Dev Builds » 20230728-2138

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 06:54:53 582852 4000 1329 706 1965 +54.56 ± 5.02 0 193 997 804 6 +110.79 ± 10.73
ncm-dbt-02 06:54:33 585496 4000 1330 666 2004 +58.21 ± 4.99 2 171 996 823 8 +118.72 ± 10.72
ncm-dbt-03 06:52:12 584654 4000 1385 699 1916 +60.18 ± 5.12 1 187 948 853 11 +122.24 ± 11.04
ncm-dbt-04 06:52:26 568536 4000 1363 714 1923 +56.87 ± 5.08 1 191 975 824 9 +115.42 ± 10.87
ncm-dbt-05 06:56:01 578405 4000 1357 690 1953 +58.48 ± 4.94 1 169 995 832 3 +120.09 ± 10.72
20000 6764 3475 9761 +57.66 ± 2.25 5 911 4911 4136 37 +117.44 ± 4.84

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
424950 ncm-dbt-02 584706 500 167 74 259 +65.38 ± 14.29 0 22 113 115 0 +135.76 ± 32.12
424949 ncm-dbt-03 584748 500 178 84 238 +66.1 ± 14.45 0 22 113 114 1 +135.76 ± 32.12
424948 ncm-dbt-05 573973 500 175 75 250 +70.44 ± 13.91 1 15 117 117 0 +148.85 ± 31.38
424947 ncm-dbt-04 570949 500 176 92 232 +58.93 ± 14.96 0 27 114 107 2 +118.33 ± 32.0
424946 ncm-dbt-01 583196 500 160 99 241 +42.6 ± 13.42 0 24 141 85 0 +86.52 ± 28.17
424464 ncm-dbt-02 585295 500 158 84 258 +51.8 ± 14.22 0 24 130 94 2 +102.97 ± 29.68
424463 ncm-dbt-01 583405 500 168 86 246 +57.5 ± 14.22 0 24 120 106 0 +118.33 ± 31.1
424462 ncm-dbt-04 566770 500 177 100 223 +53.93 ± 14.19 0 24 126 99 1 +109.07 ± 30.24
424461 ncm-dbt-05 581319 500 171 84 245 +61.07 ± 14.24 0 22 120 107 1 +124.6 ± 31.07
424460 ncm-dbt-03 584874 500 170 86 244 +58.93 ± 14.56 0 25 117 107 1 +119.89 ± 31.55
424459 ncm-dbt-04 569390 500 158 80 262 +54.64 ± 14.36 0 25 123 101 1 +110.6 ± 30.69
424458 ncm-dbt-02 585801 500 165 78 257 +61.07 ± 13.24 0 15 134 100 1 +124.6 ± 28.81
424457 ncm-dbt-01 581361 500 166 91 243 +52.51 ± 13.98 0 23 130 96 1 +106.01 ± 29.66
424456 ncm-dbt-05 580489 500 162 82 256 +56.07 ± 14.15 0 24 122 104 0 +115.23 ± 30.81
424455 ncm-dbt-03 583698 500 165 79 256 +60.36 ± 14.49 0 23 120 105 2 +121.46 ± 31.09
424454 ncm-dbt-04 568832 500 166 85 249 +56.78 ± 14.99 0 28 115 105 2 +113.68 ± 31.86
424453 ncm-dbt-02 584327 500 162 98 240 +44.72 ± 14.64 1 28 128 92 1 +90.97 ± 30.05
424452 ncm-dbt-01 584117 500 162 94 244 +47.55 ± 13.71 0 24 134 92 0 +96.94 ± 29.13
424451 ncm-dbt-05 577315 500 174 77 249 +68.27 ± 14.12 0 19 116 114 1 +140.62 ± 31.61
424450 ncm-dbt-03 584832 500 184 95 221 +62.51 ± 15.11 1 24 112 111 2 +127.76 ± 32.29
424449 ncm-dbt-01 581361 500 166 92 242 +51.8 ± 15.27 0 33 111 105 1 +104.49 ± 32.42
424448 ncm-dbt-04 567403 500 173 93 234 +56.07 ± 13.59 0 19 133 97 1 +113.68 ± 29.12
424447 ncm-dbt-02 587028 500 163 85 252 +54.64 ± 13.8 0 21 131 97 1 +110.6 ± 29.47
424446 ncm-dbt-03 584874 500 184 92 224 +64.66 ± 13.09 0 12 136 100 2 +130.94 ± 28.36
424445 ncm-dbt-05 577151 500 173 106 221 +46.84 ± 14.22 0 27 130 92 1 +93.95 ± 29.74
424444 ncm-dbt-04 567720 500 170 87 243 +58.21 ± 13.69 0 20 127 103 0 +119.89 ± 30.01
424443 ncm-dbt-01 583447 500 177 88 235 +62.51 ± 14.03 0 19 125 104 2 +126.18 ± 30.27
424442 ncm-dbt-02 586393 500 176 92 232 +58.93 ± 14.56 0 25 117 107 1 +119.89 ± 31.55
424441 ncm-dbt-03 583950 500 172 89 239 +58.21 ± 14.39 0 23 123 102 2 +116.78 ± 30.65
424440 ncm-dbt-05 582444 500 167 91 242 +53.22 ± 13.3 0 19 136 95 0 +109.07 ± 28.7
424439 ncm-dbt-02 585421 500 166 78 256 +61.79 ± 13.99 1 17 126 105 1 +127.76 ± 30.09
424438 ncm-dbt-04 567720 500 168 80 252 +61.79 ± 14.41 0 24 114 112 0 +127.76 ± 31.99
424437 ncm-dbt-01 581860 500 170 85 245 +59.64 ± 14.59 0 25 116 108 1 +121.46 ± 31.7
424436 ncm-dbt-05 576128 500 160 94 246 +46.13 ± 13.91 0 26 132 92 0 +93.95 ± 29.45
424435 ncm-dbt-03 584034 500 166 80 254 +60.36 ± 14.62 0 25 115 109 1 +123.02 ± 31.84
424434 ncm-dbt-04 569509 500 175 97 228 +54.65 ± 14.76 1 24 123 100 2 +110.6 ± 30.69
424433 ncm-dbt-02 585000 500 173 77 250 +67.54 ± 14.09 0 19 117 113 1 +138.99 ± 31.46
424432 ncm-dbt-01 584076 500 160 71 269 +62.51 ± 14.17 0 21 120 108 1 +127.76 ± 31.05
424431 ncm-dbt-03 586223 500 166 94 240 +50.38 ± 15.07 0 33 112 105 0 +102.97 ± 32.28
424430 ncm-dbt-05 578424 500 175 81 244 +66.1 ± 13.6 0 17 122 111 0 +137.37 ± 30.65

Commit

Commit ID f84eb1f3ef9dc4078368b849f8deb55982882390
Author Stéphane Nicolet
Date 2023-07-28 21:38:49 UTC
Improve some comments - clarify the examples for the bench command - typo in search.cpp closes https://github.com/official-stockfish/Stockfish/pull/4710 No functional change
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