Dev Builds » 20231023-1839

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 06:55:05 583866 4000 1388 686 1926 +61.61 ± 4.89 1 147 1011 831 10 +125.58 ± 10.59
ncm-dbt-02 06:54:11 587554 4000 1397 686 1917 +62.42 ± 5.12 1 179 941 866 13 +126.77 ± 11.08
ncm-dbt-03 06:56:15 587632 4016 1369 690 1957 +59.31 ± 5.05 6 169 980 846 7 +122.1 ± 10.82
ncm-dbt-04 06:55:57 571971 3988 1394 672 1922 +63.6 ± 5.03 2 163 947 875 7 +130.78 ± 11.02
ncm-dbt-05 06:56:53 584275 3996 1402 722 1872 +59.7 ± 5.09 4 176 962 848 8 +122.37 ± 10.94
20000 6950 3456 9594 +61.33 ± 2.25 14 834 4841 4266 45 +125.51 ± 4.87

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
392863 ncm-dbt-03 587834 16 6 4 6 +43.65 ± 104.65 0 2 2 4 0 +88.74 ± 261.91
392862 ncm-dbt-04 572719 488 170 86 232 +60.4 ± 13.88 0 18 125 100 1 +123.09 ± 30.17
392861 ncm-dbt-05 584159 496 173 104 219 +48.65 ± 14.13 0 26 127 95 0 +99.28 ± 30.12
392860 ncm-dbt-01 582778 500 163 75 262 +61.79 ± 13.99 0 21 120 109 0 +127.76 ± 31.05
392859 ncm-dbt-02 588430 500 177 93 230 +58.93 ± 14.29 0 23 121 105 1 +119.89 ± 30.94
392858 ncm-dbt-03 588899 500 181 83 236 +68.99 ± 13.56 0 15 123 111 1 +142.26 ± 30.43
392857 ncm-dbt-04 573770 500 170 96 234 +51.8 ± 14.62 0 29 118 103 0 +106.01 ± 31.43
392856 ncm-dbt-05 582903 500 166 86 248 +56.07 ± 14.56 2 21 122 105 0 +118.33 ± 30.8
392855 ncm-dbt-01 583656 500 162 88 250 +51.8 ± 13.37 0 20 136 94 0 +106.01 ± 28.73
392854 ncm-dbt-02 588472 500 180 84 236 +67.54 ± 14.37 0 19 119 109 3 +135.76 ± 31.16
392853 ncm-dbt-03 587664 500 175 83 242 +64.67 ± 15.2 4 17 112 117 0 +140.62 ± 32.26
392852 ncm-dbt-05 584327 500 179 109 212 +48.96 ± 13.93 1 22 133 94 0 +101.46 ± 29.24
392851 ncm-dbt-04 571712 500 168 80 252 +61.79 ± 14.55 1 22 115 112 0 +129.35 ± 31.83
392850 ncm-dbt-01 583824 500 178 87 235 +63.95 ± 14.37 1 18 122 107 2 +130.94 ± 30.71
392849 ncm-dbt-02 587792 500 167 89 244 +54.65 ± 14.89 1 25 121 101 2 +110.6 ± 30.98
392848 ncm-dbt-03 587367 500 163 79 258 +58.93 ± 14.15 0 21 126 101 2 +118.33 ± 30.18
392847 ncm-dbt-04 569390 500 190 103 207 +61.08 ± 14.1 1 17 128 102 2 +124.6 ± 29.8
392846 ncm-dbt-05 582569 500 190 77 233 +79.9 ± 14.36 0 17 105 126 2 +165.8 ± 33.35
392845 ncm-dbt-01 585674 500 164 88 248 +53.22 ± 14.56 0 26 124 98 2 +106.01 ± 30.56
392844 ncm-dbt-02 588686 500 175 71 254 +73.33 ± 14.72 0 20 109 118 3 +148.85 ± 32.73
392843 ncm-dbt-03 586816 500 171 99 230 +50.38 ± 13.72 0 21 138 89 2 +99.95 ± 28.49
392842 ncm-dbt-04 571752 500 167 81 252 +60.36 ± 14.07 0 22 120 108 0 +124.6 ± 31.07
392841 ncm-dbt-05 585548 500 168 94 238 +51.8 ± 14.22 0 24 130 94 2 +102.97 ± 29.68
392840 ncm-dbt-01 584369 500 178 94 228 +58.93 ± 13.72 0 17 135 95 3 +116.78 ± 28.76
392839 ncm-dbt-02 586393 500 161 81 258 +56.07 ± 14.7 0 26 120 102 2 +112.14 ± 31.13
392838 ncm-dbt-03 587494 500 166 90 244 +53.22 ± 15.59 2 29 111 107 1 +110.6 ± 32.43
392837 ncm-dbt-04 571712 500 172 81 247 +63.94 ± 14.78 0 23 116 108 3 +127.76 ± 31.68
392836 ncm-dbt-01 584327 500 178 84 238 +66.1 ± 13.45 0 15 127 107 1 +135.76 ± 29.83
392835 ncm-dbt-05 581777 500 171 77 252 +66.1 ± 14.31 0 20 118 110 2 +134.15 ± 31.33
392834 ncm-dbt-02 587155 500 175 89 236 +60.36 ± 14.49 0 25 114 111 0 +124.6 ± 31.99
392833 ncm-dbt-03 587240 500 165 87 248 +54.65 ± 13.66 0 21 130 99 0 +112.14 ± 29.61
392832 ncm-dbt-04 571391 500 185 69 246 +82.1 ± 13.52 0 12 111 126 1 +172.78 ± 32.21
392831 ncm-dbt-05 584579 500 172 84 244 +61.79 ± 14.55 0 25 112 113 0 +127.76 ± 32.29
392830 ncm-dbt-01 583028 500 181 82 237 +69.71 ± 13.44 0 14 124 111 1 +143.89 ± 30.23
392829 ncm-dbt-03 588686 500 171 83 246 +61.79 ± 13.85 0 19 125 105 1 +126.18 ± 30.27
392828 ncm-dbt-02 586477 500 178 94 228 +58.93 ± 14.69 0 25 118 105 2 +118.33 ± 31.4
392827 ncm-dbt-04 573325 500 172 76 252 +67.55 ± 14.09 0 20 114 116 0 +140.62 ± 31.94
392826 ncm-dbt-01 583279 500 184 88 228 +67.54 ± 13.65 0 16 123 110 1 +138.99 ± 30.46
392825 ncm-dbt-02 587028 500 184 85 231 +69.71 ± 13.59 0 16 119 115 0 +145.54 ± 31.07
392824 ncm-dbt-03 586689 500 171 82 247 +62.51 ± 14.44 0 24 113 113 0 +129.35 ± 32.14
392823 ncm-dbt-05 588345 500 183 91 226 +64.66 ± 14.8 1 21 115 111 2 +132.54 ± 31.82

Commit

Commit ID 49ece9f791b84a261f2a8865d2de51c20a520bc6
Author Joost VandeVondele
Date 2023-10-23 18:39:48 UTC
Follow up Makefile changes for clang-format as reported on various OS, these changes help portability closes https://github.com/official-stockfish/Stockfish/pull/4844 No functional change.
Copyright 2011–2025 Next Chess Move LLC