Dev Builds » 20251130-2058

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 06:46:08 581121 4002 1709 369 1924 +121.0 ± 4.62 1 36 616 1318 30 +272.5 ± 13.69
ncm-dbt-02 06:44:20 585985 4000 1693 387 1920 +117.75 ± 4.55 1 36 638 1306 19 +265.78 ± 13.44
ncm-dbt-03 06:45:57 584792 4000 1704 426 1870 +115.03 ± 4.72 0 42 675 1246 37 +252.17 ± 13.06
ncm-dbt-04 06:45:04 567948 4000 1721 394 1885 +119.79 ± 4.55 0 37 622 1318 23 +270.57 ± 13.62
ncm-dbt-05 06:46:15 584438 3998 1713 418 1867 +116.74 ± 4.59 0 42 641 1295 21 +261.84 ± 13.42
20000 8540 1994 9466 +118.06 ± 2.06 2 193 3192 6483 130 +264.48 ± 6.01

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
443371 ncm-dbt-01 582778 2 0 0 2 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
443370 ncm-dbt-03 583447 500 207 65 228 +101.46 ± 13.2 0 6 99 142 3 +217.85 ± 34.06
443369 ncm-dbt-05 580365 498 220 58 220 +117.28 ± 13.22 0 4 84 156 5 +257.9 ± 37.19
443368 ncm-dbt-02 586139 500 205 45 250 +115.23 ± 13.72 1 6 78 162 3 +258.75 ± 38.88
443367 ncm-dbt-04 567205 500 211 56 233 +111.37 ± 13.22 0 5 89 152 4 +243.0 ± 36.1
443366 ncm-dbt-01 583237 500 210 34 256 +127.76 ± 13.21 0 5 69 171 5 +290.66 ± 41.43
443365 ncm-dbt-05 583572 500 213 51 236 +116.77 ± 12.09 0 2 85 162 1 +265.78 ± 36.75
443364 ncm-dbt-03 583698 500 208 51 241 +112.91 ± 13.39 0 4 91 149 6 +243.0 ± 35.57
443363 ncm-dbt-02 585548 500 211 44 245 +120.67 ± 11.83 0 0 85 163 2 +275.45 ± 36.45
443362 ncm-dbt-04 568355 500 219 52 229 +120.67 ± 13.5 0 7 73 166 4 +270.57 ± 40.25
443361 ncm-dbt-01 581902 500 206 51 243 +111.37 ± 12.87 0 5 87 156 2 +247.41 ± 36.56
443360 ncm-dbt-05 585084 500 216 51 233 +119.11 ± 12.24 0 3 80 166 1 +273.0 ± 38.12
443359 ncm-dbt-03 584874 500 215 55 230 +115.22 ± 12.67 0 5 81 163 1 +261.07 ± 38.02
443358 ncm-dbt-02 585632 500 213 49 238 +118.33 ± 13.52 0 8 73 166 3 +265.78 ± 40.25
443357 ncm-dbt-04 568116 500 219 39 242 +130.94 ± 12.17 0 2 69 176 3 +306.84 ± 41.23
443356 ncm-dbt-01 582861 500 211 39 250 +124.6 ± 12.71 0 4 73 170 3 +285.49 ± 40.16
443355 ncm-dbt-05 582152 500 209 57 234 +109.07 ± 12.88 0 5 90 153 2 +240.82 ± 35.87
443354 ncm-dbt-04 569430 500 206 55 239 +108.3 ± 13.06 0 6 89 153 2 +238.66 ± 36.16
443353 ncm-dbt-03 587452 500 215 56 229 +114.45 ± 13.03 0 6 81 161 2 +256.44 ± 38.07
443352 ncm-dbt-02 584495 500 217 40 243 +128.55 ± 12.43 0 4 67 177 2 +301.33 ± 42.04
443351 ncm-dbt-01 580904 500 218 63 219 +111.37 ± 14.22 1 7 83 154 5 +243.0 ± 37.64
443350 ncm-dbt-04 567363 500 216 51 233 +119.11 ± 12.99 0 6 75 167 2 +270.57 ± 39.67
443349 ncm-dbt-01 580199 500 219 55 226 +118.33 ± 12.63 0 4 80 164 2 +268.17 ± 38.21
443348 ncm-dbt-05 587409 500 217 46 237 +123.81 ± 12.16 0 3 74 172 1 +288.06 ± 39.79
443347 ncm-dbt-03 582903 500 216 44 240 +124.6 ± 13.09 0 3 78 163 6 +277.93 ± 38.66
443346 ncm-dbt-02 587834 500 208 49 243 +114.45 ± 13.03 0 5 84 158 3 +254.16 ± 37.27
443345 ncm-dbt-02 589668 500 207 46 247 +116.0 ± 13.2 0 5 83 158 4 +256.44 ± 37.51
443344 ncm-dbt-05 576987 500 213 53 234 +115.22 ± 13.72 0 9 75 163 3 +256.44 ± 39.69
443343 ncm-dbt-04 567839 500 217 50 233 +120.67 ± 12.41 0 5 73 172 0 +280.42 ± 40.21
443342 ncm-dbt-03 585548 500 218 47 235 +123.81 ± 13.98 0 6 75 161 8 +270.57 ± 39.67
443341 ncm-dbt-01 574865 500 215 37 248 +129.35 ± 12.01 0 2 70 176 2 +304.07 ± 40.91
443340 ncm-dbt-02 584159 500 213 61 226 +109.07 ± 12.53 0 4 91 154 1 +243.0 ± 35.57
443339 ncm-dbt-05 579909 500 216 55 229 +116.0 ± 14.21 0 10 74 161 5 +254.16 ± 39.94
443338 ncm-dbt-03 585042 500 207 50 243 +112.91 ± 13.73 0 8 81 157 4 +247.41 ± 38.13
443337 ncm-dbt-01 582444 500 216 56 228 +115.22 ± 13.2 0 6 81 160 3 +256.44 ± 38.07
443336 ncm-dbt-04 567918 500 212 44 244 +121.45 ± 13.84 0 5 80 157 8 +263.42 ± 38.27
443335 ncm-dbt-02 584411 500 219 53 228 +119.89 ± 12.42 0 4 77 168 1 +275.45 ± 39.01
443334 ncm-dbt-03 585379 500 218 58 224 +115.22 ± 13.55 0 4 89 150 7 +247.41 ± 36.02
443333 ncm-dbt-05 600026 500 209 47 244 +116.77 ± 13.19 0 6 79 162 3 +261.07 ± 38.58
443332 ncm-dbt-01 580904 500 214 34 252 +130.94 ± 13.32 0 3 72 167 8 +293.29 ± 40.39
443331 ncm-dbt-04 567363 500 221 47 232 +126.18 ± 11.49 0 1 74 175 0 +298.62 ± 39.56

Commit

Commit ID 74303ca7f9ccba952c1937e2b9e09a341c6c0c34
Author KazApps
Date 2025-11-30 20:58:35 UTC
Update AUTHORS (KazApps) closes https://github.com/official-stockfish/Stockfish/pull/6454 No functional change
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