Dev Builds » 20220815-1554

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 06:54:14 584355 4000 1127 963 1910 +14.25 ± 5.13 6 353 1118 517 6 +28.55 ± 10.11
ncm-dbt-02 06:52:10 586608 4000 1119 965 1916 +13.38 ± 5.14 3 369 1104 519 5 +26.46 ± 10.19
ncm-dbt-03 06:52:06 587145 4000 1118 982 1900 +11.82 ± 5.16 7 373 1098 521 1 +24.71 ± 10.22
ncm-dbt-04 06:53:08 571101 4000 1109 922 1969 +16.25 ± 5.3 9 364 1065 555 7 +32.93 ± 10.41
ncm-dbt-05 06:55:06 585218 4000 1077 949 1974 +11.12 ± 5.12 5 374 1111 508 2 +22.79 ± 10.15
20000 5550 4781 9669 +13.37 ± 2.31 30 1833 5496 2620 21 +27.09 ± 4.57

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
397919 ncm-dbt-04 571632 500 137 108 255 +20.17 ± 14.58 0 43 136 70 1 +39.08 ± 29.11
397918 ncm-dbt-05 586054 500 146 128 226 +12.51 ± 14.87 0 50 133 66 1 +23.66 ± 29.53
397917 ncm-dbt-03 586943 500 147 108 245 +27.15 ± 14.18 0 37 137 76 0 +54.65 ± 28.94
397916 ncm-dbt-01 584706 500 132 118 250 +9.73 ± 14.12 1 44 145 60 0 +20.87 ± 27.95
397915 ncm-dbt-02 586308 500 146 114 240 +22.26 ± 13.81 0 36 147 66 1 +43.3 ± 27.61
397914 ncm-dbt-03 587877 500 140 124 236 +11.12 ± 14.24 0 47 140 63 0 +22.27 ± 28.62
397913 ncm-dbt-04 570268 500 124 103 273 +14.6 ± 15.64 2 49 126 72 1 +30.65 ± 30.41
397912 ncm-dbt-05 585928 500 131 110 259 +14.6 ± 14.4 0 46 137 67 0 +29.25 ± 29.0
397911 ncm-dbt-01 582527 500 151 112 237 +27.15 ± 15.08 0 43 126 80 1 +53.22 ± 30.4
397910 ncm-dbt-02 588302 500 142 123 235 +13.21 ± 14.02 2 36 155 55 2 +26.46 ± 26.55
397909 ncm-dbt-04 570949 500 139 116 245 +15.99 ± 14.76 1 45 134 70 0 +33.46 ± 29.39
397908 ncm-dbt-03 588260 500 150 117 233 +22.96 ± 14.4 0 41 135 74 0 +46.13 ± 29.23
397907 ncm-dbt-05 581361 500 139 128 233 +7.65 ± 14.97 1 52 132 65 0 +16.69 ± 29.66
397906 ncm-dbt-02 588728 500 147 117 236 +20.87 ± 13.7 0 37 146 67 0 +41.89 ± 27.75
397905 ncm-dbt-01 582987 500 145 128 227 +11.82 ± 14.56 1 45 141 62 1 +23.66 ± 28.48
397904 ncm-dbt-04 570789 500 148 118 234 +20.87 ± 14.24 0 40 141 68 1 +40.48 ± 28.44
397903 ncm-dbt-03 586562 500 131 122 247 +6.26 ± 14.72 2 48 139 61 0 +15.3 ± 28.76
397902 ncm-dbt-05 587452 500 140 129 231 +7.64 ± 12.83 0 39 161 50 0 +15.3 ± 25.72
397901 ncm-dbt-02 587197 500 131 122 247 +6.25 ± 15.22 0 58 125 67 0 +12.51 ± 30.53
397900 ncm-dbt-01 584076 500 138 112 250 +18.08 ± 15.42 0 51 123 75 1 +34.86 ± 30.78
397899 ncm-dbt-04 570388 500 134 127 239 +4.86 ± 15.47 1 56 130 61 2 +8.34 ± 29.91
397898 ncm-dbt-03 586054 500 133 137 230 -2.78 ± 14.8 2 54 141 52 1 -4.17 ± 28.5
397897 ncm-dbt-05 582819 500 140 116 244 +16.69 ± 14.94 0 48 131 70 1 +32.05 ± 29.77
397896 ncm-dbt-02 586731 500 144 116 240 +19.48 ± 14.9 0 47 128 75 0 +39.08 ± 30.15
397895 ncm-dbt-01 584117 500 143 118 239 +17.39 ± 13.83 1 36 151 61 1 +34.86 ± 27.08
397894 ncm-dbt-04 572719 500 137 122 241 +10.43 ± 15.07 2 48 133 67 0 +23.66 ± 29.53
397893 ncm-dbt-03 586689 500 151 128 221 +15.99 ± 15.26 2 46 129 73 0 +34.86 ± 30.03
397892 ncm-dbt-05 585042 500 132 110 258 +15.3 ± 13.79 0 41 146 63 0 +30.65 ± 27.79
397891 ncm-dbt-02 583782 500 140 120 240 +13.9 ± 15.1 0 51 129 69 1 +26.46 ± 30.03
397890 ncm-dbt-01 585506 500 137 127 236 +6.95 ± 15.16 2 50 135 62 1 +15.3 ± 29.27
397889 ncm-dbt-04 569589 500 149 115 236 +23.66 ± 15.08 3 37 133 77 0 +51.8 ± 29.48
397888 ncm-dbt-03 587749 500 126 113 261 +9.04 ± 14.06 0 47 143 60 0 +18.08 ± 28.23
397887 ncm-dbt-02 584874 500 127 126 247 +0.69 ± 14.74 0 58 133 59 0 +1.39 ± 29.53
397886 ncm-dbt-01 585632 500 150 132 218 +12.51 ± 14.23 1 42 146 60 1 +25.06 ± 27.81
397885 ncm-dbt-05 585042 500 118 112 270 +4.17 ± 14.28 2 46 146 56 0 +11.12 ± 27.83
397884 ncm-dbt-03 587028 500 140 133 227 +4.87 ± 14.86 1 53 134 62 0 +11.12 ± 29.4
397883 ncm-dbt-04 572477 500 141 113 246 +19.48 ± 15.03 0 46 132 70 2 +36.26 ± 29.64
397882 ncm-dbt-02 586943 500 142 127 231 +10.43 ± 14.57 1 46 141 61 1 +20.87 ± 28.49
397881 ncm-dbt-01 585295 500 131 116 253 +10.43 ± 13.51 0 42 151 57 0 +20.87 ± 27.13
397880 ncm-dbt-05 588047 500 131 116 253 +10.43 ± 15.56 2 52 125 71 0 +23.66 ± 30.53

Commit

Commit ID 5f290352cd91beb9374671f6ae489165bd8ac2c0
Author Michael Chaly
Date 2022-08-15 15:54:56 UTC
Simplify away smp adjustment in TT use Passed STC https://tests.stockfishchess.org/tests/view/62f7d81f23d42b50a8dab568 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 98160 W: 26307 L: 26165 D: 45688 Ptnml(0-2): 201, 10282, 27960, 10448, 189 Passed LTC https://tests.stockfishchess.org/tests/view/62f8d1a623d42b50a8dad4fb LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 81544 W: 22346 L: 22200 D: 36998 Ptnml(0-2): 44, 7542, 25446, 7704, 36 closes https://github.com/official-stockfish/Stockfish/pull/4131 No functional change (single threaded).
Copyright 2011–2025 Next Chess Move LLC