Dev Builds » 20230109-1925

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 07:00:19 583509 3982 1197 847 1938 +30.62 ± 5.19 6 284 1063 630 8 +61.36 ± 10.39
ncm-dbt-02 07:00:07 586046 4000 1197 828 1975 +32.14 ± 5.07 3 273 1079 642 3 +64.84 ± 10.3
ncm-dbt-03 07:01:48 584174 4016 1192 828 1996 +31.58 ± 5.19 3 299 1041 661 4 +63.51 ± 10.53
ncm-dbt-04 07:00:36 569376 4000 1190 857 1953 +28.99 ± 5.08 1 291 1088 614 6 +57.5 ± 10.25
ncm-dbt-05 07:00:59 577861 4002 1199 847 1956 +30.64 ± 5.05 3 278 1086 632 2 +61.94 ± 10.26
20000 5975 4207 9818 +30.79 ± 2.29 16 1425 5357 3179 23 +61.83 ± 4.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
430824 ncm-dbt-05 574744 2 0 0 2 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47 ↓
430823 ncm-dbt-03 585337 16 6 4 6 +43.65 ± 82.55 0 1 4 3 0 +88.74 ± 190.27 ↓
430822 ncm-dbt-01 584369 482 132 101 249 +22.37 ± 14.68 0 39 133 68 1 +43.47 ± 29.38 ↓
430821 ncm-dbt-02 586816 500 147 90 263 +39.78 ± 13.94 0 29 135 86 0 +80.63 ± 29.1 ↓
430820 ncm-dbt-04 570589 500 152 96 252 +39.08 ± 14.17 0 31 132 87 0 +79.17 ± 29.53 ↓
430819 ncm-dbt-05 574622 500 145 92 263 +36.97 ± 13.77 0 29 139 82 0 +74.79 ± 28.56 ↓
430818 ncm-dbt-03 579537 500 146 104 250 +29.25 ± 15.71 2 42 118 88 0 +61.79 ± 31.43 ↓
430817 ncm-dbt-01 579413 500 160 108 232 +36.26 ± 15.17 1 36 124 88 1 +73.34 ± 30.64 ↓
430816 ncm-dbt-04 568514 500 160 110 230 +34.86 ± 13.49 1 24 150 74 1 +70.44 ± 26.98 ↓
430815 ncm-dbt-02 583321 500 152 107 241 +31.35 ± 15.11 0 41 124 84 1 +61.79 ± 30.65 ↓
430814 ncm-dbt-05 579620 500 154 107 239 +32.75 ± 14.17 0 33 138 78 1 +64.66 ± 28.76 ↓
430813 ncm-dbt-03 587707 500 155 103 242 +36.26 ± 13.72 0 28 143 78 1 +71.89 ± 28.0 ↓
430812 ncm-dbt-02 585843 500 157 109 234 +33.46 ± 13.25 0 27 148 75 0 +67.55 ± 27.3 ↓
430811 ncm-dbt-01 585843 500 143 103 254 +27.85 ± 15.0 1 38 133 76 2 +54.65 ± 29.48 ↓
430810 ncm-dbt-04 569829 500 141 99 260 +29.25 ± 14.84 0 41 126 83 0 +58.93 ± 30.4 ↓
430809 ncm-dbt-05 580157 500 145 117 238 +19.48 ± 14.9 1 44 131 74 0 +40.48 ± 29.77 ↓
430808 ncm-dbt-03 586012 500 153 91 256 +43.3 ± 14.16 0 29 130 91 0 +88.0 ± 29.77 ↓
430807 ncm-dbt-02 584916 500 151 103 246 +33.46 ± 14.35 1 31 138 79 1 +67.55 ± 28.74 ↓
430806 ncm-dbt-01 586858 500 145 110 245 +24.36 ± 14.5 2 34 142 71 1 +50.38 ± 28.27 ↓
430805 ncm-dbt-04 569470 500 157 105 238 +36.26 ± 14.66 0 35 129 85 1 +71.89 ± 29.97 ↓
430804 ncm-dbt-05 579248 500 138 119 243 +13.21 ± 14.02 0 44 143 63 0 +26.46 ± 28.21 ↓
430803 ncm-dbt-03 578918 500 145 110 245 +24.36 ± 15.38 1 45 122 82 0 +50.38 ± 30.91 ↓
430802 ncm-dbt-02 586139 500 145 106 249 +27.15 ± 14.31 0 38 135 77 0 +54.65 ± 29.21 ↓
430801 ncm-dbt-01 584622 500 154 103 243 +35.56 ± 14.08 0 32 135 83 0 +71.89 ± 29.14 ↓
430800 ncm-dbt-04 570148 500 143 112 245 +21.57 ± 14.29 0 41 137 72 0 +43.3 ± 28.97 ↓
430799 ncm-dbt-05 578465 500 152 97 251 +38.37 ± 13.86 0 29 137 84 0 +77.71 ± 28.83 ↓
430798 ncm-dbt-03 587452 500 160 102 238 +40.48 ± 14.91 0 35 123 91 1 +80.63 ± 30.77 ↓
430797 ncm-dbt-01 583447 500 171 106 223 +45.42 ± 15.32 2 29 123 94 2 +92.46 ± 30.75 ↓
430796 ncm-dbt-02 586562 500 153 103 244 +34.86 ± 14.31 0 34 132 84 0 +70.44 ± 29.57 ↓
430795 ncm-dbt-04 569470 500 146 105 249 +28.55 ± 14.41 0 37 136 76 1 +56.07 ± 29.07 ↓
430794 ncm-dbt-05 576987 500 153 108 239 +31.35 ± 14.73 0 38 130 81 1 +61.79 ± 29.86 ↓
430793 ncm-dbt-03 583614 500 148 102 250 +32.05 ± 15.28 0 41 124 83 2 +61.79 ± 30.65 ↓
430792 ncm-dbt-01 583698 500 141 105 254 +25.06 ± 14.55 0 40 135 74 1 +48.96 ± 29.23 ↓
430791 ncm-dbt-02 586985 500 148 110 242 +26.46 ± 13.86 0 35 142 73 0 +53.22 ± 28.26 ↓
430790 ncm-dbt-04 567878 500 141 111 248 +20.87 ± 14.11 0 39 143 67 1 +40.48 ± 28.17 ↓
430789 ncm-dbt-05 576047 500 150 110 240 +27.86 ± 14.75 2 35 134 79 0 +58.93 ± 29.33 ↓
430788 ncm-dbt-03 584748 500 138 113 249 +17.39 ± 14.23 0 43 139 68 0 +34.86 ± 28.73 ↓
430787 ncm-dbt-01 579826 500 151 111 238 +27.85 ± 14.09 0 36 138 76 0 +56.07 ± 28.8 ↓
430786 ncm-dbt-02 587792 500 144 100 256 +30.65 ± 15.43 2 38 125 84 1 +63.23 ± 30.52 ↓
430785 ncm-dbt-05 580862 500 162 97 241 +45.42 ± 13.87 0 26 133 91 0 +92.46 ± 29.31 ↓
430784 ncm-dbt-04 569111 500 150 119 231 +21.57 ± 14.81 0 43 135 70 2 +40.48 ± 29.24 ↓
430783 ncm-dbt-03 584243 500 141 99 260 +29.25 ± 14.06 0 35 138 77 0 +58.93 ± 28.79 ↓

Commit

Commit ID 5a88c5bb9b3e5ee431ac85abb8981b1571b68b2d
Author Stefano Di Martino
Date 2023-01-09 19:25:13 UTC
Modernize code base a little bit Removed sprintf() which generated a warning, because of security reasons. Replace NULL with nullptr Replace typedef with using Do not inherit from std::vector. Use composition instead. optimize mutex-unlocking closes https://github.com/official-stockfish/Stockfish/pull/4327 No functional change
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