Dev Builds » 20201028-0713

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 06:44:31 583961 4000 270 1872 1858 -147.4 ± 4.9 104 1422 446 28 0 -337.25 ± 16.15
ncm-dbt-02 06:44:36 585365 4004 285 1868 1851 -145.27 ± 4.73 87 1432 460 23 0 -335.87 ± 15.89
ncm-dbt-03 06:43:50 585054 4000 291 1833 1876 -141.23 ± 4.98 100 1375 492 33 0 -316.07 ± 15.37
ncm-dbt-04 06:45:10 568236 3996 261 1850 1885 -146.22 ± 4.8 94 1426 453 25 0 -336.65 ± 16.02
ncm-dbt-05 06:44:04 581058 4000 279 1842 1879 -143.38 ± 4.96 94 1414 454 37 1 -326.42 ± 16.01
20000 1386 9265 9349 -144.7 ± 2.18 479 7069 2305 146 1 -330.31 ± 7.09

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
458976 ncm-dbt-02 584117 4 0 2 2 -190.27 ± 27.79 0 2 0 0 0 -1199.83 ± 312.71
458975 ncm-dbt-04 566178 496 23 237 236 -160.4 ± 13.22 15 185 47 1 0 -384.04 ± 50.59
458974 ncm-dbt-01 583614 500 38 226 236 -137.37 ± 12.96 5 183 57 5 0 -324.17 ± 45.77
458973 ncm-dbt-03 584874 500 38 227 235 -138.18 ± 14.41 14 165 67 4 0 -301.33 ± 42.04
458972 ncm-dbt-05 584034 500 38 224 238 -135.76 ± 14.11 11 168 68 2 1 -304.07 ± 41.65
458971 ncm-dbt-02 584453 500 36 229 235 -141.44 ± 13.01 9 177 62 2 0 -327.18 ± 43.69
458970 ncm-dbt-04 565902 500 32 239 229 -153.02 ± 13.53 13 184 50 3 0 -359.68 ± 49.05
458969 ncm-dbt-03 588004 500 33 233 234 -147.19 ± 13.18 8 189 48 5 0 -352.8 ± 49.98
458968 ncm-dbt-02 589326 500 36 233 231 -144.71 ± 14.41 12 180 51 7 0 -330.23 ± 48.25
458967 ncm-dbt-01 583908 500 31 237 232 -152.18 ± 12.74 11 185 53 1 0 -363.2 ± 47.43
458966 ncm-dbt-05 579455 500 40 232 228 -140.62 ± 14.7 13 173 57 7 0 -312.48 ± 45.66
458965 ncm-dbt-04 571070 500 28 234 238 -152.18 ± 12.53 10 187 52 1 0 -366.78 ± 47.92
458964 ncm-dbt-03 580613 500 39 231 230 -140.62 ± 13.8 12 171 64 3 0 -315.35 ± 43.03
458963 ncm-dbt-02 586985 500 33 236 231 -149.68 ± 13.27 12 181 55 2 0 -349.43 ± 46.59
458962 ncm-dbt-05 581236 500 26 235 239 -154.7 ± 14.8 18 178 49 5 0 -349.43 ± 49.46
458961 ncm-dbt-01 584537 500 41 238 221 -144.71 ± 13.67 10 182 53 5 0 -336.46 ± 47.52
458960 ncm-dbt-04 567442 500 34 239 227 -151.34 ± 14.74 17 176 52 5 0 -339.63 ± 47.98
458959 ncm-dbt-03 585885 500 38 216 246 -129.35 ± 15.07 14 157 72 7 0 -273.0 ± 40.54
458958 ncm-dbt-05 583363 500 35 234 231 -146.36 ± 14.18 14 175 57 4 0 -330.23 ± 45.79
458957 ncm-dbt-01 584327 500 26 242 232 -160.64 ± 14.16 19 180 49 2 0 -370.41 ± 49.56
458956 ncm-dbt-02 585759 500 35 234 231 -146.36 ± 13.41 13 174 62 1 0 -333.32 ± 43.57
458955 ncm-dbt-04 568037 500 27 233 240 -152.18 ± 14.52 18 173 56 3 0 -339.63 ± 46.2
458954 ncm-dbt-03 586308 500 37 236 227 -146.36 ± 13.22 11 179 58 2 0 -339.63 ± 45.29
458953 ncm-dbt-01 585843 500 32 230 238 -145.54 ± 14.75 16 171 58 5 0 -321.19 ± 45.36
458952 ncm-dbt-05 580199 500 41 233 226 -140.62 ± 13.8 10 177 58 5 0 -321.19 ± 45.36
458951 ncm-dbt-02 585379 500 39 234 227 -143.07 ± 13.15 10 177 61 2 0 -330.23 ± 44.08
458950 ncm-dbt-03 584327 500 39 222 239 -133.34 ± 14.68 13 163 68 6 0 -288.06 ± 41.76
458949 ncm-dbt-04 570549 500 34 221 245 -136.56 ± 12.18 4 181 63 2 0 -324.17 ± 43.32
458948 ncm-dbt-05 576373 500 40 226 234 -135.76 ± 13.94 10 171 64 5 0 -304.07 ± 43.1
458947 ncm-dbt-02 584117 500 50 235 215 -134.95 ± 13.03 9 168 72 1 0 -304.07 ± 40.16
458946 ncm-dbt-01 582903 500 34 228 238 -142.25 ± 14.3 14 170 62 4 0 -315.35 ± 43.81
458945 ncm-dbt-05 581361 500 36 231 233 -143.07 ± 13.54 9 182 54 5 0 -333.32 ± 47.06
458944 ncm-dbt-04 567047 500 40 221 239 -131.74 ± 13.67 7 173 64 6 0 -298.62 ± 43.1
458943 ncm-dbt-03 585717 500 34 229 237 -143.07 ± 12.54 7 183 58 2 0 -339.63 ± 45.29
458942 ncm-dbt-02 582778 500 28 235 237 -153.02 ± 12.91 9 193 44 4 0 -374.11 ± 52.37
458941 ncm-dbt-01 582277 500 35 230 235 -143.07 ± 14.28 14 171 61 4 0 -318.25 ± 44.18
458940 ncm-dbt-03 584706 500 33 239 228 -152.18 ± 15.25 21 168 57 4 0 -330.23 ± 45.79
458939 ncm-dbt-02 585379 500 28 230 242 -148.85 ± 13.9 13 180 53 4 0 -342.85 ± 47.56
458938 ncm-dbt-04 569669 500 43 226 231 -133.34 ± 13.81 10 167 69 4 0 -295.94 ± 41.39
458937 ncm-dbt-05 582444 500 23 227 250 -150.51 ± 13.03 9 190 47 4 0 -363.2 ± 50.62
458936 ncm-dbt-01 584285 500 33 241 226 -153.86 ± 13.69 15 180 53 2 0 -356.21 ± 47.52

Commit

Commit ID 6328135264d3b13a2cef3f0c835a27192cae0f40
Author SFisGOD
Date 2020-10-28 07:13:34 UTC
Update default net to nn-2eb2e0707c2b.nnue Optimization of the net weights of the 32 x 32 layer (1024 parameters) and net biases of the 512 x 32 layer (32 parameters) using SPSA. Tuning of 32 x 32 Layer (800,000 games, 5 seconds time control): https://tests.stockfishchess.org/tests/view/5f942040d3978d7e86f1aa05 Tuning of 512 x 32 Layer (80,000 games, 20 seconds time control): https://tests.stockfishchess.org/tests/view/5f8f926d2c92c7fe3a8c608b STC: LLR: 2.96 (-2.94,2.94) {-0.25,1.25} Total: 17336 W: 1918 L: 1754 D: 13664 Ptnml(0-2): 79, 1344, 5672, 1480, 93 https://tests.stockfishchess.org/tests/view/5f9882346a2c112b60691b34 LTC: LLR: 2.94 (-2.94,2.94) {0.25,1.25} Total: 37304 W: 1822 L: 1651 D: 33831 Ptnml(0-2): 27, 1461, 15501, 1640, 23 https://tests.stockfishchess.org/tests/view/5f98a4b36a2c112b60691b40 closes https://github.com/official-stockfish/Stockfish/pull/3201 Bench: 3403528
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