Dev Builds » 20230401-1414

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 09:36:42 1955114 3345 2900 5 440 +456.79 +/- 16.25
ncm-et-4 09:36:43 1954732 3342 2865 6 471 +443.41 +/- 15.7
ncm-et-9 09:36:33 1948024 3304 2865 4 435 +457.41 +/- 16.34
ncm-et-10 09:36:19 1950993 3321 2868 5 448 +452.16 +/- 16.1
ncm-et-13 09:36:35 1963577 3358 2876 7 475 +441.99 +/- 15.64
ncm-et-15 09:36:35 1951584 3330 2850 7 473 +441.19 +/- 15.67
20000 17224 34 2742 +448.69 +/- 6.5

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
181997 ncm-et-9 2023-04-03 17:03 00:53:52 1954390 304 266 0 38 +470.43 +/- 56.72
181996 ncm-et-10 2023-04-03 17:01 00:55:33 1954050 321 270 1 50 +421.94 +/- 49.09
181995 ncm-et-15 2023-04-03 16:59 00:57:38 1948270 330 290 0 40 +476.12 +/- 55.22
181994 ncm-et-3 2023-04-03 16:58 00:58:25 1964075 345 298 1 46 +450.52 +/- 51.35
181993 ncm-et-4 2023-04-03 16:58 00:58:50 1960946 342 295 0 47 +452.81 +/- 50.66
181992 ncm-et-13 2023-04-03 16:55 01:01:38 1965090 358 306 1 51 +438.9 +/- 48.63
181987 ncm-et-9 2023-04-03 15:35 01:26:43 1947819 500 438 1 61 +468.96 +/- 44.35
181986 ncm-et-10 2023-04-03 15:34 01:26:36 1949483 500 425 0 75 +436.43 +/- 39.73
181985 ncm-et-3 2023-04-03 15:32 01:25:23 1952475 500 431 0 69 +452.04 +/- 41.5
181984 ncm-et-4 2023-04-03 15:31 01:26:23 1958182 500 432 0 68 +454.76 +/- 41.82
181983 ncm-et-15 2023-04-03 15:30 01:27:50 1958951 500 425 1 74 +433.94 +/- 40.08
181982 ncm-et-13 2023-04-03 15:29 01:25:41 1955623 500 426 0 74 +438.95 +/- 40.01
181977 ncm-et-9 2023-04-03 14:08 01:27:04 1953647 500 431 0 69 +452.04 +/- 41.5
181976 ncm-et-10 2023-04-03 14:07 01:26:20 1949195 500 446 1 53 +494.03 +/- 47.75
181975 ncm-et-3 2023-04-03 14:04 01:27:30 1956798 500 439 0 61 +474.93 +/- 44.28
181974 ncm-et-4 2023-04-03 14:04 01:26:15 1950364 500 439 0 61 +474.93 +/- 44.28
181973 ncm-et-15 2023-04-03 14:04 01:26:11 1953919 500 428 1 71 +441.5 +/- 40.95
181972 ncm-et-13 2023-04-03 14:00 01:28:16 1958645 500 433 1 66 +454.76 +/- 42.55
181967 ncm-et-9 2023-04-03 12:40 01:27:21 1943435 500 443 0 57 +487.45 +/- 45.89
181966 ncm-et-10 2023-04-03 12:38 01:27:43 1950547 500 426 0 74 +438.95 +/- 40.01
181965 ncm-et-3 2023-04-03 12:37 01:26:26 1955591 500 424 1 75 +431.48 +/- 39.8
181964 ncm-et-15 2023-04-03 12:36 01:26:45 1950531 500 427 2 71 +436.43 +/- 40.99
181963 ncm-et-4 2023-04-03 12:36 01:27:23 1952895 500 420 2 78 +419.61 +/- 39.03
181962 ncm-et-13 2023-04-03 12:34 01:25:00 1962630 500 438 1 61 +468.96 +/- 44.35
181957 ncm-et-9 2023-04-03 11:13 01:26:26 1937809 500 428 0 72 +444.08 +/- 40.59
181956 ncm-et-10 2023-04-03 11:11 01:26:06 1947835 500 428 1 71 +441.5 +/- 40.95
181955 ncm-et-4 2023-04-03 11:11 01:24:25 1971116 500 420 2 78 +419.61 +/- 39.03
181954 ncm-et-3 2023-04-03 11:10 01:26:14 1946916 500 441 0 59 +481.09 +/- 45.07
181953 ncm-et-15 2023-04-03 11:10 01:25:35 1956646 500 431 0 69 +452.04 +/- 41.5
181952 ncm-et-13 2023-04-03 11:08 01:25:27 1963716 500 425 1 74 +433.94 +/- 40.08
181947 ncm-et-4 2023-04-03 09:45 01:25:28 1960786 500 432 0 68 +454.76 +/- 41.82
181946 ncm-et-9 2023-04-03 09:45 01:27:24 1948316 500 432 2 66 +449.35 +/- 42.58
181945 ncm-et-10 2023-04-03 09:43 01:27:44 1949356 500 438 1 61 +468.96 +/- 44.35
181944 ncm-et-13 2023-04-03 09:43 01:24:53 1972986 500 428 0 72 +444.08 +/- 40.59
181943 ncm-et-3 2023-04-03 09:42 01:27:43 1956966 500 438 1 61 +468.96 +/- 44.35
181942 ncm-et-15 2023-04-03 09:41 01:28:01 1933384 500 416 3 81 +408.38 +/- 38.29
181937 ncm-et-13 2023-04-03 08:16 01:25:40 1966350 500 420 3 77 +417.32 +/- 39.31
181936 ncm-et-9 2023-04-03 08:16 01:27:43 1950754 500 427 1 72 +438.95 +/- 40.66
181935 ncm-et-10 2023-04-03 08:16 01:26:17 1956489 500 435 1 64 +460.32 +/- 43.24
181934 ncm-et-4 2023-04-03 08:16 01:27:59 1928838 500 427 2 71 +436.43 +/- 40.99
181933 ncm-et-15 2023-04-03 08:16 01:24:35 1959393 500 433 0 67 +457.52 +/- 42.15
181932 ncm-et-3 2023-04-03 08:16 01:25:01 1952978 500 429 2 69 +441.5 +/- 41.61

Commit

Commit ID 38a80c0b47397dbdd9167ec1476dfd3c033020d6
Author MinetaS
Date 2023-04-01 14:14:30 UTC
Simplify away complexityAverage Instead of tracking the average of complexity values, calculate complexity of root position at the beginning of the search and use it as a scaling factor in time management. Passed non-regression STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 58752 W: 15738 L: 15551 D: 27463 Ptnml(0-2): 164, 6194, 16478, 6371, 169 https://tests.stockfishchess.org/tests/view/6423010edb43ab2ba6f9424a Passed non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 92872 W: 24865 L: 24729 D: 43278 Ptnml(0-2): 38, 8652, 28929, 8770, 47 https://tests.stockfishchess.org/tests/view/6423c1f0db43ab2ba6f9644f closes https://github.com/official-stockfish/Stockfish/pull/4472 No functional change
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