Dev Builds » 20230401-1416

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 06:57:09 583272 4000 1286 787 1927 +43.57 ± 5.14 1 244 1018 729 8 +87.26 ± 10.64
ncm-dbt-02 06:56:48 586245 4000 1231 794 1975 +38.11 ± 5.1 3 251 1060 678 8 +76.25 ± 10.4
ncm-dbt-03 06:57:42 584661 3988 1241 810 1937 +37.7 ± 5.08 1 257 1050 682 4 +75.75 ± 10.45
ncm-dbt-04 06:57:15 569388 4012 1266 825 1921 +38.35 ± 5.15 4 261 1036 700 5 +77.47 ± 10.54
ncm-dbt-05 06:57:12 577484 4000 1242 829 1929 +36.0 ± 5.05 7 244 1080 667 2 +73.7 ± 10.28
20000 6266 4045 9689 +38.74 ± 2.28 16 1257 5244 3456 27 +78.07 ± 4.68

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
428408 ncm-dbt-04 571110 12 4 2 6 +58.39 ± 68.56 0 0 4 2 0 +120.33 ± 161.99
428407 ncm-dbt-03 585337 488 155 101 232 +38.6 ± 13.85 0 27 136 81 0 +78.19 ± 28.84
428406 ncm-dbt-01 582861 500 151 91 258 +41.89 ± 13.8 0 27 136 87 0 +85.04 ± 28.92
428405 ncm-dbt-05 578671 500 162 93 245 +48.26 ± 14.16 1 24 130 95 0 +99.95 ± 29.7
428404 ncm-dbt-02 586097 500 162 95 243 +46.84 ± 14.22 0 28 127 95 0 +95.44 ± 30.17
428403 ncm-dbt-04 571391 500 161 109 230 +36.26 ± 14.66 1 31 135 81 2 +71.89 ± 29.14
428402 ncm-dbt-03 584748 500 162 105 233 +39.78 ± 15.25 0 38 118 93 1 +79.17 ± 31.44
428401 ncm-dbt-01 580862 500 168 103 229 +45.42 ± 14.81 0 33 119 98 0 +92.46 ± 31.31
428400 ncm-dbt-05 578630 500 151 103 246 +33.46 ± 14.08 1 30 139 80 0 +68.99 ± 28.6
428399 ncm-dbt-04 568792 500 161 111 228 +34.86 ± 14.7 1 31 138 77 3 +67.55 ± 28.74
428398 ncm-dbt-02 586562 500 153 95 252 +40.48 ± 14.52 0 31 132 85 2 +79.17 ± 29.53
428397 ncm-dbt-03 586943 500 149 107 244 +29.25 ± 13.92 0 34 140 76 0 +58.93 ± 28.51
428396 ncm-dbt-01 584034 500 170 99 231 +49.67 ± 14.64 1 26 125 97 1 +101.46 ± 30.43
428395 ncm-dbt-02 585464 500 142 117 241 +17.39 ± 13.14 1 32 158 59 0 +36.26 ± 26.07
428394 ncm-dbt-04 568872 500 158 101 241 +39.78 ± 14.48 0 33 127 90 0 +80.63 ± 30.22
428393 ncm-dbt-05 575476 500 157 104 239 +36.97 ± 14.31 0 33 131 86 0 +74.79 ± 29.69
428392 ncm-dbt-03 584537 500 161 92 247 +48.25 ± 14.83 0 32 117 101 0 +98.44 ± 31.58
428391 ncm-dbt-01 582068 500 160 97 243 +44.01 ± 15.11 0 33 124 90 3 +85.04 ± 30.63
428390 ncm-dbt-02 585674 500 144 85 271 +41.19 ± 14.7 2 27 132 88 1 +85.04 ± 29.5
428389 ncm-dbt-04 568434 500 157 109 234 +33.46 ± 14.35 0 35 132 83 0 +67.55 ± 29.58
428388 ncm-dbt-05 580904 500 160 108 232 +36.26 ± 13.86 0 29 141 79 1 +71.89 ± 28.29
428387 ncm-dbt-03 582694 500 156 99 245 +39.78 ± 14.61 0 33 128 88 1 +79.17 ± 30.09
428386 ncm-dbt-01 583321 500 156 103 241 +36.97 ± 14.17 0 31 136 82 1 +73.34 ± 29.0
428385 ncm-dbt-04 569430 500 153 99 248 +37.67 ± 14.74 0 36 124 90 0 +76.25 ± 30.64
428384 ncm-dbt-05 572477 500 160 109 231 +35.56 ± 14.22 1 30 136 83 0 +73.34 ± 29.0
428383 ncm-dbt-02 587834 500 153 97 250 +39.08 ± 14.44 0 33 128 89 0 +79.17 ± 30.09
428382 ncm-dbt-03 583321 500 148 101 251 +32.76 ± 14.43 1 33 134 82 0 +67.55 ± 29.3
428381 ncm-dbt-04 566730 500 154 86 260 +47.55 ± 14.53 0 30 122 98 0 +96.94 ± 30.88
428380 ncm-dbt-01 583572 500 152 94 254 +40.48 ± 14.65 0 34 124 92 0 +82.1 ± 30.63
428379 ncm-dbt-02 586520 500 165 105 230 +41.89 ± 14.87 0 34 123 92 1 +83.57 ± 30.77
428378 ncm-dbt-05 582235 500 146 106 248 +27.86 ± 14.36 2 32 140 76 0 +58.93 ± 28.51
428377 ncm-dbt-01 586266 500 170 101 229 +48.25 ± 14.16 0 25 133 90 2 +95.44 ± 29.29
428376 ncm-dbt-03 583908 500 143 98 259 +31.35 ± 13.38 0 28 150 71 1 +61.79 ± 27.06
428375 ncm-dbt-02 585759 500 155 88 257 +46.84 ± 14.75 0 30 125 93 2 +92.46 ± 30.47
428374 ncm-dbt-05 576088 500 155 108 237 +32.76 ± 15.44 1 40 121 87 1 +66.1 ± 31.04
428373 ncm-dbt-04 570108 500 151 91 258 +41.9 ± 14.74 1 31 125 93 0 +86.52 ± 30.48
428372 ncm-dbt-03 585801 500 167 107 226 +41.89 ± 14.61 0 32 127 90 1 +83.57 ± 30.21
428371 ncm-dbt-04 569629 500 167 117 216 +34.86 ± 14.7 1 34 129 86 0 +71.89 ± 29.97
428370 ncm-dbt-01 583196 500 159 99 242 +41.89 ± 14.99 0 35 121 93 1 +83.57 ± 31.04
428369 ncm-dbt-02 586054 500 157 112 231 +31.35 ± 14.6 0 36 135 77 2 +60.36 ± 29.19
428368 ncm-dbt-05 575394 500 151 98 251 +36.97 ± 13.77 1 26 142 81 0 +76.25 ± 28.11

Commit

Commit ID bc50378ff1915a8ad6ac3e4946193c65e4cacb56
Author Maxim Masiutin
Date 2023-04-01 14:16:48 UTC
Replace deprecated icc with icx Replace the deprecated Intel compiler icc with its newer icx variant. This newer compiler is based on clang, and yields good performance. As before, currently only linux is supported. closes https://github.com/official-stockfish/Stockfish/pull/4478 No functional change
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