Dev Builds » 20201126-0720

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 06:51:01 581873 4012 313 1860 1839 -141.27 ± 5.08 108 1371 487 40 0 -313.44 ± 15.45
ncm-dbt-02 06:49:56 586077 4000 279 1831 1890 -142.25 ± 4.97 96 1398 468 38 0 -321.19 ± 15.77
ncm-dbt-03 06:50:37 586135 4000 281 1825 1894 -141.44 ± 4.79 86 1396 494 24 0 -321.93 ± 15.32
ncm-dbt-04 06:51:51 565881 3988 288 1807 1893 -139.36 ± 5.0 93 1372 490 39 0 -311.87 ± 15.41
ncm-dbt-05 06:50:49 582579 4000 320 1815 1865 -136.46 ± 4.9 81 1370 512 37 0 -306.15 ± 15.07
20000 1481 9138 9381 -140.15 ± 2.21 464 6907 2451 178 0 -314.84 ± 6.88

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
446517 ncm-dbt-01 583782 12 2 3 7 -29.01 ± 98.94 0 2 3 1 0 -58.45 ± 226.57
446516 ncm-dbt-04 568752 488 29 225 234 -147.87 ± 14.76 17 165 59 3 0 -325.37 ± 44.92
446515 ncm-dbt-05 580655 500 38 225 237 -136.56 ± 14.1 9 176 58 7 0 -309.64 ± 45.27
446514 ncm-dbt-02 585928 500 33 223 244 -138.99 ± 13.67 11 171 65 3 0 -312.48 ± 42.67
446513 ncm-dbt-03 584706 500 28 236 236 -153.86 ± 13.28 11 190 45 4 0 -370.41 ± 51.77
446512 ncm-dbt-01 581194 500 39 227 234 -137.37 ± 13.71 11 169 67 3 0 -306.84 ± 41.99
446511 ncm-dbt-05 581985 500 40 219 241 -130.14 ± 14.4 9 169 64 8 0 -288.06 ± 43.03
446510 ncm-dbt-04 566493 500 26 216 258 -138.99 ± 12.7 5 184 57 4 0 -330.23 ± 45.79
446509 ncm-dbt-02 585253 500 31 226 243 -143.07 ± 14.46 15 169 62 4 0 -315.35 ± 43.81
446508 ncm-dbt-03 583992 500 38 236 226 -145.54 ± 13.45 13 173 63 1 0 -330.23 ± 43.2
446507 ncm-dbt-01 583028 500 38 228 234 -138.99 ± 13.67 11 171 65 3 0 -312.48 ± 42.67
446506 ncm-dbt-05 585337 500 47 222 231 -126.97 ± 13.58 7 166 72 5 0 -282.94 ± 40.5
446505 ncm-dbt-04 565508 500 42 222 236 -130.94 ± 14.22 12 160 74 4 0 -282.94 ± 39.86
446504 ncm-dbt-03 586350 500 32 232 236 -147.19 ± 12.78 11 178 61 0 0 -342.85 ± 43.79
446503 ncm-dbt-02 584874 500 38 228 234 -138.99 ± 13.67 10 174 62 4 0 -315.35 ± 43.81
446502 ncm-dbt-01 581111 500 38 237 225 -146.36 ± 14.72 17 169 60 4 0 -321.19 ± 44.57
446501 ncm-dbt-05 582402 500 38 224 238 -135.76 ± 13.2 7 176 63 4 0 -312.48 ± 43.44
446500 ncm-dbt-04 567007 500 36 230 234 -142.25 ± 13.75 11 176 59 4 0 -324.17 ± 44.97
446499 ncm-dbt-02 588472 500 42 223 235 -131.74 ± 13.67 8 170 67 5 0 -295.94 ± 42.08
446498 ncm-dbt-03 587240 500 34 219 247 -134.95 ± 13.96 11 167 68 4 0 -298.62 ± 41.71
446497 ncm-dbt-01 578959 500 43 236 221 -141.44 ± 14.68 16 165 65 4 0 -306.84 ± 42.73
446496 ncm-dbt-05 580489 500 44 227 229 -133.34 ± 14.17 14 157 77 2 0 -285.49 ± 38.83
446495 ncm-dbt-02 585506 500 34 237 229 -149.68 ± 13.86 14 178 55 3 0 -342.85 ± 46.64
446494 ncm-dbt-04 561137 500 54 230 216 -127.76 ± 14.27 8 168 66 8 0 -282.94 ± 42.37
446493 ncm-dbt-01 580323 500 32 234 234 -148.85 ± 14.82 16 176 52 6 0 -333.32 ± 47.9
446492 ncm-dbt-03 586562 500 27 225 248 -145.54 ± 13.25 11 178 59 2 0 -336.46 ± 44.87
446491 ncm-dbt-05 583992 500 46 232 222 -135.76 ± 13.2 8 173 66 3 0 -309.64 ± 42.33
446490 ncm-dbt-01 582360 500 39 239 222 -147.19 ± 15.4 17 174 51 8 0 -324.17 ± 48.12
446489 ncm-dbt-02 586393 500 32 228 240 -143.89 ± 13.12 8 184 54 4 0 -339.63 ± 47.1
446488 ncm-dbt-04 565115 500 31 216 253 -134.95 ± 15.64 15 165 60 10 0 -288.06 ± 44.27
446487 ncm-dbt-03 586139 500 41 232 227 -139.81 ± 14.01 10 177 57 6 0 -318.25 ± 45.73
446486 ncm-dbt-05 581236 500 34 230 236 -143.89 ± 13.89 15 167 67 1 0 -318.25 ± 41.77
446485 ncm-dbt-01 582068 500 38 239 223 -148.02 ± 14.12 13 180 52 5 0 -339.63 ± 47.98
446484 ncm-dbt-02 585885 500 36 227 237 -139.81 ± 15.56 15 171 54 10 0 -304.07 ± 46.54
446483 ncm-dbt-03 586731 500 37 217 246 -130.94 ± 14.56 12 162 70 6 0 -282.94 ± 41.13
446482 ncm-dbt-04 568355 500 31 234 235 -149.68 ± 14.24 16 174 57 3 0 -336.46 ± 45.77
446481 ncm-dbt-05 584537 500 33 236 231 -149.68 ± 14.24 12 186 45 7 0 -349.43 ± 51.3
446480 ncm-dbt-01 584034 500 44 217 239 -125.38 ± 13.79 7 165 72 6 0 -277.93 ± 40.53
446479 ncm-dbt-02 586308 500 33 239 228 -152.18 ± 14.34 15 181 49 5 0 -349.43 ± 49.46
446478 ncm-dbt-04 564683 500 39 234 227 -143.07 ± 13.15 9 180 58 3 0 -333.32 ± 45.35
446477 ncm-dbt-03 587367 500 44 228 228 -134.15 ± 12.67 7 171 71 1 0 -306.84 ± 40.47

Commit

Commit ID 190dd26b9f1bc6442acf7b2ae4750eb4ab8b90bd
Author Vizvezdenec
Date 2020-11-26 07:20:06 UTC
use classical for certain endgames. STC https://tests.stockfishchess.org/tests/view/5fbc64c067cbf42301d6b1d6 LLR: 2.97 (-2.94,2.94) {-0.25,1.25} Total: 53360 W: 5223 L: 5024 D: 43113 Ptnml(0-2): 184, 3877, 18390, 4014, 215 LTC https://tests.stockfishchess.org/tests/view/5fbc97f267cbf42301d6b1ee LLR: 2.96 (-2.94,2.94) {0.25,1.25} Total: 126472 W: 5111 L: 4766 D: 116595 Ptnml(0-2): 50, 4032, 54749, 4333, 72 closes https://github.com/official-stockfish/Stockfish/pull/3240 bench: 3820648
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