Dev Builds » 20200928-1454

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 06:42:44 583416 4006 236 1869 1901 -150.36 ± 4.52 75 1502 408 17 1 -361.72 ± 16.88
ncm-dbt-02 06:42:58 586333 3976 225 1891 1860 -155.13 ± 4.65 98 1488 384 18 0 -371.08 ± 17.41
ncm-dbt-03 06:43:15 584849 4016 224 1878 1914 -152.12 ± 4.51 78 1518 392 20 0 -367.55 ± 17.23
ncm-dbt-04 06:42:25 568193 4000 237 1912 1851 -155.02 ± 4.78 109 1479 391 20 1 -366.33 ± 17.26
ncm-dbt-05 06:42:56 583245 4002 257 1916 1829 -153.25 ± 4.66 93 1495 391 22 0 -365.53 ± 17.26
20000 1179 9466 9355 -153.17 ± 2.07 453 7482 1966 97 2 -366.42 ± 7.68

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
459370 ncm-dbt-01 581236 6 0 3 3 -190.46 ± 18.51 0 3 0 0 0 -1199.83 ± 276.48
459369 ncm-dbt-05 588174 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
459368 ncm-dbt-03 583237 16 1 7 8 -136.89 ± 61.78 0 6 2 0 0 -337.87 ± 515.83
459367 ncm-dbt-02 589668 476 29 227 220 -153.84 ± 14.2 14 173 48 3 0 -357.17 ± 50.1
459366 ncm-dbt-04 569909 500 36 228 236 -140.62 ± 13.04 7 182 57 4 0 -330.23 ± 45.79
459365 ncm-dbt-01 581985 500 31 242 227 -156.39 ± 12.29 9 195 44 2 0 -389.56 ± 52.48
459364 ncm-dbt-05 581610 500 32 231 237 -146.36 ± 13.22 8 188 49 5 0 -349.43 ± 49.46
459363 ncm-dbt-03 585337 500 31 230 239 -146.36 ± 13.02 8 187 51 4 0 -349.43 ± 48.52
459362 ncm-dbt-02 585084 500 32 238 230 -152.18 ± 12.31 9 189 51 1 0 -370.41 ± 48.42
459361 ncm-dbt-04 566928 500 39 243 218 -150.51 ± 14.95 18 173 54 5 0 -333.32 ± 47.06
459360 ncm-dbt-05 582110 500 42 240 218 -145.54 ± 14.39 15 172 59 4 0 -324.17 ± 44.97
459359 ncm-dbt-01 584201 500 30 228 242 -145.54 ± 13.83 9 186 50 4 1 -346.12 ± 48.95
459358 ncm-dbt-03 586054 500 24 233 243 -154.7 ± 12.17 9 192 48 1 0 -381.7 ± 50.02
459357 ncm-dbt-02 584495 500 29 234 237 -151.34 ± 12.57 10 186 53 1 0 -363.2 ± 47.43
459356 ncm-dbt-04 566493 500 28 237 235 -154.7 ± 12.61 12 185 53 0 0 -370.41 ± 47.26
459355 ncm-dbt-05 585632 500 39 239 222 -147.19 ± 13.96 15 172 61 2 0 -330.23 ± 44.08
459354 ncm-dbt-01 584327 500 28 232 240 -150.51 ± 12.18 7 192 49 2 0 -370.41 ± 49.56
459353 ncm-dbt-03 582819 500 36 243 221 -153.02 ± 13.92 14 183 49 4 0 -356.21 ± 49.54
459352 ncm-dbt-02 585885 500 30 232 238 -148.85 ± 12.91 8 190 48 4 0 -359.68 ± 50.07
459351 ncm-dbt-04 568077 500 26 249 225 -166.66 ± 13.83 19 187 42 2 0 -397.72 ± 53.79
459350 ncm-dbt-05 583405 500 25 238 237 -158.08 ± 12.63 10 196 41 3 0 -393.6 ± 54.43
459349 ncm-dbt-01 583447 500 26 226 248 -147.19 ± 12.57 9 183 57 1 0 -349.43 ± 45.6
459348 ncm-dbt-03 585843 500 19 231 250 -157.23 ± 11.54 7 199 43 1 0 -401.92 ± 53.07
459347 ncm-dbt-04 569071 500 30 242 228 -157.24 ± 14.51 17 182 48 2 1 -366.78 ± 50.11
459346 ncm-dbt-02 586816 500 20 235 245 -159.78 ± 12.52 10 198 39 3 0 -401.92 ± 55.87
459345 ncm-dbt-05 583070 500 35 249 216 -158.93 ± 13.23 14 188 46 2 0 -381.7 ± 51.25
459344 ncm-dbt-03 586308 500 38 231 231 -141.44 ± 13.4 9 179 58 4 0 -327.18 ± 45.37
459343 ncm-dbt-01 582569 500 27 238 235 -156.39 ± 12.73 12 188 49 1 0 -377.87 ± 49.47
459342 ncm-dbt-04 569190 500 24 238 238 -158.93 ± 11.42 7 201 41 1 0 -410.58 ± 54.45
459341 ncm-dbt-02 585084 500 31 240 229 -154.7 ± 14.04 18 174 57 1 0 -349.43 ± 45.6
459340 ncm-dbt-03 584537 500 22 233 245 -156.39 ± 12.29 10 192 47 1 0 -385.59 ± 50.59
459339 ncm-dbt-01 584495 500 26 229 245 -149.68 ± 13.27 12 181 55 2 0 -349.43 ± 46.59
459338 ncm-dbt-05 580779 500 32 247 221 -159.78 ± 13.8 15 189 42 4 0 -381.7 ± 53.64
459337 ncm-dbt-02 585590 500 29 241 230 -157.23 ± 13.32 14 186 48 2 0 -374.11 ± 50.1
459336 ncm-dbt-04 568593 500 27 236 237 -154.7 ± 14.04 16 180 51 3 0 -356.21 ± 48.54
459335 ncm-dbt-05 581028 500 27 244 229 -161.49 ± 11.22 8 201 41 0 0 -419.6 ± 54.3
459334 ncm-dbt-01 585169 500 36 231 233 -143.07 ± 12.75 6 187 53 4 0 -342.85 ± 47.56
459333 ncm-dbt-03 582819 500 26 235 239 -154.7 ± 13.65 12 190 43 5 0 -370.41 ± 52.84
459332 ncm-dbt-02 588047 500 25 244 231 -163.21 ± 13.4 15 192 40 3 0 -397.72 ± 55.14
459331 ncm-dbt-04 567284 500 27 239 234 -157.23 ± 13.32 13 189 45 3 0 -377.87 ± 51.84
459330 ncm-dbt-01 583321 500 32 240 228 -153.86 ± 12.65 11 187 51 1 0 -370.41 ± 48.42
459329 ncm-dbt-05 583405 500 25 227 248 -148.85 ± 12.49 8 188 52 2 0 -359.68 ± 48.01
459328 ncm-dbt-03 586689 500 27 235 238 -153.86 ± 11.99 9 190 51 0 0 -377.86 ± 48.25

Commit

Commit ID c065abdcafe0486cb5cfa7de12a4ac6a905a54c5
Author noobpwnftw
Date 2020-09-28 14:54:35 UTC
Use incremental updates more often Use incremental updates for accumulators for up to 2 plies. Do not copy accumulator. About 2% speedup. Passed STC: LLR: 2.95 (-2.94,2.94) {-0.25,1.25} Total: 21752 W: 2583 L: 2403 D: 16766 Ptnml(0-2): 128, 1761, 6923, 1931, 133 https://tests.stockfishchess.org/tests/view/5f7150cf3b22d6afa5069412 closes https://github.com/official-stockfish/Stockfish/pull/3157 No functional change
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