Dev Builds » 20230525-1840

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 06:57:24 582516 4000 1262 759 1979 +43.92 ± 5.12 1 242 1014 739 4 +88.74 ± 10.66
ncm-dbt-02 06:56:57 585597 4000 1293 785 1922 +44.36 ± 5.05 1 227 1041 725 6 +89.3 ± 10.49
ncm-dbt-03 06:55:55 585804 4000 1270 819 1911 +39.34 ± 5.07 2 244 1063 683 8 +78.62 ± 10.37
ncm-dbt-04 06:55:54 571256 4000 1244 755 2001 +42.69 ± 4.99 1 221 1074 696 8 +85.41 ± 10.29
ncm-dbt-05 06:56:36 584239 4000 1280 783 1937 +43.39 ± 4.99 1 221 1064 708 6 +87.26 ± 10.35
20000 6349 3901 9750 +42.74 ± 2.26 6 1155 5256 3551 32 +85.85 ± 4.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
408896 ncm-dbt-01 580157 500 161 93 246 +47.54 ± 14.26 0 27 129 93 1 +95.44 ± 29.88
408895 ncm-dbt-02 587325 500 161 98 241 +44.01 ± 14.06 0 28 131 91 0 +89.48 ± 29.62
408894 ncm-dbt-05 585506 500 151 103 246 +33.46 ± 12.66 0 23 156 71 0 +67.55 ± 26.1
408893 ncm-dbt-03 582819 500 168 94 238 +51.8 ± 14.35 0 24 131 92 3 +101.46 ± 29.54
408892 ncm-dbt-04 570829 500 157 91 252 +46.13 ± 14.32 0 27 132 89 2 +90.97 ± 29.47
408891 ncm-dbt-01 584034 500 162 88 250 +51.8 ± 15.14 1 30 113 106 0 +107.54 ± 32.15
408890 ncm-dbt-02 580157 500 160 100 240 +41.89 ± 14.21 0 29 133 87 1 +83.57 ± 29.37
408889 ncm-dbt-05 581569 500 166 104 230 +43.3 ± 14.82 0 32 126 90 2 +85.04 ± 30.35
408888 ncm-dbt-04 573042 500 165 93 242 +50.38 ± 13.72 0 23 132 95 0 +102.97 ± 29.38
408887 ncm-dbt-03 585632 500 154 93 253 +42.6 ± 13.98 0 28 133 89 0 +86.52 ± 29.35
408886 ncm-dbt-01 577110 500 160 96 244 +44.72 ± 14.9 0 33 121 95 1 +89.48 ± 31.03
408885 ncm-dbt-02 586139 500 158 96 246 +43.3 ± 14.29 0 30 128 92 0 +88.0 ± 30.06
408884 ncm-dbt-05 581860 500 157 99 244 +40.48 ± 14.91 0 35 123 91 1 +80.63 ± 30.77
408883 ncm-dbt-03 586520 500 162 114 224 +33.46 ± 13.94 0 32 138 80 0 +67.55 ± 28.74
408882 ncm-dbt-04 570388 500 146 80 274 +46.13 ± 14.05 0 27 130 93 0 +93.95 ± 29.74
408881 ncm-dbt-01 582861 500 151 99 250 +36.26 ± 13.86 0 30 138 82 0 +73.34 ± 28.71
408880 ncm-dbt-05 585000 500 155 83 262 +50.38 ± 13.15 0 19 140 91 0 +102.97 ± 28.14
408879 ncm-dbt-02 586054 500 157 96 247 +42.6 ± 14.52 1 29 128 92 0 +88.0 ± 30.06
408878 ncm-dbt-03 586689 500 157 105 238 +36.27 ± 14.79 1 34 127 88 0 +74.79 ± 30.24
408877 ncm-dbt-04 569509 500 155 99 246 +39.08 ± 14.17 0 27 144 75 4 +73.34 ± 27.84
408876 ncm-dbt-01 584076 500 154 94 252 +41.89 ± 14.74 0 33 125 91 1 +83.57 ± 30.49
408875 ncm-dbt-04 571873 500 148 86 266 +43.3 ± 14.16 0 27 136 85 2 +85.04 ± 28.92
408874 ncm-dbt-05 582652 500 163 90 247 +51.09 ± 14.18 0 25 128 96 1 +102.97 ± 29.98
408873 ncm-dbt-03 585590 500 153 110 237 +29.95 ± 14.37 0 37 133 80 0 +60.36 ± 29.46
408872 ncm-dbt-02 586985 500 158 98 244 +41.89 ± 14.61 0 33 124 93 0 +85.04 ± 30.63
408871 ncm-dbt-01 584579 500 157 105 238 +36.26 ± 14.91 0 37 125 87 1 +71.89 ± 30.51
408870 ncm-dbt-03 587452 500 166 100 234 +46.13 ± 14.05 1 23 136 89 1 +93.95 ± 28.85
408869 ncm-dbt-04 570789 500 152 101 247 +35.56 ± 14.61 0 36 127 87 0 +71.89 ± 30.24
408868 ncm-dbt-02 585885 500 178 107 215 +49.67 ± 14.24 0 25 131 92 2 +98.44 ± 29.57
408867 ncm-dbt-05 584117 500 165 87 248 +54.65 ± 14.76 1 25 120 103 1 +112.14 ± 31.13
408866 ncm-dbt-01 582945 500 169 97 234 +50.38 ± 13.72 0 23 132 95 0 +102.97 ± 29.38
408865 ncm-dbt-03 586393 500 156 101 243 +38.37 ± 14.79 0 34 129 85 2 +74.79 ± 29.96
408864 ncm-dbt-04 571511 500 162 103 235 +41.19 ± 13.89 1 25 138 86 0 +85.04 ± 28.63
408863 ncm-dbt-02 586985 500 166 94 240 +50.38 ± 14.28 0 25 130 93 2 +99.95 ± 29.7
408862 ncm-dbt-05 586308 500 158 113 229 +31.35 ± 13.52 0 29 148 72 1 +61.79 ± 27.35
408861 ncm-dbt-01 584369 500 148 87 265 +42.6 ± 14.12 0 29 131 90 0 +86.52 ± 29.64
408860 ncm-dbt-02 585253 500 155 96 249 +41.19 ± 14.03 0 28 136 85 1 +82.1 ± 28.94
408859 ncm-dbt-03 585337 500 154 102 244 +36.26 ± 14.4 0 32 136 80 2 +70.44 ± 29.01
408858 ncm-dbt-05 586901 500 165 104 231 +42.6 ± 14.65 0 33 123 94 0 +86.52 ± 30.76
408857 ncm-dbt-04 572114 500 159 102 239 +39.78 ± 13.94 0 29 135 86 0 +80.63 ± 29.1

Commit

Commit ID a989aa1825503ab39e6b2cf77bba2f1f022f367c
Author FauziAkram
Date 2023-05-25 18:40:09 UTC
Simplify Prune moves with negative SEE Passed STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 57760 W: 15472 L: 15286 D: 27002 Ptnml(0-2): 123, 6025, 16430, 6147, 155 https://tests.stockfishchess.org/tests/view/6468eb6b0db5177f2b76ef62 Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 93966 W: 25274 L: 25141 D: 43551 Ptnml(0-2): 33, 8498, 29792, 8623, 37 https://tests.stockfishchess.org/tests/view/6469570b0db5177f2b76f81b closes: https://github.com/official-stockfish/Stockfish/pull/4579 Bench: 2304063
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