Dev Builds » 20201112-1149

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 06:45:43 582586 4014 305 1863 1846 -142.31 ± 4.94 99 1393 482 33 0 -320.42 ± 15.53
ncm-dbt-02 06:45:29 587302 4006 318 1844 1844 -139.37 ± 4.95 91 1380 497 34 1 -313.14 ± 15.29
ncm-dbt-03 06:45:22 586512 4000 286 1824 1890 -140.83 ± 4.88 83 1410 469 38 0 -320.82 ± 15.75
ncm-dbt-04 06:45:35 566922 3992 266 1829 1897 -143.7 ± 4.94 99 1396 471 29 1 -325.64 ± 15.71
ncm-dbt-05 06:45:47 583605 3988 280 1867 1841 -146.34 ± 4.95 102 1417 441 34 0 -333.89 ± 16.24
20000 1455 9227 9318 -142.5 ± 2.21 474 6996 2360 168 2 -322.67 ± 7.01

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
442924 ncm-dbt-02 586858 6 1 3 2 -120.22 ± 109.7 0 2 1 0 0 -279.24 ± 576.89
442923 ncm-dbt-01 581569 14 1 6 7 -129.72 ± 68.06 0 5 2 0 0 -311.09 ± 530.6
442922 ncm-dbt-05 581943 488 38 234 216 -147.87 ± 14.76 16 168 56 4 0 -328.47 ± 46.2
442921 ncm-dbt-04 567799 492 45 229 218 -136.56 ± 14.26 11 167 63 5 0 -303.56 ± 43.45
442920 ncm-dbt-03 586181 500 27 238 235 -156.39 ± 13.36 15 182 52 1 0 -366.78 ± 47.92
442919 ncm-dbt-02 587113 500 36 244 220 -153.86 ± 13.88 16 178 54 2 0 -352.8 ± 47.05
442918 ncm-dbt-01 579785 500 31 224 245 -141.44 ± 14.15 15 165 68 2 0 -309.64 ± 41.56
442917 ncm-dbt-05 584790 500 42 237 221 -143.07 ± 13.73 12 174 61 3 0 -324.17 ± 44.15
442916 ncm-dbt-04 566888 500 32 227 241 -143.07 ± 13.54 10 179 57 4 0 -330.23 ± 45.79
442915 ncm-dbt-03 588217 500 38 230 232 -140.62 ± 12.64 8 177 64 1 0 -327.18 ± 42.83
442914 ncm-dbt-01 582945 500 33 232 235 -146.36 ± 15.42 16 176 49 9 0 -324.17 ± 48.88
442913 ncm-dbt-02 587070 500 44 224 232 -130.94 ± 14.72 12 163 68 7 0 -282.94 ± 41.76
442912 ncm-dbt-04 564017 500 27 236 237 -154.7 ± 13.85 16 179 53 2 0 -356.21 ± 47.52
442911 ncm-dbt-05 584117 500 36 232 232 -143.89 ± 13.31 10 179 58 3 0 -333.32 ± 45.35
442910 ncm-dbt-03 588047 500 38 228 234 -138.99 ± 14.91 15 166 63 6 0 -301.33 ± 43.45
442909 ncm-dbt-02 589411 500 46 232 222 -135.76 ± 14.64 13 166 65 6 0 -295.94 ± 42.75
442908 ncm-dbt-01 580738 500 39 226 235 -136.56 ± 13.17 8 174 65 3 0 -312.48 ± 42.67
442907 ncm-dbt-04 565233 500 27 230 243 -149.68 ± 13.86 15 175 58 2 0 -339.63 ± 45.29
442906 ncm-dbt-05 582861 500 34 233 233 -146.36 ± 14.72 13 181 48 8 0 -333.32 ± 49.54
442905 ncm-dbt-03 586985 500 35 227 238 -140.62 ± 13.62 9 179 57 5 0 -324.17 ± 45.77
442904 ncm-dbt-02 587707 500 43 235 222 -140.62 ± 13.99 9 181 53 7 0 -324.17 ± 47.35
442903 ncm-dbt-01 585042 500 39 244 217 -151.34 ± 13.99 13 184 48 5 0 -352.8 ± 49.98
442902 ncm-dbt-04 564331 500 33 217 250 -134.15 ± 14.15 10 169 67 3 1 -301.33 ± 42.04
442901 ncm-dbt-05 585000 500 24 234 242 -155.54 ± 14.2 18 176 54 2 0 -352.8 ± 47.05
442900 ncm-dbt-03 586901 500 36 220 244 -134.15 ± 13.97 9 172 63 6 0 -301.33 ± 43.45
442899 ncm-dbt-01 579331 500 49 242 209 -141.44 ± 14.51 15 167 64 4 0 -309.64 ± 43.08
442898 ncm-dbt-02 585506 500 36 231 233 -143.07 ± 13.91 12 175 59 4 0 -324.17 ± 44.97
442897 ncm-dbt-04 570709 500 38 220 242 -132.54 ± 15.03 13 164 65 8 0 -285.49 ± 42.7
442896 ncm-dbt-05 584159 500 30 233 237 -149.68 ± 13.86 12 184 49 5 0 -349.43 ± 49.46
442895 ncm-dbt-03 583028 500 43 232 225 -138.18 ± 13.12 7 179 60 4 0 -321.19 ± 44.57
442894 ncm-dbt-02 586901 500 34 225 241 -139.81 ± 13.26 9 175 65 0 1 -324.17 ± 42.47
442893 ncm-dbt-01 583866 500 34 229 237 -143.07 ± 13.54 9 182 54 5 0 -333.32 ± 47.06
442892 ncm-dbt-04 566375 500 34 235 231 -148.02 ± 14.12 13 180 52 5 0 -339.63 ± 47.98
442891 ncm-dbt-02 587749 500 42 227 231 -134.95 ± 13.78 11 166 70 3 0 -298.62 ± 41.01
442890 ncm-dbt-05 582945 500 42 230 228 -137.37 ± 14.6 13 168 63 6 0 -301.33 ± 43.45
442889 ncm-dbt-03 585801 500 34 227 239 -141.44 ± 15.03 15 170 58 7 0 -309.64 ± 45.27
442888 ncm-dbt-01 585379 500 29 231 240 -148.85 ± 12.91 10 184 54 2 0 -352.8 ± 47.05
442887 ncm-dbt-04 570029 500 30 235 235 -151.34 ± 12.57 11 183 56 0 0 -359.67 ± 45.87
442886 ncm-dbt-05 583028 500 34 234 232 -147.19 ± 12.78 8 187 52 3 0 -352.8 ± 48.05
442885 ncm-dbt-03 586943 500 35 222 243 -136.56 ± 13.55 5 185 52 8 0 -321.19 ± 47.67
442884 ncm-dbt-02 587409 500 36 223 241 -136.56 ± 13.73 9 174 62 5 0 -309.64 ± 43.82
442883 ncm-dbt-01 584622 500 50 229 221 -130.14 ± 14.23 13 156 78 3 0 -277.93 ± 38.66

Commit

Commit ID 285bf7041ad214156188823eb9118e6af7f4b2e4
Author SFisGOD
Date 2020-11-12 11:49:03 UTC
Increase reduction at root when the best move does not change frequently STC: LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 51320 W: 5159 L: 4956 D: 41205 Ptnml(0-2): 215, 3897, 17242, 4082, 224 https://tests.stockfishchess.org/tests/view/5faa072367cbf42301d6a767 LTC: LLR: 2.98 (-2.94,2.94) {0.25,1.25} Total: 15952 W: 762 L: 642 D: 14548 Ptnml(0-2): 8, 561, 6725, 667, 15 https://tests.stockfishchess.org/tests/view/5faa4c3567cbf42301d6a794 closes https://github.com/official-stockfish/Stockfish/pull/3225 Bench: 3954692
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