Dev Builds » 20201125-2005

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 06:46:21 581839 4000 307 1840 1853 -140.32 ± 5.29 124 1332 498 45 1 -304.76 ± 15.28
ncm-dbt-02 06:48:23 585179 4016 332 1820 1864 -135.16 ± 4.87 79 1364 532 32 1 -302.83 ± 14.77
ncm-dbt-03 06:46:22 586121 4000 307 1845 1848 -140.83 ± 4.91 88 1398 478 36 0 -318.98 ± 15.6
ncm-dbt-04 06:46:26 565501 4000 295 1851 1854 -142.66 ± 4.88 93 1400 477 30 0 -323.79 ± 15.61
ncm-dbt-05 06:48:19 581394 3984 271 1812 1901 -141.76 ± 4.94 91 1396 468 37 0 -321.12 ± 15.77
20000 1512 9168 9320 -140.13 ± 2.23 475 6890 2453 180 2 -314.12 ± 6.88

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
437520 ncm-dbt-02 584243 16 2 8 6 -136.89 ± 61.78 0 6 2 0 0 -337.87 ± 515.83
437519 ncm-dbt-05 583572 484 30 221 233 -144.97 ± 14.18 13 168 58 3 0 -326.83 ± 45.33
437518 ncm-dbt-03 585506 500 47 229 224 -132.54 ± 15.03 15 158 71 6 0 -280.42 ± 40.83
437517 ncm-dbt-04 564174 500 30 235 235 -151.34 ± 13.6 16 173 61 0 0 -342.85 ± 43.79
437516 ncm-dbt-01 581111 500 37 239 224 -148.85 ± 14.46 17 171 59 3 0 -330.23 ± 44.94
437515 ncm-dbt-02 586308 500 42 228 230 -135.76 ± 13.76 9 173 63 5 0 -306.84 ± 43.45
437514 ncm-dbt-05 583992 500 39 234 227 -143.07 ± 13.91 11 178 56 5 0 -327.18 ± 46.19
437513 ncm-dbt-03 587409 500 39 231 230 -140.62 ± 13.24 11 171 67 1 0 -318.25 ± 41.77
437512 ncm-dbt-01 582694 500 36 218 246 -132.54 ± 14.53 12 164 68 6 0 -288.06 ± 41.76
437511 ncm-dbt-02 587409 500 40 230 230 -138.99 ± 13.85 10 175 60 5 0 -315.35 ± 44.57
437510 ncm-dbt-04 567482 500 37 227 236 -138.99 ± 13.67 11 171 65 3 0 -312.48 ± 42.67
437509 ncm-dbt-05 579207 500 32 229 239 -144.71 ± 13.08 9 182 56 3 0 -339.63 ± 46.2
437508 ncm-dbt-03 585632 500 38 233 229 -143.07 ± 13.34 8 184 53 5 0 -336.46 ± 47.52
437507 ncm-dbt-02 584369 500 42 225 233 -133.34 ± 13.26 9 167 72 2 0 -298.62 ± 40.29
437506 ncm-dbt-01 585928 500 38 228 234 -138.99 ± 13.67 11 171 65 3 0 -312.48 ± 42.67
437505 ncm-dbt-04 563197 500 48 233 219 -134.95 ± 14.82 14 163 67 6 0 -290.66 ± 42.08
437504 ncm-dbt-05 579951 500 34 224 242 -138.99 ± 14.21 9 180 53 8 0 -318.25 ± 47.23
437503 ncm-dbt-02 580613 500 44 217 239 -125.38 ± 14.47 12 154 79 5 0 -265.78 ± 38.54
437502 ncm-dbt-03 587028 500 36 239 225 -149.68 ± 13.86 14 178 55 3 0 -342.85 ± 46.64
437501 ncm-dbt-01 578959 500 36 238 226 -148.85 ± 15.18 17 175 51 7 0 -330.23 ± 48.25
437500 ncm-dbt-04 566020 500 28 231 241 -149.68 ± 13.47 12 182 53 3 0 -349.43 ± 47.56
437499 ncm-dbt-02 586393 500 40 231 229 -139.81 ± 14.72 13 172 58 7 0 -309.64 ± 45.27
437498 ncm-dbt-05 580572 500 40 221 239 -131.74 ± 14.37 13 159 74 4 0 -282.94 ± 39.86
437497 ncm-dbt-03 585211 500 47 225 228 -129.35 ± 14.07 9 166 69 6 0 -285.49 ± 41.44
437496 ncm-dbt-04 565587 500 49 232 219 -133.34 ± 14.68 11 169 62 8 0 -293.29 ± 43.72
437495 ncm-dbt-01 577684 500 40 218 242 -129.35 ± 15.07 14 157 72 7 0 -273.0 ± 40.54
437494 ncm-dbt-03 584327 500 41 235 224 -142.25 ± 14.48 14 171 60 5 0 -315.35 ± 44.57
437493 ncm-dbt-02 586604 500 39 226 235 -136.56 ± 13.55 10 170 67 3 0 -306.84 ± 41.99
437492 ncm-dbt-05 583279 500 24 224 252 -147.19 ± 13.18 10 183 54 3 0 -346.12 ± 47.1
437491 ncm-dbt-01 582819 500 43 230 227 -136.56 ± 15.78 17 161 65 6 1 -290.66 ± 42.73
437490 ncm-dbt-04 565272 500 37 232 231 -143.07 ± 13.34 8 184 53 5 0 -336.46 ± 47.52
437489 ncm-dbt-03 588686 500 28 224 248 -143.89 ± 13.51 7 189 47 7 0 -342.85 ± 50.22
437488 ncm-dbt-02 584495 500 49 225 226 -127.76 ± 13.57 8 164 74 4 0 -282.94 ± 39.86
437487 ncm-dbt-05 582736 500 40 224 236 -134.15 ± 15.01 13 166 63 8 0 -290.66 ± 43.37
437486 ncm-dbt-01 584285 500 36 234 230 -145.54 ± 15.27 18 168 58 6 0 -315.35 ± 45.33
437485 ncm-dbt-04 566928 500 28 238 234 -155.54 ± 12.34 11 188 51 0 0 -377.86 ± 48.25
437484 ncm-dbt-04 565351 500 38 223 239 -134.95 ± 13.96 10 170 65 5 0 -301.33 ± 42.75
437483 ncm-dbt-03 585169 500 31 229 240 -145.54 ± 13.25 10 181 56 3 0 -339.63 ± 46.2
437482 ncm-dbt-02 586181 500 34 230 236 -143.89 ± 13.12 8 183 57 1 1 -342.85 ± 45.71
437481 ncm-dbt-01 581236 500 41 235 224 -142.25 ± 15.51 18 165 60 7 0 -304.07 ± 44.5
437480 ncm-dbt-05 577848 500 32 235 233 -149.68 ± 13.67 13 180 54 3 0 -346.12 ± 47.1

Commit

Commit ID 9fb6383ed804d0bc86d52b07def14352f44eb5b4
Author Unai Corzo
Date 2020-11-25 20:05:08 UTC
Assorted search and eval parameter tune Search and eval parameter tune. STC https://tests.stockfishchess.org/tests/view/5fba850a67cbf42301d6b07d LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 24312 W: 2388 L: 2228 D: 19696 Ptnml(0-2): 85, 1800, 8241, 1930, 100 LTC https://tests.stockfishchess.org/tests/view/5fbad5ea67cbf42301d6b0fa LLR: 2.95 (-2.94,2.94) {0.25,1.25} Total: 88376 W: 3619 L: 3351 D: 81406 Ptnml(0-2): 56, 2977, 37849, 3255, 51 closes https://github.com/official-stockfish/Stockfish/pull/3232 bench: 3600361
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