Dev Builds » 20211024-2017

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 12:34:50 1960839 4999 4254 11 734 +434.9 +/- 12.57
ncm-et-10 12:34:50 1955962 4964 4253 8 703 +442.99 +/- 12.84
ncm-et-13 12:34:16 1964447 5029 4282 10 737 +435.77 +/- 12.54
ncm-et-15 12:34:13 1958552 5008 4249 16 743 +430.57 +/- 12.5
20000 17038 45 2917 +435.99 +/- 6.3

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
152860 ncm-et-15 2021-10-26 16:13 00:01:47 1957859 8 5 0 3 +254.61 +/- 287.37
152859 ncm-et-13 2021-10-26 16:10 00:05:18 1963384 29 23 0 6 +375.08 +/- 169.35
152858 ncm-et-10 2021-10-26 15:04 01:11:00 1953129 464 399 1 64 +446.39 +/- 43.22
152857 ncm-et-3 2021-10-26 14:58 01:16:53 1952073 499 430 0 69 +451.66 +/- 41.5
152856 ncm-et-15 2021-10-26 14:56 01:16:03 1957094 500 423 1 76 +429.05 +/- 39.52
152855 ncm-et-13 2021-10-26 14:55 01:14:02 1960003 500 424 1 75 +431.48 +/- 39.8
152854 ncm-et-10 2021-10-26 13:47 01:16:11 1950722 500 436 1 63 +463.16 +/- 43.6
152853 ncm-et-15 2021-10-26 13:42 01:13:50 1962468 500 415 1 84 +410.58 +/- 37.5
152852 ncm-et-3 2021-10-26 13:41 01:16:32 1954845 500 437 1 62 +466.04 +/- 43.97
152851 ncm-et-13 2021-10-26 13:40 01:14:47 1969088 500 424 0 76 +433.94 +/- 39.45
152850 ncm-et-10 2021-10-26 12:31 01:15:14 1963226 500 425 1 74 +433.94 +/- 40.08
152849 ncm-et-15 2021-10-26 12:26 01:15:11 1960003 500 420 4 76 +415.05 +/- 39.57
152848 ncm-et-3 2021-10-26 12:25 01:14:45 1966619 500 430 2 68 +444.09 +/- 41.92
152847 ncm-et-13 2021-10-26 12:24 01:15:11 1961843 500 426 0 74 +438.95 +/- 40.01
152846 ncm-et-10 2021-10-26 11:15 01:15:11 1956191 500 434 1 65 +457.52 +/- 42.89
152845 ncm-et-15 2021-10-26 11:11 01:14:38 1960003 500 430 5 65 +436.43 +/- 42.82
152844 ncm-et-3 2021-10-26 11:09 01:16:06 1952824 500 421 1 78 +424.28 +/- 38.99
152843 ncm-et-13 2021-10-26 11:07 01:16:30 1956488 500 425 2 73 +431.48 +/- 40.4
152842 ncm-et-10 2021-10-26 09:59 01:15:41 1961996 500 417 0 83 +417.31 +/- 37.67
152841 ncm-et-15 2021-10-26 09:54 01:16:07 1956790 500 422 2 76 +424.28 +/- 39.56
152840 ncm-et-3 2021-10-26 09:54 01:14:28 1970963 500 421 2 77 +421.93 +/- 39.29
152839 ncm-et-13 2021-10-26 09:51 01:14:30 1967550 500 432 2 66 +449.35 +/- 42.58
152838 ncm-et-10 2021-10-26 08:42 01:16:37 1956789 500 424 0 76 +433.94 +/- 39.45
152837 ncm-et-15 2021-10-26 08:38 01:15:02 1957892 500 435 0 65 +463.15 +/- 42.83
152836 ncm-et-3 2021-10-26 08:36 01:16:33 1956337 500 426 1 73 +436.43 +/- 40.36
152835 ncm-et-13 2021-10-26 08:34 01:16:26 1958485 500 426 0 74 +438.95 +/- 40.01
152834 ncm-et-10 2021-10-26 07:25 01:16:31 1955423 500 431 3 66 +444.09 +/- 42.58
152833 ncm-et-15 2021-10-26 07:21 01:16:48 1952535 500 422 1 77 +426.65 +/- 39.25
152832 ncm-et-3 2021-10-26 07:20 01:15:34 1958961 500 416 1 83 +412.8 +/- 37.74
152831 ncm-et-13 2021-10-26 07:19 01:14:43 1967236 500 425 2 73 +431.48 +/- 40.4
152830 ncm-et-10 2021-10-26 06:09 01:15:09 1951766 500 442 0 58 +484.24 +/- 45.47
152829 ncm-et-15 2021-10-26 06:07 01:13:51 1962922 500 426 1 73 +436.43 +/- 40.36
152828 ncm-et-13 2021-10-26 06:04 01:14:13 1964305 500 420 0 80 +424.27 +/- 38.4
152827 ncm-et-3 2021-10-26 06:03 01:16:01 1968371 500 428 1 71 +441.5 +/- 40.95
152826 ncm-et-10 2021-10-26 04:52 01:16:43 1953443 500 420 0 80 +424.27 +/- 38.4
152825 ncm-et-15 2021-10-26 04:50 01:16:11 1955431 500 423 1 76 +429.05 +/- 39.52
152824 ncm-et-13 2021-10-26 04:49 01:14:10 1963689 500 433 0 67 +457.52 +/- 42.15
152823 ncm-et-3 2021-10-26 04:48 01:14:22 1959393 500 422 0 78 +429.05 +/- 38.92
152822 ncm-et-15 2021-10-26 03:34 01:14:45 1961075 500 428 0 72 +444.08 +/- 40.59
152821 ncm-et-10 2021-10-26 03:34 01:16:33 1956942 500 425 1 74 +433.94 +/- 40.08
152820 ncm-et-13 2021-10-26 03:34 01:14:26 1976853 500 424 3 73 +426.65 +/- 40.41
152819 ncm-et-3 2021-10-26 03:34 01:13:36 1968010 500 423 2 75 +426.65 +/- 39.83

Commit

Commit ID 2c86ae196df8b2a1197e0de1853a6458e404a976
Author Joost VandeVondele
Date 2021-10-24 20:17:55 UTC
Adjust ButterflyHistory decay parameter passed STC: LLR: 2.98 (-2.94,2.94) <-0.50,2.50> Total: 26680 W: 6807 L: 6593 D: 13280 Ptnml(0-2): 73, 3007, 6989, 3175, 96 https://tests.stockfishchess.org/tests/view/6174094e6ce927be32558441 passed LTC: LLR: 2.98 (-2.94,2.94) <0.50,3.50> Total: 21104 W: 5403 L: 5185 D: 10516 Ptnml(0-2): 8, 2160, 6001, 2372, 11 https://tests.stockfishchess.org/tests/view/61744927351812fe5f969864 closes https://github.com/official-stockfish/Stockfish/pull/3761 Bench: 6334068
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