Dev Builds » 20231230-1005

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 06:54:53 582991 4000 1418 658 1924 +66.82 ± 5.1 4 160 918 908 10 +137.78 ± 11.22
ncm-dbt-02 06:54:01 585002 4000 1389 646 1965 +65.29 ± 5.04 2 161 937 892 8 +134.35 ± 11.09
ncm-dbt-03 06:55:43 583783 4020 1445 658 1917 +68.91 ± 5.08 2 160 907 931 10 +142.08 ± 11.29
ncm-dbt-04 06:54:14 569003 4000 1403 630 1967 +68.0 ± 5.02 3 150 925 915 7 +140.83 ± 11.16
ncm-dbt-05 06:56:09 580527 3980 1429 654 1897 +68.53 ± 5.0 3 144 924 913 6 +142.23 ± 11.16
20000 7084 3246 9670 +67.51 ± 2.26 14 775 4611 4559 41 +139.44 ± 5.0

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
421051 ncm-dbt-03 582819 20 6 5 9 +17.38 ± 58.75 0 1 7 2 0 +34.86 ± 122.07
421050 ncm-dbt-05 579620 480 169 78 233 +66.67 ± 14.91 0 23 103 114 0 +138.66 ± 33.7
421049 ncm-dbt-04 570589 500 178 81 241 +68.27 ± 12.77 0 10 134 105 1 +140.62 ± 28.51
421048 ncm-dbt-01 582027 500 180 88 232 +64.67 ± 14.26 1 19 117 113 0 +135.76 ± 31.48
421047 ncm-dbt-02 583992 500 170 74 256 +67.54 ± 14.51 0 20 117 110 3 +135.76 ± 31.48
421046 ncm-dbt-03 583740 500 159 78 263 +56.78 ± 14.19 0 24 121 105 0 +116.78 ± 30.96
421045 ncm-dbt-05 578136 500 185 76 239 +76.98 ± 13.83 1 13 112 124 0 +164.07 ± 32.12
421044 ncm-dbt-01 587155 500 183 79 238 +73.33 ± 13.57 0 13 122 113 2 +150.51 ± 30.49
421043 ncm-dbt-04 569709 500 173 81 246 +64.67 ± 14.12 1 18 119 112 0 +135.76 ± 31.16
421042 ncm-dbt-02 583782 500 181 80 239 +71.16 ± 13.64 0 13 126 108 3 +143.89 ± 29.88
421041 ncm-dbt-03 583614 500 181 95 224 +60.36 ± 14.07 0 21 123 105 1 +123.02 ± 30.61
421040 ncm-dbt-05 577233 500 176 86 238 +63.23 ± 14.06 0 19 124 105 2 +127.76 ± 30.41
421039 ncm-dbt-01 581735 500 170 83 247 +61.08 ± 14.52 1 22 116 111 0 +127.76 ± 31.68
421038 ncm-dbt-04 570789 500 181 82 237 +69.71 ± 14.17 0 18 117 113 2 +142.26 ± 31.44
421037 ncm-dbt-02 585042 500 165 77 258 +61.79 ± 14.95 1 24 112 112 1 +127.76 ± 32.29
421036 ncm-dbt-03 584537 500 194 82 224 +79.17 ± 14.34 0 17 106 125 2 +164.07 ± 33.19
421035 ncm-dbt-05 582527 500 181 80 239 +71.16 ± 14.64 0 22 106 121 1 +147.19 ± 33.22
421034 ncm-dbt-01 582360 500 171 73 256 +68.99 ± 14.97 0 25 103 121 1 +142.26 ± 33.69
421033 ncm-dbt-04 568713 500 166 72 262 +66.1 ± 14.31 0 22 112 116 0 +137.37 ± 32.27
421032 ncm-dbt-02 583489 500 169 73 258 +67.55 ± 13.8 0 18 118 114 0 +140.62 ± 31.28
421031 ncm-dbt-03 582277 500 169 86 245 +58.21 ± 13.97 0 21 126 102 1 +118.33 ± 30.18
421030 ncm-dbt-05 580033 500 188 82 230 +74.79 ± 13.91 1 13 116 119 1 +157.24 ± 31.47
421029 ncm-dbt-01 582444 500 173 80 247 +65.38 ± 14.97 0 25 109 114 2 +132.54 ± 32.75
421028 ncm-dbt-04 568474 500 163 87 250 +53.22 ± 14.95 2 25 118 105 0 +112.14 ± 31.42
421027 ncm-dbt-02 586350 500 169 91 240 +54.65 ± 14.22 1 21 128 99 1 +112.14 ± 29.92
421026 ncm-dbt-03 583698 500 179 92 229 +61.07 ± 14.52 0 24 116 109 1 +124.6 ± 31.69
421025 ncm-dbt-05 581070 500 185 77 238 +76.25 ± 12.89 0 10 122 118 0 +160.64 ± 30.32
421024 ncm-dbt-01 581735 500 172 92 236 +56.07 ± 14.83 1 25 118 105 1 +115.23 ± 31.41
421023 ncm-dbt-04 568673 500 175 73 252 +71.88 ± 14.67 0 21 108 119 2 +147.19 ± 32.89
421022 ncm-dbt-02 585885 500 183 82 235 +71.16 ± 13.79 0 17 115 118 0 +148.85 ± 31.72
421021 ncm-dbt-03 585084 500 182 81 237 +71.16 ± 14.78 1 20 107 121 1 +148.85 ± 33.05
421020 ncm-dbt-05 582110 500 179 86 235 +65.38 ± 14.29 0 21 116 112 1 +134.15 ± 31.65
421019 ncm-dbt-01 583405 500 184 84 232 +70.43 ± 14.2 0 18 116 114 2 +143.89 ± 31.59
421018 ncm-dbt-02 586012 500 179 86 235 +65.38 ± 14.0 0 20 117 113 0 +135.76 ± 31.48
421017 ncm-dbt-04 567958 500 181 80 239 +71.16 ± 14.5 0 21 108 120 1 +147.19 ± 32.89
421016 ncm-dbt-03 585042 500 184 75 241 +76.98 ± 14.7 1 19 100 130 0 +164.07 ± 34.22
421015 ncm-dbt-01 583070 500 185 79 236 +74.79 ± 14.06 1 13 117 117 2 +155.54 ± 31.31
421014 ncm-dbt-02 585464 500 173 83 244 +63.23 ± 15.01 0 28 104 118 0 +130.94 ± 33.5
421013 ncm-dbt-04 567126 500 186 74 240 +79.17 ± 13.9 0 15 109 125 1 +165.8 ± 32.64
421012 ncm-dbt-05 583489 500 166 89 245 +53.93 ± 14.46 1 23 125 100 1 +110.6 ± 30.39
421011 ncm-dbt-03 583237 500 191 64 245 +90.22 ± 14.31 0 13 101 132 4 +187.16 ± 33.99

Commit

Commit ID bab1cc300cbf1929fe42bdbce786a22dd97c8e1b
Author FauziAkram
Date 2023-12-30 10:05:19 UTC
Refactor bestvalue adjustment in qsearch closes https://github.com/official-stockfish/Stockfish/pull/4935 No functional change
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