Dev Builds » 20200627-0822

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 06:28:40 583844 4020 70 2572 1378 -253.24 ± 6.53 584 1335 90 1 0 -652.15 ± 36.38
ncm-dbt-02 06:29:07 586726 4000 63 2556 1381 -253.73 ± 6.6 585 1326 86 3 0 -651.27 ± 37.2
ncm-dbt-03 06:28:53 585635 4002 78 2561 1363 -252.14 ± 6.62 584 1316 100 1 0 -632.99 ± 34.46
ncm-dbt-04 06:28:06 568195 3984 66 2550 1368 -253.87 ± 6.62 585 1316 89 2 0 -648.63 ± 36.58
ncm-dbt-05 06:29:33 583774 3994 77 2547 1370 -251.01 ± 6.69 583 1307 104 3 0 -619.15 ± 33.76
20000 354 12786 6860 -252.8 ± 2.96 2921 6600 469 10 0 -640.39 ± 15.76

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
462873 ncm-dbt-03 584664 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
462872 ncm-dbt-01 582485 20 0 14 6 -301.09 ± 112.75 4 6 0 0 0 -1199.83 ± 170.51
462871 ncm-dbt-04 565037 484 6 301 177 -246.02 ± 17.57 63 169 10 0 0 -670.28 ± 124.51
462870 ncm-dbt-05 582652 494 2 309 183 -252.71 ± 17.64 68 171 8 0 0 -713.38 ± 146.51
462869 ncm-dbt-02 586393 500 4 325 171 -264.59 ± 18.41 76 170 3 1 0 -798.25 ± 263.18
462868 ncm-dbt-03 586012 500 3 319 178 -258.74 ± 16.78 69 178 3 0 0 -887.58 ± 222.18
462867 ncm-dbt-01 585337 500 10 320 170 -251.89 ± 19.02 74 162 14 0 0 -616.18 ± 100.06
462866 ncm-dbt-04 570669 500 10 330 160 -263.41 ± 19.95 82 156 12 0 0 -643.67 ± 110.29
462865 ncm-dbt-05 583950 500 15 306 179 -231.21 ± 18.49 62 169 17 2 0 -543.25 ± 87.6
462864 ncm-dbt-02 587749 500 5 317 178 -254.16 ± 18.24 71 171 7 1 0 -694.74 ± 156.93
462863 ncm-dbt-03 586816 500 19 319 162 -240.82 ± 19.07 70 160 20 0 0 -552.07 ± 80.89
462862 ncm-dbt-01 585042 500 11 327 162 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
462861 ncm-dbt-04 568236 500 11 327 162 -258.74 ± 19.63 79 158 13 0 0 -629.41 ± 104.8
462860 ncm-dbt-05 583698 500 6 324 170 -261.07 ± 18.55 76 166 8 0 0 -715.51 ± 146.53
462859 ncm-dbt-02 585885 500 6 318 176 -254.15 ± 17.97 71 170 9 0 0 -694.7 ± 134.18
462858 ncm-dbt-03 587579 500 7 328 165 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
462857 ncm-dbt-01 584495 500 7 325 168 -261.07 ± 18.83 77 164 9 0 0 -694.7 ± 134.18
462856 ncm-dbt-04 568514 500 5 313 182 -249.64 ± 17.11 66 176 8 0 0 -715.51 ± 146.53
462855 ncm-dbt-05 583824 500 18 321 161 -244.09 ± 19.51 73 157 20 0 0 -552.07 ± 80.89
462854 ncm-dbt-03 583531 500 9 324 167 -257.59 ± 19.22 77 161 12 0 0 -643.67 ± 110.29
462853 ncm-dbt-02 586308 500 4 320 176 -258.74 ± 17.98 73 170 7 0 0 -739.05 ± 163.27
462852 ncm-dbt-01 583824 500 2 319 179 -259.9 ± 17.83 73 171 6 0 0 -766.17 ± 188.02
462851 ncm-dbt-04 567918 500 1 329 170 -272.99 ± 19.12 83 162 5 0 0 -798.18 ± 231.48
462850 ncm-dbt-03 586943 500 10 322 168 -254.15 ± 19.82 78 156 16 0 0 -592.27 ± 92.24
462849 ncm-dbt-05 583992 500 8 319 173 -253.02 ± 18.64 73 165 12 0 0 -643.67 ± 110.29
462848 ncm-dbt-02 586393 500 6 336 158 -275.44 ± 20.01 87 156 7 0 0 -739.05 ± 163.27
462847 ncm-dbt-01 582611 500 13 313 174 -240.82 ± 17.84 65 170 15 0 0 -603.84 ± 95.91
462846 ncm-dbt-05 586816 500 9 312 179 -244.09 ± 16.95 63 177 10 0 0 -676.04 ± 124.55
462845 ncm-dbt-04 567759 500 10 319 171 -250.76 ± 19.39 74 162 13 1 0 -603.86 ± 103.96
462844 ncm-dbt-02 586604 500 15 302 183 -227.03 ± 17.68 59 169 22 0 0 -534.79 ± 76.59
462843 ncm-dbt-03 583992 500 13 318 169 -246.3 ± 18.3 69 167 14 0 0 -616.18 ± 100.06
462842 ncm-dbt-01 582903 500 10 313 177 -244.1 ± 18.52 68 168 13 1 0 -603.86 ± 103.96
462841 ncm-dbt-04 569589 500 13 306 181 -233.32 ± 17.34 60 173 17 0 0 -581.38 ± 88.96
462840 ncm-dbt-05 582027 500 9 324 167 -257.59 ± 20.76 82 152 15 1 0 -581.4 ± 95.42
462839 ncm-dbt-01 584664 500 8 328 164 -263.41 ± 19.68 81 158 11 0 0 -659.13 ± 116.77
462838 ncm-dbt-02 586858 500 9 319 172 -251.89 ± 18.76 73 164 13 0 0 -629.41 ± 104.8
462837 ncm-dbt-03 585295 500 6 318 176 -254.15 ± 18.24 72 168 10 0 0 -676.04 ± 124.55
462836 ncm-dbt-04 567839 500 10 325 165 -257.59 ± 19.75 78 160 11 1 0 -629.43 ± 115.29
462835 ncm-dbt-01 583237 500 9 313 178 -245.19 ± 17.09 64 176 10 0 0 -676.04 ± 124.55
462834 ncm-dbt-03 585885 500 11 312 177 -241.91 ± 18.73 68 166 15 1 0 -581.4 ± 95.42
462833 ncm-dbt-02 587622 500 14 319 167 -246.3 ± 20.03 75 156 18 1 0 -552.08 ± 85.8
462832 ncm-dbt-05 583237 500 10 332 158 -265.77 ± 20.77 86 150 14 0 0 -616.18 ± 100.06

Commit

Commit ID ca41ee6632368676a2fb98fd2970ac9b183f0aa9
Author Joost VandeVondele
Date 2020-06-27 08:22:27 UTC
Revert LTO for mingw on windows. LTO with static linking is still only working with the latest versions of gcc, causing problems for some devs. on a modern mingw toolchain LTO optimizations can still be enabled as: ``` CXXFLAGS='-flto' make -j ARCH=x86-64-modern COMP=mingw profile-build ``` fixes https://github.com/official-stockfish/Stockfish/issues/2769 closes https://github.com/official-stockfish/Stockfish/pull/2774 No functional change.
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