Dev Builds » 20210307-1305

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 06:43:04 582496 4008 319 1855 1834 -140.31 ± 5.06 113 1340 522 28 1 -308.65 ± 14.91
ncm-dbt-02 06:42:06 585750 4000 343 1811 1846 -133.75 ± 4.92 83 1336 547 34 0 -296.27 ± 14.56
ncm-dbt-03 06:43:26 584324 4014 336 1841 1837 -136.94 ± 5.09 99 1351 514 42 1 -302.04 ± 15.04
ncm-dbt-04 06:41:39 567696 4000 335 1830 1835 -136.46 ± 4.97 91 1349 524 36 0 -302.7 ± 14.89
ncm-dbt-05 06:43:27 579829 3978 283 1800 1895 -139.54 ± 5.05 99 1357 496 36 1 -310.65 ± 15.31
20000 1616 9137 9247 -137.39 ± 2.24 485 6733 2603 176 3 -304.0 ± 6.67

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
456603 ncm-dbt-03 580365 14 3 6 5 -75.56 ± 67.89 0 3 4 0 0 -159.09 ± 177.81
456602 ncm-dbt-01 582277 8 1 4 3 -136.8 ± 89.09 0 3 1 0 0 -337.69 ± 541.44
456601 ncm-dbt-05 578300 478 35 209 234 -132.55 ± 14.26 9 161 64 5 0 -294.86 ± 43.08
456600 ncm-dbt-02 584327 500 41 219 240 -129.35 ± 13.72 8 167 70 5 0 -288.06 ± 41.11
456599 ncm-dbt-04 568434 500 35 217 248 -132.54 ± 12.91 6 173 68 3 0 -304.07 ± 41.65
456598 ncm-dbt-03 584034 500 36 235 229 -146.36 ± 14.54 17 168 62 3 0 -321.19 ± 43.77
456597 ncm-dbt-01 580282 500 45 232 223 -136.56 ± 13.55 9 173 64 4 0 -309.64 ± 43.08
456596 ncm-dbt-05 582027 500 35 219 246 -134.15 ± 14.67 15 158 73 4 0 -285.49 ± 40.16
456595 ncm-dbt-02 584495 500 42 234 224 -140.62 ± 13.04 8 179 60 3 0 -327.18 ± 44.54
456594 ncm-dbt-04 566296 500 43 235 222 -140.62 ± 15.55 19 160 65 6 0 -295.94 ± 42.75
456593 ncm-dbt-03 585928 500 36 239 225 -149.68 ± 14.61 18 170 59 3 0 -330.23 ± 44.94
456592 ncm-dbt-01 583196 500 42 231 227 -138.18 ± 14.23 13 167 66 4 0 -304.07 ± 42.38
456591 ncm-dbt-05 583237 500 34 231 235 -144.71 ± 13.28 10 180 57 3 0 -336.46 ± 45.77
456590 ncm-dbt-02 585717 500 44 237 219 -141.44 ± 14.15 12 174 59 5 0 -318.25 ± 44.96
456589 ncm-dbt-03 583028 500 39 229 232 -138.99 ± 14.74 13 171 59 7 0 -306.84 ± 44.88
456588 ncm-dbt-01 583489 500 29 223 248 -142.25 ± 13.94 16 162 72 0 0 -309.64 ± 40.0
456587 ncm-dbt-04 568434 500 35 225 240 -138.99 ± 12.9 8 176 64 2 0 -321.19 ± 42.95
456586 ncm-dbt-02 587494 500 39 220 241 -131.74 ± 15.04 15 157 72 6 0 -277.93 ± 40.53
456585 ncm-dbt-05 578300 500 35 229 236 -142.25 ± 13.94 12 174 60 4 0 -321.19 ± 44.57
456584 ncm-dbt-03 584790 500 49 232 219 -133.34 ± 13.81 11 164 72 3 0 -293.29 ± 40.39
456583 ncm-dbt-01 581361 500 41 242 217 -148.02 ± 15.03 19 167 60 4 0 -321.19 ± 44.57
456582 ncm-dbt-04 566770 500 47 229 224 -132.54 ± 13.47 7 173 65 5 0 -301.33 ± 42.75
456581 ncm-dbt-05 578177 500 45 226 229 -131.74 ± 14.88 10 170 62 7 1 -293.29 ± 43.72
456580 ncm-dbt-02 584916 500 48 218 234 -123.02 ± 13.99 8 160 76 6 0 -268.17 ± 39.39
456579 ncm-dbt-03 587919 500 40 224 236 -134.15 ± 13.61 7 176 61 6 0 -306.84 ± 44.17
456578 ncm-dbt-01 579042 500 43 222 235 -130.15 ± 15.06 14 157 74 4 1 -277.93 ± 39.92
456577 ncm-dbt-04 567958 500 57 230 213 -125.38 ± 15.12 12 158 71 9 0 -265.78 ± 40.81
456576 ncm-dbt-02 586943 500 40 226 234 -135.76 ± 13.94 13 162 73 2 0 -295.94 ± 39.99
456575 ncm-dbt-05 584076 500 33 227 240 -142.25 ± 14.66 16 166 64 4 0 -309.64 ± 43.08
456574 ncm-dbt-01 582527 500 41 232 227 -139.81 ± 14.72 15 166 64 5 0 -304.07 ± 43.1
456573 ncm-dbt-03 585084 500 37 226 237 -138.18 ± 14.06 10 175 59 6 0 -312.48 ± 44.93
456572 ncm-dbt-04 567878 500 33 229 238 -143.89 ± 13.89 15 167 67 1 0 -318.25 ± 41.77
456571 ncm-dbt-02 586139 500 46 226 228 -130.94 ± 12.95 7 168 73 2 0 -295.94 ± 39.99
456570 ncm-dbt-05 573406 500 28 224 248 -143.89 ± 13.31 9 182 55 4 0 -336.46 ± 46.65
456569 ncm-dbt-03 584117 500 47 216 237 -122.24 ± 14.98 9 161 71 8 1 -265.78 ± 40.81
456568 ncm-dbt-01 584832 500 34 239 227 -151.34 ± 14.37 17 174 56 3 0 -339.63 ± 46.2
456567 ncm-dbt-04 567284 500 39 231 230 -140.62 ± 13.99 11 175 59 5 0 -318.25 ± 44.96
456566 ncm-dbt-02 585970 500 43 231 226 -137.37 ± 14.25 12 169 64 5 0 -304.07 ± 43.1
456565 ncm-dbt-05 581111 500 38 235 227 -144.71 ± 15.12 18 166 61 5 0 -312.48 ± 44.19
456564 ncm-dbt-03 583656 500 49 234 217 -134.95 ± 14.82 14 163 67 6 0 -290.66 ± 42.08
456563 ncm-dbt-01 585464 500 43 230 227 -136.56 ± 13.73 10 171 65 4 0 -306.84 ± 42.73
456562 ncm-dbt-04 568514 500 46 234 220 -137.37 ± 14.43 13 167 65 5 0 -301.33 ± 42.75

Commit

Commit ID 9b1274aba3cad440b925283fe7407954743ade78
Author Antoine Champion
Date 2021-03-07 13:05:01 UTC
Clean functions returning by const values The codebase contains multiple functions returning by const-value. This patch is a small cleanup making those function returns by value instead, removing the const specifier. closes https://github.com/official-stockfish/Stockfish/pull/3328 No functional change
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