later it was consistently about 30 seconds.

[MikeB]

Honey agrees - just over two minutes on my machine, ymmv

Code: Select all

info depth 51 seldepth 103 multipv 1 score cp 223 nodes 14664576352 nps 101875539 hashfull 728 tbhits 0 time 143946 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c3c2 d1c1 g7f6 g2f3 f6e5 f3e3 c8c3 e3d2 c3g3 c1h1 b6b5 d2c2 g3g2 c2b3 g2g3 b3b2 g3g2 b2a1 g2g5 h3h4 g5h5 a2a3 e5d6 a1b2 d6d5 h1h2 d5c6 b2c3 c6d7 h2h1 d7e6 c3d4 e6f6 d4d3 f6f5 d3e3 f5g6 e3e4 g6g7 e4d3 g7f6 d3e2 f6g7 h1g1 g7f8 g1g5 h5h4 g5b5 h4h2 e2d3 h2h3 d3c4 h3a3 b5c5 a3a8
bestmove c3c4 ponder b5c4

That seems slow. I'm assuming Honey had e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 much sooner. Here's Stockfish-dev:

info depth 40 seldepth 102 multipv 1 score cp 243 nodes 1701298771 nps 56945333 hashfull 204 tbhits 0 time 29876 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 d1d7 g7f6 d7c7 a8a3 h3h4 f6e5 g2h3 e5d4 h4h5 d4d3 h5h6 c3c2 g3g4 a3c3 c7c3 d3c3 h6h7 c3b4 h7h8q c2c1q h8d4 b4a5 d4e5 c1c5 e5f5 a5a4 f5f4 a4a5 g4g5 b6b5 f4d2 a5a6 h3g4 c5c8 g4h4 c8e6 d2g2 e6e1 h4h5 e1e5 g2c6 a6a5 h5g4 e5e2 g4f5 e2f1 f5e6

That was slow , later it was consistently about 30 seconds.

Here is the true functional Stockfish with HUGE PAGES (Linux) - about the same as LARGE PAGES fo Windows
https://www.kernel.org/doc/Documentatio ... lbpage.txt

Code: Select all

info depth 39 seldepth 82 multipv 1 score cp 144 nodes 1060657652 nps 132301066 hashfull 804 tbhits 0 time 8017 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 g2f3 a8a2 d1d7 g7f6 d7c7 a2a3 f3f4 a3b3 c7c6 f6f7 f4f5 c3c2 c6c7 f7f8 g3g4 b3h3 c7c2 h3b3 c2c8 f8f7 c8c7 f7e8 f5e6 e8f8 e6f6 b3f3 f6e5 f3b3 c7c4 b6b5 c4f4 f8e7 f4e4 e7f7 e5d6 b3c3 e4e5 f7f6 e5b5

Here is Honey with HUGE PAGES , wih a clean start, it's was under one second ( lucky run), but you also see what a game changer is using HUGE PAGES on Linux - same position now 30% faster

Code: Select all

michaelb7@Threadripper-32:~/Github/stockfish/src$ Honey-dev-122619 
Honey 122619 by M. Byrne and scores of others...
s hash 4096
Confirmation: hash set to 4096
s threads 64
Confirmation: threads set to 64
p f 2r2b2/5Q2/1pq1p1p1/1p1k4/1P6/2P4P/P5P1/4R2K w - - 0 1
g i
info depth 1 seldepth 1 multipv 1 score cp 215 nodes 3498 nps 699600 tbhits 0 time 5 pv f7g6
info depth 2 seldepth 2 multipv 1 score cp 346 nodes 8170 nps 1634000 tbhits 0 time 5 pv f7g6 d5d6 e1e6 d6d7 e6c6
info depth 3 seldepth 4 multipv 1 score cp 540 nodes 21294 nps 3549000 tbhits 0 time 6 pv f7f6 d5d6 e1e6 d6d7 f6f7 d7d8 f7f8 d8c7 e6c6 c7c6
info depth 4 seldepth 6 multipv 1 score cp 540 nodes 25238 nps 4206333 tbhits 0 time 6 pv f7f6 d5d6 e1e6 d6d7 f6f7 d7d8
info depth 5 seldepth 5 multipv 1 score cp 322 nodes 42958 nps 7159666 tbhits 0 time 6 pv f7f6 f8c5 b4c5 b6c5 f6g6 d5c4 e1e6
info depth 6 seldepth 6 multipv 1 score cp 322 nodes 49807 nps 8301166 tbhits 0 time 6 pv f7f6 f8c5 b4c5 b6c5 f6g6 d5c4
info depth 7 seldepth 14 multipv 1 score cp 47 nodes 277917 nps 30879666 tbhits 0 time 9 pv e1d1 d5e5 d1e1 e5d5 h1g1 c6e8 f7b7 d5c4 b7f3 e8d7 e1d1
info depth 8 seldepth 13 multipv 1 score cp 15 nodes 438430 nps 36535833 tbhits 0 time 12 pv e1d1 d5e5 f7g6 c6c3 g6g5 e5e4 g5b5
info depth 9 seldepth 22 multipv 1 score cp 104 nodes 537249 nps 41326846 tbhits 0 time 13 pv e1d1 d5e5 d1e1 e5d5 f7g6 c6e8 g6g4 d5d6
info depth 10 seldepth 24 multipv 1 score cp 101 nodes 1202616 nps 63295578 tbhits 0 time 19 pv e1d1 d5e5 f7g6 c6c3 g6g5 e5e4 g5b5 e4f4 b5e2 c3e3 d1f1 f4e4
info depth 11 seldepth 32 multipv 1 score cp 81 nodes 2277707 nps 81346678 tbhits 0 time 28 pv e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5f6 h1g1 f8b4 c3b4 c8c1 e1c1 f4c1 g1h2 c1f4 g2g3 f4b4
info depth 12 seldepth 27 multipv 1 score cp 71 nodes 2826882 nps 85663090 tbhits 0 time 33 pv e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5f6 h1g1 f8b4 c3b4 c8c1
info depth 13 seldepth 33 multipv 1 score cp 80 nodes 3158801 nps 87744472 tbhits 0 time 36 pv e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5f6 h1g1 f4g3 e1f1 f6e5 f1f8 g3e3 f8f2
info depth 14 seldepth 23 multipv 1 score cp 86 nodes 3263632 nps 90656444 tbhits 0 time 36 pv e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5f6 h1g1 f8b4 c3b4 c8c1 h7h8 f6f7 h8h5 f7e7 h5e2 f4c4 g1h2
info depth 15 seldepth 37 multipv 1 score cp 0 nodes 6471945 nps 102729285 tbhits 0 time 63 pv e1d1 d5e5 d1e1 e5d5 e1d1
info depth 16 seldepth 31 multipv 1 score cp 0 nodes 7713156 nps 105659671 tbhits 0 time 73 pv e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 e1d1 d5e5 f7g6 f8b4 g6g5 e5e4 g5h4 e4e3 h4g3 e3e2 g3g4 e2e3
info depth 17 seldepth 27 multipv 1 score cp 0 nodes 10620960 nps 110635000 tbhits 0 time 96 pv e1d1 d5e5 d1e1 e5d5 e1d1
info depth 18 seldepth 38 multipv 1 score cp 0 nodes 12026660 nps 111357962 tbhits 0 time 108 pv e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 e1d1 d5e5 f7g6 f8b4 a2a3 b4c5 g6g7 e5e4 g7g3 c6a4 g3g6 e4e5 g6g5 e5e4 g5g4
info depth 19 seldepth 25 multipv 1 score cp 0 nodes 12719860 nps 112565132 tbhits 0 time 113 pv e1d1 d5e5 f7h7 c6c3 h7g6 f8b4 g6g5 e5e4 g5h4 e4e5 h4h5
info depth 20 seldepth 51 multipv 1 score cp 48 nodes 15153815 nps 113938458 tbhits 0 time 133 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 d1c1 a8a2 g2f3 c3c2 f3e4 a2a3 g3g4 a3h3 c1c2 g7f6 c2c6 f6g5 c6b6
info depth 21 seldepth 51 multipv 1 score cp 55 nodes 16784447 nps 115754806 tbhits 0 time 145 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 d1c1 a8a2 g2f3 c3c2 f3e4 a2a3 c1c2 a3g3 e4d5 g3h3 d5c6 h3h4 c6b5 g7f6 c2c6 f6e5
info depth 22 seldepth 53 multipv 1 score cp 63 nodes 22229689 nps 118243026 tbhits 0 time 188 pv e1d1 d5e5 f7g6 c6c3 g6g5 e5e4 a2a3 c8c4 g5g6 e4e5 g6h5 e5e4 h5h7 e4e3 h7f7 c4f4 f7e6 e3f2 e6b6 f2e2 d1g1 f8g7 b6b5 e2e3 b5b6 g7d4 b6h6 d4e5 b4b5 e3e2 h6h5 e2f2 g1d1
info depth 23 seldepth 55 multipv 1 score cp 62 nodes 54632948 nps 124165790 tbhits 0 time 440 pv e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 g7f6 g2f3 f6e5 f3e2 e5e4 a2a4 c8g8 g3g4 g8a8 d1c1
info depth 24 seldepth 65 multipv 1 score cp 79 nodes 71726336 nps 125395692 tbhits 0 time 572 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 g7f6 g2f3 c3c2 d1c1 f6e5 f3e2 c8c3 g3g4 c3h3 c1c2 h3g3 c2c6 g3g4 c6b6 g4g2 e2d3 g2a2 d3c4 a2c2 c4b3 c2c1 b6h6 e5d5 b4b5 c1b1 b3a4 d5c5 h6c6 c5d5 a4a5
info depth 25 seldepth 74 multipv 1 score cp 88 nodes 85998305 nps 126468095 tbhits 0 time 680 pv e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c3c2 d1c1 g7f6 g2f3 f6e5 f3e2 c8c3 g3g4 c3h3 c1c2 h3g3 c2c6 g3g4 c6b6 g4g2 e2d3 g2a2 d3c4 a2c2 c4b3 c2c1 b6h6 e5d4 b4b5 c1b1 b3a4 b1a1 a4b4 a1b1 b4a5 b1b2
info depth 26 seldepth 68 multipv 1 score cp 93 nodes 90336292 nps 126698866 tbhits 0 time 713 pv e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 g7f6 g2f3 f6e5 f3e2 c3c2 d1c1 e5d4 e2d2 c8c3 g3g4 c3h3 c1g1 h3h2 d2c1 d4e3 g4g5 e3f2 g1g4 f2f3 g4c4 h2g2 a2a4 f3e3 c4c6 e3d4 g5g6 d4d3 c1b2 g2g1 c6c2 g1g6
info depth 27 seldepth 63 multipv 1 score cp 93 nodes 92197602 nps 126819259 tbhits 0 time 727 pv e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 g7f6 g2f3 f6e5 f3e2 e5e4 d1f1 e4d4 f1f4 d4d5 e2d1 c8a8 g3g4 a8a2 g4g5 d5e6 h3h4 a2g2 f4c4 e6d5 c4c3 g2h2 b4b5
info depth 28 seldepth 73 multipv 1 score cp 99 nodes 115148517 nps 127800795 tbhits 0 time 901 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c3c2 d1c1 g7f6 g2f3 f6e5 f3e2 c8c3 g3g4 c3h3 c1c2 h3g3 c2c6 g3g4 c6b6 g4g2 e2d3 g2a2 d3c4 a2c2 c4b3 c2c1 b6h6 e5d5 b4b5 c1b1 b3a4 d5c5 h6c6 c5d5 a4a5
info depth 29 seldepth 71 multipv 1 score cp 103 nodes 127970188 nps 128226641 tbhits 0 time 998 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 g7f6 g2f3 f6e5 f3e2 c3c2 d1c1 c8c3 g3g4 c3h3 c1c2 h3g3 c2c6 g3g4 c6b6 g4g2 e2d3 g2a2 d3c4 a2c2 c4b3 c2c1 b6h6 e5d5 b4b5 c1c5 b3b4 c5c1 b4a5 c1b1 h6c6 b1g1 c6c2 g1a1 a5b6 a1b1 b6a6 b1a1 a6b7
info depth 30 seldepth 76 multipv 1 score cp 101 nodes 172364515 nps 129015355 hashfull 249 tbhits 0 time 1336 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 d1d7 g7g6 g2f3 c3c2 d7c7 a8a2 f3g4 g6f6 g4f4 a2b2 c7c6 f6g7 f4g5 b2b3 c6c7 g7f8 g3g4 b3h3 c7c2 h3b3 c2c8 f8f7 c8c7 f7f8 g5f6 b3f3 f6g6 f3f4
info depth 31 seldepth 62 multipv 1 score cp 99 nodes 188776136 nps 129210223 hashfull 261 tbhits 0 time 1461 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 d1d7 g7f6 d7c7 a8a2 g2f3 c3c2 f3f4 a2b2 c7c6 f6f7 f4f5 b2b3 c6c2 b3g3 c2c7 f7f8 h3h4 g3f3 f5g4 f3b3
info depth 32 seldepth 77 multipv 1 score cp 93 nodes 257034544 nps 130540652 hashfull 346 tbhits 0 time 1969 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 d1d7 g7f6 d7c7 a8a2 g2f3 c3c2 f3f4 a2b2 c7c6 f6e7 f4f5 b2b3 g3g4 b3h3 c6c7 e7d6 c7c2 h3f3 f5g5 f3b3 c2c4 d6e5 c4f4 b3b1 f4f5 e5e4 f5b5 e4f3 b5b6 b1b2 g5f5 f3g3
info depth 33 seldepth 71 multipv 1 score cp 104 nodes 269765744 nps 130637164 hashfull 365 tbhits 0 time 2065 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 g2f3 c3c2 d1d7 g7h6 d7d6 h6g7 d6c6 a8a2 f3f4 a2b2 f4g5 b2b3 c6c7 g7f8 g3g4 b3h3 c7c2 h3b3 g5f6 b3f3 f6e5 f3b3
info depth 34 seldepth 75 multipv 1 score cp 106 nodes 326120175 nps 131553116 hashfull 414 tbhits 0 time 2479 pv e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c3c2 d1c1 g7f6 g2f3 f6e5 f3e2 c8c3 g3g4 c3h3 c1c2 h3g3 c2c6 g3g4 c6b6 g4g2 e2d3 g2a2 d3c4 a2c2 c4b3 c2g2 b6c6 e5d5 b4b5 g2g4 c6c8 g4e4 b3c3 e4e1 c3b4 e1e4 b4a5
info depth 35 currmove e1c1 currmovenumber 4
info depth 35 currmove e1e4 currmovenumber 5
info depth 35 currmove a2a3 currmovenumber 6
info depth 35 currmove e1e2 currmovenumber 7
info depth 35 currmove e1e5 currmovenumber 8
info depth 35 currmove a2a4 currmovenumber 9
info depth 35 currmove e1e3 currmovenumber 10
info depth 35 currmove h3h4 currmovenumber 11
info depth 35 currmove e1f1 currmovenumber 12
info depth 35 currmove f7f4 currmovenumber 13
info depth 35 currmove g2g3 currmovenumber 14
info depth 35 currmove h1h2 currmovenumber 15
info depth 35 currmove f7f5 currmovenumber 16
info depth 35 currmove f7d7 currmovenumber 17
info depth 35 currmove f7h7 currmovenumber 18
info depth 35 currmove g2g4 currmovenumber 19
info depth 35 currmove h1g1 currmovenumber 20
info depth 35 currmove e1b1 currmovenumber 21
info depth 35 currmove f7e8 currmovenumber 22
info depth 35 currmove f7c7 currmovenumber 23
info depth 35 currmove e1g1 currmovenumber 24
info depth 35 currmove e1a1 currmovenumber 25
info depth 35 currmove f7a7 currmovenumber 26
info depth 35 currmove f7f3 currmovenumber 27
info depth 35 currmove f7f2 currmovenumber 28
info depth 35 currmove f7b7 currmovenumber 29
info depth 35 currmove f7f6 currmovenumber 30
info depth 35 currmove f7g8 currmovenumber 31
info depth 35 currmove f7g7 currmovenumber 32
info depth 35 currmove f7f1 currmovenumber 33
info depth 35 currmove f7e7 currmovenumber 34
info depth 35 currmove f7f8 currmovenumber 35
info depth 35 currmove e1e6 currmovenumber 36
info depth 35 currmove f7e6 currmovenumber 37
info depth 35 seldepth 71 multipv 1 score cp 113 nodes 417087228 nps 132492766 hashfull 503 tbhits 0 time 3148 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 g2f3 a8a2 d1d7 g7f6 d7c7 a2a3 f3f4 a3b3 c7c6 f6e7 b4b5 b3b4 f4f3 b4b5 c6c3 b5b1 h3h4 b6b5 h4h5 b5b4 c3c6 b1h1 f3g4
info depth 36 currmove c3c4 currmovenumber 1
info depth 36 currmove f7g6 currmovenumber 2
info depth 36 currmove e1d1 currmovenumber 3
info depth 36 currmove f7a7 currmovenumber 4
info depth 36 currmove e1b1 currmovenumber 5
info depth 36 currmove e1c1 currmovenumber 6
info depth 36 currmove g2g3 currmovenumber 7
info depth 36 currmove f7b7 currmovenumber 8
info depth 36 currmove h1h2 currmovenumber 9
info depth 36 currmove f7d7 currmovenumber 10
info depth 36 currmove a2a4 currmovenumber 11
info depth 36 currmove e1e5 currmovenumber 12
info depth 36 currmove e1a1 currmovenumber 13
info depth 36 currmove f7g7 currmovenumber 14
info depth 36 currmove f7h7 currmovenumber 15
info depth 36 currmove e1e2 currmovenumber 16
info depth 36 currmove e1e3 currmovenumber 17
info depth 36 currmove f7f5 currmovenumber 18
info depth 36 currmove e1f1 currmovenumber 19
info depth 36 currmove g2g4 currmovenumber 20
info depth 36 currmove e1e4 currmovenumber 21
info depth 36 currmove f7f4 currmovenumber 22
info depth 36 currmove f7c7 currmovenumber 23
info depth 36 currmove h1g1 currmovenumber 24
info depth 36 currmove f7f6 currmovenumber 25
info depth 36 currmove a2a3 currmovenumber 26
info depth 36 currmove f7e8 currmovenumber 27
info depth 36 currmove f7f3 currmovenumber 28
info depth 36 currmove h3h4 currmovenumber 29
info depth 36 currmove f7e7 currmovenumber 30
info depth 36 currmove f7g8 currmovenumber 31
info depth 36 currmove e1g1 currmovenumber 32
info depth 36 currmove f7f2 currmovenumber 33
info depth 36 currmove f7f1 currmovenumber 34
info depth 36 currmove f7f8 currmovenumber 35
info depth 36 currmove e1e6 currmovenumber 36
info depth 36 currmove f7e6 currmovenumber 37
info depth 36 seldepth 78 multipv 1 score cp 121 nodes 539566130 nps 132636708 hashfull 597 tbhits 0 time 4068 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 g7f6 g2f3 f6e5 f3e2 e5e4 d1f1 c8a8 f1f4 e4e5 a2a4 a8a4 e2d3 a4a2 f4h4 a2g2 d3c3 g2g3 c3c4 g3g6 h4h8 g6d6 h3h4 e5f5 h4h5 f5g5 h5h6 g5g6 c4b5 d6d4 h8b8 g6h6 b8b6 h6h5 b5c5
info depth 37 currmove c3c4 currmovenumber 1
info depth 37 currmove f7g6 currmovenumber 2
info depth 37 currmove e1d1 currmovenumber 3
info depth 37 currmove f7f4 currmovenumber 4
info depth 37 currmove h1g1 currmovenumber 5
info depth 37 currmove e1e3 currmovenumber 6
info depth 37 currmove f7h7 currmovenumber 7
info depth 37 currmove e1c1 currmovenumber 8
info depth 37 currmove h3h4 currmovenumber 9
info depth 37 currmove e1e5 currmovenumber 10
info depth 37 currmove f7g7 currmovenumber 11
info depth 37 currmove h1h2 currmovenumber 12
info depth 37 currmove a2a4 currmovenumber 13
info depth 37 currmove f7f5 currmovenumber 14
info depth 37 currmove f7f6 currmovenumber 15
info depth 37 currmove a2a3 currmovenumber 16
info depth 37 currmove f7f2 currmovenumber 17
info depth 37 currmove g2g4 currmovenumber 18
info depth 37 currmove f7b7 currmovenumber 19
info depth 37 currmove g2g3 currmovenumber 20
info depth 37 currmove f7e8 currmovenumber 21
info depth 37 currmove e1e4 currmovenumber 22
info depth 37 currmove f7e7 currmovenumber 23
info depth 37 currmove f7d7 currmovenumber 24
info depth 37 currmove f7f3 currmovenumber 25
info depth 37 currmove e1e2 currmovenumber 26
info depth 37 currmove e1a1 currmovenumber 27
info depth 37 currmove f7c7 currmovenumber 28
info depth 37 currmove e1f1 currmovenumber 29
info depth 37 currmove f7f1 currmovenumber 30
info depth 37 currmove f7a7 currmovenumber 31
info depth 37 currmove e1b1 currmovenumber 32
info depth 37 currmove e1g1 currmovenumber 33
info depth 37 currmove f7g8 currmovenumber 34
info depth 37 currmove f7f8 currmovenumber 35
info depth 37 currmove e1e6 currmovenumber 36
info depth 37 currmove f7e6 currmovenumber 37
info depth 37 seldepth 85 multipv 1 score cp 113 upperbound nodes 675682866 nps 133244501 hashfull 711 tbhits 0 time 5071 pv c3c4 b5c4
info depth 37 currmove c3c4 currmovenumber 1
info depth 37 seldepth 85 multipv 1 score cp 121 lowerbound nodes 802003423 nps 133533703 hashfull 760 tbhits 0 time 6006 pv c3c4
info depth 36 currmove c3c4 currmovenumber 1
info depth 37 seldepth 85 multipv 1 score cp 132 lowerbound nodes 824899273 nps 133543673 hashfull 776 tbhits 0 time 6177 pv c3c4
info depth 35 currmove c3c4 currmovenumber 1
info depth 35 currmove f7g6 currmovenumber 2
info depth 35 currmove e1d1 currmovenumber 3
info depth 35 currmove f7d7 currmovenumber 4
info depth 35 currmove g2g4 currmovenumber 5
info depth 35 currmove h3h4 currmovenumber 6
info depth 35 currmove f7b7 currmovenumber 7
info depth 35 currmove f7c7 currmovenumber 8
info depth 35 currmove e1g1 currmovenumber 9
info depth 35 currmove h1g1 currmovenumber 10
info depth 35 currmove e1e5 currmovenumber 11
info depth 35 currmove f7f3 currmovenumber 12
info depth 35 currmove f7f4 currmovenumber 13
info depth 35 currmove f7a7 currmovenumber 14
info depth 35 currmove e1e3 currmovenumber 15
info depth 35 currmove e1e2 currmovenumber 16
info depth 35 currmove e1c1 currmovenumber 17
info depth 35 currmove e1b1 currmovenumber 18
info depth 35 currmove a2a4 currmovenumber 19
info depth 35 currmove f7g7 currmovenumber 20
info depth 35 currmove e1f1 currmovenumber 21
info depth 35 currmove e1e4 currmovenumber 22
info depth 35 currmove h1h2 currmovenumber 23
info depth 35 currmove f7h7 currmovenumber 24
info depth 35 currmove f7e8 currmovenumber 25
info depth 35 currmove g2g3 currmovenumber 26
info depth 35 currmove f7f2 currmovenumber 27
info depth 35 currmove f7f5 currmovenumber 28
info depth 35 currmove e1a1 currmovenumber 29
info depth 35 currmove a2a3 currmovenumber 30
info depth 35 currmove f7g8 currmovenumber 31
info depth 35 currmove f7f6 currmovenumber 32
info depth 35 currmove f7e7 currmovenumber 33
info depth 35 currmove f7f1 currmovenumber 34
info depth 35 currmove f7f8 currmovenumber 35
info depth 35 currmove f7e6 currmovenumber 36
info depth 35 currmove e1e6 currmovenumber 37
info depth 37 seldepth 85 multipv 1 score cp 119 nodes 841513659 nps 133510020 hashfull 786 tbhits 0 time 6303 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c3c2 d1c1 g7f6 g2f3 f6e5 f3e2 c8c3 g3g4 c3h3 c1c2 h3g3 c2c6 g3g4 c6b6 g4g2 e2d3 g2a2 d3c4 a2c2 c4b3 c2d2 b6c6 e5d5 b4b5 d2d1 b3b4 d1a1 c6g6 a1a2 b4b3 a2h2 g6c6 h2h7 b3b4 h7h4 b4a5
info depth 38 currmove c3c4 currmovenumber 1
info depth 38 seldepth 67 multipv 1 score cp 127 lowerbound nodes 928475281 nps 133728255 hashfull 813 tbhits 0 time 6943 pv c3c4
info depth 37 currmove c3c4 currmovenumber 1
info depth 38 seldepth 70 multipv 1 score cp 135 lowerbound nodes 975103564 nps 133869242 hashfull 830 tbhits 0 time 7284 pv c3c4
info depth 36 currmove c3c4 currmovenumber 1
info depth 36 currmove f7g6 currmovenumber 2
info depth 36 currmove e1d1 currmovenumber 3
info depth 36 currmove e1c1 currmovenumber 4
info depth 36 currmove e1a1 currmovenumber 5
info depth 36 currmove f7f3 currmovenumber 6
info depth 36 currmove f7f4 currmovenumber 7
info depth 36 currmove f7d7 currmovenumber 8
info depth 36 currmove a2a4 currmovenumber 9
info depth 36 currmove e1b1 currmovenumber 10
info depth 36 currmove e1e4 currmovenumber 11
info depth 36 currmove g2g3 currmovenumber 12
info depth 36 currmove f7h7 currmovenumber 13
info depth 36 currmove f7b7 currmovenumber 14
info depth 36 currmove e1e3 currmovenumber 15
info depth 36 currmove a2a3 currmovenumber 16
info depth 36 currmove g2g4 currmovenumber 17
info depth 36 currmove e1e2 currmovenumber 18
info depth 36 currmove f7c7 currmovenumber 19
info depth 36 currmove h1h2 currmovenumber 20
info depth 36 currmove e1e5 currmovenumber 21
info depth 36 currmove f7f5 currmovenumber 22
info depth 36 currmove f7f2 currmovenumber 23
info depth 36 currmove h3h4 currmovenumber 24
info depth 36 currmove f7e8 currmovenumber 25
info depth 36 currmove h1g1 currmovenumber 26
info depth 36 currmove f7a7 currmovenumber 27
info depth 36 currmove e1f1 currmovenumber 28
info depth 36 currmove f7g8 currmovenumber 29
info depth 36 currmove f7e7 currmovenumber 30
info depth 36 currmove e1g1 currmovenumber 31
info depth 36 currmove f7f6 currmovenumber 32
info depth 36 currmove f7g7 currmovenumber 33
info depth 36 currmove f7f1 currmovenumber 34
info depth 36 currmove f7f8 currmovenumber 35
info depth 36 currmove f7e6 currmovenumber 36
info depth 36 currmove e1e6 currmovenumber 37
info depth 38 seldepth 82 multipv 1 score cp 143 nodes 1037762093 nps 133887510 hashfull 848 tbhits 0 time 7751 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4f1 h1h2 f1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 g2f3 a8a2 d1d7 g7f6 d7c7 a2a3 f3f4 a3b3 c7c6 f6e7 b4b5 b3b4 f4f3 b4b5 c6c3 b5b1 g3g4 b6b5 g4g5 b5b4 c3c6 e7d7 c6a6 d7c7 a6a4 c7d6 h3h4 d6e6 f3g4 b4b3 a4b4 b3b2 g4h5 e6f7 b4b3 f7g7 b3b5
info depth 39 currmove c3c4 currmovenumber 1
info depth 39 currmove f7g6 currmovenumber 2
info depth 39 currmove e1d1 currmovenumber 3
info depth 39 currmove f7f3 currmovenumber 4
info depth 39 currmove f7h7 currmovenumber 5
info depth 39 currmove e1c1 currmovenumber 6
info depth 39 currmove h3h4 currmovenumber 7
info depth 39 currmove f7b7 currmovenumber 8
info depth 39 currmove g2g3 currmovenumber 9
info depth 39 currmove f7f6 currmovenumber 10
info depth 39 currmove f7d7 currmovenumber 11
info depth 39 currmove f7f4 currmovenumber 12
info depth 39 currmove e1e5 currmovenumber 13
info depth 39 currmove f7c7 currmovenumber 14
info depth 39 currmove e1b1 currmovenumber 15
info depth 39 currmove e1e2 currmovenumber 16
info depth 39 currmove h1h2 currmovenumber 17
info depth 39 currmove f7e7 currmovenumber 18
info depth 39 currmove e1e4 currmovenumber 19
info depth 39 currmove f7e8 currmovenumber 20
info depth 39 currmove e1a1 currmovenumber 21
info depth 39 currmove f7f2 currmovenumber 22
info depth 39 currmove a2a4 currmovenumber 23
info depth 39 currmove f7a7 currmovenumber 24
info depth 39 currmove g2g4 currmovenumber 25
info depth 39 currmove e1e3 currmovenumber 26
info depth 39 currmove f7f5 currmovenumber 27
info depth 39 currmove h1g1 currmovenumber 28
info depth 39 currmove f7g8 currmovenumber 29
info depth 39 currmove e1f1 currmovenumber 30
info depth 39 currmove a2a3 currmovenumber 31
info depth 39 currmove f7g7 currmovenumber 32
info depth 39 currmove e1g1 currmovenumber 33
info depth 39 currmove f7f1 currmovenumber 34
info depth 39 currmove f7e6 currmovenumber 35
info depth 39 currmove f7f8 currmovenumber 36
info depth 39 currmove e1e6 currmovenumber 37
info depth 39 seldepth 87 multipv 1 score cp 145 nodes 1249230288 nps 134340282 hashfull 910 tbhits 0 time 9299 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 g2f3 a8a2 d1d7 g7f6 d7c7 a2a3 f3f4 a3b3 c7c6 f6e7 b4b5 b3b4 f4f3 b4b5 c6c3 b5b1 g3g4 b6b5 g4g5 b5b4 c3c6 e7d7 c6a6 d7c7 a6a4 c7d6 h3h4 d6e6 f3g4 b4b3 a4b4 b3b2 b4b6 e6d5 g4h5 d5c5 b6b7 c5c6 b7b8
info depth 40 currmove c3c4 currmovenumber 1
info depth 40 currmove f7g6 currmovenumber 2
info depth 40 currmove e1d1 currmovenumber 3
?info depth 40 currmove f7f4 currmovenumber 4
info depth 40 currmove f7f6 currmovenumber 5
info depth 40 currmove e1c1 currmovenumber 6
info depth 40 currmove e1e4 currmovenumber 7
info depth 40 currmove a2a3 currmovenumber 8
info depth 40 currmove f7f3 currmovenumber 9
info depth 40 currmove g2g4 currmovenumber 10
info depth 40 currmove f7f2 currmovenumber 11
info depth 40 currmove h3h4 currmovenumber 12
info depth 40 currmove g2g3 currmovenumber 13
info depth 40 currmove e1b1 currmovenumber 14
info depth 40 currmove f7g7 currmovenumber 15
info depth 40 currmove e1e5 currmovenumber 16
info depth 40 currmove h1h2 currmovenumber 17
info depth 40 currmove e1f1 currmovenumber 18
info depth 40 currmove f7f1 currmovenumber 19
info depth 40 currmove f7b7 currmovenumber 20
info depth 40 currmove e1e2 currmovenumber 21
info depth 40 currmove e1e3 currmovenumber 22
info depth 40 currmove a2a4 currmovenumber 23
info depth 40 currmove f7f5 currmovenumber 24
info depth 40 currmove e1g1 currmovenumber 25
info depth 40 currmove f7d7 currmovenumber 26
info depth 40 currmove e1a1 currmovenumber 27
info depth 40 currmove f7e7 currmovenumber 28
info depth 40 currmove f7h7 currmovenumber 29
info depth 40 currmove h1g1 currmovenumber 30
info depth 40 currmove f7a7 currmovenumber 31
info depth 40 currmove f7c7 currmovenumber 32
info depth 40 currmove f7e8 currmovenumber 33
info depth 40 currmove f7g8 currmovenumber 34
info depth 40 currmove f7f8 currmovenumber 35
info depth 40 currmove e1e6 currmovenumber 36
info depth 40 currmove f7e6 currmovenumber 37
info depth 40 seldepth 80 multipv 1 score cp 150 nodes 1763966066 nps 135118044 hashfull 974 tbhits 0 time 13055 pv e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 g7f6 g2f3 f6e5 f3e3 c3c2 d1c1 c8g8 e3d2 g8g3 c1h1 g3a3 d2c2 a3a2 c2b3 a2f2 h3h4 f2f6 b3c4 e5d6 h4h5 f6h6 c4b5 d6c7 b5a6 c7b8 b4b5 b8a8 h1d1 a8b8 d1d5 b8c8 a6a7 c8c7 d5d1 h6h5 d1c1 c7d6
info depth 41 currmove e1d1 currmovenumber 1

info depth 41 seldepth 80 multipv 1 score cp 150 nodes 1779415983 nps 135080542 hashfull 976 tbhits 0 time 13173 pv e1d1 d5e5 d1e1 e5d5 c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 g7f6 g2f3 f6e5 f3e3 c3c2 d1c1 c8g8 e3d2 g8g3 c1h1 g3a3 d2c2 a3a2 c2b3 a2f2 h3h4 f2f6 b3c4 e5d6 h4h5 f6h6 c4b5 d6c7 b5a6 c7b8 b4b5 b8a8 h1d1 a8b8 d1d5 b8c8 a6a7 c8c7 d5d1 h6h5 d1c1 c7d6
info depth 40 seldepth 86 multipv 1 score cp 148 nodes 1779415983 nps 135080542 hashfull 976 tbhits 0 time 13173 pv c3c4 b5c4 e1d1 d5e5 f7g6 c6e4 g6g5 e4f5 g5h4 f5f4 d1e1 e5f5 h4h7 f5g5 h7g8 g5h5 g8e6 f8d6 e6d5 h5h6 e1e6 h6g7 e6d6 f4c1 h1h2 c1f4 g2g3 f4f2 d5g2 f2g2 h2g2 c4c3 d6d1 c8a8 g2f3 a8a2 d1d7 g7f6 d7c7 c3c2 f3f4 a2b2 c7c6 f6e7 f4f5 b2b3 c6c2 b3g3 h3h4 g3b3 c2c7 e7f8 f5f6 b3f3 f6e5 f3b3 c7c4 b6b5 c4e4 f8f7 e5d6 b3c3 e4e7 f7f6 e7e5 c3c4 e5b5 c4d4 d6c5 d4h4 b5b7 f6e6 b4b5 h4h3 b7c7 h3b3
bestmove c3c4 ponder b5c4

[Paloma]

I came across this thread by accident.
I reran the position and found that Rxf6 eval is 3rd on depth 45 (probably because a lot of piece exchange that give a drawish position)
There are a lot of up and down with 3 best moves.

FEN: r3kb1r/1p4pp/2q1pp2/1p2Q3/8/2P5/PP2B1PP/R4R1K w kq - 0 1

Stockfish_19121008_x64_modern:

Code: Select all

...

---------------------------------------------------------------------------
 45/92	17:30	8 551 308 899	8 139 747	+0,14	1.Rxf6 gxf6 2.Qxf6 Rg8 3.Bh5+ Rg6 4.Bxg6+ hxg6 5.Rf1 Kd7 6.Qf7+ Kd6 7.Rd1+ Ke5 8.h3 Rc8 9.Qg8 Qe4 10.Qh8+ Kf5 11.Rf1+ Kg5 12.Rxf8 Rxf8 13.Qxf8 Qe1+ 14.Kh2 Qe5+ 15.g3 Qe2+ 16.Kg1 e5 17.Qf2 Qd3 18.Kh2 Kh6 19.Qf8+ Kg5 20.Qe7+ Kf5 21.Qxb7 Kf6 22.Qb6+ Ke7 23.Qc5+ Ke6 24.Kg2 e4 25.Qc8+ Ke5 26.Qg4 Qd2+ 27.Kf1 Qc1+ 28.Kf2 Qxb2+ 29.Qe2 Qxc3 30.Qxb5+ Kf6 31.Qb6+ Kf5 32.Qe3 Qb2+ 33.Qe2 Qd4+ 34.Kf1 Qa1+ 35.Kg2 Qc3 36.h4 Ke5 37.a4 Qa3 38.h5 gxh5 39.Qb5+ Kd4
 45/65	17:30	8 551 308 899	8 139 747	+0,42	1.Qg3 Kf7 2.Rae1 Bd6 3.Qg5 h5 4.Bd3 Kg8 5.Qe3 Be5 6.Qe2 Qb6 7.Bxb5 Rd8 8.Rd1 Kf7 9.a4 Rxd1 10.Rxd1 Rd8 11.Qxh5+ Ke7 12.g3 Rxd1+ 13.Qxd1 f5 14.Kg2 Qd6 15.Qxd6+ Bxd6 16.Kf3 e5 17.Ke3 Bc7 18.Bc4 g6 19.Bd5 b6 20.Bb3 Kf6 21.Bc4 Bd6 22.b4 g5 23.g4 e4 24.gxf5 Kxf5 25.a5 bxa5 26.bxa5 Bxh2 27.a6 Bb8 28.Kd4 Ba7+ 29.Kd5
 45/70	17:30	8 551 308 899	8 139 747	+0,78	1.Bh5+ Ke7 2.Rad1 Rd8 3.Qf4 Rxd1 4.Rxd1 g6 5.Bf3 Qc8 6.Qb4+ Kf7 7.Qxb5 Be7 8.Qxb7 Qxb7 9.Bxb7 Rb8 10.Rd7 e5 11.Bd5+ Ke8 12.Rb7 Rxb7 13.Bxb7 Bc5 14.a4 Kd7 15.a5 Be3 16.Be4 f5 17.Bd5 Kd6 18.Bg8 h6 19.Bh7 f4 20.Bxg6 Kd5 21.Bd3 e4 22.Bc2 Kc4 23.h4 Kb5 24.Bxe4 Kxa5 25.Kh2 Bc1 26.b3 Bd2 27.c4 Be3 28.Bd5 h5 29.Bf7 Kb4 30.Bxh5 Kxb3 31.Bf3 Kb4

Stockfish-dev:

+2.34 1. Rxf6 O-O-O 2. Rf7 Rd5 3. Qe3 Bc5 4. Qg3 Rd7 5. Qxg7 Rxf7 6. Qxf7 Rf8 7. Qxh7 Bd6 8. Qg7 Qc7 9. Qh6 Qf7 10. Rd1 Kb8 11. Bf3 Bc7 12. Qh4 Qg6 13. Re1 Rd8 14. a4 Qd3 15. axb5 Qxb5 16. Qf2 Bb6 17. Qc2 Rd3 18. Qc1 Rd6 19. Qf4 Bc7 20. Qe4 Qb3 21. Qh7 Rd8 22. Qh3 Qb5 23. Qxe6 Rh8 24. h3 Qxb2 25. Qg4 Qb6 26. Qe4 Qc6 27. Qxc6 bxc6 28. Bxc6 Rd8 29. Bf3 Kc8 30. Re3 Bf4 31. Re4 Bg3 32. c4 Rd3 33. Rg4 Be5 34. Kg1 Kd7 35. h4 Ke6 36. h5 Rd4 37. Rxd4 Bxd4+ 38. Kh1 Kf5 39. h6 Bh8 40. h7 Kf4 41. c5 (depth 63, 6:54:57)

+2.92 1. Rxf6 O-O-O 2. Rf7 Rd5 3. Qe3 Bc5 4. Qg3 Rd7 5. Qxg7 Rxf7 6. Qxf7 Qd7 7. Qxd7+ Kxd7 8. Bxb5+ Ke7 9. Re1 h5 10. Bc4 Rh6 11. g3 h4 12. gxh4 Bf2 13. Re4 Rxh4 14. Rxe6+ Kd7 15. Re2 Rf4 16. Bd5 b6 17. Kg2 Bc5 18. Bf3 Ra4 19. a3 Rf4 20. h3 Bd6 21. Bg4+ Kc6 22. Re6 Kd5 23. Rg6 Ke5 24. Kg3 Bc7 25. Rc6 Rf7 26. Bf3 Rg7+ 27. Kf2 Bd8 28. a4 Rh7 29. Bg4 Kd5 30. Rc8 Bg5 31. Ke2 Ra7 32. Bf3+ Ke5 33. Re8+ Kf5 34. Re4 Rh7 35. Rb4 Re7+ 36. Kf1 Be3 37. Kg2 Re8 38. Bg4+ Ke5 39. Kf3 Kd5 40. h4 Bc5 41. Rb5 Kc6 42. b4 Be3 43. Kg3 Kc7 44. Rd5 Rd8 45. Rxd8 Kxd8 46. h5 Bd2 47. a5 (depth 70, 19:23:30)

What is wrong with your SF Output? (O-O-O is clearly wrong)

After 1.Rxf6 multipv=2
Analysis by Stockfish 150220 64 BMI2:
Depth 59/106
1. = (0.19): 1...gxf6 2.Qxf6 Rg8 3.Bh5+ Rg6 4.Bxg6+ hxg6 5.Rf1 Kd7 6.Qf7+ Kd6 7.Rd1+ Ke5 8.h4 Rc8 9.Rd4 Bh6 10.Qxg6 Rh8 11.Rb4 Kd6 12.Qf6
2. +- (2.13): 1...0-0-0 2.Rf7 Rd5 3.Qe3 Bc5 4.Qg3 Rd7 5.Qxg7 Rxf7 6.Qxf7 Rf8 7.Qxh7 Bd6 8.Qg7 Qc7 9.Qh6 Qe7 10.Bf3 Qf6 11.Qxf6 Rxf6 12.Rf1