Dev Builds » 20200422-0648

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 06:27:25 584974 4000 48 2602 1350 -262.53 ± 6.77 631 1292 77 0 0 -682.85 ± 39.42
ncm-dbt-02 06:27:41 585435 4000 62 2593 1345 -259.18 ± 6.85 626 1280 93 1 0 -645.56 ± 35.77
ncm-dbt-03 06:28:02 584884 3998 51 2548 1399 -254.48 ± 6.36 568 1363 66 2 0 -699.63 ± 42.67
ncm-dbt-04 06:27:53 568665 4002 62 2584 1356 -257.7 ± 6.8 613 1300 85 2 1 -653.3 ± 37.43
ncm-dbt-05 06:26:20 583852 4000 54 2574 1372 -257.59 ± 6.51 593 1334 73 0 0 -692.29 ± 40.53
20000 277 12901 6822 -258.29 ± 2.98 3031 6569 394 5 1 -673.44 ± 17.21

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
466829 ncm-dbt-04 569509 2 0 2 0 -1041.08 ± 395.59 1 0 0 0 0 -1129.65 ± 376.02
466827 ncm-dbt-03 585843 498 11 310 177 -241.04 ± 18.92 67 167 13 2 0 -580.68 ± 101.74
466826 ncm-dbt-02 583405 500 6 327 167 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
466825 ncm-dbt-01 585717 500 5 336 159 -276.68 ± 19.86 87 157 6 0 0 -766.17 ± 188.02
466824 ncm-dbt-04 567363 500 5 326 169 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
466823 ncm-dbt-05 582027 500 6 305 189 -239.73 ± 16.64 60 179 11 0 0 -659.13 ± 116.77
466822 ncm-dbt-03 586689 500 8 312 180 -245.19 ± 16.81 63 178 9 0 0 -694.7 ± 134.18
466821 ncm-dbt-02 584285 500 11 317 172 -247.41 ± 19.21 73 160 17 0 0 -581.38 ± 88.96
466820 ncm-dbt-04 568673 500 8 315 177 -248.53 ± 19.6 70 171 6 2 1 -643.7 ± 147.52
466819 ncm-dbt-05 584117 500 7 331 162 -268.16 ± 19.42 82 160 8 0 0 -715.51 ± 146.53
466818 ncm-dbt-01 585295 500 6 314 180 -249.64 ± 17.11 66 176 8 0 0 -715.51 ± 146.53
466817 ncm-dbt-03 585717 500 8 309 183 -241.91 ± 17.2 63 175 12 0 0 -643.67 ± 110.29
466816 ncm-dbt-02 584495 500 3 332 165 -274.22 ± 21.28 91 147 12 0 0 -643.67 ± 110.29
466815 ncm-dbt-05 583531 500 8 311 181 -244.09 ± 16.95 63 177 10 0 0 -676.04 ± 124.55
466814 ncm-dbt-01 584201 500 4 320 176 -258.74 ± 19.09 77 162 11 0 0 -659.13 ± 116.77
466813 ncm-dbt-04 569031 500 8 320 172 -254.15 ± 18.78 74 164 12 0 0 -643.67 ± 110.29
466812 ncm-dbt-03 588174 500 4 331 165 -271.78 ± 18.67 81 165 4 0 0 -837.28 ± 240.94
466811 ncm-dbt-02 586266 500 8 332 160 -268.16 ± 19.71 83 158 9 0 0 -694.7 ± 134.18
466810 ncm-dbt-04 569949 500 12 321 167 -250.76 ± 19.64 76 157 17 0 0 -581.38 ± 88.96
466809 ncm-dbt-01 584327 500 4 314 182 -251.89 ± 17.4 68 174 8 0 0 -715.51 ± 146.53
466808 ncm-dbt-05 582987 500 4 314 182 -251.89 ± 17.11 67 176 7 0 0 -739.05 ± 163.27
466807 ncm-dbt-03 587962 500 5 323 172 -261.07 ± 18.26 75 168 7 0 0 -739.05 ± 163.27
466806 ncm-dbt-04 568315 500 9 325 166 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
466805 ncm-dbt-01 585379 500 4 329 167 -269.36 ± 20.13 85 155 10 0 0 -676.04 ± 124.55
466804 ncm-dbt-02 588472 500 10 317 173 -248.52 ± 18.85 71 166 12 1 0 -616.2 ± 109.19
466803 ncm-dbt-05 583698 500 10 332 158 -265.77 ± 20.24 84 154 12 0 0 -643.67 ± 110.29
466802 ncm-dbt-03 581319 500 3 314 183 -253.02 ± 16.67 66 179 5 0 0 -798.18 ± 231.48
466801 ncm-dbt-04 567165 500 11 319 170 -249.64 ± 18.99 73 162 15 0 0 -603.84 ± 95.91
466800 ncm-dbt-01 584411 500 7 330 163 -266.96 ± 19.56 82 159 9 0 0 -694.7 ± 134.18
466799 ncm-dbt-02 585885 500 11 317 172 -247.41 ± 18.7 71 164 15 0 0 -603.84 ± 95.91
466798 ncm-dbt-05 584748 500 6 319 175 -255.29 ± 17.83 71 171 8 0 0 -715.51 ± 146.53
466797 ncm-dbt-03 584622 500 6 330 164 -268.16 ± 19.71 83 158 9 0 0 -694.7 ± 134.18
466796 ncm-dbt-02 584369 500 4 333 163 -274.22 ± 19.27 84 161 5 0 0 -798.18 ± 231.48
466795 ncm-dbt-01 585590 500 9 319 172 -251.89 ± 19.53 76 158 16 0 0 -592.27 ± 92.24
466794 ncm-dbt-04 569749 500 6 324 170 -261.07 ± 18.55 76 166 8 0 0 -715.51 ± 146.53
466793 ncm-dbt-05 583866 500 7 330 163 -266.96 ± 19.28 81 161 8 0 0 -715.51 ± 146.53
466792 ncm-dbt-03 578753 500 6 319 175 -255.29 ± 17.54 70 173 7 0 0 -739.05 ± 163.27
466791 ncm-dbt-01 584874 500 9 340 151 -276.68 ± 20.74 90 151 9 0 0 -694.7 ± 134.18
466790 ncm-dbt-04 568236 500 3 332 165 -274.22 ± 19.27 84 161 5 0 0 -798.18 ± 231.48
466789 ncm-dbt-02 586308 500 9 318 173 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
466788 ncm-dbt-05 585843 500 6 332 162 -270.57 ± 20.0 85 156 9 0 0 -694.7 ± 134.18

Commit

Commit ID bb5589b829b79d7c60a820d4b1634dccbc4bbb3f
Author pb00067
Date 2020-04-22 06:48:01 UTC
continuation histories when in check If in check, don't write to continuation histories ss-4, ss-6. Adding inCheck to the stack was needed, and might be useful for future patches. Passed STC: https://tests.stockfishchess.org/tests/view/5e9ee24acaaff5d60a50b812 LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 61774 W: 11725 L: 11449 D: 38600 Ptnml(0-2): 971, 7211, 14322, 7337, 1046 Passed LTC: https://tests.stockfishchess.org/tests/view/5e9eecb7caaff5d60a50b831 LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 250822 W: 32067 L: 31179 D: 187576 Ptnml(0-2): 1745, 23126, 74824, 23928, 1788 closes https://github.com/official-stockfish/Stockfish/pull/2645 bench: 4808463
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