Dev Builds » 20251130-2058

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 06:45:23 582284 4000 1713 396 1891 +118.82 ± 4.69 1 46 616 1309 28 +266.38 ± 13.71
ncm-dbt-02 06:46:19 585605 4002 1678 418 1906 +113.23 ± 4.64 1 48 659 1276 17 +252.85 ± 13.24
ncm-dbt-03 06:45:39 585288 4000 1725 436 1839 +116.1 ± 4.61 1 40 650 1287 22 +259.91 ± 13.32
ncm-dbt-04 06:44:50 567591 4000 1724 370 1906 +122.44 ± 4.52 0 28 620 1322 30 +276.69 ± 13.62
ncm-dbt-05 06:47:17 582310 3998 1705 392 1901 +118.49 ± 4.67 0 41 637 1288 33 +263.61 ± 13.46
20000 8545 2012 9443 +117.81 ± 2.07 3 203 3182 6482 130 +263.77 ± 6.02

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
443626 ncm-dbt-02 584664 2 1 1 0 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
443625 ncm-dbt-05 583782 498 217 51 230 +120.41 ± 14.22 0 9 71 163 6 +264.93 ± 40.81
443624 ncm-dbt-01 581319 500 205 51 244 +110.6 ± 13.89 0 9 82 155 4 +240.82 ± 37.9
443623 ncm-dbt-03 587113 500 219 50 231 +122.24 ± 12.19 0 2 79 167 2 +280.42 ± 38.28
443622 ncm-dbt-04 569151 500 217 49 234 +121.45 ± 13.66 0 6 76 162 6 +268.17 ± 39.39
443621 ncm-dbt-02 585759 500 200 56 244 +102.98 ± 13.04 1 5 93 151 0 +230.16 ± 35.29
443620 ncm-dbt-05 577356 500 207 62 231 +103.73 ± 13.22 0 8 90 151 1 +228.08 ± 36.04
443619 ncm-dbt-03 584369 500 217 58 225 +114.45 ± 13.21 1 3 85 158 3 +256.44 ± 36.95
443618 ncm-dbt-01 580116 500 216 51 233 +119.11 ± 12.62 0 4 79 165 2 +270.57 ± 38.47
443617 ncm-dbt-04 567561 500 217 40 243 +128.55 ± 12.63 0 3 71 172 4 +295.94 ± 40.69
443616 ncm-dbt-02 586816 500 219 49 232 +123.02 ± 12.93 0 6 70 172 2 +282.94 ± 41.13
443615 ncm-dbt-05 583112 500 218 43 239 +126.97 ± 12.66 0 2 76 167 5 +288.06 ± 39.11
443614 ncm-dbt-01 582068 500 216 48 236 +121.45 ± 14.01 0 9 69 167 5 +270.57 ± 41.4
443613 ncm-dbt-03 586520 500 215 46 239 +122.24 ± 13.48 0 6 74 165 5 +273.0 ± 39.95
443612 ncm-dbt-04 567205 500 212 46 242 +119.89 ± 12.42 0 3 80 165 2 +273.0 ± 38.12
443611 ncm-dbt-02 585801 500 215 59 226 +112.14 ± 12.69 0 5 85 159 1 +251.89 ± 37.03
443610 ncm-dbt-05 587197 500 217 60 223 +112.91 ± 13.56 0 4 92 147 7 +240.82 ± 35.35
443609 ncm-dbt-01 583070 500 217 42 241 +126.97 ± 13.41 0 3 77 162 8 +280.42 ± 38.93
443608 ncm-dbt-04 564291 500 220 39 241 +131.74 ± 12.74 0 1 74 168 7 +298.62 ± 39.56
443607 ncm-dbt-02 583740 500 213 54 233 +114.45 ± 12.85 0 3 89 154 4 +251.89 ± 35.92
443606 ncm-dbt-03 586477 500 207 54 239 +109.83 ± 12.52 0 5 87 158 0 +247.41 ± 36.56
443605 ncm-dbt-01 581402 500 211 55 234 +112.14 ± 13.89 1 6 83 156 4 +247.41 ± 37.61
443604 ncm-dbt-05 579248 500 223 41 236 +132.54 ± 12.71 0 4 64 178 4 +309.64 ± 43.08
443603 ncm-dbt-04 566572 500 218 46 236 +124.6 ± 12.33 0 4 71 174 1 +290.66 ± 40.76
443602 ncm-dbt-03 586139 500 217 50 233 +120.67 ± 14.35 0 9 72 162 7 +263.42 ± 40.52
443601 ncm-dbt-02 586901 500 199 41 260 +113.68 ± 12.86 0 5 84 159 2 +254.16 ± 37.27
443600 ncm-dbt-01 583824 500 214 52 234 +116.77 ± 13.19 0 6 79 162 3 +261.07 ± 38.58
443599 ncm-dbt-04 569111 500 213 52 235 +116.0 ± 13.2 0 6 80 161 3 +258.75 ± 38.32
443598 ncm-dbt-02 585674 500 218 53 229 +119.11 ± 12.99 0 6 75 167 2 +270.57 ± 39.67
443597 ncm-dbt-03 583992 500 210 56 234 +110.6 ± 12.15 0 3 90 157 0 +249.64 ± 35.69
443596 ncm-dbt-05 583363 500 211 49 240 +116.78 ± 12.28 0 4 80 166 0 +268.17 ± 38.21
443595 ncm-dbt-04 566691 500 212 48 240 +118.33 ± 12.06 0 2 83 164 1 +270.57 ± 37.24
443594 ncm-dbt-02 585084 500 207 56 237 +108.3 ± 13.73 0 10 81 157 2 +238.66 ± 38.15
443593 ncm-dbt-03 582027 500 222 58 220 +118.33 ± 13.35 0 6 78 162 4 +263.42 ± 38.85
443592 ncm-dbt-01 582694 500 211 42 247 +122.24 ± 12.57 0 5 72 172 1 +282.94 ± 40.5
443591 ncm-dbt-05 582694 500 207 41 252 +119.89 ± 13.33 0 6 76 164 4 +268.17 ± 39.39
443590 ncm-dbt-02 586012 500 206 49 245 +112.91 ± 13.73 0 8 81 157 4 +247.41 ± 38.13
443589 ncm-dbt-01 583782 500 223 55 222 +121.45 ± 12.4 0 4 75 170 1 +280.42 ± 39.57
443588 ncm-dbt-04 570148 500 215 50 235 +119.11 ± 13.17 0 3 85 156 6 +261.07 ± 36.86
443587 ncm-dbt-03 585674 500 218 64 218 +110.6 ± 12.88 0 6 85 158 1 +247.41 ± 37.09
443586 ncm-dbt-05 581735 500 205 45 250 +115.22 ± 13.38 0 4 88 152 6 +249.64 ± 36.24

Commit

Commit ID 45d034fa504c0262c9be958e6139cabcc65aeaf6
Author Shawn Xu
Date 2025-11-30 20:58:35 UTC
Formatting fixups closes https://github.com/official-stockfish/Stockfish/pull/6446 No functional change
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