Dev Builds » 20231021-0834

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 06:55:07 584599 3988 1365 710 1913 +57.59 ± 5.22 1 208 931 843 11 +116.57 ± 11.15
ncm-dbt-02 06:56:00 587647 4006 1380 693 1933 +60.18 ± 5.1 0 186 957 847 13 +121.65 ± 10.98
ncm-dbt-03 06:56:35 587680 3998 1384 699 1915 +60.12 ± 4.98 0 170 982 839 8 +122.5 ± 10.8
ncm-dbt-04 06:54:55 570867 4000 1392 679 1929 +62.6 ± 5.12 5 166 953 863 13 +127.96 ± 10.99
ncm-dbt-05 06:56:04 584359 4008 1403 697 1908 +61.85 ± 5.13 1 183 943 863 14 +125.31 ± 11.07
20000 6924 3478 9598 +60.47 ± 2.29 7 913 4766 4255 59 +122.79 ± 4.92

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
392907 ncm-dbt-02 587325 6 1 1 4 0.0 ± 11.34 0 0 3 0 0 -0.0 ± 10.15
392906 ncm-dbt-05 585928 8 1 0 7 +43.58 ± 76.58 0 0 3 1 0 +88.62 ± 172.94
392905 ncm-dbt-01 584916 488 160 88 240 +51.64 ± 13.6 0 20 132 92 0 +105.66 ± 29.21
392904 ncm-dbt-03 587113 498 190 86 222 +73.64 ± 14.91 0 22 103 122 2 +151.2 ± 33.71
392903 ncm-dbt-04 571391 500 170 84 246 +60.36 ± 14.21 0 20 127 100 3 +119.89 ± 30.01
392902 ncm-dbt-05 585885 500 188 81 231 +75.52 ± 14.08 0 15 116 116 3 +153.86 ± 31.51
392901 ncm-dbt-02 587707 500 176 99 225 +53.93 ± 14.05 0 24 125 101 0 +110.6 ± 30.39
392900 ncm-dbt-01 585928 500 164 95 241 +48.25 ± 15.09 0 34 113 103 0 +98.44 ± 32.13
392899 ncm-dbt-03 585632 500 180 83 237 +68.27 ± 13.97 0 18 118 113 1 +140.62 ± 31.28
392898 ncm-dbt-04 568792 500 173 85 242 +61.79 ± 15.47 1 28 104 116 1 +127.76 ± 33.49
392897 ncm-dbt-05 581569 500 169 84 247 +59.64 ± 14.04 0 22 121 107 0 +123.02 ± 30.92
392896 ncm-dbt-02 588174 500 174 85 241 +62.51 ± 14.17 0 19 126 102 3 +124.6 ± 30.12
392895 ncm-dbt-01 584453 500 174 76 250 +68.99 ± 14.7 1 18 116 112 3 +140.62 ± 31.61
392894 ncm-dbt-03 589924 500 162 92 246 +48.96 ± 13.93 0 24 133 92 1 +98.44 ± 29.27
392893 ncm-dbt-04 570789 500 179 84 237 +66.82 ± 14.34 0 19 120 108 3 +134.15 ± 31.01
392892 ncm-dbt-05 587155 500 181 92 227 +62.51 ± 14.58 0 22 120 105 3 +124.6 ± 31.07
392891 ncm-dbt-02 586943 500 165 86 249 +55.36 ± 15.31 0 31 111 106 2 +110.6 ± 32.43
392890 ncm-dbt-01 584243 500 170 84 246 +60.36 ± 14.89 0 25 117 105 3 +119.89 ± 31.55
392889 ncm-dbt-03 587070 500 170 85 245 +59.64 ± 14.32 0 23 120 106 1 +121.46 ± 31.09
392888 ncm-dbt-04 570949 500 157 83 260 +51.8 ± 14.08 0 24 129 96 1 +104.49 ± 29.82
392887 ncm-dbt-05 581361 500 172 81 247 +63.94 ± 14.37 0 21 119 108 2 +129.35 ± 31.2
392886 ncm-dbt-02 586139 500 174 79 247 +66.82 ± 14.34 0 21 114 114 1 +137.37 ± 31.96
392885 ncm-dbt-01 584285 500 169 109 222 +41.89 ± 14.48 0 31 129 89 1 +83.57 ± 29.93
392884 ncm-dbt-03 586943 500 168 85 247 +58.21 ± 14.25 0 23 122 104 1 +118.33 ± 30.8
392883 ncm-dbt-05 582360 500 180 86 234 +66.1 ± 14.86 0 24 110 114 2 +134.15 ± 32.59
392882 ncm-dbt-04 568514 500 175 79 246 +67.55 ± 14.37 1 18 116 114 1 +140.62 ± 31.61
392881 ncm-dbt-02 586985 500 174 92 234 +57.5 ± 15.54 0 30 112 104 4 +112.14 ± 32.29
392880 ncm-dbt-01 582277 500 181 86 233 +66.82 ± 15.29 0 27 103 118 2 +135.76 ± 33.67
392879 ncm-dbt-03 588047 500 168 84 248 +58.93 ± 14.01 0 20 128 100 2 +118.33 ± 29.86
392878 ncm-dbt-05 582945 500 171 85 244 +60.36 ± 14.62 1 23 115 111 0 +126.18 ± 31.84
392877 ncm-dbt-04 571672 500 178 89 233 +62.51 ± 14.72 1 22 115 111 1 +129.35 ± 31.83
392876 ncm-dbt-02 589497 500 169 91 240 +54.65 ± 14.08 0 24 124 102 0 +112.14 ± 30.53
392875 ncm-dbt-01 582861 500 170 88 242 +57.5 ± 15.16 0 30 109 110 1 +116.78 ± 32.73
392874 ncm-dbt-03 585464 500 167 91 242 +53.22 ± 13.59 0 21 132 97 0 +109.07 ± 29.32
392873 ncm-dbt-04 571913 500 177 91 232 +60.36 ± 15.02 2 20 121 104 3 +123.02 ± 30.92
392872 ncm-dbt-02 589368 500 169 83 248 +60.36 ± 14.49 0 22 123 102 3 +119.89 ± 30.63
392871 ncm-dbt-05 587240 500 162 94 244 +47.55 ± 14.13 0 27 128 95 0 +96.94 ± 30.02
392870 ncm-dbt-01 587834 500 177 84 239 +65.38 ± 14.56 0 23 112 114 1 +134.15 ± 32.28
392869 ncm-dbt-04 572921 500 183 84 233 +69.71 ± 13.44 0 15 121 114 0 +145.54 ± 30.73
392868 ncm-dbt-03 591254 500 179 93 228 +60.36 ± 13.65 0 19 126 105 0 +124.6 ± 30.12
392867 ncm-dbt-02 586689 500 178 77 245 +71.16 ± 13.49 0 15 119 116 0 +148.85 ± 31.04
392866 ncm-dbt-05 584790 500 179 94 227 +59.64 ± 15.51 0 29 111 106 4 +116.78 ± 32.44

Commit

Commit ID e18619d07802882136b583a01e56791b61abede6
Author Taras Vuk
Date 2023-10-21 08:34:12 UTC
Subtract the margin from the value returned by ProbCut This patch subtracts the margin from the value returned by ProbCut. Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 46112 W: 11940 L: 11610 D: 22562 Ptnml(0-2): 131, 5318, 11842, 5620, 145 https://tests.stockfishchess.org/tests/view/652ea42ade6d262d08d329dd Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 86880 W: 22192 L: 21776 D: 42912 Ptnml(0-2): 43, 9213, 24510, 9633, 41 https://tests.stockfishchess.org/tests/view/652f70ffde6d262d08d33e8d closes https://github.com/official-stockfish/Stockfish/pull/4835 bench: 1135313
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