Dev Builds » 20230619-1937

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 06:52:19 583382 4000 1358 706 1936 +57.14 ± 5.03 2 177 999 811 11 +115.81 ± 10.71
ncm-dbt-02 06:52:11 586515 4000 1329 705 1966 +54.65 ± 5.07 3 191 992 807 7 +111.37 ± 10.76
ncm-dbt-03 06:52:53 584273 4000 1345 661 1994 +60.0 ± 5.08 1 181 962 845 11 +121.85 ± 10.94
ncm-dbt-04 06:54:00 568810 4014 1338 728 1948 +53.21 ± 5.14 3 215 959 829 1 +109.42 ± 10.98
ncm-dbt-05 06:52:43 581032 3986 1334 720 1932 +53.95 ± 4.99 2 185 1006 797 3 +110.44 ± 10.67
20000 6704 3520 9776 +55.79 ± 2.26 11 949 4918 4089 33 +113.76 ± 4.83

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
426892 ncm-dbt-04 567878 14 6 3 5 +75.56 ± 67.89 0 0 4 3 0 +159.09 ± 177.81
426891 ncm-dbt-05 578218 486 168 98 220 +50.39 ± 14.73 0 28 117 98 0 +103.0 ± 31.55
426890 ncm-dbt-03 582235 500 162 91 247 +49.67 ± 14.51 0 26 130 91 3 +96.94 ± 29.72
426889 ncm-dbt-01 580157 500 186 83 231 +72.61 ± 14.13 0 17 115 116 2 +148.85 ± 31.72
426888 ncm-dbt-02 586477 500 175 101 224 +51.8 ± 15.01 1 28 118 102 1 +106.01 ± 31.43
426887 ncm-dbt-04 568633 500 171 87 242 +58.93 ± 14.56 0 26 114 110 0 +121.46 ± 32.0
426886 ncm-dbt-05 573973 500 171 100 229 +49.67 ± 13.97 1 22 132 95 0 +102.97 ± 29.38
426885 ncm-dbt-03 585928 500 161 80 259 +56.78 ± 13.91 0 22 125 103 0 +116.78 ± 30.34
426884 ncm-dbt-02 587579 500 168 86 246 +57.5 ± 14.63 1 23 120 105 1 +118.33 ± 31.1
426883 ncm-dbt-01 582819 500 170 91 239 +55.36 ± 14.66 1 23 124 100 2 +112.14 ± 30.53
426882 ncm-dbt-04 568474 500 168 91 241 +53.93 ± 14.19 0 25 123 102 0 +110.6 ± 30.69
426881 ncm-dbt-05 579001 500 162 85 253 +53.93 ± 13.91 0 22 130 97 1 +109.07 ± 29.63
426880 ncm-dbt-02 586435 500 176 92 232 +58.93 ± 14.01 0 20 128 100 2 +118.33 ± 29.86
426879 ncm-dbt-01 585464 500 157 97 246 +41.89 ± 14.07 0 29 132 89 0 +85.04 ± 29.5
426878 ncm-dbt-03 584622 500 167 87 246 +56.07 ± 14.56 1 22 125 100 2 +113.68 ± 30.37
426877 ncm-dbt-04 569430 500 158 84 258 +51.8 ± 14.75 1 27 119 103 0 +107.54 ± 31.29
426876 ncm-dbt-05 579868 500 160 82 258 +54.65 ± 14.63 0 28 116 106 0 +112.14 ± 31.71
426875 ncm-dbt-01 583154 500 173 95 232 +54.64 ± 13.37 0 18 137 94 1 +110.6 ± 28.52
426874 ncm-dbt-02 585211 500 163 97 240 +46.13 ± 14.32 0 29 126 95 0 +93.95 ± 30.32
426873 ncm-dbt-03 587113 500 173 84 243 +62.51 ± 14.85 0 25 113 110 2 +126.18 ± 32.14
426872 ncm-dbt-04 567839 500 163 97 240 +46.13 ± 14.18 0 28 128 94 0 +93.95 ± 30.03
426871 ncm-dbt-05 580489 500 178 89 233 +62.51 ± 14.03 1 16 128 103 2 +127.76 ± 29.76
426870 ncm-dbt-02 586985 500 159 77 264 +57.5 ± 14.89 0 28 113 108 1 +116.78 ± 32.15
426869 ncm-dbt-03 585379 500 163 84 253 +55.36 ± 14.26 0 25 121 104 0 +113.68 ± 30.97
426868 ncm-dbt-04 569111 500 174 94 232 +56.07 ± 15.22 1 28 112 108 1 +115.23 ± 32.29
426867 ncm-dbt-01 583824 500 173 77 250 +67.54 ± 14.23 0 20 115 114 1 +138.99 ± 31.79
426866 ncm-dbt-05 579868 500 161 88 251 +51.09 ± 13.62 0 22 133 95 0 +104.49 ± 29.21
426865 ncm-dbt-03 582360 500 183 86 231 +68.27 ± 14.54 0 21 113 114 2 +138.99 ± 32.11
426864 ncm-dbt-01 583112 500 171 98 231 +51.09 ± 14.98 1 25 128 92 4 +99.95 ± 30.0
426863 ncm-dbt-02 585548 500 155 88 257 +46.84 ± 14.36 1 26 128 95 0 +96.94 ± 30.02
426862 ncm-dbt-04 569350 500 167 90 243 +53.94 ± 13.91 1 20 130 99 0 +112.14 ± 29.61
426861 ncm-dbt-05 579992 500 161 87 252 +51.8 ± 14.08 0 25 126 99 0 +106.01 ± 30.26
426860 ncm-dbt-03 580157 500 170 77 253 +65.38 ± 15.1 0 26 107 115 2 +132.54 ± 33.05
426859 ncm-dbt-02 586012 500 171 76 253 +66.82 ± 13.48 0 15 126 108 1 +137.37 ± 29.98
426858 ncm-dbt-01 584495 500 173 81 246 +64.66 ± 14.26 0 21 117 111 1 +132.54 ± 31.5
426857 ncm-dbt-04 568752 500 170 90 240 +56.07 ± 14.83 0 29 112 109 0 +115.23 ± 32.29
426856 ncm-dbt-05 596854 500 173 91 236 +57.5 ± 13.94 0 22 124 104 0 +118.33 ± 30.49
426855 ncm-dbt-03 586393 500 166 72 262 +66.1 ± 13.15 0 14 128 108 0 +137.37 ± 29.63
426854 ncm-dbt-02 587877 500 162 88 250 +51.8 ± 13.8 0 22 133 94 1 +104.49 ± 29.21
426853 ncm-dbt-01 584034 500 155 84 261 +49.67 ± 13.83 0 24 131 95 0 +101.46 ± 29.54
426852 ncm-dbt-04 569829 500 161 92 247 +48.25 ± 14.83 0 32 117 101 0 +98.44 ± 31.58

Commit

Commit ID a46087ee30ace00e1edd8963ee33b0a1b87031b6
Author maxim
Date 2023-06-19 19:37:23 UTC
Compressed network parameters Implemented LEB128 (de)compression for the feature transformer. Reduces embedded network size from 70 MiB to 39 Mib. The new nn-78bacfcee510.nnue corresponds to the master net compressed. closes https://github.com/official-stockfish/Stockfish/pull/4617 No functional change
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