Dev Builds » 20210327-1603

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 06:43:36 583507 3996 304 1839 1853 -140.68 ± 4.86 83 1403 478 34 0 -320.25 ± 15.6
ncm-dbt-02 06:43:11 585485 3986 337 1809 1840 -134.67 ± 5.15 101 1316 530 46 0 -293.23 ± 14.81
ncm-dbt-03 06:43:17 584741 4000 341 1827 1832 -135.56 ± 5.0 87 1354 517 42 0 -300.99 ± 15.0
ncm-dbt-04 06:44:05 566441 4012 309 1796 1907 -135.21 ± 4.94 83 1361 522 40 0 -301.26 ± 14.92
ncm-dbt-05 06:44:05 581528 4006 334 1814 1858 -134.73 ± 4.99 81 1365 510 47 0 -300.28 ± 15.1
20000 1625 9085 9290 -136.16 ± 2.23 435 6799 2557 209 0 -303.04 ± 6.74

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
456305 ncm-dbt-05 577684 6 1 3 2 -120.22 ± 109.7 0 2 1 0 0 -279.24 ± 576.89
456304 ncm-dbt-04 564683 12 2 6 4 -120.31 ± 75.55 0 4 2 0 0 -279.41 ± 548.26
456303 ncm-dbt-02 585590 486 43 216 227 -129.33 ± 14.53 11 156 71 5 0 -279.59 ± 40.79
456302 ncm-dbt-01 583070 496 49 228 219 -131.3 ± 14.46 8 172 59 9 0 -294.29 ± 44.73
456301 ncm-dbt-03 582611 500 42 223 235 -131.74 ± 13.67 10 164 73 3 0 -290.66 ± 40.08
456300 ncm-dbt-05 583572 500 38 226 236 -137.37 ± 12.76 6 179 62 3 0 -321.19 ± 43.77
456299 ncm-dbt-04 567482 500 41 222 237 -131.74 ± 14.71 11 167 64 8 0 -288.06 ± 43.03
456298 ncm-dbt-02 584117 500 56 236 208 -130.94 ± 16.31 22 143 78 7 0 -258.75 ± 38.88
456297 ncm-dbt-01 581943 500 36 225 239 -138.18 ± 12.12 5 180 64 1 0 -327.18 ± 42.83
456296 ncm-dbt-03 581693 500 45 229 226 -134.15 ± 14.5 12 166 66 6 0 -293.29 ± 42.41
456295 ncm-dbt-05 584579 500 36 234 230 -145.54 ± 14.39 15 172 59 4 0 -324.17 ± 44.97
456294 ncm-dbt-04 559592 500 36 226 238 -138.99 ± 13.1 9 174 65 2 0 -318.25 ± 42.59
456293 ncm-dbt-02 587409 500 41 242 217 -148.02 ± 15.03 20 164 63 3 0 -318.25 ± 43.39
456292 ncm-dbt-01 585548 500 43 233 224 -138.99 ± 13.48 11 170 67 2 0 -312.48 ± 41.9
456291 ncm-dbt-03 585464 500 40 233 227 -141.44 ± 15.03 13 176 52 9 0 -315.35 ± 47.52
456290 ncm-dbt-05 577766 500 36 226 238 -138.99 ± 14.91 13 172 57 8 0 -306.84 ± 45.58
456289 ncm-dbt-04 567482 500 45 227 228 -132.54 ± 14.18 12 162 72 4 0 -288.06 ± 40.46
456288 ncm-dbt-02 587325 500 41 225 234 -134.15 ± 13.43 9 169 69 3 0 -301.33 ± 41.33
456287 ncm-dbt-01 582611 500 30 232 238 -148.85 ± 13.51 13 178 57 2 0 -342.85 ± 45.71
456286 ncm-dbt-03 585759 500 47 234 219 -136.56 ± 14.27 12 168 65 5 0 -301.33 ± 42.75
456285 ncm-dbt-05 582569 500 39 217 244 -129.35 ± 13.36 6 171 68 5 0 -293.29 ± 41.75
456284 ncm-dbt-04 569430 500 35 231 234 -143.89 ± 13.12 8 184 54 4 0 -339.63 ± 47.1
456283 ncm-dbt-02 585337 500 37 223 240 -135.76 ± 14.81 11 173 57 9 0 -301.33 ± 45.48
456282 ncm-dbt-01 584874 500 50 236 214 -135.76 ± 14.81 13 167 63 7 0 -295.94 ± 43.42
456281 ncm-dbt-03 584664 500 37 223 240 -135.76 ± 14.29 11 170 63 6 0 -301.33 ± 43.45
456280 ncm-dbt-05 581569 500 40 226 234 -135.76 ± 14.81 13 167 63 7 0 -295.94 ± 43.42
456279 ncm-dbt-04 567363 500 34 229 237 -143.07 ± 14.28 12 177 55 6 0 -324.17 ± 46.56
456278 ncm-dbt-02 587452 500 42 222 236 -130.94 ± 13.69 7 172 65 6 0 -295.94 ± 42.75
456277 ncm-dbt-01 581985 500 35 227 238 -140.62 ± 14.17 12 173 60 5 0 -315.35 ± 44.57
456276 ncm-dbt-05 579744 500 50 224 226 -126.17 ± 14.12 7 168 67 8 0 -280.42 ± 42.05
456275 ncm-dbt-03 586181 500 36 223 241 -136.56 ± 12.59 7 174 68 1 0 -315.35 ± 41.44
456274 ncm-dbt-04 568077 500 40 231 229 -139.81 ± 14.72 13 172 58 7 0 -309.64 ± 45.27
456273 ncm-dbt-02 581860 500 37 223 240 -135.76 ± 13.76 9 173 63 5 0 -306.84 ± 43.45
456272 ncm-dbt-01 584495 500 26 231 243 -151.34 ± 12.57 10 186 53 1 0 -363.2 ± 47.43
456271 ncm-dbt-03 585928 500 56 233 211 -128.55 ± 14.76 13 157 74 6 0 -273.0 ± 39.95
456270 ncm-dbt-05 581361 500 45 236 219 -139.81 ± 13.07 9 175 64 2 0 -321.19 ± 42.95
456269 ncm-dbt-04 565902 500 41 217 242 -127.76 ± 13.57 8 164 74 4 0 -282.94 ± 39.86
456268 ncm-dbt-02 584790 500 40 222 238 -132.54 ± 14.87 12 166 64 8 0 -288.06 ± 43.03
456267 ncm-dbt-01 583531 500 35 227 238 -140.62 ± 14.35 11 177 55 7 0 -318.25 ± 46.48
456266 ncm-dbt-04 567958 500 35 207 258 -124.6 ± 14.14 10 157 78 5 0 -268.17 ± 38.8
456265 ncm-dbt-05 584916 500 49 222 229 -125.38 ± 15.27 12 159 69 10 0 -265.78 ± 41.36
456264 ncm-dbt-03 585632 500 38 229 233 -139.81 ± 13.83 9 179 56 6 0 -321.19 ± 46.14

Commit

Commit ID 62a0b65ff886f8f4895d854705c0c870e6a2a834
Author mstembera
Date 2021-03-27 16:03:10 UTC
Simplify and unify FRC cornered bishop. tested locally as fishtest doesn't support FRC: STC NNUE 9646 - 9647 - 20707 [0.500] 40000 -0.0 +/- 2.4, LOS: 49.7 %, DrawRatio: 51.8 % STC classical 9678 - 9609 - 20713 [0.501] 40000 0.6 +/- 2.4, LOS: 69.0 %, DrawRatio: 51.8 % and verified independently: Score of master vs patch: 6463 - 6580 - 34957 [0.499] 48000 closes https://github.com/official-stockfish/Stockfish/pull/3413 bench: 4321677
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