Dev Builds » 20200904-0558

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 06:27:13 583896 4000 161 1972 1867 -169.6 ± 4.47 116 1595 273 16 0 -433.33 ± 20.67
ncm-dbt-02 06:28:32 586280 4018 167 1958 1893 -166.55 ± 4.46 113 1577 307 12 0 -418.74 ± 19.49
ncm-dbt-03 06:28:49 584991 3998 170 1968 1860 -168.28 ± 4.45 118 1571 301 9 0 -424.78 ± 19.68
ncm-dbt-04 06:27:21 567507 3984 162 1967 1855 -169.74 ± 4.52 121 1578 278 15 0 -430.73 ± 20.49
ncm-dbt-05 06:27:41 579924 4000 171 1970 1859 -168.29 ± 4.37 106 1600 281 13 0 -432.1 ± 20.38
20000 831 9835 9334 -168.49 ± 1.99 574 7921 1440 65 0 -427.85 ± 8.98

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
459886 ncm-dbt-02 585928 18 1 8 9 -142.54 ± 56.5 0 7 2 0 0 -361.06 ± 503.16
459885 ncm-dbt-04 565430 484 15 231 238 -166.78 ± 13.76 15 190 33 4 0 -413.45 ± 60.67
459884 ncm-dbt-03 584874 498 22 244 232 -166.57 ± 12.32 14 194 41 0 0 -418.84 ± 54.29
459883 ncm-dbt-05 581943 500 19 250 231 -173.66 ± 11.17 12 207 31 0 0 -471.91 ± 63.24
459882 ncm-dbt-01 583740 500 26 239 235 -158.08 ± 12.18 10 194 45 1 0 -393.6 ± 51.79
459881 ncm-dbt-02 585759 500 18 256 226 -179.9 ± 12.64 20 198 32 0 0 -466.03 ± 62.14
459880 ncm-dbt-04 566691 500 23 243 234 -164.07 ± 12.0 10 202 36 2 0 -424.28 ± 58.4
459879 ncm-dbt-03 585295 500 24 242 234 -162.35 ± 13.03 14 192 42 2 0 -397.72 ± 53.79
459878 ncm-dbt-01 583908 500 14 242 244 -171.02 ± 9.74 6 216 28 0 0 -490.7 ± 66.89
459877 ncm-dbt-05 580282 500 24 248 228 -167.53 ± 12.45 13 200 35 2 0 -429.05 ± 59.28
459876 ncm-dbt-02 584453 500 21 240 239 -163.21 ± 12.3 11 199 38 2 0 -415.05 ± 56.74
459875 ncm-dbt-04 569909 500 26 252 222 -169.27 ± 12.55 16 194 40 0 0 -424.27 ± 55.03
459874 ncm-dbt-03 585506 500 19 254 227 -177.21 ± 13.1 21 193 36 0 0 -444.08 ± 58.27
459873 ncm-dbt-01 586181 500 24 259 217 -177.21 ± 14.23 24 189 35 2 0 -429.05 ± 59.28
459872 ncm-dbt-05 578383 500 20 243 237 -166.66 ± 13.19 16 193 39 2 0 -410.58 ± 55.96
459871 ncm-dbt-02 586985 500 22 252 226 -172.78 ± 13.44 19 194 35 2 0 -429.05 ± 59.28
459870 ncm-dbt-04 565430 500 22 251 227 -171.9 ± 13.05 19 191 40 0 0 -424.27 ± 55.03
459869 ncm-dbt-03 587028 500 15 248 237 -175.43 ± 11.53 13 208 28 1 0 -477.99 ± 66.98
459868 ncm-dbt-05 583405 500 18 257 225 -180.8 ± 12.05 17 206 26 1 0 -490.71 ± 69.77
459867 ncm-dbt-01 583908 500 17 245 238 -171.02 ± 13.34 17 197 33 3 0 -429.05 ± 60.97
459866 ncm-dbt-02 586477 500 21 246 233 -168.4 ± 13.29 17 193 38 2 0 -415.05 ± 56.74
459865 ncm-dbt-04 570428 500 20 252 228 -174.55 ± 12.85 18 197 34 1 0 -444.09 ± 60.25
459864 ncm-dbt-03 584285 500 23 251 226 -171.02 ± 11.16 9 212 27 2 0 -471.92 ± 68.11
459863 ncm-dbt-01 581527 500 20 253 227 -175.43 ± 13.47 19 198 30 3 0 -444.09 ± 64.08
459862 ncm-dbt-05 577807 500 21 251 228 -172.78 ± 12.27 15 201 33 1 0 -449.35 ± 61.23
459861 ncm-dbt-02 587282 500 9 240 251 -173.66 ± 10.9 11 209 30 0 0 -477.98 ± 64.39
459860 ncm-dbt-04 567284 500 18 235 247 -161.49 ± 12.64 8 207 29 6 0 -419.61 ± 63.67
459859 ncm-dbt-05 579372 500 19 242 239 -166.66 ± 11.8 9 208 30 3 0 -444.09 ± 64.08
459858 ncm-dbt-01 582611 500 16 248 236 -174.55 ± 12.37 16 201 32 1 0 -454.76 ± 62.27
459857 ncm-dbt-03 583656 500 16 245 239 -171.9 ± 13.28 18 195 35 2 0 -429.05 ± 59.28
459856 ncm-dbt-02 586646 500 20 235 245 -159.78 ± 13.18 12 195 39 4 0 -393.6 ± 55.71
459855 ncm-dbt-04 567126 500 17 250 233 -175.43 ± 13.24 19 197 32 2 0 -444.09 ± 62.18
459854 ncm-dbt-03 584201 500 28 242 230 -158.93 ± 13.84 18 179 52 1 0 -366.78 ± 47.92
459853 ncm-dbt-05 575680 500 32 249 219 -161.49 ± 13.5 16 187 45 2 0 -385.59 ± 51.85
459852 ncm-dbt-01 586731 500 24 246 230 -165.79 ± 12.8 13 199 35 3 0 -419.61 ± 59.12
459851 ncm-dbt-02 587197 500 21 244 235 -166.66 ± 12.51 14 196 39 1 0 -419.61 ± 55.94
459850 ncm-dbt-04 567759 500 21 253 226 -174.55 ± 12.12 16 200 34 0 0 -454.75 ± 60.11
459849 ncm-dbt-01 582569 500 20 240 240 -164.07 ± 12.47 11 201 35 3 0 -419.61 ± 59.12
459848 ncm-dbt-03 585084 500 23 242 235 -163.21 ± 12.06 11 198 40 1 0 -415.05 ± 55.18
459847 ncm-dbt-05 582527 500 18 230 252 -157.23 ± 12.01 8 198 42 2 0 -397.72 ± 53.79
459846 ncm-dbt-02 585801 500 34 237 229 -149.68 ± 12.45 9 186 54 1 0 -359.68 ± 46.95

Commit

Commit ID d6530f7d49ef45e38dacafd8a3a838130113265c
Author Unai Corzo
Date 2020-09-04 05:58:13 UTC
Simplify singularQuietLMR remove formerPV dependence STC https://tests.stockfishchess.org/tests/view/5f4cb922ba100690c5cc5d35 LLR: 2.96 (-2.94,2.94) {-1.25,0.25} Total: 113672 W: 12347 L: 12368 D: 88957 Ptnml(0-2): 566, 9537, 36699, 9420, 614 LTC https://tests.stockfishchess.org/tests/view/5f4e8474ba100690c5cc5e12 LLR: 2.93 (-2.94,2.94) {-0.75,0.25} Total: 43032 W: 2298 L: 2227 D: 38507 Ptnml(0-2): 45, 1940, 17475, 2011, 45 closes https://github.com/official-stockfish/Stockfish/pull/3102 bench: 3290084
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