Dev Builds » 20210617-0008

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 08:29:06 1966436 3343 2747 12 584 +399.94 +/- 14.09
ncm-et-4 08:28:53 1963917 3329 2728 9 592 +398.51 +/- 13.98
ncm-et-9 08:28:42 1962375 3340 2791 7 542 +416.78 +/- 14.62
ncm-et-10 08:29:32 1956713 3321 2757 10 554 +409.65 +/- 14.47
ncm-et-13 08:29:03 1961890 3342 2761 8 573 +405.94 +/- 14.22
ncm-et-15 08:28:29 1957027 3325 2766 16 543 +409.55 +/- 14.63
20000 16550 62 3388 +406.64 +/- 5.84

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
148843 ncm-et-10 2021-06-18 05:42 00:03:32 1960312 16 14 0 2 +470.26 +/- 444.85
148842 ncm-et-15 2021-06-18 05:40 00:04:55 1944945 28 20 0 8 +311.22 +/- 133.58
148841 ncm-et-9 2021-06-18 05:40 00:04:58 1966926 28 22 0 6 +368.27 +/- 168.69
148840 ncm-et-4 2021-06-18 05:40 00:05:08 1964768 29 23 0 6 +375.08 +/- 169.35
148839 ncm-et-13 2021-06-18 05:40 00:05:24 1953911 31 25 0 6 +387.96 +/- 170.56
148838 ncm-et-3 2021-06-18 05:40 00:05:37 1971881 34 31 0 3 +534.2 +/- 400.89
148837 ncm-et-13 2021-06-18 04:24 01:15:00 1968316 500 400 2 98 +377.87 +/- 34.64
148836 ncm-et-10 2021-06-18 04:24 01:17:23 1953892 500 422 0 78 +429.05 +/- 38.92
148835 ncm-et-15 2021-06-18 04:24 01:15:27 1961252 500 415 2 83 +408.38 +/- 37.78
148834 ncm-et-9 2021-06-18 04:24 01:16:02 1960009 500 434 0 66 +460.32 +/- 42.48
148833 ncm-et-4 2021-06-18 04:23 01:16:41 1961697 500 415 3 82 +406.2 +/- 38.05
148832 ncm-et-3 2021-06-18 04:21 01:17:54 1957250 500 405 2 93 +387.57 +/- 35.6
148831 ncm-et-15 2021-06-18 03:07 01:16:42 1960781 500 427 3 70 +433.94 +/- 41.3
148830 ncm-et-9 2021-06-18 03:07 01:16:14 1964611 500 417 0 83 +417.31 +/- 37.67
148829 ncm-et-4 2021-06-18 03:07 01:15:31 1966934 500 401 1 98 +381.7 +/- 34.59
148828 ncm-et-13 2021-06-18 03:07 01:17:10 1960334 500 414 0 86 +410.58 +/- 36.97
148827 ncm-et-3 2021-06-18 03:06 01:14:07 1967859 500 402 0 98 +385.59 +/- 34.52
148826 ncm-et-10 2021-06-18 03:06 01:17:11 1957260 500 422 1 77 +426.65 +/- 39.25
148783 ncm-et-15 2021-06-17 17:47 00:45:09 1955178 297 250 1 46 +422.38 +/- 51.29
148782 ncm-et-4 2021-06-17 17:45 00:46:23 1962303 300 245 1 54 +394.96 +/- 47.08
148781 ncm-et-3 2021-06-17 17:45 00:46:53 1971100 309 259 4 46 +407.55 +/- 51.19
148780 ncm-et-9 2021-06-17 17:44 00:47:33 1958630 312 263 1 48 +423.98 +/- 50.16
148779 ncm-et-10 2021-06-17 17:44 00:47:53 1950734 305 249 0 56 +398.12 +/- 46.06
148778 ncm-et-13 2021-06-17 17:43 00:48:41 1956042 311 248 1 62 +376.18 +/- 43.76
148777 ncm-et-4 2021-06-17 16:29 01:15:54 1971875 500 399 2 99 +375.98 +/- 34.46
148776 ncm-et-15 2021-06-17 16:29 01:17:13 1949946 500 411 6 83 +391.57 +/- 37.79
148775 ncm-et-9 2021-06-17 16:29 01:14:55 1963387 500 415 3 82 +406.2 +/- 38.05
148774 ncm-et-3 2021-06-17 16:28 01:16:38 1964769 500 422 1 77 +426.65 +/- 39.25
148773 ncm-et-10 2021-06-17 16:27 01:16:21 1962463 500 418 2 80 +415.05 +/- 38.52
148772 ncm-et-13 2021-06-17 16:27 01:15:49 1959709 500 422 2 76 +424.28 +/- 39.56
148771 ncm-et-9 2021-06-17 15:12 01:15:34 1962039 500 415 0 85 +412.8 +/- 37.2
148770 ncm-et-4 2021-06-17 15:12 01:16:06 1968787 500 423 1 76 +429.05 +/- 39.52
148769 ncm-et-15 2021-06-17 15:11 01:16:34 1968070 500 419 4 77 +412.8 +/- 39.31
148768 ncm-et-3 2021-06-17 15:11 01:15:37 1966924 500 401 2 97 +379.78 +/- 34.83
148767 ncm-et-13 2021-06-17 15:10 01:15:31 1966307 500 426 1 73 +436.43 +/- 40.36
148766 ncm-et-10 2021-06-17 15:09 01:16:52 1949939 500 412 2 86 +401.92 +/- 37.09
148765 ncm-et-4 2021-06-17 13:55 01:16:15 1955895 500 408 0 92 +397.72 +/- 35.69
148764 ncm-et-3 2021-06-17 13:55 01:16:03 1961846 500 409 1 90 +397.72 +/- 36.17
148763 ncm-et-13 2021-06-17 13:54 01:15:31 1960017 500 394 0 106 +370.41 +/- 33.12
148762 ncm-et-9 2021-06-17 13:54 01:17:45 1959082 500 410 2 88 +397.72 +/- 36.65
148761 ncm-et-15 2021-06-17 13:54 01:17:00 1955422 500 410 0 90 +401.92 +/- 36.1
148760 ncm-et-10 2021-06-17 13:52 01:16:29 1957260 500 410 4 86 +393.6 +/- 37.13
148759 ncm-et-3 2021-06-17 12:38 01:16:17 1969859 500 418 2 80 +415.05 +/- 38.52
148758 ncm-et-9 2021-06-17 12:38 01:15:41 1964320 500 415 1 84 +410.58 +/- 37.5
148757 ncm-et-15 2021-06-17 12:38 01:15:29 1960622 500 414 0 86 +410.58 +/- 36.97
148756 ncm-et-4 2021-06-17 12:38 01:16:55 1959083 500 414 1 85 +408.38 +/- 37.27
148755 ncm-et-10 2021-06-17 12:38 01:13:51 1961849 500 410 1 89 +399.81 +/- 36.38
148754 ncm-et-13 2021-06-17 12:38 01:15:57 1970486 500 432 2 66 +449.35 +/- 42.58

Commit

Commit ID 55e69dc88d84b627af938fe2a1ee69326db055d2
Author bmc4
Date 2021-06-17 00:08:33 UTC
Simplify reduction when best move doesn't change frequently. STC: LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 40400 W: 3468 L: 3377 D: 33555 Ptnml(0-2): 134, 2734, 14388, 2795, 149 https://tests.stockfishchess.org/tests/view/60c93e5a457376eb8bcab15f LTC: LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 34200 W: 1190 L: 1128 D: 31882 Ptnml(0-2): 22, 998, 15001, 1054, 25 https://tests.stockfishchess.org/tests/view/60c96a1a457376eb8bcab180 closes https://github.com/official-stockfish/Stockfish/pull/3559 bench: 5629669
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