Dev Builds » 20251117-1300

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 06:46:46 580765 4016 1703 419 1894 +115.12 ± 4.58 0 43 658 1287 20 +257.3 ± 13.24
ncm-dbt-02 06:46:38 586093 4000 1707 421 1872 +115.81 ± 4.68 1 43 653 1275 28 +257.31 ± 13.29
ncm-dbt-03 06:46:57 585098 4014 1698 419 1897 +114.7 ± 4.88 1 66 626 1281 33 +252.64 ± 13.62
ncm-dbt-04 06:44:43 566885 4000 1695 400 1905 +116.68 ± 4.53 0 38 646 1299 17 +262.83 ± 13.35
ncm-dbt-05 06:47:06 584678 3970 1667 428 1875 +112.17 ± 4.7 1 51 660 1254 19 +249.15 ± 13.23
20000 8470 2087 9443 +114.9 ± 2.09 3 241 3243 6396 117 +255.81 ± 5.97

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
441346 ncm-dbt-03 586689 14 5 0 9 +129.72 ± 68.06 0 0 2 5 0 +311.09 ± 530.6
441345 ncm-dbt-01 580157 16 6 0 10 +136.89 ± 61.78 0 0 2 6 0 +337.87 ± 515.83
441344 ncm-dbt-05 582235 470 201 57 212 +109.98 ± 12.97 0 5 81 149 0 +247.84 ± 37.95
441343 ncm-dbt-02 585885 500 212 49 239 +117.55 ± 12.46 0 4 80 165 1 +268.17 ± 38.21
441342 ncm-dbt-04 569669 500 208 41 251 +120.67 ± 13.15 0 6 74 167 3 +273.0 ± 39.95
441341 ncm-dbt-01 581319 500 217 62 221 +111.37 ± 13.22 0 7 83 158 2 +247.41 ± 37.61
441340 ncm-dbt-03 585421 500 205 46 249 +114.45 ± 13.72 0 7 82 156 5 +249.64 ± 37.86
441339 ncm-dbt-05 583908 500 209 57 234 +109.07 ± 13.23 0 7 86 155 2 +240.82 ± 36.9
441338 ncm-dbt-02 585295 500 218 53 229 +119.11 ± 12.62 0 4 79 165 2 +270.57 ± 38.47
441337 ncm-dbt-04 569031 500 217 48 235 +122.24 ± 12.76 0 5 73 170 2 +280.42 ± 40.21
441336 ncm-dbt-01 579578 500 208 57 235 +108.3 ± 13.4 0 10 79 161 0 +243.0 ± 38.64
441335 ncm-dbt-03 586689 500 210 53 237 +112.91 ± 13.56 0 9 77 162 2 +251.89 ± 39.16
441334 ncm-dbt-05 582569 500 213 50 237 +117.55 ± 12.64 0 3 84 160 3 +263.42 ± 37.11
441333 ncm-dbt-02 585211 500 211 50 239 +116.0 ± 12.84 0 5 81 162 2 +261.07 ± 38.02
441332 ncm-dbt-04 565508 500 213 59 228 +110.6 ± 12.88 0 5 88 155 2 +245.2 ± 36.32
441331 ncm-dbt-01 580489 500 211 40 249 +123.81 ± 12.54 0 3 76 168 3 +282.94 ± 39.21
441330 ncm-dbt-03 585548 500 217 49 234 +121.45 ± 13.66 0 7 73 165 5 +270.57 ± 40.25
441329 ncm-dbt-05 583824 500 203 59 238 +102.97 ± 13.71 0 8 94 144 4 +219.87 ± 35.19
441328 ncm-dbt-02 586520 500 219 43 238 +127.76 ± 14.1 0 7 68 167 8 +282.94 ± 41.76
441327 ncm-dbt-04 563900 500 212 50 238 +116.77 ± 13.19 0 7 76 165 2 +263.42 ± 39.41
441326 ncm-dbt-03 584916 500 211 50 239 +116.0 ± 13.37 0 7 78 162 3 +258.75 ± 38.88
441325 ncm-dbt-01 581277 500 213 50 237 +117.55 ± 12.64 0 4 81 163 2 +265.78 ± 37.95
441324 ncm-dbt-05 583950 500 218 50 232 +121.46 ± 13.84 1 6 71 168 4 +275.45 ± 40.84
441323 ncm-dbt-02 585885 500 218 60 222 +113.68 ± 14.85 1 7 84 149 9 +240.82 ± 37.4
441322 ncm-dbt-04 565154 500 210 57 233 +109.83 ± 13.05 0 7 84 158 1 +245.2 ± 37.37
441321 ncm-dbt-03 583782 500 204 54 242 +107.54 ± 14.05 0 12 78 158 2 +236.51 ± 38.85
441320 ncm-dbt-01 582402 500 211 56 233 +111.37 ± 13.39 0 5 90 150 5 +240.82 ± 35.87
441319 ncm-dbt-05 586054 500 212 49 239 +117.55 ± 13.87 0 8 76 161 5 +258.75 ± 39.42
441318 ncm-dbt-02 587282 500 212 51 237 +116.0 ± 12.84 0 4 84 159 3 +258.75 ± 37.2
441317 ncm-dbt-04 567482 500 203 39 258 +118.33 ± 12.26 0 2 84 162 2 +268.17 ± 36.99
441316 ncm-dbt-03 581153 500 213 52 235 +116.0 ± 14.05 0 9 76 160 5 +254.16 ± 39.42
441315 ncm-dbt-01 583321 500 219 46 235 +125.38 ± 12.7 0 3 75 168 4 +285.49 ± 39.5
441314 ncm-dbt-04 565823 500 222 52 226 +123.02 ± 13.11 0 4 77 164 5 +275.45 ± 39.01
441313 ncm-dbt-02 584874 500 206 62 232 +102.97 ± 13.38 0 8 92 148 2 +223.94 ± 35.61
441312 ncm-dbt-03 585885 500 221 59 220 +116.77 ± 13.54 0 5 84 155 6 +254.16 ± 37.27
441311 ncm-dbt-05 581818 500 205 63 232 +101.46 ± 13.37 0 10 88 152 0 +223.94 ± 36.53
441310 ncm-dbt-01 581153 500 209 57 234 +109.07 ± 13.05 0 7 85 157 1 +243.0 ± 37.13
441309 ncm-dbt-04 568514 500 210 54 236 +112.14 ± 11.95 0 2 90 158 0 +254.16 ± 35.58
441308 ncm-dbt-02 587792 500 211 53 236 +113.68 ± 12.5 0 4 85 160 1 +256.44 ± 36.95
441307 ncm-dbt-05 593066 500 206 43 251 +117.55 ± 12.46 0 4 80 165 1 +268.17 ± 38.21
441306 ncm-dbt-01 577192 500 209 51 240 +113.68 ± 12.86 0 4 87 156 3 +251.89 ± 36.48
441305 ncm-dbt-03 585801 500 212 56 232 +112.14 ± 14.69 1 10 76 158 5 +245.2 ± 39.38

Commit

Commit ID 61149ac9ee59b1d2ea96f9a5a36fa5e74bcf5359
Author Joost VandeVondele
Date 2025-11-17 13:00:33 UTC
Update main net to nn-c0ae49f08b40.nnue Trained using the recipe https://github.com/vondele/nettest/blob/d39f72420504e474a716b9977c1380541a7b482e/threats.yaml fix CI check for negative evals. fix format passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 84032 W: 21876 L: 21490 D: 40666 Ptnml(0-2): 239, 9821, 21553, 10121, 282 https://tests.stockfishchess.org/tests/view/6914b81e7ca87818523318aa passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 126420 W: 32429 L: 31927 D: 62064 Ptnml(0-2): 56, 13748, 35118, 14214, 74 https://tests.stockfishchess.org/tests/view/6916c1277ca8781852331dd8 closes https://github.com/official-stockfish/Stockfish/pull/6431 Bench: 2513286
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