Dev Builds » 20201104-1852

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 06:48:32 583377 4014 286 1873 1855 -145.28 ± 4.88 95 1430 449 33 0 -332.85 ± 16.1
ncm-dbt-02 06:48:10 585846 3988 292 1815 1881 -139.77 ± 4.98 100 1353 511 30 0 -310.8 ± 15.07
ncm-dbt-03 06:47:52 584982 4010 286 1905 1819 -148.74 ± 4.95 113 1421 444 26 1 -339.33 ± 16.19
ncm-dbt-04 06:47:27 566953 4022 282 1849 1891 -142.91 ± 4.99 96 1417 458 38 2 -324.52 ± 15.94
ncm-dbt-05 06:47:31 579422 3966 290 1848 1828 -144.24 ± 4.95 99 1391 462 31 0 -326.99 ± 15.87
20000 1436 9290 9274 -144.18 ± 2.21 503 7012 2324 158 3 -326.72 ± 7.06

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
458849 ncm-dbt-03 583196 10 2 6 2 -147.0 ± 148.24 1 2 2 0 0 -240.65 ± 570.11
458848 ncm-dbt-01 584495 14 0 7 7 -190.68 ± 96.09 1 5 1 0 0 -445.23 ± 480.27
458847 ncm-dbt-04 568554 22 1 11 10 -170.29 ± 68.04 1 8 2 0 0 -399.83 ± 482.22
458846 ncm-dbt-05 580199 466 31 209 226 -139.79 ± 13.48 6 170 53 4 0 -328.85 ± 47.54
458845 ncm-dbt-02 584034 488 32 222 234 -142.8 ± 13.38 12 166 66 0 0 -322.3 ± 41.92
458844 ncm-dbt-03 584495 500 33 229 238 -143.89 ± 13.12 9 181 57 3 0 -336.46 ± 45.77
458843 ncm-dbt-01 583866 500 32 238 230 -152.18 ± 13.16 13 181 55 1 0 -356.21 ± 46.49
458842 ncm-dbt-04 568077 500 39 231 230 -140.62 ± 13.99 12 172 62 4 0 -315.35 ± 43.81
458841 ncm-dbt-05 581236 500 29 233 238 -150.51 ± 12.83 12 180 58 0 0 -352.79 ± 45.01
458840 ncm-dbt-02 584916 500 34 231 235 -144.71 ± 14.41 17 165 66 2 0 -315.35 ± 42.24
458839 ncm-dbt-03 586266 500 35 236 229 -148.02 ± 12.32 5 195 46 4 0 -366.78 ± 51.18
458838 ncm-dbt-01 583405 500 25 229 246 -150.51 ± 14.4 15 179 51 5 0 -342.85 ± 48.46
458837 ncm-dbt-04 559977 500 34 235 231 -148.02 ± 14.67 14 179 52 4 1 -339.63 ± 47.98
458836 ncm-dbt-05 576292 500 34 230 236 -143.89 ± 14.07 11 180 53 6 0 -330.23 ± 47.44
458835 ncm-dbt-02 585169 500 35 232 233 -144.71 ± 14.04 12 178 55 5 0 -330.23 ± 46.62
458834 ncm-dbt-04 568156 500 41 225 234 -134.15 ± 15.33 11 173 56 9 1 -298.62 ± 45.75
458833 ncm-dbt-01 583698 500 29 242 229 -158.08 ± 14.08 16 185 45 4 0 -370.41 ± 51.77
458832 ncm-dbt-03 585379 500 22 246 232 -167.53 ± 13.13 16 194 38 2 0 -415.05 ± 56.74
458831 ncm-dbt-02 587028 500 33 233 234 -147.19 ± 13.38 11 181 55 3 0 -342.85 ± 46.64
458830 ncm-dbt-05 581319 500 40 242 218 -148.85 ± 14.09 15 175 57 3 0 -336.46 ± 45.77
458829 ncm-dbt-04 568236 500 31 234 235 -149.68 ± 14.8 16 177 51 6 0 -336.46 ± 48.37
458828 ncm-dbt-01 583237 500 41 244 215 -149.68 ± 13.86 13 181 52 4 0 -346.12 ± 48.03
458827 ncm-dbt-03 584076 500 31 239 230 -153.86 ± 14.65 16 182 46 6 0 -352.8 ± 50.93
458826 ncm-dbt-02 586520 500 47 226 227 -130.14 ± 14.23 13 156 78 3 0 -277.93 ± 38.66
458825 ncm-dbt-05 579001 500 43 236 221 -141.44 ± 14.68 15 168 62 5 0 -309.64 ± 43.82
458824 ncm-dbt-01 582694 500 35 215 250 -130.94 ± 13.51 6 174 64 6 0 -298.62 ± 43.1
458823 ncm-dbt-04 567601 500 27 231 242 -150.51 ± 12.4 8 190 50 2 0 -366.78 ± 49.02
458822 ncm-dbt-03 585590 500 42 226 232 -134.15 ± 14.33 13 161 74 1 1 -293.29 ± 39.69
458821 ncm-dbt-02 586943 500 36 230 234 -142.25 ± 15.01 17 165 63 5 0 -306.84 ± 43.45
458820 ncm-dbt-01 583992 500 37 233 230 -143.89 ± 12.92 8 183 56 3 0 -339.63 ± 46.2
458819 ncm-dbt-05 579042 500 42 227 231 -134.95 ± 15.32 15 163 64 8 0 -288.06 ± 43.03
458818 ncm-dbt-04 565587 500 33 232 235 -146.36 ± 13.8 12 179 55 4 0 -336.46 ± 46.65
458817 ncm-dbt-03 584495 500 31 247 222 -160.63 ± 14.16 21 174 55 0 0 -363.19 ± 46.32
458816 ncm-dbt-02 584579 500 34 215 251 -131.74 ± 13.67 9 167 70 4 0 -293.29 ± 41.07
458815 ncm-dbt-05 574135 500 30 239 231 -154.7 ± 13.45 15 180 54 1 0 -359.68 ± 46.95
458814 ncm-dbt-01 583154 500 42 232 226 -138.99 ± 14.03 10 176 58 6 0 -315.35 ± 45.33
458813 ncm-dbt-04 568633 500 37 221 242 -134.15 ± 13.61 10 167 70 3 0 -298.62 ± 41.01
458812 ncm-dbt-03 585843 500 47 246 207 -146.36 ± 14.54 17 168 62 3 0 -321.19 ± 43.77
458811 ncm-dbt-05 584159 500 41 232 227 -139.81 ± 13.64 10 175 61 4 0 -318.25 ± 44.18
458810 ncm-dbt-04 567759 500 39 229 232 -138.99 ± 14.39 12 172 60 6 0 -309.64 ± 44.55
458809 ncm-dbt-02 587579 500 41 226 233 -134.95 ± 14.31 9 175 58 8 0 -304.07 ± 45.19
458808 ncm-dbt-01 581860 500 45 233 222 -137.37 ± 14.25 13 166 67 4 0 -301.33 ± 42.04
458807 ncm-dbt-03 585506 500 43 230 227 -136.56 ± 15.13 15 164 64 7 0 -293.29 ± 43.07

Commit

Commit ID 3f6451eff7c62e8d4a33c5b11f055a81b3da8387
Author Tomasz Sobczyk
Date 2020-11-04 18:52:42 UTC
Manually align arrays on the stack as a workaround to issues with overaligned alignas() on stack variables in gcc < 9.3 on windows. closes https://github.com/official-stockfish/Stockfish/pull/3217 fixes #3216 No functional change
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