Dev Builds » 20210307-2016

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 08:22:17 1966892 3385 2700 19 666 +374.13 +/- 13.19
ncm-et-4 08:22:03 1963959 3347 2690 13 644 +381.52 +/- 13.41
ncm-et-9 08:21:58 1961952 3321 2645 14 662 +374.33 +/- 13.22
ncm-et-10 08:21:54 1951162 3289 2607 14 668 +370.77 +/- 13.16
ncm-et-13 08:22:04 1964065 3353 2692 12 649 +381.01 +/- 13.35
ncm-et-15 08:22:05 1956983 3305 2658 12 635 +382.28 +/- 13.5
20000 15992 84 3924 +377.3 +/- 5.42

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
144998 ncm-et-10 2021-03-08 06:29 00:43:59 1949640 289 244 0 45 +429.4 +/- 51.75
144997 ncm-et-15 2021-03-08 06:26 00:46:50 1956494 305 243 1 61 +375.46 +/- 44.13
144996 ncm-et-9 2021-03-08 06:24 00:48:23 1955122 321 246 2 73 +346.22 +/- 40.22
144995 ncm-et-4 2021-03-08 06:21 00:51:28 1968931 347 275 1 71 +371.91 +/- 40.79
144994 ncm-et-13 2021-03-08 06:18 00:54:06 1959695 353 277 3 73 +359.86 +/- 40.32
144993 ncm-et-3 2021-03-08 06:16 00:56:19 1969241 385 306 5 74 +364.82 +/- 40.08
144992 ncm-et-10 2021-03-08 05:11 01:16:46 1958935 500 394 1 105 +368.59 +/- 33.35
144991 ncm-et-15 2021-03-08 05:09 01:16:23 1956821 500 404 2 94 +385.59 +/- 35.4
144990 ncm-et-9 2021-03-08 05:08 01:15:26 1973297 500 408 3 89 +391.57 +/- 36.46
144989 ncm-et-4 2021-03-08 05:05 01:15:31 1958669 500 389 1 110 +359.68 +/- 32.55
144988 ncm-et-13 2021-03-08 05:03 01:14:53 1963534 500 401 0 99 +383.63 +/- 34.34
144987 ncm-et-3 2021-03-08 05:01 01:14:26 1962313 500 408 0 92 +397.72 +/- 35.69
144986 ncm-et-10 2021-03-08 03:55 01:15:40 1950241 500 387 3 110 +352.8 +/- 32.64
144985 ncm-et-9 2021-03-08 03:52 01:15:07 1974367 500 407 0 93 +395.65 +/- 35.48
144984 ncm-et-15 2021-03-08 03:52 01:15:40 1967750 500 418 3 79 +412.8 +/- 38.79
144983 ncm-et-4 2021-03-08 03:48 01:16:12 1955886 500 402 5 93 +375.98 +/- 35.66
144982 ncm-et-13 2021-03-08 03:48 01:14:27 1961996 500 414 1 85 +408.38 +/- 37.27
144981 ncm-et-3 2021-03-08 03:46 01:14:53 1969085 500 399 7 94 +366.78 +/- 35.45
144980 ncm-et-10 2021-03-08 02:38 01:15:51 1946456 500 399 4 97 +372.25 +/- 34.89
144979 ncm-et-15 2021-03-08 02:36 01:15:34 1950570 500 402 1 97 +383.64 +/- 34.77
144978 ncm-et-9 2021-03-08 02:35 01:17:07 1956814 500 397 5 98 +366.78 +/- 34.71
144977 ncm-et-3 2021-03-08 02:31 01:13:48 1969094 500 385 1 114 +352.8 +/- 31.94
144976 ncm-et-13 2021-03-08 02:31 01:15:52 1966767 500 396 2 102 +370.41 +/- 33.92
144975 ncm-et-4 2021-03-08 02:30 01:17:43 1958473 500 415 1 84 +410.58 +/- 37.5
144974 ncm-et-10 2021-03-08 01:21 01:16:26 1948725 500 389 1 110 +359.68 +/- 32.55
144973 ncm-et-15 2021-03-08 01:20 01:16:01 1945404 500 391 2 107 +361.43 +/- 33.08
144972 ncm-et-9 2021-03-08 01:19 01:15:01 1961387 500 401 0 99 +383.63 +/- 34.34
144971 ncm-et-3 2021-03-08 01:18 01:13:18 1964926 500 404 1 95 +387.57 +/- 35.16
144970 ncm-et-13 2021-03-08 01:16 01:14:22 1964307 500 401 3 96 +377.87 +/- 35.05
144969 ncm-et-4 2021-03-08 01:14 01:15:01 1971563 500 392 2 106 +363.2 +/- 33.24
144968 ncm-et-10 2021-03-08 00:04 01:16:24 1949030 500 404 2 94 +385.59 +/- 35.4
144967 ncm-et-9 2021-03-08 00:03 01:15:20 1954959 500 388 2 110 +356.21 +/- 32.6
144966 ncm-et-15 2021-03-08 00:03 01:16:16 1958614 500 404 2 94 +385.59 +/- 35.4
144965 ncm-et-3 2021-03-08 00:02 01:14:36 1963396 500 399 1 100 +377.87 +/- 34.22
144964 ncm-et-13 2021-03-08 00:02 01:14:01 1965391 500 406 1 93 +391.57 +/- 35.55
144963 ncm-et-4 2021-03-08 00:00 01:13:10 1972500 500 404 2 94 +385.59 +/- 35.4
144962 ncm-et-9 2021-03-07 22:47 01:15:34 1957724 500 398 2 100 +374.11 +/- 34.27
144961 ncm-et-10 2021-03-07 22:47 01:16:48 1955113 500 390 3 107 +357.94 +/- 33.12
144960 ncm-et-4 2021-03-07 22:47 01:12:58 1961694 500 413 1 86 +406.2 +/- 37.04
144959 ncm-et-13 2021-03-07 22:47 01:14:23 1966769 500 397 2 101 +372.25 +/- 34.1
144958 ncm-et-15 2021-03-07 22:47 01:15:21 1963228 500 396 1 103 +372.25 +/- 33.69
144957 ncm-et-3 2021-03-07 22:47 01:14:57 1970195 500 399 4 97 +372.25 +/- 34.89

Commit

Commit ID b74274628c052cc910e36202b88bc5f81724d78c
Author bmc4
Date 2021-03-07 20:16:38 UTC
Use Bitboard over Square in movegen It uses pos.checkers() on target when movegen is the type of EVASION. It simplify the code. And it's also expected a slightly speed up, because Bitboard is more direct when doing bitwise. Passed STC: LLR: 2.93 (-2.94,2.94) {-1.25,0.25} Total: 28176 W: 2506 L: 2437 D: 23233 Ptnml(0-2): 80, 1904, 10063, 1949, 92 https://tests.stockfishchess.org/tests/view/60421d18ddcba5f0627bb6a9 Passed LTC: LLR: 2.93 (-2.94,2.94) {-0.75,0.25} Total: 9704 W: 402 L: 341 D: 8961 Ptnml(0-2): 3, 279, 4230, 334, 6 https://tests.stockfishchess.org/tests/view/60422823ddcba5f0627bb6ae closes https://github.com/official-stockfish/Stockfish/pull/3383 No functional change
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