Dev Builds » 20210307-1902

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 06:44:07 583732 3992 312 1786 1894 -134.65 ± 5.01 89 1336 531 40 0 -297.2 ± 14.79
ncm-dbt-02 06:42:44 585967 4000 307 1865 1828 -142.87 ± 5.07 116 1357 496 31 0 -316.07 ± 15.31
ncm-dbt-03 06:43:58 584660 4024 293 1863 1868 -143.14 ± 4.84 101 1388 503 20 0 -322.76 ± 15.17
ncm-dbt-04 06:44:40 567507 3994 301 1832 1861 -140.35 ± 4.92 92 1379 494 32 0 -315.77 ± 15.34
ncm-dbt-05 06:44:47 581085 3990 319 1801 1870 -135.53 ± 4.92 85 1345 532 33 0 -301.5 ± 14.77
20000 1532 9147 9321 -139.3 ± 2.22 483 6805 2556 156 0 -310.49 ± 6.73

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
456560 ncm-dbt-03 586689 24 1 9 14 -120.36 ± 52.76 0 8 4 0 0 -279.5 ± 218.99
456559 ncm-dbt-04 569310 494 37 223 234 -137.58 ± 14.73 14 163 65 5 0 -298.86 ± 42.74
456558 ncm-dbt-01 585506 492 25 217 250 -143.17 ± 13.49 11 172 61 2 0 -327.01 ± 44.06
456557 ncm-dbt-05 578300 490 36 224 230 -140.49 ± 14.75 16 159 67 3 0 -302.73 ± 41.97
456556 ncm-dbt-02 585717 500 41 236 223 -143.07 ± 14.46 15 169 62 4 0 -315.35 ± 43.81
456555 ncm-dbt-03 585253 500 38 242 220 -150.51 ± 14.4 16 176 54 4 0 -339.63 ± 47.1
456554 ncm-dbt-01 582819 500 41 236 223 -143.07 ± 14.28 14 171 61 4 0 -318.25 ± 44.18
456553 ncm-dbt-04 569350 500 42 232 226 -138.99 ± 14.74 14 168 62 6 0 -304.07 ± 43.81
456552 ncm-dbt-05 579124 500 32 232 236 -147.19 ± 13.58 13 176 59 2 0 -336.46 ± 44.87
456551 ncm-dbt-02 586943 500 37 241 222 -150.51 ± 14.21 17 172 59 2 0 -336.46 ± 44.87
456550 ncm-dbt-03 583908 500 47 221 232 -126.17 ± 13.77 11 154 83 2 0 -270.57 ± 37.24
456549 ncm-dbt-01 585000 500 42 228 230 -135.76 ± 13.76 10 170 66 4 0 -304.07 ± 42.38
456548 ncm-dbt-04 567047 500 41 225 234 -134.15 ± 14.33 10 171 62 7 0 -298.62 ± 43.77
456547 ncm-dbt-05 581569 500 52 219 229 -120.67 ± 14.51 9 157 76 8 0 -258.75 ± 39.42
456546 ncm-dbt-02 584159 500 38 220 242 -132.54 ± 14.18 12 162 72 4 0 -288.06 ± 40.46
456545 ncm-dbt-03 585885 500 30 230 240 -147.19 ± 13.18 12 177 60 1 0 -339.63 ± 44.35
456544 ncm-dbt-01 584159 500 31 224 245 -141.44 ± 14.68 14 171 59 6 0 -312.48 ± 44.93
456543 ncm-dbt-04 565902 500 39 226 235 -136.56 ± 14.27 12 168 65 5 0 -301.33 ± 42.75
456542 ncm-dbt-05 578794 500 37 210 253 -125.38 ± 12.7 5 165 78 2 0 -282.94 ± 38.55
456541 ncm-dbt-02 589924 500 38 230 232 -140.62 ± 15.05 18 160 68 4 0 -298.62 ± 41.71
456540 ncm-dbt-03 585042 500 33 233 234 -147.19 ± 13.96 14 175 58 3 0 -333.32 ± 45.35
456539 ncm-dbt-01 582027 500 47 217 236 -123.02 ± 13.99 8 160 76 6 0 -268.17 ± 39.39
456538 ncm-dbt-04 568474 500 36 237 227 -148.02 ± 13.54 13 177 58 2 0 -339.63 ± 45.29
456537 ncm-dbt-05 585717 500 39 229 232 -138.99 ± 12.9 10 170 70 0 0 -315.34 ± 40.62
456536 ncm-dbt-02 583405 500 31 234 235 -149.68 ± 12.87 8 191 47 4 0 -363.2 ± 50.62
456535 ncm-dbt-03 584453 500 27 241 232 -158.93 ± 13.64 17 181 51 1 0 -370.41 ± 48.42
456534 ncm-dbt-01 583782 500 48 222 230 -126.17 ± 13.95 9 161 75 5 0 -275.45 ± 39.63
456533 ncm-dbt-04 564017 500 31 234 235 -149.68 ± 13.47 13 179 56 2 0 -346.12 ± 46.15
456532 ncm-dbt-02 588515 500 42 230 228 -137.37 ± 13.71 10 172 64 4 0 -309.64 ± 43.08
456531 ncm-dbt-05 580116 500 37 230 233 -141.44 ± 13.96 10 179 55 6 0 -324.17 ± 46.56
456530 ncm-dbt-03 583489 500 33 233 234 -147.19 ± 13.77 15 171 63 1 0 -330.23 ± 43.2
456529 ncm-dbt-04 566770 500 36 227 237 -139.81 ± 12.47 5 184 58 3 0 -333.32 ± 45.35
456528 ncm-dbt-01 584706 500 44 219 237 -126.97 ± 14.61 10 163 69 8 0 -275.45 ± 41.43
456527 ncm-dbt-05 583992 500 37 219 244 -132.54 ± 13.28 7 172 67 4 0 -301.33 ± 42.04
456526 ncm-dbt-02 585379 500 33 230 237 -144.71 ± 13.67 14 170 65 1 0 -324.17 ± 42.47
456525 ncm-dbt-03 583572 500 42 230 228 -137.37 ± 13.53 7 180 57 6 0 -318.25 ± 45.73
456524 ncm-dbt-02 583698 500 47 244 209 -144.71 ± 16.28 22 161 59 8 0 -301.33 ± 44.81
456523 ncm-dbt-01 581860 500 34 223 243 -138.18 ± 14.41 13 168 64 5 0 -304.07 ± 43.1
456522 ncm-dbt-03 583656 500 42 224 234 -132.54 ± 13.28 9 166 73 2 0 -295.94 ± 39.99
456521 ncm-dbt-05 581070 500 49 238 213 -138.18 ± 15.26 15 167 60 8 0 -298.62 ± 44.44
456520 ncm-dbt-04 569190 500 39 228 233 -138.18 ± 13.5 11 169 68 2 0 -309.64 ± 41.56

Commit

Commit ID d4b864ff126e4a5784c9d7f636be057c247738f1
Author noobpwnftw
Date 2021-03-07 19:02:11 UTC
Do not try to use large pages on 32 bit Windows. verified to work on windows XP. fixes #3379 closes https://github.com/official-stockfish/Stockfish/pull/3380 No functional change.
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