Dev Builds » 20231202-1040

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 06:56:30 584177 4008 1372 642 1994 +63.99 ± 5.08 3 169 935 889 8 +131.65 ± 11.11
ncm-dbt-02 06:56:51 587092 3998 1350 717 1931 +55.48 ± 5.08 4 184 996 805 10 +112.78 ± 10.73
ncm-dbt-03 06:55:33 586248 4000 1356 679 1965 +59.37 ± 5.19 4 189 946 848 13 +120.67 ± 11.05
ncm-dbt-04 06:55:56 570867 3994 1349 678 1967 +58.93 ± 5.13 2 190 948 849 8 +120.28 ± 11.04
ncm-dbt-05 06:55:23 584038 4000 1408 700 1892 +62.15 ± 4.97 4 149 992 845 10 +127.36 ± 10.72
20000 6835 3416 9749 +59.98 ± 2.28 17 881 4817 4236 49 +122.51 ± 4.89

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
402855 ncm-dbt-01 585590 8 3 1 4 +88.62 ± 93.84 0 0 2 2 0 +190.67 ± 458.56
402854 ncm-dbt-04 570869 494 177 107 210 +49.56 ± 14.09 0 24 130 92 1 +99.71 ± 29.65
402853 ncm-dbt-02 585632 498 158 85 255 +51.3 ± 14.64 1 25 124 98 1 +104.94 ± 30.55
402852 ncm-dbt-03 583992 500 178 79 243 +69.71 ± 13.74 0 16 120 113 1 +143.89 ± 30.92
402851 ncm-dbt-01 586181 500 155 75 270 +56.07 ± 14.56 2 21 122 105 0 +118.33 ± 30.8
402850 ncm-dbt-05 582068 500 176 83 241 +65.38 ± 14.42 1 18 120 109 2 +134.15 ± 31.01
402849 ncm-dbt-04 571391 500 164 82 254 +57.5 ± 15.41 1 28 111 108 2 +116.78 ± 32.44
402848 ncm-dbt-02 588430 500 174 81 245 +65.38 ± 14.29 0 21 116 112 1 +134.15 ± 31.65
402847 ncm-dbt-03 585590 500 170 91 239 +55.36 ± 14.53 0 23 129 94 4 +107.54 ± 29.8
402846 ncm-dbt-05 582027 500 178 92 230 +60.36 ± 14.35 0 23 119 107 1 +123.02 ± 31.23
402845 ncm-dbt-01 584790 500 169 84 247 +59.64 ± 14.18 0 21 125 102 2 +119.89 ± 30.32
402844 ncm-dbt-04 568673 500 177 79 244 +68.99 ± 14.42 0 19 117 111 3 +138.99 ± 31.46
402843 ncm-dbt-02 586901 500 175 88 237 +61.07 ± 13.82 0 18 129 101 2 +123.02 ± 29.65
402842 ncm-dbt-05 585717 500 182 94 224 +61.79 ± 14.27 0 20 125 102 3 +123.02 ± 30.3
402841 ncm-dbt-03 586393 500 165 86 249 +55.36 ± 16.42 4 28 105 111 2 +116.78 ± 33.3
402840 ncm-dbt-01 584874 500 171 78 251 +65.38 ± 14.29 0 22 113 115 0 +135.76 ± 32.12
402839 ncm-dbt-04 569669 500 169 77 254 +64.66 ± 14.26 0 21 117 111 1 +132.54 ± 31.5
402838 ncm-dbt-02 590267 500 166 86 248 +56.07 ± 14.7 2 21 123 103 1 +116.78 ± 30.65
402837 ncm-dbt-03 585337 500 163 76 261 +61.07 ± 14.65 0 25 114 110 1 +124.6 ± 31.99
402836 ncm-dbt-05 584285 500 183 83 234 +70.44 ± 13.47 1 12 123 114 0 +148.85 ± 30.34
402835 ncm-dbt-01 583447 500 175 82 243 +65.38 ± 14.7 0 24 110 115 1 +134.15 ± 32.59
402834 ncm-dbt-04 572437 500 171 83 246 +61.79 ± 14.27 0 23 116 111 0 +127.76 ± 31.68
402833 ncm-dbt-02 585717 500 173 96 231 +53.93 ± 14.59 0 26 123 99 2 +107.54 ± 30.7
402832 ncm-dbt-03 587834 500 169 77 254 +64.66 ± 14.26 0 22 114 114 0 +134.15 ± 31.97
402831 ncm-dbt-05 585126 500 170 78 252 +64.66 ± 14.12 1 17 122 109 1 +134.15 ± 30.68
402830 ncm-dbt-01 584874 500 176 87 237 +62.51 ± 14.72 1 21 118 108 2 +127.76 ± 31.37
402829 ncm-dbt-04 571752 500 154 91 255 +44.01 ± 14.47 1 28 128 93 0 +90.97 ± 30.05
402828 ncm-dbt-02 589454 500 170 93 237 +53.93 ± 13.91 1 18 136 93 2 +109.07 ± 28.7
402827 ncm-dbt-03 586689 500 179 80 241 +69.71 ± 14.31 0 18 118 111 3 +140.62 ± 31.28
402826 ncm-dbt-05 585337 500 169 90 241 +55.36 ± 15.06 1 26 118 103 2 +112.14 ± 31.42
402825 ncm-dbt-01 581153 500 177 83 240 +66.1 ± 14.45 0 22 113 114 1 +135.76 ± 32.12
402824 ncm-dbt-02 584622 500 163 88 249 +52.51 ± 14.25 0 26 123 101 0 +107.54 ± 30.7
402823 ncm-dbt-04 569549 500 177 79 244 +68.99 ± 14.7 0 23 107 119 1 +142.26 ± 33.06
402822 ncm-dbt-05 582027 500 172 78 250 +66.1 ± 12.53 0 9 139 101 1 +135.76 ± 27.72
402821 ncm-dbt-01 583698 500 165 69 266 +67.54 ± 14.92 0 24 108 116 2 +137.37 ± 32.9
402820 ncm-dbt-03 585337 500 167 88 245 +55.36 ± 14.79 0 28 116 105 1 +112.14 ± 31.71
402819 ncm-dbt-04 572598 500 160 80 260 +56.07 ± 14.15 0 24 122 104 0 +115.23 ± 30.81
402818 ncm-dbt-02 585717 500 171 100 229 +49.67 ± 14.64 0 29 122 98 1 +99.95 ± 30.87
402817 ncm-dbt-01 582987 500 181 83 236 +68.99 ± 13.26 0 14 124 112 0 +143.89 ± 30.23
402816 ncm-dbt-03 588813 500 165 102 233 +44.01 ± 14.33 0 29 130 90 1 +88.0 ± 29.77
402815 ncm-dbt-05 585717 500 178 102 220 +53.22 ± 14.01 0 24 126 100 0 +109.07 ± 30.24

Commit

Commit ID 7dc40ac6437ec96d312e387b76573e5c496bd0b6
Author FauziAkram
Date 2023-12-02 10:40:36 UTC
Simplify quietMoveMalus malus Use a simple depth instead of depth + 1 in the quietMoveMalus formula. Passed STC: https://tests.stockfishchess.org/tests/view/65636bf0136acbc57354b662 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 105248 W: 26680 L: 26532 D: 52036 Ptnml(0-2): 409, 12590, 26481, 12732, 412 Passed LTC: https://tests.stockfishchess.org/tests/view/6563b5db136acbc57354bcab LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 204204 W: 50200 L: 50166 D: 103838 Ptnml(0-2): 123, 23331, 55145, 23395, 108 closes https://github.com/official-stockfish/Stockfish/pull/4893 Bench: 1717495
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