Dev Builds » 20121105-1512

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 07:01:30 1990294 2926 69 1979 878 -271.04 +/- 11.49
ncm-et-4 07:01:19 1972744 2877 57 1977 843 -280.02 +/- 11.72
ncm-et-9 07:01:14 1983522 2913 58 2015 840 -282.83 +/- 11.74
ncm-et-10 07:00:58 1987446 2933 71 1989 873 -271.75 +/- 11.52
ncm-et-11 02:58:34 2025354 1258 25 860 373 -277.77 +/- 17.63
ncm-et-12 02:58:32 1986204 1239 19 851 369 -282.63 +/- 17.7
ncm-et-13 07:01:15 1994809 2928 49 1987 892 -276.61 +/- 11.37
ncm-et-15 07:00:57 1989234 2926 58 1980 888 -273.53 +/- 11.41
20000 406 13638 5956 -276.44 +/- 4.4

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
115082 ncm-et-4 2020-02-09 00:34 00:20:19 1962150 140 2 89 49 -252.7 +/- 48.84
115081 ncm-et-9 2020-02-09 00:32 00:23:07 1969720 160 4 112 44 -284.85 +/- 52.24
115080 ncm-et-13 2020-02-09 00:31 00:23:48 1969549 163 5 108 50 -258.69 +/- 48.84
115079 ncm-et-10 2020-02-09 00:30 00:24:11 1956482 168 2 115 51 -283.34 +/- 48.11
115078 ncm-et-3 2020-02-09 00:29 00:25:15 1960157 171 4 115 52 -268.84 +/- 47.83
115077 ncm-et-15 2020-02-09 00:27 00:27:56 1962611 198 2 142 54 -306.2 +/- 46.84
115076 ncm-et-4 2020-02-08 23:19 01:14:43 1952608 500 7 347 146 -288.06 +/- 28.22
115075 ncm-et-9 2020-02-08 23:18 01:12:45 1959694 500 5 350 145 -294.61 +/- 28.26
115074 ncm-et-13 2020-02-08 23:17 01:13:21 1964302 500 8 345 147 -284.22 +/- 28.14
115073 ncm-et-10 2020-02-08 23:16 01:12:51 1968480 500 15 346 139 -276.69 +/- 29.03
115072 ncm-et-3 2020-02-08 23:15 01:13:16 1967078 500 6 351 143 -294.61 +/- 28.51
115071 ncm-et-15 2020-02-08 23:14 01:11:09 1970944 500 15 350 135 -281.68 +/- 29.46
115070 ncm-et-13 2020-02-08 22:03 01:12:23 1973751 500 7 341 152 -280.42 +/- 27.62
115069 ncm-et-9 2020-02-08 22:03 01:13:52 1969708 500 11 342 147 -276.69 +/- 28.19
115068 ncm-et-4 2020-02-08 22:03 01:14:42 1925288 500 9 351 140 -290.66 +/- 28.9
115067 ncm-et-10 2020-02-08 22:02 01:12:37 1964614 500 15 337 148 -265.78 +/- 28.12
115066 ncm-et-3 2020-02-08 22:02 01:12:00 1964151 500 11 343 146 -277.93 +/- 28.3
115065 ncm-et-15 2020-02-08 22:02 01:11:29 1972979 500 10 312 178 -243.0 +/- 25.43
115064 ncm-et-9 2020-02-08 20:49 01:13:04 1973589 500 15 336 149 -264.6 +/- 28.03
115063 ncm-et-15 2020-02-08 20:49 01:12:09 1962918 500 6 354 140 -298.62 +/- 28.83
115062 ncm-et-3 2020-02-08 20:49 01:12:30 1962148 500 15 326 159 -253.02 +/- 27.1
115061 ncm-et-4 2020-02-08 20:48 01:13:21 1948484 500 12 340 148 -273.0 +/- 28.11
115060 ncm-et-10 2020-02-08 20:48 01:12:56 1965085 500 11 342 147 -276.69 +/- 28.19
115059 ncm-et-13 2020-02-08 20:48 01:13:37 1976235 500 6 334 160 -273.0 +/- 26.83
42737 ncm-et-15 2018-06-22 02:20 00:32:58 2017097 228 4 148 76 -258.51 +/- 39.18
42736 ncm-et-4 2018-06-22 02:20 00:33:24 1992639 237 4 161 72 -276.96 +/- 40.41
42735 ncm-et-12 2018-06-22 02:19 00:34:48 2019047 239 7 154 78 -249.12 +/- 38.85
42734 ncm-et-3 2018-06-22 02:17 00:36:01 2025575 255 6 176 73 -279.59 +/- 40.25
42733 ncm-et-10 2018-06-22 02:17 00:36:02 2019370 265 2 184 79 -292.49 +/- 38.36
42732 ncm-et-11 2018-06-22 02:17 00:36:17 2024265 258 6 175 77 -272.42 +/- 39.14
42731 ncm-et-9 2018-06-22 02:16 00:37:02 1958017 253 4 184 65 -309.27 +/- 42.73
42730 ncm-et-13 2018-06-22 02:16 00:36:48 2027539 265 5 186 74 -290.02 +/- 39.96
42729 ncm-et-15 2018-06-22 01:08 01:11:31 2019045 500 9 340 151 -276.69 +/- 27.77
42728 ncm-et-12 2018-06-22 01:07 01:10:39 2022958 500 5 349 146 -293.29 +/- 28.16
42727 ncm-et-3 2018-06-22 01:06 01:10:27 2024427 500 15 339 146 -268.17 +/- 28.32
42726 ncm-et-4 2018-06-22 01:06 01:13:22 2002469 500 9 336 155 -271.78 +/- 27.38
42725 ncm-et-10 2018-06-22 01:06 01:10:42 2020021 500 12 343 145 -276.69 +/- 28.41
42724 ncm-et-13 2018-06-22 01:06 01:09:46 2025739 500 9 335 156 -270.57 +/- 27.29
42723 ncm-et-9 2018-06-22 01:04 01:11:04 2027868 500 8 345 147 -284.22 +/- 28.14
42722 ncm-et-11 2018-06-22 01:04 01:12:08 2025572 500 7 330 163 -266.97 +/- 26.6
42721 ncm-et-4 2018-06-21 23:53 01:11:28 2025572 500 14 353 133 -286.77 +/- 29.69
42720 ncm-et-15 2018-06-21 23:53 01:13:45 2019046 500 12 334 154 -265.78 +/- 27.53
42719 ncm-et-13 2018-06-21 23:53 01:11:32 2026554 500 9 338 153 -274.22 +/- 27.57
42718 ncm-et-10 2018-06-21 23:53 01:11:39 2018071 500 14 322 164 -249.64 +/- 26.66
42717 ncm-et-9 2018-06-21 23:53 01:10:20 2026063 500 11 346 143 -281.68 +/- 28.6
42716 ncm-et-12 2018-06-21 23:53 01:13:05 1916608 500 7 348 145 -289.36 +/- 28.32
42715 ncm-et-11 2018-06-21 23:53 01:10:09 2026227 500 12 355 133 -291.97 +/- 29.7
42714 ncm-et-3 2018-06-21 23:53 01:12:01 2028523 500 12 329 159 -259.91 +/- 27.07

Commit

Commit ID c581b7ea36274826b95497570231335dd6b77468
Author Marco Costalba
Date 2012-11-05 15:12:28 UTC
Another attempt at evaluation shortcut In this case we try a rather drastic approach: we simply don't futility prune in qsearch when arriving from a null move. So we save evaluating and also save to mess with eval margins at all because margin is used only in futility. Also accuracy should not be affected, actually it improves because we don't prune anything anymore. bench: 5404066
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