Dev Builds » 20210131-0907

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 08:18:02 1970556 3338 2619 20 699 +361.97 +/- 12.87
ncm-et-4 08:18:13 1965886 3314 2644 18 652 +374.48 +/- 13.33
ncm-et-9 08:17:40 1969868 3328 2637 20 671 +368.91 +/- 13.14
ncm-et-10 08:18:07 1958104 3309 2630 15 664 +372.5 +/- 13.2
ncm-et-13 08:18:10 1963622 3349 2667 17 665 +373.44 +/- 13.2
ncm-et-15 08:18:14 1968149 3362 2669 14 679 +371.98 +/- 13.05
20000 15866 104 4030 +370.5 +/- 5.35

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
142734 ncm-et-10 2021-02-01 12:56 00:46:23 1956176 309 243 0 66 +368.95 +/- 42.19
142733 ncm-et-4 2021-02-01 12:56 00:46:51 1975762 314 259 1 54 +403.68 +/- 47.11
142732 ncm-et-9 2021-02-01 12:53 00:48:53 1966768 328 263 3 62 +374.75 +/- 43.9
142731 ncm-et-3 2021-02-01 12:52 00:50:43 1966156 338 266 1 71 +366.8 +/- 40.77
142730 ncm-et-13 2021-02-01 12:51 00:51:54 1964918 349 279 3 67 +373.02 +/- 42.17
142729 ncm-et-15 2021-02-01 12:49 00:53:12 1974669 362 290 0 72 +382.76 +/- 40.41
142728 ncm-et-4 2021-02-01 11:40 01:14:47 1966152 500 405 4 91 +383.64 +/- 36.06
142727 ncm-et-10 2021-02-01 11:39 01:15:43 1957552 500 412 0 88 +406.2 +/- 36.53
142726 ncm-et-9 2021-02-01 11:37 01:14:50 1972355 500 389 1 110 +359.68 +/- 32.55
142725 ncm-et-13 2021-02-01 11:36 01:13:26 1961847 500 397 5 98 +366.78 +/- 34.71
142724 ncm-et-3 2021-02-01 11:36 01:14:49 1968162 500 405 2 93 +387.57 +/- 35.6
142723 ncm-et-15 2021-02-01 11:34 01:14:31 1966931 500 390 2 108 +359.68 +/- 32.92
142722 ncm-et-4 2021-02-01 10:24 01:15:14 1975914 500 397 2 101 +372.25 +/- 34.1
142721 ncm-et-10 2021-02-01 10:24 01:14:45 1959395 500 390 1 109 +361.43 +/- 32.7
142720 ncm-et-9 2021-02-01 10:22 01:14:38 1970326 500 386 2 112 +352.8 +/- 32.29
142719 ncm-et-13 2021-02-01 10:20 01:14:57 1963378 500 412 3 85 +399.81 +/- 37.34
142718 ncm-et-3 2021-02-01 10:20 01:14:33 1972032 500 389 0 111 +361.43 +/- 32.32
142717 ncm-et-15 2021-02-01 10:20 01:12:58 1966306 500 390 2 108 +359.68 +/- 32.92
142716 ncm-et-10 2021-02-01 09:08 01:14:44 1959706 500 388 4 108 +352.8 +/- 32.99
142715 ncm-et-4 2021-02-01 09:06 01:16:26 1951624 500 409 2 89 +395.65 +/- 36.43
142714 ncm-et-9 2021-02-01 09:06 01:14:41 1974826 500 403 5 92 +377.87 +/- 35.86
142713 ncm-et-15 2021-02-01 09:05 01:13:36 1974204 500 402 2 96 +381.7 +/- 35.02
142712 ncm-et-3 2021-02-01 09:05 01:14:21 1965688 500 379 5 116 +336.46 +/- 31.8
142711 ncm-et-13 2021-02-01 09:05 01:14:25 1962456 500 387 1 112 +356.21 +/- 32.24
142710 ncm-et-10 2021-02-01 07:51 01:15:43 1954043 500 380 6 114 +336.46 +/- 32.11
142709 ncm-et-4 2021-02-01 07:51 01:14:23 1974989 500 399 3 98 +374.11 +/- 34.68
142708 ncm-et-15 2021-02-01 07:50 01:14:19 1961995 500 388 2 110 +356.21 +/- 32.6
142707 ncm-et-9 2021-02-01 07:50 01:15:08 1964925 500 403 1 96 +385.59 +/- 34.96
142706 ncm-et-13 2021-02-01 07:49 01:14:25 1965228 500 395 1 104 +370.41 +/- 33.52
142705 ncm-et-3 2021-02-01 07:49 01:15:02 1977007 500 387 3 110 +352.8 +/- 32.64
142704 ncm-et-10 2021-02-01 06:35 01:14:58 1961082 500 421 1 78 +424.28 +/- 38.99
142703 ncm-et-4 2021-02-01 06:35 01:14:40 1973747 500 392 1 107 +364.98 +/- 33.02
142702 ncm-et-3 2021-02-01 06:34 01:13:54 1976071 500 383 6 111 +341.24 +/- 32.56
142701 ncm-et-9 2021-02-01 06:34 01:14:54 1971410 500 385 2 113 +351.11 +/- 32.14
142700 ncm-et-13 2021-02-01 06:33 01:15:07 1965841 500 397 1 102 +374.11 +/- 33.87
142699 ncm-et-15 2021-02-01 06:33 01:15:57 1967236 500 399 3 98 +374.11 +/- 34.68
142698 ncm-et-13 2021-02-01 05:18 01:13:56 1961688 500 400 3 97 +375.98 +/- 34.86
142697 ncm-et-10 2021-02-01 05:18 01:15:51 1958777 500 396 3 101 +368.59 +/- 34.13
142696 ncm-et-4 2021-02-01 05:18 01:15:52 1943019 500 383 5 112 +342.85 +/- 32.39
142695 ncm-et-3 2021-02-01 05:18 01:14:40 1968782 500 410 3 87 +395.65 +/- 36.9
142694 ncm-et-15 2021-02-01 05:18 01:13:41 1965707 500 410 3 87 +395.65 +/- 36.9
142693 ncm-et-9 2021-02-01 05:18 01:14:36 1968468 500 408 6 86 +385.59 +/- 37.11

Commit

Commit ID dd9609521437dc839236c36d35bdb8cb633ba19f
Author bmc4
Date 2021-01-31 09:07:02 UTC
Simplify Chess 960 castling a little cleanup, and small speedup (about 0.3%) for Chess 960. Verified with perft on a large set of chess960 positions. Closes https://github.com/official-stockfish/Stockfish/pull/3317 No functional change
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