Dev Builds » 20230101-1126

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 06:58:23 584752 4006 1176 904 1926 +23.63 ± 5.13 4 317 1089 589 4 +47.47 ± 10.26
ncm-dbt-02 06:58:02 587486 4000 1175 879 1946 +25.76 ± 5.12 1 314 1078 602 5 +51.09 ± 10.32
ncm-dbt-03 06:57:18 587225 4000 1164 837 1999 +28.47 ± 5.17 4 301 1065 624 6 +56.96 ± 10.39
ncm-dbt-04 07:00:17 571131 3998 1188 873 1937 +27.43 ± 5.13 2 304 1075 613 5 +54.67 ± 10.33
ncm-dbt-05 06:59:29 583913 3996 1204 837 1955 +32.0 ± 5.19 4 292 1038 661 3 +64.73 ± 10.54
20000 5907 4330 9763 +27.45 ± 2.3 15 1528 5345 3089 23 +54.97 ± 4.64

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
395022 ncm-dbt-01 583740 6 2 3 1 -58.33 ± 98.71 0 1 2 0 0 -120.24 ± 264.77
395021 ncm-dbt-05 580821 496 145 107 244 +26.67 ± 15.89 2 43 119 83 1 +55.09 ± 31.3
395020 ncm-dbt-04 570629 498 147 120 231 +18.86 ± 15.53 2 45 127 74 1 +39.23 ± 30.28
395019 ncm-dbt-03 586054 500 153 98 249 +38.37 ± 14.66 0 34 128 87 1 +76.25 ± 30.1
395018 ncm-dbt-01 584369 500 161 116 223 +31.36 ± 14.2 1 32 138 79 0 +64.66 ± 28.76
395017 ncm-dbt-02 588600 500 145 105 250 +27.85 ± 14.75 0 41 128 81 0 +56.07 ± 30.14
395016 ncm-dbt-04 571070 500 149 115 236 +23.66 ± 13.78 0 36 144 70 0 +47.55 ± 28.01
395015 ncm-dbt-05 586604 500 152 110 238 +29.25 ± 13.79 1 30 145 74 0 +60.36 ± 27.79
395014 ncm-dbt-03 587537 500 143 111 246 +22.27 ± 15.35 1 44 129 74 2 +43.3 ± 30.02
395013 ncm-dbt-01 583363 500 135 124 241 +7.64 ± 14.2 0 49 141 60 0 +15.3 ± 28.49
395012 ncm-dbt-02 586901 500 154 119 227 +24.36 ± 14.76 0 43 129 78 0 +48.96 ± 30.01
395011 ncm-dbt-05 588089 500 151 98 251 +36.97 ± 15.21 0 39 120 90 1 +73.34 ± 31.18
395010 ncm-dbt-01 584832 500 158 101 241 +39.78 ± 15.0 1 33 125 90 1 +80.63 ± 30.5
395009 ncm-dbt-04 573042 500 146 97 257 +34.16 ± 13.99 0 31 140 78 1 +67.55 ± 28.46
395008 ncm-dbt-03 589155 500 140 112 248 +19.48 ± 13.86 1 35 150 63 1 +39.08 ± 27.21
395007 ncm-dbt-02 586985 500 150 107 243 +29.95 ± 14.5 0 37 134 78 1 +58.93 ± 29.33
395006 ncm-dbt-05 581236 500 149 120 231 +20.17 ± 14.58 0 44 133 73 0 +40.48 ± 29.51
395005 ncm-dbt-01 586774 500 135 105 260 +20.87 ± 15.01 1 44 129 76 0 +43.3 ± 30.02
395004 ncm-dbt-04 571672 500 153 105 242 +33.46 ± 14.48 0 36 130 84 0 +67.55 ± 29.85
395003 ncm-dbt-03 585717 500 148 93 259 +38.37 ± 14.79 2 30 129 89 0 +80.63 ± 29.95
395002 ncm-dbt-02 585042 500 146 112 242 +23.66 ± 13.78 0 35 147 67 1 +46.13 ± 27.59
395001 ncm-dbt-05 582569 500 155 110 235 +31.35 ± 14.07 0 34 137 79 0 +63.23 ± 28.9
395000 ncm-dbt-01 585590 500 144 121 235 +15.99 ± 14.89 0 48 132 69 1 +30.65 ± 29.65
394999 ncm-dbt-03 587367 500 141 111 248 +20.87 ± 14.76 0 44 133 72 1 +40.48 ± 29.51
394998 ncm-dbt-02 588302 500 147 106 247 +28.56 ± 14.28 1 34 138 77 0 +58.93 ± 28.79
394997 ncm-dbt-04 571391 500 157 107 236 +34.86 ± 14.31 0 34 132 84 0 +70.44 ± 29.57
394996 ncm-dbt-05 583405 500 139 110 251 +20.17 ± 15.2 0 49 123 78 0 +40.48 ± 30.78
394995 ncm-dbt-01 583321 500 138 107 255 +21.57 ± 13.89 0 37 146 66 1 +41.89 ± 27.75
394994 ncm-dbt-03 587622 500 140 106 254 +23.66 ± 13.65 0 35 146 69 0 +47.55 ± 27.73
394993 ncm-dbt-04 569789 500 147 109 244 +26.45 ± 14.78 0 41 131 77 1 +51.8 ± 29.75
394992 ncm-dbt-02 587113 500 151 115 234 +25.06 ± 14.55 0 41 132 77 0 +50.38 ± 29.62
394991 ncm-dbt-05 582110 500 151 89 260 +43.31 ± 14.29 1 27 131 91 0 +89.48 ± 29.62
394990 ncm-dbt-01 582861 500 155 113 232 +29.25 ± 14.46 1 34 138 76 1 +58.93 ± 28.79
394989 ncm-dbt-03 586562 500 152 107 241 +31.35 ± 15.48 0 45 115 90 0 +63.23 ± 31.81
394988 ncm-dbt-04 570469 500 135 110 255 +17.38 ± 14.62 0 45 136 68 1 +33.46 ± 29.13
394987 ncm-dbt-02 588813 500 138 112 250 +18.08 ± 15.05 0 46 135 66 3 +32.05 ± 29.26
394986 ncm-dbt-01 587919 500 148 114 238 +23.66 ± 14.19 0 39 138 73 0 +47.55 ± 28.83
394985 ncm-dbt-03 587792 500 147 99 254 +33.46 ± 14.35 0 34 135 80 1 +66.1 ± 29.17
394984 ncm-dbt-05 586477 500 162 93 245 +48.25 ± 14.16 0 26 130 93 1 +96.94 ± 29.72
394983 ncm-dbt-02 588132 500 144 103 253 +28.55 ± 14.28 0 37 135 78 0 +57.5 ± 29.2
394982 ncm-dbt-04 570989 500 154 110 236 +30.65 ± 14.42 0 36 135 78 1 +60.36 ± 29.19

Commit

Commit ID 258c13ba8cc8d054b803a04c433a766d0c5a1e8f
Author Sebastian Buchwald
Date 2023-01-01 11:26:36 UTC
Remove redundant extern modifier for function declarations Functions have external linkage by default, so there's no need to declare them extern. closes https://github.com/official-stockfish/Stockfish/pull/4308 No functional change
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