interesting TCEC game

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jdart
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interesting TCEC game

Post by jdart »

24. Bb5+ was a nice sac. There is a record in the Chessbase online book showing a Stockfish search to depth 65 (!) and a score of +1.91 for this move. But Stockfish does not seem to prefer it at moderate depths.

29. c4! was also a nice move, not so easy to find.

I think Black should have avoided 29. .. Be8 and played .. Rc8, although Black is still worse then.

[pgn][Event "TCEC Season 14 - Division 1"] [Site "http://tcec.chessdom.com"] [Date "2018.12.15"] [Round "4.4"] [White "LCZero v19.1-11248"] [Black "Chiron S14"] [Result "1-0"] [ECO "B84"] [WhiteElo "3247"] [BlackElo "3354"] [PlyCount "109"] [EventDate "2018.??.??"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. g4 b5 9. g5 Nfd7 10. a3 Bxg5 11. Qd2 Bxe3 12. Qxe3 Qe7 13. O-O-O Bb7 14. Kb1 Nc5 15. b4 Na4 16. Nxa4 bxa4 17. Rhg1 g6 18. e5 d5 19. h4 Qxh4 20. Rh1 Qd8 21. Rh6 Qc7 22. Rdh1 Nd7 23. f4 Nf8 24. Bb5+ axb5 25. Nxb5 Qc6 26. Nd6+ Kd7 27. b5 Qc7 28. Qd4 Rb8 29. c4 $1 Ba8 $2 (29... Rc8 30. Nxc8 Kxc8 31. c5 Qa5 32. Qb2 Nd7 $14) 30. Rc1 Qb6 31. c5 Qa5 32. Rh2 $18 Rxb5+ 33. Nxb5 Qxb5+ 34. Rb2 Qc6 35. Rb6 Kc7 36. Rxc6+ Bxc6 37. Qf2 Nd7 38. Qh4 Rb8+ 39. Ka2 Re8 40. Qxh7 Rf8 41. Qh4 Re8 42. Qe1 Kb7 43. Qa5 Ra8 44. Rb1+ Kc8 45. Qb4 Rb8 46. Qe1 Ra8 47. Qh4 Ra5 48. Qe7 Rxc5 49. Rb4 Rc2+ 50. Ka1 d4 51. Rxd4 Rc3 52. Kb2 Rb3+ 53. Kc1 Rb6 54. Rd6 Kc7 55. Qxf7 1-0 [/pgn]
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Eelco de Groot
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Re: interesting TCEC game

Post by Eelco de Groot »

At depth 37, 27. Nxf7 looks good, but Kaissa is not enamoured of/by LCZero's 27. b5.

[d]r4n1r/1b1k1p1p/2qNp1pR/3pP3/pP3P2/P3Q3/2P5/1K5R w - -

Engine: Kaissa IV (Version 068 search_030, one thread, 512 MB)
by T. Romstad, M. Costalba, J. Kiiski, G. Linscott

37 13:07 +1.74 27.Nxf7 Rg8 28.Nd6 Rg7 29.b5 Qc7
30.Qd4 Rb8 31.c4 Bc6 32.Ka2 Kd8
33.bxc6 Qxc6 34.c5 Rgb7 35.Nxb7+ Rxb7
36.R6h3 Ke8 37.Rc1 Kf7 38.Ka1 Rb5
39.Qf2 Kg8 40.Ka2 (1.588.622.547) 2017

37 13:07 +0.91 27.b5 Qc7 28.Qd4 Rc8 29.Qxa4 Ke7
30.Nxc8+ Qxc8 31.Qb4+ Ke8 32.a4 Qc4
33.Qxc4 dxc4 34.R1h3 Ke7 35.Kb2 Nd7
36.Rxh7 Ra8 37.Ra3 g5 38.fxg5 Nxe5
39.a5 Kd6 40.a6 (1.588.622.547) 2017

37 13:07 0.00 27.f5 exf5 28.Nxf7 Rc8 29.R1h2 Rg8
30.Nd6 Re8 31.Rxh7+ Nxh7 32.Rxh7+ Re7
33.Rxe7+ Kxe7 34.Qh6 Ke6 35.Qh7 Kxe5
36.Qe7+ Kd4 37.Qh4+ Ke3 38.Qg3+ Ke2
39.Qh2+ Kf1 40.Qh1+ (1.588.622.547) 2017

37 13:07 0.00 27.Qd4 Ba6 28.R6h3 Rc8 29.Qa7+ Rc7
30.Qb8 Bc8 31.b5 Qxc2+ 32.Ka1 Qd2
33.b6 Rc1+ 34.Rxc1 Qxc1+ 35.Ka2 Qc2+
36.Ka1 (1.588.622.547) 2017
Debugging is twice as hard as writing the code in the first
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
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Dann Corbit
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Re: interesting TCEC game

Post by Dann Corbit »

[d]1r3n1r/1bqk1p1p/3Np1pR/1P1pP3/p2Q1P2/P7/2P5/1K5R w - - acd 38; acs 564; bm c4; ce 167; pm c4; pv c4 Rc8 Rd1;
[d]r3kb1r/1bqn1p1p/p1Np1P2/3P4/1p6/5Q2/PPP4P/2KR1BR1 w kq - acd 44; acs 369; bm Qe3+; c1: "Rg5 Ne5 Qe3 is a permutation"; c2 "score of this pv is 141: Bh3 Ne5 Rge1 Rg8 Qf4 Bxc6 dxc6 Rg6 Kb1 Rb8 Bd7+ Kd8 Bf5 Nxc6 Qe3 Qb7 Qe8+ Kc7 Qxf7+ Kb6 Bxg6 hxg6 Qxg6 Ne5 Qg1+ Kc7 Qf1 a5 h4 a4 h5 Qf3 Qxf3 Nxf3 Rf1 Ne5 Rf5 Nc6 f7 Kd7 Rf6 Be7 Rf4 Bf8 Re1 Ne5 Rh1 Bh6 f8=Q Bxf8 h6 Ke6 h7 Bg7"; ce 190; pm Qe3+; pv Qe3+ Ne5 Rg5 h6 Rf5 Bxc6 dxc6 Rg8 h4 O-O-O Bxa6+ Kb8 a4 h5 Kb1 Qxc6 Bb5 Qc7 Rd5 Rg4 Ba6 Rxh4 Qf2 b3 Rb5+ Ka8 cxb3 Rh1+ Ka2 Rc1 Bb7+ Qxb7 Rxb7 Kxb7 Rxh5 Ra8 Qd2 Rc7 Qb4+ Ka7 Qd4+ Kb7 Qe4+ Ka7 b4 Rac8 Qd5 Kb8 Rh8 Ng6 Rh7 Ne5 a5 Rb7 a6 Rb6 b5 Rc5 a7+ Kxa7 Rxf7+ Nxf7 Qxf7+ Rb7;
[d]r3kn1r/1bq2p1p/p3p1pR/3pP3/pP1N1P2/P3Q3/2P1B3/1K5R w kq - acd 44; acs 532; bm Bb5+; c2 "moves Qd2 and c3 both score more than a pawn"; ce 178; pm Bb5+; pv Bb5+ axb5 Nxb5 Qc6 Nd6+ Kd7 Nxf7 Rc8 Qf2 Ke8 Nxh8 d4 Rd1 Qc3 Rd3 Qc7 Rh2 Qg7 Qxd4 Qxh8 Qa7 Qg7 Rhh3 h5 Qxa4+ Bc6 Qa6 Bb7 Qa7 Qe7 Rc3 Ra8 Qb6 Bg2 Rhd3 Qb7 Qxb7 Bxb7 Kb2 Be4 Rd2 Bd5 Rc7 Nd7 c4 Kd8 Rxd7+ Kxd7 cxd5 Rf8 b5 Rxf4 d6 Re4 b6 Rxe5;
[d]r4n1r/1b1k1p1p/2qNp1pR/3pP3/pP3P2/P3Q3/2P5/1K5R w - - acd 44; acs 2631; bm b5; c2 "score of this pv is 112: Nxf7 Rg8 Nd6 Rg7 b5 Qc7 Qd4 Rb8 c4 Ke7 b6 Qc6 f5 exf5 Nxf5+ Kf7 Nxg7 Qxc4 e6+ Kg8 Qxc4 dxc4 e7 Kxg7 exf8R Kxf8 Rxh7 Bd5 Rh8+ Bg8 R1h7 Rxb6+ Kc2 Rb3 Ra7 Rb8 Rh4 Be6 Rhh7 g5 Rh8+ Bg8 Rh6 Bd5 Rxa4 g4 Rh5 Be6 Ra7 g3 a4"; ce 206; pm b5; pv b5 Qc7 Rd1 Qa5 Qc5 Qc7 Qd4 Rb8 c4 Rc8 Qe3 Qc5 Qxc5 Rxc5 Nxb7 Rxc4 Nd6 Rxf4 Rc1 Ke7 Rc8 f6 b6 fxe5 Nb5 Rf7 Kc2 Nd7 Rxh8 Nxb6 R6xh7 Nc4 Kc3 Rxh7 Rxh7+ Kf6 Kb4 e4 Kxa4 e3 Rh1 Ke5 Kb4 Ke4 a4 Ne5 a5 Nc6+ Kc3 Nxa5 Nd4 Nc4 Nxe6 Nd6 Re1 Nf5 Kb4 Kf3 Kc5;
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Eelco de Groot
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Re: interesting TCEC game

Post by Eelco de Groot »

Thanks Dann. if I understood some of the output you got lower scores. Mine jump around more because sometimes I increase the depth for FH and FL with four to eight plies (Non PV of course). I made it more a two step process in search_031; if the FH becomes a FL again another re-search but now my benchnumber is
===========================
Total time (ms) : 5267
Nodes searched : 7570822
Nodes/second : 1437406

I don't think this will work outside of Analyse mode where the bench does not really matter. So I will probably have to introduce UCI_Analyse again which Stockfish does not use. New computation:

[pgn] [Event "TCEC Season 14 - Division 1"] [Site "http://tcec.chessdom.com"] [Date "2018.12.15"] [Round "4.4"] [White "LCZero v19.1-11248"] [Black "Chiron S14"] [WhiteElo "3247"] [BlackElo "3354"] [ECO "B84"] [Result "1-0"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. g4 b5 9. g5 Nfd7 10. a3 Bxg5 11. Qd2 Bxe3 12. Qxe3 Qe7 13. O-O-O Bb7 14. Kb1 Nc5 15. b4 Na4 16. Nxa4 bxa4 17. Rhg1 g6 18. e5 d5 19. h4 Qxh4 20. Rh1 Qd8 21. Rh6 Qc7 22. Rdh1 Nd7 23. f4 Nf8 24. Bb5+ axb5 25. Nxb5 Qc6 26. Nd6+ Kd7 {see diagram} 27. b5 (27. Nxf7 Rg8 (27... Rc8 28. Qf2 Ke8 29. Nxh8 Rc7 30. R1h2 Qc4 31. Qd2 Ba6 32. R6h3 Bb5 33. Kb2 Qc6 34. Qd4 Re7 35. Rc3 Bc4 36. Rh1 $14) 28. Nd6 Rg7 29. b5 Qc7 30. Qd4 $14) 27... Qc7 28. Qd4 Rb8 29. c4 $1 Ba8 $2 (29... Rc8 30. Nxc8 Kxc8 31. c5 Qa5 32. Qb2 Nd7 $14) 30. Rc1 Qb6 31. c5 Qa5 32. Rh2 $18 Rxb5+ 33. Nxb5 Qxb5+ 34. Rb2 Qc6 35. Rb6 Kc7 36. Rxc6+ Bxc6 37. Qf2 Nd7 38. Qh4 Rb8+ 39. Ka2 Re8 40. Qxh7 Rf8 41. Qh4 Re8 42. Qe1 Kb7 43. Qa5 Ra8 44. Rb1+ Kc8 45. Qb4 Rb8 46. Qe1 Ra8 47. Qh4 Ra5 48. Qe7 Rxc5 49. Rb4 Rc2+ 50. Ka1 d4 51. Rxd4 Rc3 52. Kb2 Rb3+ 53. Kc1 Rb6 54. Rd6 Kc7 55. Qxf7 1-0 [/pgn]

[d]r4n1r/1b1k1p1p/2qNp1pR/3pP3/pP3P2/P3Q3/2P5/1K5R w - -

Engine: Kaissa IV search_031 (512 MB)
by T. Romstad, M. Costalba, J. Kiiski, G. Linscott

52 363:45 +1.69 27.Nxf7 {Black probably holds}
Rg8 28.Nd6 Rg7 29.b5 Qc7
30.Qd4 Rc8 31.Qxa4 Kd8 32.R6h3 Rd7
33.Nxc8 Qxc8 34.Qb4 Ke8 35.Rc3 Qd8
36.Rd1 d4 37.Rcd3 Qe7 38.Rxd4 Qxb4+
39.axb4 h5 40.c4 (49.470.956.784) 2266

52 363:45 +0.84 27.b5 Qc7 28.Qd4 Rb8 29.c4 Rc8
30.Nxc8 Kxc8 31.c5 Qa5 32.Qb2 Nd7
33.Qb4 Qxb4+ 34.axb4 Kc7 35.Rxh7 Rf8
36.c6 Bc8 37.cxd7 Bxd7 38.Rh8 Rxh8
39.Rxh8 Bxb5 40.Rf8 (49.470.956.784) 2266

52 363:45 0.00 27.Qd4 Ba6 28.R6h3 Rb8 29.Nxf7 Rg8
30.Nd6 Rg7 31.Rc3 Qb6 32.Qd2 h5
33.Rd1 Ke7 34.Qg2 Nd7 35.Rh1 Kf8
36.Rg3 Qd4 37.Rg1 Ke7 38.Rxg6 Rxg6
39.Qxg6 Kd8 40.Rh1 (49.470.956.784) 2266
Debugging is twice as hard as writing the code in the first
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
-- Brian W. Kernighan
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chrisw
Posts: 4313
Joined: Tue Apr 03, 2012 4:28 pm

Re: interesting TCEC game

Post by chrisw »

Eelco de Groot wrote: ↑Fri Dec 21, 2018 6:41 pm Thanks Dann. if I understood some of the output you got lower scores. Mine jump around more because sometimes I increase the depth for FH and FL with four to eight plies (Non PV of course). I made it more a two step process in search_031; if the FH becomes a FL again another re-search but now my benchnumber is
===========================
Total time (ms) : 5267
Nodes searched : 7570822
Nodes/second : 1437406

I don't think this will work outside of Analyse mode where the bench does not really matter. So I will probably have to introduce UCI_Analyse again which Stockfish does not use. New computation:

[pgn] [Event "TCEC Season 14 - Division 1"] [Site "http://tcec.chessdom.com"] [Date "2018.12.15"] [Round "4.4"] [White "LCZero v19.1-11248"] [Black "Chiron S14"] [WhiteElo "3247"] [BlackElo "3354"] [ECO "B84"] [Result "1-0"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. g4 b5 9. g5 Nfd7 10. a3 Bxg5 11. Qd2 Bxe3 12. Qxe3 Qe7 13. O-O-O Bb7 14. Kb1 Nc5 15. b4 Na4 16. Nxa4 bxa4 17. Rhg1 g6 18. e5 d5 19. h4 Qxh4 20. Rh1 Qd8 21. Rh6 Qc7 22. Rdh1 Nd7 23. f4 Nf8 24. Bb5+ axb5 25. Nxb5 Qc6 26. Nd6+ Kd7 {see diagram} 27. b5 (27. Nxf7 Rg8 (27... Rc8 28. Qf2 Ke8 29. Nxh8 Rc7 30. R1h2 Qc4 31. Qd2 Ba6 32. R6h3 Bb5 33. Kb2 Qc6 34. Qd4 Re7 35. Rc3 Bc4 36. Rh1 $14) 28. Nd6 Rg7 29. b5 Qc7 30. Qd4 $14) 27... Qc7 28. Qd4 Rb8 29. c4 $1 Ba8 $2 (29... Rc8 30. Nxc8 Kxc8 31. c5 Qa5 32. Qb2 Nd7 $14) 30. Rc1 Qb6 31. c5 Qa5 32. Rh2 $18 Rxb5+ 33. Nxb5 Qxb5+ 34. Rb2 Qc6 35. Rb6 Kc7 36. Rxc6+ Bxc6 37. Qf2 Nd7 38. Qh4 Rb8+ 39. Ka2 Re8 40. Qxh7 Rf8 41. Qh4 Re8 42. Qe1 Kb7 43. Qa5 Ra8 44. Rb1+ Kc8 45. Qb4 Rb8 46. Qe1 Ra8 47. Qh4 Ra5 48. Qe7 Rxc5 49. Rb4 Rc2+ 50. Ka1 d4 51. Rxd4 Rc3 52. Kb2 Rb3+ 53. Kc1 Rb6 54. Rd6 Kc7 55. Qxf7 1-0 [/pgn]

[d]r4n1r/1b1k1p1p/2qNp1pR/3pP3/pP3P2/P3Q3/2P5/1K5R w - -

Engine: Kaissa IV search_031 (512 MB)
by T. Romstad, M. Costalba, J. Kiiski, G. Linscott

52 363:45 +1.69 27.Nxf7 {Black probably holds}
Rg8 28.Nd6 Rg7 29.b5 Qc7
30.Qd4 Rc8 31.Qxa4 Kd8 32.R6h3 Rd7
33.Nxc8 Qxc8 34.Qb4 Ke8 35.Rc3 Qd8
36.Rd1 d4 37.Rcd3 Qe7 38.Rxd4 Qxb4+
39.axb4 h5 40.c4 (49.470.956.784) 2266

52 363:45 +0.84 27.b5 Qc7 28.Qd4 Rb8 29.c4 Rc8
30.Nxc8 Kxc8 31.c5 Qa5 32.Qb2 Nd7
33.Qb4 Qxb4+ 34.axb4 Kc7 35.Rxh7 Rf8
36.c6 Bc8 37.cxd7 Bxd7 38.Rh8 Rxh8
39.Rxh8 Bxb5 40.Rf8 (49.470.956.784) 2266

52 363:45 0.00 27.Qd4 Ba6 28.R6h3 Rb8 29.Nxf7 Rg8
30.Nd6 Rg7 31.Rc3 Qb6 32.Qd2 h5
33.Rd1 Ke7 34.Qg2 Nd7 35.Rh1 Kf8
36.Rg3 Qd4 37.Rg1 Ke7 38.Rxg6 Rxg6
39.Qxg6 Kd8 40.Rh1 (49.470.956.784) 2266
the Nxf7 line looks dumb, for although white takes the pawn (which is for the taking anyway later on), the very silly black R on h8 gets back into the game, resulting in same position, but with the black kside disentangled.
not taking f7, and b5 instead gives hopelessly useless black RN unable to move, held by just the white R, and equal pieces on the qside, white WRN vs black QRB, with white pawns mobile. LC0 presumably sees this pattern, whereas Stockfish doesn’t. Here “knowledge” defeats lookahead. I would guess a human player would have been a little frightened to play for this position (it’s easy for a strong player to see) but not so clear how it would in practice play out. LC0 being an unemotional statistical thing, just went for it.
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chrisw
Posts: 4313
Joined: Tue Apr 03, 2012 4:28 pm

Re: interesting TCEC game

Post by chrisw »

jdart wrote: ↑Thu Dec 20, 2018 6:08 pm 24. Bb5+ was a nice sac. There is a record in the Chessbase online book showing a Stockfish search to depth 65 (!) and a score of +1.91 for this move. But Stockfish does not seem to prefer it at moderate depths.

29. c4! was also a nice move, not so easy to find.

I think Black should have avoided 29. .. Be8 and played .. Rc8, although Black is still worse then.

[pgn][Event "TCEC Season 14 - Division 1"] [Site "http://tcec.chessdom.com"] [Date "2018.12.15"] [Round "4.4"] [White "LCZero v19.1-11248"] [Black "Chiron S14"] [Result "1-0"] [ECO "B84"] [WhiteElo "3247"] [BlackElo "3354"] [PlyCount "109"] [EventDate "2018.??.??"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. g4 b5 9. g5 Nfd7 10. a3 Bxg5 11. Qd2 Bxe3 12. Qxe3 Qe7 13. O-O-O Bb7 14. Kb1 Nc5 15. b4 Na4 16. Nxa4 bxa4 17. Rhg1 g6 18. e5 d5 19. h4 Qxh4 20. Rh1 Qd8 21. Rh6 Qc7 22. Rdh1 Nd7 23. f4 Nf8 24. Bb5+ axb5 25. Nxb5 Qc6 26. Nd6+ Kd7 27. b5 Qc7 28. Qd4 Rb8 29. c4 $1 Ba8 $2 (29... Rc8 30. Nxc8 Kxc8 31. c5 Qa5 32. Qb2 Nd7 $14) 30. Rc1 Qb6 31. c5 Qa5 32. Rh2 $18 Rxb5+ 33. Nxb5 Qxb5+ 34. Rb2 Qc6 35. Rb6 Kc7 36. Rxc6+ Bxc6 37. Qf2 Nd7 38. Qh4 Rb8+ 39. Ka2 Re8 40. Qxh7 Rf8 41. Qh4 Re8 42. Qe1 Kb7 43. Qa5 Ra8 44. Rb1+ Kc8 45. Qb4 Rb8 46. Qe1 Ra8 47. Qh4 Ra5 48. Qe7 Rxc5 49. Rb4 Rc2+ 50. Ka1 d4 51. Rxd4 Rc3 52. Kb2 Rb3+ 53. Kc1 Rb6 54. Rd6 Kc7 55. Qxf7 1-0 [/pgn]
19. h4 was deep. In view of what follows, can black capture it at all?
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Dann Corbit
Posts: 12537
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: interesting TCEC game

Post by Dann Corbit »

chrisw wrote: ↑Fri Dec 21, 2018 7:56 pm 19. h4 was deep. In view of what follows, can black capture it at all?
[d]rn2k2r/1b2qp1p/p3p1p1/3pP3/pP1N4/P3Q3/2P1BP1P/1K1R2R1 w kq - bm h4;
Indeed, it takes SF 39 plies to see it.
Alas, I would never have played that move in a million years, even though it is the best one.

Code: Select all

Searching: rn2k2r/1b2qp1p/p3p1p1/3pP3/pP1N4/P3Q3/2P1BP1P/1K1R2R1 w kq - 0 1
infinite: 0 time: 0 increment: 0 moves to go: 0

 1   +2.88   00:00     342  b5 
 2   +1.32   00:00   19431  f4 Nd7 
 3   +2.22   00:00   43100  Qh6 Nc6 Qg7 Nxd4 Rxd4 
 4   +1.29   00:00   71973  f3 O-O Qh6 Nd7 f4 
 5   +1.06   00:00  103770  Rg3 Nd7 f4 O-O Rdg1 Rfc8 
 6   +0.95   00:00  136127  b5 Nd7 f4 O-O Qh3 axb5 
 7   +1.14   00:00  210219  Rg3 Nd7 f4 O-O Rh3 Rac8 Rg1 
 8   +0.37   00:00  258016  f4 Nc6 b5 Nxd4 Qxd4 axb5 Bxb5+ Kf8 Rg3 
 9   +0.32   00:00  340422  Qh6 Nc6 h4 Nxd4 Rxd4 Rc8 Qg7 Kd7 
10   +0.49   00:00  364420  Qh6 Nc6 h4 Nxd4 Rxd4 Kd7 Qe3 Rac8 c4 
11   +0.55   00:00  415023  Qh6 Nc6 Nxc6 Bxc6 Qg7 Kd7 Rg3 Rag8 Qh6 Ra8 Rc3 
12   +0.71   00:00  584854  Rg3 Nd7 f4 O-O Rdg1 Rfc8 Rh3 a5 b5 Kh8 Rd1 
13   +0.64   00:00  851581  Qh6 Nc6 c4 Nxd4 Rxd4 O-O-O c5 Kb8 Qe3 Ka7 Kb2 Bc6 Rc1 Bb5 
14   +0.33   00:00   2190K  Qh6 Qf8 Qf4 Qe7 Rg3 O-O Rc3 Nd7 Rc7 Rab8 b5 Ba8 Ka2 axb5 Bxb5 Rb7 
15   +0.16   00:00   2621K  Qh6 Qf8 Qe3 Qe7 Rg3 O-O Qh6 Nc6 Rh3 f6 Nxe6 Rf7 Nf4 Nxe5 Nxd5 Bxd5 Rxd5 Qe6 
16   +0.40   00:00   3730K  Rg3 O-O Qh6 Nc6 Rh3 f6 Nxe6 Rf7 Nf4 Nxe5 Nxd5 Bxd5 Rxd5 Qe6 Rc5 Rc8 Rxc8+ Qxc8 Kb2 g5 
17   +0.25   00:00   5576K  Rg3 Qc7 Qh6 Nc6 Nxc6 Bxc6 Qg7 Rf8 Rc3 Qb7 Qxh7 O-O-O Qh4 Kb8 Qd4 Rc8 h4 Bb5 Bxb5 axb5 Kb2 Rxc3 
18   +0.38   00:00   6378K  Rg3 Nc6 b5 Nxd4 Rxd4 O-O b6 Rac8 Rxa4 Rc6 Rb4 Rfc8 Rb2 Kg7 Qd4 Rc5 a4 h5 Rf3 R5c6 Qe3 
19   +0.52   00:00   9538K  Qh6 Nc6 Rg3 Qf8 Qe3 Qe7 b5 Nxd4 Rxd4 O-O b6 Rac8 Rxa4 Rc6 Rb4 Rfc8 Rb2 a5 Qh6 f5 exf6 Qxf6 Rh3 
20   +0.25   00:01  16371K  Qh6 Nc6 Rg3 Qf8 Qe3 Qe7 b5 Na5 Qh6 Nc4 Ka2 Rc8 b6 Nxb6 Qg7 Rf8 Qxh7 Nc4 f4 Qc5 Rc3 Kd7 Bxc4 dxc4 Nb5+ Bd5 Nd6 
21   +0.00   00:02  25444K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Bxc4 dxc4 b6 c3 Qxc3 Bd5+ Ka1 O-O Rh3 Bg2 Rg3 
22   +0.00   00:03  34957K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Bxc4 dxc4 b6 Bd5 c3 O-O Rb1 Rab8 Ne2 Bc6 Nd4 
23   +0.00   00:04  41385K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Bxc4 dxc4 b6 Rd8 Qh6 Qf8 Qh4 Qe7 
24   +0.20   00:04  48106K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Bxc4 dxc4 b6 Rd8 c3 O-O f4 Qc5 Rb1 Rd7 Rh3 h5 Rg3 Rb8 Rgg1 Rd5 Rb2 Rdd8 Rb4 Kh7 f5 exf5 e6 
25   +0.00   00:06  65783K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rc3 Qf8 Qf4 Qe7 
26   +0.00   00:07  68780K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rc3 Qf8 Qh4 Qe7 
27   +0.00   00:08  83970K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Bxc4 Rxc4 Qg7 Rf8 Rf3 axb5 c3 Kd7 Qxh7 Rcc8 Rb1 Ba6 Qg7 Rb8 Rf6 Rbc8 Rf3 
28   +0.00   00:10  99812K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Bxc4 Rxc4 Rf3 axb5 Qg7 Rf8 c3 Bc6 Kb2 Bd7 Qxh7 Qg5 Qg7 Qe7 
29   +0.00   00:11 113520K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rb1 Qc5 Qf4 Qe7 
30   +0.00   00:12 122645K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rc3 Qf8 Qh3 Qe7 Bxc4 dxc4 bxa6 Bxa6 Qh6 Qf8 Qxf8+ Kxf8 Rb1 Rc7 Rb6 Bb7 Nb5 Re7 Nd6 Bd5 Ra6 Kg7 Rxa4 Rd8 
31   +0.00   00:13 127763K  Rg3 Nc6 b5 Na5 Qh6 Nc4 Ka2 Rc8 Rc3 Qf8 Qg5 Qe7 
32   +0.00   00:17 170479K  Rg3 Nc6 b5 Na5 Qh6 Nc4 Ka2 Rc8 Rc3 Qf8 Qg5 Qe7 
33   +0.36   00:37 368845K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rb1 Qc5 Qf4 axb5 Rxb5 Qc7 Rb4 Bc6 Bxc4 dxc4 c3 Bd7 Qg5 h5 Rg1 Qd8 Qf4 O-O Rb7 Rc7 Rgb1 Kh7 Rb8 Qe7 h4 Rc5 R8b7 Kg8 Qf6 Qd8 R1b4 Rd5 Rxc4 
34   +0.33   01:20 809049K  Rg3 Nc6 b5 Na5 Qh6 Nc4 Ka2 Rc8 Rb1 Qc5 Qf4 axb5 Rxb5 Qc7 Rb4 Bc6 Bxc4 dxc4 h4 O-O c3 Qe7 h5 Kg7 Rg1 Kg8 f3 Kg7 Qh2 Rfd8 h6+ Kg8 Qf4 Bd5 Rgb1 Rf8 Qe3 f6 
35   +0.26   02:16   1356M  Rg3 Nc6 b5 Na5 Qh6 Nc4 Ka2 Rc8 Rb1 Qc5 Qf4 axb5 Rxb5 Qc7 Rb4 Bc6 Bxc4 dxc4 h4 O-O c3 Qe7 h5 Kh8 Qe3 Rg8 Nxc6 Rxc6 Rg4 Rcc8 hxg6 fxg6 Rxa4 Qb7 Rb4 Qh1 Rd4 Rcf8 Rb1 Qf3 a4 Qxf2+ Qxf2 Rxf2+ Rb2 Rxb2+ Kxb2 Kg7 Rxc4 
36   +0.25   02:42   1620M  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rb1 Qc5 Qf4 Qe7 b6 h6 h4 g5 hxg5 hxg5 Qxg5 Qxg5 Rxg5 Rh4 Bxc4 dxc4 Nxe6 fxe6 Rg7 Bd5 b7 c3+ Ka1 Bxb7 Rbxb7 Kf8 Rgf7+ Kg8 Ka2 Re4 Rg7+ Kh8 Rgc7 Rxc7 Rxc7 Rxe5 Rxc3 Re2 Rc4 Kg7 Kb2 Rxf2 Rxa4 
37   +0.12   03:52   2336M  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rb1 Qc5 Qf4 Qe7 b6 Rf8 Bxc4 dxc4 c3 f6 Re3 fxe5 Qxe5 Rxf2+ Rb2 Rxb2+ Kxb2 Kf7 Nxe6 Kg8 Nc7 Qxe5 Rxe5 Kf7 Rc5 Rd8 Rxc4 Rd6 Rb4 a5 Rb5 Rd2+ Kc1 Rxh2 Rxa5 Rh1+ Kc2 Be4+ Kd2 Rb1 Ra6 Bf5 Nd5 
38   +0.13   04:52   2945M  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rb1 Qc5 Qf4 Qe7 b6 h6 h4 g5 hxg5 hxg5 Qxg5 Qxg5 Rxg5 Ke7 Bd3 Nd2 Rb4 Ne4 Bxe4 dxe4 Kb2 Rh2 Rg3 Rxf2 Rc3 Rxc3 Kxc3 f6 Rc4 fxe5 Nc6+ Kd7 Na5 Bd5 Rc7+ Kd6 Nc4+ Bxc4 Rxc4 Rf8 Rxe4 Rb8 b7 Rxb7 Rxa4 Rf7 Rxa6+ Kd5 
39   +0.22   06:28   3924M  h4 Nc6 Nf3 Rb8 Ka2 Rc8 c3 Qc7 Rc1 d4 cxd4 Qd8 d5 exd5 Nd4 Nxd4 Qxd4 O-O h5 Qe7 Rxc8 Bxc8 Kb2 Qe6 Bg4 Qe7 Bf3 Be6 Be2 Qb7 Rc1 Ra8 Bd3 Rc8 Rxc8+ Qxc8 hxg6 fxg6 f3 Kf7 Qh4 Kg7 
40   +0.30   09:13   5582M  h4 Nc6 Nf3 Rb8 Ka2 Qc7 Rc1 Ne7 Nd4 Nc6 Nxc6 Bxc6 Bxa6 Bb5 Bxb5+ Rxb5 Qe2 Rb8 c4 dxc4 Rxc4 Qb7 h5 O-O Rgc1 Qd5 Kb1 Rfd8 h6 Kf8 Qe3 Ke8 R4c3 Rb7 f4 Rbd7 Rc8 Qb7 Rxd8+ Rxd8 Qc5 Qf3 Qc6+ Qxc6 Rxc6 
41   +0.23   11:22   6892M  h4 Qxh4 Rh1 Qd8 Rh6 Nc6 Rdh1 Qb6 c3 O-O-O Rxh7 Rhf8 Bd1 Nxd4 Bxa4 a5 Qxd4 Kc7 Rc1 Ba6 Kb2 Rc8 Bb3 Kb7 Qf4 Qc7 Rh4 Qd8 Qg3 Bc4 Bxc4 Rxc4 Rxc4 dxc4 Qf3+ Qd5 Qxd5+ exd5 Rh1 Kb6 f4 axb4 axb4 Kb5 Rd1 Rd8 Kc2
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User avatar
MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Re: interesting TCEC game

Post by MikeB »

jdart wrote: ↑Thu Dec 20, 2018 6:08 pm 24. Bb5+ was a nice sac. There is a record in the Chessbase online book showing a Stockfish search to depth 65 (!) and a score of +1.91 for this move. But Stockfish does not seem to prefer it at moderate depths.

29. c4! was also a nice move, not so easy to find.

I think Black should have avoided 29. .. Be8 and played .. Rc8, although Black is still worse then.

[pgn][Event "TCEC Season 14 - Division 1"] [Site "http://tcec.chessdom.com"] [Date "2018.12.15"] [Round "4.4"] [White "LCZero v19.1-11248"] [Black "Chiron S14"] [Result "1-0"] [ECO "B84"] [WhiteElo "3247"] [BlackElo "3354"] [PlyCount "109"] [EventDate "2018.??.??"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. g4 b5 9. g5 Nfd7 10. a3 Bxg5 11. Qd2 Bxe3 12. Qxe3 Qe7 13. O-O-O Bb7 14. Kb1 Nc5 15. b4 Na4 16. Nxa4 bxa4 17. Rhg1 g6 18. e5 d5 19. h4 Qxh4 20. Rh1 Qd8 21. Rh6 Qc7 22. Rdh1 Nd7 23. f4 Nf8 24. Bb5+ axb5 25. Nxb5 Qc6 26. Nd6+ Kd7 27. b5 Qc7 28. Qd4 Rb8 29. c4 $1 Ba8 $2 (29... Rc8 30. Nxc8 Kxc8 31. c5 Qa5 32. Qb2 Nd7 $14) 30. Rc1 Qb6 31. c5 Qa5 32. Rh2 $18 Rxb5+ 33. Nxb5 Qxb5+ 34. Rb2 Qc6 35. Rb6 Kc7 36. Rxc6+ Bxc6 37. Qf2 Nd7 38. Qh4 Rb8+ 39. Ka2 Re8 40. Qxh7 Rf8 41. Qh4 Re8 42. Qe1 Kb7 43. Qa5 Ra8 44. Rb1+ Kc8 45. Qb4 Rb8 46. Qe1 Ra8 47. Qh4 Ra5 48. Qe7 Rxc5 49. Rb4 Rc2+ 50. Ka1 d4 51. Rxd4 Rc3 52. Kb2 Rb3+ 53. Kc1 Rb6 54. Rd6 Kc7 55. Qxf7 1-0 [/pgn]
latest McCain - found an issue that was driving me nuts - but part of it was my corrupted syzygy files. all seems to be good now. Will send source out soon to the compiler team
[d]r3kn1r/1bq2p1p/p3p1pR/3pP3/pP1N1P2/P3Q3/2P1B3/1K5R w kq - 1 1

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 38	+0.50 	10.1G	7:13.66	Bb5+ axb5 Nxb5 Qc6 Nd6+ Kd7 Nxf7 Rg8 Nd6 Rg7 b5 Qc7 Qd4 Rb8 c4 Ke7 c5 Bc6 b6 Kd8 Ka2 Qe7 Qb4 Kd7 Qc3 Kd8 R1h3 Ra8 Qb4 Kd7 Rh2 Rb8 Qd4 Kd8 Rc2 Nd7 Rb2 Qf8 Rbh2 Qe7 Kb1 Ra8 Qb4 Nb8 Rb2 Na6 Qc3 Kd7 b7 Rh8 
 37	+0.50 	9.71G	6:57.64	Bb5+ axb5 Nxb5 Qc6 Nd6+ Kd7 Nxf7 Rg8 Nd6 Rg7 b5 Qc7 Qd4 Rb8 c4 Ke7 c5 Bc6 b6 Kd8 Ka2 Qe7 Qb4 Kd7 Qc3 Kd8 R1h3 Ra8 Qb4 Kd7 Rh2 Kd8 Rb2 Rb8 Qa5 Qd7 Qa6 d4 Qd3 Bd5+ Ka1 Qc6 Qxd4 
 36	+0.51 	7.45G	5:21.35	Bb5+ axb5 Nxb5 Qc6 Nd6+ Kd7 Nxf7 Rg8 Nd6 Rg7 b5 Qc7 Qd4 Rb8 c4 Ke7 c5 Bc6 b6 Kd8 Ka2 Qe7 Qb4 Kd7 Qc3 Kd8 R1h3 Ra8 Qb4 Rb8 Rc3 Nd7 Rc2 Nf8 Qa5 Qd7 Qe1 Qe7 Qf2 Nd7 Qd4 Qf8 Rch2 Qe7 Rb2 Nf8 Rb4 Nd7 Kb2 
 35	+0.50 	7.03G	5:03.15	Bb5+ axb5 Nxb5 Qc6 Nd6+ Kd7 Nxf7 Rg8 Nd6 Rg7 b5 Qc7 Qd4 Rb8 c4 Ke7 c5 Bc6 b6 Kd8 Ka2 Qe7 Qb4 Kd7 Qc3 Kd8 R1h3 Ra8 Qb4 Rb8 Rc3 Nd7 Rc2 Qf8 Qd4 Qe7 Rch2 Ra8 Rb2 Rb8 Ka1 Ra8 Kb1 Rb8 Rbh2 Nf8 Ka1 
 34	+0.46 	6.98G	5:01.06	Bb5+ axb5 Nxb5 Qc6 Nd6+ Kd7 Nxf7 Rg8 Nd6 Rg7 b5 Qc7 Qd4 Rb8 c4 Ke7 c5 Bc6 b6 Kd8 Ka2 Qe7 Qb4 Kd7 Qc3 Kd8 R1h3 Nd7 Qb4 Nf8 Qa5 Qd7 Qe1 Qe7 Qb4 Nd7 Ka1 Nf8 Qd4 Kd7 Kb1 Kd8 Rd3 Kd7 Rd2 Qd8 Ka2 
 33	+0.50 	6.71G	4:49.96	Bb5+ axb5 Nxb5 Qc6 Nd6+ Kd7 Nxf7 Rg8 Nd6 Rg7 b5 Qc7 Qd4 Rb8 c4 Ke7 c5 Bc6 b6 Kd8 Ka2 Qe7 Qf2 Nd7 Rc1 Qf8 Rc2 Qe7 Qd4 Qf8 Rch2 Qe7 Qb4 Nf8 Qa5 Rg8 R2h3 Rg7 Rg3 Qd7 b7+ Qc7 
 32	+0.46 	3.11G	2:15.51	R1h3 Bc8 Qf2 Bd7 Rf3 Qb6 Kb2 Rb8 Rc3 Rc8 Rxc8+ Bxc8 c3 Qb7 Qe1 Bd7 Qf1 Bc8 Qf2 Qb6 Kc2 Bd7 Qf1 Bc8 Bd3 Nd7 Qh1 Nf8 Qh2 Bd7 Qe2 Bc8 Kb2 Qb7 Qd1 Bd7 Bc2 Bb5 Qg1 
 31	+0.59 	1.59G	1:09.94	c3 Qb6 Bd3 O-O-O Ka2 Re8 b5 a5 Bc2 Kb8 Bxa4 Nd7 Rxh7 Rhf8 Bc2 Nc5 a4 Rc8 R1h3 Ka7 Kb2 Kb8 Qe2 Ka7 Nf3 Rcd8 Rg7 Rc8 Qe1 Rc7 Rgh7 Ne4 Ng5 Nxg5 fxg5 Qc5 Bd3 Kb8 
 30	+0.48 	1.45G	1:04.14	c3 Qb6 Bd3 O-O-O Ka2 Re8 b5 a5 Bc2 Kb8 Bxa4 Nd7 Rxh7 Rhf8 Bc2 Nc5 a4 Rc8 Kb2 Ka7 R1h3 Ka8 Rh2 Ka7 Rd2 Kb8 Rf2 Ka7 Rf3 Ka8 Rfh3 Ka7 Rg7 Rc7 Rhh7 Ne4 
 29	+0.62 	1.25G	0:54.94	c3 Qb6 Bd3 O-O-O Ka2 Rd7 b5 a5 Bc2 Kb8 Bxa4 Rc7 Bc2 Qc5 R1h3 Nd7 Bb3 Rcc8 Kb2 Qb6 Rxh7 Rhf8 a4 Nc5 Bc2 Ka7 Ka3 Ne4 Bxe4 dxe4 Nb3 Qxe3 Rxe3 Kb6 Nd2 Bd5 Nxe4 
 28	+0.66 	961.9M	0:42.41	c3 Qb6 Bd3 O-O-O Ka2 Bc6 Qe2 Bb7 Qc2 Bc6 Rb1 Bb5 Nxb5 axb5 Qe2 Kb8 Bxb5 Qa7 Bc6 Kc7 Qb5 Nd7 Qxa4 Qxa4 Bxa4 Nb6 Bb5 Nc4 a4 Kb6 Rc1 Rc8 
 27	+0.59 	517.5M	0:22.51	Kb2 Qb6 c3 O-O-O Ka2 Bc6 Qd3 Kc7 Qxa6 Qxa6 Bxa6 Rg8 Be2 Rc8 Kb2 Be8 Rg1 Kb6 Kc2 Rc7 Kd2 Kb7 Bd3 Kb6 Rg2 Rc8 Be2 Kb7 Kc2 Bd7 Rg3 
 26	+0.80 	325.6M	0:14.20	Qd2 Qb6 f5 O-O-O fxe6 Nxe6 Bg4 Kb8 Bxe6 fxe6 Rxh7 Rxh7 Rxh7 Bc8 Rg7 Rd7 Rxg6 Rh7 Ka2 Rf7 Kb2 a5 Ka2 axb4 Qxb4 Qxb4 axb4 Rc7 Ka3 Rc4 Nxe6 Rxc2 Nf4 
 25	+0.65 	262.1M	0:11.41	Qd2 Qb6 f5 O-O-O fxe6 Nxe6 Bg4 Kb8 Bxe6 fxe6 Rxh7 Rxh7 Rxh7 Bc8 Re7 Bd7 Qd3 a5 b5 Ka8 Rg7 Be8 Ka1 Rb8 c4 Rc8 cxd5 exd5 e6 Rc4 Rg8 Qxd4+ Qxd4 Rxd4 Rxe8+ Kb7 
 24	+0.66 	238.2M	0:10.40	Qd2 Qb6 f5 O-O-O fxe6 Nxe6 Bg4 Kb8 Bxe6 fxe6 Rxh7 Rxh7 Rxh7 Bc8 Re7 Bd7 Ka2 Ka8 Qd3 g5 c3 g4 Kb2 a5 b5 Qc5 Rg7 Qb6 Rxg4 Rb8 
 23	+0.55 	230.6M	0:10.07	Qd2 Qb6 f5 O-O-O fxe6 Nxe6 Bg4 Kb8 Bxe6 fxe6 Rxh7 Rxh7 Rxh7 Bc8 Re7 Bd7 Ka2 Qc7 Qd3 Qc8 Kb2 Rh8 Qe3 Rh2 Rg7 Be8 Ne2 Bd7 Rxg6 Qc7 Nc3 Rh5 Qd4 Ka8 Rg8+ Kb7 Rg7 Rxe5 
 22	+0.89 	127.1M	0:05.62	f5 exf5 e6 fxe6 Nxe6 Qe7 Nc7+ Kd8 Qxe7+ Kxe7 Nxa8 Bxa8 Bxa6 d4 Rd1 Ne6 Bb5 Bf3 Rf1 Bd5 Kb2 Kf6 Bxa4 Kg5 Rh2 Bc4 Ra1 h5 
 21	+0.87 	31.0M  	0:01.36	b5 Bc8 Ka2 Qc5 Qd2 a5 Kb2 Rb8 Rc1 Ba6 c4 dxc4 Rxc4 Rxb5+ Nxb5 Qxb5+ Ka1 Qb8 Rxa4 Bxe2 Qxe2 Nd7 Rxa5 
 20	+0.74 	29.2M  	0:01.28	Ka2 Bc8 b5 Qc5 R6h3 a5 Qd2 Bd7 Rb1 Qb6 Rh6 Rb8 Rbh1 Qc5 R1h3 Rc8 Rg3 Qb6 c3 Rc5 Qd1 Rxb5 Nxb5 Bxb5 
 19	+0.79 	21.5M  	0:00.94	Ka2 Bc8 b5 Qc5 R6h3 Qb6 Rb1 a5 Rh6 Rb8 Rd1 Bd7 Qd2 Rc8 c3 Rb8 Qc2 Rc8 c4 dxc4 
 18	+0.74 	20.1M  	0:00.88	Ka2 Bc8 b5 Qc5 R6h3 a5 Rb1 Nd7 Rh6 Rb8 Rbh1 Nf8 R1h3 Bd7 Qd2 Rc8 Rf3 Qb6 Qd1 Rc5 Rfh3 Qc7 Rg3 Qb6 
 17	+0.79 	18.7M  	0:00.82	Ka2 Bc8 c3 Bd7 Qg3 Qb6 Qh4 Rc8 Kb2 a5 b5 Qc5 Rc1 Rb8 Ka2 Qe7 Qg3 
 16	+0.99 	10.3M  	0:00.45	Ka2 Bc8 b5 Qc5 Qd2 axb5 R6h3 Bd7 Rc3 Qa7 Rb1 h5 Rb4 Rd8 Nxb5 Bxb5 Bxb5+ Nd7 
 15	+0.99 	4.68M  	0:00.21	Ka2 Qb6 b5 Qa5 Bd3 Qb6 Rb1 a5 Be2 Rc8 Rd1 Rc5 Qh3 Rc8 
 14	+0.96 	3.17M  	0:00.14	Qd2 Bc8 Ka2 Bd7 b5 Qc5 bxa6 Bc8 Bb5+ Bd7 Qd3 Bxb5 Qxb5+ Qxb5 Nxb5 Kd7 a7 Rg8 Kb2 g5 fxg5 
 13	+1.07 	1.10M  	0:00.05	Qd2 Bc8 Rc1 Bb7 Ka2 Qb6 b5 a5 Rch1 Rc8 c3 Rc5 Kb2 Kd7 Bd3 
 12	+1.00 	1.06M  	0:00.05	Qd2 Bc8 Rc1 Bb7 Ka2 Qb6 b5 Bc8 Qc3 a5 Qe3 Bd7 c4 dxc4 Bxc4 Rc8 Qd2 
 11	+1.06 	776377	0:00.04	Qd2 Bc8 Rc1 Bb7 b5 Qc5 Kb2 Rb8 Rch1 Bc8 R6h3 Qb6 Rc3 Bd7 
 10	+1.26 	313431	0:00.02	Qd2 Bc8 Rd1 Bd7 Qe1 Qb7 Qh4 Rc8 Qg5 
  9	+1.22 	145814	0:00.01	Qd2 Bc8 Ka2 Rb8 R1h3 Qb6 b5 Bd7 
  8	+1.11 	74377  	0:00.00	b5 Rc8 Qd2 a5 R1h3 Qb6 Qe3 Rd8 
  7	+1.15 	62090  	0:00.00	Ka2 Rc8 Kb2 Kd7 b5 
  6	+1.27 	19873  	0:00.00	Bf1 
  5	+0.88 	15110  	0:00.00	Bf1 Rc8 R1h3 Qb6 Bg2 
  4	+1.82 	4491    	0:00.00	R1h3 Ke7 b5 axb5 
  3	+1.96 	3214    	0:00.00	R6h3 Ke7 b5 
  2	+1.54 	2108    	0:00.00	R1h3 Ke7 
  1	+1.13 	968      	0:00.00	b5 
  1	Found 1511 tablebases
[d]1r3n1r/1bqk1p1p/3Np1pR/1P1pP3/p2Q1P2/P7/2P5/1K5R w - - 3 29

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 31	+0.55 	715.3M	0:30.74	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 Qb4 Qxb4+ axb4 g5 c6 gxf4 cxd7+ Kxd7 Rc1 Rc8 Rxc8 Kxc8 Rf6 Kc7 Rxf7+ Kb6 Rxf4 h5 Kb2 Kxb5 Ka3 Bc6 Rf6 Bd7 Rf7 Bc8 Rc7 Ba6 Re7 Bc8 Re8 Bd7 
 30	+0.39 	650.7M	0:27.98	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 Qb4 Qxb4+ axb4 Rf8 Rxh7 d4 c6 Nb6 Kc2 Nd5 Kd3 Nxf4+ Kxd4 Kc7 cxb7 Kxb7 Ra1 Rd8+ Ke4 Nd5 Rxf7+ Kb6 Rg7 Kxb5 Rxg6 Re8 Rh6 Kxb4 Kd3 Nf4+ Ke3 Nd5+ Kd2 Kb5 Rb1+ Kc5 Rh4 Nb6 Ra1 Nc4+ Kc2 Nxe5 
 29	+0.63 	423.0M	0:18.14	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 c6 Nb6 Qb4 Qxb4+ axb4 d4 Rxh7 Rf8 Rh8 Rxh8 Rxh8+ Kc7 cxb7 Kxb7 Kc2 Nd5 Kd3 Nxf4+ Kxd4 g5 Rf8 Kb6 Rxf7 Kxb5 Rb7+ Ka6 Rb8 Ka7 Rb5 g4 
 28	+0.51 	369.7M	0:15.86	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 Qb4 Qxb4+ axb4 Rf8 c6 Kc7 Rxh7 Bc8 cxd7 Bxd7 Kb2 Bxb5 Rh8 Rxh8 Rxh8 d4 Rf8 Bc4 Rxf7+ Kb6 Rg7 d3 Kc3 a3 Rxg6 a2 Rg1 Kb5 Rd1 Bd5 Ra1 Kb6 Kd2 Kb5 Kxd3 Kxb4 
 27	+0.52 	310.1M	0:13.27	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 Qb4 Qxb4+ axb4 Rf8 Rxh7 Kc7 c6 Bc8 cxd7 Bxd7 Kb2 Bxb5 Rh8 Rxh8 Rxh8 d4 Rf8 Bc4 Rxf7+ Kb6 Rg7 Kb5 Rb7+ Kc6 Rb8 Bd5 Rc8+ Kb5 Ka3 Bc6 Rd8 Bd5 
 26	+0.74 	223.9M	0:09.49	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 c6 Nc5 Qb4 Qxb4+ axb4 Nd3 Rxh7 Rf8 Rh8 Rxh8 Rxh8+ Kc7 cxb7 Kxb7 Rh7 Kb6 Rxf7 Kxb5 Rf6 Kxb4 Rxe6 Nxf4 Rf6 Nh5 Rf8 Ng7 Rf7 Ne6 Rf6 Nc7 e6 
 25	+0.37 	136.9M	0:05.79	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 c6 Nb6 cxb7+ Kxb7 Rxh7 Rf8 Qd4 Qxb5+ Ka1 Qc4 Qb2 Ka6 Rc1 Qb5 Rc7 Qxb2+ Kxb2 Nc4+ Kc3 g5 Rcxf7 Rxf7 Rxf7 gxf4 Kb4 Nxe5 Rf6 Nd3+ Kxa4 Nc5+ Kb4 Kb6 
 24	+0.76 	92.6M  	0:03.94	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 c6 Nc5 Qb4 Qxb4+ axb4 Nd3 Rxh7 Rxh7 cxb7+ Kxb7 Rxh7 Kb6 Rxf7 Kxb5 Rf6 Kxb4 Rxe6 Nxf4 Rf6 Nh5 Rxg6 Kc5 Ra6 Nf4 Kc2 d4 e6 Ng6 
 23	+0.81 	76.4M  	0:03.25	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 c6 Nc5 Qb4 Qxb4+ axb4 Nd3 Rxh7 Rxh7 cxb7+ Kxb7 Rxh7 Kb6 Rxf7 Kxb5 Rf6 Kxb4 Rxe6 d4 Rf6 Kc5 Ra6 Kb5 Rd6 Kc5 Rf6 a3 
 22	+0.64 	68.2M  	0:02.90	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 c6 Nc5 Qb4 Qxb4+ axb4 Nd3 Rxh7 Rf8 Rh8 Rxh8 Rxh8+ Kc7 cxb7 Kxb7 Rh7 Kb6 Rxf7 Kxb5 Rf6 Kxb4 Rxe6 Nxf4 Rf6 Nh5 Rxg6 Nf4 Rf6 
 21	+0.56 	31.7M  	0:01.38	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 Qb4 Qxb4+ axb4 d4 c6 Nb6 Rxh7 Rf8 Rh8 Rxh8 Rxh8+ Kc7 cxb7 Kxb7 Rf8 Nd5 Rxf7+ Kb6 Rf6 Kxb5 Rxe6 d3 Rxg6 
 20	+0.54 	24.5M  	0:01.09	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 Qb4 Qxb4+ axb4 Rf8 Rxh7 d4 c6 Nb6 Kc2 Nd5 Kd3 Bxc6 bxc6 Nxb4+ Kxd4 Kc7 Rb1 Nxc6+ Ke4 Ne7 Rh2 Nd5 Kf3 a3 Rc2+ Kd7 Rb7+ Kd8 
 19	+0.73 	9.39M  	0:00.42	c4 Rc8 Nxc8 Kxc8 c5 Qa5 Qb2 Nd7 c6 Nb6 Rxh7 Rxh7 Rxh7 Nc4 cxb7+ Kb8 Qb4 Qxb4+ axb4 Kxb7 Rxf7+ Kb6 Rf6 Kxb5 
 18	+0.45 	7.07M  	0:00.32	c4 Ba8 Rc1 Qb6 c5 Qa5 Rh2 Bc6 Rb2 Rxb5 Nxb5 Bxb5 c6+ Bxc6 Rb6 Ke7 Rbxc6 Nd7 f5 
 17	+0.34 	4.61M  	0:00.20	c4 Ba8 Rc1 Qb6 c5 Qa5 b6 Rg8 Nxf7 Qb5+ Ka1 Bc6 Rh2 h5 Nd6 Qa6 Rf2 Rg7 Rb2 
 16	+0.63 	1.66M  	0:00.07	Nxf7 Ba6 Nxh8 Ke8 Ka1 Bxb5 Rb1 Qxc2 Rhh1 Qc7 Qb4 Qe7 Qxe7+ Kxe7 Rb4 d4 Rxd4 Rc8 
 15	+0.28 	1.58M  	0:00.07	Nxf7 Ba6 Nxh8 Ke8 b6 Qxb6+ Qxb6 Rxb6+ Ka2 Rc6 R6h2 Rc4 Rf2 Rc3 Rh4 Bc4+ Kb2 Re3 Rh6 Bb5 Rg2 Bc4 
 14	+0.49 	803609	0:00.04	Nxf7 Ba6 Nxh8 Ke8 Ka1 Bxb5 Rb1 Qxc2 Rhh1 Nd7 Qb2 Qb3 Qxb3 axb3 Rxh7 Bd3 Rb2 Kd8 Rd2 
 13	+0.66 	518102	0:00.02	Nxf7 Ba6 Nxh8 Ke8 Ka1 Bxb5 Rb1 Qxc2 Rhh1 Nd7 Rbc1 Qd3 Qxd3 Bxd3 Rxh7 Rb3 
 12	+0.45 	476647	0:00.02	Nxf7 Ba6 Nxh8 Ke8 b6 Qxb6+ Qxb6 Rxb6+ Kc1 Rc6 Kd2 Rc4 R6h4 Rd4+ Kc1 Rc4 Kb2 h5 c3 Ke7 
 11	+0.79 	161053	0:00.01	Nxf7 Rg8 Nd6 Rg7 c4 Ba8 c5 Qa5 b6 Bc6 
 10	+0.83 	116300	0:00.01	Nxf7 Rg8 Nd6 Rg7 c4 Ba8 c5 Qa5 b6 Bc6 Rc1 
  9	+0.83 	106889	0:00.01	Nxf7 Rg8 Nd6 Rg7 c4 Ba8 c5 Qa5 
  8	+0.99 	42460  	0:00.00	c4 dxc4 Nxb7+ Ke7 Nd6 c3 Kc2 
  7	+0.55 	33743  	0:00.00	Nxf7 Ba8 Nxh8 Rxb5+ Ka1 Kc8 Rb1 
  6	+0.37 	28305  	0:00.00	c4 f6 c5 fxe5 fxe5 Ba8 
  5	+0.61 	13891  	0:00.00	c4 Ba8 c5 Qc6 R1h3 
  4	+4.43 	10550  	0:00.00	R1h3 Ra8 Rc3 Rc8 Nxc8 Kxc8 Rxc7+ Kxc7 
  3	+0.35 	4291    	0:00.00	b6 Ba6 Qxa4+ Qc6 
  2	+1.27 	2148    	0:00.00	b6 Bc8 
  1	+1.03 	889      	0:00.00	b6 
  0	#
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MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Re: interesting TCEC game

Post by MikeB »

Dann Corbit wrote: ↑Fri Dec 21, 2018 8:54 pm
chrisw wrote: ↑Fri Dec 21, 2018 7:56 pm 19. h4 was deep. In view of what follows, can black capture it at all?
[d]rn2k2r/1b2qp1p/p3p1p1/3pP3/pP1N4/P3Q3/2P1BP1P/1K1R2R1 w kq - bm h4;
Indeed, it takes SF 39 plies to see it.
Alas, I would never have played that move in a million years, even though it is the best one.

Code: Select all

Searching: rn2k2r/1b2qp1p/p3p1p1/3pP3/pP1N4/P3Q3/2P1BP1P/1K1R2R1 w kq - 0 1
infinite: 0 time: 0 increment: 0 moves to go: 0

 1   +2.88   00:00     342  b5 
 2   +1.32   00:00   19431  f4 Nd7 
 3   +2.22   00:00   43100  Qh6 Nc6 Qg7 Nxd4 Rxd4 
 4   +1.29   00:00   71973  f3 O-O Qh6 Nd7 f4 
 5   +1.06   00:00  103770  Rg3 Nd7 f4 O-O Rdg1 Rfc8 
 6   +0.95   00:00  136127  b5 Nd7 f4 O-O Qh3 axb5 
 7   +1.14   00:00  210219  Rg3 Nd7 f4 O-O Rh3 Rac8 Rg1 
 8   +0.37   00:00  258016  f4 Nc6 b5 Nxd4 Qxd4 axb5 Bxb5+ Kf8 Rg3 
 9   +0.32   00:00  340422  Qh6 Nc6 h4 Nxd4 Rxd4 Rc8 Qg7 Kd7 
10   +0.49   00:00  364420  Qh6 Nc6 h4 Nxd4 Rxd4 Kd7 Qe3 Rac8 c4 
11   +0.55   00:00  415023  Qh6 Nc6 Nxc6 Bxc6 Qg7 Kd7 Rg3 Rag8 Qh6 Ra8 Rc3 
12   +0.71   00:00  584854  Rg3 Nd7 f4 O-O Rdg1 Rfc8 Rh3 a5 b5 Kh8 Rd1 
13   +0.64   00:00  851581  Qh6 Nc6 c4 Nxd4 Rxd4 O-O-O c5 Kb8 Qe3 Ka7 Kb2 Bc6 Rc1 Bb5 
14   +0.33   00:00   2190K  Qh6 Qf8 Qf4 Qe7 Rg3 O-O Rc3 Nd7 Rc7 Rab8 b5 Ba8 Ka2 axb5 Bxb5 Rb7 
15   +0.16   00:00   2621K  Qh6 Qf8 Qe3 Qe7 Rg3 O-O Qh6 Nc6 Rh3 f6 Nxe6 Rf7 Nf4 Nxe5 Nxd5 Bxd5 Rxd5 Qe6 
16   +0.40   00:00   3730K  Rg3 O-O Qh6 Nc6 Rh3 f6 Nxe6 Rf7 Nf4 Nxe5 Nxd5 Bxd5 Rxd5 Qe6 Rc5 Rc8 Rxc8+ Qxc8 Kb2 g5 
17   +0.25   00:00   5576K  Rg3 Qc7 Qh6 Nc6 Nxc6 Bxc6 Qg7 Rf8 Rc3 Qb7 Qxh7 O-O-O Qh4 Kb8 Qd4 Rc8 h4 Bb5 Bxb5 axb5 Kb2 Rxc3 
18   +0.38   00:00   6378K  Rg3 Nc6 b5 Nxd4 Rxd4 O-O b6 Rac8 Rxa4 Rc6 Rb4 Rfc8 Rb2 Kg7 Qd4 Rc5 a4 h5 Rf3 R5c6 Qe3 
19   +0.52   00:00   9538K  Qh6 Nc6 Rg3 Qf8 Qe3 Qe7 b5 Nxd4 Rxd4 O-O b6 Rac8 Rxa4 Rc6 Rb4 Rfc8 Rb2 a5 Qh6 f5 exf6 Qxf6 Rh3 
20   +0.25   00:01  16371K  Qh6 Nc6 Rg3 Qf8 Qe3 Qe7 b5 Na5 Qh6 Nc4 Ka2 Rc8 b6 Nxb6 Qg7 Rf8 Qxh7 Nc4 f4 Qc5 Rc3 Kd7 Bxc4 dxc4 Nb5+ Bd5 Nd6 
21   +0.00   00:02  25444K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Bxc4 dxc4 b6 c3 Qxc3 Bd5+ Ka1 O-O Rh3 Bg2 Rg3 
22   +0.00   00:03  34957K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Bxc4 dxc4 b6 Bd5 c3 O-O Rb1 Rab8 Ne2 Bc6 Nd4 
23   +0.00   00:04  41385K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Bxc4 dxc4 b6 Rd8 Qh6 Qf8 Qh4 Qe7 
24   +0.20   00:04  48106K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Bxc4 dxc4 b6 Rd8 c3 O-O f4 Qc5 Rb1 Rd7 Rh3 h5 Rg3 Rb8 Rgg1 Rd5 Rb2 Rdd8 Rb4 Kh7 f5 exf5 e6 
25   +0.00   00:06  65783K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rc3 Qf8 Qf4 Qe7 
26   +0.00   00:07  68780K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rc3 Qf8 Qh4 Qe7 
27   +0.00   00:08  83970K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Bxc4 Rxc4 Qg7 Rf8 Rf3 axb5 c3 Kd7 Qxh7 Rcc8 Rb1 Ba6 Qg7 Rb8 Rf6 Rbc8 Rf3 
28   +0.00   00:10  99812K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Bxc4 Rxc4 Rf3 axb5 Qg7 Rf8 c3 Bc6 Kb2 Bd7 Qxh7 Qg5 Qg7 Qe7 
29   +0.00   00:11 113520K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rb1 Qc5 Qf4 Qe7 
30   +0.00   00:12 122645K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rc3 Qf8 Qh3 Qe7 Bxc4 dxc4 bxa6 Bxa6 Qh6 Qf8 Qxf8+ Kxf8 Rb1 Rc7 Rb6 Bb7 Nb5 Re7 Nd6 Bd5 Ra6 Kg7 Rxa4 Rd8 
31   +0.00   00:13 127763K  Rg3 Nc6 b5 Na5 Qh6 Nc4 Ka2 Rc8 Rc3 Qf8 Qg5 Qe7 
32   +0.00   00:17 170479K  Rg3 Nc6 b5 Na5 Qh6 Nc4 Ka2 Rc8 Rc3 Qf8 Qg5 Qe7 
33   +0.36   00:37 368845K  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rb1 Qc5 Qf4 axb5 Rxb5 Qc7 Rb4 Bc6 Bxc4 dxc4 c3 Bd7 Qg5 h5 Rg1 Qd8 Qf4 O-O Rb7 Rc7 Rgb1 Kh7 Rb8 Qe7 h4 Rc5 R8b7 Kg8 Qf6 Qd8 R1b4 Rd5 Rxc4 
34   +0.33   01:20 809049K  Rg3 Nc6 b5 Na5 Qh6 Nc4 Ka2 Rc8 Rb1 Qc5 Qf4 axb5 Rxb5 Qc7 Rb4 Bc6 Bxc4 dxc4 h4 O-O c3 Qe7 h5 Kg7 Rg1 Kg8 f3 Kg7 Qh2 Rfd8 h6+ Kg8 Qf4 Bd5 Rgb1 Rf8 Qe3 f6 
35   +0.26   02:16   1356M  Rg3 Nc6 b5 Na5 Qh6 Nc4 Ka2 Rc8 Rb1 Qc5 Qf4 axb5 Rxb5 Qc7 Rb4 Bc6 Bxc4 dxc4 h4 O-O c3 Qe7 h5 Kh8 Qe3 Rg8 Nxc6 Rxc6 Rg4 Rcc8 hxg6 fxg6 Rxa4 Qb7 Rb4 Qh1 Rd4 Rcf8 Rb1 Qf3 a4 Qxf2+ Qxf2 Rxf2+ Rb2 Rxb2+ Kxb2 Kg7 Rxc4 
36   +0.25   02:42   1620M  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rb1 Qc5 Qf4 Qe7 b6 h6 h4 g5 hxg5 hxg5 Qxg5 Qxg5 Rxg5 Rh4 Bxc4 dxc4 Nxe6 fxe6 Rg7 Bd5 b7 c3+ Ka1 Bxb7 Rbxb7 Kf8 Rgf7+ Kg8 Ka2 Re4 Rg7+ Kh8 Rgc7 Rxc7 Rxc7 Rxe5 Rxc3 Re2 Rc4 Kg7 Kb2 Rxf2 Rxa4 
37   +0.12   03:52   2336M  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rb1 Qc5 Qf4 Qe7 b6 Rf8 Bxc4 dxc4 c3 f6 Re3 fxe5 Qxe5 Rxf2+ Rb2 Rxb2+ Kxb2 Kf7 Nxe6 Kg8 Nc7 Qxe5 Rxe5 Kf7 Rc5 Rd8 Rxc4 Rd6 Rb4 a5 Rb5 Rd2+ Kc1 Rxh2 Rxa5 Rh1+ Kc2 Be4+ Kd2 Rb1 Ra6 Bf5 Nd5 
38   +0.13   04:52   2945M  Rg3 Nc6 b5 Na5 Ka2 Nc4 Qh6 Rc8 Rb1 Qc5 Qf4 Qe7 b6 h6 h4 g5 hxg5 hxg5 Qxg5 Qxg5 Rxg5 Ke7 Bd3 Nd2 Rb4 Ne4 Bxe4 dxe4 Kb2 Rh2 Rg3 Rxf2 Rc3 Rxc3 Kxc3 f6 Rc4 fxe5 Nc6+ Kd7 Na5 Bd5 Rc7+ Kd6 Nc4+ Bxc4 Rxc4 Rf8 Rxe4 Rb8 b7 Rxb7 Rxa4 Rf7 Rxa6+ Kd5 
39   +0.22   06:28   3924M  h4 Nc6 Nf3 Rb8 Ka2 Rc8 c3 Qc7 Rc1 d4 cxd4 Qd8 d5 exd5 Nd4 Nxd4 Qxd4 O-O h5 Qe7 Rxc8 Bxc8 Kb2 Qe6 Bg4 Qe7 Bf3 Be6 Be2 Qb7 Rc1 Ra8 Bd3 Rc8 Rxc8+ Qxc8 hxg6 fxg6 f3 Kf7 Qh4 Kg7 
40   +0.30   09:13   5582M  h4 Nc6 Nf3 Rb8 Ka2 Qc7 Rc1 Ne7 Nd4 Nc6 Nxc6 Bxc6 Bxa6 Bb5 Bxb5+ Rxb5 Qe2 Rb8 c4 dxc4 Rxc4 Qb7 h5 O-O Rgc1 Qd5 Kb1 Rfd8 h6 Kf8 Qe3 Ke8 R4c3 Rb7 f4 Rbd7 Rc8 Qb7 Rxd8+ Rxd8 Qc5 Qf3 Qc6+ Qxc6 Rxc6 
41   +0.23   11:22   6892M  h4 Qxh4 Rh1 Qd8 Rh6 Nc6 Rdh1 Qb6 c3 O-O-O Rxh7 Rhf8 Bd1 Nxd4 Bxa4 a5 Qxd4 Kc7 Rc1 Ba6 Kb2 Rc8 Bb3 Kb7 Qf4 Qc7 Rh4 Qd8 Qg3 Bc4 Bxc4 Rxc4 Rxc4 dxc4 Qf3+ Qd5 Qxd5+ exd5 Rh1 Kb6 f4 axb4 axb4 Kb5 Rd1 Rd8 Kc2
Final Release version of McCain-X ( pronounce "ten") 4 cores 4 threads

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 36	+0.19!	902.9M	2:33.41	h4! 
 35	+0.13 	830.1M	2:21.11	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rd2 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bxa4 Rc7 Bb3 Rf8 Rdd4 f6 exf6 Rxf6 hxg6 hxg6 f4 Rcf7 c3 Ka7 a4 Ba6 c4 Rc7 cxd5 exd5 Rh3 Bc4 Rc3 Rb7 Ka3 Rxb3+ Rxb3 Bxb3 Kxb3 Kb6 Kb4 
 34	+0.12 	687.9M	1:56.78	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rd2 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bxa4 Rf8 hxg6 hxg6 Bb3 f6 exf6 Rxf6 f4 Bc6 Rd4 Kc7 Rh8 Kd6 a4 Bd7 Rd8 Rc8 Rxc8 Bxc8 c4 Bb7 cxd5 exd5 a5 Kc5 Kc3 Bc6 a6 Kb6 
 33	+0.16!	568.6M	1:36.70	h4! 
 33	+0.10?	558.4M	1:34.93	h4 Nc6? 
 32	+0.16 	438.9M	1:14.73	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rd2 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bxa4 Rf8 hxg6 hxg6 Rdd4 Rc7 Bb3 Rfc8 Rh3 Ba6 Ra4 Ka7 Rh7 Rb7 Rf4 Rcc7 Rb4 Rb8 Ra4 Kb6 Rhh4 
 32	+0.14?	413.2M	1:10.33	h4 Nc6? 
 32	+0.20?	391.1M	1:06.64	h4 Nc6? 
 31	+0.26 	318.0M	0:54.41	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rd2 axb5 Bxb5 Qc5 Bxa4 Qxe3 fxe3 Rhf8 Bb5 Kc7 hxg6 hxg6 Bd3 Bc6 Rf2 Rb8+ Kc1 Ra8 Rh7 Rxa3 Rfxf7+ Rxf7 Rxf7+ Kd8 Rf6 g5 
 31	+0.24!	289.7M	0:49.64	h4! 
 31	+0.17!	280.7M	0:48.11	h4! 
 30	+0.11 	252.1M	0:43.25	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rc1 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bd3 d4 hxg6 fxg6 Rxd4 Rxe5 Rxa4 Rf8 f4 Re3 Rb1 Rf7 Kc3 Kc8 Kd2 Rh3 Rab4 Rc7 
 29	+0.09 	227.8M	0:39.18	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rc1 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bd3 d4 hxg6 fxg6 Rxd4 Rxe5 Rxa4 Rf8 f4 Re3 Rb1 Rf7 Kc3 Rh3 Ra6 Kc7 Rxe6 Bd5 Re5 Kd6 Rb6+ Kc7 
 28	+0.04 	207.7M	0:35.79	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rc1 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bxa4 Rhc8 hxg6 hxg6 Rb4 Rc4 Bb5 R4c7 Bd3 Rh8 Rg1 Ka7 Kb1 Rh2 
 28	+0.05?	201.0M	0:34.68	h4 Nc6? 
 28	+0.11?	194.5M	0:33.60	h4 Nc6? 
 27	+0.16!	161.3M	0:27.95	h4! 
 27	+0.08?	158.5M	0:27.49	h4 Nc6? 
 27	+0.17?	138.6M	0:24.07	h4 Nc6? 
 27	+0.24?	137.3M	0:23.85	h4 Nc6? 
 26	+0.30 	127.2M	0:22.14	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 c3 axb5 Bxb5 Qc5 Bxa4 Rhf8 Qxc5 Rxc5 Rb4 gxh5 Bc2 Rc4 
 26	+0.35!	122.8M	0:21.40	h4! 
 26	+0.12!	76.5M  	0:13.46	h4! 
 26	+0.02?	65.6M  	0:11.60	Rg3 Nc6? 
 26	+0.15?	56.9M  	0:10.11	Rg3 Nc6? 
 26	+0.24?	44.2M  	0:07.82	Rg3 Nc6? 
 26	+0.30?	43.4M  	0:07.68	Rg3 Nc6? 
 25	+0.36 	36.3M  	0:06.42	Rg3 Nc6 b5 Na5 Ka2 Nc4 Bxc4 dxc4 b6 O-O-O Qf4 Rhf8 Rc3 Bd5 Rb1 Kb7 Qe3 f6 Nf3 f5 Qf4 Ra8 Rb4 Rfb8 Nd4 Rf8 Qe3 
 25	+0.34!	34.4M  	0:06.07	Rg3! 
 25	+0.21!	32.3M  	0:05.71	Rg3! 
 25	+0.12!	31.8M  	0:05.62	Rg3! 
 25	+0.06!	31.0M  	0:05.48	Rg3! 
 24	  0.00 	28.7M  	0:05.07	Rg3 Nc6 b5 Na5 Ka2 axb5 Bxb5+ Kf8 Qh6+ Kg8 Rc3 Nc4 Bxc4 dxc4 Rb1 Bd5 Nb5 Qf8 Qf4 Qe7 
 24	+0.34!	27.2M  	0:04.81	Rg3! 
 24	+0.21!	26.2M  	0:04.62	Rg3! 
 24	+0.12!	23.8M  	0:04.19	Rg3! 
 24	+0.06!	22.9M  	0:04.04	Rg3! 
 23	  0.00 	17.4M  	0:03.06	Qh6 Nc6 Rg3 Qf8 Qe3 Qe7 
 22	  0.00 	14.8M  	0:02.61	Qh6 Nc6 Rg3 Qf8 Qe3 Qe7 
 21	+0.01 	12.6M  	0:02.23	Qh6 Nc6 Rg3 Qf8 Qe3 Qe7 b5 Na5 Qh6 Nc4 Ka2 Rc8 Rc3 Qf8 Qxf8+ Kxf8 Bxc4 Rxc4 Rxc4 dxc4 Kb2 axb5 Nxb5 Ke7 Nd6 Bd5 Kc3 Ra8 
 20	+0.06 	9.65M  	0:01.72	Qh6 Nc6 Rg3 Qf8 Qe3 Qe7 b5 Na5 Qh6 Nc4 Ka2 Rc8 Qg7 Rf8 Rf3 axb5 Nxb5 Qc5 Nd4 Ba6 Bxc4 Bxc4+ Ka1 Rb8 
 19	+0.11 	8.73M  	0:01.56	Qh6 Nc6 Rg3 Qf8 Qe3 Qe7 b5 Na5 Qh6 Nc4 Rc3 Nxa3+ Ka2 Nc4 Bxc4 dxc4 Nc6 Bxc6 bxc6 Qb4 Qg7 Rf8 
 18	+0.19 	5.99M  	0:01.08	Rg3 Nc6 b5 Na5 Ka2 O-O b6 Rac8 Rh3 f6 f4 Nc4 Bxc4 Rxc4 Rd2 Rfc8 exf6 Qxf6 Qxe6+ Qxe6 Nxe6 
 17	+0.24 	3.63M  	0:00.66	Rg3 Nc6 b5 Nxd4 Rxd4 O-O b6 Rac8 Rxa4 Rc6 Rb4 Rfc8 Rb2 Rc5 Qf4 Ra5 Qf6 Qc5 
 16	+0.32 	2.23M  	0:00.41	Rg3 Nc6 b5 Nxd4 Rxd4 O-O b6 Rfc8 Rxa4 a5 Rf4 Ba6 Rgf3 Bxe2 Qxe2 Qb7 Rb3 
 15	+0.20 	1.75M  	0:00.32	Rg3 Nc6 b5 Nxd4 Rxd4 axb5 Bxb5+ Kf8 Qh6+ Kg8 Rc3 Rc8 Rxc8+ Bxc8 Rxa4 Qc5 Bd3 Qxf2 Ra8 Qe1+ Ka2 Qc3 Qf4 Kg7 Rb8 
 14	+0.26 	1.09M  	0:00.20	Qh6 Qf8 Qe3 Qe7 Rg3 Nc6 b5 Nxd4 Rxd4 Qc5 Rxa4 Qxe3 Rxe3 axb5 
 13	+0.17 	725113	0:00.13	Qh6 Qf8 Qe3 Qe7 Rg3 Nc6 b5 Nxd4 Rxd4 Qc5 Rxa4 Qxe3 Rxe3 axb5 Rxa8+ Bxa8 
 12	+0.47 	382978	0:00.07	Qh6 Qf8 Qe3 Qe7 h4 Qxh4 Kb2 Nd7 f4 O-O Rh1 Qd8 
 11	+0.89 	132714	0:00.03	f4 Nd7 h4 h5 Rg5 a5 f5 gxf5 bxa5 Rxa5 Bxh5 
 10	+0.69 	64981  	0:00.01	f4 Nd7 Rg3 Rc8 f5 exf5 b5 a5 e6 Nf6 
  9	+0.80 	23814  	0:00.01	f4 Nd7 b5 O-O bxa6 Rxa6 Bxa6 Bxa6 
  8	+0.68 	17558  	0:00.00	Qh6 Nc6 Nxc6 Bxc6 Qg7 O-O-O Bxa6+ Kc7 f4 
  7	+0.84 	9872    	0:00.00	b5 Nd7 bxa6 Bxa6 Bb5 Bxb5 Nxb5 
  6	+0.84 	7765    	0:00.00	b5 Nd7 bxa6 Bxa6 Bb5 Bxb5 
  5	+2.47 	2783    	0:00.00	b5 h6 bxa6 Bxa6 Bb5+ Bxb5 
  4	+2.88 	1375    	0:00.00	b5 h6 b6 h5 
  3	+3.54 	680      	0:00.00	b5 a5 b6 
  2	+3.39 	493      	0:00.00	b5 a5 
  1	+3.01 	256      	0:00.00	b5 
  0	#

Code: Select all

dep	score	nodes	time	(not shown:  tbhits	knps	seldep)
 33	+0.26 	2.15G	1:38.06	h4 Qxh4 Rh1 Qd8 Rh6 Nc6 Rdh1 Qb6 c3 O-O-O Rxh7 Rhf8 Bd1 a5 Bxa4 Nxd4 Qxd4 Qxd4 cxd4 axb4 Rc1+ Kb8 axb4 Rc8 Rxc8+ Kxc8 Kc2 Kc7 Rh3 Kb6 Rc3 g5 Kb3 g4 Rc5 f6 Rb5+ Kc7 exf6 Rxf6 Rc5+ Kb6 
 33	+0.20!	1.79G	1:21.80	h4! 
 33	+0.09?	1.73G	1:18.72	h4 Nc6? 
 33	+0.22!	1.52G	1:09.40	h4! 
 33	+0.15?	1.38G	1:02.65	h4 Nc6? 
 32	+0.22 	1.12G	0:50.86	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rd2 axb5 Bxb5 Qa5 Rb4 gxh5 f4 Qa7 Qxa7+ Kxa7 Rxa4+ Kb6 Rb4 Ka5 Rh2 Ba6 Bxa6 Kxa6 Rxh5 Rc7 c3 h6 f5 Ka5 Rbh4 Rhc8 Rh3 exf5 Rxf5 Kb5 Rf4 
 32	+0.16!	1.07G	0:48.38	h4! 
 32	+0.10?	1.06G	0:47.85	h4 Nc6? 
 31	+0.16 	837.1M	0:37.86	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rd2 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bxa4 Ba6 Rb4+ Ka7 Bb3 Rhc8 Ra4 gxh5 Rh4 Rb5 Rxh5 Rc4 Rd3 Rf4 Rdh3 Rxf2 Rxh7 
 31	+0.17?	578.6M	0:26.10	h4 Nc6? 
 30	+0.30!	367.0M	0:16.48	h4! 
 30	+0.23!	340.4M	0:15.27	h4! 
 29	+0.17 	282.3M	0:12.71	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rd2 axb5 Bxb5 gxh5 Rxa4 Qc5 Qxc5 Rxc5 Rb4 Rhc8 Be2 R5c7 Bxh5 Rg8 Rh4 Rg5 f4 Rg3 Be2 Rg2 Rxh7 Rf2 c3 Rxf4 
 29	+0.14!	261.8M	0:11.80	h4! 
 28	+0.08 	236.2M	0:10.66	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 c3 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bxa4 Rhc8 hxg6 hxg6 Rd3 Ba6 Rdh3 Ka7 Rb4 R5c7 Bb5 Bxb5 Rxb5 Ka6 Rb4 Rb7 Rxb7 Kxb7 
 27	+0.05 	219.1M	0:09.90	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 c3 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bxa4 Rf8 Rd3 Ba6 Rb4+ Ka7 Rh3 Rc7 Bd1 Bc4 Rg3 Rcc8 Bb3 
 26	+0.07 	155.6M	0:07.08	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rc1 axb5 Bxb5 Rhd8 hxg6 hxg6 Bxa4 Qc5 Qxc5 Rxc5 Rf4 Rc4 Rxc4 dxc4 Kc3 Kc7 Ra1 Be4 Bb5 Rd5 Bxc4 Rxe5 
 25	+0.10 	136.9M	0:06.22	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rc1 axb5 Bxb5 Rhd8 hxg6 Qc5 Qxc5 Rxc5 gxh7 Rxb5+ Kc3 Rc5+ Kd2 Rcc8 Rch1 d4 h8=Q Rxh8 Rxh8 Bxh1 Rxh1 Kb7 Rh7 
 25	+0.13!	136.6M	0:06.20	h4! 
 25	+0.07?	135.7M	0:06.16	h4 Nc6? 
 24	+0.13 	107.9M	0:04.92	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 c3 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bxa4 Rc7 Rd3 Ba6 Rb4+ Ka7 Rg3 Rf8 Bd1 gxh5 
 24	+0.12!	107.7M	0:04.91	h4! 
 24	+0.06!	107.4M	0:04.89	h4! 
 23	  0.00 	104.9M	0:04.78	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 c3 axb5 Bxb5 Qc5 Qxc5 Rxc5 Bxa4 Rf8 Rf4 Rc7 h6 Rfc8 Bb3 Ba6 Ra4 Be2 Rc1 Kb7 Rb4+ Ka7 Ra4+ 
 23	+0.08?	93.1M  	0:04.26	h4 Nc6? 
 23	+0.21!	87.0M  	0:03.99	h4! 
 22	+0.14 	82.1M  	0:03.78	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rc1 axb5 Bxb5 Qc5 Bd3 Qxe3 fxe3 Bc6 Rf1 Rhf8 hxg6 hxg6 Rhf4 g5 Rg4 Kc7 Rxg5 Kd7 Rg7 Rb8+ Ka2 
 21	+0.16 	69.4M  	0:03.20	h4 Nc6 h5 Qc7 Rh1 O-O-O Nxc6 Qxc6 Rh4 Kb8 Kb2 Qc7 b5 Rc8 Rc1 axb5 Bxb5 Rhd8 Rxa4 Qc5 Qxc5 Rxc5 Bd3 Kc7 hxg6 hxg6 Rb1 
 21	+0.13!	67.8M  	0:03.13	h4! 
 20	+0.07 	66.7M  	0:03.08	h4 Nc6 h5 Qc7 Rh1 Rg8 hxg6 hxg6 Rh7 Qxe5 Nxe6 Qxe6 Qxe6+ fxe6 Rxb7 Rf8 Bg4 Nd8 Rg7 Rxf2 Rxg6 Kf7 Rh6 Ke7 
 19	+0.12 	45.1M  	0:02.11	h4 Nc6 h5 Qc7 Rh1 Qxe5 hxg6 Qxe3 fxe3 Nxd4 gxf7+ Kxf7 exd4 h6 Rdg1 Bc6 Rg2 Ke7 Rg6 Bb5 Bg4 Bd7 Rhxh6 Rxh6 Rxh6 Rg8 Bh3 Kd6 Kb2 
 18	+0.14 	24.6M  	0:01.18	Rg3 Nc6 b5 Na5 Ka2 axb5 Bxb5+ Kf8 Qh6+ Kg8 Rb1 Qc7 Qf4 Ba6 Bxa6 Rxa6 Rf3 Ra8 Rb4 h5 Rxa4 
 17	+0.37 	8.73M  	0:00.41	Rg3 Nc6 b5 Nxd4 Rxd4 axb5 Bxb5+ Kf8 Qh6+ Kg8 Rc3 f5 Rb4 Kf7 Bxa4 Ba6 Rf3 Bc4 Rh3 Rac8 f4 
 16	+0.38 	6.60M  	0:00.31	Rg3 O-O Qh6 Nc6 Rh3 f6 Nxe6 Rf7 Nf4 Nxe5 Nxd5 Bxd5 Rxd5 Qe6 Rc5 Ng4 Qd2 Ne5 
 15	+0.21 	5.38M  	0:00.26	Rg3 O-O Qh6 Nc6 Rh3 f6 Nxe6 Rf7 Nf4 Nxe5 Nxd5 Bxd5 Rxd5 Qe6 Rc5 Rd8 Re3 Qd7 Qh3 Qb7 Qe6 Kh8 
 14	+0.20 	4.60M  	0:00.22	Rg3 O-O Qh6 Nc6 Rh3 f6 Nxe6 Rf7 Nf4 Nxe5 Nxd5 Bxd5 Rxd5 Qe6 Ra5 Rc7 
 13	+0.11 	2.60M  	0:00.12	Qh6 Nc6 Nxc6 Bxc6 c4 Qa7 Qg7 O-O-O Qf6 dxc4 Bxc4 Qb7 Be2 h5 
 12	+0.20 	1.33M  	0:00.06	Qh6 Nc6 Nxc6 Bxc6 Qg7 Kd7 Bxa6 Qf8 Qxf8 Rhxf8 Be2 f6 b5 Bb7 
 11	+0.50 	347446	0:00.02	Qh6 Qf8 Qe3 Qe7 f4 Nc6 Nxc6 Bxc6 Qb6 
 10	+0.44 	316001	0:00.02	Qh6 Qf8 Qh3 Qe7 f4 Nc6 Nxc6 Bxc6 Rd4 O-O 
  9	+0.42 	204701	0:00.01	Qh6 Nc6 Nxc6 Bxc6 c4 f6 f4 Kd7 cxd5 Bxd5 
  8	+0.71 	102283	0:00.01	Qh6 Qf8 Qd2 Nc6 Nxc6 Bxc6 c4 
  7	+0.96 	50167  	0:00.00	Qh6 Qf8 Qf4 Nc6 Nxc6 Bxc6 
  6	+0.94 	22599  	0:00.00	f4 Nc6 b5 Nxd4 Rxd4 O-O 
  5	+2.37 	16138  	0:00.00	b5 h6 f4 Nd7 
  4	+2.24 	11843  	0:00.00	Kb2 Nc6 b5 Nxd4 Rxd4 
  3	+3.13 	3490    	0:00.00	b5 h6 f4 
  2	+3.39 	2319    	0:00.00	b5 a5 
  1	+3.01 	928      	0:00.00	b5 
  0	#
Dann's SF line
41 +0.23 11:22 6892M h4 Qxh4 Rh1 Qd8 Rh6 Nc6 Rdh1 Qb6 c3 O-O-O Rxh7 Rhf8 Bd1 Nxd4 Bxa4 a5 Qxd4 Kc7 Rc1 Ba6 Kb2 Rc8 Bb3 Kb7 Qf4 Qc7 Rh4 Qd8 Qg3 Bc4 Bxc4 Rxc4 Rxc4 dxc4 Qf3+ Qd5 Qxd5+ exd5 Rh1 Kb6 f4 axb4 axb4 Kb5 Rd1 Rd8 Kc2

McCain (with 23 threads /12 cores)
33 +0.26 2.15G 1:38.06 h4 Qxh4 Rh1 Qd8 Rh6 Nc6 Rdh1 Qb6 c3 O-O-O Rxh7 Rhf8 Bd1 a5 Bxa4 Nxd4 Qxd4 Qxd4 cxd4 axb4 Rc1+ Kb8 axb4 Rc8 Rxc8+ Kxc8 Kc2 Kc7 Rh3 Kb6 Rc3 g5 Kb3 g4 Rc5 f6 Rb5+ Kc7 exf6 Rxf6 Rc5+ Kb6
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