Dev Builds » 20161119-0920

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 01:51:48 2027458 754 207 36 511 +80.19 +/- 13.61
ncm-et-4 06:47:59 1962726 2732 763 112 1857 +84.41 +/- 7.09
ncm-et-5 01:51:51 2022223 782 225 26 531 +90.4 +/- 13.19
ncm-et-6 01:52:02 2024590 765 220 33 512 +86.68 +/- 13.64
ncm-et-7 01:52:07 2013148 783 244 32 507 +96.47 +/- 13.88
ncm-et-8 01:51:53 1985586 753 227 39 487 +88.62 +/- 14.28
ncm-et-9 06:47:40 1986242 2793 804 113 1876 +87.78 +/- 7.09
ncm-et-10 06:47:58 1981670 2784 785 113 1886 +85.55 +/- 7.05
ncm-et-11 01:51:41 1994276 766 214 33 519 +83.68 +/- 13.46
ncm-et-12 01:51:55 2019860 779 209 30 540 +81.29 +/- 12.99
ncm-et-13 06:48:07 1992980 2776 775 134 1867 +81.7 +/- 7.15
ncm-et-14 01:51:50 2018965 767 221 26 520 +90.31 +/- 13.34
ncm-et-15 06:47:29 1983962 2766 818 107 1841 +91.36 +/- 7.18
20000 5712 834 13454 +86.48 +/- 2.65

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
65201 ncm-et-15 2019-01-07 13:34 00:01:39 1959545 9 5 0 4 +217.54 +/- 198.33
65200 ncm-et-9 2019-01-07 13:34 00:02:35 1968474 13 4 0 9 +110.44 +/- 99.71
65199 ncm-et-4 2019-01-07 12:24 01:11:59 1948817 478 141 11 326 +96.93 +/- 16.63
65198 ncm-et-10 2019-01-07 12:22 01:13:10 1966459 500 154 12 334 +101.46 +/- 16.62
65197 ncm-et-13 2019-01-07 12:22 01:13:35 1987722 500 135 21 344 +80.63 +/- 16.39
65196 ncm-et-15 2019-01-07 12:21 01:12:47 1974983 500 135 19 346 +82.1 +/- 16.24
65195 ncm-et-9 2019-01-07 12:20 01:12:21 1965869 500 155 15 330 +99.95 +/- 16.92
65194 ncm-et-4 2019-01-07 11:10 01:13:01 1973967 500 138 23 339 +81.37 +/- 16.69
65193 ncm-et-15 2019-01-07 11:06 01:13:05 1971726 500 138 25 337 +79.9 +/- 16.84
65192 ncm-et-13 2019-01-07 11:06 01:15:00 1967544 500 140 26 334 +80.63 +/- 17.01
65191 ncm-et-10 2019-01-07 11:06 01:15:35 1955794 500 163 20 317 +102.22 +/- 17.7
65190 ncm-et-9 2019-01-07 11:06 01:13:32 1976544 500 133 16 351 +82.83 +/- 15.9
65189 ncm-et-4 2019-01-07 09:56 01:13:34 1931939 500 128 18 354 +77.71 +/- 15.81
65188 ncm-et-13 2019-01-07 09:52 01:13:04 1983614 500 143 26 331 +82.83 +/- 17.16
65187 ncm-et-15 2019-01-07 09:51 01:14:36 1971577 500 161 15 324 +104.49 +/- 17.21
65186 ncm-et-10 2019-01-07 09:51 01:13:57 1964770 500 123 26 351 +68.27 +/- 16.16
65185 ncm-et-9 2019-01-07 09:50 01:14:18 1973910 500 143 28 329 +81.37 +/- 17.31
65184 ncm-et-4 2019-01-07 08:37 01:17:39 1898750 500 131 25 344 +74.79 +/- 16.49
65183 ncm-et-15 2019-01-07 08:36 01:13:18 1973115 500 164 23 313 +100.71 +/- 17.97
65182 ncm-et-10 2019-01-07 08:36 01:13:18 1962466 500 126 19 355 +75.52 +/- 15.78
65181 ncm-et-9 2019-01-07 08:36 01:12:51 1966936 500 141 21 338 +85.04 +/- 16.69
65180 ncm-et-13 2019-01-07 08:36 01:14:32 1970965 500 149 29 322 +85.04 +/- 17.67
10674 ncm-et-3 2018-03-21 21:43 00:37:02 2025572 254 69 9 176 +83.65 +/- 22.72
10673 ncm-et-4 2018-03-21 21:43 00:37:14 2024917 254 68 12 174 +77.88 +/- 23.22
10672 ncm-et-15 2018-03-21 21:42 00:37:37 2018558 257 71 6 180 +89.82 +/- 22.06
10671 ncm-et-8 2018-03-21 21:42 00:37:42 1991142 253 83 17 153 +92.78 +/- 26.34
10670 ncm-et-9 2018-03-21 21:41 00:38:44 2026065 280 81 10 189 +90.06 +/- 22.24
10669 ncm-et-6 2018-03-21 21:41 00:38:52 2023773 265 74 5 186 +92.6 +/- 21.57
10668 ncm-et-11 2018-03-21 21:41 00:39:28 1969670 266 79 10 177 +92.23 +/- 23.18
10667 ncm-et-12 2018-03-21 21:40 00:39:35 2021001 279 77 5 197 +91.73 +/- 20.85
10666 ncm-et-13 2018-03-21 21:40 00:39:37 2023772 276 64 14 198 +63.64 +/- 21.21
10665 ncm-et-14 2018-03-21 21:40 00:39:54 2018072 267 78 6 183 +96.07 +/- 22.14
10664 ncm-et-7 2018-03-21 21:40 00:40:27 2025081 283 92 14 177 +98.3 +/- 23.98
10663 ncm-et-5 2018-03-21 21:40 00:40:33 2022629 282 82 10 190 +90.71 +/- 22.2
10662 ncm-et-10 2018-03-21 21:39 00:41:06 2020347 284 68 11 205 +70.69 +/- 20.56
10661 ncm-et-11 2018-03-21 20:27 01:12:13 2018883 500 135 23 342 +79.17 +/- 16.55
10660 ncm-et-4 2018-03-21 20:27 01:14:32 1997971 500 157 23 320 +95.44 +/- 17.63
10659 ncm-et-5 2018-03-21 20:27 01:11:18 2021817 500 143 16 341 +90.22 +/- 16.4
10658 ncm-et-8 2018-03-21 20:27 01:14:11 1980031 500 144 22 334 +86.52 +/- 16.92
10657 ncm-et-10 2018-03-21 20:27 01:10:52 2020185 500 151 25 324 +89.48 +/- 17.48
10656 ncm-et-3 2018-03-21 20:26 01:14:46 2029344 500 138 27 335 +78.44 +/- 16.99
10655 ncm-et-6 2018-03-21 20:26 01:13:10 2025408 500 146 28 326 +83.57 +/- 17.45
10654 ncm-et-7 2018-03-21 20:26 01:11:40 2001215 500 152 18 330 +95.44 +/- 17.01
10653 ncm-et-14 2018-03-21 20:26 01:11:56 2019858 500 143 20 337 +87.26 +/- 16.72
10652 ncm-et-12 2018-03-21 20:26 01:12:20 2018720 500 132 25 343 +75.52 +/- 16.54
10651 ncm-et-13 2018-03-21 20:26 01:12:19 2024263 500 144 18 338 +89.48 +/- 16.61
10650 ncm-et-15 2018-03-21 20:26 01:14:27 2018232 500 144 19 337 +88.74 +/- 16.69
10649 ncm-et-9 2018-03-21 20:26 01:13:19 2025899 500 147 23 330 +88.0 +/- 17.14

Commit

Commit ID 797602938da5087d0af2448a72767cb17cd8c248
Author Aram Tumanian
Date 2016-11-19 09:20:28 UTC
Start searching for a repetition from the 4th ply behind A position can never repeat the one on the previous move. Thus we can start searching for a repetition from the 4th ply behind. In the case: std::min(st->rule50, st->pliesFromNull) < 4 We don't need to do any more calculations. This case happens very often - in more than a half of all calls of the function. No functional change.
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