Dev Builds » 20251113-2110

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 06:45:54 582327 4000 1680 414 1906 +113.87 ± 4.71 1 49 659 1265 26 +252.17 ± 13.24
ncm-dbt-02 06:47:11 586508 4006 1691 451 1864 +111.19 ± 4.7 0 47 698 1229 29 +243.33 ± 12.84
ncm-dbt-03 06:45:45 585478 4000 1663 453 1884 +108.49 ± 4.71 2 51 702 1225 20 +238.66 ± 12.81
ncm-dbt-04 06:46:02 568013 4000 1676 466 1858 +108.49 ± 4.81 1 61 692 1219 27 +236.51 ± 12.93
ncm-dbt-05 06:47:45 584506 3994 1648 460 1886 +106.56 ± 4.82 1 62 708 1200 26 +231.41 ± 12.77
20000 8358 2244 9398 +109.72 ± 2.13 5 270 3459 6138 128 +240.34 ± 5.77

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
441839 ncm-dbt-02 586393 6 2 0 4 +120.22 ± 109.7 0 0 1 2 0 +279.24 ± 576.89
441838 ncm-dbt-05 582318 494 198 52 244 +105.84 ± 13.32 0 5 95 143 4 +227.5 ± 34.77
441837 ncm-dbt-03 586477 500 206 67 227 +99.2 ± 13.99 0 12 89 147 2 +213.85 ± 36.34
441836 ncm-dbt-01 582152 500 219 49 232 +123.02 ± 13.65 0 8 68 170 4 +277.93 ± 41.74
441835 ncm-dbt-04 569230 500 213 56 231 +112.91 ± 13.73 0 10 75 163 2 +251.89 ± 39.67
441834 ncm-dbt-02 586985 500 222 54 224 +121.45 ± 12.2 0 3 77 169 1 +280.42 ± 38.93
441833 ncm-dbt-05 580738 500 205 50 245 +111.37 ± 13.22 0 5 89 152 4 +243.0 ± 36.1
441832 ncm-dbt-03 585421 500 213 59 228 +110.6 ± 12.88 0 3 94 149 4 +240.82 ± 34.82
441831 ncm-dbt-01 579372 500 204 60 236 +102.97 ± 13.04 0 7 93 149 1 +226.0 ± 35.35
441830 ncm-dbt-02 586181 500 207 48 245 +114.45 ± 13.21 0 5 85 156 4 +251.89 ± 37.03
441829 ncm-dbt-04 567878 500 203 64 233 +99.2 ± 12.85 0 6 100 143 1 +215.85 ± 33.86
441828 ncm-dbt-05 583950 500 209 58 233 +108.3 ± 13.4 0 7 88 152 3 +236.51 ± 36.44
441827 ncm-dbt-03 584285 500 208 54 238 +110.6 ± 13.22 0 6 87 154 3 +243.0 ± 36.62
441826 ncm-dbt-02 587494 500 221 58 221 +117.55 ± 12.82 0 4 82 161 3 +263.42 ± 37.69
441825 ncm-dbt-01 582861 500 202 50 248 +109.07 ± 13.05 0 8 82 160 0 +245.2 ± 37.88
441824 ncm-dbt-04 566572 500 211 61 228 +107.54 ± 13.4 0 7 89 151 3 +234.38 ± 36.22
441823 ncm-dbt-05 578712 500 204 62 234 +101.46 ± 14.17 0 11 90 145 4 +215.85 ± 36.11
441822 ncm-dbt-03 583028 500 209 60 231 +106.77 ± 12.71 0 6 89 155 0 +238.66 ± 36.16
441821 ncm-dbt-01 578959 500 207 49 244 +113.68 ± 13.21 0 5 86 155 4 +249.64 ± 36.79
441820 ncm-dbt-02 585801 500 209 55 236 +110.6 ± 14.22 0 8 87 148 7 +234.38 ± 36.71
441819 ncm-dbt-04 567640 500 215 64 221 +108.3 ± 13.73 0 10 81 157 2 +238.66 ± 38.15
441818 ncm-dbt-05 585421 500 208 54 238 +110.6 ± 13.05 0 7 83 159 1 +247.41 ± 37.61
441817 ncm-dbt-01 584958 500 211 48 241 +117.55 ± 13.0 0 5 80 162 3 +263.42 ± 38.27
441816 ncm-dbt-02 583489 500 213 53 234 +115.22 ± 13.38 0 5 85 155 5 +251.89 ± 37.03
441815 ncm-dbt-04 567601 500 203 50 247 +109.83 ± 13.89 0 6 92 145 7 +232.26 ± 35.5
441814 ncm-dbt-03 584076 500 201 56 243 +103.73 ± 13.38 1 5 94 148 2 +228.08 ± 35.08
441813 ncm-dbt-05 583447 500 199 59 242 +99.95 ± 14.31 0 14 84 150 2 +215.85 ± 37.4
441812 ncm-dbt-03 586054 500 217 64 219 +109.83 ± 13.23 0 6 88 153 3 +240.82 ± 36.39
441811 ncm-dbt-04 567799 500 212 56 232 +112.14 ± 13.56 1 4 87 154 4 +247.41 ± 36.56
441810 ncm-dbt-01 585337 500 207 55 238 +109.07 ± 14.53 1 9 82 153 5 +236.51 ± 37.9
441809 ncm-dbt-02 586985 500 206 63 231 +102.22 ± 13.86 0 9 93 144 4 +217.85 ± 35.44
441808 ncm-dbt-05 583824 500 222 62 216 +115.22 ± 13.55 0 6 83 156 5 +251.89 ± 37.57
441807 ncm-dbt-03 585506 500 204 43 253 +116.0 ± 13.71 1 6 77 163 3 +261.07 ± 39.14
441806 ncm-dbt-04 568196 500 206 64 230 +101.46 ± 13.69 0 10 90 148 2 +219.87 ± 36.1
441805 ncm-dbt-01 580613 500 225 51 224 +126.17 ± 12.68 0 1 80 163 6 +282.94 ± 37.88
441804 ncm-dbt-02 586350 500 201 69 230 +93.95 ± 13.61 0 10 100 138 2 +200.24 ± 34.09
441803 ncm-dbt-01 584369 500 205 52 243 +109.83 ± 13.23 0 6 88 153 3 +240.82 ± 36.39
441802 ncm-dbt-03 588984 500 205 50 245 +111.37 ± 13.39 0 7 84 156 3 +245.2 ± 37.37
441801 ncm-dbt-04 569190 500 213 51 236 +116.77 ± 14.04 0 8 78 158 6 +254.16 ± 38.89
441800 ncm-dbt-02 588899 500 210 51 239 +114.45 ± 12.67 0 3 88 156 3 +254.16 ± 36.15
441799 ncm-dbt-05 597644 500 203 63 234 +99.95 ± 13.84 1 7 96 143 3 +215.85 ± 34.78

Commit

Commit ID 7ac8e6221979f14395bb63566e6ca43d803e2acb
Author Daniel Monroe
Date 2025-11-13 21:10:30 UTC
Refine constant in correction history update Passed STC LLR: 3.04 (-2.94,2.94) <0.00,2.00> Total: 250112 W: 65277 L: 64635 D: 120200 Ptnml(0-2): 841, 29326, 64134, 29860, 895 https://tests.stockfishchess.org/tests/view/69096c46ea4b268f1fac2a39 Passed LTC LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 142908 W: 37141 L: 36604 D: 69163 Ptnml(0-2): 100, 15478, 39742, 16053, 81 https://tests.stockfishchess.org/tests/view/690e7dfbec1d00d2c195c351 closes https://github.com/official-stockfish/Stockfish/pull/6405 bench 2613869
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