Dev Builds » 20250525-1900

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 06:46:47 581940 3996 1680 470 1846 +108.61 ± 4.69 0 49 715 1209 25 +237.1 ± 12.68
ncm-dbt-02 06:46:47 584543 4016 1633 436 1947 +106.8 ± 4.68 1 56 712 1223 16 +234.72 ± 12.73
ncm-dbt-03 06:46:47 584818 4000 1610 480 1910 +100.89 ± 4.79 1 66 755 1158 20 +217.6 ± 12.35
ncm-dbt-04 06:45:58 568738 4008 1646 451 1911 +106.83 ± 4.67 1 53 716 1218 16 +234.82 ± 12.68
ncm-dbt-05 06:47:00 581819 3980 1613 437 1930 +105.81 ± 4.91 2 79 667 1225 17 +231.96 ± 13.19
20000 8182 2274 9544 +105.78 ± 2.12 5 303 3565 6033 94 +231.16 ± 5.69

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
415235 ncm-dbt-04 571351 8 3 0 5 +136.8 ± 89.09 0 0 1 3 0 +337.69 ± 541.44
415234 ncm-dbt-02 582945 16 7 1 8 +136.89 ± 61.78 0 0 2 6 0 +337.87 ± 515.83
415233 ncm-dbt-05 581943 480 189 61 230 +94.94 ± 14.48 0 12 91 134 3 +200.64 ± 35.89
415232 ncm-dbt-01 581569 496 200 70 226 +93.24 ± 13.35 0 8 104 134 2 +198.4 ± 33.22
415231 ncm-dbt-03 583237 500 200 57 243 +102.22 ± 12.7 0 5 98 146 1 +223.94 ± 34.18
415230 ncm-dbt-04 566770 500 201 57 242 +102.97 ± 13.04 0 7 93 149 1 +226.0 ± 35.35
415229 ncm-dbt-02 584159 500 199 55 246 +102.97 ± 12.87 0 6 95 148 1 +226.0 ± 34.87
415228 ncm-dbt-05 577438 500 202 52 246 +107.54 ± 14.52 0 14 75 158 3 +234.38 ± 39.52
415227 ncm-dbt-01 582819 500 218 56 226 +116.77 ± 13.54 0 6 81 158 5 +256.44 ± 38.07
415226 ncm-dbt-03 583028 500 202 66 232 +96.94 ± 13.81 0 10 97 140 3 +206.01 ± 34.66
415225 ncm-dbt-04 570348 500 211 60 229 +108.3 ± 13.73 0 9 84 154 3 +236.51 ± 37.42
415224 ncm-dbt-02 584916 500 213 52 235 +116.0 ± 13.2 0 7 77 164 2 +261.07 ± 39.14
415223 ncm-dbt-01 583237 500 213 65 222 +106.01 ± 13.39 0 9 85 155 1 +234.38 ± 37.19
415222 ncm-dbt-05 582235 500 208 51 241 +112.91 ± 13.39 1 6 79 163 1 +256.44 ± 38.62
415221 ncm-dbt-03 585970 500 203 55 242 +106.01 ± 13.56 0 9 86 153 2 +232.26 ± 36.96
415220 ncm-dbt-04 569949 500 199 58 243 +100.7 ± 12.69 0 5 100 144 1 +219.87 ± 33.78
415219 ncm-dbt-02 587919 500 196 46 258 +107.54 ± 12.71 0 4 94 150 2 +236.51 ± 34.92
415218 ncm-dbt-01 580987 500 204 55 241 +106.77 ± 12.88 0 4 96 147 3 +232.26 ± 34.5
415217 ncm-dbt-05 581818 500 204 52 244 +109.07 ± 13.56 0 9 82 157 2 +240.82 ± 37.9
415216 ncm-dbt-04 567522 500 207 66 227 +100.7 ± 12.86 0 7 95 148 0 +221.9 ± 34.93
415215 ncm-dbt-03 585000 500 209 62 229 +105.25 ± 14.51 1 9 87 148 5 +226.0 ± 36.75
415214 ncm-dbt-02 584117 500 210 57 233 +109.83 ± 13.73 1 6 85 155 3 +243.0 ± 37.13
415213 ncm-dbt-01 581485 500 203 64 233 +99.2 ± 13.51 0 8 98 141 3 +211.87 ± 34.38
415212 ncm-dbt-05 582444 500 203 41 256 +116.77 ± 12.65 0 4 82 162 2 +263.42 ± 37.69
415211 ncm-dbt-04 568673 500 198 51 251 +105.25 ± 13.56 0 10 84 155 1 +232.26 ± 37.43
415210 ncm-dbt-03 584076 500 192 58 250 +95.44 ± 12.98 0 7 103 139 1 +206.01 ± 33.36
415209 ncm-dbt-02 582485 500 199 52 249 +105.25 ± 13.39 0 10 83 157 0 +234.38 ± 37.67
415208 ncm-dbt-01 580075 500 215 42 243 +125.38 ± 12.12 0 3 72 174 1 +293.29 ± 40.39
415207 ncm-dbt-04 569031 500 205 53 242 +109.07 ± 13.05 1 3 91 153 2 +243.0 ± 35.57
415206 ncm-dbt-05 587197 500 199 70 231 +91.71 ± 13.88 0 13 96 140 1 +196.45 ± 34.93
415205 ncm-dbt-03 585674 500 202 62 236 +99.95 ± 13.84 0 10 93 144 3 +213.85 ± 35.47
415204 ncm-dbt-02 584537 500 198 67 235 +93.2 ± 13.6 0 10 101 137 2 +198.34 ± 33.9
415203 ncm-dbt-01 581985 500 221 64 215 +112.91 ± 13.73 0 5 90 148 7 +240.82 ± 35.87
415202 ncm-dbt-04 567997 500 221 47 232 +126.17 ± 13.42 0 5 72 167 6 +282.94 ± 40.5
415201 ncm-dbt-05 582027 500 210 58 232 +109.07 ± 14.53 1 12 73 162 2 +243.0 ± 40.09
415200 ncm-dbt-02 580447 500 210 56 234 +110.6 ± 13.56 0 8 83 156 3 +243.0 ± 37.64
415199 ncm-dbt-03 585253 500 202 59 239 +102.22 ± 13.54 0 7 97 142 4 +217.85 ± 34.53
415198 ncm-dbt-01 583363 500 206 54 240 +109.07 ± 13.23 0 6 89 152 3 +238.66 ± 36.16
415197 ncm-dbt-04 567007 500 201 59 240 +101.46 ± 13.2 0 7 96 145 2 +219.87 ± 34.73
415196 ncm-dbt-03 586308 500 200 61 239 +99.2 ± 13.35 0 9 94 146 1 +215.85 ± 35.23
415195 ncm-dbt-02 589368 500 201 50 249 +108.3 ± 13.06 0 5 92 150 3 +236.51 ± 35.43
415194 ncm-dbt-05 579455 500 198 52 250 +104.49 ± 13.71 0 9 89 149 3 +226.0 ± 36.29

Commit

Commit ID e6ec4705a868f904fd4237703e4c2d0a7ae1ad6b
Author Shawn Xu
Date 2025-05-25 19:00:38 UTC
Remove deprecated arch from codeql closes https://github.com/official-stockfish/Stockfish/pull/6090 no functional change
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