Dev Builds » 20180718-0614

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 06:32:00 583816 4000 26 2920 1054 -317.89 ± 8.55 933 1028 39 0 0 -802.69 ± 56.36
ncm-dbt-02 06:30:27 586785 4000 34 2954 1012 -322.67 ± 8.85 966 988 46 0 0 -773.7 ± 51.62
ncm-dbt-03 06:30:44 584961 4000 27 2982 991 -329.27 ± 8.91 987 982 30 1 0 -837.37 ± 64.86
ncm-dbt-04 06:32:09 568774 4026 36 2941 1049 -316.48 ± 8.6 940 1025 48 0 0 -767.36 ± 50.47
ncm-dbt-05 06:31:22 584115 3974 32 2920 1022 -320.25 ± 8.69 940 1009 37 1 0 -801.55 ± 57.92
20000 155 14717 5128 -321.26 ± 3.9 4766 5032 200 2 0 -794.78 ± 24.23

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
474159 ncm-dbt-04 568474 26 0 19 7 -323.03 ± 110.07 6 7 0 0 0 -1199.83 ± 147.58
474158 ncm-dbt-05 584706 474 7 356 111 -327.39 ± 27.33 120 109 8 0 0 -706.07 ± 146.44
474157 ncm-dbt-02 587240 500 3 364 133 -316.79 ± 24.87 118 125 7 0 0 -739.05 ± 163.27
474156 ncm-dbt-01 585674 500 1 385 114 -352.79 ± 26.75 135 114 1 0 0 -1078.89 ± 154.95
474155 ncm-dbt-03 581569 500 4 365 131 -316.79 ± 23.85 115 131 4 0 0 -837.28 ± 240.94
474154 ncm-dbt-04 568434 500 1 367 132 -324.16 ± 24.69 120 126 4 0 0 -837.28 ± 240.94
474153 ncm-dbt-05 586097 500 3 364 133 -316.79 ± 23.5 114 133 3 0 0 -887.58 ± 222.18
474152 ncm-dbt-02 585337 500 5 376 119 -331.76 ± 26.28 127 117 6 0 0 -766.17 ± 188.02
474151 ncm-dbt-01 581569 500 5 371 124 -324.16 ± 25.73 123 120 7 0 0 -739.05 ± 163.27
474150 ncm-dbt-03 585548 500 4 366 130 -318.24 ± 24.02 116 130 4 0 0 -837.28 ± 240.94
474149 ncm-dbt-04 568315 500 7 364 129 -311.05 ± 24.19 114 129 7 0 0 -739.05 ± 163.27
474148 ncm-dbt-05 584832 500 4 368 128 -321.18 ± 25.38 120 125 4 1 0 -766.23 ± 273.11
474147 ncm-dbt-02 585970 500 7 369 124 -318.24 ± 25.37 120 122 8 0 0 -715.51 ± 146.53
474146 ncm-dbt-03 585211 500 6 370 124 -321.18 ± 25.72 121 123 5 1 0 -739.1 ± 208.89
474145 ncm-dbt-01 584327 500 5 361 134 -309.64 ± 24.67 115 126 9 0 0 -694.7 ± 134.18
474144 ncm-dbt-04 565430 500 5 367 128 -318.24 ± 25.04 119 124 7 0 0 -739.05 ± 163.27
474143 ncm-dbt-05 582360 500 2 374 124 -333.31 ± 24.99 124 124 2 0 0 -958.31 ± 196.57
474142 ncm-dbt-02 585843 500 3 367 130 -321.18 ± 24.35 118 128 4 0 0 -837.28 ± 240.94
474141 ncm-dbt-03 585295 500 1 390 109 -361.42 ± 27.71 140 109 1 0 0 -1078.89 ± 154.95
474140 ncm-dbt-01 584159 500 6 352 142 -295.93 ± 22.43 103 140 7 0 0 -739.05 ± 163.27
474139 ncm-dbt-04 569749 500 8 356 136 -298.61 ± 23.95 109 130 11 0 0 -659.13 ± 116.77
474138 ncm-dbt-05 583489 500 4 367 129 -319.71 ± 24.18 117 129 4 0 0 -837.28 ± 240.94
474137 ncm-dbt-02 587749 500 2 367 131 -322.66 ± 23.8 117 131 2 0 0 -958.31 ± 196.57
474136 ncm-dbt-01 584537 500 3 363 134 -315.34 ± 24.03 115 130 5 0 0 -798.18 ± 231.48
474135 ncm-dbt-03 586223 500 2 375 123 -334.87 ± 25.54 126 121 3 0 0 -887.58 ± 222.18
474134 ncm-dbt-04 568434 500 5 360 135 -308.23 ± 23.54 111 133 6 0 0 -766.17 ± 188.02
474133 ncm-dbt-05 585253 500 3 384 113 -347.76 ± 28.17 137 107 6 0 0 -766.17 ± 188.02
474132 ncm-dbt-02 587537 500 7 371 122 -321.18 ± 26.05 123 118 9 0 0 -694.7 ± 134.18
474131 ncm-dbt-03 586181 500 2 374 124 -333.31 ± 25.36 125 122 3 0 0 -887.58 ± 222.18
474130 ncm-dbt-01 581943 500 0 357 143 -311.05 ± 22.86 110 137 3 0 0 -887.58 ± 222.18
474129 ncm-dbt-04 572114 500 3 363 134 -315.34 ± 24.03 115 130 5 0 0 -798.18 ± 231.48
474128 ncm-dbt-05 581735 500 6 348 146 -290.65 ± 21.5 98 146 6 0 0 -766.17 ± 188.02
474127 ncm-dbt-02 588132 500 2 377 121 -338.03 ± 25.51 127 121 2 0 0 -958.31 ± 196.57
474126 ncm-dbt-01 583782 500 3 368 129 -322.66 ± 24.52 119 127 4 0 0 -837.28 ± 240.94
474125 ncm-dbt-03 584790 500 2 373 125 -331.76 ± 25.56 125 121 4 0 0 -837.28 ± 240.94
474124 ncm-dbt-04 568633 500 4 373 123 -328.69 ± 25.21 123 123 4 0 0 -837.28 ± 240.94
474123 ncm-dbt-02 586477 500 5 363 132 -312.47 ± 24.68 116 126 8 0 0 -715.51 ± 146.53
474122 ncm-dbt-05 584453 500 3 359 138 -309.64 ± 23.04 110 136 4 0 0 -837.28 ± 240.94
474121 ncm-dbt-01 584537 500 3 363 134 -315.34 ± 23.34 113 134 3 0 0 -887.58 ± 222.18
474120 ncm-dbt-03 584874 500 6 369 125 -319.71 ± 24.87 119 125 6 0 0 -766.17 ± 188.02
474119 ncm-dbt-04 569390 500 3 372 125 -328.69 ± 25.21 123 123 4 0 0 -837.28 ± 240.94

Commit

Commit ID e0f317afaad77bdc265a586f06a30066b5129e4f
Author Gian-Carlo Pascutto
Date 2018-07-18 06:14:57 UTC
Allow Position::init() to be called multiple times. For the rationale to allow this, see commit a66c73deef420104e74b6645ee60e20b37fd8549 This was broken when cuckoo hashing was added, and subtly broke (for example) lichess' Android application, thus illustrating the original judgement was sound. No functional change.
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