Dev Builds » 20221023-1822

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 06:51:43 584704 4000 1124 908 1968 +18.78 ± 5.16 2 355 1068 575 0 +38.02 ± 10.39
ncm-dbt-02 06:53:00 586966 4006 1138 915 1953 +19.36 ± 5.2 10 329 1098 560 6 +39.54 ± 10.22
ncm-dbt-03 06:53:27 579997 3988 1141 907 1940 +20.41 ± 5.2 2 347 1064 577 4 +40.61 ± 10.41
ncm-dbt-04 06:53:03 571048 4012 1118 954 1940 +14.21 ± 5.24 8 371 1081 541 5 +28.99 ± 10.32
ncm-dbt-05 06:52:21 585324 3994 1156 886 1952 +23.52 ± 5.05 3 305 1112 573 4 +47.09 ± 10.12
20000 5677 4570 9753 +19.25 ± 2.31 25 1707 5423 2826 19 +38.83 ± 4.6

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
396884 ncm-dbt-02 584622 6 2 1 3 +58.33 ± 98.71 0 0 2 1 0 +120.24 ± 264.77 ↓
396883 ncm-dbt-04 570989 12 4 2 6 +58.39 ± 68.56 0 0 4 2 0 +120.33 ± 161.99 ↓
396882 ncm-dbt-03 588899 276 71 63 142 +10.07 ± 20.32 0 30 70 38 0 +20.16 ± 40.88 ↓
396881 ncm-dbt-05 586393 494 145 115 234 +21.13 ± 14.41 0 41 135 71 0 +42.41 ± 29.2 ↓
396880 ncm-dbt-01 584748 500 136 122 242 +9.73 ± 14.77 1 49 135 65 0 +20.87 ± 29.27 ↓
396879 ncm-dbt-02 587749 500 145 118 237 +18.78 ± 14.34 0 43 137 70 0 +37.67 ± 28.99 ↓
396878 ncm-dbt-04 569230 500 162 126 212 +25.06 ± 14.29 2 33 142 73 0 +53.22 ± 28.26 ↓
396877 ncm-dbt-03 586139 500 141 103 256 +26.45 ± 14.65 0 40 133 76 1 +51.8 ± 29.48 ↓
396876 ncm-dbt-05 587537 500 139 124 237 +10.42 ± 14.57 0 49 138 62 1 +19.48 ± 28.88 ↓
396875 ncm-dbt-01 585211 500 137 106 257 +21.57 ± 14.68 0 44 131 75 0 +43.3 ± 29.76 ↓
396874 ncm-dbt-04 569669 500 149 117 234 +22.26 ± 14.48 0 41 137 71 1 +43.3 ± 28.97 ↓
396873 ncm-dbt-02 587664 500 118 113 269 +3.48 ± 15.11 2 53 133 62 0 +9.73 ± 29.53 ↓
396872 ncm-dbt-03 522847 500 140 118 242 +15.3 ± 15.33 2 47 128 73 0 +33.46 ± 30.16 ↓
396871 ncm-dbt-05 584874 500 160 113 227 +32.75 ± 13.34 0 26 153 69 2 +63.23 ± 26.6 ↓
396870 ncm-dbt-03 586985 212 61 51 100 +16.4 ± 21.15 0 16 65 24 1 +29.57 ± 41.24 ↓
396869 ncm-dbt-04 571712 500 132 121 247 +7.65 ± 15.93 2 57 119 72 0 +18.08 ± 31.26 ↓
396868 ncm-dbt-01 584832 500 141 103 256 +26.46 ± 14.26 0 38 136 76 0 +53.22 ± 29.08 ↓
396867 ncm-dbt-02 587409 500 144 112 244 +22.27 ± 14.86 2 39 134 75 0 +47.55 ± 29.36 ↓
396866 ncm-dbt-05 584874 500 135 106 259 +20.18 ± 14.19 1 38 142 69 0 +41.89 ± 28.3 ↓
396865 ncm-dbt-04 571833 500 132 122 246 +6.95 ± 15.03 2 50 134 64 0 +16.69 ± 29.4 ↓
396864 ncm-dbt-03 585000 500 149 115 236 +23.66 ± 14.71 0 43 130 77 0 +47.55 ± 29.89 ↓
396863 ncm-dbt-02 588558 500 158 120 222 +26.46 ± 14.78 2 33 143 69 3 +51.8 ± 28.13 ↓
396862 ncm-dbt-01 583866 500 138 108 254 +20.87 ± 14.37 0 42 136 72 0 +41.89 ± 29.11 ↓
396861 ncm-dbt-05 583028 500 134 100 266 +23.66 ± 14.32 1 37 139 73 0 +48.96 ± 28.69 ↓
396860 ncm-dbt-04 572074 500 138 109 253 +20.17 ± 14.45 0 43 135 72 0 +40.48 ± 29.24 ↓
396859 ncm-dbt-03 587113 500 148 121 231 +18.78 ± 15.35 0 51 121 78 0 +37.67 ± 31.03 ↓
396858 ncm-dbt-01 581569 500 146 123 231 +15.99 ± 13.99 0 42 143 65 0 +32.05 ± 28.2 ↓
396857 ncm-dbt-02 583992 500 133 110 257 +15.99 ± 15.62 3 46 126 75 0 +36.26 ± 30.41 ↓
396856 ncm-dbt-05 587834 500 160 115 225 +31.35 ± 14.73 0 39 127 84 0 +63.23 ± 30.26 ↓
396855 ncm-dbt-04 570949 500 131 111 258 +13.9 ± 14.34 0 45 141 63 1 +26.46 ± 28.48 ↓
396854 ncm-dbt-02 585885 500 138 108 254 +20.87 ± 14.24 0 40 141 68 1 +40.48 ± 28.44 ↓
396853 ncm-dbt-03 587028 500 137 115 248 +15.3 ± 14.32 0 45 138 67 0 +30.65 ± 28.87 ↓
396852 ncm-dbt-01 585928 500 146 122 232 +16.69 ± 14.17 1 40 143 66 0 +34.86 ± 28.19 ↓
396851 ncm-dbt-05 581153 500 134 107 259 +18.78 ± 13.53 0 37 149 64 0 +37.67 ± 27.35 ↓
396850 ncm-dbt-01 584369 500 145 104 251 +28.55 ± 15.3 0 45 119 86 0 +57.5 ± 31.3 ↓
396849 ncm-dbt-02 587537 500 146 120 234 +18.08 ± 14.02 1 36 151 60 2 +34.86 ± 27.08 ↓
396848 ncm-dbt-04 571551 500 132 116 252 +11.12 ± 15.25 0 52 133 62 3 +18.08 ± 29.53 ↓
396847 ncm-dbt-03 587537 500 149 112 239 +25.76 ± 14.34 0 39 135 76 0 +51.8 ± 29.22 ↓
396846 ncm-dbt-05 586901 500 149 106 245 +29.95 ± 15.02 1 38 129 81 1 +60.36 ± 30.0 ↓
396845 ncm-dbt-02 589283 500 154 113 233 +28.55 ± 14.54 0 39 131 80 0 +57.5 ± 29.74 ↓
396844 ncm-dbt-01 587113 500 135 120 245 +10.43 ± 15.2 0 55 125 70 0 +20.87 ± 30.53 ↓
396843 ncm-dbt-04 571431 500 138 130 232 +5.56 ± 14.92 2 50 136 62 0 +13.9 ± 29.15 ↓
396842 ncm-dbt-03 588430 500 145 109 246 +25.06 ± 14.16 0 36 144 68 2 +47.55 ± 28.01 ↓

Commit

Commit ID 4ec8945eafc5b271d1c9d276fab590fa26c24901
Author Michael Chaly
Date 2022-10-23 18:22:04 UTC
Use TT moves more often in qsearch During the recapture phase of quiescence search (where we limit the generated moves to recaptures on the last seen capture square), the move picker will now emit the tt move, even if the tt move is not a recapture. Passed STC : https://tests.stockfishchess.org/tests/view/6350df2928d3a71cb1eef838 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 90280 W: 24001 L: 23845 D: 42434 Ptnml(0-2): 273, 9779, 24941, 9813, 334 Passed LTC : https://tests.stockfishchess.org/tests/view/6351308b28d3a71cb1ef06ce LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 104504 W: 27937 L: 27807 D: 48760 Ptnml(0-2): 54, 10378, 31260, 10504, 56 closes https://github.com/official-stockfish/Stockfish/pull/4206 Bench: 4540268
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