Dev Builds » 20240701-1807

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 06:51:18 584776 4000 1502 602 1896 +79.53 ± 5.02 2 124 861 998 15 +165.58 ± 11.58
ncm-dbt-02 06:52:25 585646 4014 1507 603 1904 +79.61 ± 4.9 3 110 882 1004 8 +167.5 ± 11.41
ncm-dbt-03 06:51:34 587780 3986 1453 620 1913 +73.69 ± 5.14 4 145 873 956 15 +152.37 ± 11.51
ncm-dbt-04 06:52:09 572010 4012 1478 648 1886 +72.93 ± 5.06 4 141 893 957 11 +151.46 ± 11.37
ncm-dbt-05 06:51:12 583562 3988 1469 606 1913 +76.39 ± 5.01 1 133 872 978 10 +159.05 ± 11.51
20000 7409 3079 9512 +76.43 ± 2.25 14 653 4381 4893 59 +159.15 ± 5.13

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
390883 ncm-dbt-04 571270 12 5 1 6 +120.31 ± 75.55 0 0 2 4 0 +279.41 ± 548.26 ↓
390882 ncm-dbt-02 586350 14 5 3 6 +49.93 ± 60.15 0 0 5 2 0 +102.04 ± 134.61 ↓
390881 ncm-dbt-03 587749 486 177 73 236 +75.52 ± 14.21 1 13 111 117 1 +158.93 ± 32.23 ↓
390880 ncm-dbt-05 587155 488 184 84 220 +72.22 ± 13.6 0 13 119 111 1 +149.57 ± 30.89 ↓
390879 ncm-dbt-01 586308 500 189 75 236 +80.63 ± 14.66 1 15 106 125 3 +167.53 ± 33.17 ↓
390878 ncm-dbt-04 572477 500 183 77 240 +74.79 ± 13.91 0 15 116 117 2 +153.86 ± 31.51 ↓
390877 ncm-dbt-02 586054 500 189 73 238 +82.1 ± 14.42 0 18 99 132 1 +172.78 ± 34.4 ↓
390876 ncm-dbt-05 580987 500 186 62 252 +88.0 ± 13.5 0 11 105 133 1 +187.16 ± 33.21 ↓
390875 ncm-dbt-03 587028 500 186 78 236 +76.25 ± 14.81 1 18 105 124 2 +158.93 ± 33.37 ↓
390874 ncm-dbt-01 585674 500 182 78 240 +73.34 ± 14.3 1 16 112 120 1 +153.86 ± 32.2 ↓
390873 ncm-dbt-02 587707 500 186 81 233 +74.06 ± 14.03 0 18 109 123 0 +155.54 ± 32.7 ↓
390872 ncm-dbt-04 569509 500 172 84 244 +61.79 ± 14.68 2 18 122 106 2 +127.76 ± 30.73 ↓
390871 ncm-dbt-05 584243 500 184 79 237 +74.06 ± 14.46 0 20 106 123 1 +153.86 ± 33.21 ↓
390870 ncm-dbt-03 591039 500 158 77 265 +56.78 ± 14.6 0 27 115 108 0 +116.78 ± 31.85 ↓
390869 ncm-dbt-01 584622 500 194 83 223 +78.43 ± 13.73 0 13 115 120 2 +162.35 ± 31.59 ↓
390868 ncm-dbt-02 585379 500 190 79 231 +78.44 ± 14.02 1 14 108 127 0 +167.53 ± 32.81 ↓
390867 ncm-dbt-04 570509 500 181 67 252 +80.63 ± 14.23 1 13 109 125 2 +169.27 ± 32.62 ↓
390866 ncm-dbt-05 579207 500 183 77 240 +74.79 ± 14.49 0 20 105 124 1 +155.54 ± 33.38 ↓
390865 ncm-dbt-03 586350 500 184 86 230 +68.99 ± 13.86 0 18 116 116 0 +143.89 ± 31.59 ↓
390864 ncm-dbt-01 584958 500 191 64 245 +90.22 ± 13.7 0 11 103 134 2 +190.85 ± 33.57 ↓
390863 ncm-dbt-02 587155 500 178 72 250 +74.79 ± 12.52 0 8 128 114 0 +157.24 ± 29.26 ↓
390862 ncm-dbt-04 573608 500 185 85 230 +70.44 ± 14.2 0 20 110 120 0 +147.19 ± 32.57 ↓
390861 ncm-dbt-05 583782 500 186 81 233 +74.06 ± 14.88 0 22 103 123 2 +152.18 ± 33.71 ↓
390860 ncm-dbt-03 586604 500 179 73 248 +74.79 ± 14.06 0 16 114 118 2 +153.86 ± 31.85 ↓
390859 ncm-dbt-04 573163 500 191 82 227 +76.98 ± 14.56 0 21 99 130 0 +162.35 ± 34.39 ↓
390858 ncm-dbt-01 583112 500 184 67 249 +82.83 ± 14.29 0 15 106 126 3 +171.02 ± 33.15 ↓
390857 ncm-dbt-02 584748 500 182 71 247 +78.43 ± 13.42 0 12 116 121 1 +164.07 ± 31.39 ↓
390856 ncm-dbt-05 585379 500 183 76 241 +75.52 ± 13.79 1 12 117 119 1 +158.93 ± 31.27 ↓
390855 ncm-dbt-03 588217 500 195 76 229 +84.3 ± 14.47 0 15 105 126 4 +172.78 ± 33.32 ↓
390854 ncm-dbt-04 570829 500 173 82 245 +63.94 ± 14.5 0 23 114 112 1 +130.94 ± 31.98 ↓
390853 ncm-dbt-01 582778 500 191 78 231 +79.9 ± 13.77 0 13 113 122 2 +165.8 ± 31.92 ↓
390852 ncm-dbt-02 581735 500 192 73 235 +84.31 ± 13.88 1 10 110 127 2 +178.11 ± 32.33 ↓
390851 ncm-dbt-03 585717 500 183 88 229 +66.82 ± 15.93 2 25 102 118 3 +137.37 ± 33.82 ↓
390850 ncm-dbt-05 581569 500 180 74 246 +74.79 ± 14.34 0 17 113 117 3 +152.18 ± 32.04 ↓
390849 ncm-dbt-01 585970 500 186 83 231 +72.61 ± 14.97 0 24 100 125 1 +150.51 ± 34.19 ↓
390848 ncm-dbt-02 585759 500 195 70 235 +88.74 ± 14.72 1 15 94 138 2 +189.0 ± 35.33 ↓
390847 ncm-dbt-04 573649 500 192 82 226 +77.71 ± 14.15 0 18 104 128 0 +164.07 ± 33.53 ↓
390846 ncm-dbt-05 586181 500 183 73 244 +77.71 ± 14.15 0 18 104 128 0 +164.07 ± 33.53 ↓
390845 ncm-dbt-03 589539 500 191 69 240 +86.52 ± 14.08 0 13 105 129 3 +179.9 ± 33.27 ↓
390844 ncm-dbt-01 584790 500 185 74 241 +78.43 ± 14.17 0 17 106 126 1 +164.07 ± 33.19 ↓
390843 ncm-dbt-04 573082 500 196 88 216 +76.25 ± 14.39 1 13 117 115 4 +155.54 ± 31.31 ↓
390842 ncm-dbt-02 585928 500 190 81 229 +76.97 ± 13.98 0 15 113 120 2 +158.93 ± 31.99 ↓

Commit

Commit ID 6138a0fd0e43753a86e4a170a5f6e2b7b6752677
Author Dubslow
Date 2024-07-01 18:07:03 UTC
Probcut in check no matter if pv or capture Passed STC: https://tests.stockfishchess.org/tests/view/6681e9c8c1657e386d294cef LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 217824 W: 56149 L: 56129 D: 105546 Ptnml(0-2): 587, 25926, 55848, 25982, 569 Passed LTC: https://tests.stockfishchess.org/tests/view/6681fcb8c1657e386d294db1 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 357552 W: 90546 L: 90671 D: 176335 Ptnml(0-2): 207, 40064, 98362, 39933, 210 Each half of this also passed STC+LTC separately closes https://github.com/official-stockfish/Stockfish/pull/5427 bench 1227870
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