Dev Builds » 20210415-1021

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 06:42:15 582874 4000 315 1813 1872 -136.77 ± 5.08 101 1336 523 40 0 -300.31 ± 14.91
ncm-dbt-02 06:41:48 586408 4000 309 1823 1868 -138.39 ± 5.06 99 1356 506 38 1 -306.84 ± 15.16
ncm-dbt-03 06:42:01 585693 4000 308 1834 1858 -139.6 ± 5.13 102 1368 486 42 2 -310.35 ± 15.47
ncm-dbt-04 06:41:27 566197 4000 317 1810 1873 -136.26 ± 4.94 83 1367 510 40 0 -304.76 ± 15.1
ncm-dbt-05 06:42:40 579934 4000 328 1815 1857 -135.66 ± 5.03 99 1322 547 31 1 -297.61 ± 14.56
20000 1577 9095 9328 -137.33 ± 2.26 484 6749 2572 191 4 -303.93 ± 6.71

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
452613 ncm-dbt-02 586308 500 46 231 223 -134.95 ± 16.12 18 159 63 10 0 -280.42 ± 43.24
452612 ncm-dbt-05 579785 500 42 225 233 -133.34 ± 13.63 11 163 74 2 0 -293.29 ± 39.69
452611 ncm-dbt-03 585421 500 41 235 224 -142.25 ± 14.3 14 170 62 4 0 -315.35 ± 43.81
452610 ncm-dbt-04 565154 500 29 238 233 -154.7 ± 13.03 12 187 49 2 0 -370.41 ± 49.56
452609 ncm-dbt-01 582945 500 37 228 235 -139.81 ± 14.55 13 171 60 6 0 -309.64 ± 44.55
452608 ncm-dbt-02 586012 500 29 234 237 -151.34 ± 13.99 13 184 48 5 0 -352.8 ± 49.98
452607 ncm-dbt-04 567958 500 47 230 223 -133.34 ± 14.85 14 161 69 6 0 -285.49 ± 41.44
452606 ncm-dbt-03 583028 500 35 219 246 -134.15 ± 14.67 12 167 64 7 0 -293.29 ± 43.07
452605 ncm-dbt-05 581361 500 32 236 232 -150.51 ± 13.83 15 176 57 2 0 -342.85 ± 45.71
452604 ncm-dbt-01 579826 500 46 234 220 -137.37 ± 14.08 13 165 69 3 0 -301.33 ± 41.33
452603 ncm-dbt-02 586308 500 38 227 235 -138.18 ± 12.53 6 179 63 2 0 -324.17 ± 43.32
452602 ncm-dbt-01 583489 500 36 223 241 -136.56 ± 14.62 16 158 73 3 0 -290.66 ± 40.08
452601 ncm-dbt-05 576987 500 35 224 241 -138.18 ± 14.59 15 163 68 4 0 -298.62 ± 41.71
452600 ncm-dbt-04 568514 500 32 221 247 -138.18 ± 13.32 7 180 58 5 0 -321.19 ± 45.36
452599 ncm-dbt-03 584958 500 28 229 243 -148.02 ± 12.74 10 182 57 1 0 -349.43 ± 45.6
452598 ncm-dbt-02 587113 500 35 228 237 -141.44 ± 13.59 12 171 65 2 0 -318.25 ± 42.59
452597 ncm-dbt-01 583321 500 47 233 220 -135.76 ± 14.81 14 164 66 6 0 -293.29 ± 42.41
452596 ncm-dbt-05 580075 500 34 235 231 -148.02 ± 14.12 13 180 52 5 0 -339.63 ± 47.98
452595 ncm-dbt-03 585084 500 36 229 235 -141.44 ± 15.03 15 170 58 7 0 -309.64 ± 45.27
452594 ncm-dbt-04 565587 500 33 219 248 -135.76 ± 13.94 11 168 67 4 0 -301.33 ± 42.04
452593 ncm-dbt-02 585421 500 35 230 235 -143.07 ± 14.1 14 170 63 3 0 -318.25 ± 43.39
452592 ncm-dbt-01 583321 500 36 225 239 -138.18 ± 13.87 12 168 67 3 0 -306.84 ± 41.99
452591 ncm-dbt-03 586604 500 43 236 221 -141.44 ± 16.02 19 163 61 6 1 -301.33 ± 44.13
452590 ncm-dbt-05 582819 500 53 224 223 -123.81 ± 14.15 11 153 82 4 0 -263.42 ± 37.69
452589 ncm-dbt-04 569270 500 49 225 226 -127.76 ± 15.09 10 167 62 11 0 -277.93 ± 43.49
452588 ncm-dbt-02 586774 500 42 228 230 -135.76 ± 14.81 13 166 66 4 1 -298.62 ± 42.41
452587 ncm-dbt-01 584034 500 41 225 234 -134.15 ± 14.33 12 165 68 5 0 -293.29 ± 41.75
452586 ncm-dbt-03 587325 500 44 233 223 -138.18 ± 13.69 10 173 63 4 0 -312.48 ± 43.44
452585 ncm-dbt-05 578136 500 46 223 231 -128.55 ± 14.92 11 163 69 6 1 -280.42 ± 41.44
452584 ncm-dbt-04 562068 500 41 222 237 -131.74 ± 14.03 9 169 66 6 0 -293.29 ± 42.41
452583 ncm-dbt-02 586604 500 46 226 228 -130.94 ± 14.22 10 166 68 6 0 -288.06 ± 41.76
452582 ncm-dbt-01 583405 500 34 224 242 -138.99 ± 14.91 12 175 54 9 0 -309.64 ± 46.67
452581 ncm-dbt-05 580033 500 41 226 233 -134.95 ± 13.78 12 163 73 2 0 -295.94 ± 39.99
452580 ncm-dbt-03 587282 500 36 226 238 -138.99 ± 14.21 9 179 56 5 1 -321.19 ± 46.14
452579 ncm-dbt-04 563431 500 44 229 227 -134.95 ± 13.41 8 173 65 4 0 -306.84 ± 42.73
452578 ncm-dbt-02 586731 500 38 219 243 -131.74 ± 14.71 13 161 70 6 0 -282.94 ± 41.13
452577 ncm-dbt-04 567601 500 42 226 232 -134.15 ± 13.8 12 162 74 2 0 -293.29 ± 39.69
452576 ncm-dbt-05 580282 500 45 222 233 -128.55 ± 14.42 11 161 72 6 0 -277.93 ± 40.53
452575 ncm-dbt-01 582652 500 38 221 241 -133.34 ± 13.81 9 170 66 5 0 -298.62 ± 42.41
452574 ncm-dbt-03 585843 500 45 227 228 -132.54 ± 15.03 13 164 65 8 0 -285.49 ± 42.7

Commit

Commit ID 255514fb29f5a7a2c95863c9b074e36209b841c1
Author Tomasz Sobczyk
Date 2021-04-15 10:21:30 UTC
Documentation patch: AppendChangedIndices Clarify the assumptions on the position passed to the AppendChangedIndices(). Closes https://github.com/official-stockfish/Stockfish/pull/3428 No functional change
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