Dev Builds » 20210415-0919

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 06:41:13 582420 4000 325 1795 1880 -133.95 ± 5.02 83 1351 519 47 0 -296.94 ± 14.97
ncm-dbt-02 06:42:37 586836 4008 329 1822 1857 -135.96 ± 5.01 93 1346 526 39 0 -300.38 ± 14.86
ncm-dbt-03 06:42:02 586171 4000 323 1837 1840 -138.39 ± 5.29 124 1312 518 46 0 -297.95 ± 14.98
ncm-dbt-04 06:42:29 568222 3996 331 1800 1865 -133.99 ± 5.05 87 1342 522 47 0 -295.73 ± 14.92
ncm-dbt-05 06:42:48 581943 3996 327 1801 1868 -134.5 ± 5.05 91 1335 530 41 1 -296.4 ± 14.81
20000 1635 9055 9310 -135.35 ± 2.27 478 6686 2615 220 1 -297.48 ± 6.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
442405 ncm-dbt-02 585759 8 0 3 5 -136.8 ± 89.09 0 3 1 0 0 -337.69 ± 541.44
442404 ncm-dbt-05 575965 496 54 220 222 -120.94 ± 13.39 6 158 80 4 0 -266.47 ± 38.2
442403 ncm-dbt-01 582485 500 50 240 210 -138.99 ± 14.39 14 166 66 4 0 -304.07 ± 42.38
442402 ncm-dbt-04 567561 496 45 223 228 -130.49 ± 13.22 8 164 74 2 0 -291.63 ± 39.68
442401 ncm-dbt-03 587494 500 36 223 241 -136.56 ± 15.29 15 165 62 8 0 -293.29 ± 43.72
442400 ncm-dbt-02 585717 500 42 224 234 -132.54 ± 14.36 12 163 70 5 0 -288.06 ± 41.11
442399 ncm-dbt-05 583447 500 36 228 236 -140.62 ± 15.21 13 175 54 7 1 -315.35 ± 46.8
442398 ncm-dbt-04 567997 500 41 228 231 -136.56 ± 14.27 11 171 62 6 0 -304.07 ± 43.81
442397 ncm-dbt-01 584285 500 38 218 244 -130.94 ± 13.69 7 172 65 6 0 -295.94 ± 42.75
442396 ncm-dbt-03 586350 500 38 225 237 -136.56 ± 14.1 12 167 67 4 0 -301.33 ± 42.04
442395 ncm-dbt-02 588302 500 48 223 229 -126.97 ± 14.78 11 161 70 8 0 -273.0 ± 41.13
442394 ncm-dbt-05 583908 500 49 232 219 -133.34 ± 15.18 14 163 65 8 0 -285.49 ± 42.7
442393 ncm-dbt-04 567918 500 39 229 232 -138.99 ± 15.41 16 166 60 8 0 -298.62 ± 44.44
442392 ncm-dbt-01 582903 500 39 225 236 -135.76 ± 13.94 10 171 64 5 0 -304.07 ± 43.1
442391 ncm-dbt-03 586012 500 42 230 228 -137.37 ± 14.95 17 158 71 4 0 -290.66 ± 40.76
442390 ncm-dbt-02 587240 500 50 227 223 -128.55 ± 13.91 9 164 72 5 0 -282.94 ± 40.5
442389 ncm-dbt-04 568752 500 56 226 218 -123.02 ± 14.49 9 160 73 8 0 -265.78 ± 40.25
442388 ncm-dbt-05 585126 500 25 217 258 -140.62 ± 13.43 9 178 59 4 0 -324.17 ± 44.97
442387 ncm-dbt-01 580116 500 43 218 239 -126.97 ± 13.76 7 167 70 6 0 -282.94 ± 41.13
442386 ncm-dbt-03 586097 500 51 238 211 -136.56 ± 14.79 16 159 71 4 0 -290.66 ± 40.76
442385 ncm-dbt-02 587028 500 38 239 223 -148.02 ± 13.93 16 170 63 1 0 -330.23 ± 43.2
442384 ncm-dbt-04 569190 500 47 219 234 -124.6 ± 14.8 11 158 73 8 0 -265.78 ± 40.25
442383 ncm-dbt-01 581402 500 45 222 233 -128.55 ± 15.24 13 160 68 9 0 -273.0 ± 41.7
442382 ncm-dbt-05 582152 500 36 233 231 -144.71 ± 14.94 17 168 60 5 0 -315.35 ± 44.57
442381 ncm-dbt-03 585464 500 33 231 236 -145.54 ± 14.39 15 172 59 4 0 -324.17 ± 44.97
442380 ncm-dbt-02 588217 500 42 216 242 -126.17 ± 14.29 9 163 71 7 0 -275.45 ± 40.84
442379 ncm-dbt-04 569509 500 40 223 237 -133.34 ± 12.69 5 176 66 3 0 -309.64 ± 42.33
442378 ncm-dbt-01 584579 500 29 222 249 -141.44 ± 13.96 12 173 61 4 0 -318.25 ± 44.18
442377 ncm-dbt-05 579166 500 41 225 234 -134.15 ± 14.33 12 165 68 5 0 -293.29 ± 41.75
442376 ncm-dbt-02 586266 500 46 231 223 -134.95 ± 14.48 14 161 71 4 0 -290.66 ± 40.76
442375 ncm-dbt-03 586054 500 40 226 234 -135.76 ± 14.12 11 169 65 5 0 -301.33 ± 42.75
442374 ncm-dbt-01 582068 500 41 232 227 -139.81 ± 14.37 12 173 59 6 0 -312.48 ± 44.93
442373 ncm-dbt-05 580572 500 51 226 223 -126.97 ± 14.78 13 155 76 6 0 -268.17 ± 39.39
442372 ncm-dbt-04 568673 500 29 224 247 -143.07 ± 14.1 12 176 57 5 0 -324.17 ± 45.77
442371 ncm-dbt-02 586012 500 40 232 228 -140.62 ± 13.04 9 176 63 2 0 -324.17 ± 43.32
442370 ncm-dbt-03 586266 500 42 238 220 -143.89 ± 17.08 26 153 62 9 0 -288.06 ± 43.65
442369 ncm-dbt-01 581527 500 40 218 242 -129.35 ± 14.07 8 169 66 7 0 -288.06 ± 42.4
442368 ncm-dbt-04 566178 500 34 228 238 -142.25 ± 15.01 15 171 57 7 0 -312.48 ± 45.66
442367 ncm-dbt-05 585211 500 35 220 245 -134.95 ± 12.84 7 173 68 2 0 -309.64 ± 41.56
442366 ncm-dbt-03 585632 500 41 226 233 -134.95 ± 14.82 12 169 61 8 0 -295.94 ± 44.08
442365 ncm-dbt-02 586985 500 23 227 250 -150.51 ± 14.4 13 185 45 7 0 -349.43 ± 51.3

Commit

Commit ID 4889cf22bb2985d6d0babb8da93698e5d7641304
Author Stéphane Nicolet
Date 2021-04-15 09:19:44 UTC
Revert previous patch Revert the previous patch about move generation, as it unexpectedly changed the bench. Better to take the time to understand the issue. Bench: 4191632
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