Dev Builds » 20210425-1126

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 06:42:55 583623 3992 313 1811 1868 -137.07 ± 5.01 96 1342 522 36 0 -302.97 ± 14.92
ncm-dbt-02 06:41:35 587085 4018 340 1810 1868 -133.29 ± 4.98 90 1326 557 36 0 -292.57 ± 14.43
ncm-dbt-03 06:41:42 584082 3992 307 1805 1880 -137.07 ± 4.93 85 1364 511 36 0 -306.78 ± 15.08
ncm-dbt-04 06:40:07 567319 4000 349 1846 1805 -136.67 ± 5.2 106 1336 507 51 0 -298.28 ± 15.14
ncm-dbt-05 06:42:27 581329 3998 297 1836 1865 -141.01 ± 5.01 97 1383 483 34 2 -317.06 ± 15.52
20000 1606 9108 9286 -137.01 ± 2.25 474 6751 2580 193 2 -303.38 ± 6.7

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
456048 ncm-dbt-02 585717 18 2 7 9 -99.09 ± 86.45 0 6 2 1 0 -217.63 ± 581.07
456047 ncm-dbt-01 582611 492 32 221 239 -140.68 ± 14.52 14 165 63 4 0 -309.21 ± 43.43
456046 ncm-dbt-05 582444 498 37 234 227 -145.37 ± 13.88 12 177 56 4 0 -332.52 ± 46.21
456045 ncm-dbt-03 585084 492 42 218 232 -130.03 ± 13.67 8 164 70 4 0 -289.96 ± 41.06
456044 ncm-dbt-04 568593 500 43 236 221 -141.44 ± 14.33 14 169 63 4 0 -312.48 ± 43.44
456043 ncm-dbt-02 587240 500 47 227 226 -130.94 ± 13.32 8 167 72 3 0 -293.29 ± 40.39
456042 ncm-dbt-01 583405 500 49 217 234 -121.45 ± 14.5 11 152 81 6 0 -256.44 ± 38.07
456041 ncm-dbt-05 579620 500 35 220 245 -134.95 ± 13.78 10 169 67 4 0 -301.33 ± 42.04
456040 ncm-dbt-03 578877 500 38 224 238 -135.76 ± 12.62 5 179 63 3 0 -318.25 ± 43.39
456039 ncm-dbt-02 585928 500 41 224 235 -133.34 ± 14.34 15 155 78 2 0 -282.94 ± 38.55
456038 ncm-dbt-04 566375 500 40 233 227 -141.44 ± 13.59 12 171 65 2 0 -318.25 ± 42.59
456037 ncm-dbt-05 580240 500 34 236 230 -148.85 ± 12.91 10 184 54 2 0 -352.8 ± 47.05
456036 ncm-dbt-01 582318 500 37 237 226 -147.19 ± 13.96 14 175 58 3 0 -333.32 ± 45.35
456035 ncm-dbt-03 584117 500 40 231 229 -139.81 ± 14.19 13 169 64 4 0 -309.64 ± 43.08
456034 ncm-dbt-02 588472 500 36 232 232 -143.89 ± 13.31 10 179 58 3 0 -333.32 ± 45.35
456033 ncm-dbt-04 566493 500 46 233 221 -136.56 ± 15.13 14 167 61 8 0 -295.94 ± 44.08
456032 ncm-dbt-05 583950 500 40 229 231 -138.18 ± 14.76 13 169 63 4 1 -306.84 ± 43.45
456031 ncm-dbt-01 584748 500 45 234 221 -138.18 ± 13.69 10 173 63 4 0 -312.48 ± 43.44
456030 ncm-dbt-03 584832 500 44 213 243 -122.24 ± 13.83 7 161 76 6 0 -268.17 ± 39.39
456029 ncm-dbt-02 587707 500 46 232 222 -135.76 ± 13.39 8 174 64 4 0 -309.64 ± 43.08
456028 ncm-dbt-04 567403 500 39 231 230 -140.62 ± 14.87 17 162 67 4 0 -301.33 ± 42.04
456027 ncm-dbt-05 584748 500 33 231 236 -145.54 ± 14.2 14 174 58 4 0 -327.18 ± 45.37
456026 ncm-dbt-03 584832 500 40 240 220 -147.19 ± 14.15 15 173 59 3 0 -330.23 ± 44.94
456025 ncm-dbt-02 587749 500 46 221 233 -126.97 ± 15.42 13 159 68 10 0 -268.17 ± 41.66
456024 ncm-dbt-04 567759 500 38 229 233 -139.81 ± 14.55 10 180 51 9 0 -318.25 ± 47.96
456023 ncm-dbt-01 585000 500 35 224 241 -138.18 ± 14.41 12 171 61 6 0 -306.84 ± 44.17
456022 ncm-dbt-02 586393 500 38 235 227 -144.71 ± 14.04 15 169 64 2 0 -321.19 ± 42.95
456021 ncm-dbt-03 585337 500 35 236 229 -148.02 ± 14.3 15 175 56 4 0 -333.32 ± 46.21
456020 ncm-dbt-04 567086 500 40 237 223 -144.71 ± 14.94 17 168 60 5 0 -315.35 ± 44.57
456019 ncm-dbt-05 580530 500 34 226 240 -140.62 ± 14.7 16 164 66 4 0 -304.07 ± 42.38
456018 ncm-dbt-01 580696 500 29 234 237 -151.34 ± 13.6 15 176 58 1 0 -346.12 ± 45.18
456017 ncm-dbt-03 583866 500 33 226 241 -141.44 ± 14.51 13 173 58 6 0 -315.35 ± 45.33
456016 ncm-dbt-04 567007 500 49 223 228 -126.17 ± 15.27 12 160 68 10 0 -268.17 ± 41.66
456015 ncm-dbt-02 586901 500 43 223 234 -130.94 ± 13.87 9 167 69 5 0 -290.66 ± 41.43
456014 ncm-dbt-05 582402 500 53 238 209 -134.95 ± 15.8 14 168 58 9 1 -293.29 ± 44.99
456013 ncm-dbt-01 586012 500 40 219 241 -130.14 ± 14.06 10 164 71 5 0 -285.49 ± 40.81
456012 ncm-dbt-03 585717 500 35 217 248 -132.54 ± 14.01 9 170 65 6 0 -295.94 ± 42.75
456011 ncm-dbt-02 587664 500 41 209 250 -121.45 ± 14.67 12 150 82 6 0 -254.16 ± 37.82
456010 ncm-dbt-04 567839 500 54 224 222 -123.02 ± 14.82 10 159 72 9 0 -263.42 ± 40.52
456009 ncm-dbt-01 584201 500 46 225 229 -130.14 ± 14.4 10 166 67 7 0 -285.49 ± 42.08
456008 ncm-dbt-05 576701 500 31 222 247 -139.81 ± 13.07 8 178 61 3 0 -324.17 ± 44.15

Commit

Commit ID 33a858eaa1f792b3413384a3d0993dba36aca92e
Author lonfom169
Date 2021-04-25 11:26:22 UTC
More extensions if SE search is very low. More extensions for non-PV nodes if value from singular extension search is significantly below singularBeta. Passed STC: LLR: 2.97 (-2.94,2.94) <-0.50,2.50> Total: 25064 W: 2334 L: 2162 D: 20568 Ptnml(0-2): 82, 1720, 8768, 1868, 94 https://tests.stockfishchess.org/tests/view/6084ba7995e7f1852abd27e3 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,3.50> Total: 67136 W: 2644 L: 2450 D: 62042 Ptnml(0-2): 46, 2134, 28990, 2376, 22 https://tests.stockfishchess.org/tests/view/6084d79195e7f1852abd27ee closes https://github.com/official-stockfish/Stockfish/pull/3445 Bench: 4075325
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