Dev Builds » 20220917-0730

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 06:41:54 584627 3914 1105 896 1913 +18.57 ± 5.24 4 341 1058 550 4 +37.25 ± 10.42
ncm-dbt-02 07:31:29 586118 4390 1261 993 2136 +21.24 ± 4.93 4 366 1189 630 6 +42.31 ± 9.83
ncm-dbt-03 06:42:41 587486 3904 1123 895 1886 +20.31 ± 5.14 5 311 1091 541 4 +40.95 ± 10.22
ncm-dbt-04 06:41:42 570586 3902 1097 925 1880 +15.32 ± 5.26 2 362 1055 526 6 +29.99 ± 10.44
ncm-dbt-05 06:42:51 583854 3890 1071 923 1896 +13.23 ± 5.22 5 357 1071 509 3 +26.85 ± 10.35
20000 5657 4632 9711 +17.82 ± 2.31 20 1737 5464 2756 23 +35.63 ± 4.58

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
397835 ncm-dbt-05 582694 390 103 100 187 +2.67 ± 16.48 0 42 109 43 1 +3.56 ± 32.48 ↓
397834 ncm-dbt-02 583866 390 114 81 195 +29.47 ± 16.46 0 29 105 60 1 +57.54 ± 33.15 ↓
397833 ncm-dbt-04 568673 402 120 101 181 +16.43 ± 16.4 0 38 106 57 0 +32.94 ± 33.1 ↓
397832 ncm-dbt-03 585885 404 119 86 199 +28.44 ± 15.71 0 29 111 62 0 +57.27 ± 32.15 ↓
397831 ncm-dbt-01 581277 414 123 89 202 +28.6 ± 15.41 0 29 115 63 0 +57.59 ± 31.52 ↓
397830 ncm-dbt-02 586689 500 144 108 248 +25.06 ± 13.89 0 35 145 69 1 +48.96 ± 27.86 ↓
397829 ncm-dbt-05 582527 500 128 106 266 +15.3 ± 14.96 1 47 131 71 0 +32.05 ± 29.77 ↓
397828 ncm-dbt-04 572356 500 151 114 235 +25.76 ± 14.98 0 43 128 78 1 +50.38 ± 30.14 ↓
397827 ncm-dbt-01 587537 500 146 118 236 +19.48 ± 14.78 1 42 136 70 1 +39.08 ± 29.11 ↓
397826 ncm-dbt-03 585295 500 146 106 248 +27.85 ± 14.75 1 37 134 77 1 +56.07 ± 29.34 ↓
397825 ncm-dbt-02 588941 500 140 105 255 +24.36 ± 13.84 0 35 146 68 1 +47.55 ± 27.73 ↓
397824 ncm-dbt-05 587452 500 141 122 237 +13.21 ± 14.28 0 46 139 65 0 +26.46 ± 28.74 ↓
397823 ncm-dbt-04 568991 500 146 107 247 +27.15 ± 14.57 0 39 134 76 1 +53.22 ± 29.35 ↓
397822 ncm-dbt-01 583447 500 144 108 248 +25.06 ± 14.02 0 37 140 73 0 +50.38 ± 28.55 ↓
397821 ncm-dbt-03 586985 500 134 115 251 +13.21 ± 14.92 0 51 129 70 0 +26.46 ± 30.03 ↓
397820 ncm-dbt-04 570909 500 133 116 251 +11.82 ± 13.9 0 44 145 61 0 +23.66 ± 27.95 ↓
397819 ncm-dbt-02 586097 500 144 94 262 +34.86 ± 14.7 0 37 126 87 0 +70.44 ± 30.38 ↓
397818 ncm-dbt-05 582068 500 140 123 237 +11.82 ± 14.43 0 48 137 65 0 +23.66 ± 29.01 ↓
397817 ncm-dbt-01 585169 500 147 115 238 +22.27 ± 15.23 1 44 128 76 1 +44.72 ± 30.15 ↓
397816 ncm-dbt-03 589027 500 133 118 249 +10.43 ± 13.23 1 36 161 51 1 +20.87 ± 25.71 ↓
397815 ncm-dbt-05 585000 500 138 126 236 +8.34 ± 14.52 1 47 142 59 1 +16.69 ± 28.36 ↓
397814 ncm-dbt-04 571190 500 127 128 245 -0.69 ± 14.23 0 55 141 54 0 -1.39 ± 28.5 ↓
397813 ncm-dbt-02 586308 500 143 124 233 +13.21 ± 14.8 1 46 137 65 1 +26.46 ± 29.0 ↓
397812 ncm-dbt-01 584537 500 144 127 229 +11.82 ± 14.81 0 50 134 65 1 +22.27 ± 29.4 ↓
397811 ncm-dbt-03 587409 500 144 117 239 +18.78 ± 14.6 1 42 136 71 0 +39.08 ± 29.11 ↓
396985 ncm-dbt-02 585674 500 143 122 235 +14.6 ± 15.16 1 48 131 69 1 +29.25 ± 29.78 ↓
396984 ncm-dbt-05 583572 500 138 123 239 +10.43 ± 15.07 1 50 133 65 1 +20.87 ± 29.53 ↓
396983 ncm-dbt-03 588515 500 162 113 225 +34.16 ± 13.58 0 29 143 78 0 +68.99 ± 28.02 ↓
396982 ncm-dbt-01 583572 500 133 107 260 +18.08 ± 15.3 2 45 128 75 0 +39.08 ± 30.15 ↓
396981 ncm-dbt-02 586435 500 141 115 244 +18.08 ± 14.93 0 48 128 74 0 +36.26 ± 30.15 ↓
396980 ncm-dbt-04 570068 500 139 132 229 +4.86 ± 15.35 1 56 129 63 1 +9.73 ± 30.04 ↓
396979 ncm-dbt-03 588728 500 141 114 245 +18.78 ± 15.1 0 47 131 70 2 +34.86 ± 29.77 ↓
396978 ncm-dbt-05 582736 500 144 112 244 +22.27 ± 13.4 0 34 150 66 0 +44.72 ± 27.18 ↓
396977 ncm-dbt-01 584664 500 134 114 252 +13.9 ± 14.6 0 47 137 65 1 +26.46 ± 29.0 ↓
396976 ncm-dbt-02 586308 500 144 118 238 +18.08 ± 14.92 1 44 134 70 1 +36.26 ± 29.38 ↓
396975 ncm-dbt-04 571070 500 134 114 252 +13.91 ± 14.6 1 45 137 67 0 +29.25 ± 29.0 ↓
396974 ncm-dbt-03 588047 500 144 126 230 +12.51 ± 14.23 2 40 146 62 0 +27.85 ± 27.8 ↓
396973 ncm-dbt-01 586816 500 134 118 248 +11.12 ± 14.24 0 47 140 63 0 +22.27 ± 28.62 ↓
396972 ncm-dbt-02 584748 500 148 126 226 +15.3 ± 14.58 1 44 137 68 0 +32.05 ± 29.0 ↓
396971 ncm-dbt-04 571431 500 147 113 240 +23.66 ± 14.96 0 42 135 70 3 +43.3 ± 29.24 ↓
396970 ncm-dbt-05 584790 500 139 111 250 +19.48 ± 15.15 2 43 130 75 0 +41.89 ± 29.89 ↓

Commit

Commit ID dc0c441b7c5178baa1bb0cc51b2d0294f58759a4
Author mstembera
Date 2022-09-17 07:30:52 UTC
Prioritize checks in movepicker give a little bonus for moving pieces to squares where they give check STC: https://tests.stockfishchess.org/tests/view/631da742162491686d2e40b5 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 80072 W: 21753 L: 21368 D: 36951 Ptnml(0-2): 421, 8876, 21075, 9225, 439 LTC: https://tests.stockfishchess.org/tests/view/631dd9e6b85daa436625de1d LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 263480 W: 70916 L: 70158 D: 122406 Ptnml(0-2): 322, 26156, 78029, 26908, 325 similar ideas have been tested by Viz and Guenther closes https://github.com/official-stockfish/Stockfish/pull/4165 bench: 4326572
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