Dev Builds » 20220927-0554

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 06:52:59 582825 4016 1149 924 1943 +19.49 ± 5.21 8 341 1082 572 5 +39.62 ± 10.31
ncm-dbt-02 06:52:22 585319 4000 1114 908 1978 +17.91 ± 5.27 6 364 1050 578 2 +36.62 ± 10.49
ncm-dbt-03 06:53:14 584404 4002 1171 948 1883 +19.38 ± 5.19 3 349 1076 568 5 +38.53 ± 10.34
ncm-dbt-04 06:53:05 569989 3986 1104 869 2013 +20.51 ± 5.22 3 348 1055 585 2 +41.34 ± 10.46
ncm-dbt-05 06:53:55 582312 3996 1132 918 1946 +18.62 ± 5.31 9 354 1055 574 6 +37.88 ± 10.46
20000 5670 4567 9763 +19.18 ± 2.34 29 1756 5318 2877 20 +38.8 ± 4.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
431906 ncm-dbt-03 584117 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02 ↓
431905 ncm-dbt-01 583866 16 6 4 6 +43.65 ± 82.55 0 1 4 3 0 +88.74 ± 190.27 ↓
431904 ncm-dbt-04 566375 486 139 100 247 +27.94 ± 14.85 0 39 126 78 0 +56.25 ± 30.35 ↓
431903 ncm-dbt-05 579331 496 147 116 233 +21.74 ± 15.91 2 47 117 82 0 +46.51 ± 31.54 ↓
431902 ncm-dbt-02 586731 500 145 126 229 +13.21 ± 14.02 0 44 143 63 0 +26.46 ± 28.21 ↓
431901 ncm-dbt-03 585169 500 143 120 237 +15.99 ± 13.85 0 41 145 64 0 +32.05 ± 27.93 ↓
431900 ncm-dbt-01 583447 500 135 118 247 +11.82 ± 13.07 1 35 160 54 0 +25.06 ± 25.84 ↓
431899 ncm-dbt-04 570989 500 144 110 246 +23.66 ± 14.32 0 40 136 74 0 +47.55 ± 29.1 ↓
431898 ncm-dbt-02 584369 500 143 103 254 +27.86 ± 15.0 1 40 127 82 0 +57.5 ± 30.27 ↓
431897 ncm-dbt-05 576619 500 142 123 235 +13.21 ± 14.92 0 50 132 67 1 +25.06 ± 29.65 ↓
431896 ncm-dbt-03 582485 500 151 121 228 +20.87 ± 15.13 1 44 130 74 1 +41.89 ± 29.89 ↓
431895 ncm-dbt-01 578506 500 149 111 240 +26.45 ± 15.88 0 50 113 86 1 +51.8 ± 32.03 ↓
431894 ncm-dbt-04 571110 500 136 108 256 +19.48 ± 15.4 1 48 123 78 0 +40.48 ± 30.78 ↓
431893 ncm-dbt-05 583908 500 143 101 256 +29.25 ± 14.59 1 35 136 77 1 +58.93 ± 29.06 ↓
431892 ncm-dbt-02 584243 500 132 121 247 +7.65 ± 15.21 1 54 128 67 0 +16.69 ± 30.16 ↓
431891 ncm-dbt-03 583447 500 140 122 238 +12.51 ± 15.24 2 48 130 70 0 +27.85 ± 29.9 ↓
431890 ncm-dbt-01 585632 500 143 119 238 +16.69 ± 14.82 0 47 133 69 1 +32.05 ± 29.52 ↓
431889 ncm-dbt-04 572356 500 147 116 237 +21.57 ± 14.68 0 44 131 75 0 +43.3 ± 29.76 ↓
431888 ncm-dbt-05 585885 500 148 110 242 +26.46 ± 15.03 1 40 130 78 1 +53.22 ± 29.88 ↓
431887 ncm-dbt-03 585253 500 154 120 226 +23.66 ± 13.92 0 36 145 68 1 +46.13 ± 27.87 ↓
431886 ncm-dbt-02 586477 500 148 114 238 +23.66 ± 14.96 1 42 129 78 0 +48.96 ± 30.01 ↓
431885 ncm-dbt-01 584243 500 137 124 239 +9.04 ± 14.58 2 45 141 62 0 +20.87 ± 28.49 ↓
431884 ncm-dbt-04 571592 500 139 103 258 +25.06 ± 15.31 0 46 123 80 1 +48.96 ± 30.78 ↓
431883 ncm-dbt-03 583614 500 151 114 235 +25.76 ± 15.11 0 43 129 76 2 +48.96 ± 30.01 ↓
431882 ncm-dbt-05 582945 500 138 110 252 +19.48 ± 15.15 2 41 136 69 2 +39.08 ± 29.11 ↓
431881 ncm-dbt-02 587877 500 143 119 238 +16.69 ± 15.44 1 49 126 73 1 +33.46 ± 30.41 ↓
431880 ncm-dbt-01 578918 500 136 115 249 +14.6 ± 14.91 1 47 132 70 0 +30.65 ± 29.65 ↓
431879 ncm-dbt-04 568434 500 117 106 277 +7.65 ± 14.33 1 47 142 60 0 +16.69 ± 28.36 ↓
431878 ncm-dbt-05 585970 500 135 127 238 +5.56 ± 15.53 2 54 129 64 1 +12.51 ± 30.04 ↓
431877 ncm-dbt-03 584411 500 140 112 248 +19.48 ± 14.39 0 43 136 71 0 +39.08 ± 29.11 ↓
431876 ncm-dbt-01 585843 500 144 109 247 +24.36 ± 15.01 0 42 134 71 3 +44.72 ± 29.37 ↓
431875 ncm-dbt-02 585169 500 127 99 274 +19.48 ± 15.4 1 48 123 78 0 +40.48 ± 30.78 ↓
431874 ncm-dbt-04 568951 500 139 112 249 +18.78 ± 14.21 0 41 142 66 1 +36.26 ± 28.32 ↓
431873 ncm-dbt-05 581818 500 144 117 239 +18.78 ± 13.94 0 40 143 67 0 +37.67 ± 28.18 ↓
431872 ncm-dbt-03 584832 500 143 114 243 +20.17 ± 14.83 0 45 132 72 1 +39.08 ± 29.64 ↓
431871 ncm-dbt-02 583782 500 130 118 252 +8.34 ± 14.52 1 48 139 62 0 +18.08 ± 28.75 ↓
431870 ncm-dbt-01 581402 500 150 109 241 +28.56 ± 14.92 2 36 131 81 0 +60.36 ± 29.73 ↓
431869 ncm-dbt-04 570108 500 143 114 243 +20.18 ± 14.83 1 43 132 74 0 +41.89 ± 29.63 ↓
431868 ncm-dbt-02 583908 500 146 108 246 +26.45 ± 14.52 0 39 135 75 1 +51.8 ± 29.22 ↓
431867 ncm-dbt-01 583572 500 149 115 236 +23.66 ± 14.83 2 38 134 76 0 +50.38 ± 29.35 ↓
431866 ncm-dbt-05 582027 500 135 114 251 +14.6 ± 14.91 1 47 132 70 0 +30.65 ± 29.65 ↓
431865 ncm-dbt-03 586308 500 148 125 227 +15.99 ± 14.89 0 49 129 72 0 +32.05 ± 30.03 ↓

Commit

Commit ID 232bf19be43117cdecea054c9a825735f0b47842
Author peregrineshahin
Date 2022-09-27 05:54:36 UTC
Simplify both position calls in useClassical Simplify the use of classical evaluation when using default settings to only be dependent on piece count and decisive PSQ passed STC: https://tests.stockfishchess.org/tests/view/632d32a7006ef9eb96d86ce9 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 108048 W: 28904 L: 28763 D: 50381 Ptnml(0-2): 383, 12060, 29006, 12183, 392 passed LTC: https://tests.stockfishchess.org/tests/view/632d705a006ef9eb96d87649 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 76600 W: 20671 L: 20516 D: 35413 Ptnml(0-2): 34, 7533, 23023, 7664, 46 Inspired by sorais, credit to him. closes https://github.com/official-stockfish/Stockfish/pull/4177 bench 4173163
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