Dev Builds » 20250802-1352

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 07:14:01 583216 4302 1787 477 2038 +109.26 ± 4.44 0 49 762 1321 19 +240.92 ± 12.27
ncm-dbt-02 06:24:10 585334 3796 1554 424 1818 +106.65 ± 4.83 1 54 673 1154 16 +234.09 ± 13.09
ncm-dbt-03 07:14:42 583412 4302 1781 498 2023 +106.86 ± 4.68 2 72 744 1307 26 +232.96 ± 12.48
ncm-dbt-04 06:25:07 568941 3798 1564 429 1805 +107.1 ± 4.77 0 52 673 1161 13 +235.89 ± 13.09
ncm-dbt-05 06:25:45 577853 3802 1554 429 1819 +105.97 ± 4.84 2 55 673 1158 13 +233.33 ± 13.1
20000 8240 2257 9503 +107.21 ± 2.11 5 282 3525 6101 87 +235.5 ± 5.72

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
425748 ncm-dbt-02 586223 296 118 27 151 +110.38 ± 17.45 0 4 51 91 2 +241.56 ± 48.16
425747 ncm-dbt-04 568077 298 122 35 141 +104.47 ± 16.63 0 4 54 91 0 +232.21 ± 46.66
425746 ncm-dbt-05 575680 302 121 35 146 +101.75 ± 17.2 0 6 53 92 0 +224.73 ± 47.3
425745 ncm-dbt-01 584706 302 122 36 144 +101.75 ± 17.55 0 6 54 90 1 +221.35 ± 46.83
425744 ncm-dbt-03 584495 302 122 28 152 +111.85 ± 16.86 0 3 53 93 2 +245.9 ± 47.05
425485 ncm-dbt-03 581444 500 204 64 232 +99.95 ± 13.84 1 8 93 146 2 +217.85 ± 35.44
425484 ncm-dbt-01 582819 500 202 53 245 +106.77 ± 12.17 0 2 98 149 1 +236.51 ± 33.87
425483 ncm-dbt-05 581652 500 202 65 233 +97.69 ± 13.82 1 10 90 149 0 +215.85 ± 36.11
425482 ncm-dbt-04 568991 500 209 52 239 +112.91 ± 12.5 0 5 83 162 0 +256.44 ± 37.51
425481 ncm-dbt-02 584537 500 203 51 246 +109.07 ± 12.53 0 3 94 151 2 +240.82 ± 34.82
425480 ncm-dbt-03 586139 500 205 51 244 +110.6 ± 13.22 0 6 87 154 3 +243.0 ± 36.62
425479 ncm-dbt-01 583196 500 201 60 239 +100.7 ± 13.03 0 6 99 143 2 +217.85 ± 34.06
425478 ncm-dbt-05 574500 500 205 52 243 +109.83 ± 13.39 1 6 83 159 1 +247.41 ± 37.61
425477 ncm-dbt-04 569949 500 200 64 236 +96.94 ± 14.27 0 13 91 143 3 +206.01 ± 35.92
425476 ncm-dbt-02 585548 500 198 50 252 +106.01 ± 13.05 0 8 86 156 0 +236.51 ± 36.93
425475 ncm-dbt-01 581194 500 202 57 241 +103.73 ± 12.7 0 5 96 148 1 +228.08 ± 34.59
425474 ncm-dbt-03 579166 500 210 59 231 +108.3 ± 14.21 0 10 84 151 5 +232.26 ± 37.43
425473 ncm-dbt-05 580613 500 204 54 242 +107.54 ± 13.73 0 9 85 153 3 +234.38 ± 37.19
425472 ncm-dbt-04 570188 500 200 53 247 +105.25 ± 12.71 0 5 94 150 1 +232.26 ± 35.0
425471 ncm-dbt-02 583321 500 211 50 239 +116.0 ± 14.21 1 9 71 166 3 +261.07 ± 40.78
425470 ncm-dbt-01 581319 500 208 40 252 +121.45 ± 12.4 0 4 75 170 1 +280.42 ± 39.57
425469 ncm-dbt-03 581652 500 210 56 234 +110.6 ± 13.22 0 6 87 154 3 +243.0 ± 36.62
425468 ncm-dbt-05 576251 500 209 64 227 +103.73 ± 12.53 0 5 95 150 0 +230.16 ± 34.79
425467 ncm-dbt-04 568116 500 199 64 237 +96.19 ± 12.99 0 5 108 134 3 +204.07 ± 32.28
425466 ncm-dbt-02 585169 500 208 69 223 +99.2 ± 13.02 0 7 98 144 1 +215.85 ± 34.33
425465 ncm-dbt-01 583405 500 213 63 224 +107.54 ± 13.89 0 9 86 151 4 +232.26 ± 36.96
425464 ncm-dbt-03 583782 500 207 57 236 +107.54 ± 13.73 0 10 82 156 2 +236.51 ± 37.9
425463 ncm-dbt-05 575924 500 205 62 233 +102.22 ± 13.54 0 8 94 145 3 +219.87 ± 35.19
425462 ncm-dbt-04 566414 500 210 53 237 +112.91 ± 12.32 0 3 88 158 1 +254.16 ± 36.15
425461 ncm-dbt-02 585885 500 207 61 232 +104.49 ± 13.05 0 6 94 148 2 +228.08 ± 35.08
425460 ncm-dbt-01 584537 500 211 60 229 +108.3 ± 12.53 0 4 92 153 1 +240.82 ± 35.35
425459 ncm-dbt-03 584622 500 202 59 239 +102.22 ± 14.48 0 12 88 145 5 +215.85 ± 36.55
425458 ncm-dbt-05 579785 500 198 47 255 +108.3 ± 13.06 0 5 92 150 3 +236.51 ± 35.43
425457 ncm-dbt-04 567640 500 217 52 231 +119.11 ± 12.99 0 5 78 164 3 +268.17 ± 38.8
425456 ncm-dbt-02 584117 500 208 60 232 +106.01 ± 13.22 0 8 87 154 1 +234.38 ± 36.71
425455 ncm-dbt-01 583154 500 215 61 224 +110.6 ± 14.22 0 9 84 151 6 +236.51 ± 37.42
425454 ncm-dbt-03 585464 500 208 61 231 +105.25 ± 13.56 0 8 90 149 3 +228.08 ± 36.04
425453 ncm-dbt-05 578424 500 210 50 240 +115.22 ± 13.2 0 6 81 160 3 +256.44 ± 38.07
425452 ncm-dbt-02 587877 500 201 56 243 +103.73 ± 14.03 0 9 92 144 5 +219.87 ± 35.65
425451 ncm-dbt-01 584622 500 213 47 240 +119.89 ± 12.61 0 4 78 166 2 +273.0 ± 38.74
425450 ncm-dbt-03 583950 500 213 63 224 +107.54 ± 13.89 1 9 80 159 1 +240.82 ± 38.39
425449 ncm-dbt-04 572155 500 207 56 237 +108.3 ± 14.05 0 12 77 159 2 +238.66 ± 39.1

Commit

Commit ID 32cb78d782b5918fb658622a2690ba871dc5bb06
Author MinetaS
Date 2025-08-02 13:52:24 UTC
Increase CI timeouts for perft might fix CI failures on macOS instances closes https://github.com/official-stockfish/Stockfish/pull/6194 No functional change
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