Dev Builds » 20230209-0642

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 06:59:52 584025 4000 1225 822 1953 +35.12 ± 5.15 3 270 1056 663 8 +70.07 ± 10.43
ncm-dbt-02 06:58:40 586089 4000 1202 842 1956 +31.35 ± 5.15 3 286 1066 638 7 +62.51 ± 10.38
ncm-dbt-03 06:59:48 585345 4000 1233 818 1949 +36.18 ± 5.11 3 263 1055 674 5 +72.79 ± 10.43
ncm-dbt-04 07:00:15 568293 4000 1252 801 1947 +39.34 ± 5.11 1 252 1051 687 9 +78.25 ± 10.45
ncm-dbt-05 07:00:31 577332 4000 1233 835 1932 +34.68 ± 5.16 5 271 1050 669 5 +70.07 ± 10.47
20000 6145 4118 9737 +35.33 ± 2.3 15 1342 5278 3331 34 +70.73 ± 4.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
430389 ncm-dbt-04 567997 500 156 107 237 +34.16 ± 14.78 0 36 131 81 2 +66.1 ± 29.72 ↓
430388 ncm-dbt-05 572034 500 152 112 236 +27.85 ± 14.75 1 37 134 77 1 +56.07 ± 29.34 ↓
430387 ncm-dbt-03 584159 500 159 108 233 +35.56 ± 14.74 0 35 131 82 2 +68.99 ± 29.71 ↓
430386 ncm-dbt-01 584495 500 143 107 250 +25.06 ± 13.62 0 33 149 67 1 +48.96 ± 27.3 ↓
430385 ncm-dbt-02 587070 500 153 113 234 +27.85 ± 14.36 0 38 134 78 0 +56.07 ± 29.34 ↓
430384 ncm-dbt-03 585295 500 167 94 239 +51.09 ± 14.72 0 28 123 97 2 +101.46 ± 30.72 ↓
430383 ncm-dbt-01 585042 500 172 101 227 +49.67 ± 15.03 0 33 113 104 0 +101.46 ± 32.14 ↓
430382 ncm-dbt-05 577561 500 155 102 243 +36.97 ± 14.04 0 30 138 81 1 +73.34 ± 28.71 ↓
430381 ncm-dbt-04 567561 500 144 89 267 +38.37 ± 14.79 1 32 129 87 1 +77.71 ± 29.96 ↓
430380 ncm-dbt-02 587197 500 152 102 246 +34.86 ± 14.44 0 33 136 79 2 +67.55 ± 29.02 ↓
430379 ncm-dbt-03 583992 500 152 98 250 +37.67 ± 15.0 1 35 123 91 0 +77.71 ± 30.77 ↓
430378 ncm-dbt-04 567047 500 157 96 247 +42.6 ± 14.52 0 30 131 87 2 +83.57 ± 29.65 ↓
430377 ncm-dbt-05 577479 500 158 94 248 +44.72 ± 14.64 0 32 122 96 0 +90.97 ± 30.89 ↓
430376 ncm-dbt-01 581402 500 150 104 246 +32.06 ± 15.4 1 41 119 89 0 +66.1 ± 31.3 ↓
430375 ncm-dbt-02 586943 500 160 92 248 +47.55 ± 15.05 0 34 114 102 0 +96.94 ± 32.0 ↓
430374 ncm-dbt-04 565626 500 163 104 233 +41.19 ± 14.7 0 34 123 93 0 +83.57 ± 30.77 ↓
430373 ncm-dbt-03 583824 500 145 90 265 +38.37 ± 13.99 0 29 138 82 1 +76.25 ± 28.69 ↓
430372 ncm-dbt-05 580945 500 146 96 258 +34.86 ± 14.83 0 38 124 88 0 +70.44 ± 30.65 ↓
430371 ncm-dbt-01 583405 500 152 94 254 +40.48 ± 14.78 1 30 131 86 2 +80.63 ± 29.67 ↓
430370 ncm-dbt-02 583866 500 148 117 235 +21.57 ± 14.68 1 41 134 74 0 +44.72 ± 29.37 ↓
430369 ncm-dbt-04 570348 500 166 102 232 +44.72 ± 14.24 0 29 128 93 0 +90.97 ± 30.05 ↓
430368 ncm-dbt-03 585379 500 150 109 241 +28.55 ± 14.01 0 35 139 76 0 +57.5 ± 28.65 ↓
430367 ncm-dbt-05 580365 500 163 114 223 +34.16 ± 15.53 2 37 122 88 1 +70.44 ± 30.91 ↓
430366 ncm-dbt-01 584706 500 159 102 239 +39.78 ± 13.67 0 26 142 81 1 +79.17 ± 28.09 ↓
430365 ncm-dbt-02 586097 500 153 104 243 +34.16 ± 14.52 0 34 135 79 2 +66.1 ± 29.17 ↓
430364 ncm-dbt-04 569549 500 164 99 237 +45.42 ± 14.28 0 28 130 91 1 +90.97 ± 29.76 ↓
430363 ncm-dbt-03 585674 500 158 108 234 +34.86 ± 14.31 0 34 132 84 0 +70.44 ± 29.57 ↓
430362 ncm-dbt-01 583782 500 146 95 259 +35.56 ± 14.08 0 32 135 83 0 +71.89 ± 29.14 ↓
430361 ncm-dbt-05 576496 500 152 102 246 +34.86 ± 13.9 0 30 141 78 1 +68.99 ± 28.31 ↓
430360 ncm-dbt-02 583950 500 153 113 234 +27.85 ± 14.09 0 35 141 73 1 +54.65 ± 28.39 ↓
430359 ncm-dbt-04 569709 500 150 97 253 +36.97 ± 14.7 0 34 131 83 2 +71.89 ± 29.7 ↓
430358 ncm-dbt-03 586139 500 141 100 259 +28.56 ± 14.41 2 32 139 77 0 +60.36 ± 28.64 ↓
430357 ncm-dbt-02 586393 500 154 104 242 +34.86 ± 14.17 0 32 137 80 1 +68.99 ± 28.88 ↓
430356 ncm-dbt-01 585632 500 151 105 244 +32.05 ± 14.77 1 34 135 78 2 +63.23 ± 29.18 ↓
430355 ncm-dbt-05 573123 500 151 109 240 +29.25 ± 14.19 1 33 139 77 0 +60.36 ± 28.64 ↓
430354 ncm-dbt-01 583740 500 152 114 234 +26.45 ± 14.9 0 41 132 75 2 +50.38 ± 29.62 ↓
430353 ncm-dbt-04 568514 500 152 107 241 +31.35 ± 13.52 0 29 148 72 1 +61.79 ± 27.35 ↓
430352 ncm-dbt-03 588302 500 161 111 228 +34.86 ± 14.44 0 35 130 85 0 +70.44 ± 29.84 ↓
430351 ncm-dbt-05 580655 500 156 106 238 +34.86 ± 14.83 1 34 130 84 1 +70.44 ± 29.84 ↓
430350 ncm-dbt-02 587197 500 129 97 274 +22.27 ± 14.98 2 39 135 73 1 +46.13 ± 29.23 ↓

Commit

Commit ID d5817a5896a8d93c4560b405da576a02aaa0c08a
Author Disservin
Date 2023-02-09 06:42:52 UTC
remove unnecessary variable pinned already has to be true for the bitwise & closes https://github.com/official-stockfish/Stockfish/pull/4381 No functional change
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