Dev Builds » 20121111-1020

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 06:39:14 1988709 2785 49 1885 851 -274.99 +/- 11.64
ncm-et-4 06:38:48 1990109 2751 49 1854 848 -273.08 +/- 11.66
ncm-et-7 02:37:45 2020838 1113 22 778 313 -287.58 +/- 19.27
ncm-et-9 06:38:37 1990849 2781 37 1937 807 -290.15 +/- 11.95
ncm-et-10 06:38:57 1987406 2752 57 1871 824 -274.93 +/- 11.85
ncm-et-11 02:37:33 2026010 1113 13 781 319 -294.63 +/- 19.02
ncm-et-12 02:37:49 2011619 1112 23 755 334 -274.39 +/- 18.64
ncm-et-13 06:39:11 1992906 2799 44 1906 849 -278.7 +/- 11.65
ncm-et-15 06:39:00 1989967 2794 51 1924 819 -281.91 +/- 11.88
20000 345 13691 5964 -279.98 +/- 4.4

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
115010 ncm-et-10 2020-02-08 12:15 00:22:08 1963387 151 5 95 51 -238.67 +/- 48.26
115009 ncm-et-4 2020-02-08 12:14 00:23:10 1971882 156 7 102 47 -245.74 +/- 50.36
115008 ncm-et-13 2020-02-08 12:14 00:23:51 1974370 166 1 118 47 -304.64 +/- 50.13
115007 ncm-et-3 2020-02-08 12:12 00:25:10 1963224 171 4 121 46 -290.8 +/- 51.07
115006 ncm-et-9 2020-02-08 12:11 00:26:30 1972650 179 5 129 45 -296.43 +/- 51.64
115005 ncm-et-15 2020-02-08 12:11 00:26:54 1964936 177 5 124 48 -283.15 +/- 49.94
115004 ncm-et-10 2020-02-08 11:01 01:13:48 1964470 500 17 352 131 -281.68 +/- 29.88
115003 ncm-et-4 2020-02-08 11:00 01:12:52 1961703 500 7 332 161 -269.37 +/- 26.77
115002 ncm-et-13 2020-02-08 11:00 01:12:21 1970634 500 9 347 144 -285.49 +/- 28.47
115001 ncm-et-3 2020-02-08 10:58 01:12:42 1961996 500 10 343 147 -279.17 +/- 28.18
115000 ncm-et-9 2020-02-08 10:58 01:12:02 1965396 500 8 352 140 -293.29 +/- 28.88
114999 ncm-et-15 2020-02-08 10:57 01:12:37 1963532 500 10 350 140 -288.06 +/- 28.91
114998 ncm-et-4 2020-02-08 09:46 01:12:54 1968781 500 10 329 161 -262.24 +/- 26.85
114997 ncm-et-10 2020-02-08 09:46 01:13:43 1960617 500 7 322 171 -257.59 +/- 25.91
114996 ncm-et-13 2020-02-08 09:46 01:13:33 1965998 500 8 344 148 -282.94 +/- 28.04
114995 ncm-et-3 2020-02-08 09:46 01:11:56 1962002 500 8 323 169 -257.59 +/- 26.11
114994 ncm-et-9 2020-02-08 09:45 01:12:02 1972650 500 7 335 158 -273.0 +/- 27.05
114993 ncm-et-15 2020-02-08 09:45 01:10:57 1967234 500 5 360 135 -308.24 +/- 29.36
114992 ncm-et-4 2020-02-08 08:33 01:12:14 1968338 500 8 348 144 -288.06 +/- 28.45
114991 ncm-et-15 2020-02-08 08:33 01:10:49 1975136 500 12 335 153 -266.97 +/- 27.62
114990 ncm-et-13 2020-02-08 08:33 01:11:33 1968019 500 6 337 157 -276.69 +/- 27.11
114989 ncm-et-10 2020-02-08 08:33 01:11:54 1962164 500 16 336 148 -263.42 +/- 28.12
114988 ncm-et-9 2020-02-08 08:33 01:11:06 1963533 500 4 361 135 -311.06 +/- 29.33
114987 ncm-et-3 2020-02-08 08:33 01:11:37 1960464 500 10 337 153 -271.78 +/- 27.59
42611 ncm-et-4 2018-06-21 11:46 00:14:04 2023449 95 1 59 35 -246.6 +/- 57.78
42610 ncm-et-9 2018-06-21 11:45 00:14:37 2022140 102 0 67 35 -273.52 +/- 57.49
42609 ncm-et-10 2018-06-21 11:45 00:14:57 2020022 101 1 60 40 -232.35 +/- 53.57
42608 ncm-et-11 2018-06-21 11:44 00:15:28 2027866 113 1 75 37 -272.31 +/- 56.49
42607 ncm-et-3 2018-06-21 11:44 00:16:06 2025081 114 1 82 31 -308.61 +/- 62.51
42606 ncm-et-7 2018-06-21 11:44 00:16:06 2022144 113 0 75 38 -277.74 +/- 55.15
42605 ncm-et-12 2018-06-21 11:43 00:16:15 2008668 112 2 74 36 -265.1 +/- 57.65
42604 ncm-et-15 2018-06-21 11:42 00:17:23 2020021 117 2 78 37 -269.11 +/- 56.86
42603 ncm-et-13 2018-06-21 11:41 00:18:41 2023283 133 2 88 43 -267.34 +/- 52.49
42602 ncm-et-4 2018-06-21 10:33 01:11:49 2009896 500 10 335 155 -269.37 +/- 27.4
42601 ncm-et-10 2018-06-21 10:33 01:10:51 2021651 500 7 352 141 -294.61 +/- 28.75
42600 ncm-et-7 2018-06-21 10:33 01:10:01 2018882 500 9 356 135 -297.28 +/- 29.45
42599 ncm-et-9 2018-06-21 10:32 01:11:47 2021652 500 9 349 142 -288.06 +/- 28.68
42598 ncm-et-11 2018-06-21 10:32 01:10:52 2026066 500 6 351 143 -294.61 +/- 28.51
42597 ncm-et-3 2018-06-21 10:32 01:10:30 2024753 500 7 343 150 -282.94 +/- 27.82
42596 ncm-et-12 2018-06-21 10:32 01:10:36 2019859 500 13 339 148 -270.57 +/- 28.11
42595 ncm-et-15 2018-06-21 10:32 01:09:41 2020678 500 12 342 146 -275.45 +/- 28.31
42594 ncm-et-13 2018-06-21 10:31 01:09:24 2025247 500 10 336 154 -270.57 +/- 27.5
42593 ncm-et-9 2018-06-21 09:21 01:10:33 2017928 500 4 344 152 -288.06 +/- 27.52
42592 ncm-et-10 2018-06-21 09:20 01:11:36 2019534 500 4 354 142 -301.33 +/- 28.54
42591 ncm-et-4 2018-06-21 09:20 01:11:45 2026718 500 6 349 145 -291.97 +/- 28.3
42590 ncm-et-15 2018-06-21 09:20 01:10:39 2018235 500 5 335 160 -275.45 +/- 26.8
42589 ncm-et-11 2018-06-21 09:20 01:11:13 2024100 500 6 355 139 -299.97 +/- 28.94
42588 ncm-et-7 2018-06-21 09:20 01:11:38 2021488 500 13 347 140 -280.42 +/- 28.93
42587 ncm-et-3 2018-06-21 09:20 01:11:13 2023446 500 9 336 155 -271.78 +/- 27.38
42586 ncm-et-12 2018-06-21 09:20 01:10:58 2006332 500 8 342 150 -280.42 +/- 27.84
42585 ncm-et-13 2018-06-21 09:20 01:09:48 2022793 500 8 336 156 -273.0 +/- 27.26

Commit

Commit ID c45a4e0b48d7f5c570637d63592a07e185476334
Author Marco Costalba
Date 2012-11-11 10:20:39 UTC
Revert "Don't prune discovered checks" Both Lucas re-test and Jean-Francois confirrm it is a regression. Here Jean-Francois's results after 3600 games : Score of 96d3b1c92b8 vs 3b87314: 690 - 729 - 2181 [0.495] 3600 ELO: -3.86 +- 99%: 14.94 95%: 11.35 LOS: 15.03% Wins: 690 Losses: 729 Draws: 2181 Total: 3600 Bench: 5404066
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