Dev Builds » 20200808-2042

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 09:29:10 1963227 3652 2566 44 1042 +295.0 +/- 10.51
ncm-et-4 09:32:58 1961469 3646 2527 62 1057 +285.54 +/- 10.46
ncm-et-9 08:11:19 1968954 3177 2251 45 881 +297.52 +/- 11.45
ncm-et-10 08:10:42 1963095 3173 2240 40 893 +296.84 +/- 11.36
ncm-et-13 08:11:30 1961424 3156 2134 50 972 +275.65 +/- 10.88
ncm-et-15 08:12:10 1968642 3196 2257 49 890 +295.18 +/- 11.4
20000 13975 290 5735 +290.83 +/- 4.48

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
137943 ncm-et-4 2020-09-10 19:01 00:22:56 1962923 146 98 1 47 +278.16 +/- 49.87
137942 ncm-et-3 2020-09-10 19:00 00:24:09 1964455 152 109 4 39 +295.13 +/- 55.65
137941 ncm-et-13 2020-09-10 19:00 00:24:35 1961689 156 102 1 53 +267.83 +/- 46.72
137940 ncm-et-10 2020-09-10 18:58 00:26:43 1967849 173 119 3 51 +282.01 +/- 48.28
137939 ncm-et-9 2020-09-10 18:56 00:27:41 1966928 177 128 1 48 +313.56 +/- 49.65
137938 ncm-et-15 2020-09-10 18:54 00:30:48 1971573 196 139 2 55 +300.64 +/- 46.36
137937 ncm-et-3 2020-09-10 17:42 01:17:28 1964610 500 351 6 143 +294.61 +/- 28.51
137936 ncm-et-4 2020-09-10 17:41 01:19:08 1954730 500 358 7 135 +302.7 +/- 29.42
137935 ncm-et-10 2020-09-10 17:40 01:16:51 1960168 500 344 5 151 +286.77 +/- 27.65
137934 ncm-et-13 2020-09-10 17:40 01:18:56 1965226 500 331 12 157 +262.24 +/- 27.25
137933 ncm-et-9 2020-09-10 17:38 01:17:36 1974669 500 351 5 144 +295.94 +/- 28.37
137932 ncm-et-15 2020-09-10 17:36 01:16:56 1974051 500 359 7 134 +304.07 +/- 29.53
137931 ncm-et-3 2020-09-10 16:24 01:16:43 1966000 500 352 5 143 +297.28 +/- 28.47
137930 ncm-et-4 2020-09-10 16:22 01:17:50 1974515 500 338 11 151 +271.78 +/- 27.8
137929 ncm-et-13 2020-09-10 16:21 01:17:24 1962456 500 357 10 133 +297.28 +/- 29.69
137928 ncm-et-10 2020-09-10 16:21 01:17:56 1951760 500 364 2 134 +318.25 +/- 29.36
137927 ncm-et-9 2020-09-10 16:18 01:18:27 1974825 500 349 4 147 +294.61 +/- 28.02
137926 ncm-et-15 2020-09-10 16:18 01:16:34 1972062 500 346 10 144 +282.94 +/- 28.49
137925 ncm-et-3 2020-09-10 15:04 01:19:06 1960614 500 346 6 148 +288.06 +/- 27.99
137924 ncm-et-13 2020-09-10 15:03 01:17:27 1960767 500 328 9 163 +262.24 +/- 26.65
137923 ncm-et-10 2020-09-10 15:02 01:17:47 1963390 500 353 6 141 +297.28 +/- 28.72
137922 ncm-et-4 2020-09-10 15:02 01:19:34 1950708 500 333 10 157 +266.97 +/- 27.22
137921 ncm-et-15 2020-09-10 15:00 01:16:23 1968784 500 356 10 134 +295.94 +/- 29.57
137920 ncm-et-9 2020-09-10 15:00 01:16:46 1966310 500 352 12 136 +288.06 +/- 29.36
137919 ncm-et-3 2020-09-10 13:45 01:17:57 1963843 500 353 3 144 +301.33 +/- 28.29
137918 ncm-et-10 2020-09-10 13:44 01:16:33 1965867 500 357 8 135 +299.97 +/- 29.44
137917 ncm-et-4 2020-09-10 13:43 01:17:05 1970800 500 356 9 135 +297.28 +/- 29.45
137916 ncm-et-15 2020-09-10 13:43 01:16:16 1960768 500 352 7 141 +294.61 +/- 28.75
137915 ncm-et-13 2020-09-10 13:43 01:18:27 1953381 500 335 6 159 +274.22 +/- 26.92
137914 ncm-et-9 2020-09-10 13:43 01:16:28 1974360 500 360 5 135 +308.24 +/- 29.36
137913 ncm-et-10 2020-09-10 12:25 01:17:40 1964937 500 354 9 137 +294.61 +/- 29.22
137912 ncm-et-9 2020-09-10 12:25 01:16:41 1964322 500 370 8 122 +318.25 +/- 31.03
137911 ncm-et-3 2020-09-10 12:25 01:18:24 1964301 500 349 6 145 +291.97 +/- 28.3
137910 ncm-et-15 2020-09-10 12:25 01:16:58 1966638 500 353 7 140 +295.94 +/- 28.86
137909 ncm-et-4 2020-09-10 12:25 01:17:24 1965393 500 345 9 146 +282.94 +/- 28.27
137908 ncm-et-13 2020-09-10 12:25 01:16:58 1962609 500 335 5 160 +275.45 +/- 26.8
134251 ncm-et-4 2020-08-09 19:05 01:18:16 1970789 500 350 8 142 +290.66 +/- 28.66
134250 ncm-et-3 2020-08-09 19:01 01:18:06 1959848 500 345 10 145 +281.68 +/- 28.38
134249 ncm-et-15 2020-08-09 18:00 01:18:15 1966624 500 352 6 142 +295.94 +/- 28.61
134248 ncm-et-13 2020-08-09 18:00 01:17:43 1963841 500 346 7 147 +286.77 +/- 28.12
134247 ncm-et-10 2020-08-09 18:00 01:17:12 1967694 500 349 7 144 +290.66 +/- 28.43
134246 ncm-et-9 2020-08-09 18:00 01:17:40 1961265 500 341 10 149 +276.69 +/- 27.98
134245 ncm-et-4 2020-08-09 17:43 01:20:45 1941894 500 349 7 144 +290.66 +/- 28.43
134244 ncm-et-3 2020-08-09 17:43 01:17:17 1962151 500 361 4 135 +311.06 +/- 29.33

Commit

Commit ID add890a10b8fe03e091520cd0af7383615c6c386
Author Unai Corzo
Date 2020-08-08 20:42:00 UTC
LMR search tweak All credit to Vizvezdenec, the original author of the idea. STC https://tests.stockfishchess.org/tests/view/5f2d606a61e3b6af64881f88 LLR: 2.95 (-2.94,2.94) {-0.50,1.50} Total: 8440 W: 1191 L: 1048 D: 6201 Ptnml(0-2): 59, 754, 2467, 865, 75 LTC https://tests.stockfishchess.org/tests/view/5f2d84ad61e3b6af64881fbd LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 21896 W: 1557 L: 1406 D: 18933 Ptnml(0-2): 33, 1185, 8378, 1302, 50 closes https://github.com/official-stockfish/Stockfish/pull/2951 bench: 4084753
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