Dev Builds » 20210216-0031

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 06:42:21 583433 4000 315 1829 1856 -138.39 ± 4.9 86 1376 504 34 0 -311.06 ± 15.18
ncm-dbt-02 06:42:28 586349 4000 303 1817 1880 -138.39 ± 5.14 109 1337 513 41 0 -303.04 ± 15.05
ncm-dbt-03 06:42:01 585042 4000 297 1804 1899 -137.68 ± 5.0 95 1354 514 37 0 -305.45 ± 15.04
ncm-dbt-04 06:42:05 567364 4000 326 1823 1851 -136.67 ± 4.92 82 1371 509 38 0 -306.49 ± 15.11
ncm-dbt-05 06:42:08 580714 4000 306 1809 1885 -137.27 ± 4.84 80 1373 518 28 1 -309.64 ± 14.96
20000 1547 9082 9371 -137.68 ± 2.22 452 6811 2558 178 1 -307.12 ± 6.73

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
456732 ncm-dbt-03 585000 500 35 222 243 -136.56 ± 13.55 11 167 70 2 0 -304.07 ± 40.91
456731 ncm-dbt-04 567601 500 38 228 234 -138.99 ± 13.85 11 172 63 4 0 -312.48 ± 43.44
456730 ncm-dbt-05 580075 500 38 227 235 -138.18 ± 14.41 14 165 67 4 0 -301.33 ± 42.04
456729 ncm-dbt-01 582819 500 39 238 223 -146.36 ± 14.36 15 173 58 4 0 -327.18 ± 45.37
456728 ncm-dbt-02 586985 500 34 237 229 -149.68 ± 14.8 18 171 57 4 0 -330.23 ± 45.79
456727 ncm-dbt-04 568514 500 38 223 239 -134.95 ± 14.31 11 169 64 6 0 -298.62 ± 43.1
456726 ncm-dbt-03 585253 500 27 227 246 -147.19 ± 13.96 13 178 55 4 0 -336.46 ± 46.65
456725 ncm-dbt-05 583237 500 37 223 240 -135.76 ± 13.57 9 172 65 4 0 -306.84 ± 42.73
456724 ncm-dbt-01 587282 500 26 231 243 -151.34 ± 14.37 15 180 50 5 0 -346.12 ± 48.95
456723 ncm-dbt-02 582778 500 33 236 231 -149.68 ± 13.86 15 175 58 2 0 -339.63 ± 45.29
456722 ncm-dbt-04 567165 500 42 233 225 -139.81 ± 14.37 12 173 59 6 0 -312.48 ± 44.93
456721 ncm-dbt-03 584748 500 41 231 228 -138.99 ± 13.67 9 177 59 5 0 -318.25 ± 44.96
456720 ncm-dbt-05 584411 500 40 232 228 -140.62 ± 13.62 11 173 63 3 0 -318.25 ± 43.39
456719 ncm-dbt-01 580530 500 46 225 229 -130.14 ± 14.4 12 160 73 5 0 -280.42 ± 40.21
456718 ncm-dbt-02 587367 500 39 232 229 -141.44 ± 15.2 18 162 65 5 0 -301.33 ± 42.75
456717 ncm-dbt-04 568752 500 47 227 226 -130.94 ± 13.69 8 169 68 5 0 -293.29 ± 41.75
456716 ncm-dbt-03 584201 500 42 226 232 -134.15 ± 13.97 10 169 66 5 0 -298.62 ± 42.41
456715 ncm-dbt-05 580904 500 39 228 233 -138.18 ± 14.41 14 165 67 4 0 -301.33 ± 42.04
456714 ncm-dbt-01 584453 500 46 217 237 -123.81 ± 13.46 5 167 72 6 0 -277.93 ± 40.53
456713 ncm-dbt-02 587070 500 32 218 250 -135.76 ± 14.81 11 173 57 9 0 -301.33 ± 45.48
456712 ncm-dbt-04 567601 500 49 227 224 -129.35 ± 14.24 9 167 67 7 0 -285.49 ± 42.08
456711 ncm-dbt-03 585843 500 38 228 234 -138.99 ± 13.48 10 173 64 3 0 -315.35 ± 43.03
456710 ncm-dbt-05 580157 500 41 231 228 -138.99 ± 12.9 9 173 67 1 0 -318.25 ± 41.77
456709 ncm-dbt-02 587240 500 37 234 229 -144.71 ± 13.67 13 173 62 2 0 -327.18 ± 43.69
456708 ncm-dbt-01 582235 500 40 225 235 -134.95 ± 13.78 11 166 70 3 0 -298.62 ± 41.01
456707 ncm-dbt-04 566691 500 31 228 241 -144.71 ± 13.28 9 183 54 4 0 -339.63 ± 47.1
456706 ncm-dbt-03 584537 500 37 214 249 -128.55 ± 15.08 16 150 79 5 0 -265.78 ± 38.54
456705 ncm-dbt-05 578218 500 39 223 238 -134.15 ± 13.8 8 174 62 6 0 -304.07 ± 43.81
456704 ncm-dbt-01 585042 500 40 225 235 -134.95 ± 13.78 9 172 64 5 0 -304.07 ± 43.1
456703 ncm-dbt-02 588260 500 44 212 244 -121.45 ± 15.14 13 150 79 8 0 -251.89 ± 38.63
456702 ncm-dbt-04 565626 500 37 234 229 -144.71 ± 13.28 10 180 57 3 0 -336.46 ± 45.77
456701 ncm-dbt-03 586266 500 36 234 230 -145.54 ± 14.02 14 173 60 3 0 -327.18 ± 44.54
456700 ncm-dbt-05 577397 500 38 223 239 -134.95 ± 13.41 9 170 68 3 0 -304.07 ± 41.65
456699 ncm-dbt-01 584453 500 47 234 219 -136.56 ± 13.73 10 171 65 4 0 -306.84 ± 42.73
456698 ncm-dbt-02 585717 500 50 225 225 -126.97 ± 14.28 9 164 70 7 0 -277.93 ± 41.14
456697 ncm-dbt-04 566967 500 44 223 233 -130.14 ± 14.06 12 158 77 3 0 -280.42 ± 38.93
456696 ncm-dbt-03 584495 500 41 222 237 -131.74 ± 15.21 12 167 61 10 0 -285.49 ± 43.92
456695 ncm-dbt-01 580655 500 31 234 235 -149.68 ± 12.66 9 187 52 2 0 -359.68 ± 48.01
456694 ncm-dbt-05 581319 500 34 222 244 -137.37 ± 13.34 6 181 59 3 1 -324.17 ± 44.97
456693 ncm-dbt-02 585379 500 34 223 243 -138.18 ± 14.06 12 169 65 4 0 -306.84 ± 42.73

Commit

Commit ID 40cb0f076a62115af030c4524825d9ba73d61023
Author Lolligerhans
Date 2021-02-16 00:31:42 UTC
Small trivial clean-ups, February 2021 Closes https://github.com/official-stockfish/Stockfish/pull/3329 No functional change
Copyright 2011–2026 Next Chess Move LLC