Dev Builds » 20250702-1632

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 06:44:24 581935 3996 1631 426 1939 +108.13 ± 4.7 0 54 706 1217 21 +236.83 ± 12.77
ncm-dbt-02 06:44:05 585987 3994 1621 456 1917 +104.37 ± 4.78 0 65 723 1188 21 +226.45 ± 12.64
ncm-dbt-03 06:44:29 583985 4012 1653 441 1918 +108.34 ± 4.8 1 61 695 1223 26 +236.37 ± 12.9
ncm-dbt-04 06:43:57 567950 4000 1649 451 1900 +107.35 ± 4.73 2 56 701 1224 17 +236.25 ± 12.83
ncm-dbt-05 06:44:51 579757 3998 1647 483 1868 +104.17 ± 4.85 4 67 707 1203 18 +227.71 ± 12.8
20000 8201 2257 9542 +106.47 ± 2.13 7 303 3532 6055 103 +232.69 ± 5.71

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
420750 ncm-dbt-03 585674 12 5 1 6 +120.31 ± 75.55 0 0 2 4 0 +279.41 ± 548.26
420749 ncm-dbt-02 586139 494 203 48 243 +112.82 ± 13.83 0 7 83 152 5 +244.81 ± 37.6
420748 ncm-dbt-05 580987 498 203 59 236 +103.41 ± 13.41 1 5 94 147 2 +227.19 ± 35.07
420747 ncm-dbt-01 581070 496 198 46 252 +110.0 ± 12.94 0 5 88 153 2 +243.46 ± 36.31
420746 ncm-dbt-04 567086 500 205 65 230 +99.95 ± 13.52 0 9 94 145 2 +215.85 ± 35.23
420745 ncm-dbt-03 583950 500 203 54 243 +106.77 ± 14.05 0 9 88 148 5 +228.08 ± 36.51
420744 ncm-dbt-05 576496 500 217 52 231 +119.11 ± 12.8 0 5 77 166 2 +270.57 ± 39.07
420743 ncm-dbt-02 583572 500 205 63 232 +101.46 ± 13.37 0 7 97 143 3 +217.85 ± 34.53
420742 ncm-dbt-01 581777 500 204 60 236 +102.97 ± 13.04 0 8 90 152 0 +228.08 ± 36.04
420741 ncm-dbt-04 567878 500 202 59 239 +102.22 ± 12.87 1 3 99 146 1 +226.0 ± 33.89
420740 ncm-dbt-03 583321 500 206 51 243 +111.37 ± 12.69 0 4 89 155 2 +247.41 ± 36.02
420739 ncm-dbt-02 585801 500 200 67 233 +94.69 ± 13.62 0 10 99 139 2 +202.15 ± 34.28
420738 ncm-dbt-01 580530 500 205 59 236 +104.49 ± 13.55 0 8 91 148 3 +226.0 ± 35.82
420737 ncm-dbt-05 580240 500 214 58 228 +112.14 ± 13.22 0 7 82 159 2 +249.64 ± 37.86
420736 ncm-dbt-04 568116 500 217 55 228 +116.77 ± 13.54 0 7 78 161 4 +258.75 ± 38.88
420735 ncm-dbt-03 584664 500 202 61 237 +100.7 ± 13.69 0 10 91 147 2 +217.85 ± 35.89
420734 ncm-dbt-02 587155 500 199 40 261 +114.45 ± 13.38 0 8 77 163 2 +256.44 ± 39.15
420733 ncm-dbt-01 580821 500 210 37 253 +125.38 ± 12.89 0 5 70 172 3 +288.06 ± 41.11
420732 ncm-dbt-04 569310 500 211 67 222 +102.97 ± 13.71 0 9 91 147 3 +221.9 ± 35.86
420731 ncm-dbt-05 575557 500 211 59 230 +109.07 ± 13.4 0 9 81 159 1 +243.0 ± 38.14
420730 ncm-dbt-03 583321 500 191 55 254 +96.94 ± 14.87 1 13 89 143 4 +206.01 ± 36.33
420729 ncm-dbt-02 586562 500 198 61 241 +97.69 ± 14.13 0 11 95 140 4 +206.01 ± 35.09
420728 ncm-dbt-01 583363 500 207 55 238 +109.07 ± 13.05 0 4 94 148 4 +236.51 ± 34.92
420727 ncm-dbt-04 566691 500 199 44 257 +111.37 ± 13.39 0 8 81 159 2 +247.41 ± 38.13
420726 ncm-dbt-05 577397 500 204 60 236 +102.97 ± 13.71 1 5 97 143 4 +221.9 ± 34.46
420725 ncm-dbt-03 580779 500 214 54 232 +115.22 ± 13.2 0 5 84 157 4 +254.16 ± 37.27
420724 ncm-dbt-02 585590 500 210 62 228 +106.01 ± 13.22 0 7 90 151 2 +232.26 ± 35.99
420723 ncm-dbt-01 581860 500 206 61 233 +103.73 ± 13.38 0 8 91 149 2 +226.0 ± 35.82
420722 ncm-dbt-04 570469 500 208 57 235 +108.3 ± 13.73 0 10 81 157 2 +238.66 ± 38.15
420721 ncm-dbt-05 583950 500 200 68 232 +93.95 ± 14.38 1 12 93 142 2 +202.15 ± 35.52
420720 ncm-dbt-03 584495 500 213 54 233 +114.45 ± 13.03 0 4 87 155 4 +251.89 ± 36.48
420719 ncm-dbt-01 581818 500 191 65 244 +89.48 ± 13.84 0 11 105 131 3 +187.16 ± 33.21
420718 ncm-dbt-04 566099 500 201 54 245 +105.25 ± 12.88 1 3 95 150 1 +234.38 ± 34.71
420717 ncm-dbt-02 586181 500 200 52 248 +106.01 ± 12.71 0 6 90 154 0 +236.51 ± 35.94
420716 ncm-dbt-05 578136 500 195 63 242 +93.95 ± 14.82 1 15 87 145 2 +202.15 ± 36.72
420715 ncm-dbt-03 584453 500 210 54 236 +112.14 ± 14.06 0 9 81 155 5 +243.0 ± 38.14
420714 ncm-dbt-02 586901 500 206 63 231 +102.22 ± 13.7 0 9 92 146 3 +219.87 ± 35.65
420713 ncm-dbt-01 584243 500 210 43 247 +120.67 ± 13.15 0 5 77 164 4 +270.57 ± 39.07
420712 ncm-dbt-04 567958 500 206 50 244 +112.14 ± 13.22 0 7 82 159 2 +249.64 ± 37.86
420711 ncm-dbt-05 585295 500 203 64 233 +99.2 ± 13.67 0 9 96 142 3 +211.87 ± 34.83
420710 ncm-dbt-03 585211 500 209 57 234 +109.07 ± 12.88 0 7 84 159 0 +245.2 ± 37.37

Commit

Commit ID ea85a54fef82aaa760460c1dea8826bba1ed9597
Author MinetaS
Date 2025-07-02 16:32:12 UTC
Fix trivial errors in Makefile 1. Remove "default" rule as "default" has no special meaning as a rule name. Make runs the very first rule whose name doesn't begin with a dot (which is "help" currently). 2. Make "format" rule not update dependencies. closes https://github.com/official-stockfish/Stockfish/pull/6140 No functional change
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