Dev Builds » 20210108-1557

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 06:50:57 584007 4014 278 1867 1869 -145.48 ± 5.11 115 1401 449 42 0 -325.99 ± 16.09
ncm-dbt-02 06:51:36 586297 3994 306 1801 1887 -136.69 ± 5.05 89 1365 495 48 0 -304.11 ± 15.33
ncm-dbt-03 06:50:58 584557 4000 306 1803 1891 -136.67 ± 4.92 81 1375 504 40 0 -306.84 ± 15.19
ncm-dbt-04 06:51:27 567624 4012 303 1857 1852 -141.98 ± 4.76 87 1402 495 22 0 -323.65 ± 15.3
ncm-dbt-05 06:51:38 579268 3980 272 1795 1913 -140.08 ± 4.93 89 1380 486 35 0 -315.78 ± 15.47
20000 1465 9123 9412 -140.17 ± 2.22 461 6923 2429 187 0 -315.13 ± 6.91

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
457809 ncm-dbt-04 568951 12 1 6 5 -154.02 ± 64.21 0 5 1 0 0 -416.21 ± 496.36
457808 ncm-dbt-01 585843 14 0 8 6 -225.51 ± 134.58 2 4 1 0 0 -445.23 ± 480.27
457807 ncm-dbt-05 583531 480 26 212 242 -142.05 ± 13.35 8 173 56 3 0 -331.51 ± 46.18
457806 ncm-dbt-02 588132 494 40 215 239 -128.65 ± 15.05 11 162 65 9 0 -277.91 ± 42.65
457805 ncm-dbt-03 585843 500 36 221 243 -134.95 ± 13.96 8 176 59 7 0 -306.84 ± 44.88
457804 ncm-dbt-04 567403 500 36 238 226 -148.85 ± 13.51 14 175 60 1 0 -339.63 ± 44.35
457803 ncm-dbt-01 584579 500 32 235 233 -149.68 ± 14.97 16 178 49 7 0 -336.46 ± 49.21
457802 ncm-dbt-05 577684 500 35 231 234 -143.89 ± 13.7 11 178 57 4 0 -330.23 ± 45.79
457801 ncm-dbt-03 584748 500 32 223 245 -139.81 ± 13.26 6 185 53 6 0 -330.23 ± 47.44
457800 ncm-dbt-02 587070 500 38 234 228 -143.89 ± 13.51 12 174 62 2 0 -327.18 ± 43.69
457799 ncm-dbt-04 568832 500 43 228 229 -134.95 ± 13.78 12 163 73 2 0 -295.94 ± 39.99
457798 ncm-dbt-01 584034 500 36 221 243 -134.95 ± 13.96 13 161 74 2 0 -293.29 ± 39.69
457797 ncm-dbt-05 577356 500 45 222 233 -128.55 ± 14.92 11 164 66 9 0 -277.93 ± 42.33
457796 ncm-dbt-02 583992 500 41 224 235 -133.34 ± 13.81 7 176 60 7 0 -304.07 ± 44.5
457795 ncm-dbt-03 585759 500 39 226 235 -136.56 ± 13.36 9 172 66 3 0 -309.64 ± 42.33
457794 ncm-dbt-04 568236 500 35 229 236 -142.25 ± 13.37 9 180 57 4 0 -330.23 ± 45.79
457793 ncm-dbt-01 583028 500 31 229 240 -145.54 ± 12.85 8 185 54 3 0 -346.12 ± 47.1
457792 ncm-dbt-05 577151 500 28 216 256 -137.37 ± 13.9 11 170 65 4 0 -306.84 ± 42.73
457791 ncm-dbt-03 584706 500 38 223 239 -134.95 ± 14.82 12 169 61 8 0 -295.94 ± 44.08
457790 ncm-dbt-04 566178 500 41 229 230 -137.37 ± 14.08 13 165 69 3 0 -301.33 ± 41.33
457789 ncm-dbt-02 583447 500 38 221 241 -133.34 ± 14.34 11 167 66 6 0 -293.29 ± 42.41
457788 ncm-dbt-01 582485 500 33 236 231 -149.68 ± 13.86 11 187 46 6 0 -352.8 ± 50.93
457787 ncm-dbt-05 577438 500 36 234 230 -145.54 ± 14.75 16 171 58 5 0 -321.19 ± 45.36
457786 ncm-dbt-03 585464 500 37 225 238 -137.37 ± 14.78 14 166 64 6 0 -298.62 ± 43.1
457785 ncm-dbt-02 586901 500 31 223 246 -140.62 ± 12.84 8 178 62 2 0 -327.18 ± 43.69
457784 ncm-dbt-01 583154 500 41 234 225 -141.44 ± 14.86 15 169 60 6 0 -309.64 ± 44.55
457783 ncm-dbt-04 566928 500 39 229 232 -138.99 ± 12.9 7 179 61 3 0 -324.17 ± 44.15
457782 ncm-dbt-03 586985 500 44 232 224 -137.37 ± 13.15 9 172 67 2 0 -312.48 ± 41.9
457781 ncm-dbt-05 582861 500 35 219 246 -134.15 ± 13.24 8 171 68 3 0 -304.07 ± 41.65
457780 ncm-dbt-04 568275 500 36 238 226 -148.85 ± 13.9 14 177 56 3 0 -339.63 ± 46.2
457779 ncm-dbt-01 583824 500 28 238 234 -155.54 ± 15.49 22 171 52 5 0 -339.63 ± 47.98
457778 ncm-dbt-02 586097 500 41 227 232 -135.76 ± 14.47 13 165 67 5 0 -295.94 ± 42.08
457777 ncm-dbt-05 577930 500 38 226 236 -137.37 ± 14.25 13 166 67 4 0 -301.33 ± 42.04
457776 ncm-dbt-03 584076 500 36 227 237 -139.81 ± 13.83 12 170 65 3 0 -312.48 ± 42.67
457775 ncm-dbt-02 585928 500 32 240 228 -153.86 ± 15.37 18 180 44 8 0 -346.12 ± 51.63
457774 ncm-dbt-01 585970 500 39 233 228 -142.25 ± 14.48 13 174 57 6 0 -318.25 ± 45.73
457773 ncm-dbt-04 565705 500 36 232 232 -143.89 ± 12.71 7 185 55 3 0 -342.85 ± 46.64
457772 ncm-dbt-03 578877 500 44 226 230 -132.54 ± 14.18 11 165 69 5 0 -290.66 ± 41.43
457771 ncm-dbt-01 583154 500 38 233 229 -143.07 ± 14.99 15 172 56 7 0 -315.35 ± 46.07
457770 ncm-dbt-05 580199 500 29 235 236 -152.18 ± 13.16 11 187 49 3 0 -363.2 ± 49.57
457769 ncm-dbt-02 588813 500 45 217 238 -124.6 ± 14.64 9 163 69 9 0 -270.57 ± 41.4
457768 ncm-dbt-04 568116 500 36 228 236 -140.62 ± 13.62 11 173 63 3 0 -318.25 ± 43.39

Commit

Commit ID 2c1be0be8ec51005befcd4fc422e88b6e32cef45
Author Vizvezdenec
Date 2021-01-08 15:57:26 UTC
Reorder conditions in LMR and pruning Make code logic somewhat easier to follow. closes https://github.com/official-stockfish/Stockfish/pull/3285 No functional change.
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