Dev Builds » 20231111-1426

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 06:54:33 582675 4000 1392 678 1930 +62.69 ± 4.92 2 151 983 859 5 +129.15 ± 10.78
ncm-dbt-02 06:53:52 585757 3996 1405 609 1982 +70.15 ± 5.0 4 145 901 947 1 +147.15 ± 11.32
ncm-dbt-03 06:54:19 584092 4010 1441 677 1892 +67.01 ± 5.06 1 160 931 900 13 +136.99 ± 11.13
ncm-dbt-04 06:51:39 566535 4000 1428 648 1924 +68.63 ± 4.93 0 141 947 903 9 +141.23 ± 11.0
ncm-dbt-05 06:54:30 578830 3994 1403 642 1949 +67.02 ± 5.04 3 153 929 904 8 +138.41 ± 11.13
20000 7069 3254 9677 +67.1 ± 2.23 10 750 4691 4513 36 +138.55 ± 4.95

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
421788 ncm-dbt-03 581236 10 4 0 6 +147.05 ± 74.68 0 0 1 4 0 +381.35 ± 516.06
421787 ncm-dbt-02 587197 496 173 79 244 +66.65 ± 13.84 0 18 118 112 0 +138.6 ± 31.27
421786 ncm-dbt-05 579042 494 181 99 214 +58.21 ± 13.66 1 16 130 100 0 +121.47 ± 29.43
421785 ncm-dbt-01 583489 500 175 75 250 +70.44 ± 13.91 1 15 117 117 0 +148.85 ± 31.38
421784 ncm-dbt-04 567284 500 183 80 237 +72.61 ± 13.54 0 15 117 118 0 +152.18 ± 31.35
421783 ncm-dbt-03 584411 500 175 88 237 +61.07 ± 14.52 0 21 125 100 4 +119.89 ± 30.32
421782 ncm-dbt-02 586054 500 183 81 236 +71.88 ± 13.52 0 15 118 117 0 +150.51 ± 31.19
421781 ncm-dbt-01 582527 500 154 88 258 +46.13 ± 13.63 0 24 136 90 0 +93.95 ± 28.85
421780 ncm-dbt-05 580240 500 176 72 252 +73.34 ± 13.72 0 16 114 120 0 +153.86 ± 31.85
421779 ncm-dbt-03 583196 500 179 73 248 +74.79 ± 13.76 0 13 121 113 3 +152.18 ± 30.64
421778 ncm-dbt-04 565076 500 171 85 244 +60.36 ± 13.65 0 19 126 105 0 +124.6 ± 30.12
421777 ncm-dbt-01 582527 500 171 87 242 +58.93 ± 13.72 0 19 129 101 1 +119.89 ± 29.69
421776 ncm-dbt-02 581943 500 180 68 252 +79.17 ± 13.75 0 15 108 127 0 +167.53 ± 32.81
421775 ncm-dbt-05 582485 500 177 76 247 +71.16 ± 14.78 1 21 104 124 0 +150.51 ± 33.54
421774 ncm-dbt-03 585000 500 190 85 225 +74.06 ± 14.18 0 18 110 121 1 +153.86 ± 32.54
421773 ncm-dbt-04 567680 500 186 83 231 +72.61 ± 13.84 0 17 113 120 0 +152.18 ± 32.04
421772 ncm-dbt-02 584748 500 179 76 245 +72.61 ± 14.83 2 18 105 125 0 +155.54 ± 33.38
421771 ncm-dbt-01 581777 500 175 70 255 +74.06 ± 13.89 0 16 114 119 1 +153.86 ± 31.85
421770 ncm-dbt-03 582527 500 177 93 230 +58.93 ± 14.29 0 22 124 102 2 +118.33 ± 30.49
421769 ncm-dbt-05 579951 500 183 73 244 +77.7 ± 14.72 0 19 105 123 3 +158.93 ± 33.37
421768 ncm-dbt-04 566060 500 175 75 250 +70.43 ± 13.91 0 17 117 115 1 +145.54 ± 31.41
421767 ncm-dbt-02 588941 500 178 78 244 +70.44 ± 15.42 1 26 95 128 0 +148.85 ± 34.96
421766 ncm-dbt-05 580447 500 173 82 245 +63.95 ± 14.37 1 20 116 113 0 +134.15 ± 31.65
421765 ncm-dbt-01 581153 500 173 89 238 +58.93 ± 14.15 0 20 129 98 3 +116.78 ± 29.72
421764 ncm-dbt-04 568792 500 173 82 245 +63.94 ± 14.23 0 20 121 107 2 +129.35 ± 30.88
421763 ncm-dbt-03 584832 500 180 79 241 +71.16 ± 14.64 0 22 106 121 1 +147.19 ± 33.22
421762 ncm-dbt-02 582903 500 177 69 254 +76.25 ± 14.1 0 18 106 126 0 +160.64 ± 33.2
421761 ncm-dbt-04 567878 500 178 86 236 +64.66 ± 14.67 0 22 117 108 3 +129.35 ± 31.52
421760 ncm-dbt-05 576088 500 167 78 255 +62.51 ± 14.44 0 21 122 104 3 +124.6 ± 30.76
421759 ncm-dbt-01 584034 500 188 91 221 +68.27 ± 13.68 0 17 119 114 0 +142.26 ± 31.1
421758 ncm-dbt-03 586054 500 189 86 225 +72.61 ± 15.1 0 25 98 126 1 +150.51 ± 34.5
421757 ncm-dbt-02 586139 500 171 85 244 +60.36 ± 14.07 1 19 123 107 0 +126.18 ± 30.59
421756 ncm-dbt-04 561873 500 184 79 237 +74.06 ± 13.74 0 15 116 118 1 +153.86 ± 31.51
421755 ncm-dbt-05 574540 500 171 85 244 +60.36 ± 14.35 0 22 122 104 2 +121.46 ± 30.78
421754 ncm-dbt-01 581236 500 181 82 237 +69.71 ± 14.17 1 17 114 118 0 +147.19 ± 31.9
421753 ncm-dbt-03 584495 500 180 83 237 +68.27 ± 14.12 0 19 116 114 1 +140.62 ± 31.61
421752 ncm-dbt-04 567640 500 178 78 244 +70.43 ± 13.91 0 16 120 112 2 +143.89 ± 30.92
421751 ncm-dbt-02 588132 500 164 73 263 +63.94 ± 13.51 0 16 128 105 1 +130.94 ± 29.72
421750 ncm-dbt-05 577848 500 175 77 248 +68.99 ± 13.86 0 18 116 116 0 +143.89 ± 31.59
421749 ncm-dbt-01 584664 500 175 96 229 +55.36 ± 13.98 0 23 125 102 0 +113.68 ± 30.37
421748 ncm-dbt-03 585084 500 167 90 243 +53.94 ± 13.91 1 20 130 99 0 +112.14 ± 29.61

Commit

Commit ID fbc6b275051773b491c1c180fd7ff331194ca0f1
Author Linmiao Xu
Date 2023-11-11 14:26:56 UTC
Simplify away optimism average score offset params Passed non-regression STC: https://tests.stockfishchess.org/tests/view/654abf6b136acbc57352ac4b LLR: 2.97 (-2.94,2.94) <-1.75,0.25> Total: 49664 W: 12687 L: 12477 D: 24500 Ptnml(0-2): 138, 5840, 12703, 5976, 175 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/654b638e136acbc57352b961 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 347166 W: 85561 L: 85676 D: 175929 Ptnml(0-2): 206, 39569, 94150, 39450, 208 closes https://github.com/official-stockfish/Stockfish/pull/4871 bench 1257641
Copyright 2011–2025 Next Chess Move LLC