Dev Builds » 20210131-0904

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 08:18:41 1970929 3352 2642 15 695 +366.52 +/- 12.9
ncm-et-4 08:19:01 1965282 3324 2623 15 686 +367.32 +/- 12.98
ncm-et-9 08:18:42 1964994 3334 2677 15 642 +380.2 +/- 13.43
ncm-et-10 08:18:38 1964251 3319 2620 15 684 +367.57 +/- 13.0
ncm-et-13 08:19:08 1961693 3336 2660 19 657 +373.8 +/- 13.28
ncm-et-15 08:19:00 1965854 3335 2635 17 683 +367.69 +/- 13.02
20000 15857 96 4047 +370.46 +/- 5.34

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
142776 ncm-et-4 2021-02-01 21:21 00:48:26 1963090 324 257 2 65 +369.53 +/- 42.78
142775 ncm-et-10 2021-02-01 21:20 00:48:42 1963387 319 240 1 78 +337.42 +/- 38.72
142774 ncm-et-15 2021-02-01 21:19 00:50:10 1966787 335 266 1 68 +373.22 +/- 41.71
142773 ncm-et-13 2021-02-01 21:18 00:50:43 1963536 336 278 3 55 +400.28 +/- 46.74
142772 ncm-et-9 2021-02-01 21:18 00:50:31 1959558 334 276 0 58 +408.75 +/- 45.27
142771 ncm-et-3 2021-02-01 21:17 00:52:10 1974047 352 275 2 75 +359.3 +/- 39.7
142770 ncm-et-15 2021-02-01 20:04 01:13:59 1967241 500 400 1 99 +379.78 +/- 34.4
142769 ncm-et-10 2021-02-01 20:04 01:15:27 1965232 500 391 8 101 +351.11 +/- 34.17
142768 ncm-et-4 2021-02-01 20:04 01:15:58 1972807 500 405 2 93 +387.57 +/- 35.6
142767 ncm-et-13 2021-02-01 20:03 01:14:00 1962917 500 382 1 117 +347.77 +/- 31.5
142766 ncm-et-9 2021-02-01 20:03 01:14:41 1963687 500 399 2 99 +375.98 +/- 34.46
142765 ncm-et-3 2021-02-01 20:00 01:16:09 1970647 500 398 4 98 +370.41 +/- 34.7
142764 ncm-et-10 2021-02-01 18:48 01:14:33 1968009 500 398 2 100 +374.11 +/- 34.27
142763 ncm-et-15 2021-02-01 18:48 01:14:49 1962149 500 402 2 96 +381.7 +/- 35.02
142762 ncm-et-9 2021-02-01 18:47 01:14:29 1970956 500 408 0 92 +397.72 +/- 35.69
142761 ncm-et-13 2021-02-01 18:46 01:16:08 1957564 500 405 1 94 +389.56 +/- 35.35
142760 ncm-et-4 2021-02-01 18:46 01:16:25 1943740 500 403 0 97 +387.56 +/- 34.71
142759 ncm-et-3 2021-02-01 18:44 01:15:00 1967853 500 399 2 99 +375.98 +/- 34.46
142758 ncm-et-10 2021-02-01 17:33 01:13:40 1968003 500 416 0 84 +415.04 +/- 37.43
142757 ncm-et-9 2021-02-01 17:32 01:14:33 1967407 500 397 4 99 +368.59 +/- 34.52
142756 ncm-et-4 2021-02-01 17:31 01:13:40 1963865 500 384 2 114 +349.43 +/- 31.99
142755 ncm-et-13 2021-02-01 17:31 01:13:45 1960461 500 401 5 94 +374.11 +/- 35.47
142754 ncm-et-15 2021-02-01 17:31 01:16:24 1963687 500 399 2 99 +375.98 +/- 34.46
142753 ncm-et-3 2021-02-01 17:30 01:12:52 1974672 500 378 1 121 +341.24 +/- 30.94
142752 ncm-et-10 2021-02-01 16:18 01:14:22 1962480 500 389 1 110 +359.68 +/- 32.55
142751 ncm-et-4 2021-02-01 16:15 01:15:14 1974826 500 392 3 105 +361.43 +/- 33.45
142750 ncm-et-13 2021-02-01 16:15 01:15:12 1960769 500 391 5 104 +356.21 +/- 33.66
142749 ncm-et-9 2021-02-01 16:15 01:15:28 1953219 500 402 2 96 +381.7 +/- 35.02
142748 ncm-et-15 2021-02-01 16:15 01:14:53 1964765 500 395 6 99 +361.43 +/- 34.54
142747 ncm-et-3 2021-02-01 16:14 01:14:33 1969091 500 396 1 103 +372.25 +/- 33.69
142746 ncm-et-10 2021-02-01 15:01 01:15:28 1964023 500 401 1 98 +381.7 +/- 34.59
142745 ncm-et-13 2021-02-01 15:00 01:14:25 1961382 500 404 1 95 +387.57 +/- 35.16
142744 ncm-et-4 2021-02-01 14:59 01:14:40 1969255 500 392 1 107 +364.98 +/- 33.02
142743 ncm-et-3 2021-02-01 14:59 01:13:40 1968466 500 396 4 100 +366.78 +/- 34.34
142742 ncm-et-9 2021-02-01 14:59 01:14:46 1976395 500 395 3 102 +366.78 +/- 33.96
142741 ncm-et-15 2021-02-01 14:59 01:14:26 1970027 500 388 3 109 +354.5 +/- 32.8
142740 ncm-et-3 2021-02-01 13:44 01:14:17 1971733 500 400 1 99 +379.78 +/- 34.4
142739 ncm-et-10 2021-02-01 13:44 01:16:26 1958624 500 385 2 113 +351.11 +/- 32.14
142738 ncm-et-9 2021-02-01 13:44 01:14:14 1963741 500 400 4 96 +374.11 +/- 35.07
142737 ncm-et-15 2021-02-01 13:44 01:14:19 1966327 500 385 2 113 +351.11 +/- 32.14
142736 ncm-et-4 2021-02-01 13:44 01:14:38 1969397 500 390 5 105 +354.5 +/- 33.5
142735 ncm-et-13 2021-02-01 13:44 01:14:55 1965225 500 399 3 98 +374.11 +/- 34.68

Commit

Commit ID 0db374777e793f60bb897d078b3ab641613112ad
Author bmc4
Date 2021-01-31 09:04:41 UTC
Speed Up Perft Search It speeds up generate<LEGAL>, and thus perft, roughly by 2-3%. closes https://github.com/official-stockfish/Stockfish/pull/3312 No functional change
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