Dev Builds » 20200809-2149

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 06:31:36 583001 4012 84 2605 1323 -256.65 ± 6.85 621 1280 104 1 0 -626.57 ± 33.77
ncm-dbt-02 06:32:12 585779 4002 79 2532 1391 -247.94 ± 6.45 556 1342 102 1 0 -629.52 ± 34.11
ncm-dbt-03 06:30:57 585054 4000 66 2572 1362 -255.58 ± 6.68 600 1307 92 1 0 -647.44 ± 35.97
ncm-dbt-04 06:31:29 568407 4000 77 2588 1335 -256.3 ± 6.91 620 1274 103 3 0 -621.05 ± 33.93
ncm-dbt-05 06:32:52 580686 3986 67 2580 1339 -257.86 ± 6.8 613 1289 89 2 0 -648.72 ± 36.58
20000 373 12877 6750 -254.84 ± 3.01 3010 6492 490 8 0 -634.3 ± 15.42

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
461831 ncm-dbt-02 586562 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
461830 ncm-dbt-01 584790 12 0 10 2 -415.8 ± 467.46 4 2 0 0 0 -1199.83 ± 215.27
461829 ncm-dbt-05 581319 486 10 312 164 -252.68 ± 20.04 75 152 16 0 0 -587.17 ± 92.21
461828 ncm-dbt-03 585379 500 12 326 162 -256.44 ± 20.62 81 153 15 1 0 -581.4 ± 95.42
461827 ncm-dbt-04 568872 500 10 328 162 -261.07 ± 19.66 80 158 12 0 0 -643.67 ± 110.29
461826 ncm-dbt-02 583405 500 8 326 166 -261.07 ± 18.83 77 164 9 0 0 -694.7 ± 134.18
461825 ncm-dbt-01 585885 500 10 315 175 -246.3 ± 18.04 68 169 13 0 0 -629.41 ± 104.8
461824 ncm-dbt-05 584706 500 11 320 169 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
461823 ncm-dbt-01 580738 500 14 330 156 -258.74 ± 20.15 81 154 15 0 0 -603.84 ± 95.91
461822 ncm-dbt-04 568872 500 6 319 175 -255.29 ± 18.11 72 169 9 0 0 -694.7 ± 134.18
461821 ncm-dbt-03 586223 500 7 318 175 -253.02 ± 18.64 73 165 12 0 0 -643.67 ± 110.29
461820 ncm-dbt-02 586985 500 6 321 173 -257.59 ± 18.95 76 163 11 0 0 -659.13 ± 116.77
461819 ncm-dbt-05 578671 500 5 326 169 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
461818 ncm-dbt-02 585126 500 11 305 184 -234.38 ± 17.48 60 175 14 1 0 -592.29 ± 99.42
461817 ncm-dbt-03 584495 500 7 326 167 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
461816 ncm-dbt-01 581402 500 11 316 173 -246.3 ± 18.3 69 167 14 0 0 -616.18 ± 100.06
461815 ncm-dbt-04 567522 500 11 322 167 -253.02 ± 19.93 78 155 17 0 0 -581.38 ± 88.96
461814 ncm-dbt-05 577971 500 4 334 162 -275.44 ± 19.71 86 158 6 0 0 -766.17 ± 188.02
461813 ncm-dbt-02 585590 500 13 317 170 -245.19 ± 19.17 72 160 18 0 0 -571.09 ± 86.01
461812 ncm-dbt-03 585843 500 7 327 166 -263.41 ± 19.95 82 156 12 0 0 -643.67 ± 110.29
461811 ncm-dbt-01 585169 500 7 326 167 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
461810 ncm-dbt-04 571070 500 11 329 160 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
461809 ncm-dbt-05 582527 500 7 320 173 -255.29 ± 19.19 76 161 13 0 0 -629.41 ± 104.8
461808 ncm-dbt-03 586266 500 8 312 180 -245.19 ± 17.09 64 176 10 0 0 -676.04 ± 124.55
461807 ncm-dbt-01 580530 500 11 328 161 -259.9 ± 20.81 84 149 17 0 0 -581.38 ± 88.96
461806 ncm-dbt-02 586477 500 6 310 184 -245.19 ± 16.24 61 182 7 0 0 -739.05 ± 163.27
461805 ncm-dbt-04 567165 500 11 331 158 -263.41 ± 21.25 86 149 14 1 0 -592.29 ± 99.42
461804 ncm-dbt-05 583363 500 14 324 162 -251.89 ± 19.28 75 160 15 0 0 -603.84 ± 95.91
461803 ncm-dbt-03 584369 500 13 316 171 -244.09 ± 18.52 69 165 16 0 0 -592.27 ± 92.24
461802 ncm-dbt-02 585084 500 8 307 185 -239.73 ± 17.44 63 173 14 0 0 -616.18 ± 100.06
461801 ncm-dbt-01 582402 500 10 332 158 -265.77 ± 20.24 84 154 12 0 0 -643.67 ± 110.29
461800 ncm-dbt-04 566533 500 12 324 164 -254.16 ± 20.57 80 153 16 1 0 -571.11 ± 91.87
461799 ncm-dbt-03 583279 500 3 337 160 -280.42 ± 20.3 90 154 6 0 0 -766.17 ± 188.02
461798 ncm-dbt-05 579785 500 6 318 176 -254.15 ± 17.68 70 172 8 0 0 -715.51 ± 146.53
461797 ncm-dbt-01 582360 500 11 322 167 -253.02 ± 18.91 74 163 13 0 0 -629.41 ± 104.8
461796 ncm-dbt-04 567680 500 9 312 179 -244.09 ± 17.22 64 175 11 0 0 -659.13 ± 116.77
461795 ncm-dbt-02 585337 500 15 309 176 -234.38 ± 17.48 61 172 17 0 0 -581.38 ± 88.96
461794 ncm-dbt-01 583740 500 10 326 164 -258.75 ± 19.63 78 161 10 1 0 -643.7 ± 122.54
461793 ncm-dbt-03 584579 500 9 310 181 -241.91 ± 17.72 65 171 14 0 0 -616.18 ± 100.06
461792 ncm-dbt-05 577151 500 10 326 164 -258.75 ± 20.15 79 160 9 2 0 -629.43 ± 125.74
461791 ncm-dbt-02 587452 500 12 336 152 -268.16 ± 20.54 86 152 12 0 0 -643.67 ± 110.29
461790 ncm-dbt-04 569549 500 7 323 170 -258.75 ± 20.41 81 155 13 1 0 -603.86 ± 103.96

Commit

Commit ID a6e89293df5af35931b61d86b6de3872a981c100
Author Dariusz Orzechowski
Date 2020-08-09 21:49:14 UTC
Avoid special casing for MinGW after some testing, no version of MinGW/gcc has been found where this code is still necessary. Probably older code (pre-c++17?) closes https://github.com/official-stockfish/Stockfish/pull/2891 No functional change
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