To lkaufman: Komodo TB-Bug?

[Paloma]

[pgn][Event "TCEC Season 21 - Sufi Bonus Part2"]
[Site "https://tcec-chess.com"]
[Date "2021.08.09"]
[Round "35.1"]
[White "KomodoDragon 2773.00"]
[Black "Ceres 0.92_69626"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "3593"]
[BlackElo "3623"]
[PlyCount "107"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qe2 h6 8.
Bh4 g5 9. Bg3 b5 10. O-O-O h5 11. h4 g4 12. f3 Qc7 13. Kb1 b4 14. Nd5 Nxd5 15.
exd5 Nf6 16. Qf2 Nxd5 17. Bd3 Nf6 18. Rde1 Rb8 19. Rhf1 Bg7 20. fxg4 Bxg4 21.
Qd2 Kf8 22. Nf5 Bxf5 23. Rxf5 a5 24. Ref1 a4 25. Bf2 e6 26. Rf3 Ng4 27. Bg3 Be5
28. Bg6 f5 29. Rxf5+ exf5 30. Rxf5+ Kg7 31. Qg5 Rh6 32. Be8+ Kh7 33. Rf8 Nf6
34. Rf7+ Qxf7 35. Bxf7 Bxg3 36. Qxg3 Rf8 37. Bc4 Ng4 38. a3 bxa3 39. Qxa3 Ne5
40. Qxa4 Nxc4 41. Qxc4 Rg6 42. b4 Rxg2 43. Qe4+ Rg6 44. b5 Kg7 45. b6 Rgf6 46.
Qg2+ Kh7 47. Qd5 Rb8 48. Qxh5+ Kg7 49. Qg5+ Kf7 50. Qd5+ Kg7 51. Qc6 Rf7 52.
Qxd6 Rfb7 53. c4 Rxb6+ 54. Qxb6 0-1[/pgn]

53.c4 ??
53...Rxb6+ -152.64 by Stockfish
.
.

[pgn][Event "TCEC Season 21 - Sufi Bonus Part2"]
[Site "https://tcec-chess.com"]
[Date "2021.08.07"]
[Round "12.1"]
[White "Ceres 0.92_69626"]
[Black "KomodoDragon 2773.00"]
[Result "1-0"]
[WhiteElo "3623"]
[BlackElo "3593"]
[ECO "B92"]
[PlyCount "159"]
[TimeControl "1800+5"]

1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 O-O 9. g4 Be6 10. g5 Nfd7 11. h4 Nc6 12. Bg4 Qc8 13. Qe2 Bg4 14. Qg4 a5 15. Nd2 a4 16. Nd5 Bd8 17. O-O-O Nd4 18. Bd4 ed4 19. a3 Nb6 20. Qf3 Nd5 21. ed5 b5 22. Qd3 Qc5 23. Ne4 Qd5 24. Nc3 Qc6 25. Qd4 Bb6 26. Qe4 Qe4 27. Ne4 Rae8 28. f3 Bc5 29. Rd5 Re5 30. Rhd1 f6 31. gf6 gf6 32. Nd6 Rd8 33. Rc5 Rc5 34. Rg1 Kf8 35. Nb7 Rdc8 36. Nc5 Rc5 37. Rg4 Kf7 38. Rf4 Ke6 39. Kd2 Rd5 40. Kc3 Rc5 41. Kd3 Rd5 42. Rd4 Rf5 43. Ke3 Rh5 44. c4 bc4 45. Rc4 Ra5 46. Kd4 Kf5 47. Kd3 h5 48. Re4 Rb5 49. Rb4 Ra5 50. Kc3 Ra8 51. b3 ab3 52. a4 b2 53. Kb2 Ke6 54. Ka3 Ke5 55. Rc4 Kd6 56. Kb3 Kd5 57. Kc3 Ke5 58. Kd2 Kd6 59. Rd4 Ke5 60. Rb4 Ra6 61. Ke3 Kd6 62. Kd4 Ra8 63. Kc4 Ke5 64. Kc3 Ra7 65. Re4 Kd5 66. Kb4 Rb7 67. Ka3 Rb1 68. a5 Rf1 69. Rf4 Ke5 70. Ra4 Rf3 71. Kb2 Rd3 72. a6 Rd8 73. a7 Ra8 74. Kc3 f5 75. Kd2 f4 76. Ke2 f3 77. Kf3 Kf6 78. Kf4 Kg7 79. Kg5 Kh7 80. Kh5
[/pgn]
67...Rb1 ??
68.a5 +7.xx by Stockfish

[lkaufman]

[pgn][Event "TCEC Season 21 - Sufi Bonus Part2"]
[Site "https://tcec-chess.com"]
[Date "2021.08.09"]
[Round "35.1"]
[White "KomodoDragon 2773.00"]
[Black "Ceres 0.92_69626"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "3593"]
[BlackElo "3623"]
[PlyCount "107"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qe2 h6 8.
Bh4 g5 9. Bg3 b5 10. O-O-O h5 11. h4 g4 12. f3 Qc7 13. Kb1 b4 14. Nd5 Nxd5 15.
exd5 Nf6 16. Qf2 Nxd5 17. Bd3 Nf6 18. Rde1 Rb8 19. Rhf1 Bg7 20. fxg4 Bxg4 21.
Qd2 Kf8 22. Nf5 Bxf5 23. Rxf5 a5 24. Ref1 a4 25. Bf2 e6 26. Rf3 Ng4 27. Bg3 Be5
28. Bg6 f5 29. Rxf5+ exf5 30. Rxf5+ Kg7 31. Qg5 Rh6 32. Be8+ Kh7 33. Rf8 Nf6
34. Rf7+ Qxf7 35. Bxf7 Bxg3 36. Qxg3 Rf8 37. Bc4 Ng4 38. a3 bxa3 39. Qxa3 Ne5
40. Qxa4 Nxc4 41. Qxc4 Rg6 42. b4 Rxg2 43. Qe4+ Rg6 44. b5 Kg7 45. b6 Rgf6 46.
Qg2+ Kh7 47. Qd5 Rb8 48. Qxh5+ Kg7 49. Qg5+ Kf7 50. Qd5+ Kg7 51. Qc6 Rf7 52.
Qxd6 Rfb7 53. c4 Rxb6+ 54. Qxb6 0-1[/pgn]

53.c4 ??
53...Rxb6+ -152.64 by Stockfish
.
.

[pgn][Event "TCEC Season 21 - Sufi Bonus Part2"]
[Site "https://tcec-chess.com"]
[Date "2021.08.07"]
[Round "12.1"]
[White "Ceres 0.92_69626"]
[Black "KomodoDragon 2773.00"]
[Result "1-0"]
[WhiteElo "3623"]
[BlackElo "3593"]
[ECO "B92"]
[PlyCount "159"]
[TimeControl "1800+5"]

1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 O-O 9. g4 Be6 10. g5 Nfd7 11. h4 Nc6 12. Bg4 Qc8 13. Qe2 Bg4 14. Qg4 a5 15. Nd2 a4 16. Nd5 Bd8 17. O-O-O Nd4 18. Bd4 ed4 19. a3 Nb6 20. Qf3 Nd5 21. ed5 b5 22. Qd3 Qc5 23. Ne4 Qd5 24. Nc3 Qc6 25. Qd4 Bb6 26. Qe4 Qe4 27. Ne4 Rae8 28. f3 Bc5 29. Rd5 Re5 30. Rhd1 f6 31. gf6 gf6 32. Nd6 Rd8 33. Rc5 Rc5 34. Rg1 Kf8 35. Nb7 Rdc8 36. Nc5 Rc5 37. Rg4 Kf7 38. Rf4 Ke6 39. Kd2 Rd5 40. Kc3 Rc5 41. Kd3 Rd5 42. Rd4 Rf5 43. Ke3 Rh5 44. c4 bc4 45. Rc4 Ra5 46. Kd4 Kf5 47. Kd3 h5 48. Re4 Rb5 49. Rb4 Ra5 50. Kc3 Ra8 51. b3 ab3 52. a4 b2 53. Kb2 Ke6 54. Ka3 Ke5 55. Rc4 Kd6 56. Kb3 Kd5 57. Kc3 Ke5 58. Kd2 Kd6 59. Rd4 Ke5 60. Rb4 Ra6 61. Ke3 Kd6 62. Kd4 Ra8 63. Kc4 Ke5 64. Kc3 Ra7 65. Re4 Kd5 66. Kb4 Rb7 67. Ka3 Rb1 68. a5 Rf1 69. Rf4 Ke5 70. Ra4 Rf3 71. Kb2 Rd3 72. a6 Rd8 73. a7 Ra8 74. Kc3 f5 75. Kd2 f4 76. Ke2 f3 77. Kf3 Kf6 78. Kf4 Kg7 79. Kg5 Kh7 80. Kh5
[/pgn]
67...Rb1 ??
68.a5 +7.xx by Stockfish

Yes, the Tb bug was introduced after version 2766 so we will use that one if possible for now.