Dev Builds » 20211221-1247

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 06:54:04 577991 4004 880 1157 1967 -24.07 ± 5.27 8 604 1052 333 5 -47.85 ± 10.47
ncm-dbt-02 06:53:10 586381 4000 885 1195 1920 -26.98 ± 5.25 5 630 1038 324 3 -53.93 ± 10.55
ncm-dbt-03 06:54:12 586842 4016 864 1163 1989 -25.92 ± 5.26 10 615 1050 330 3 -50.88 ± 10.49
ncm-dbt-04 06:52:21 564404 3986 838 1154 1994 -27.6 ± 5.27 7 626 1041 314 5 -55.2 ± 10.53
ncm-dbt-05 06:54:34 585235 3994 845 1171 1978 -28.42 ± 5.16 5 624 1062 304 2 -56.69 ± 10.41
20000 4312 5840 9848 -26.6 ± 2.34 35 3099 5243 1605 18 -52.9 ± 4.69

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
404882 ncm-dbt-03 587197 16 4 2 10 +43.65 ± 82.55 0 1 4 3 0 +88.74 ± 190.27
404881 ncm-dbt-04 571712 424 82 126 216 -36.19 ± 15.14 0 69 119 23 1 -74.89 ± 30.82
404880 ncm-dbt-01 586816 432 88 125 219 -29.83 ± 16.72 0 77 99 40 0 -60.11 ± 34.29
404879 ncm-dbt-05 580987 494 101 150 243 -34.58 ± 15.34 2 83 125 36 1 -68.39 ± 30.5
404878 ncm-dbt-02 588387 500 128 154 218 -18.08 ± 14.67 0 71 135 43 1 -37.67 ± 29.25
404877 ncm-dbt-03 587028 500 100 143 257 -29.95 ± 14.89 2 78 131 39 0 -57.5 ± 29.74
404876 ncm-dbt-04 509383 500 110 146 244 -25.06 ± 15.06 1 77 130 41 1 -50.38 ± 29.88
404875 ncm-dbt-01 526095 500 110 141 249 -21.57 ± 16.26 2 80 117 49 2 -43.3 ± 31.53
404874 ncm-dbt-05 587409 500 110 152 238 -29.25 ± 15.22 0 86 120 44 0 -58.93 ± 31.17
404873 ncm-dbt-02 587622 500 111 143 246 -22.27 ± 15.23 1 76 128 44 1 -44.72 ± 30.15
404872 ncm-dbt-04 573204 62 14 22 26 -45.08 ± 31.57 0 9 21 1 0 -91.73 ± 67.29
404871 ncm-dbt-01 581485 72 16 23 33 -33.88 ± 40.29 0 13 17 6 0 -68.43 ± 84.37
404870 ncm-dbt-03 585169 500 101 145 254 -30.65 ± 14.55 1 79 133 37 0 -60.36 ± 29.46
404869 ncm-dbt-05 586223 500 112 139 249 -18.78 ± 14.6 1 69 136 44 0 -36.26 ± 29.12
404868 ncm-dbt-02 585042 500 106 152 242 -32.06 ± 14.25 0 80 137 32 1 -66.1 ± 28.89
404867 ncm-dbt-04 571310 500 103 142 255 -27.16 ± 14.95 0 81 128 40 1 -56.07 ± 30.14
404866 ncm-dbt-01 586012 500 126 137 237 -7.64 ± 14.33 0 61 139 50 0 -15.3 ± 28.76
404865 ncm-dbt-03 588302 500 108 165 227 -39.78 ± 14.74 1 89 126 34 0 -79.17 ± 30.36
404864 ncm-dbt-05 583950 500 91 145 264 -37.67 ± 14.08 0 84 137 28 1 -77.71 ± 28.83
404863 ncm-dbt-02 583992 500 113 141 246 -19.48 ± 15.28 1 75 125 49 0 -37.67 ± 30.53
404862 ncm-dbt-01 584706 500 109 151 240 -29.25 ± 15.34 4 74 133 38 1 -54.65 ± 29.48
404861 ncm-dbt-04 570509 500 102 136 262 -23.66 ± 14.45 1 71 140 37 1 -47.55 ± 28.56
404860 ncm-dbt-03 587155 500 118 142 240 -16.69 ± 14.94 1 69 134 45 1 -33.46 ± 29.39
404859 ncm-dbt-05 586646 500 118 151 231 -22.96 ± 14.27 1 70 140 39 0 -44.72 ± 28.57
404858 ncm-dbt-02 584916 500 107 153 240 -32.05 ± 14.77 1 82 129 38 0 -63.23 ± 29.99
404857 ncm-dbt-01 583908 500 104 147 249 -29.95 ± 13.97 0 77 139 34 0 -60.36 ± 28.64
404856 ncm-dbt-04 571994 500 115 143 242 -19.48 ± 15.28 0 78 122 50 0 -39.08 ± 30.91
404855 ncm-dbt-03 586350 500 105 137 258 -22.27 ± 15.23 1 76 128 44 1 -44.72 ± 30.15
404854 ncm-dbt-05 585337 500 104 155 241 -35.56 ± 13.53 0 79 143 28 0 -71.89 ± 28.0
404853 ncm-dbt-02 588004 500 107 149 244 -29.25 ± 14.32 0 79 134 37 0 -58.93 ± 29.33
404852 ncm-dbt-04 570869 500 91 148 261 -39.78 ± 14.48 1 87 130 32 0 -79.17 ± 29.81
404851 ncm-dbt-01 585084 500 112 143 245 -21.57 ± 14.03 0 70 141 39 0 -43.3 ± 28.43
404850 ncm-dbt-03 588771 500 113 154 233 -28.55 ± 15.3 4 73 134 38 1 -53.22 ± 29.35
404849 ncm-dbt-04 571351 500 106 143 251 -25.76 ± 15.11 3 73 132 42 0 -47.55 ± 29.63
404848 ncm-dbt-05 588302 500 100 133 267 -22.96 ± 15.28 0 81 121 48 0 -46.13 ± 31.04
404847 ncm-dbt-02 587792 500 104 149 247 -31.35 ± 14.98 1 83 126 40 0 -61.79 ± 30.39
404846 ncm-dbt-01 584579 500 109 141 250 -22.27 ± 14.98 1 74 132 42 1 -44.72 ± 29.63
404845 ncm-dbt-03 587028 500 110 135 255 -17.39 ± 14.87 0 73 129 48 0 -34.86 ± 30.03
404844 ncm-dbt-04 569310 500 115 148 237 -22.96 ± 15.76 1 81 119 48 1 -46.13 ± 31.29
404843 ncm-dbt-02 585295 500 109 154 237 -31.35 ± 15.11 1 84 124 41 0 -61.79 ± 30.65
404842 ncm-dbt-01 583237 500 106 149 245 -29.95 ± 14.63 1 78 135 35 1 -60.36 ± 29.19
404841 ncm-dbt-05 583028 500 109 146 245 -25.76 ± 14.21 1 72 140 37 0 -50.38 ± 28.55
404840 ncm-dbt-03 584579 500 105 140 255 -24.36 ± 14.63 0 77 131 42 0 -48.96 ± 29.75

Commit

Commit ID 88f17a814d80cdb32ccf9efb7b56bb36d7bf052b
Author bmc4
Date 2021-12-21 12:47:57 UTC
Update Elo estimates for terms in search This updates estimates from 2yr ago #2401, and adds missing terms. All tests run at 10+0.1 (STC), 20000 games, error bars +- 1.8 Elo, book 8moves_v3.png. A table of Elo values with the links to the corresponding tests can be found at the PR closes https://github.com/official-stockfish/Stockfish/pull/3868 Non-functional Change
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