Dev Builds » 20211024-2008

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 12:46:58 1912174 4925 4221 12 692 +442.3 +/- 12.95
ncm-et-10 12:47:32 1954964 5031 4288 16 727 +435.35 +/- 12.64
ncm-et-13 12:46:56 1925280 4976 4214 6 756 +431.07 +/- 12.37
ncm-et-15 12:47:42 1957861 5068 4338 13 717 +440.73 +/- 12.72
20000 17061 47 2892 +437.31 +/- 6.33

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
152947 ncm-et-10 2021-10-27 17:44 00:05:38 1961390 31 29 0 2 +590.67 +/- 382.41
152946 ncm-et-15 2021-10-27 17:38 00:10:51 1966771 68 58 0 10 +440.11 +/- 121.01
152945 ncm-et-3 2021-10-27 17:27 00:22:27 1955120 145 121 0 24 +417.85 +/- 72.3
152944 ncm-et-13 2021-10-27 17:19 00:30:20 1962621 201 172 0 29 +443.71 +/- 65.41
152943 ncm-et-10 2021-10-27 16:28 01:15:12 1952700 500 416 1 83 +412.8 +/- 37.74
152942 ncm-et-15 2021-10-27 16:22 01:15:56 1956493 500 425 0 75 +436.43 +/- 39.73
152941 ncm-et-3 2021-10-27 16:11 01:15:12 1953931 500 424 1 75 +431.48 +/- 39.8
152940 ncm-et-13 2021-10-27 16:03 01:14:56 1965690 500 412 1 87 +404.05 +/- 36.82
152939 ncm-et-10 2021-10-27 15:12 01:15:38 1950090 500 419 2 79 +417.32 +/- 38.77
152938 ncm-et-15 2021-10-27 15:07 01:13:53 1963841 500 424 1 75 +431.48 +/- 39.8
152937 ncm-et-3 2021-10-27 14:54 01:16:09 1943762 500 422 0 78 +429.05 +/- 38.92
152936 ncm-et-13 2021-10-27 14:47 01:15:42 1951076 500 428 2 70 +438.95 +/- 41.29
152935 ncm-et-10 2021-10-27 13:54 01:16:45 1952980 500 426 2 72 +433.94 +/- 40.69
152934 ncm-et-15 2021-10-27 13:51 01:15:20 1951752 500 419 5 76 +410.58 +/- 39.55
152933 ncm-et-3 2021-10-27 13:12 01:41:34 1449901 500 438 0 62 +471.92 +/- 43.9
152932 ncm-et-13 2021-10-27 13:12 01:34:21 1553869 500 429 1 70 +444.09 +/- 41.26
152931 ncm-et-10 2021-10-27 12:37 01:16:34 1956638 500 440 3 57 +468.96 +/- 45.93
152930 ncm-et-15 2021-10-27 12:36 01:14:53 1965690 500 429 0 71 +446.7 +/- 40.89
152929 ncm-et-3 2021-10-27 12:29 00:41:27 1966922 280 246 2 32 +465.21 +/- 62.21
152928 ncm-et-13 2021-10-27 12:29 00:42:06 1959287 275 242 0 33 +477.98 +/- 61.17
152927 ncm-et-10 2021-10-27 11:20 01:16:05 1955742 500 429 1 70 +444.09 +/- 41.26
152926 ncm-et-15 2021-10-27 11:19 01:16:07 1941070 500 427 0 73 +441.5 +/- 40.29
152925 ncm-et-13 2021-10-27 11:13 01:14:28 1964927 500 424 0 76 +433.94 +/- 39.45
152924 ncm-et-3 2021-10-27 11:12 01:17:02 1955324 500 418 4 78 +410.58 +/- 39.05
152923 ncm-et-10 2021-10-27 10:03 01:16:46 1957868 500 431 2 67 +446.7 +/- 42.25
152922 ncm-et-15 2021-10-27 10:03 01:15:50 1956792 500 432 1 67 +452.04 +/- 42.22
152921 ncm-et-13 2021-10-27 09:56 01:16:41 1953131 500 415 1 84 +410.58 +/- 37.5
152920 ncm-et-3 2021-10-27 09:55 01:15:38 1959544 500 438 0 62 +471.92 +/- 43.9
152919 ncm-et-10 2021-10-27 08:46 01:16:33 1954958 500 429 0 71 +446.7 +/- 40.89
152918 ncm-et-15 2021-10-27 08:45 01:17:03 1956330 500 432 2 66 +449.35 +/- 42.58
152917 ncm-et-13 2021-10-27 08:42 01:13:57 1967755 500 428 0 72 +444.08 +/- 40.59
152916 ncm-et-3 2021-10-27 08:40 01:14:55 1962150 500 435 2 63 +457.52 +/- 43.63
152915 ncm-et-15 2021-10-27 07:29 01:14:59 1961540 500 430 2 68 +444.09 +/- 41.92
152914 ncm-et-10 2021-10-27 07:29 01:16:01 1954717 500 423 4 73 +421.93 +/- 40.4
152913 ncm-et-13 2021-10-27 07:27 01:13:52 1965396 500 417 1 82 +415.05 +/- 37.98
152912 ncm-et-3 2021-10-27 07:25 01:14:20 1959705 500 434 0 66 +460.32 +/- 42.48
152911 ncm-et-15 2021-10-27 06:12 01:16:37 1958319 500 430 1 69 +446.7 +/- 41.57
152910 ncm-et-10 2021-10-27 06:12 01:16:51 1949053 500 429 0 71 +446.7 +/- 40.89
152909 ncm-et-13 2021-10-27 06:11 01:15:33 1969870 500 425 0 75 +436.43 +/- 39.73
152908 ncm-et-3 2021-10-27 06:10 01:14:07 1960486 500 421 1 78 +424.28 +/- 38.99
152907 ncm-et-10 2021-10-27 04:55 01:15:29 1958470 500 417 1 82 +415.05 +/- 37.98
152906 ncm-et-13 2021-10-27 04:55 01:15:00 1964468 500 422 0 78 +429.05 +/- 38.92
152905 ncm-et-3 2021-10-27 04:55 01:14:07 1967078 500 424 2 74 +429.05 +/- 40.11
152904 ncm-et-15 2021-10-27 04:55 01:16:13 1957877 500 432 1 67 +452.04 +/- 42.22

Commit

Commit ID 1163d972a9a1e480d9130c5fabbf869cdb7f7ecb
Author bmc4
Date 2021-10-24 20:08:28 UTC
Simplify LMR multiThread condition STC (8 threads): LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 110584 W: 27818 L: 27807 D: 54959 Ptnml(0-2): 156, 12089, 30791, 12100, 156 https://tests.stockfishchess.org/tests/view/6172ef436ce927be325583a9 LTC (8 threads): LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 23632 W: 6025 L: 5903 D: 11704 Ptnml(0-2): 5, 2292, 7100, 2414, 5 https://tests.stockfishchess.org/tests/view/6173cf096ce927be32558412 closes https://github.com/official-stockfish/Stockfish/pull/3757 No functional change (in the single-threaded case) Bench: 6689428
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