Dev Builds » 20230102-1814

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 07:00:37 584280 4004 1217 871 1916 +30.1 ± 5.23 6 298 1049 642 7 +60.48 ± 10.48
ncm-dbt-02 06:59:49 586742 3996 1172 854 1970 +27.71 ± 5.1 2 297 1086 607 6 +55.06 ± 10.27
ncm-dbt-03 06:59:13 584703 4000 1173 888 1939 +24.8 ± 5.19 3 323 1066 602 6 +49.32 ± 10.39
ncm-dbt-04 06:59:31 567956 4000 1207 857 1936 +30.48 ± 5.11 3 287 1071 635 4 +61.25 ± 10.35
ncm-dbt-05 06:59:27 579099 4000 1194 866 1940 +28.55 ± 5.09 2 292 1087 614 5 +56.96 ± 10.26
20000 5963 4336 9701 +28.33 ± 2.3 16 1497 5359 3100 28 +56.61 ± 4.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
430910 ncm-dbt-01 584201 4 2 0 2 +190.27 ± 27.79 0 0 0 2 0 +1199.83 ± 312.71 ↓
430909 ncm-dbt-02 586943 496 146 105 245 +28.78 ± 14.12 0 34 140 73 1 +56.53 ± 28.48 ↓
430908 ncm-dbt-05 581402 500 143 108 249 +24.36 ± 14.76 0 42 132 75 1 +47.55 ± 29.63 ↓
430907 ncm-dbt-04 567839 500 159 95 246 +44.72 ± 14.64 0 32 122 96 0 +90.97 ± 30.89 ↓
430906 ncm-dbt-03 583740 500 151 124 225 +18.78 ± 14.08 1 36 150 61 2 +36.26 ± 27.22 ↓
430905 ncm-dbt-01 585042 500 140 108 252 +22.26 ± 14.34 0 40 139 70 1 +43.3 ± 28.7 ↓
430904 ncm-dbt-02 586604 500 151 118 231 +22.96 ± 14.66 0 43 131 76 0 +46.13 ± 29.76 ↓
430903 ncm-dbt-05 580862 500 147 115 238 +22.27 ± 14.08 0 39 140 71 0 +44.72 ± 28.57 ↓
430902 ncm-dbt-04 567007 500 152 107 241 +31.36 ± 14.73 1 36 130 83 0 +64.66 ± 29.86 ↓
430901 ncm-dbt-03 586012 500 148 110 242 +26.45 ± 14.52 0 39 135 75 1 +51.8 ± 29.22 ↓
430900 ncm-dbt-01 584495 500 158 105 237 +36.97 ± 15.33 2 32 130 83 3 +73.34 ± 29.83 ↓
430899 ncm-dbt-02 586562 500 152 111 237 +28.55 ± 15.54 1 42 124 81 2 +56.07 ± 30.66 ↓
430898 ncm-dbt-05 575517 500 154 112 234 +29.25 ± 12.8 0 26 156 68 0 +58.93 ± 26.19 ↓
430897 ncm-dbt-03 587155 500 155 110 235 +31.35 ± 15.23 0 42 122 85 1 +61.79 ± 30.91 ↓
430896 ncm-dbt-04 568713 500 148 97 255 +35.56 ± 13.53 0 28 143 79 0 +71.89 ± 28.0 ↓
430895 ncm-dbt-01 584916 500 153 110 237 +29.95 ± 14.63 0 39 129 82 0 +60.36 ± 30.0 ↓
430894 ncm-dbt-02 586774 500 148 107 245 +28.55 ± 14.28 0 36 138 75 1 +56.07 ± 28.8 ↓
430893 ncm-dbt-04 568593 500 136 112 252 +16.69 ± 14.31 0 43 141 65 1 +32.05 ± 28.47 ↓
430892 ncm-dbt-05 577438 500 153 103 244 +34.86 ± 14.31 0 33 135 81 1 +68.99 ± 29.16 ↓
430891 ncm-dbt-03 584706 500 133 111 256 +15.3 ± 15.57 1 51 124 73 1 +30.65 ± 30.66 ↓
430890 ncm-dbt-01 580240 500 159 119 222 +27.85 ± 14.62 1 36 136 76 1 +56.07 ± 29.07 ↓
430889 ncm-dbt-02 586477 500 131 105 264 +18.08 ± 14.29 1 40 141 68 0 +37.67 ± 28.45 ↓
430888 ncm-dbt-05 579372 500 149 107 244 +29.25 ± 13.79 0 32 145 72 1 +57.5 ± 27.81 ↓
430887 ncm-dbt-01 585169 500 159 93 248 +46.13 ± 14.32 0 28 129 92 1 +92.46 ± 29.89 ↓
430886 ncm-dbt-04 570148 500 142 95 263 +32.76 ± 15.32 1 40 120 89 0 +67.55 ± 31.17 ↓
430885 ncm-dbt-03 585421 500 144 95 261 +34.16 ± 13.99 0 32 137 81 0 +68.99 ± 28.88 ↓
430884 ncm-dbt-02 586139 500 147 102 251 +31.35 ± 14.34 0 36 133 81 0 +63.23 ± 29.45 ↓
430883 ncm-dbt-05 580945 500 135 98 267 +25.76 ± 15.35 0 47 119 84 0 +51.8 ± 31.29 ↓
430882 ncm-dbt-01 583572 500 143 122 235 +14.6 ± 15.4 2 48 127 73 0 +32.05 ± 30.28 ↓
430881 ncm-dbt-04 569350 500 155 104 241 +35.56 ± 14.87 0 37 126 86 1 +70.44 ± 30.38 ↓
430880 ncm-dbt-03 584285 500 139 121 240 +12.51 ± 14.36 1 44 141 64 0 +26.46 ± 28.48 ↓
430879 ncm-dbt-02 586393 500 144 98 258 +32.05 ± 15.15 0 40 126 82 2 +61.79 ± 30.39 ↓
430878 ncm-dbt-01 584916 500 156 111 233 +31.35 ± 15.6 1 42 119 87 1 +63.23 ± 31.3 ↓
430877 ncm-dbt-04 566060 500 156 120 224 +25.06 ± 14.29 1 34 145 68 2 +48.96 ± 27.86 ↓
430876 ncm-dbt-05 577930 500 155 119 226 +25.06 ± 15.06 2 38 133 76 1 +51.8 ± 29.48 ↓
430875 ncm-dbt-03 582485 500 145 108 247 +25.76 ± 15.23 0 45 124 80 1 +50.38 ± 30.66 ↓
430874 ncm-dbt-02 588047 500 153 108 239 +31.35 ± 12.95 0 26 153 71 0 +63.23 ± 26.6 ↓
430873 ncm-dbt-04 565941 500 159 127 214 +22.27 ± 13.81 0 37 144 69 0 +44.72 ± 28.02 ↓
430872 ncm-dbt-05 579331 500 158 104 238 +37.67 ± 14.74 0 35 127 87 1 +74.79 ± 30.24 ↓
430871 ncm-dbt-01 585970 500 147 103 250 +30.65 ± 13.89 0 33 140 77 0 +61.79 ± 28.49 ↓
430870 ncm-dbt-03 583824 500 158 109 233 +34.16 ± 14.26 0 34 133 83 0 +68.99 ± 29.43 ↓

Commit

Commit ID fc5b59b88bae00b7e74bbad0de7c3c33136937cf
Author FauziAkram
Date 2023-01-02 18:14:05 UTC
Parameter Tweaks This patch is a parameter tweak that passed both STC and LTC tests. STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 80944 W: 21557 L: 21189 D: 38198 Ptnml(0-2): 192, 8883, 22028, 9103, 266 https://tests.stockfishchess.org/tests/view/63b07fe2d421d8f75795a03b LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 30440 W: 8296 L: 8007 D: 14137 Ptnml(0-2): 6, 2893, 9143, 3162, 16 https://tests.stockfishchess.org/tests/view/63b167d02ab1290f961644db closes https://github.com/official-stockfish/Stockfish/pull/4318 Bench: 4182223
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