Dev Builds » 20210316-2132

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 583072 4000 305 1785 1910 -134.95 ± 4.9 88 1332 552 28 0 -298.62 ± 14.48
ncm-dbt-02 06:43:20 585999 3990 311 1761 1918 -132.31 ± 4.83 76 1326 565 28 0 -293.76 ± 14.3
ncm-dbt-03 06:42:18 585825 4014 324 1782 1908 -132.23 ± 4.99 78 1350 532 46 1 -293.35 ± 14.78
ncm-dbt-04 06:44:07 567936 4000 306 1814 1880 -137.78 ± 5.12 108 1331 522 39 0 -301.33 ± 14.92
ncm-dbt-05 06:44:38 580807 3996 298 1832 1866 -140.57 ± 5.11 111 1350 499 38 0 -309.79 ± 15.27
20000 1544 8974 9482 -135.56 ± 2.23 461 6689 2670 179 1 -299.3 ± 6.59

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
442490 ncm-dbt-03 585717 14 2 7 5 -129.72 ± 68.06 0 5 2 0 0 -311.09 ± 530.6
442489 ncm-dbt-02 586520 490 43 213 234 -125.76 ± 13.97 9 156 76 4 0 -273.7 ± 39.27
442488 ncm-dbt-05 579289 496 40 228 228 -138.6 ± 13.94 12 167 66 3 0 -308.01 ± 42.32
442487 ncm-dbt-04 570909 500 41 230 229 -138.18 ± 15.92 18 162 61 9 0 -290.66 ± 44.0
442486 ncm-dbt-01 584243 500 36 226 238 -138.99 ± 12.5 8 174 68 0 0 -321.18 ± 41.27
442485 ncm-dbt-03 587494 500 34 226 240 -140.62 ± 13.99 13 169 65 3 0 -312.48 ± 42.67
442484 ncm-dbt-02 587452 500 37 222 241 -134.95 ± 13.59 9 171 66 4 0 -304.07 ± 42.38
442483 ncm-dbt-05 578959 500 38 223 239 -134.95 ± 13.41 11 164 74 1 0 -298.62 ± 39.56
442482 ncm-dbt-04 567958 500 40 217 243 -128.55 ± 15.08 11 165 64 10 0 -277.93 ± 42.91
442481 ncm-dbt-01 583614 500 44 230 226 -135.76 ± 13.94 10 171 64 5 0 -304.07 ± 43.1
442480 ncm-dbt-03 586816 500 38 214 248 -127.76 ± 13.75 7 168 69 6 0 -285.49 ± 41.44
442479 ncm-dbt-02 582736 500 33 223 244 -138.99 ± 12.7 6 181 60 3 0 -327.18 ± 44.54
442478 ncm-dbt-04 567601 500 42 227 231 -134.95 ± 14.82 16 157 73 4 0 -285.49 ± 40.16
442477 ncm-dbt-05 582277 500 30 235 235 -151.34 ± 14.18 18 170 61 1 0 -336.46 ± 43.96
442476 ncm-dbt-01 582402 500 33 213 254 -130.94 ± 13.87 10 164 72 4 0 -288.06 ± 40.46
442475 ncm-dbt-03 585084 500 45 216 239 -123.81 ± 13.63 7 162 76 5 0 -273.0 ± 39.35
442474 ncm-dbt-05 582819 500 41 229 230 -137.37 ± 14.43 13 167 65 5 0 -301.33 ± 42.75
442473 ncm-dbt-02 585632 500 38 221 241 -133.34 ± 14.34 11 167 66 6 0 -293.29 ± 42.41
442472 ncm-dbt-04 567086 500 29 225 246 -143.89 ± 13.12 10 178 60 2 0 -333.32 ± 44.47
442471 ncm-dbt-01 580738 500 43 224 233 -131.74 ± 14.54 14 157 75 4 0 -280.42 ± 39.57
442470 ncm-dbt-03 586308 500 44 223 233 -130.14 ± 15.7 12 168 57 13 0 -280.42 ± 44.97
442469 ncm-dbt-05 580033 500 40 239 221 -146.36 ± 14.72 16 172 57 5 0 -324.17 ± 45.77
442468 ncm-dbt-04 568236 500 39 231 230 -140.62 ± 13.24 11 171 67 1 0 -318.25 ± 41.77
442467 ncm-dbt-03 584790 500 38 228 234 -138.99 ± 13.29 10 172 66 2 0 -315.35 ± 42.24
442466 ncm-dbt-02 586985 500 39 216 245 -128.55 ± 14.08 10 162 73 5 0 -280.42 ± 40.21
442465 ncm-dbt-01 581943 500 33 226 241 -141.44 ± 13.96 13 170 64 3 0 -315.35 ± 43.03
442464 ncm-dbt-05 581402 500 36 229 235 -141.44 ± 14.68 13 174 56 7 0 -315.35 ± 46.07
442463 ncm-dbt-03 585590 500 37 222 241 -134.95 ± 13.78 10 169 67 4 0 -301.33 ± 42.04
442462 ncm-dbt-04 568037 500 40 219 241 -130.14 ± 14.74 13 159 72 6 0 -277.93 ± 40.53
442461 ncm-dbt-02 586012 500 47 221 232 -126.17 ± 13.42 9 158 81 2 0 -275.45 ± 37.75
442460 ncm-dbt-01 584327 500 39 228 233 -138.18 ± 13.69 11 170 66 3 0 -309.64 ± 42.33
442459 ncm-dbt-03 584453 500 49 223 228 -126.17 ± 14.29 7 169 65 9 0 -280.42 ± 42.65
442458 ncm-dbt-04 565744 500 35 231 234 -143.89 ± 13.12 10 178 60 2 0 -333.32 ± 44.47
442457 ncm-dbt-02 587070 500 44 223 233 -130.14 ± 13.7 11 159 78 2 0 -282.94 ± 38.55
442456 ncm-dbt-05 577602 500 32 233 235 -148.02 ± 14.3 15 175 56 4 0 -333.32 ± 46.21
442455 ncm-dbt-01 583698 500 39 220 241 -131.74 ± 14.2 12 161 73 4 0 -285.49 ± 40.16
442454 ncm-dbt-03 586181 500 37 223 240 -135.76 ± 14.64 12 168 65 4 1 -301.33 ± 42.75
442453 ncm-dbt-02 585590 500 30 222 248 -140.62 ± 13.43 11 172 65 2 0 -318.25 ± 42.59
442452 ncm-dbt-04 567918 500 40 234 226 -142.25 ± 15.35 19 161 65 5 0 -301.33 ± 42.75
442451 ncm-dbt-01 583614 500 38 218 244 -130.94 ± 14.04 10 165 70 5 0 -288.06 ± 41.11
442450 ncm-dbt-05 584076 500 41 216 243 -126.97 ± 15.73 13 161 64 12 0 -268.17 ± 42.75

Commit

Commit ID 4b509559fbabe8a41cb8387c71d07bb1c7b78d6f
Author bmc4
Date 2021-03-16 21:32:53 UTC
Simplify move generation (1/2) STC: LLR: 2.95 (-2.94,2.94) {-1.25,0.25} Total: 29792 W: 2611 L: 2545 D: 24636 Ptnml(0-2): 94, 1982, 10659, 2086, 75 https://tests.stockfishchess.org/tests/view/604fe5b62433018de7a38ba8 LTC: LLR: 2.92 (-2.94,2.94) {-0.75,0.25} Total: 22040 W: 826 L: 777 D: 20437 Ptnml(0-2): 8, 646, 9664, 693, 9 https://tests.stockfishchess.org/tests/view/604fec892433018de7a38bac Closes https://github.com/official-stockfish/Stockfish/pull/3399 No functional change
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