Dev Builds » 20251014-1525

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 06:47:52 568888 4004 1673 446 1885 +110.0 ± 4.91 2 69 660 1242 29 +240.5 ± 13.26
ncm-dbt-02 06:47:44 575573 3992 1644 426 1922 +109.49 ± 4.74 1 57 681 1237 20 +241.21 ± 13.03
ncm-dbt-03 06:48:00 575444 4032 1651 443 1938 +107.39 ± 4.7 1 57 710 1229 19 +235.59 ± 12.75
ncm-dbt-04 06:46:59 557299 4000 1655 425 1920 +110.41 ± 4.82 1 60 676 1234 29 +241.37 ± 13.09
ncm-dbt-05 06:46:49 573266 3972 1632 449 1891 +106.71 ± 4.79 1 60 702 1201 22 +232.84 ± 12.83
20000 8255 2189 9556 +108.8 ± 2.14 6 303 3429 6143 119 +238.28 ± 5.8

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
437210 ncm-dbt-05 501125 400 160 56 184 +92.46 ± 17.33 1 13 71 111 4 +193.17 ± 40.69
437208 ncm-dbt-04 476930 416 170 46 200 +106.8 ± 17.07 0 13 65 123 7 +221.14 ± 42.49
437207 ncm-dbt-03 502861 420 171 51 198 +102.11 ± 15.75 0 11 71 125 3 +218.43 ± 40.76
437206 ncm-dbt-01 489360 414 159 59 196 +85.61 ± 16.92 1 14 80 108 4 +176.59 ± 38.32
437205 ncm-dbt-02 489302 416 166 49 201 +100.42 ± 15.22 0 8 78 119 3 +213.89 ± 38.76
437204 ncm-dbt-02 586562 76 30 7 39 +108.53 ± 29.83 0 0 15 23 0 +243.67 ± 89.17
437203 ncm-dbt-05 585464 72 30 4 38 +131.37 ± 29.35 0 0 10 26 0 +316.92 ± 116.53
437202 ncm-dbt-04 568633 84 32 8 44 +102.1 ± 31.05 0 1 16 25 0 +225.71 ± 87.98
437201 ncm-dbt-01 579248 90 41 8 41 +133.6 ± 31.4 0 1 11 32 1 +309.02 ± 111.58
437200 ncm-dbt-03 584664 112 51 12 49 +126.25 ± 27.62 0 1 16 38 1 +287.14 ± 89.47
437199 ncm-dbt-02 587197 500 206 48 246 +113.68 ± 13.04 0 7 79 163 1 +256.44 ± 38.62
437198 ncm-dbt-01 579166 500 207 54 239 +109.83 ± 14.53 1 8 84 151 6 +236.51 ± 37.42
437197 ncm-dbt-05 581610 500 208 68 224 +99.95 ± 14.0 0 11 91 145 3 +213.85 ± 35.9
437196 ncm-dbt-04 566375 500 204 42 254 +116.77 ± 13.01 0 5 81 161 3 +261.07 ± 38.02
437195 ncm-dbt-03 585211 500 206 56 238 +107.54 ± 13.4 0 8 86 154 2 +236.51 ± 36.93
437194 ncm-dbt-05 580075 500 214 59 227 +111.37 ± 13.56 0 7 85 154 4 +243.0 ± 37.13
437193 ncm-dbt-04 568554 500 211 61 228 +107.54 ± 13.23 0 6 91 150 3 +234.38 ± 35.72
437192 ncm-dbt-02 585590 500 205 49 246 +112.14 ± 13.39 0 7 83 157 3 +247.41 ± 37.61
437191 ncm-dbt-01 578794 500 204 68 228 +96.94 ± 13.81 0 11 94 143 2 +207.95 ± 35.29
437190 ncm-dbt-03 583154 500 208 63 229 +103.73 ± 14.65 1 11 84 150 4 +223.94 ± 37.43
437189 ncm-dbt-04 567918 500 204 64 232 +99.95 ± 13.19 0 6 101 140 3 +213.85 ± 33.67
437188 ncm-dbt-02 584790 500 206 57 237 +106.77 ± 13.39 0 9 84 156 1 +236.51 ± 37.42
437187 ncm-dbt-05 584874 500 194 53 253 +100.7 ± 13.36 0 9 92 148 1 +219.87 ± 35.65
437186 ncm-dbt-01 582360 500 218 57 225 +116.0 ± 13.2 0 4 86 155 5 +254.16 ± 36.71
437185 ncm-dbt-03 584706 500 206 53 241 +109.83 ± 13.05 0 4 93 149 4 +238.66 ± 35.13
437184 ncm-dbt-04 565823 500 208 49 243 +114.45 ± 13.21 1 3 85 158 3 +256.44 ± 36.95
437183 ncm-dbt-02 586985 500 211 58 231 +109.83 ± 13.89 0 6 92 145 7 +232.26 ± 35.5
437182 ncm-dbt-05 582235 500 203 47 250 +112.14 ± 13.04 0 6 84 158 2 +249.64 ± 37.33
437181 ncm-dbt-01 580365 500 215 49 236 +119.89 ± 13.51 0 8 71 168 3 +270.57 ± 40.83
437180 ncm-dbt-03 584537 500 208 60 232 +106.01 ± 13.05 0 7 89 153 1 +234.38 ± 36.22
437179 ncm-dbt-04 566454 500 202 50 248 +109.07 ± 13.89 0 11 78 159 2 +240.82 ± 38.87
437178 ncm-dbt-02 584748 500 213 49 238 +118.33 ± 13.35 0 8 72 168 2 +268.17 ± 40.54
437177 ncm-dbt-01 573810 500 212 43 245 +122.24 ± 13.12 0 6 72 169 3 +277.93 ± 40.53
437176 ncm-dbt-05 579661 500 215 57 228 +113.68 ± 12.31 0 3 87 159 1 +256.44 ± 36.38
437175 ncm-dbt-03 583950 500 197 45 258 +109.07 ± 12.88 0 5 90 153 2 +240.82 ± 35.87
437174 ncm-dbt-04 566809 500 214 41 245 +125.38 ± 12.89 0 4 73 169 4 +285.49 ± 40.16
437173 ncm-dbt-02 586858 500 200 54 246 +104.49 ± 12.88 0 7 90 153 0 +232.26 ± 35.99
437172 ncm-dbt-05 584117 500 199 51 250 +106.01 ± 13.22 0 7 90 151 2 +232.26 ± 35.99
437171 ncm-dbt-01 578506 500 215 61 224 +110.6 ± 13.89 0 10 79 158 3 +243.0 ± 38.64
437170 ncm-dbt-03 586097 500 205 54 241 +108.3 ± 12.53 0 3 95 150 2 +238.66 ± 34.61
437169 ncm-dbt-04 568196 500 210 64 226 +104.49 ± 14.19 0 11 86 149 4 +223.94 ± 36.98
437168 ncm-dbt-02 588132 500 207 55 238 +109.07 ± 13.56 1 5 88 153 3 +240.82 ± 36.39
437167 ncm-dbt-05 580240 500 209 54 237 +111.37 ± 13.22 0 4 92 149 5 +240.82 ± 35.35
437166 ncm-dbt-01 578383 500 202 47 251 +111.37 ± 13.22 0 7 83 158 2 +247.41 ± 37.61
437165 ncm-dbt-03 583824 500 199 49 252 +107.54 ± 12.88 0 7 86 157 0 +240.82 ± 36.9

Commit

Commit ID c956df4cbb4ffded736a95baa1bde7df6d48e319
Author mstembera
Date 2025-10-14 15:25:48 UTC
Split accumulator 3-way for avxvnni This does the same thing for x86-64-avxvnni as #6336, #6339. closes https://github.com/official-stockfish/Stockfish/pull/6347 No functional change
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