Dev Builds » 20230218-1214

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 07:00:46 583712 4016 1256 825 1935 +37.43 ± 5.0 3 241 1092 666 6 +75.21 ± 10.21
ncm-dbt-02 06:59:51 584461 3984 1221 884 1879 +29.46 ± 5.15 6 288 1062 635 1 +60.25 ± 10.4
ncm-dbt-03 06:59:21 583583 4000 1258 816 1926 +38.55 ± 5.14 5 253 1042 695 5 +78.07 ± 10.5
ncm-dbt-04 06:58:44 568709 4000 1241 837 1922 +35.21 ± 5.09 1 270 1056 670 3 +70.8 ± 10.43
ncm-dbt-05 06:59:46 583258 4000 1176 799 2025 +32.84 ± 5.14 1 287 1051 656 5 +65.56 ± 10.46
20000 6152 4161 9687 +34.7 ± 2.28 16 1339 5303 3322 20 +69.97 ± 4.65

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
412047 ncm-dbt-01 582444 16 7 3 6 +88.68 ± 65.24 0 0 4 4 0 +190.76 ± 189.19
412046 ncm-dbt-02 587028 484 154 110 220 +31.67 ± 15.16 1 36 123 82 0 +65.37 ± 30.75
412045 ncm-dbt-05 585885 500 140 92 268 +33.46 ± 14.86 0 38 127 84 1 +66.1 ± 30.25
412044 ncm-dbt-03 583866 500 153 91 256 +43.3 ± 15.58 1 36 114 98 1 +88.0 ± 31.98
412043 ncm-dbt-04 568792 500 157 109 234 +33.46 ± 13.94 0 32 138 80 0 +67.55 ± 28.74
412042 ncm-dbt-01 583614 500 149 100 251 +34.16 ± 14.26 0 34 133 83 0 +68.99 ± 29.43
412041 ncm-dbt-02 581111 500 152 109 239 +29.95 ± 14.37 0 37 133 80 0 +60.36 ± 29.46
412040 ncm-dbt-05 582360 500 143 107 250 +25.06 ± 14.16 0 38 138 74 0 +50.38 ± 28.82
412039 ncm-dbt-03 584159 500 160 99 241 +42.6 ± 14.38 0 30 130 89 1 +85.04 ± 29.79
412038 ncm-dbt-04 569230 500 139 108 253 +21.57 ± 14.55 0 42 136 71 1 +41.89 ± 29.11
412037 ncm-dbt-01 582402 500 154 110 236 +30.65 ± 14.42 1 33 138 77 1 +61.79 ± 28.77
412036 ncm-dbt-02 585801 500 148 112 240 +25.06 ± 14.02 2 31 146 71 0 +53.22 ± 27.7
412035 ncm-dbt-03 583489 500 167 101 232 +46.13 ± 14.85 2 26 127 94 1 +95.44 ± 30.17
412034 ncm-dbt-05 584874 500 157 99 244 +40.48 ± 14.52 0 33 126 91 0 +82.1 ± 30.36
412033 ncm-dbt-04 568514 500 161 119 220 +29.25 ± 14.32 1 34 137 78 0 +60.36 ± 28.92
412032 ncm-dbt-01 584453 500 154 96 250 +40.49 ± 14.52 1 30 129 90 0 +83.57 ± 29.93
412031 ncm-dbt-02 585084 500 152 110 238 +29.25 ± 14.84 0 41 126 83 0 +58.93 ± 30.4
412030 ncm-dbt-04 566849 500 158 99 243 +41.19 ± 13.62 0 26 139 85 0 +83.57 ± 28.49
412029 ncm-dbt-05 581070 500 138 95 267 +29.95 ± 14.11 1 31 143 74 1 +60.36 ± 28.08
412028 ncm-dbt-03 584790 500 153 108 239 +31.35 ± 14.47 0 37 131 82 0 +63.23 ± 29.72
412027 ncm-dbt-01 583740 500 154 111 235 +29.95 ± 13.14 0 27 154 68 1 +58.93 ± 26.49
412026 ncm-dbt-02 585885 500 156 110 234 +32.06 ± 14.77 1 36 129 84 0 +66.1 ± 29.99
412025 ncm-dbt-03 583656 500 151 102 247 +34.16 ± 14.26 0 33 136 80 1 +67.55 ± 29.02
412024 ncm-dbt-05 584117 500 146 105 249 +28.55 ± 14.67 0 40 129 81 0 +57.5 ± 30.0
412023 ncm-dbt-04 567403 500 151 98 251 +36.97 ± 14.44 0 34 129 87 0 +74.79 ± 29.96
412022 ncm-dbt-01 580365 500 168 98 234 +48.96 ± 14.07 1 23 131 95 0 +101.46 ± 29.54
412021 ncm-dbt-02 580696 500 157 117 226 +27.85 ± 14.36 1 34 140 74 1 +56.07 ± 28.52
412020 ncm-dbt-03 577438 500 164 107 229 +39.78 ± 13.67 1 24 142 83 0 +82.1 ± 28.06
412019 ncm-dbt-01 585253 500 163 103 234 +41.89 ± 13.38 0 23 145 81 1 +83.57 ± 27.6
412018 ncm-dbt-04 569111 500 157 98 245 +41.19 ± 14.43 0 32 127 91 0 +83.57 ± 30.21
412017 ncm-dbt-05 583782 500 148 96 256 +36.26 ± 14.53 0 33 134 81 2 +70.44 ± 29.29
412016 ncm-dbt-02 584958 500 156 107 237 +34.16 ± 14.52 0 36 129 85 0 +68.99 ± 29.98
412015 ncm-dbt-04 569549 500 159 99 242 +41.89 ± 14.99 0 35 121 93 1 +83.57 ± 31.04
412014 ncm-dbt-01 586646 500 165 97 238 +47.54 ± 14.79 0 30 124 94 2 +93.95 ± 30.6
412013 ncm-dbt-05 583740 500 150 112 238 +26.46 ± 14.78 0 42 128 80 0 +53.22 ± 30.14
412012 ncm-dbt-03 586308 500 154 107 239 +32.76 ± 14.3 1 32 136 81 0 +67.55 ± 29.02
412011 ncm-dbt-02 585126 500 146 109 245 +25.76 ± 14.47 1 37 136 76 0 +53.22 ± 29.08
412010 ncm-dbt-04 570228 500 159 107 234 +36.26 ± 14.66 0 35 129 85 1 +71.89 ± 29.97
412009 ncm-dbt-05 580240 500 154 93 253 +42.6 ± 14.65 0 32 126 91 1 +85.04 ± 30.35
412008 ncm-dbt-01 584495 500 142 107 251 +24.36 ± 14.63 0 41 134 74 1 +47.55 ± 29.36
412007 ncm-dbt-03 584958 500 156 101 243 +38.37 ± 14.79 0 35 126 88 1 +76.25 ± 30.37

Commit

Commit ID e5f6d71b96b5149e5e1df30721e1870abdb218ce
Author borg323
Date 2023-02-18 12:14:05 UTC
Fix build on arm windows avoids the use of _mm_malloc on arm windows. fixes #4379 closes https://github.com/official-stockfish/Stockfish/pull/4388 No functional change
Copyright 2011–2025 Next Chess Move LLC