Dev Builds » 20230109-1915

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 11:11:16 1952034 3307 2833 3 471 +443.78 +/- 15.69
ncm-et-4 11:11:39 1955498 3340 2894 3 443 +456.92 +/- 16.19
ncm-et-9 11:11:20 1957942 3348 2846 6 496 +434.27 +/- 15.29
ncm-et-10 11:11:35 1952100 3323 2881 3 439 +457.64 +/- 16.26
ncm-et-13 11:11:36 1960281 3346 2855 4 487 +439.03 +/- 15.43
ncm-et-15 11:11:23 1956023 3336 2891 4 441 +456.7 +/- 16.23
20000 17200 23 2777 +447.83 +/- 6.45

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
164040 ncm-et-3 2023-01-12 23:01 01:02:30 1954361 307 257 0 50 +420.92 +/- 48.95
164039 ncm-et-10 2023-01-12 22:59 01:03:57 1959695 323 272 1 50 +423.11 +/- 49.1
164038 ncm-et-15 2023-01-12 22:56 01:07:25 1969398 336 291 0 45 +457.61 +/- 51.84
164037 ncm-et-4 2023-01-12 22:54 01:09:34 1955490 340 292 1 47 +443.93 +/- 50.76
164036 ncm-et-13 2023-01-12 22:53 01:10:16 1954984 346 291 1 54 +422.11 +/- 47.16
164035 ncm-et-9 2023-01-12 22:52 01:10:50 1941842 348 297 0 51 +440.79 +/- 48.51
164034 ncm-et-3 2023-01-12 21:19 01:41:13 1954659 500 436 0 64 +466.03 +/- 43.18
164033 ncm-et-10 2023-01-12 21:18 01:41:04 1951469 500 435 0 65 +463.15 +/- 42.83
164032 ncm-et-13 2023-01-12 21:14 01:38:52 1967885 500 419 0 81 +421.93 +/- 38.15
164031 ncm-et-15 2023-01-12 21:13 01:41:42 1946037 500 435 0 65 +463.15 +/- 42.83
164030 ncm-et-4 2023-01-12 21:13 01:40:44 1935919 500 423 0 77 +431.48 +/- 39.18
164029 ncm-et-9 2023-01-12 21:11 01:40:37 1966000 500 424 2 74 +429.05 +/- 40.11
164028 ncm-et-3 2023-01-12 19:36 01:42:25 1957566 500 418 1 81 +417.32 +/- 38.22
164027 ncm-et-10 2023-01-12 19:35 01:42:26 1948440 500 442 0 58 +484.24 +/- 45.47
164026 ncm-et-4 2023-01-12 19:33 01:39:03 1969033 500 431 2 67 +446.7 +/- 42.25
164025 ncm-et-13 2023-01-12 19:32 01:41:08 1956332 500 429 0 71 +446.7 +/- 40.89
164024 ncm-et-9 2023-01-12 19:31 01:39:21 1962829 500 425 2 73 +431.48 +/- 40.4
164023 ncm-et-15 2023-01-12 19:30 01:42:25 1941731 500 425 2 73 +431.48 +/- 40.4
164022 ncm-et-3 2023-01-12 17:55 01:40:35 1940399 500 418 0 82 +419.61 +/- 37.91
164021 ncm-et-10 2023-01-12 17:53 01:40:46 1949798 500 427 0 73 +441.5 +/- 40.29
164020 ncm-et-4 2023-01-12 17:53 01:39:29 1962460 500 456 0 44 +534.79 +/- 52.64
164019 ncm-et-9 2023-01-12 17:52 01:38:22 1962173 500 418 1 81 +417.32 +/- 38.22
164018 ncm-et-13 2023-01-12 17:52 01:39:36 1964462 500 433 0 67 +457.52 +/- 42.15
164017 ncm-et-15 2023-01-12 17:49 01:40:48 1953896 500 442 0 58 +484.24 +/- 45.47
164016 ncm-et-3 2023-01-12 16:13 01:40:51 1950719 500 436 0 64 +466.03 +/- 43.18
164015 ncm-et-4 2023-01-12 16:13 01:39:38 1960309 500 436 0 64 +466.03 +/- 43.18
164014 ncm-et-10 2023-01-12 16:12 01:40:27 1958022 500 431 0 69 +452.04 +/- 41.5
164013 ncm-et-9 2023-01-12 16:10 01:40:55 1953600 500 425 1 74 +433.94 +/- 40.08
164012 ncm-et-13 2023-01-12 16:09 01:41:25 1956986 500 438 1 61 +468.96 +/- 44.35
164011 ncm-et-15 2023-01-12 16:06 01:41:45 1956794 500 433 1 66 +454.76 +/- 42.55
164010 ncm-et-3 2023-01-12 14:31 01:41:14 1957427 500 427 1 72 +438.95 +/- 40.66
164009 ncm-et-9 2023-01-12 14:30 01:39:27 1960661 500 426 0 74 +438.95 +/- 40.01
164008 ncm-et-10 2023-01-12 14:29 01:42:18 1949228 500 440 0 60 +477.98 +/- 44.67
164007 ncm-et-4 2023-01-12 14:29 01:43:20 1942811 500 424 0 76 +433.94 +/- 39.45
164006 ncm-et-13 2023-01-12 14:28 01:41:05 1952073 500 432 0 68 +454.76 +/- 41.82
164005 ncm-et-15 2023-01-12 14:27 01:38:38 1960922 500 435 0 65 +463.15 +/- 42.83
164004 ncm-et-3 2023-01-12 12:48 01:42:28 1949110 500 441 1 58 +477.99 +/- 45.54
164003 ncm-et-4 2023-01-12 12:48 01:39:51 1962464 500 432 0 68 +454.76 +/- 41.82
164002 ncm-et-10 2023-01-12 12:48 01:40:37 1948053 500 434 2 64 +454.76 +/- 43.27
164001 ncm-et-15 2023-01-12 12:48 01:38:40 1963386 500 430 1 69 +446.7 +/- 41.57
164000 ncm-et-9 2023-01-12 12:48 01:41:48 1958492 500 431 0 69 +452.04 +/- 41.5
163999 ncm-et-13 2023-01-12 12:48 01:39:14 1969246 500 413 2 85 +404.05 +/- 37.32

Commit

Commit ID 4101893a28b4d34262ed1fba10f2365e964b6537
Author candirufish
Date 2023-01-09 19:15:08 UTC
On step 18 increase reduction by 2 if not ttmove and cutnode stc: https://tests.stockfishchess.org/tests/view/63babc9fcd3db0c8d399f723 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 43104 W: 11711 L: 11389 D: 20004 Ptnml(0-2): 211, 4518, 11793, 4798, 232 ltc: https://tests.stockfishchess.org/tests/view/63bb1857cd3db0c8d39a0661 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 127104 W: 33810 L: 33339 D: 59955 Ptnml(0-2): 39, 12155, 38702, 12608, 48 closes https://github.com/official-stockfish/Stockfish/pull/4334 Bench: 4035725
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