Dev Builds » 20230531-0654

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 06:56:32 583265 3998 1340 747 1911 +51.92 ± 5.08 3 200 1004 785 7 +105.5 ± 10.7
ncm-dbt-02 06:56:00 585296 3986 1251 781 1954 +41.16 ± 5.05 2 236 1049 702 4 +83.14 ± 10.45
ncm-dbt-03 06:57:29 585424 4016 1312 768 1936 +47.35 ± 5.02 1 216 1034 752 5 +95.79 ± 10.53
ncm-dbt-04 06:56:01 571364 4008 1329 788 1891 +47.18 ± 5.05 2 212 1043 737 10 +94.68 ± 10.47
ncm-dbt-05 06:57:09 585129 3992 1315 737 1940 +50.66 ± 5.05 2 202 1014 772 6 +102.81 ± 10.63
20000 6547 3821 9632 +47.65 ± 2.26 10 1066 5144 3748 32 +96.34 ± 4.72

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
408811 ncm-dbt-04 570989 8 4 2 2 +88.62 ± 93.84 0 0 2 2 0 +190.67 ± 458.56
408810 ncm-dbt-03 585211 16 4 3 9 +21.74 ± 96.86 0 2 3 3 0 +43.66 ± 216.48
408809 ncm-dbt-02 583028 486 156 100 230 +40.21 ± 14.43 1 27 130 85 0 +83.04 ± 29.68
408808 ncm-dbt-01 583824 498 166 85 247 +57.02 ± 13.82 0 20 129 99 1 +115.72 ± 29.71
408807 ncm-dbt-05 587113 492 154 83 255 +50.49 ± 14.04 0 24 127 95 0 +103.21 ± 30.06
408806 ncm-dbt-04 569709 500 155 101 244 +37.67 ± 13.67 0 28 140 82 0 +76.25 ± 28.4
408805 ncm-dbt-03 587494 500 155 92 253 +44.01 ± 14.6 0 31 126 92 1 +88.0 ± 30.34
408804 ncm-dbt-02 586985 500 157 106 237 +35.56 ± 14.48 0 35 129 86 0 +71.89 ± 29.97
408803 ncm-dbt-01 580282 500 167 87 246 +56.07 ± 14.83 0 28 115 106 1 +113.68 ± 31.86
408802 ncm-dbt-05 584916 500 149 98 253 +35.56 ± 14.74 0 35 131 82 2 +68.99 ± 29.71
408801 ncm-dbt-04 567918 500 173 106 221 +46.84 ± 14.09 0 25 135 88 2 +92.46 ± 29.02
408800 ncm-dbt-03 583447 500 163 91 246 +50.38 ± 14.94 1 29 117 103 0 +104.49 ± 31.58
408799 ncm-dbt-02 584327 500 159 94 247 +45.42 ± 14.14 0 27 132 90 1 +90.97 ± 29.47
408798 ncm-dbt-01 583154 500 171 97 232 +51.8 ± 14.88 0 29 120 99 2 +102.97 ± 31.15
408797 ncm-dbt-05 582861 500 172 105 223 +46.84 ± 14.09 1 23 135 90 1 +95.44 ± 28.99
408796 ncm-dbt-04 571029 500 172 106 222 +46.13 ± 13.63 1 20 142 86 1 +93.95 ± 27.94
408795 ncm-dbt-03 583028 500 169 87 244 +57.5 ± 14.36 0 24 121 104 1 +116.78 ± 30.96
408794 ncm-dbt-02 588771 500 157 86 257 +49.67 ± 14.24 0 25 131 92 2 +98.44 ± 29.57
408793 ncm-dbt-05 583782 500 159 88 253 +49.67 ± 14.38 0 28 123 99 0 +101.46 ± 30.72
408792 ncm-dbt-01 580655 500 153 95 252 +40.49 ± 14.26 1 28 133 88 0 +83.57 ± 29.37
408791 ncm-dbt-04 572155 500 160 91 249 +48.25 ± 14.96 0 30 124 93 3 +93.95 ± 30.6
408790 ncm-dbt-03 585801 500 161 103 236 +40.48 ± 14.12 0 30 132 88 0 +82.1 ± 29.52
408789 ncm-dbt-02 583866 500 154 92 254 +43.3 ± 14.56 0 32 124 94 0 +88.0 ± 30.62
408788 ncm-dbt-01 583028 500 165 107 228 +40.49 ± 13.57 1 23 143 83 0 +83.57 ± 27.9
408787 ncm-dbt-05 585421 500 160 96 244 +44.72 ± 14.24 0 27 134 87 2 +88.0 ± 29.2
408786 ncm-dbt-04 569709 500 182 110 208 +50.38 ± 14.41 1 24 128 96 1 +102.97 ± 29.98
408785 ncm-dbt-03 586097 500 165 106 229 +41.19 ± 13.62 0 26 139 85 0 +83.57 ± 28.49
408784 ncm-dbt-02 587494 500 157 104 239 +36.97 ± 14.7 0 35 128 86 1 +73.34 ± 30.1
408783 ncm-dbt-01 583279 500 174 91 235 +58.21 ± 15.32 1 26 115 105 3 +116.78 ± 31.85
408782 ncm-dbt-05 585843 500 184 79 237 +74.06 ± 13.44 0 13 120 116 1 +153.86 ± 30.8
408781 ncm-dbt-04 572558 500 147 97 256 +34.86 ± 13.9 0 31 138 81 0 +70.44 ± 28.73
408780 ncm-dbt-03 585801 500 160 87 253 +51.09 ± 14.72 0 29 120 100 1 +102.97 ± 31.15
408779 ncm-dbt-02 583572 500 153 97 250 +39.08 ± 14.17 0 31 132 87 0 +79.17 ± 29.53
408778 ncm-dbt-05 586097 500 168 100 232 +47.55 ± 14.26 0 28 126 96 0 +96.94 ± 30.31
408777 ncm-dbt-01 586181 500 172 101 227 +49.67 ± 13.97 0 25 129 96 0 +101.46 ± 29.84
408776 ncm-dbt-04 571592 500 170 89 241 +56.78 ± 14.32 0 24 122 103 1 +115.23 ± 30.81
408775 ncm-dbt-03 585084 500 172 102 226 +48.96 ± 14.2 0 25 132 91 2 +96.94 ± 29.43
408774 ncm-dbt-02 584327 500 158 102 240 +39.08 ± 13.62 1 24 143 82 0 +80.63 ± 27.93
408773 ncm-dbt-01 585717 500 172 84 244 +61.79 ± 13.99 0 21 120 109 0 +127.76 ± 31.05
408772 ncm-dbt-04 576619 500 166 86 248 +56.07 ± 15.22 0 30 112 106 2 +112.14 ± 32.29
408771 ncm-dbt-05 585000 500 169 88 243 +56.79 ± 14.6 1 24 118 107 0 +118.33 ± 31.4
408770 ncm-dbt-03 586858 500 163 97 240 +46.13 ± 13.05 0 20 144 86 0 +93.95 ± 27.63

Commit

Commit ID 07bd8adcbce41f076c36f4b65c7f9a786de0b02d
Author Linmiao Xu
Date 2023-05-31 06:54:38 UTC
Simplify nnue eval complexity calculation Remove a multiplier when blending nnue complexity with semi-classical complexity. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/6473a71dd29264e4cfa75839 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 124768 W: 33180 L: 33060 D: 58528 Ptnml(0-2): 314, 13797, 34030, 13941, 302 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/6474af3dd29264e4cfa768f4 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 108180 W: 29008 L: 28884 D: 50288 Ptnml(0-2): 29, 10420, 33075, 10530, 36 closes https://github.com/official-stockfish/Stockfish/pull/4592 bench 2316827
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