Stockfish progress after 16.1 (neutral book)

[Jouni]

HERT book 4 cores and 1m + 1s level:

Code: Select all

                                         
1   Stockfish 16.1                   +2/=198/-0 50.50%  101.0/200
2   Stockfish dev-20240723-b55217    +0/=198/-2 49.50%   99.0/200

[Jouni]

Decisive games:
[pgn]
[Event "Regression HERT"]
[Site "?"]
[Date "2024.07.26"]
[Round "48"]
[White "Stockfish 16.1"]
[Black "Stockfish dev-20240723-b55217"]
[Result "1-0"]
[ECO "B90"]
[Annotator "0.78;0.69"]
[PlyCount "143"]
[TimeControl "60+1"]

1. e4 c5 2. Nf3 d6 3. d4
cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Qd2 Nbd7 10. Nd5
Bxd5 11. exd5 Be7 {Both last book move} 12. O-O-O {0.78/28 9} Qc7 {0.69/33 18
(Rc8)} 13. c4 {0.80/26 2} a5 {0.65/29 6 (Nb6)} 14. Kb1 {0.83/23 1} O-O {0.66/
26 1} 15. Na1 {0.66/29 12} a4 {0.68/25 2} 16. a3 {0.82/27 5} Rfc8 {0.65/28 5}
17. Rg1 {0.60/29 9} Rab8 {0.63/26 2} 18. g4 {0.74/24 2} hxg4 {0.67/32 8} 19.
Qg2 {0.80/23 1} b5 {0.54/30 1} 20. cxb5 {0.78/26 1} Nb6 {0.67/30 3} 21. Bxb6 {
0.76/25 1} Qxb6 {0.73/30 2} 22. Nc2 {0.68/27 3} g6 {0.69/27 1} 23. fxg4 {0.71/
26 1} Ne4 {0.62/25 1} 24. Nb4 {0.77/26 3} Bg5 {0.67/25 1} 25. Nc6 {0.81/22 1}
Nd2+ {0.63/25 2 (Qe3)} 26. Ka1 {0.86/22 1} Rb7 {0.63/25 2 (Be3)} 27. h4 {0.78/
26 3} Be3 {0.59/25 1} 28. Rh1 {0.76/26 2} Nxf1 {0.58/25 1} 29. h5 {0.72/27 1
(Rhxf1)} Ng3 {1.16/33 22 (g5)} 30. Qxg3 {0.82/25 1} Qxb5 {1.28/25 2} 31. Qg2 {
0.87/24 1} g5 {1.30/23 1} 32. Rh3 {0.87/25 1 (Rhe1)} Qc5 {0.63/25 2} 33. h6 {
0.86/28 2} Kh8 {0.62/23 1} 34. Qf1 {0.93/25 1} Bf4 {0.60/23 1} 35. Rc3 {0.95/
26 1} Qb6 {0.61/24 1} 36. Rb1 {0.92/25 1 (Qg2)} e4 {1.02/27 6 (Re8)} 37. Qd1 {
0.95/28 9} Qf2 {0.89/22 0 (Re8)} 38. Rc4 {1.13/22 1} Re8 {0.94/27 2 (Qe3)} 39.
Qxa4 {1.18/23 1} Qe3 {1.01/20 0} 40. Nb4 {1.22/23 1} Rbe7 {1.08/20 1} 41. Ka2 {
1.23/31 9 (Rc3)} Qd2 {0.83/20 1} 42. Nc6 {1.27/25 1 (Rc2)} Rb7 {0.84/22 0} 43.
Nb4 {1.27/30 4 (Rd4)} Rbe7 {1.13/24 1} 44. Nc6 {1.17/31 1} Rb7 {1.16/20 1} 45.
Rd4 {1.19/28 1} Qe2 {1.23/25 2} 46. Rb4 {1.29/23 1} Rxb4 {1.25/20 0} 47. Nxb4 {
1.32/22 1} Rc8 {1.21/20 0} 48. Nc6 {1.22/25 1} Qd3 {1.24/22 1} 49. Rd1 {1.30/
24 1 (Qd4+)} Bd2 {1.10/18 0} 50. Qd4+ {1.42/26 3} Qxd4 {1.10/22 1} 51. Nxd4 {
1.15/26 1} e3 {1.05/24 1} 52. Kb3 {1.29/23 1} Kh7 {1.15/26 1 (Rc5)} 53. Rf1 {
1.38/24 1} Rc7 {1.02/23 1} 54. Rf6 {1.48/23 1} Re7 {1.06/26 2} 55. Ne2 {1.34/
26 2} Re4 {1.30/24 2} 56. Kc2 {1.41/28 2} Rxg4 {1.30/22 1} 57. Kd3 {1.49/22 1}
Rh4 {1.52/24 4 (Ra4)} 58. Rxd6 {1.80/20 1} g4 {1.46/24 1 (f5)} 59. b4 {1.96/18
1 (Rc6)} Rh1 {1.89/19 1} 60. Rf6 {2.00/19 1} Ra1 {2.26/22 2} 61. Rxf7+ {2.76/
23 5} Kxh6 {2.21/14 0} 62. d6 {2.82/16 0} Rxa3+ {2.15/21 2} 63. Kc4 {2.96/17 1}
Ra8 {2.27/17 0} 64. Rf4 {2.97/19 0} Kg5 {2.82/20 2} 65. Kd5 {3.08/19 1} Rd8 {
3.30/21 2} 66. Kc6 {3.35/20 0} Rc8+ {3.70/20 1 (g3)} 67. Kb7 {3.78/21 1} Rg8 {
3.83/22 1} 68. d7 {4.13/20 1} Be1 {4.21/22 1} 69. Kc6 {4.54/18 1} Bc3 {4.77/21
2} 70. Re4 {4.87/18 1} Bf6 {4.92/17 0} 71. Re8 {4.94/20 1} Rg6 {5.44/19 2} 72.
Kc7 {5.21/19 1} 1-0

[/pgn]

[pgn]

[Event "Regression HERT"]
[Site "?"]
[Date "2024.07.28"]
[Round "4"]
[White "Stockfish 16.1"]
[Black "Stockfish dev-20240723-b55217"]
[Result "1-0"]
[ECO "B08"]
[Annotator "0.67;0.62"]
[PlyCount "145"]
[TimeControl "60+1"]

1. e4 g6 2. d4 d6 3. Nc3
Nf6 4. Nf3 Bg7 5. Be2 O-O 6. O-O c6 7. a4 {Both last book move} Nbd7 {0.62/27 5
} 8. h3 {0.67/29 6} Qc7 {0.58/23 1} 9. Be3 {0.60/28 4} b6 {0.59/21 1 (e5)} 10.
Nd2 {0.68/21 1 (Qd2)} e6 {0.53/28 6} 11. f4 {0.57/25 4} Bb7 {0.53/23 2} 12. Bf2
{0.57/27 4} c5 {0.56/27 4} 13. e5 {0.72/30 3 (Nb5)} dxe5 {0.63/32 13} 14. dxe5
{0.73/25 1} Nd5 {0.55/24 1} 15. Nb5 {0.71/24 1} Qb8 {0.56/25 2} 16. g3 {0.75/
23 1} Nxe5 {0.55/25 2 (g5)} 17. fxe5 {0.74/26 2} Bxe5 {0.54/24 2} 18. c4 {0.78/
24 1} Nb4 {0.88/32 21 (a6)} 19. Bf3 {0.84/23 1} Bxb2 {0.83/24 2} 20. Rb1 {0.80/
24 2} Be5 {0.77/22 1} 21. Bxb7 {0.85/23 2} Qxb7 {0.81/22 1} 22. Qe2 {0.75/28 9
(a5)} Bg7 {0.72/24 2} 23. a5 {0.59/27 4} Rad8 {0.74/22 1} 24. axb6 {0.69/24 2}
axb6 {0.66/23 1} 25. Rfd1 {0.64/25 3 (Rbd1)} h6 {0.66/27 4} 26. g4 {0.61/22 2}
f5 {0.64/23 1} 27. Bg3 {0.63/27 3} Kh7 {0.61/24 2} 28. Nf1 {0.68/23 1} Qf7 {0.
58/22 1 (Rxd1)} 29. Bd6 {0.72/23 1} Rg8 {0.52/22 1} 30. Ng3 {0.71/23 1 (Qf3)}
Nc6 {0.76/31 10} 31. Kh1 {0.76/22 1} Qf6 {0.76/23 1 (Nd4)} 32. Kh2 {0.76/24 2}
Qh4 {0.72/24 2 (Nd4)} 33. Bc7 {0.68/27 7 (Kg2)} Rxd1 {0.67/20 0} 34. Rxd1 {0.
73/25 2} Ra8 {0.65/22 1} 35. Kg2 {0.79/26 2} Qf6 {0.73/23 1 (Qe7)} 36. Bxb6 {
0.96/30 9} Qe7 {0.74/24 1} 37. gxf5 {1.01/26 1} gxf5 {0.69/22 0} 38. Bc7 {0.82/
27 3} Nd4 {0.67/23 1} 39. Nxd4 {0.88/24 1} cxd4 {0.71/22 1} 40. Bf4 {0.99/24 1}
e5 {0.95/27 4} 41. Bd2 {1.05/24 1} Qb7+ {0.98/18 1} 42. Kh2 {1.09/24 1} e4 {1.
05/19 1} 43. Bf4 {1.02/27 2} Qf7 {1.04/23 2 (d3)} 44. Rg1 {1.26/22 1} d3 {1.33/
22 1 (Ra7)} 45. Qf2 {1.42/24 2} Qd7 {1.49/21 1 (Ra4)} 46. Nh5 {1.73/24 2 (Nf1)}
Bd4 {1.78/22 1} 47. Be3 {1.87/21 1} Be5+ {1.77/20 0} 48. Nf4 {1.90/24 1 (Kh1)}
Rb8 {2.01/23 2 (Ra5)} 49. Kh1 {2.26/26 4} Rb2 {2.19/21 1} 50. Qh4 {2.24/23 0}
Qe8 {2.06/20 0} 51. c5 {2.36/19 1} Qf7 {2.41/26 2 (Rc2)} 52. Qd8 {2.39/24 1}
Rb8 {2.58/22 1} 53. Qa5 {2.57/27 2} Rb2 {2.79/22 2} 54. Qd8 {2.65/28 3 (c6)}
Rb8 {2.70/19 0} 55. Qa5 {2.65/21 1} Rb2 {2.97/21 2 (Rc8)} 56. c6 {2.68/22 0}
Qa2 {2.99/15 0} 57. Qxa2 {2.79/22 1} Rxa2 {2.79/17 0} 58. Rc1 {2.85/19 1} Bc7 {
2.86/22 1} 59. Kg1 {2.88/19 1} d2 {2.87/20 0} 60. Rd1 {2.95/22 1} Ra6 {3.14/26
2 (Ba5)} 61. Rxd2 {3.15/21 1} Rxc6 {3.23/22 1 (Bxf4)} 62. Rd7+ {3.26/23 1} Kg8
{3.22/20 0} 63. Nd5 {3.36/21 1} Rg6+ {3.30/21 1} 64. Kf1 {3.41/21 1} Bd6 {3.31/
23 1} 65. h4 {3.55/21 1} Ba3 {3.41/29 2 (Re6)} 66. Ra7 {3.63/20 1} Bf8 {3.41/
23 1 (Bd6)} 67. Bd4 {3.73/21 1} Bd6 {3.42/20 0} 68. h5 {4.03/26 2 (Rd7)} Rg3 {
3.63/21 1} 69. Rd7 {4.02/21 1} Ba3 {3.68/22 1} 70. Be5 {4.08/22 1 (Kf2)} Rd3 {
3.81/24 2 (Rf3+)} 71. Ke2 {4.26/21 1 (Bd4)} Bc1 {4.82/25 2} 72. Nf6+ {4.53/22 1
} Kf8 {5.00/21 0} 73. Bd6+ {4.78/26 1} 1-0

[/pgn]

[peter]

HERT book 4 cores and 1m + 1s level:

Code: Select all

                                         
1   Stockfish 16.1                   +2/=198/-0 50.50%  101.0/200
2   Stockfish dev-20240723-b55217    +0/=198/-2 49.50%   99.0/200

Code: Select all

Wins   = 2
Draws  = 198
Losses = 0
Av.Op. Elo = 3500

Result     : 101.0/200 (+2,=198,-0)
Perf.      : 50.5 %
Margins    :
 68 %      : (+  0.5,-  0.3 %) -> [ 50.2, 51.0 %]
 95 %      : (+  1.3,-  0.4 %) -> [ 50.1, 51.8 %]
 99.7 %    : (+  2.6,-  0.6 %) -> [ 49.9, 53.1 %]

Elo        : 3503
Margins    :
 68 %      : (+  4,-  2) -> [3502,3507]
 95 %      : (+  9,-  3) -> [3500,3512]
 99.7 %    : (+ 18,-  4) -> [3500,3522]