Dev Builds » 20201112-1149

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 01:23:12 1967551 553 444 5 104 +375.84 +/- 33.68
ncm-et-4 09:48:14 1964209 3886 3061 20 805 +365.48 +/- 11.99
ncm-et-9 09:48:15 1969583 3887 3035 24 828 +358.49 +/- 11.82
ncm-et-10 09:47:55 1963786 3886 2986 17 883 +349.46 +/- 11.42
ncm-et-13 09:48:23 1961349 3882 3057 25 800 +364.12 +/- 12.03
ncm-et-15 09:48:02 1970886 3906 3076 27 803 +363.73 +/- 12.01
20000 15659 118 4223 +360.6 +/- 5.23

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
140892 ncm-et-13 2020-11-26 19:44 00:06:23 1962303 40 31 0 9 +358.77 +/- 126.51
140891 ncm-et-9 2020-11-26 19:44 00:06:34 1968175 41 32 0 9 +363.59 +/- 126.73
140890 ncm-et-10 2020-11-26 19:43 00:07:21 1965696 44 34 2 8 +320.65 +/- 131.81
140889 ncm-et-15 2020-11-26 19:43 00:07:33 1973585 47 41 0 6 +466.47 +/- 176.83
140888 ncm-et-3 2020-11-26 19:42 00:08:16 1971723 53 44 1 8 +392.91 +/- 138.17
140887 ncm-et-4 2020-11-26 19:42 00:08:20 1971420 52 42 0 10 +389.22 +/- 119.49
140886 ncm-et-15 2020-11-26 18:27 01:15:32 1964919 500 379 4 117 +338.04 +/- 31.63
140885 ncm-et-9 2020-11-26 18:26 01:16:36 1962317 500 375 1 124 +336.46 +/- 30.54
140884 ncm-et-13 2020-11-26 18:26 01:16:50 1962916 500 393 2 105 +364.98 +/- 33.41
140883 ncm-et-4 2020-11-26 18:26 01:14:54 1962613 500 403 3 94 +381.7 +/- 35.44
140882 ncm-et-10 2020-11-26 18:26 01:15:47 1967544 500 383 1 116 +349.43 +/- 31.64
140881 ncm-et-3 2020-11-26 18:26 01:14:56 1963379 500 400 4 96 +374.11 +/- 35.07
140750 ncm-et-4 2020-11-21 07:23 00:50:17 1970351 334 262 2 70 +361.82 +/- 41.15
140749 ncm-et-13 2020-11-21 07:22 00:51:50 1963840 342 256 4 82 +327.82 +/- 37.95
140748 ncm-et-10 2020-11-21 07:21 00:52:17 1956179 342 271 1 70 +371.77 +/- 41.08
140747 ncm-et-9 2020-11-21 07:21 00:52:47 1964464 346 268 6 72 +343.85 +/- 40.61
140746 ncm-et-15 2020-11-21 07:19 00:54:39 1972960 359 293 2 64 +392.16 +/- 43.18
140745 ncm-et-10 2020-11-21 06:06 01:14:14 1964476 500 373 3 124 +330.23 +/- 30.64
140744 ncm-et-4 2020-11-21 06:05 01:16:52 1946065 500 398 5 97 +368.59 +/- 34.9
140743 ncm-et-9 2020-11-21 06:04 01:15:27 1973586 500 390 1 109 +361.43 +/- 32.7
140742 ncm-et-13 2020-11-21 06:04 01:16:38 1958012 500 386 3 111 +351.11 +/- 32.49
140741 ncm-et-15 2020-11-21 06:03 01:14:44 1969555 500 400 4 96 +374.11 +/- 35.07
140740 ncm-et-10 2020-11-21 04:50 01:15:04 1964917 500 374 1 125 +334.88 +/- 30.41
140739 ncm-et-4 2020-11-21 04:49 01:15:17 1976537 500 395 1 104 +370.41 +/- 33.52
140738 ncm-et-9 2020-11-21 04:48 01:15:25 1974212 500 406 2 92 +389.56 +/- 35.8
140737 ncm-et-15 2020-11-21 04:47 01:14:26 1972814 500 397 2 101 +372.25 +/- 34.1
140736 ncm-et-13 2020-11-21 04:47 01:15:45 1959694 500 394 6 100 +359.68 +/- 34.36
140735 ncm-et-10 2020-11-21 03:32 01:16:55 1959564 500 384 3 113 +347.77 +/- 32.18
140734 ncm-et-13 2020-11-21 03:32 01:14:17 1960923 500 412 5 83 +395.65 +/- 37.81
140733 ncm-et-9 2020-11-21 03:31 01:15:20 1970482 500 379 5 116 +336.46 +/- 31.8
140732 ncm-et-15 2020-11-21 03:31 01:15:14 1974202 500 399 4 97 +372.25 +/- 34.89
140731 ncm-et-4 2020-11-21 03:31 01:16:45 1937877 500 385 4 111 +347.77 +/- 32.52
140730 ncm-et-13 2020-11-21 02:16 01:15:06 1962456 500 398 2 100 +374.11 +/- 34.27
140729 ncm-et-10 2020-11-21 02:15 01:15:21 1965533 500 389 1 110 +359.68 +/- 32.55
140728 ncm-et-4 2020-11-21 02:15 01:14:41 1971266 500 380 3 117 +341.24 +/- 31.6
140727 ncm-et-15 2020-11-21 02:15 01:14:51 1966009 500 390 4 106 +356.21 +/- 33.31
140726 ncm-et-9 2020-11-21 02:15 01:14:58 1973896 500 396 3 101 +368.59 +/- 34.13
140725 ncm-et-15 2020-11-21 00:59 01:15:18 1972038 500 386 4 110 +349.43 +/- 32.67
140724 ncm-et-10 2020-11-21 00:59 01:15:29 1961856 500 381 3 116 +342.85 +/- 31.74
140723 ncm-et-9 2020-11-21 00:59 01:15:31 1968016 500 405 3 92 +385.59 +/- 35.84
140722 ncm-et-13 2020-11-21 00:58 01:16:23 1961078 500 393 1 106 +366.78 +/- 33.19
140721 ncm-et-4 2020-11-21 00:58 01:16:31 1969863 500 404 1 95 +387.57 +/- 35.16
140720 ncm-et-10 2020-11-20 23:42 01:15:27 1968313 500 397 2 101 +372.25 +/- 34.1
140719 ncm-et-15 2020-11-20 23:42 01:15:45 1971894 500 391 3 106 +359.68 +/- 33.28
140718 ncm-et-4 2020-11-20 23:42 01:14:37 1971890 500 392 1 107 +364.98 +/- 33.02
140717 ncm-et-9 2020-11-20 23:42 01:15:37 1971103 500 384 3 113 +347.77 +/- 32.18
140716 ncm-et-13 2020-11-20 23:42 01:15:11 1960921 500 394 2 104 +366.78 +/- 33.58

Commit

Commit ID 285bf7041ad214156188823eb9118e6af7f4b2e4
Author SFisGOD
Date 2020-11-12 11:49:03 UTC
Increase reduction at root when the best move does not change frequently STC: LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 51320 W: 5159 L: 4956 D: 41205 Ptnml(0-2): 215, 3897, 17242, 4082, 224 https://tests.stockfishchess.org/tests/view/5faa072367cbf42301d6a767 LTC: LLR: 2.98 (-2.94,2.94) {0.25,1.25} Total: 15952 W: 762 L: 642 D: 14548 Ptnml(0-2): 8, 561, 6725, 667, 15 https://tests.stockfishchess.org/tests/view/5faa4c3567cbf42301d6a794 closes https://github.com/official-stockfish/Stockfish/pull/3225 Bench: 3954692
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