Dev Builds » 20230109-1932

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 06:59:49 584888 4000 1177 859 1964 +27.68 ± 5.16 1 312 1059 624 4 +55.18 ± 10.43
ncm-dbt-02 07:00:47 587305 4000 1177 885 1938 +25.41 ± 5.16 3 315 1075 601 6 +50.56 ± 10.34
ncm-dbt-03 06:58:53 587022 4000 1198 823 1979 +32.67 ± 5.18 2 292 1039 663 4 +65.56 ± 10.54
ncm-dbt-04 07:00:30 569746 4000 1236 876 1888 +31.35 ± 5.05 1 278 1085 632 4 +62.69 ± 10.26
ncm-dbt-05 07:00:19 585182 4000 1206 835 1959 +32.32 ± 5.19 1 300 1029 667 3 +64.84 ± 10.6
20000 5994 4278 9728 +29.88 ± 2.3 8 1497 5287 3187 21 +59.75 ± 4.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
394933 ncm-dbt-02 587834 500 157 108 235 +34.16 ± 15.41 2 37 121 90 0 +71.89 ± 31.04 ↓
394932 ncm-dbt-05 587197 500 151 103 246 +33.46 ± 15.85 0 46 111 92 1 +66.1 ± 32.32 ↓
394931 ncm-dbt-04 571070 500 160 96 244 +44.72 ± 13.97 0 27 132 91 0 +90.97 ± 29.47 ↓
394930 ncm-dbt-01 588047 500 141 99 260 +29.25 ± 14.46 0 38 132 80 0 +58.93 ± 29.6 ↓
394929 ncm-dbt-03 588899 500 149 101 250 +33.46 ± 14.86 0 39 124 87 0 +67.55 ± 30.65 ↓
394928 ncm-dbt-02 588260 500 149 112 239 +25.76 ± 14.73 0 40 135 73 2 +48.96 ± 29.23 ↓
394927 ncm-dbt-05 587282 500 148 100 252 +33.46 ± 15.12 1 38 123 88 0 +68.99 ± 30.78 ↓
394926 ncm-dbt-01 584243 500 154 116 230 +26.45 ± 14.39 0 38 137 74 1 +51.8 ± 28.95 ↓
394925 ncm-dbt-04 563978 500 150 99 251 +35.56 ± 14.22 1 28 142 77 2 +70.44 ± 28.16 ↓
394924 ncm-dbt-03 585717 500 162 99 239 +44.01 ± 14.86 0 31 128 88 3 +85.04 ± 30.07 ↓
394923 ncm-dbt-05 583112 500 156 117 227 +27.15 ± 14.31 0 38 135 77 0 +54.65 ± 29.21 ↓
394922 ncm-dbt-02 586435 500 134 102 264 +22.27 ± 14.08 0 39 140 71 0 +44.72 ± 28.57 ↓
394921 ncm-dbt-04 572961 500 152 100 248 +36.26 ± 15.04 0 38 123 88 1 +71.89 ± 30.78 ↓
394920 ncm-dbt-01 585211 500 140 97 263 +29.95 ± 14.24 0 35 138 76 1 +58.93 ± 28.79 ↓
394919 ncm-dbt-03 587197 500 146 101 253 +31.36 ± 14.6 1 35 132 82 0 +64.66 ± 29.59 ↓
394918 ncm-dbt-05 580447 500 156 108 236 +33.46 ± 14.08 0 32 139 78 1 +66.1 ± 28.61 ↓
394917 ncm-dbt-01 584411 500 162 104 234 +40.48 ± 14.65 0 33 127 89 1 +80.63 ± 30.22 ↓
394916 ncm-dbt-02 586350 500 145 113 242 +22.26 ± 14.86 0 44 131 74 1 +43.3 ± 29.76 ↓
394915 ncm-dbt-03 586689 500 144 99 257 +31.35 ± 14.07 0 34 137 79 0 +63.23 ± 28.9 ↓
394914 ncm-dbt-04 568077 500 157 114 229 +29.95 ± 13.56 0 31 145 74 0 +60.36 ± 27.79 ↓
394913 ncm-dbt-05 586139 500 146 104 250 +29.25 ± 15.22 0 43 123 83 1 +57.5 ± 30.78 ↓
394912 ncm-dbt-01 583656 500 131 111 258 +13.9 ± 15.22 1 49 130 69 1 +27.85 ± 29.9 ↓
394911 ncm-dbt-02 585801 500 148 111 241 +25.76 ± 15.11 1 40 132 75 2 +50.38 ± 29.62 ↓
394910 ncm-dbt-03 583614 500 147 103 250 +30.65 ± 14.29 0 36 134 80 0 +61.79 ± 29.32 ↓
394909 ncm-dbt-04 571150 500 156 101 243 +38.37 ± 13.99 0 30 135 85 0 +77.71 ± 29.11 ↓
394908 ncm-dbt-05 586858 500 151 107 242 +30.65 ± 14.02 0 34 138 78 0 +61.79 ± 28.77 ↓
394907 ncm-dbt-01 583447 500 157 112 231 +31.35 ± 14.34 0 36 133 81 0 +63.23 ± 29.45 ↓
394906 ncm-dbt-02 588856 500 152 113 235 +27.15 ± 14.57 0 40 131 79 0 +54.65 ± 29.74 ↓
394905 ncm-dbt-03 589753 500 157 99 244 +40.48 ± 13.43 0 25 142 83 0 +82.1 ± 28.06 ↓
394904 ncm-dbt-04 571672 500 150 131 219 +13.21 ± 13.75 0 41 150 58 1 +25.06 ± 27.26 ↓
394903 ncm-dbt-05 586477 500 152 103 245 +34.16 ± 14.13 0 33 135 82 0 +68.99 ± 29.16 ↓
394902 ncm-dbt-01 586139 500 150 109 241 +28.55 ± 14.01 0 35 139 76 0 +57.5 ± 28.65 ↓
394901 ncm-dbt-03 586054 500 144 102 254 +29.25 ± 15.59 0 46 117 86 1 +57.5 ± 31.55 ↓
394900 ncm-dbt-02 586774 500 148 113 239 +24.36 ± 14.11 0 37 142 70 1 +47.55 ± 28.28 ↓
394899 ncm-dbt-04 568275 500 163 112 225 +35.56 ± 14.35 0 34 131 85 0 +71.89 ± 29.7 ↓
394898 ncm-dbt-03 588260 500 149 119 232 +20.87 ± 15.26 1 46 125 78 0 +43.3 ± 30.53 ↓
394897 ncm-dbt-01 583950 500 142 111 247 +21.57 ± 15.18 0 48 123 79 0 +43.3 ± 30.78 ↓
394896 ncm-dbt-02 588132 500 144 113 243 +21.57 ± 13.89 0 38 143 69 0 +43.3 ± 28.16 ↓
394895 ncm-dbt-05 583950 500 146 93 261 +36.97 ± 14.7 0 36 125 89 0 +74.79 ± 30.51 ↓
394894 ncm-dbt-04 570789 500 148 123 229 +17.39 ± 15.0 0 49 127 74 0 +34.86 ± 30.28 ↓

Commit

Commit ID 4f4e652ecaf8d42a9bd1092f72c3704435ddba12
Author Sebastian Buchwald
Date 2023-01-09 19:32:58 UTC
Avoid unnecessary string copies closes https://github.com/official-stockfish/Stockfish/pull/4326 also fixes typo, closes https://github.com/official-stockfish/Stockfish/pull/4332 No functional change
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