Dev Builds » 20230716-1318

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 06:55:49 584281 4000 1303 687 2010 +53.93 ± 5.12 3 202 978 810 7 +109.83 ± 10.86
ncm-dbt-02 06:52:37 586186 4000 1363 673 1964 +60.54 ± 5.01 0 174 969 850 7 +123.61 ± 10.89
ncm-dbt-03 06:52:00 587576 4000 1352 753 1895 +52.42 ± 5.08 3 199 1002 788 8 +106.39 ± 10.71
ncm-dbt-04 06:53:03 570822 4000 1345 695 1960 +56.96 ± 4.99 0 179 1001 811 9 +115.42 ± 10.69
ncm-dbt-05 06:55:39 584407 4000 1365 714 1921 +57.05 ± 5.12 4 187 973 826 10 +116.19 ± 10.88
20000 6728 3522 9750 +56.18 ± 2.27 10 941 4923 4085 41 +114.26 ± 4.83

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
404194 ncm-dbt-05 580116 500 175 88 237 +61.08 ± 14.65 2 20 117 111 0 +129.35 ± 31.52
404193 ncm-dbt-01 586054 500 153 81 266 +50.38 ± 14.28 0 26 127 96 1 +101.46 ± 30.14
404192 ncm-dbt-02 588558 500 169 90 241 +55.36 ± 14.26 0 24 124 101 1 +112.14 ± 30.53
404191 ncm-dbt-03 585379 500 155 113 232 +29.25 ± 15.22 3 33 135 77 2 +60.36 ± 29.19
404190 ncm-dbt-04 569589 500 157 89 254 +47.54 ± 13.57 0 22 139 88 1 +95.44 ± 28.38
404189 ncm-dbt-01 584664 500 170 81 249 +62.51 ± 14.72 1 21 118 108 2 +127.76 ± 31.37
404188 ncm-dbt-05 585843 500 162 93 245 +48.25 ± 14.83 0 30 123 95 2 +95.44 ± 30.74
404187 ncm-dbt-03 587113 500 169 81 250 +61.79 ± 14.55 0 23 118 107 2 +124.6 ± 31.38
404186 ncm-dbt-02 586435 500 170 86 244 +58.93 ± 14.56 0 24 120 104 2 +118.33 ± 31.1
404185 ncm-dbt-04 572074 500 166 80 254 +60.36 ± 13.93 0 20 125 104 1 +123.02 ± 30.3
404184 ncm-dbt-01 584117 500 159 87 254 +50.38 ± 14.94 1 29 117 103 0 +104.49 ± 31.58
404183 ncm-dbt-02 586393 500 184 88 228 +67.54 ± 14.23 0 20 115 114 1 +138.99 ± 31.79
404182 ncm-dbt-05 583866 500 165 89 246 +53.22 ± 14.15 0 24 127 98 1 +107.54 ± 30.1
404181 ncm-dbt-04 569031 500 178 87 235 +63.94 ± 14.5 0 21 120 106 3 +127.76 ± 31.05
404180 ncm-dbt-03 588558 500 174 86 240 +61.79 ± 14.41 0 22 120 106 2 +124.6 ± 31.07
404179 ncm-dbt-01 583447 500 158 95 247 +44.01 ± 13.92 0 27 133 90 0 +89.48 ± 29.33
404178 ncm-dbt-02 585843 500 177 82 241 +66.82 ± 14.2 0 20 116 113 1 +137.37 ± 31.63
404177 ncm-dbt-05 585464 500 177 88 235 +62.51 ± 14.58 1 22 114 113 0 +130.94 ± 31.98
404176 ncm-dbt-03 588047 500 166 95 239 +49.67 ± 14.1 0 25 130 94 1 +99.95 ± 29.7
404175 ncm-dbt-04 569190 500 174 82 244 +64.66 ± 13.97 0 19 121 109 1 +132.54 ± 30.86
404174 ncm-dbt-01 584748 500 171 85 244 +60.36 ± 14.21 0 23 118 109 0 +124.6 ± 31.38
404173 ncm-dbt-02 584537 500 172 71 257 +71.16 ± 13.79 0 17 115 118 0 +148.85 ± 31.72
404172 ncm-dbt-03 588430 500 187 88 225 +69.71 ± 14.17 0 19 114 116 1 +143.89 ± 31.92
404171 ncm-dbt-05 583992 500 168 90 242 +54.64 ± 14.08 0 23 127 99 1 +110.6 ± 30.08
404170 ncm-dbt-04 570629 500 167 101 232 +46.13 ± 14.58 0 30 125 94 1 +92.46 ± 30.47
404169 ncm-dbt-02 588217 500 155 87 258 +47.54 ± 14.4 0 28 127 94 1 +95.44 ± 30.17
404168 ncm-dbt-01 582819 500 172 92 236 +56.07 ± 14.83 0 28 115 106 1 +113.68 ± 31.86
404167 ncm-dbt-03 586097 500 170 95 235 +52.51 ± 13.84 0 23 129 98 0 +107.54 ± 29.8
404166 ncm-dbt-04 571632 500 166 88 246 +54.64 ± 14.08 0 23 127 99 1 +110.6 ± 30.08
404165 ncm-dbt-05 587028 500 173 80 247 +65.38 ± 14.29 0 21 116 112 1 +134.15 ± 31.65
404164 ncm-dbt-02 583112 500 172 85 243 +61.07 ± 14.65 0 25 114 110 1 +124.6 ± 31.99
404163 ncm-dbt-03 588472 500 157 104 239 +36.97 ± 13.9 0 30 137 83 0 +74.79 ± 28.85
404162 ncm-dbt-01 583489 500 164 81 255 +58.21 ± 14.25 0 21 128 98 3 +115.23 ± 29.89
404161 ncm-dbt-04 571431 500 169 80 251 +62.51 ± 13.74 0 19 123 108 0 +129.35 ± 30.56
404160 ncm-dbt-05 584285 500 173 103 224 +48.96 ± 13.93 0 22 139 86 3 +95.44 ± 28.38
404159 ncm-dbt-02 586393 500 164 84 252 +56.07 ± 13.0 0 16 138 96 0 +115.23 ± 28.29
404158 ncm-dbt-03 588515 500 174 91 235 +58.21 ± 14.25 0 24 119 107 0 +119.89 ± 31.25
404157 ncm-dbt-04 573002 500 168 88 244 +56.07 ± 14.43 0 25 121 103 1 +113.68 ± 30.97
404156 ncm-dbt-05 584664 500 172 83 245 +62.51 ± 15.24 1 25 110 112 2 +127.76 ± 32.59
404155 ncm-dbt-01 584916 500 156 85 259 +49.67 ± 14.64 1 27 122 100 0 +102.97 ± 30.86

Commit

Commit ID 913574f42123d16b0b473dcd8e373e95d3103633
Author Michael Chaly
Date 2023-07-16 13:18:41 UTC
Remove improvement variable No longer used in a meaningful way. Improve comments. Closes https://github.com/official-stockfish/Stockfish/pull/4688 No functional change
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