Dev Builds » 20201005-1701

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 06:42:33 583909 4004 302 1863 1839 -143.02 ± 4.93 93 1412 460 37 0 -325.12 ± 15.9
ncm-dbt-02 06:42:22 586041 4006 271 1869 1866 -146.74 ± 4.81 97 1428 454 24 0 -337.54 ± 16.0
ncm-dbt-03 06:42:28 584931 4004 274 1854 1876 -144.97 ± 4.91 101 1407 466 27 1 -329.66 ± 15.8
ncm-dbt-04 06:41:23 568378 4012 269 1849 1894 -144.64 ± 4.79 90 1426 465 24 1 -332.76 ± 15.81
ncm-dbt-05 06:43:04 582375 3974 244 1844 1886 -148.27 ± 4.76 91 1442 430 24 0 -345.66 ± 16.45
20000 1360 9279 9361 -145.52 ± 2.17 472 7115 2275 136 2 -334.02 ± 7.14

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
459196 ncm-dbt-03 584369 4 0 2 2 -190.27 ± 27.79 0 2 0 0 0 -1199.83 ± 312.71
459195 ncm-dbt-01 584327 4 0 2 2 -190.27 ± 27.79 0 2 0 0 0 -1199.83 ± 312.71
459194 ncm-dbt-02 584622 6 0 3 3 -190.46 ± 18.51 0 3 0 0 0 -1199.83 ± 276.48
459193 ncm-dbt-04 568991 12 0 4 8 -120.27 ± 123.25 1 2 3 0 0 -190.73 ± 238.47
459192 ncm-dbt-05 585421 474 31 228 215 -153.69 ± 14.25 17 163 57 0 0 -345.7 ± 45.37
459191 ncm-dbt-03 584664 500 33 224 243 -139.81 ± 13.83 10 176 59 5 0 -318.25 ± 44.96
459190 ncm-dbt-01 584537 500 37 226 237 -138.18 ± 13.87 9 177 58 6 0 -315.35 ± 45.33
459189 ncm-dbt-04 564370 500 37 226 237 -138.18 ± 14.59 15 163 68 4 0 -298.62 ± 41.71
459188 ncm-dbt-02 585885 500 24 231 245 -153.02 ± 11.58 6 196 47 1 0 -385.59 ± 50.59
459187 ncm-dbt-05 581028 500 34 231 235 -144.71 ± 12.68 6 189 51 4 0 -349.43 ± 48.52
459186 ncm-dbt-03 586520 500 31 246 223 -159.78 ± 13.39 17 181 52 0 0 -374.1 ± 47.75
459185 ncm-dbt-02 585928 500 33 230 237 -144.71 ± 14.41 13 177 54 6 0 -327.18 ± 47.0
459184 ncm-dbt-01 585548 500 35 234 231 -146.36 ± 12.61 8 185 55 2 0 -349.43 ± 46.59
459183 ncm-dbt-04 570268 500 37 235 228 -145.54 ± 13.25 11 178 59 2 0 -336.46 ± 44.87
459182 ncm-dbt-05 580862 500 34 223 243 -138.18 ± 12.53 7 176 66 1 0 -321.19 ± 42.12
459181 ncm-dbt-02 585253 500 35 234 231 -146.36 ± 13.61 12 178 57 3 0 -336.46 ± 45.77
459180 ncm-dbt-04 567165 500 32 220 248 -137.37 ± 13.53 9 174 63 4 0 -312.48 ± 43.44
459179 ncm-dbt-03 586393 500 37 222 241 -134.95 ± 13.78 11 166 70 3 0 -298.62 ± 41.01
459178 ncm-dbt-01 585000 500 33 232 235 -146.36 ± 14.54 13 180 50 7 0 -333.32 ± 48.73
459177 ncm-dbt-05 582402 500 27 231 242 -150.51 ± 14.77 18 172 56 4 0 -333.32 ± 46.21
459176 ncm-dbt-04 568593 500 35 231 234 -143.89 ± 13.31 11 176 61 2 0 -330.23 ± 44.08
459175 ncm-dbt-02 590825 500 32 222 246 -138.99 ± 13.1 7 180 59 4 0 -324.17 ± 44.97
459174 ncm-dbt-03 586308 500 42 228 230 -135.76 ± 14.64 13 166 65 6 0 -295.94 ± 42.75
459173 ncm-dbt-01 582527 500 43 225 232 -132.54 ± 14.53 10 170 62 8 0 -293.29 ± 43.72
459172 ncm-dbt-05 581485 500 30 237 233 -153.02 ± 13.72 13 185 48 4 0 -359.68 ± 50.07
459171 ncm-dbt-04 567918 500 32 232 236 -147.19 ± 14.33 11 185 48 5 1 -346.12 ± 49.86
459170 ncm-dbt-02 584874 500 32 236 232 -150.51 ± 13.83 15 176 57 2 0 -342.85 ± 45.71
459169 ncm-dbt-01 583070 500 43 236 221 -141.44 ± 13.4 10 176 61 3 0 -324.17 ± 44.15
459168 ncm-dbt-03 584874 500 32 234 234 -148.85 ± 14.46 17 171 59 3 0 -330.23 ± 44.94
459167 ncm-dbt-04 570829 500 30 236 234 -152.18 ± 13.56 12 186 48 4 0 -359.68 ± 50.07
459166 ncm-dbt-05 581361 500 27 226 247 -146.36 ± 13.61 10 184 51 5 0 -342.85 ± 48.46
459165 ncm-dbt-01 584076 500 36 243 221 -153.02 ± 14.49 19 171 58 2 0 -339.63 ± 45.29
459164 ncm-dbt-02 585506 500 39 237 224 -145.54 ± 13.83 14 172 62 2 0 -327.18 ± 43.69
459163 ncm-dbt-03 586181 500 37 232 231 -143.07 ± 14.1 11 178 57 3 1 -330.23 ± 45.79
459162 ncm-dbt-04 569829 500 41 233 226 -140.62 ± 13.8 12 171 64 3 0 -315.35 ± 43.03
459161 ncm-dbt-05 584790 500 30 236 234 -152.18 ± 12.53 10 187 52 1 0 -366.78 ± 47.92
459160 ncm-dbt-02 587282 500 38 244 218 -152.18 ± 14.71 19 171 57 3 0 -336.46 ± 45.77
459159 ncm-dbt-01 582778 500 30 232 238 -148.85 ± 14.46 15 177 53 5 0 -336.46 ± 47.52
459158 ncm-dbt-03 580157 500 24 231 245 -153.02 ± 12.7 9 192 46 3 0 -374.11 ± 51.25
459157 ncm-dbt-04 567442 500 25 232 243 -153.02 ± 11.82 8 191 51 0 0 -377.86 ± 48.25
459156 ncm-dbt-02 584201 500 38 232 230 -142.25 ± 13.56 11 175 61 3 0 -324.17 ± 44.15
459155 ncm-dbt-03 584916 500 38 235 227 -144.71 ± 14.04 13 175 58 4 0 -327.18 ± 45.37
459154 ncm-dbt-01 583321 500 45 233 222 -137.37 ± 13.53 9 174 63 4 0 -312.48 ± 43.44
459153 ncm-dbt-05 581652 500 31 232 237 -148.02 ± 13.54 10 186 49 5 0 -349.43 ± 49.46

Commit

Commit ID 767b4f4fbe5ab2e63aceabd9005f4e1eb7cbcb51
Author FauziAkram
Date 2020-10-05 17:01:46 UTC
Pawn Tuning Tuning of pawns, for classical evaluation: Passed STC: https://tests.stockfishchess.org/tests/view/5f771f0e52560f5fc78559ec LLR: 2.96 (-2.94,2.94) {-0.25,1.25} Total: 252696 W: 50321 L: 49692 D: 152683 Ptnml(0-2): 4614, 29845, 57049, 29978, 4862 Passed LTC: https://tests.stockfishchess.org/tests/view/5f77cfef090dcf9aaa16d38b LLR: 2.94 (-2.94,2.94) {0.25,1.25} Total: 48184 W: 6556 L: 6193 D: 35435 Ptnml(0-2): 335, 4516, 14100, 4733, 408 closes https://github.com/official-stockfish/Stockfish/pull/3169 bench: 4016121
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