Dev Builds » 20230528-1803

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 07:00:01 576928 4016 1288 754 1974 +46.47 ± 5.0 3 206 1061 730 8 +93.74 ± 10.36
ncm-dbt-02 06:59:52 578675 3990 1307 767 1916 +47.31 ± 5.13 2 225 1006 755 7 +95.51 ± 10.7
ncm-dbt-03 06:59:22 579106 4008 1250 761 1997 +42.6 ± 5.12 2 240 1039 713 10 +85.05 ± 10.51
ncm-dbt-04 06:59:38 564402 4004 1278 784 1942 +43.08 ± 5.09 1 241 1028 727 5 +86.8 ± 10.58
ncm-dbt-05 06:59:49 576393 3982 1265 766 1951 +43.77 ± 5.09 3 222 1050 705 11 +87.48 ± 10.43
20000 6388 3832 9780 +44.65 ± 2.27 11 1134 5184 3630 41 +89.7 ± 4.7

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
408856 ncm-dbt-05 585000 158 41 31 86 +22.02 ± 24.03 0 11 47 21 0 +44.22 ± 48.9 ↓
408855 ncm-dbt-02 584790 172 59 42 71 +34.45 ± 23.91 0 11 47 28 0 +69.6 ± 49.57 ↓
408854 ncm-dbt-04 570709 172 57 31 84 +52.92 ± 23.71 0 8 44 34 0 +108.43 ± 51.39 ↓
408853 ncm-dbt-01 580282 176 60 28 88 +63.88 ± 21.34 0 4 48 36 0 +132.4 ± 47.91 ↓
408852 ncm-dbt-03 586139 182 58 37 87 +40.26 ± 25.24 0 13 45 32 1 +77.63 ± 51.14 ↓
408851 ncm-dbt-05 578383 500 170 87 243 +58.21 ± 15.06 0 30 107 113 0 +119.89 ± 33.02 ↓
408850 ncm-dbt-04 568832 500 159 97 244 +43.3 ± 14.56 0 32 124 94 0 +88.0 ± 30.62 ↓
408849 ncm-dbt-03 585337 500 164 93 243 +49.67 ± 14.1 0 24 133 91 2 +98.44 ± 29.27 ↓
408848 ncm-dbt-02 585759 500 162 111 227 +35.56 ± 14.87 0 37 126 86 1 +70.44 ± 30.38 ↓
408847 ncm-dbt-01 585379 500 154 110 236 +30.65 ± 14.16 1 31 142 75 1 +61.79 ± 28.21 ↓
408846 ncm-dbt-05 579826 500 156 98 246 +40.48 ± 13.99 0 28 137 84 1 +80.63 ± 28.81 ↓
408845 ncm-dbt-04 569509 500 160 95 245 +45.42 ± 14.14 0 28 129 93 0 +92.46 ± 29.89 ↓
408844 ncm-dbt-02 586139 500 157 83 260 +51.8 ± 14.35 0 27 122 101 0 +106.01 ± 30.85 ↓
408843 ncm-dbt-03 583447 500 149 96 255 +36.97 ± 14.57 0 33 133 82 2 +71.89 ± 29.42 ↓
408842 ncm-dbt-01 585253 500 178 96 226 +57.5 ± 14.22 0 23 123 103 1 +116.78 ± 30.65 ↓
408841 ncm-dbt-05 582110 500 163 103 234 +41.9 ± 13.09 1 19 149 81 0 +86.52 ± 26.94 ↓
408840 ncm-dbt-02 581402 500 162 87 251 +52.51 ± 14.66 0 29 117 104 0 +107.54 ± 31.57 ↓
408839 ncm-dbt-01 582027 500 158 95 247 +44.01 ± 13.65 0 25 137 88 0 +89.48 ± 28.74 ↓
408838 ncm-dbt-04 568395 500 154 99 247 +38.37 ± 14.13 1 27 139 82 1 +77.71 ± 28.54 ↓
408837 ncm-dbt-03 584916 500 152 87 261 +45.42 ± 14.41 2 23 134 90 1 +93.95 ± 29.15 ↓
408836 ncm-dbt-05 527358 500 149 95 256 +37.67 ± 15.38 1 35 126 85 3 +73.34 ± 30.38 ↓
408835 ncm-dbt-04 512659 500 160 101 239 +41.19 ± 15.08 0 34 126 87 3 +79.17 ± 30.36 ↓
408834 ncm-dbt-01 531530 500 149 93 258 +39.08 ± 14.7 0 33 130 85 2 +76.25 ± 29.82 ↓
408833 ncm-dbt-02 530732 500 152 87 261 +45.42 ± 14.81 0 32 122 95 1 +90.97 ± 30.89 ↓
408832 ncm-dbt-03 529522 500 158 91 251 +46.84 ± 14.88 0 32 120 97 1 +93.95 ± 31.17 ↓
408831 ncm-dbt-02 583866 318 114 61 143 +58.45 ± 17.82 0 13 82 62 2 +115.52 ± 37.36 ↓
408830 ncm-dbt-05 586774 324 112 69 143 +46.38 ± 17.6 1 14 89 57 1 +94.48 ± 35.64 ↓
408829 ncm-dbt-03 588600 326 110 61 155 +52.62 ± 17.67 0 16 83 63 1 +105.43 ± 37.3 ↓
408828 ncm-dbt-04 572034 332 105 71 156 +35.7 ± 18.21 0 24 85 56 1 +70.0 ± 37.01 ↓
408827 ncm-dbt-01 585970 340 110 64 166 +47.29 ± 17.27 0 17 92 59 2 +92.02 ± 35.18 ↓
408826 ncm-dbt-05 583950 500 151 87 262 +44.72 ± 13.97 0 25 138 85 2 +88.0 ± 28.61 ↓
408825 ncm-dbt-03 584622 500 151 94 255 +39.78 ± 14.74 0 35 123 92 0 +80.63 ± 30.77 ↓
408824 ncm-dbt-02 586308 500 169 112 219 +39.78 ± 14.22 1 28 134 87 0 +82.1 ± 29.23 ↓
408823 ncm-dbt-04 570428 500 169 91 240 +54.65 ± 14.76 0 29 114 107 0 +112.14 ± 32.0 ↓
408822 ncm-dbt-01 582611 500 160 86 254 +51.8 ± 13.66 1 18 138 92 1 +106.01 ± 28.42 ↓
408821 ncm-dbt-03 585506 500 156 96 248 +41.89 ± 14.34 0 30 131 88 1 +83.57 ± 29.65 ↓
408820 ncm-dbt-05 582778 500 163 106 231 +39.78 ± 14.48 0 32 130 87 1 +79.17 ± 29.81 ↓
408819 ncm-dbt-04 573163 500 149 84 267 +45.42 ± 13.87 0 26 133 91 0 +92.46 ± 29.31 ↓
408818 ncm-dbt-02 585548 500 164 84 252 +56.07 ± 14.01 0 23 124 103 0 +115.23 ± 30.51 ↓
408817 ncm-dbt-01 576823 500 161 78 261 +58.21 ± 14.66 0 26 116 107 1 +118.33 ± 31.7 ↓
408816 ncm-dbt-03 583866 500 152 106 242 +32.05 ± 14.25 0 34 137 78 1 +63.23 ± 28.9 ↓
408815 ncm-dbt-04 573891 500 165 115 220 +34.86 ± 14.17 0 33 134 83 0 +70.44 ± 29.29 ↓
408814 ncm-dbt-01 582485 500 158 104 238 +37.67 ± 14.22 1 29 135 85 0 +77.71 ± 29.11 ↓
408813 ncm-dbt-05 581361 500 160 90 250 +48.96 ± 14.74 0 28 127 92 3 +95.44 ± 30.17 ↓
408812 ncm-dbt-02 583531 500 168 100 232 +47.55 ± 14.66 1 25 132 89 3 +93.95 ± 29.45 ↓

Commit

Commit ID 7f0b19dedf7bff7dbe2dd42e73788826486b36b6
Author Joost VandeVondele
Date 2023-05-28 18:03:33 UTC
Update CPU contributors list update CPU contributors list, the previous update was a couple of months ago, and unfortunately, was not quite accurate for the number of games played. This version is based clean calculation from the DB and an updated script that tracks things (see https://github.com/glinscott/fishtest/pull/1702). closes https://github.com/official-stockfish/Stockfish/pull/4589 No functional change
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