Dev Builds » 20231008-0556

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 06:54:40 584337 4000 1372 697 1931 +59.2 ± 4.92 1 162 1004 827 6 +121.06 ± 10.66
ncm-dbt-02 06:55:17 587465 4000 1379 683 1938 +61.08 ± 5.05 1 172 968 848 11 +124.2 ± 10.9
ncm-dbt-03 06:55:34 586579 4012 1387 650 1975 +64.56 ± 5.08 0 172 938 883 13 +131.31 ± 11.09
ncm-dbt-04 06:53:25 571438 4000 1380 690 1930 +60.54 ± 4.92 1 156 1003 832 8 +123.61 ± 10.66
ncm-dbt-05 06:56:20 586335 3988 1376 713 1899 +58.3 ± 5.01 1 177 980 830 6 +119.11 ± 10.82
20000 6894 3433 9673 +60.73 ± 2.23 4 839 4893 4220 44 +123.85 ± 4.84

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
392949 ncm-dbt-03 588686 12 5 2 5 +88.71 ± 118.59 0 1 1 4 0 +190.85 ± 619.3
392948 ncm-dbt-05 588771 488 175 82 231 +67.03 ± 14.6 0 20 113 109 2 +136.14 ± 32.07
392947 ncm-dbt-04 569310 500 185 83 232 +71.88 ± 13.96 0 15 121 111 3 +145.54 ± 30.73
392946 ncm-dbt-02 586858 500 163 75 262 +61.79 ± 13.71 0 19 124 107 0 +127.76 ± 30.41
392945 ncm-dbt-01 586774 500 174 93 233 +56.78 ± 14.73 0 26 119 103 2 +113.68 ± 31.27
392944 ncm-dbt-03 585295 500 187 73 240 +80.63 ± 14.09 0 16 105 128 1 +169.27 ± 33.34
392943 ncm-dbt-05 587240 500 173 89 238 +58.93 ± 14.15 0 22 123 104 1 +119.89 ± 30.63
392942 ncm-dbt-04 573042 500 172 81 247 +63.94 ± 13.94 0 18 125 105 2 +129.35 ± 30.24
392941 ncm-dbt-02 587622 500 175 91 234 +58.93 ± 14.56 0 23 123 101 3 +116.78 ± 30.65
392940 ncm-dbt-01 584201 500 167 79 254 +61.79 ± 13.71 0 19 124 107 0 +127.76 ± 30.41
392939 ncm-dbt-03 587919 500 183 84 233 +69.71 ± 13.88 0 17 118 114 1 +143.89 ± 31.26
392938 ncm-dbt-05 586012 500 173 86 241 +61.07 ± 13.82 0 20 123 107 0 +126.18 ± 30.59
392937 ncm-dbt-04 571351 500 161 95 244 +46.13 ± 14.05 0 27 130 93 0 +93.95 ± 29.74
392936 ncm-dbt-02 588771 500 179 100 221 +55.36 ± 14.26 0 25 121 104 0 +113.68 ± 30.97
392935 ncm-dbt-01 584117 500 178 89 233 +62.51 ± 13.59 0 18 125 107 0 +129.35 ± 30.24
392934 ncm-dbt-03 587155 500 159 83 258 +53.22 ± 13.44 0 19 137 93 1 +107.54 ± 28.56
392933 ncm-dbt-05 581569 500 167 90 243 +53.93 ± 14.46 0 25 125 98 2 +107.54 ± 30.4
392932 ncm-dbt-01 578918 500 169 90 241 +55.36 ± 13.41 0 18 136 95 1 +112.14 ± 28.66
392931 ncm-dbt-04 570509 500 178 107 215 +49.67 ± 12.96 0 18 143 89 0 +101.46 ± 27.68
392930 ncm-dbt-02 586393 500 174 81 245 +65.38 ± 13.72 0 18 121 111 0 +135.76 ± 30.83
392929 ncm-dbt-03 585801 500 155 82 263 +51.09 ± 14.72 0 29 120 100 1 +102.97 ± 31.15
392928 ncm-dbt-05 586181 500 173 84 243 +62.51 ± 14.31 0 23 115 112 0 +129.35 ± 31.83
392927 ncm-dbt-04 570749 500 171 81 248 +63.23 ± 13.77 0 17 128 103 2 +127.76 ± 29.76
392926 ncm-dbt-01 588047 500 166 82 252 +58.93 ± 13.29 0 17 132 101 0 +121.46 ± 29.18
392925 ncm-dbt-02 585928 500 164 83 253 +56.78 ± 14.46 0 24 123 101 2 +113.68 ± 30.67
392924 ncm-dbt-03 588047 500 177 88 235 +62.51 ± 14.44 0 23 116 110 1 +127.76 ± 31.68
392923 ncm-dbt-04 571511 500 172 73 255 +69.71 ± 14.45 0 22 107 121 0 +145.54 ± 33.06
392922 ncm-dbt-05 582569 500 171 95 234 +53.22 ± 14.29 0 26 122 102 0 +109.07 ± 30.84
392921 ncm-dbt-01 584117 500 169 81 250 +61.79 ± 14.68 1 22 116 110 1 +127.76 ± 31.68
392920 ncm-dbt-02 588174 500 175 82 243 +65.38 ± 14.7 0 22 116 109 3 +130.94 ± 31.66
392919 ncm-dbt-03 585674 500 173 85 242 +61.79 ± 14.95 0 25 115 107 3 +123.02 ± 31.84
392918 ncm-dbt-04 572477 500 184 86 230 +68.99 ± 12.96 1 8 134 106 1 +143.89 ± 28.44
392917 ncm-dbt-05 586139 500 180 95 225 +59.64 ± 14.04 1 19 124 106 0 +124.6 ± 30.44
392916 ncm-dbt-02 585928 500 180 80 240 +70.44 ± 14.75 1 19 111 117 2 +145.54 ± 32.41
392915 ncm-dbt-01 583950 500 169 80 251 +62.51 ± 13.74 0 18 126 105 1 +127.76 ± 30.09
392914 ncm-dbt-03 584243 500 181 74 245 +75.52 ± 14.79 0 21 103 124 2 +155.54 ± 33.71
392913 ncm-dbt-04 572558 500 157 84 259 +51.09 ± 14.85 0 31 115 104 0 +104.49 ± 31.86
392912 ncm-dbt-02 590053 500 169 91 240 +54.64 ± 13.94 0 22 129 98 1 +110.6 ± 29.78
392911 ncm-dbt-03 586393 500 167 79 254 +61.79 ± 14.41 0 21 123 103 3 +123.02 ± 30.61
392910 ncm-dbt-01 584579 500 180 103 217 +53.93 ± 14.19 0 24 126 99 1 +109.07 ± 30.24
392909 ncm-dbt-05 592202 500 164 92 244 +50.38 ± 13.72 0 22 135 92 1 +101.46 ± 28.94

Commit

Commit ID 7a4de96159f76f2465d474d76e08a1c8ca3383b8
Author Taras Vuk
Date 2023-10-08 05:56:07 UTC
Skip futility pruning if ttMove has bad history Passed STC: LLR: 2.96 (-2.94,2.94) <0.00,2.00> Total: 52416 W: 13465 L: 13128 D: 25823 Ptnml(0-2): 128, 6024, 13604, 6287, 165 https://tests.stockfishchess.org/tests/view/651fadd4ac577114367277bf Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 87348 W: 22234 L: 21818 D: 43296 Ptnml(0-2): 38, 9240, 24698, 9664, 34 https://tests.stockfishchess.org/tests/view/65201932ac57711436728218 closes https://github.com/official-stockfish/Stockfish/pull/4825 bench: 1246560
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