Dev Builds » 20161225-0934

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 06:34:15 1987995 2695 771 106 1818 +87.54 +/- 7.19
ncm-et-4 06:34:34 1985451 2695 819 105 1771 +94.3 +/- 7.37
ncm-et-5 02:24:47 2014285 1000 290 39 671 +89.11 +/- 11.86
ncm-et-6 02:26:35 2025740 999 314 41 644 +97.42 +/- 12.34
ncm-et-7 02:25:05 2020297 997 298 44 655 +90.51 +/- 12.17
ncm-et-8 02:28:07 1998466 993 303 45 645 +92.39 +/- 12.33
ncm-et-9 06:33:50 1989052 2691 805 114 1772 +91.26 +/- 7.38
ncm-et-10 06:34:16 1988682 2709 771 110 1828 +86.52 +/- 7.17
ncm-et-11 02:27:16 1991808 1000 316 44 640 +96.94 +/- 12.44
ncm-et-12 02:26:05 2012758 1000 271 43 686 +80.63 +/- 11.63
ncm-et-13 04:09:54 1978770 1709 493 78 1138 +86.09 +/- 9.18
ncm-et-15 04:09:23 1745171 1513 454 52 1007 +94.58 +/- 9.68
20001 5905 821 13275 +90.29 +/- 2.68

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
63891 ncm-et-15 2018-12-26 03:48 00:02:45 1672467 13 2 0 11 +53.85 +/- 70.85
63890 ncm-et-9 2018-12-26 03:23 00:27:35 1967390 191 49 9 133 +73.85 +/- 26.32
63889 ncm-et-4 2018-12-26 03:22 00:29:03 1964611 195 53 7 135 +83.53 +/- 25.98
63888 ncm-et-10 2018-12-26 03:22 00:28:56 1965241 198 51 10 137 +73.0 +/- 26.09
63887 ncm-et-3 2018-12-26 03:21 00:29:12 1978467 195 60 6 129 +98.79 +/- 27.09
63886 ncm-et-13 2018-12-26 03:21 00:29:41 1983192 209 54 12 143 +70.78 +/- 25.81
63885 ncm-et-15 2018-12-26 02:26 01:20:28 1815798 500 157 16 327 +100.71 +/- 17.1
63884 ncm-et-9 2018-12-26 02:09 01:13:19 1972506 500 150 20 330 +92.46 +/- 17.06
63883 ncm-et-3 2018-12-26 02:08 01:12:47 1965537 500 137 18 345 +84.31 +/- 16.26
63882 ncm-et-4 2018-12-26 02:07 01:13:30 1972225 500 158 14 328 +102.97 +/- 16.98
63881 ncm-et-10 2018-12-26 02:06 01:14:47 1970708 500 152 22 326 +92.46 +/- 17.31
63880 ncm-et-13 2018-12-26 02:05 01:14:52 1985179 500 151 15 334 +96.94 +/- 16.72
63879 ncm-et-15 2018-12-26 01:06 01:19:12 1793121 500 149 18 333 +93.2 +/- 16.86
63878 ncm-et-9 2018-12-26 00:53 01:14:29 1972986 500 133 23 344 +77.71 +/- 16.44
63877 ncm-et-4 2018-12-26 00:53 01:13:00 1963070 500 149 25 326 +88.0 +/- 17.39
63876 ncm-et-3 2018-12-26 00:53 01:13:37 1965382 500 146 24 330 +86.52 +/- 17.17
63875 ncm-et-10 2018-12-26 00:53 01:11:49 1961393 500 162 15 323 +105.25 +/- 17.26
63874 ncm-et-13 2018-12-26 00:51 01:12:46 1975146 500 149 26 325 +87.26 +/- 17.46
63873 ncm-et-15 2018-12-25 23:38 01:26:58 1699301 500 146 18 336 +90.97 +/- 16.71
63872 ncm-et-13 2018-12-25 23:37 01:12:35 1971563 500 139 25 336 +80.63 +/- 16.89
63871 ncm-et-10 2018-12-25 23:37 01:14:23 1963693 500 138 15 347 +87.26 +/- 16.07
63870 ncm-et-9 2018-12-25 23:37 01:14:47 1971267 500 149 19 332 +92.46 +/- 16.94
63869 ncm-et-4 2018-12-25 23:37 01:14:37 1964765 500 157 16 327 +100.71 +/- 17.1
63868 ncm-et-3 2018-12-25 23:37 01:14:38 1966459 500 143 16 341 +90.22 +/- 16.4
2820 ncm-et-10 2018-02-24 20:18 00:01:58 2019696 11 4 0 7 +132.35 +/- 120.26
2819 ncm-et-7 2018-02-24 19:07 01:13:05 2022468 497 160 19 318 +101.35 +/- 17.59
2818 ncm-et-8 2018-02-24 19:07 01:13:11 2009665 493 160 16 317 +104.53 +/- 17.5
2817 ncm-et-6 2018-02-24 19:07 01:13:14 2028033 499 167 19 313 +106.24 +/- 17.86
2816 ncm-et-3 2018-02-24 19:07 01:12:18 2027539 500 139 18 343 +85.78 +/- 16.36
2815 ncm-et-4 2018-02-24 19:07 01:12:37 2023610 500 165 22 313 +102.22 +/- 17.95
2814 ncm-et-11 2018-02-24 19:07 01:13:05 1996782 500 168 24 308 +102.97 +/- 18.24
2813 ncm-et-9 2018-02-24 19:07 01:11:27 2025899 500 158 24 318 +95.44 +/- 17.75
2812 ncm-et-5 2018-02-24 19:07 01:12:01 2003489 500 145 17 338 +90.97 +/- 16.58
2811 ncm-et-12 2018-02-24 19:07 01:12:16 2005168 500 135 20 345 +81.37 +/- 16.32
2810 ncm-et-10 2018-02-24 19:07 01:10:27 2019371 500 123 25 352 +68.99 +/- 16.09
2786 ncm-et-10 2018-02-24 15:16 01:11:56 2020673 500 141 23 336 +83.57 +/- 16.84
2785 ncm-et-7 2018-02-24 15:16 01:12:00 2018126 500 138 25 337 +79.9 +/- 16.84
2784 ncm-et-4 2018-02-24 15:16 01:11:47 2024427 500 137 21 342 +82.1 +/- 16.49
2783 ncm-et-12 2018-02-24 15:16 01:13:49 2020348 500 136 23 341 +79.9 +/- 16.6
2782 ncm-et-11 2018-02-24 15:16 01:14:11 1986834 500 148 20 332 +90.97 +/- 16.96
2781 ncm-et-6 2018-02-24 15:16 01:13:21 2023447 500 147 22 331 +88.74 +/- 17.07
2780 ncm-et-8 2018-02-24 15:16 01:14:56 1987268 500 143 29 328 +80.63 +/- 17.38
2779 ncm-et-9 2018-02-24 15:16 01:12:13 2024264 500 166 19 315 +105.25 +/- 17.77
2778 ncm-et-3 2018-02-24 15:16 01:11:43 2024590 500 146 24 330 +86.52 +/- 17.17
2777 ncm-et-5 2018-02-24 15:16 01:12:46 2025081 500 145 22 333 +87.26 +/- 16.97

Commit

Commit ID af7412e58a4ce374b5035d9bb1e8c47a108ff352
Author Joost VandeVondele
Date 2016-12-25 09:34:48 UTC
Explicitly use alpha+1 for beta in NonPV search (#939) Fixes the only exception, in razoring. The code already does assert(PvNode || (alpha == beta - 1)), and it can be verified by studying the program flow that this is indeed the case, also for the modified line. No functional change.
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