Dev Builds » 20210316-2134

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 06:42:20 582829 4012 304 1812 1896 -137.32 ± 4.98 90 1368 508 40 0 -306.06 ± 15.13
ncm-dbt-02 06:41:15 586313 4000 313 1782 1905 -133.85 ± 4.9 77 1353 532 38 0 -298.62 ± 14.78
ncm-dbt-03 06:42:47 585020 3992 334 1801 1857 -133.94 ± 5.12 100 1309 545 42 0 -291.23 ± 14.6
ncm-dbt-04 06:43:10 567866 4016 339 1841 1836 -136.57 ± 5.07 101 1341 525 41 0 -299.78 ± 14.88
ncm-dbt-05 06:42:53 580650 3980 344 1819 1817 -135.19 ± 5.12 97 1325 525 42 1 -296.58 ± 14.88
20000 1634 9055 9311 -135.37 ± 2.25 465 6696 2635 203 1 -298.42 ± 6.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
456432 ncm-dbt-01 583405 12 0 4 8 -120.31 ± 75.55 0 4 2 0 0 -279.41 ± 548.26
456431 ncm-dbt-04 568434 16 3 7 6 -88.68 ± 65.24 0 4 4 0 0 -190.76 ± 189.19
456430 ncm-dbt-05 582068 480 42 221 217 -136.13 ± 14.52 12 159 65 4 0 -298.51 ± 42.7
456429 ncm-dbt-03 587749 492 31 225 236 -144.84 ± 13.43 11 174 59 2 0 -333.25 ± 44.86
456428 ncm-dbt-02 584034 500 37 217 246 -130.94 ± 14.39 10 167 66 7 0 -288.06 ± 42.4
456427 ncm-dbt-01 581111 500 47 229 224 -132.54 ± 15.03 14 161 68 7 0 -282.94 ± 41.76
456426 ncm-dbt-04 567601 500 41 223 236 -132.54 ± 14.01 9 170 65 6 0 -295.94 ± 42.75
456425 ncm-dbt-05 577397 500 35 230 235 -143.07 ± 14.46 14 172 59 5 0 -318.25 ± 44.96
456424 ncm-dbt-03 582987 500 44 218 238 -126.17 ± 13.6 8 162 76 4 0 -277.93 ± 39.29
456423 ncm-dbt-02 584706 500 40 224 236 -134.15 ± 14.33 11 168 65 6 0 -295.94 ± 42.75
456422 ncm-dbt-04 567205 500 47 229 224 -132.54 ± 14.7 12 165 66 7 0 -288.06 ± 42.4
456421 ncm-dbt-01 584495 500 35 213 252 -129.35 ± 14.07 5 178 57 10 0 -295.94 ± 45.36
456420 ncm-dbt-05 578259 500 39 222 239 -133.34 ± 14.85 12 166 66 5 1 -293.29 ± 42.41
456419 ncm-dbt-02 584285 500 38 212 250 -126.17 ± 13.6 6 168 70 6 0 -282.94 ± 41.13
456418 ncm-dbt-03 584453 500 41 225 234 -134.15 ± 15.5 16 160 66 8 0 -282.94 ± 42.37
456417 ncm-dbt-04 568355 500 45 222 233 -128.55 ± 13.91 10 161 75 4 0 -280.42 ± 39.57
456416 ncm-dbt-01 583866 500 39 228 233 -138.18 ± 15.1 17 160 68 5 0 -293.29 ± 41.75
456415 ncm-dbt-05 582527 500 54 232 214 -129.35 ± 14.91 15 153 77 5 0 -270.57 ± 39.07
456414 ncm-dbt-03 585000 500 37 220 243 -133.34 ± 14.34 13 161 72 4 0 -288.06 ± 40.46
456413 ncm-dbt-02 587749 500 29 221 250 -140.62 ± 12.84 5 187 53 5 0 -336.46 ± 47.52
456412 ncm-dbt-01 580199 500 35 227 238 -140.62 ± 13.8 10 177 58 5 0 -321.19 ± 45.36
456411 ncm-dbt-04 567442 500 45 230 225 -134.95 ± 13.96 11 167 68 4 0 -298.62 ± 41.71
456410 ncm-dbt-05 577643 500 38 219 243 -131.74 ± 13.12 8 167 73 2 0 -295.94 ± 39.99
456409 ncm-dbt-03 586266 500 44 220 236 -127.76 ± 15.09 12 161 68 9 0 -273.0 ± 41.7
456408 ncm-dbt-02 585590 500 45 225 230 -130.94 ± 14.72 15 154 77 4 0 -275.45 ± 39.01
456407 ncm-dbt-01 581485 500 43 219 238 -127.76 ± 13.39 10 157 82 1 0 -277.93 ± 37.36
456406 ncm-dbt-04 569629 500 36 228 236 -140.62 ± 14.53 14 169 62 5 0 -309.64 ± 43.82
456405 ncm-dbt-05 579620 500 45 233 222 -137.37 ± 14.6 13 168 63 6 0 -301.33 ± 43.45
456404 ncm-dbt-03 585253 500 44 228 228 -134.15 ± 15.01 16 157 72 5 0 -282.94 ± 40.5
456403 ncm-dbt-02 587622 500 44 231 225 -136.56 ± 13.55 8 176 61 5 0 -312.48 ± 44.19
456402 ncm-dbt-01 586054 500 39 229 232 -138.99 ± 14.57 12 173 58 7 0 -309.64 ± 45.27
456401 ncm-dbt-04 568077 500 37 239 224 -148.85 ± 14.27 17 170 61 2 0 -330.23 ± 44.08
456400 ncm-dbt-02 587240 500 34 224 242 -138.99 ± 13.29 9 175 63 3 0 -318.25 ± 43.39
456399 ncm-dbt-05 584664 500 48 230 222 -132.54 ± 15.19 12 168 60 10 0 -288.06 ± 44.27
456398 ncm-dbt-03 582569 500 49 234 217 -134.95 ± 14.82 14 163 67 6 0 -290.66 ± 42.08
456397 ncm-dbt-01 583489 500 35 235 230 -147.19 ± 13.58 13 176 59 2 0 -336.46 ± 44.87
456396 ncm-dbt-04 566809 500 41 231 228 -138.99 ± 15.74 18 162 62 8 0 -293.29 ± 43.72
456395 ncm-dbt-02 589283 500 46 228 226 -132.54 ± 14.01 13 158 77 2 0 -285.49 ± 38.83
456394 ncm-dbt-03 585885 500 44 231 225 -136.56 ± 13.73 10 171 65 4 0 -306.84 ± 42.73
456393 ncm-dbt-01 581361 500 31 228 241 -144.71 ± 13.08 9 182 56 3 0 -339.63 ± 46.2
456392 ncm-dbt-05 583028 500 43 232 225 -138.18 ± 14.06 11 172 62 5 0 -309.64 ± 43.82
456391 ncm-dbt-04 567244 500 44 232 224 -137.37 ± 13.9 10 173 62 5 0 -309.64 ± 43.82

Commit

Commit ID 830f597134bc942554283833623f12aa970bcad6
Author bmc4
Date 2021-03-16 21:34:23 UTC
Simplify move generation (2/2) STC: LLR: 2.97 (-2.94,2.94) {-1.25,0.25} Total: 39352 W: 3551 L: 3493 D: 32308 Ptnml(0-2): 143, 2695, 13928, 2781, 129 https://tests.stockfishchess.org/tests/view/6050007a2433018de7a38bbb LTC: LLR: 2.96 (-2.94,2.94) {-0.75,0.25} Total: 44944 W: 1629 L: 1596 D: 41719 Ptnml(0-2): 22, 1319, 19762, 1342, 27 https://tests.stockfishchess.org/tests/view/60500e892433018de7a38bc4 Closes https://github.com/official-stockfish/Stockfish/pull/3399 No functional change
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