Dev Builds » 20201022-1808

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 06:45:23 583941 4016 273 1879 1864 -147.15 ± 4.71 82 1472 424 30 0 -345.27 ± 16.57
ncm-dbt-02 06:44:05 585481 4000 290 1853 1857 -143.38 ± 4.71 76 1438 460 25 1 -333.32 ± 15.9
ncm-dbt-03 06:43:39 584944 4000 284 1838 1878 -142.46 ± 4.87 90 1406 472 32 0 -324.17 ± 15.7
ncm-dbt-04 06:45:15 566833 4000 276 1854 1870 -144.92 ± 4.91 96 1419 453 31 1 -331.39 ± 16.03
ncm-dbt-05 06:45:33 581017 3984 282 1812 1890 -140.64 ± 4.87 80 1408 466 38 0 -321.12 ± 15.8
20000 1405 9236 9359 -143.71 ± 2.15 424 7143 2275 156 2 -330.92 ± 7.14

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
459063 ncm-dbt-01 583614 16 2 7 7 -112.3 ± 96.0 0 6 1 1 0 -254.73 ± 574.95
459062 ncm-dbt-05 577397 484 33 207 244 -130.74 ± 13.61 4 173 58 7 0 -303.03 ± 45.27
459061 ncm-dbt-04 569071 500 33 232 235 -146.36 ± 13.41 13 174 62 1 0 -333.32 ± 43.57
459060 ncm-dbt-02 583363 500 38 236 226 -145.54 ± 13.25 11 178 59 2 0 -336.46 ± 44.87
459059 ncm-dbt-01 581818 500 36 221 243 -134.95 ± 12.44 5 177 66 2 0 -315.35 ± 42.24
459058 ncm-dbt-03 583782 500 35 223 242 -137.37 ± 12.96 7 177 63 3 0 -318.25 ± 43.39
459057 ncm-dbt-05 576414 500 33 229 238 -143.89 ± 14.61 16 168 62 4 0 -315.35 ± 43.81
459056 ncm-dbt-03 585970 500 41 220 239 -130.14 ± 13.7 9 165 72 4 0 -288.06 ± 40.46
459055 ncm-dbt-04 565902 500 32 229 239 -144.72 ± 13.67 9 184 53 3 1 -342.85 ± 47.56
459054 ncm-dbt-02 580987 500 37 234 229 -144.71 ± 12.88 8 184 55 3 0 -342.85 ± 46.64
459053 ncm-dbt-01 582193 500 29 229 242 -147.19 ± 12.78 7 190 49 4 0 -356.21 ± 49.54
459052 ncm-dbt-05 583447 500 39 229 232 -138.99 ± 13.29 9 175 63 3 0 -318.25 ± 43.39
459051 ncm-dbt-04 567047 500 34 248 218 -158.93 ± 14.24 19 178 51 2 0 -363.2 ± 48.51
459050 ncm-dbt-03 583740 500 32 231 237 -146.36 ± 13.41 9 186 50 5 0 -346.12 ± 48.95
459049 ncm-dbt-02 586562 500 34 223 243 -138.18 ± 13.5 9 175 62 4 0 -315.35 ± 43.81
459048 ncm-dbt-01 584958 500 33 225 242 -140.62 ± 13.8 9 180 55 6 0 -324.17 ± 46.56
459047 ncm-dbt-05 584790 500 30 237 233 -153.02 ± 12.91 11 187 50 2 0 -366.78 ± 49.02
459046 ncm-dbt-04 569151 500 31 234 235 -149.68 ± 13.47 12 182 53 3 0 -349.43 ± 47.56
459045 ncm-dbt-03 585548 500 32 237 231 -151.34 ± 13.2 13 180 56 1 0 -352.8 ± 46.04
459044 ncm-dbt-02 587537 500 38 227 235 -138.18 ± 12.93 7 178 62 3 0 -321.19 ± 43.77
459043 ncm-dbt-01 583363 500 45 235 220 -138.99 ± 14.21 11 174 59 6 0 -312.48 ± 44.93
459042 ncm-dbt-05 583656 500 33 223 244 -138.99 ± 14.57 11 176 55 8 0 -312.48 ± 46.38
459041 ncm-dbt-04 565115 500 37 226 237 -138.18 ± 14.59 13 169 62 6 0 -304.07 ± 43.81
459040 ncm-dbt-03 583154 500 37 232 231 -143.07 ± 14.64 12 179 51 8 0 -324.17 ± 48.12
459039 ncm-dbt-01 583740 500 38 244 218 -152.18 ± 13.56 11 189 45 5 0 -363.2 ± 51.64
459038 ncm-dbt-02 587155 500 42 239 219 -144.71 ± 13.86 11 180 54 5 0 -333.32 ± 47.06
459037 ncm-dbt-04 564448 500 38 220 242 -132.54 ± 13.47 7 173 65 5 0 -301.33 ± 42.75
459036 ncm-dbt-03 586097 500 31 242 227 -156.39 ± 14.92 22 169 57 2 0 -342.85 ± 45.71
459035 ncm-dbt-01 583321 500 38 240 222 -148.85 ± 13.51 13 178 57 2 0 -342.85 ± 45.71
459034 ncm-dbt-02 585126 500 40 227 233 -136.56 ± 13.92 8 177 60 4 1 -315.35 ± 44.57
459033 ncm-dbt-05 578259 500 32 233 235 -148.02 ± 14.3 17 169 62 2 0 -327.18 ± 43.69
459032 ncm-dbt-04 566257 500 43 236 221 -141.44 ± 15.53 18 164 61 7 0 -301.33 ± 44.13
459031 ncm-dbt-03 585928 500 37 222 241 -134.95 ± 14.31 10 172 61 7 0 -301.33 ± 44.13
459030 ncm-dbt-01 583782 500 22 241 237 -163.21 ± 12.53 12 197 39 2 0 -410.58 ± 55.96
459029 ncm-dbt-02 586774 500 29 237 234 -153.86 ± 12.87 13 182 55 0 0 -363.19 ± 46.32
459028 ncm-dbt-05 582736 500 32 223 245 -139.81 ± 13.07 4 190 49 7 0 -336.46 ± 49.21
459027 ncm-dbt-03 585337 500 39 231 230 -140.62 ± 12.84 8 178 62 2 0 -327.18 ± 43.69
459026 ncm-dbt-04 567680 500 28 229 243 -148.02 ± 12.32 5 195 46 4 0 -366.78 ± 51.18
459025 ncm-dbt-02 586350 500 32 230 238 -145.54 ± 13.25 9 184 53 4 0 -342.85 ± 47.56
459024 ncm-dbt-01 588686 500 30 237 233 -153.02 ± 13.53 14 181 53 2 0 -356.21 ± 47.52
459023 ncm-dbt-05 581444 500 50 231 219 -131.74 ± 13.67 8 170 67 5 0 -295.94 ± 42.08

Commit

Commit ID f5dfad5d72e164b57b787c0224046d641b3ade84
Author xoto10
Date 2020-10-22 18:08:15 UTC
Reduce big time spikes by reducing PV re-searches. Save time by reducing PV re-searches above original depth. Instead use 5% extra time on every move. STC 10+0.1 th 1 : LLR: 2.93 (-2.94,2.94) {-0.25,1.25} Total: 90688 W: 9702 L: 9436 D: 71550 Ptnml(0-2): 408, 7252, 29792, 7450, 442 https://tests.stockfishchess.org/tests/view/5f8df807bacb75a4f9a47223 LTC 60+0.6 th 1 : LLR: 2.97 (-2.94,2.94) {0.25,1.25} Total: 97856 W: 4602 L: 4303 D: 88951 Ptnml(0-2): 53, 3757, 41057, 3960, 101 https://tests.stockfishchess.org/tests/view/5f8ec4872c92c7fe3a8c602d closes https://github.com/official-stockfish/Stockfish/pull/3192 Bench 3943959
Copyright 2011–2026 Next Chess Move LLC