Dev Builds » 20251114-1629

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 06:43:58 581948 4000 1703 400 1897 +117.46 ± 4.63 1 39 643 1290 27 +262.54 ± 13.39
ncm-dbt-02 06:45:29 585433 3998 1691 423 1884 +114.13 ± 4.75 0 51 661 1255 32 +250.94 ± 13.22
ncm-dbt-03 06:44:36 585992 4000 1681 430 1889 +112.43 ± 4.66 0 46 682 1247 25 +247.97 ± 12.99
ncm-dbt-04 06:45:05 566192 4010 1709 406 1895 +117.14 ± 4.63 0 41 648 1288 28 +261.02 ± 13.34
ncm-dbt-05 06:45:49 581480 3992 1667 441 1884 +110.26 ± 4.66 0 51 686 1241 18 +243.67 ± 12.97
20000 8451 2100 9449 +114.28 ± 2.09 1 228 3320 6321 130 +253.14 ± 5.89

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
441039 ncm-dbt-04 565508 10 4 2 4 +70.36 ± 79.51 0 0 3 2 0 +147.07 ± 211.27
441038 ncm-dbt-02 585717 498 219 65 214 +111.07 ± 12.9 0 5 87 155 2 +246.55 ± 36.55
441037 ncm-dbt-01 583321 500 214 48 238 +119.89 ± 12.61 0 4 78 166 2 +273.0 ± 38.74
441036 ncm-dbt-03 585379 500 207 61 232 +104.49 ± 14.04 0 8 94 142 6 +219.87 ± 35.19
441035 ncm-dbt-05 578095 492 205 56 231 +108.62 ± 13.87 0 7 88 146 5 +232.99 ± 36.42
441034 ncm-dbt-04 567007 500 210 43 247 +120.67 ± 12.78 0 5 75 168 2 +275.45 ± 39.63
441033 ncm-dbt-02 586308 500 207 47 246 +115.22 ± 13.88 0 7 82 155 6 +249.64 ± 37.86
441032 ncm-dbt-01 581652 500 210 50 240 +115.22 ± 13.55 0 5 86 153 6 +249.64 ± 36.79
441031 ncm-dbt-03 587325 500 214 54 232 +115.22 ± 14.37 0 10 76 158 6 +249.64 ± 39.41
441030 ncm-dbt-05 583614 500 216 58 226 +113.68 ± 13.21 0 6 83 158 3 +251.89 ± 37.57
441029 ncm-dbt-04 566691 500 215 55 230 +115.22 ± 13.55 0 6 83 156 5 +251.89 ± 37.57
441028 ncm-dbt-02 584076 500 214 59 227 +111.37 ± 14.06 0 7 88 148 7 +236.51 ± 36.44
441027 ncm-dbt-01 585885 500 212 47 241 +119.11 ± 13.17 0 5 79 162 4 +265.78 ± 38.54
441026 ncm-dbt-03 585632 500 208 46 246 +116.77 ± 12.65 0 4 82 162 2 +263.42 ± 37.69
441025 ncm-dbt-05 581070 500 211 59 230 +109.07 ± 12.88 0 6 87 156 1 +243.0 ± 36.62
441024 ncm-dbt-04 568116 500 224 46 230 +129.35 ± 13.17 0 3 73 167 7 +290.66 ± 40.08
441023 ncm-dbt-02 584285 500 208 53 239 +111.37 ± 13.39 0 6 87 153 4 +243.0 ± 36.62
441022 ncm-dbt-01 577438 500 208 48 244 +115.23 ± 14.05 1 9 71 167 2 +261.07 ± 40.78
441021 ncm-dbt-03 585717 500 209 47 244 +116.77 ± 12.47 0 4 81 164 1 +265.78 ± 37.95
441020 ncm-dbt-05 580240 500 205 61 234 +102.97 ± 12.7 0 4 100 144 2 +223.94 ± 33.69
441019 ncm-dbt-04 567086 500 203 47 250 +112.14 ± 12.87 0 5 86 157 2 +249.64 ± 36.79
441018 ncm-dbt-01 581860 500 202 61 237 +100.7 ± 13.03 0 6 99 143 2 +217.85 ± 34.06
441017 ncm-dbt-03 586689 500 207 49 244 +113.68 ± 12.68 0 2 92 152 4 +249.64 ± 35.13
441016 ncm-dbt-02 587070 500 212 44 244 +121.45 ± 12.95 0 6 72 170 2 +277.93 ± 40.53
441015 ncm-dbt-05 582110 500 209 40 251 +122.24 ± 12.76 0 3 79 164 4 +275.45 ± 38.39
441014 ncm-dbt-04 565115 500 212 49 239 +117.55 ± 12.08 0 3 81 166 0 +270.57 ± 37.86
441013 ncm-dbt-01 583614 500 226 43 231 +133.34 ± 12.49 0 3 65 178 4 +312.48 ± 42.67
441012 ncm-dbt-02 586308 500 204 59 237 +103.73 ± 13.87 0 12 82 155 1 +228.08 ± 37.89
441011 ncm-dbt-03 585253 500 211 56 233 +111.37 ± 12.87 0 6 84 159 1 +249.64 ± 37.33
441010 ncm-dbt-05 580779 500 209 53 238 +112.14 ± 12.87 0 6 83 160 1 +251.89 ± 37.57
441009 ncm-dbt-04 565587 500 211 56 233 +111.37 ± 13.22 0 6 86 155 3 +245.2 ± 36.85
441008 ncm-dbt-01 579537 500 218 54 228 +118.33 ± 13.17 0 4 83 158 5 +261.07 ± 37.44
441007 ncm-dbt-02 584243 500 215 45 240 +123.02 ± 12.93 0 3 79 163 5 +275.45 ± 38.39
441006 ncm-dbt-05 581402 500 207 63 230 +102.97 ± 13.71 0 11 85 153 1 +226.0 ± 37.21
441005 ncm-dbt-03 587494 500 219 62 219 +112.91 ± 13.04 0 6 83 159 2 +251.89 ± 37.57
441004 ncm-dbt-04 564801 500 212 50 238 +116.77 ± 13.19 0 3 88 153 6 +254.16 ± 36.15
441003 ncm-dbt-01 582277 500 213 49 238 +118.33 ± 12.44 0 3 82 163 2 +268.17 ± 37.61
441002 ncm-dbt-03 584453 500 206 55 239 +108.3 ± 13.23 0 6 90 151 3 +236.51 ± 35.94
441001 ncm-dbt-02 585464 500 212 51 237 +116.0 ± 13.37 0 5 84 156 5 +254.16 ± 37.27
441000 ncm-dbt-04 565823 500 218 58 224 +115.22 ± 13.88 0 10 73 164 3 +256.44 ± 40.21
440999 ncm-dbt-05 584537 500 205 51 244 +110.6 ± 13.22 0 8 81 160 1 +247.41 ± 38.13

Commit

Commit ID bd82b9e01f9e5280b5e3771891e4c471d16cfc08
Author Shawn Xu
Date 2025-11-14 16:29:01 UTC
Cleanup, fix style issues use naming convention for variables, functions, constants closes https://github.com/official-stockfish/Stockfish/pull/6416 no functional change
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