Dev Builds » 20251113-2132

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 06:44:32 581751 3996 1693 428 1875 +113.9 ± 4.72 1 47 665 1256 29 +251.4 ± 13.18
ncm-dbt-02 06:42:41 586162 4000 1715 402 1883 +118.43 ± 4.66 2 37 637 1294 30 +264.89 ± 13.46
ncm-dbt-03 06:44:42 585438 4004 1709 431 1864 +114.91 ± 4.65 0 42 669 1262 29 +254.09 ± 13.12
ncm-dbt-04 06:44:47 566767 4000 1694 387 1919 +117.85 ± 4.7 1 49 617 1308 25 +264.3 ± 13.71
ncm-dbt-05 06:46:22 583531 4000 1698 445 1857 +112.62 ± 4.61 0 39 694 1242 25 +248.53 ± 12.85
20000 8509 2093 9398 +115.54 ± 2.09 4 214 3282 6362 138 +256.56 ± 5.92

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
441580 ncm-dbt-03 585126 4 0 0 4 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22
441579 ncm-dbt-05 585000 500 224 62 214 +116.77 ± 14.04 0 7 81 155 7 +251.89 ± 38.11
441578 ncm-dbt-01 580613 496 205 46 245 +115.44 ± 14.29 0 9 77 156 6 +250.17 ± 39.15
441577 ncm-dbt-03 584832 500 220 69 211 +108.3 ± 12.35 0 3 94 152 1 +240.82 ± 34.82
441576 ncm-dbt-04 563587 500 216 42 242 +126.17 ± 12.3 0 3 72 173 2 +293.29 ± 40.39
441575 ncm-dbt-02 586266 500 218 54 228 +118.33 ± 14.2 1 6 77 160 6 +261.07 ± 39.14
441574 ncm-dbt-05 584034 500 211 49 240 +116.77 ± 12.65 0 5 79 165 1 +265.78 ± 38.54
441573 ncm-dbt-03 585464 500 211 56 233 +111.37 ± 13.56 0 7 85 154 4 +243.0 ± 37.13
441572 ncm-dbt-01 581777 500 207 55 238 +109.07 ± 13.23 0 8 83 158 1 +243.0 ± 37.64
441571 ncm-dbt-04 565587 500 208 57 235 +108.3 ± 13.23 0 7 87 154 2 +238.66 ± 36.67
441570 ncm-dbt-02 587579 500 212 49 239 +117.55 ± 13.0 0 6 77 165 2 +265.78 ± 39.12
441569 ncm-dbt-05 582819 500 210 58 232 +109.07 ± 12.7 0 4 92 152 2 +240.82 ± 35.35
441568 ncm-dbt-03 583572 500 216 55 229 +116.0 ± 14.05 0 6 85 151 8 +247.41 ± 37.09
441567 ncm-dbt-01 582485 500 210 63 227 +105.25 ± 13.39 0 7 92 148 3 +228.08 ± 35.56
441566 ncm-dbt-04 569909 500 215 46 239 +122.24 ± 13.12 0 5 75 166 4 +275.45 ± 39.63
441565 ncm-dbt-02 583363 500 220 49 231 +123.81 ± 13.1 0 6 70 171 3 +282.94 ± 41.13
441260 ncm-dbt-05 576782 500 209 56 235 +109.83 ± 12.7 0 4 91 153 2 +243.0 ± 35.57
441259 ncm-dbt-04 566691 500 211 42 247 +122.24 ± 12.76 0 5 73 170 2 +280.42 ± 40.21
441258 ncm-dbt-03 587325 500 210 42 248 +121.45 ± 13.66 0 6 76 162 6 +268.17 ± 39.39
441257 ncm-dbt-02 587028 500 206 46 248 +115.23 ± 12.85 1 3 82 163 1 +263.42 ± 37.69
441256 ncm-dbt-01 582110 500 218 51 231 +120.67 ± 13.15 0 4 80 161 5 +268.17 ± 38.21
441255 ncm-dbt-05 579785 500 206 53 241 +109.83 ± 13.89 0 9 83 154 4 +238.66 ± 37.66
441254 ncm-dbt-03 583908 500 211 48 241 +117.55 ± 13.18 0 6 78 163 3 +263.42 ± 38.85
441253 ncm-dbt-04 568275 500 218 47 235 +123.81 ± 13.28 0 4 77 163 6 +275.45 ± 39.01
441252 ncm-dbt-01 582402 500 222 60 218 +116.77 ± 13.88 0 6 83 154 7 +251.89 ± 37.57
441251 ncm-dbt-02 585843 500 213 56 231 +112.91 ± 13.04 0 4 89 153 4 +247.41 ± 36.02
441250 ncm-dbt-05 581902 500 221 49 230 +124.6 ± 12.53 0 2 78 166 4 +282.94 ± 38.55
441249 ncm-dbt-03 585211 500 217 55 228 +116.77 ± 13.54 0 7 78 161 4 +258.75 ± 38.88
441248 ncm-dbt-04 567958 500 209 42 249 +120.67 ± 12.6 0 4 77 167 2 +275.45 ± 39.01
441247 ncm-dbt-01 581277 500 202 43 255 +114.45 ± 12.85 0 7 77 166 0 +261.07 ± 39.14
441246 ncm-dbt-02 585843 500 214 54 232 +115.22 ± 12.85 0 3 88 155 4 +254.16 ± 36.15
441245 ncm-dbt-05 581818 500 201 59 240 +101.46 ± 13.2 0 6 99 142 3 +217.85 ± 34.06
441244 ncm-dbt-03 585843 500 209 54 237 +111.37 ± 12.69 0 5 86 158 1 +249.64 ± 36.79
441243 ncm-dbt-01 581236 500 225 59 216 +119.89 ± 12.61 0 3 81 163 3 +270.57 ± 37.86
441242 ncm-dbt-04 564017 500 207 59 234 +106.01 ± 13.72 0 10 84 154 2 +232.26 ± 37.43
441241 ncm-dbt-02 586520 500 215 41 244 +126.17 ± 12.87 0 4 72 170 4 +288.06 ± 40.46
441240 ncm-dbt-05 596110 500 216 59 225 +112.91 ± 12.32 0 2 91 155 2 +251.89 ± 35.35
441239 ncm-dbt-02 586858 500 217 53 230 +118.33 ± 13.52 0 5 82 157 6 +258.75 ± 37.76
441238 ncm-dbt-01 582110 500 204 51 245 +109.83 ± 13.39 1 3 92 150 4 +240.82 ± 35.35
441237 ncm-dbt-04 568116 500 210 52 238 +113.68 ± 14.85 1 11 72 161 5 +249.64 ± 40.41
441236 ncm-dbt-03 587664 500 215 52 233 +117.55 ± 12.27 0 2 85 161 2 +265.78 ± 36.75

Commit

Commit ID 55643baa3f6be3265598fba7c7e8b308fe6ccbcf
Author Didier Durand
Date 2025-11-13 21:32:12 UTC
Fix some doc typos closes https://github.com/official-stockfish/Stockfish/pull/6400 No functional change
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