Dev Builds » 20260110-1436

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 06:44:54 582311 4000 1700 373 1927 +119.79 ± 4.51 0 32 631 1315 22 +270.87 ± 13.5
ncm-dbt-02 06:42:17 586854 4000 1755 370 1875 +125.49 ± 4.64 0 41 567 1358 34 +285.17 ± 14.3
ncm-dbt-03 06:44:05 585394 4000 1735 414 1851 +119.21 ± 4.64 1 38 629 1303 29 +267.27 ± 13.55
ncm-dbt-04 06:44:33 566756 4000 1728 387 1885 +121.16 ± 4.63 0 42 603 1327 28 +273.31 ± 13.86
ncm-dbt-05 06:43:19 581589 4000 1739 354 1907 +125.49 ± 4.46 0 31 575 1372 22 +289.03 ± 14.18
20000 8657 1898 9445 +122.22 ± 2.05 1 184 3005 6675 135 +277.0 ± 6.2

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
449808 ncm-dbt-05 580282 500 218 46 236 +124.6 ± 13.27 0 7 67 173 3 +285.49 ± 42.08
449807 ncm-dbt-02 587155 500 223 46 231 +128.55 ± 12.82 0 5 66 176 3 +298.62 ± 42.41
449806 ncm-dbt-04 563900 500 208 47 245 +116.0 ± 13.2 0 6 80 161 3 +258.75 ± 38.32
449805 ncm-dbt-03 585000 500 219 55 226 +118.33 ± 13.0 0 4 82 160 4 +263.42 ± 37.69
449804 ncm-dbt-01 581402 500 214 45 241 +122.24 ± 12.57 0 4 75 169 2 +280.42 ± 39.57
449803 ncm-dbt-02 585717 500 218 41 241 +128.55 ± 12.04 0 1 74 172 3 +298.62 ± 39.56
449802 ncm-dbt-05 580738 500 217 48 235 +122.24 ± 12.94 0 4 77 165 4 +275.45 ± 39.01
449801 ncm-dbt-03 583237 500 222 58 220 +118.33 ± 13.0 0 5 79 163 3 +265.78 ± 38.54
449800 ncm-dbt-01 580406 500 217 50 233 +120.67 ± 12.41 0 4 76 169 1 +277.93 ± 39.29
449799 ncm-dbt-04 566849 500 216 56 228 +115.22 ± 13.88 0 10 73 164 3 +256.44 ± 40.21
449798 ncm-dbt-02 585337 500 209 42 249 +120.67 ± 13.84 0 8 72 165 5 +268.17 ± 40.54
449797 ncm-dbt-05 582068 500 216 40 244 +127.76 ± 13.02 0 5 68 173 4 +293.29 ± 41.75
449796 ncm-dbt-01 584537 500 210 45 245 +119.11 ± 13.52 0 6 78 161 5 +263.42 ± 38.85
449795 ncm-dbt-03 584664 500 209 50 241 +114.45 ± 13.38 0 8 77 163 2 +256.44 ± 39.15
449794 ncm-dbt-04 566138 500 220 49 231 +123.81 ± 13.28 0 6 71 169 4 +280.42 ± 40.83
449707 ncm-dbt-04 567363 500 220 42 238 +129.35 ± 12.99 0 4 69 172 5 +295.94 ± 41.39
449706 ncm-dbt-01 584076 500 209 42 249 +120.67 ± 12.6 0 5 74 170 1 +277.93 ± 39.92
449705 ncm-dbt-03 584579 500 215 57 228 +113.68 ± 12.86 0 4 87 156 3 +251.89 ± 36.48
449704 ncm-dbt-05 580696 500 221 38 241 +133.34 ± 11.88 0 3 62 184 1 +321.19 ± 43.77
449703 ncm-dbt-02 587367 500 220 43 237 +128.55 ± 13.73 0 8 62 175 5 +293.29 ± 43.72
449702 ncm-dbt-04 567442 500 213 49 238 +118.33 ± 13.17 0 4 83 158 5 +261.07 ± 37.44
449701 ncm-dbt-01 583112 500 210 54 236 +112.14 ± 12.14 0 3 88 159 0 +254.16 ± 36.15
449700 ncm-dbt-05 581569 500 216 51 233 +119.11 ± 12.62 0 4 79 165 2 +270.57 ± 38.47
449699 ncm-dbt-03 585084 500 209 45 246 +118.33 ± 13.86 1 5 78 161 5 +263.42 ± 38.85
449698 ncm-dbt-02 587749 500 223 50 227 +125.38 ± 12.51 0 4 71 173 2 +290.66 ± 40.76
449697 ncm-dbt-04 569190 500 219 47 234 +124.6 ± 13.09 0 5 72 169 4 +282.94 ± 40.5
449696 ncm-dbt-01 583070 500 220 47 233 +125.38 ± 12.7 0 4 72 171 3 +288.06 ± 40.46
449695 ncm-dbt-05 578836 500 223 49 228 +126.17 ± 13.42 0 5 72 167 6 +282.94 ± 40.5
449694 ncm-dbt-03 585548 500 216 54 230 +116.77 ± 12.65 0 4 82 162 2 +263.42 ± 37.69
449693 ncm-dbt-02 586393 500 219 41 240 +129.35 ± 12.41 0 4 66 178 2 +304.07 ± 42.38
449692 ncm-dbt-05 579413 500 212 39 249 +125.38 ± 12.12 0 3 72 174 1 +293.29 ± 40.39
449691 ncm-dbt-04 564057 500 214 52 234 +116.77 ± 12.65 0 5 79 165 1 +265.78 ± 38.54
449690 ncm-dbt-01 580406 500 218 47 235 +123.81 ± 12.73 0 1 83 160 6 +275.45 ± 37.11
449689 ncm-dbt-02 587282 500 218 49 233 +122.24 ± 13.48 0 5 77 162 6 +270.57 ± 39.07
449688 ncm-dbt-03 585337 500 230 42 228 +137.37 ± 13.53 0 5 60 177 8 +315.35 ± 44.57
449687 ncm-dbt-05 589112 500 216 43 241 +125.38 ± 11.51 0 0 78 171 1 +293.28 ± 38.26
449686 ncm-dbt-02 587834 500 225 58 217 +120.67 ± 14.01 0 6 79 157 8 +261.07 ± 38.58
449685 ncm-dbt-04 569111 500 218 45 237 +125.38 ± 12.32 0 2 76 169 3 +288.06 ± 39.11
449684 ncm-dbt-01 581485 500 202 43 255 +114.45 ± 13.21 0 5 85 156 4 +251.89 ± 37.03
449683 ncm-dbt-03 589710 500 215 53 232 +116.77 ± 12.47 0 3 84 161 2 +263.42 ± 37.11

Commit

Commit ID 1928ef9571a5c742c8ebf82a144d3a0401f59d82
Author Disservin
Date 2026-01-10 14:36:52 UTC
Compiler Check Compiles and Runs Stockfish on all supported gcc & clang compilers. Only linux and avx2 currently. closes https://github.com/official-stockfish/Stockfish/pull/6533 No functional change
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