Dev Builds » 20220416-0636

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 03:17:51 584140 1910 456 509 945 -9.64 ± 7.54 2 245 512 196 0 -18.57 ± 15.01
ncm-dbt-02 03:16:00 587218 1906 477 484 945 -1.28 ± 7.31 2 207 540 204 0 -1.82 ± 14.53
ncm-dbt-03 03:18:14 588039 1930 489 502 939 -2.34 ± 7.62 3 229 513 218 2 -4.32 ± 15.01
ncm-dbt-04 03:17:29 571783 1918 464 494 960 -5.43 ± 7.46 3 227 526 203 0 -9.78 ± 14.78
ncm-dbt-05 03:17:14 583722 1908 457 517 934 -10.93 ± 7.53 4 242 518 190 0 -20.42 ± 14.91
9572 2343 2506 4723 -5.92 ± 3.35 14 1150 2609 1011 2 -10.97 ± 6.64

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
399323 ncm-dbt-01 583196 410 91 108 211 -14.41 ± 16.45 0 58 106 41 0 -28.88 ± 33.14
399322 ncm-dbt-02 590096 406 102 111 193 -7.7 ± 15.08 0 45 122 36 0 -15.41 ± 30.25
399321 ncm-dbt-05 582611 408 105 123 180 -15.34 ± 15.91 2 49 118 35 0 -27.31 ± 31.0
399320 ncm-dbt-04 571551 418 90 122 206 -26.65 ± 16.49 1 66 106 36 0 -51.92 ± 33.15
399319 ncm-dbt-03 589069 430 107 115 208 -6.46 ± 15.35 1 48 124 42 0 -11.32 ± 30.28
399318 ncm-dbt-01 585548 500 130 129 241 +0.7 ± 14.74 1 55 136 58 0 +2.78 ± 29.15
399317 ncm-dbt-02 583824 500 127 125 248 +1.39 ± 14.93 0 59 130 61 0 +2.78 ± 29.91
399316 ncm-dbt-04 571592 500 120 131 249 -7.64 ± 14.72 0 64 133 53 0 -15.3 ± 29.53
399315 ncm-dbt-05 582277 500 107 128 265 -14.6 ± 14.0 0 64 143 43 0 -29.25 ± 28.2
399314 ncm-dbt-03 585928 500 125 120 255 +3.47 ± 15.23 1 55 134 58 2 +5.56 ± 29.41
399313 ncm-dbt-02 586054 500 120 128 252 -5.56 ± 13.61 0 54 150 46 0 -11.12 ± 27.29
399312 ncm-dbt-01 583321 500 119 141 240 -15.3 ± 14.84 0 71 130 49 0 -30.65 ± 29.9
399311 ncm-dbt-05 585590 500 131 134 235 -2.08 ± 14.61 1 56 138 55 0 -2.78 ± 28.89
399310 ncm-dbt-04 570949 500 124 112 264 +8.34 ± 13.73 0 45 148 57 0 +16.69 ± 27.55
399309 ncm-dbt-03 588047 500 132 131 237 +0.69 ± 15.36 0 63 123 64 0 +1.39 ± 30.78
399308 ncm-dbt-02 588899 500 128 120 252 +5.56 ± 14.79 2 49 138 61 0 +13.9 ± 28.89
399307 ncm-dbt-05 584411 500 114 132 254 -12.51 ± 15.72 1 73 119 57 0 -23.66 ± 31.27
399306 ncm-dbt-04 573042 500 130 129 241 +0.7 ± 14.74 2 52 139 57 0 +4.17 ± 28.76
399305 ncm-dbt-01 584495 500 116 131 253 -10.42 ± 14.44 1 61 140 48 0 -19.48 ± 28.62
399304 ncm-dbt-03 589112 500 125 136 239 -7.64 ± 14.97 1 63 132 54 0 -13.9 ± 29.66

Commit

Commit ID c3b67faf983ac918f313d019a7427d99901fcdb0
Author Joost VandeVondele
Date 2022-04-16 06:36:37 UTC
Update WDL model for current SF This updates the WDL model based on the LTC statistics for the last month (8M games). for old results see: https://github.com/official-stockfish/Stockfish/pull/3582 https://github.com/official-stockfish/Stockfish/pull/2778 the model changed a bit from the past, some images to follow in the PR closes https://github.com/official-stockfish/Stockfish/pull/3981 No functional change.
Copyright 2011–2025 Next Chess Move LLC