Dev Builds » 20240121-1149

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 03:12:51 577872 1856 671 269 916 +76.46 ± 7.28 0 62 405 458 3 +159.77 ± 16.9
ncm-dbt-02 03:12:30 584307 1846 654 266 926 +74.13 ± 7.21 1 54 429 434 5 +153.87 ± 16.33
ncm-dbt-03 03:11:47 583827 1846 688 295 863 +75.12 ± 7.43 1 63 407 446 6 +155.7 ± 16.85
ncm-dbt-04 03:13:01 568703 1864 689 273 902 +78.87 ± 7.22 2 54 403 472 1 +167.28 ± 16.93
ncm-dbt-05 03:12:55 581216 1846 672 315 859 +68.05 ± 7.46 2 71 421 426 3 +141.31 ± 16.57
9258 3374 1418 4466 +74.53 ± 3.28 6 304 2065 2236 18 +155.53 ± 7.47

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
419645 ncm-dbt-02 584327 346 130 50 166 +81.81 ± 17.04 0 11 72 89 1 +171.31 ± 40.37
419644 ncm-dbt-03 583154 346 126 55 165 +72.32 ± 17.68 0 16 70 87 0 +151.52 ± 40.96
419643 ncm-dbt-05 581277 346 126 69 151 +57.76 ± 16.48 0 13 91 68 1 +116.66 ± 35.3
419642 ncm-dbt-04 569949 364 134 51 179 +80.64 ± 16.66 0 13 73 96 0 +171.04 ± 40.14
419641 ncm-dbt-01 575802 356 127 47 182 +79.43 ± 17.12 0 14 70 94 0 +168.16 ± 40.99
419640 ncm-dbt-02 584034 500 176 57 267 +84.31 ± 12.95 0 9 113 128 0 +179.9 ± 31.72
419639 ncm-dbt-03 585928 500 195 85 220 +77.7 ± 14.0 0 15 112 121 2 +160.64 ± 32.15
419638 ncm-dbt-05 579744 500 182 89 229 +65.39 ± 15.36 1 27 100 122 0 +137.37 ± 34.12
419637 ncm-dbt-04 568633 500 188 66 246 +86.52 ± 13.78 1 11 103 135 0 +187.16 ± 33.6
419636 ncm-dbt-01 577192 500 186 69 245 +82.83 ± 14.29 0 18 97 135 0 +176.33 ± 34.76
419635 ncm-dbt-02 585295 500 170 78 252 +64.66 ± 13.69 0 16 128 104 2 +130.94 ± 29.72
419634 ncm-dbt-05 581569 500 182 72 246 +77.71 ± 13.71 0 15 110 125 0 +164.07 ± 32.48
419633 ncm-dbt-03 583950 500 169 73 258 +67.55 ± 14.65 1 20 112 116 1 +140.62 ± 32.26
419632 ncm-dbt-04 568315 500 181 82 237 +69.71 ± 14.03 0 18 116 115 1 +143.89 ± 31.59
419631 ncm-dbt-01 578753 500 175 75 250 +70.43 ± 13.76 0 16 119 114 1 +145.54 ± 31.07
419630 ncm-dbt-03 582277 500 198 82 220 +82.1 ± 13.83 0 12 113 122 3 +169.27 ± 31.88
419629 ncm-dbt-02 583572 500 178 81 241 +68.27 ± 14.54 1 18 116 113 2 +140.62 ± 31.61
419628 ncm-dbt-04 567918 500 186 74 240 +79.17 ± 13.75 1 12 111 126 0 +169.27 ± 32.25
419627 ncm-dbt-05 582277 500 182 85 233 +68.27 ± 14.26 1 16 120 111 2 +140.62 ± 30.95
419626 ncm-dbt-01 579744 500 183 78 239 +74.06 ± 13.74 0 14 119 115 2 +152.18 ± 31.0

Commit

Commit ID a6fd17f27d7675332166e9e6ea8210237281fc77
Author Muzhen Gaming
Date 2024-01-21 11:49:30 UTC
VLTC search tune Search parameters were tuned using 152k games at 180+1.8. Passed VLTC: https://tests.stockfishchess.org/tests/view/65a7a81979aa8af82b973a20 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 117338 W: 29244 L: 28848 D: 59246 Ptnml(0-2): 24, 12474, 33267, 12890, 14 Passed VVLTC: https://tests.stockfishchess.org/tests/view/65ab246679aa8af82b977982 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 28164 W: 7239 L: 6957 D: 13968 Ptnml(0-2): 3, 2651, 8490, 2937, 1 STC Elo estimate: https://tests.stockfishchess.org/tests/view/65ac7c0979aa8af82b9792a6 Elo: -0.53 ± 2.0 (95%) LOS: 30.4% Total: 30000 W: 7688 L: 7734 D: 14578 Ptnml(0-2): 102, 3617, 7614, 3559, 108 nElo: -1.03 ± 3.9 (95%) PairsRatio: 0.99 closes https://github.com/official-stockfish/Stockfish/pull/5003 Bench: 1235377
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