Dev Builds » 20221202-1903

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 06:59:58 584526 3994 1127 948 1919 +15.58 ± 5.22 5 369 1067 554 2 +31.75 ± 10.4
ncm-dbt-02 06:59:03 586239 4000 1128 909 1963 +19.04 ± 5.18 4 348 1076 569 3 +38.37 ± 10.34
ncm-dbt-03 06:58:18 586385 4000 1151 891 1958 +22.62 ± 5.06 2 316 1104 576 2 +45.42 ± 10.17
ncm-dbt-04 06:59:43 570372 4006 1167 894 1945 +23.71 ± 5.15 2 326 1076 595 4 +47.3 ± 10.34
ncm-dbt-05 06:59:30 584598 4000 1147 942 1911 +17.82 ± 5.27 8 358 1058 573 3 +36.62 ± 10.45
20000 5720 4584 9696 +19.76 ± 2.32 21 1717 5381 2867 14 +39.89 ± 4.62

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
395933 ncm-dbt-04 568752 6 1 1 4 -0.0 ± 173.92 0 1 1 1 0 -0.0 ± 561.2 ↓
395932 ncm-dbt-01 582611 494 134 119 241 +10.55 ± 15.0 0 52 128 67 0 +21.13 ± 30.15 ↓
395931 ncm-dbt-05 586646 500 139 126 235 +9.04 ± 15.21 0 56 125 69 0 +18.08 ± 30.53 ↓
395930 ncm-dbt-02 586350 500 137 104 259 +22.97 ± 14.53 1 39 136 74 0 +47.55 ± 29.1 ↓
395929 ncm-dbt-03 585801 500 143 106 251 +25.76 ± 14.08 0 36 142 71 1 +50.38 ± 28.27 ↓
395928 ncm-dbt-04 569709 500 141 114 245 +18.78 ± 14.6 0 45 133 72 0 +37.67 ± 29.51 ↓
395927 ncm-dbt-01 582402 500 145 123 232 +15.3 ± 14.71 1 45 135 69 0 +32.05 ± 29.26 ↓
395926 ncm-dbt-02 585843 500 147 112 241 +24.36 ± 14.63 0 42 131 77 0 +48.96 ± 29.75 ↓
395925 ncm-dbt-05 581153 500 136 129 235 +4.86 ± 14.86 0 56 131 63 0 +9.73 ± 29.79 ↓
395924 ncm-dbt-03 587155 500 132 115 253 +11.82 ± 14.68 1 47 136 66 0 +25.06 ± 29.14 ↓
395923 ncm-dbt-04 570068 500 137 111 252 +18.08 ± 14.54 1 42 137 70 0 +37.67 ± 28.99 ↓
395922 ncm-dbt-01 584958 500 139 110 251 +20.17 ± 14.83 0 46 129 75 0 +40.48 ± 30.02 ↓
395921 ncm-dbt-03 586858 500 143 106 251 +25.76 ± 13.53 0 32 150 67 1 +50.38 ± 27.14 ↓
395920 ncm-dbt-02 586689 500 139 121 240 +12.51 ± 14.74 1 46 138 64 1 +25.06 ± 28.88 ↓
395919 ncm-dbt-05 582152 500 142 121 237 +14.6 ± 14.91 4 38 141 67 0 +34.86 ± 28.46 ↓
395918 ncm-dbt-04 571431 500 145 110 245 +24.36 ± 15.01 0 45 125 80 0 +48.96 ± 30.53 ↓
395917 ncm-dbt-01 585084 500 142 115 243 +18.78 ± 14.85 0 45 135 68 2 +34.86 ± 29.25 ↓
395916 ncm-dbt-02 585632 500 139 117 244 +15.3 ± 14.58 0 46 137 66 1 +29.25 ± 29.0 ↓
395915 ncm-dbt-03 588558 500 151 127 222 +16.69 ± 14.31 1 41 141 67 0 +34.86 ± 28.46 ↓
395914 ncm-dbt-05 587155 500 154 118 228 +25.06 ± 15.06 1 42 127 80 0 +51.8 ± 30.27 ↓
395913 ncm-dbt-04 572558 500 153 98 249 +38.37 ± 14.79 1 32 129 87 1 +77.71 ± 29.96 ↓
395912 ncm-dbt-03 587664 500 147 102 251 +31.35 ± 15.11 0 42 121 87 0 +63.23 ± 31.04 ↓
395911 ncm-dbt-01 585042 500 137 123 240 +9.73 ± 14.51 1 47 139 63 0 +20.87 ± 28.75 ↓
395910 ncm-dbt-05 589497 500 146 116 238 +20.87 ± 14.5 1 40 137 72 0 +43.3 ± 28.97 ↓
395909 ncm-dbt-02 582485 500 137 116 247 +14.6 ± 14.14 0 44 141 65 0 +29.25 ± 28.47 ↓
395908 ncm-dbt-04 569350 500 155 105 240 +34.86 ± 14.44 0 35 130 85 0 +70.44 ± 29.84 ↓
395907 ncm-dbt-02 588004 500 147 121 232 +18.08 ± 14.8 1 44 133 72 0 +37.67 ± 29.51 ↓
395906 ncm-dbt-01 584664 500 147 115 238 +22.27 ± 13.81 1 34 147 68 0 +46.13 ± 27.59 ↓
395905 ncm-dbt-05 581070 500 146 98 256 +33.46 ± 14.61 0 36 131 82 1 +66.1 ± 29.72 ↓
395904 ncm-dbt-03 585717 500 139 107 254 +22.27 ± 14.21 0 40 138 72 0 +44.72 ± 28.84 ↓
395903 ncm-dbt-04 569549 500 161 123 216 +26.45 ± 14.65 0 39 136 73 2 +50.38 ± 29.09 ↓
395902 ncm-dbt-02 586054 500 138 109 253 +20.17 ± 15.08 0 47 128 74 1 +39.08 ± 30.15 ↓
395901 ncm-dbt-05 579702 500 149 125 226 +16.69 ± 14.44 1 41 142 65 1 +33.46 ± 28.33 ↓
395900 ncm-dbt-01 583237 500 142 116 242 +18.08 ± 15.05 1 46 129 74 0 +37.67 ± 30.03 ↓
395899 ncm-dbt-03 583614 500 147 107 246 +27.85 ± 13.82 0 34 142 74 0 +56.07 ± 28.24 ↓
395898 ncm-dbt-04 571230 500 136 106 258 +20.87 ± 14.37 0 41 139 69 1 +40.48 ± 28.71 ↓
395897 ncm-dbt-02 588856 500 144 109 247 +24.36 ± 14.76 1 40 132 77 0 +50.38 ± 29.62 ↓
395896 ncm-dbt-01 588217 500 141 127 232 +9.73 ± 15.38 1 54 125 70 0 +20.87 ± 30.53 ↓
395895 ncm-dbt-03 585717 500 149 121 230 +19.48 ± 14.52 0 44 134 72 0 +39.08 ± 29.38 ↓
395894 ncm-dbt-04 570709 500 138 126 236 +8.34 ± 13.87 0 46 146 58 0 +16.69 ± 27.82 ↓
395893 ncm-dbt-05 589411 500 135 109 256 +18.08 ± 15.54 1 49 124 75 1 +36.26 ± 30.66 ↓

Commit

Commit ID 6a6faac04db26daae6a77b6df6529e22d549531b
Author VoyagerOne
Date 2022-12-02 19:03:49 UTC
Remove PvNode Parameter for cutoff LMR STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 198520 W: 52673 L: 52632 D: 93215 Ptnml(0-2): 645, 22241, 53499, 22178, 697 https://tests.stockfishchess.org/tests/view/63746e8f9849fa7a36a6698f LTC: LLR: 2.97 (-2.94,2.94) <-1.75,0.25> Total: 253568 W: 67487 L: 67501 D: 118580 Ptnml(0-2): 109, 25222, 76141, 25198, 114 https://tests.stockfishchess.org/tests/view/63839859d2b9c924c4c4feb7 closes https://github.com/official-stockfish/Stockfish/pull/4248 Bench: 3733322
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