Dev Builds » 20230716-1316

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 06:54:45 583943 4002 1359 739 1904 +54.26 ± 5.12 1 206 975 810 9 +109.77 ± 10.88
ncm-dbt-02 06:54:24 586832 4000 1334 693 1973 +56.16 ± 5.04 3 187 978 830 2 +115.61 ± 10.85
ncm-dbt-03 06:53:56 584027 4002 1337 688 1977 +56.85 ± 5.07 1 185 993 808 14 +114.39 ± 10.75
ncm-dbt-04 06:53:58 568779 4000 1353 673 1974 +59.64 ± 5.04 1 176 975 838 10 +121.26 ± 10.86
ncm-dbt-05 06:53:43 578113 3996 1376 690 1930 +60.24 ± 5.1 5 173 960 851 9 +123.55 ± 10.95
20000 6759 3483 9758 +57.43 ± 2.27 11 927 4881 4137 44 +116.89 ± 4.85

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
425900 ncm-dbt-03 583196 2 1 1 0 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
425899 ncm-dbt-01 582569 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
425898 ncm-dbt-05 577848 496 183 90 223 +65.92 ± 14.39 1 18 117 111 1 +136.97 ± 31.45
425897 ncm-dbt-02 587240 500 161 100 239 +42.6 ± 14.52 1 28 131 89 1 +86.52 ± 29.64
425896 ncm-dbt-04 569949 500 163 71 266 +64.66 ± 14.8 0 23 115 109 3 +129.35 ± 31.83
425895 ncm-dbt-03 583656 500 166 84 250 +57.5 ± 14.22 0 21 129 97 3 +113.68 ± 29.75
425894 ncm-dbt-01 581943 500 169 93 238 +53.22 ± 14.01 0 24 126 100 0 +109.07 ± 30.24
425893 ncm-dbt-05 578383 500 170 95 235 +52.51 ± 13.41 0 19 138 92 1 +106.01 ± 28.42
425892 ncm-dbt-03 581070 500 171 98 231 +51.09 ± 14.18 0 24 131 93 2 +101.46 ± 29.54
425891 ncm-dbt-04 568593 500 160 92 248 +47.55 ± 14.92 1 29 122 97 1 +96.94 ± 30.88
425890 ncm-dbt-02 587452 500 152 86 262 +46.13 ± 14.32 1 26 129 94 0 +95.44 ± 29.88
425889 ncm-dbt-01 582527 500 180 88 232 +64.66 ± 14.53 0 22 116 110 2 +130.94 ± 31.66
425888 ncm-dbt-05 577889 500 175 74 251 +71.16 ± 15.32 1 21 108 116 4 +143.89 ± 32.9
425887 ncm-dbt-03 583908 500 165 88 247 +53.93 ± 14.46 0 25 125 98 2 +107.54 ± 30.4
425886 ncm-dbt-02 586435 500 190 86 224 +73.34 ± 13.57 0 15 116 119 0 +153.86 ± 31.51
425885 ncm-dbt-04 567680 500 168 82 250 +60.36 ± 14.21 0 22 121 106 1 +123.02 ± 30.92
425884 ncm-dbt-01 584201 500 159 90 251 +48.25 ± 14.57 0 28 127 93 2 +95.44 ± 30.17
425883 ncm-dbt-05 577930 500 165 90 245 +52.51 ± 14.92 0 30 116 103 1 +106.01 ± 31.72
425882 ncm-dbt-03 585211 500 165 94 241 +49.67 ± 14.51 1 26 124 99 0 +102.97 ± 30.57
425881 ncm-dbt-04 571029 500 165 86 249 +55.36 ± 14.66 0 28 115 107 0 +113.68 ± 31.86
425880 ncm-dbt-02 587707 500 160 83 257 +53.93 ± 14.73 0 29 115 106 0 +110.6 ± 31.86
425879 ncm-dbt-01 583237 500 166 99 235 +46.84 ± 14.62 0 30 124 95 1 +93.95 ± 30.6
425878 ncm-dbt-05 576251 500 178 90 232 +61.79 ± 14.41 0 23 117 109 1 +126.18 ± 31.53
425877 ncm-dbt-03 584664 500 163 83 254 +56.07 ± 14.01 0 22 127 100 1 +113.68 ± 30.06
425876 ncm-dbt-04 568633 500 176 84 240 +64.66 ± 13.69 0 16 128 104 2 +130.94 ± 29.72
425875 ncm-dbt-02 585379 500 161 67 272 +66.1 ± 13.89 0 19 118 113 0 +137.37 ± 31.31
425874 ncm-dbt-01 584327 500 170 96 234 +51.8 ± 13.66 0 22 132 96 0 +106.01 ± 29.35
425873 ncm-dbt-03 584453 500 167 81 252 +60.36 ± 14.76 0 23 122 101 4 +118.33 ± 30.8
425872 ncm-dbt-05 579951 500 174 81 245 +65.39 ± 14.83 1 23 108 118 0 +137.37 ± 32.9
425871 ncm-dbt-04 568434 500 180 93 227 +61.07 ± 13.68 0 18 128 103 1 +124.6 ± 29.8
425870 ncm-dbt-02 586012 500 168 75 257 +65.39 ± 14.7 1 22 110 117 0 +137.37 ± 32.59
425869 ncm-dbt-01 584748 500 177 86 237 +63.95 ± 14.91 1 22 114 111 2 +130.94 ± 31.98
425868 ncm-dbt-05 576251 500 160 81 259 +55.36 ± 14.79 2 22 122 103 1 +115.23 ± 30.81
425867 ncm-dbt-03 585970 500 170 76 254 +66.1 ± 14.03 0 19 119 111 1 +135.76 ± 31.16
425866 ncm-dbt-04 567561 500 153 87 260 +46.13 ± 14.18 0 28 128 94 0 +93.95 ± 30.03
425865 ncm-dbt-01 585506 500 168 90 242 +54.64 ± 14.89 0 28 118 102 2 +109.07 ± 31.43
425864 ncm-dbt-02 587707 500 169 97 234 +50.38 ± 14.0 0 25 128 97 0 +102.97 ± 29.98
425863 ncm-dbt-05 580406 500 171 89 240 +57.5 ± 13.22 0 17 134 99 0 +118.33 ± 28.9
425862 ncm-dbt-03 584117 500 169 83 248 +60.36 ± 14.62 0 25 115 109 1 +123.02 ± 31.84
425861 ncm-dbt-01 586435 500 169 97 234 +50.38 ± 14.68 0 30 118 102 0 +102.97 ± 31.44
425860 ncm-dbt-02 586731 500 173 99 228 +51.8 ± 13.94 0 23 131 95 1 +104.49 ± 29.52
425859 ncm-dbt-04 568355 500 188 78 234 +77.7 ± 13.56 0 12 118 118 2 +160.64 ± 31.07

Commit

Commit ID 18fdc2df3c1fe0eeaae26a9235fb9bc17221e9c0
Author maxim
Date 2023-07-16 13:16:14 UTC
Remove pawnKey from StateInfo Remove pawnKey since it is not used anymore. Passed Non-regression STC: https://tests.stockfishchess.org/tests/view/64b023110cdec37b9573265c LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 334848 W: 85440 L: 85545 D: 163863 Ptnml(0-2): 1134, 38101, 89075, 37964, 1150 closes https://github.com/official-stockfish/Stockfish/pull/4687 No functional change
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