Dev Builds » 20260504-0632

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 06:38:34 581016 4000 1777 318 1905 +132.84 ± 4.38 0 28 508 1441 23 +313.91 ± 15.11
ncm-dbt-02 06:40:41 585644 3998 1770 297 1931 +134.32 ± 4.39 0 20 520 1425 34 +315.25 ± 14.91
ncm-dbt-03 06:40:17 584755 4010 1768 319 1923 +131.48 ± 4.37 0 23 536 1420 26 +308.05 ± 14.68
ncm-dbt-04 06:40:38 566679 3998 1799 312 1887 +135.73 ± 4.3 0 21 495 1458 25 +323.69 ± 15.3
ncm-dbt-05 06:40:50 581977 3994 1769 335 1890 +130.56 ± 4.51 1 23 551 1385 37 +301.37 ± 14.48
20000 8883 1581 9536 +132.98 ± 1.96 1 115 2610 7129 145 +312.34 ± 6.65

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
467650 ncm-dbt-03 582861 10 4 0 6 +147.05 ± 74.68 0 0 1 4 0 +381.35 ± 516.06
467649 ncm-dbt-05 580862 494 221 38 235 +135.13 ± 12.11 0 1 66 176 4 +318.76 ± 42.1
467648 ncm-dbt-04 567720 498 224 59 215 +119.63 ± 12.83 0 4 79 163 3 +269.73 ± 38.47
467647 ncm-dbt-02 586181 498 215 34 249 +132.32 ± 12.36 0 3 65 178 3 +311.67 ± 42.67
467646 ncm-dbt-01 575843 500 222 40 238 +132.54 ± 12.12 0 2 67 178 3 +312.48 ± 41.9
467645 ncm-dbt-03 583531 500 224 34 242 +138.99 ± 12.3 0 3 58 185 4 +333.32 ± 45.35
467644 ncm-dbt-05 582068 500 210 32 258 +129.35 ± 12.99 0 5 66 175 4 +298.62 ± 42.41
467643 ncm-dbt-02 585211 500 206 35 259 +123.81 ± 11.96 0 3 73 174 0 +290.66 ± 40.08
467642 ncm-dbt-04 562729 500 226 33 241 +141.44 ± 12.41 0 4 53 189 4 +342.85 ± 47.56
467641 ncm-dbt-01 582068 500 219 48 233 +123.81 ± 12.92 0 5 72 170 3 +282.94 ± 40.5
467640 ncm-dbt-03 584034 500 223 46 231 +128.55 ± 13.19 0 4 71 169 6 +290.66 ± 40.76
467639 ncm-dbt-02 585885 500 216 38 246 +129.35 ± 12.61 0 4 67 176 3 +301.33 ± 42.04
467638 ncm-dbt-05 580282 500 225 44 231 +131.74 ± 13.12 0 3 70 170 7 +298.62 ± 41.01
467637 ncm-dbt-04 568116 500 219 39 242 +130.94 ± 11.96 0 2 68 178 2 +309.64 ± 41.56
467636 ncm-dbt-03 585885 500 229 40 231 +138.18 ± 13.12 0 4 60 179 7 +321.19 ± 44.57
467635 ncm-dbt-01 583656 500 216 39 245 +128.55 ± 13.56 0 7 64 174 5 +293.29 ± 43.07
467634 ncm-dbt-02 584706 500 222 43 235 +130.14 ± 12.59 0 4 66 177 3 +304.07 ± 42.38
467633 ncm-dbt-04 569071 500 223 47 230 +127.76 ± 11.65 0 1 73 175 1 +301.33 ± 39.86
467632 ncm-dbt-05 583447 500 218 41 241 +128.55 ± 12.43 0 4 67 177 2 +301.33 ± 42.04
467631 ncm-dbt-01 582485 500 214 30 256 +134.15 ± 11.86 0 3 61 185 1 +324.17 ± 44.15
467630 ncm-dbt-03 583782 500 229 44 227 +134.95 ± 12.04 0 2 64 181 3 +321.19 ± 42.95
467629 ncm-dbt-04 566375 500 220 27 253 +141.44 ± 11.98 0 2 57 187 4 +342.85 ± 45.71
467628 ncm-dbt-02 583992 500 232 34 234 +145.54 ± 12.85 0 2 57 182 9 +342.85 ± 45.71
467627 ncm-dbt-05 580572 500 222 42 236 +130.94 ± 11.55 0 1 69 179 1 +312.48 ± 41.11
467626 ncm-dbt-01 580696 500 223 42 235 +131.74 ± 11.94 0 3 64 182 1 +315.35 ± 43.03
467625 ncm-dbt-03 587240 500 221 35 244 +135.76 ± 11.36 0 2 60 188 0 +333.32 ± 44.47
467624 ncm-dbt-02 586393 500 225 37 238 +137.37 ± 12.76 0 2 65 176 7 +318.25 ± 42.59
467623 ncm-dbt-05 582402 500 228 42 230 +135.76 ± 13.39 0 3 67 171 9 +306.84 ± 41.99
467622 ncm-dbt-04 568991 500 233 40 227 +141.44 ± 12.2 0 4 52 191 3 +346.12 ± 48.03
467621 ncm-dbt-01 577151 500 238 40 222 +145.54 ± 12.01 0 2 53 190 5 +356.21 ± 47.52
467620 ncm-dbt-03 586308 500 225 42 233 +133.34 ± 11.67 0 1 67 180 2 +318.25 ± 41.77
467619 ncm-dbt-02 586139 500 227 44 229 +133.34 ± 12.09 0 1 69 176 4 +312.48 ± 41.11
467618 ncm-dbt-04 566336 500 227 27 246 +147.19 ± 11.7 0 2 50 194 4 +366.78 ± 49.02
467617 ncm-dbt-01 584958 500 222 49 229 +125.38 ± 12.7 0 4 72 171 3 +288.06 ± 40.46
467616 ncm-dbt-05 584495 500 226 51 223 +126.97 ± 13.76 1 4 70 169 6 +288.06 ± 41.11
467615 ncm-dbt-03 584706 500 211 39 250 +124.6 ± 11.94 0 2 75 172 1 +290.66 ± 39.4
467614 ncm-dbt-01 581277 500 223 30 247 +141.44 ± 11.55 0 2 55 191 2 +349.43 ± 46.59
467613 ncm-dbt-04 564096 500 227 40 233 +136.56 ± 12.18 0 2 63 181 4 +324.17 ± 43.32
467612 ncm-dbt-02 586646 500 227 32 241 +143.07 ± 11.91 0 1 58 186 5 +346.12 ± 45.18
467611 ncm-dbt-05 581693 500 219 45 236 +126.17 ± 12.49 0 2 76 168 4 +288.06 ± 39.11
467610 ncm-dbt-03 584453 500 202 39 259 +117.55 ± 13.0 0 5 80 162 3 +263.42 ± 38.27

Commit

Commit ID fe1d2b456c9c94b39b2b32a906ace718e8b5ae7d
Author anematode
Date 2026-05-04 06:32:03 UTC
Update CI Binaries - split into multiple jobs - remove binaries which are already covered by the universal binary superseeds https://github.com/official-stockfish/Stockfish/pull/6779 closes https://github.com/official-stockfish/Stockfish/pull/6794 No functional change Co-authored-by: Disservin <disservin.social@gmail.com>
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