Dev Builds » 20250427-1747

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 06:45:25 583515 4006 1652 434 1920 +109.08 ± 4.77 2 55 693 1229 24 +239.26 ± 12.91
ncm-dbt-02 06:45:10 585364 3996 1650 447 1899 +107.94 ± 4.68 0 55 702 1224 17 +237.37 ± 12.82
ncm-dbt-03 06:45:09 585642 4014 1669 420 1925 +111.82 ± 4.7 2 55 658 1276 16 +249.28 ± 13.27
ncm-dbt-04 06:45:14 570532 4000 1635 500 1865 +101.37 ± 4.82 2 70 737 1173 18 +219.62 ± 12.52
ncm-dbt-05 06:46:01 584651 3984 1616 453 1915 +104.46 ± 4.76 0 60 732 1177 23 +226.15 ± 12.54
20000 8222 2254 9524 +106.93 ± 2.12 6 295 3522 6079 98 +234.17 ± 5.72

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
410919 ncm-dbt-01 582819 6 4 0 2 +278.86 ± 222.92 0 0 0 2 1 +1199.83 ± 276.48
410918 ncm-dbt-03 586816 14 6 3 5 +75.6 ± 101.52 0 1 2 4 0 +159.18 ± 377.67
410917 ncm-dbt-05 586646 484 197 56 231 +104.23 ± 14.17 0 10 84 145 3 +225.1 ± 37.42
410916 ncm-dbt-02 586308 496 197 49 250 +106.92 ± 13.8 0 9 85 151 3 +232.62 ± 37.18
410915 ncm-dbt-04 571793 500 195 77 228 +83.57 ± 13.87 0 13 108 127 2 +174.55 ± 32.75
410914 ncm-dbt-03 584537 500 210 50 240 +115.23 ± 13.02 1 3 83 161 2 +261.07 ± 37.44
410913 ncm-dbt-01 583782 500 213 58 229 +111.37 ± 13.22 0 6 86 155 3 +245.2 ± 36.85
410912 ncm-dbt-05 586097 500 204 60 236 +102.97 ± 13.38 0 8 92 148 2 +223.94 ± 35.61
410911 ncm-dbt-02 584664 500 207 50 243 +112.91 ± 12.86 0 6 82 161 1 +254.16 ± 37.82
410910 ncm-dbt-04 569470 500 200 56 244 +102.97 ± 13.71 1 7 91 149 2 +226.0 ± 35.82
410909 ncm-dbt-03 585379 500 216 58 226 +113.68 ± 13.89 0 8 81 156 5 +247.41 ± 38.13
410908 ncm-dbt-01 583321 500 210 51 239 +114.45 ± 12.3 0 2 89 157 2 +256.44 ± 35.8
410907 ncm-dbt-05 582152 500 207 47 246 +115.22 ± 13.55 0 6 83 156 5 +251.89 ± 37.57
410906 ncm-dbt-02 585548 500 207 51 242 +112.14 ± 12.51 0 5 84 161 0 +254.16 ± 37.27
410905 ncm-dbt-04 571230 500 210 71 219 +99.2 ± 13.83 0 10 94 143 3 +211.87 ± 35.26
410904 ncm-dbt-03 584537 500 198 46 256 +109.07 ± 13.05 0 5 91 151 3 +238.66 ± 35.65
410903 ncm-dbt-01 582819 500 205 56 239 +106.77 ± 13.39 0 8 87 153 2 +234.38 ± 36.71
410902 ncm-dbt-02 584369 500 212 62 226 +107.54 ± 13.06 0 5 93 149 3 +234.38 ± 35.22
410901 ncm-dbt-04 568395 500 217 55 228 +116.77 ± 12.65 0 3 85 159 3 +261.07 ± 36.86
410900 ncm-dbt-05 582110 500 199 57 244 +101.46 ± 13.2 0 7 96 145 2 +219.87 ± 34.73
410899 ncm-dbt-03 587494 500 216 56 228 +115.23 ± 12.48 0 5 80 165 0 +263.42 ± 38.27
410898 ncm-dbt-01 582527 500 197 50 253 +105.25 ± 14.2 0 9 91 144 6 +221.9 ± 35.86
410897 ncm-dbt-02 586562 500 199 70 231 +91.71 ± 13.42 0 9 105 134 2 +194.57 ± 33.11
410896 ncm-dbt-05 587622 500 203 58 239 +103.73 ± 13.55 0 8 92 147 3 +223.94 ± 35.61
410895 ncm-dbt-04 570029 500 206 57 237 +106.77 ± 12.53 0 5 91 154 0 +238.66 ± 35.65
410894 ncm-dbt-03 585295 500 194 55 251 +99.2 ± 13.83 1 8 94 145 2 +215.85 ± 35.23
410893 ncm-dbt-01 585464 500 207 58 235 +106.77 ± 12.71 0 6 89 155 0 +238.66 ± 36.16
410892 ncm-dbt-02 586393 500 204 62 234 +101.46 ± 13.53 0 8 95 144 3 +217.85 ± 34.98
410891 ncm-dbt-05 582903 500 202 61 237 +100.7 ± 12.69 0 5 100 144 1 +219.87 ± 33.78
410890 ncm-dbt-04 569111 500 202 57 241 +103.73 ± 14.19 1 9 87 150 3 +226.0 ± 36.75
410889 ncm-dbt-03 585126 500 210 47 243 +117.55 ± 13.53 0 9 71 168 2 +265.78 ± 40.81
410888 ncm-dbt-01 581028 500 205 44 251 +116.0 ± 13.88 1 6 78 161 4 +258.75 ± 38.88
410887 ncm-dbt-02 584748 500 214 52 234 +116.77 ± 13.19 0 7 76 165 2 +263.42 ± 39.41
410886 ncm-dbt-05 582611 500 208 57 235 +108.3 ± 13.4 0 7 88 152 3 +236.51 ± 36.44
410885 ncm-dbt-03 585590 500 207 50 243 +112.91 ± 13.04 0 7 80 162 1 +254.16 ± 38.36
410884 ncm-dbt-04 571110 500 198 59 243 +99.2 ± 13.83 0 11 91 146 2 +213.85 ± 35.9
410883 ncm-dbt-01 583740 500 203 52 245 +108.3 ± 13.56 0 8 86 153 3 +236.51 ± 36.93
410882 ncm-dbt-02 584327 500 210 51 239 +114.45 ± 13.21 0 6 82 159 3 +254.16 ± 37.82
410881 ncm-dbt-03 586012 500 212 55 233 +112.91 ± 13.39 0 9 76 164 1 +254.16 ± 39.42
410880 ncm-dbt-05 587070 500 196 57 247 +99.2 ± 13.83 0 9 97 140 4 +209.91 ± 34.63
410879 ncm-dbt-04 573123 500 207 68 225 +99.2 ± 14.15 0 12 90 145 3 +211.87 ± 36.13
410878 ncm-dbt-01 586139 500 208 65 227 +102.22 ± 14.33 1 10 87 149 3 +221.9 ± 36.76

Commit

Commit ID e5aa4b48c633eccdd6effda94583c52bfe436bb1
Author FauziAkram
Date 2025-04-27 17:47:08 UTC
Simplify Evasion Move Scoring Passed STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 160256 W: 41432 L: 41348 D: 77476 Ptnml(0-2): 485, 19034, 41028, 19074, 507 https://tests.stockfishchess.org/tests/view/680d242c3629b02d74b15662 Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 103086 W: 26388 L: 26252 D: 50446 Ptnml(0-2): 41, 11174, 28982, 11300, 46 https://tests.stockfishchess.org/tests/view/680d47f83629b02d74b1571e closes https://github.com/official-stockfish/Stockfish/pull/6029 Bench: 1937261
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