Dev Builds » 20121014-1047

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 08:46:36 1994803 3668 83 2477 1108 -270.98 +/- 10.22
ncm-et-4 08:46:03 1993683 3675 69 2487 1119 -274.2 +/- 10.16
ncm-et-9 08:46:57 1990862 3662 77 2499 1086 -276.31 +/- 10.32
ncm-et-10 08:45:30 1990895 3665 70 2486 1109 -274.97 +/- 10.21
ncm-et-13 03:56:36 2025818 1676 40 1146 490 -275.39 +/- 15.39
ncm-et-15 08:47:04 1990489 3654 82 2471 1101 -271.66 +/- 10.25
20000 421 13566 6013 -273.76 +/- 4.38

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
116319 ncm-et-4 2020-02-18 09:10 00:01:10 1969406 8 0 6 2 -337.87 +/- 515.83
116318 ncm-et-9 2020-02-18 08:00 01:11:24 1967697 498 13 349 136 -284.66 +/- 29.36
116317 ncm-et-10 2020-02-18 08:00 01:10:52 1957866 499 5 347 147 -291.56 +/- 28.05
116316 ncm-et-15 2020-02-18 07:59 01:12:13 1975603 495 15 324 156 -254.3 +/- 27.37
116315 ncm-et-3 2020-02-18 07:59 01:12:32 1965379 500 12 335 153 -266.97 +/- 27.62
116314 ncm-et-4 2020-02-18 07:57 01:12:41 1965227 500 10 341 149 -276.69 +/- 27.98
116313 ncm-et-9 2020-02-18 06:46 01:12:40 1969562 500 13 332 155 -262.24 +/- 27.45
116312 ncm-et-10 2020-02-18 06:46 01:12:20 1960001 500 9 341 150 -277.93 +/- 27.86
116311 ncm-et-3 2020-02-18 06:45 01:12:41 1963532 500 10 335 155 -269.37 +/- 27.4
116310 ncm-et-15 2020-02-18 06:44 01:13:59 1968795 500 11 336 153 -269.37 +/- 27.61
116309 ncm-et-4 2020-02-18 06:44 01:11:47 1965380 500 8 332 160 -268.17 +/- 26.89
116308 ncm-et-9 2020-02-18 05:33 01:12:23 1969244 500 7 336 157 -274.22 +/- 27.14
116307 ncm-et-3 2020-02-18 05:32 01:11:55 1964301 500 13 334 153 -264.6 +/- 27.63
116306 ncm-et-10 2020-02-18 05:32 01:13:19 1969711 500 13 341 146 -273.0 +/- 28.31
116305 ncm-et-15 2020-02-18 05:31 01:12:03 1969099 500 10 337 153 -271.78 +/- 27.59
116304 ncm-et-4 2020-02-18 05:31 01:12:01 1973124 500 13 336 151 -266.97 +/- 27.82
116303 ncm-et-3 2020-02-18 04:18 01:13:09 1965379 500 8 327 165 -262.24 +/- 26.45
116302 ncm-et-15 2020-02-18 04:18 01:12:17 1960156 500 13 340 147 -271.78 +/- 28.21
116301 ncm-et-9 2020-02-18 04:18 01:14:03 1962457 500 8 335 157 -271.78 +/- 27.17
116300 ncm-et-10 2020-02-18 04:18 01:13:01 1960469 500 11 327 162 -258.75 +/- 26.78
116299 ncm-et-4 2020-02-18 04:18 01:11:56 1973116 500 6 338 156 -277.93 +/- 27.2
43918 ncm-et-15 2018-06-29 13:47 00:22:43 2020184 159 3 108 48 -275.68 +/- 49.8
43917 ncm-et-4 2018-06-29 13:46 00:23:16 2027046 167 5 113 49 -267.39 +/- 49.38
43916 ncm-et-9 2018-06-29 13:46 00:23:40 2024754 164 4 113 47 -278.32 +/- 50.46
43915 ncm-et-10 2018-06-29 13:45 00:23:52 2018396 166 4 118 44 -292.46 +/- 52.27
43914 ncm-et-3 2018-06-29 13:45 00:24:30 2023772 168 4 107 57 -248.02 +/- 45.47
43913 ncm-et-13 2018-06-29 13:45 00:24:39 2025572 176 5 115 56 -254.73 +/- 46.03
43912 ncm-et-15 2018-06-29 12:35 01:10:37 2020347 500 11 330 159 -262.24 +/- 27.05
43911 ncm-et-4 2018-06-29 12:35 01:10:24 2022632 500 11 339 150 -273.0 +/- 27.9
43910 ncm-et-9 2018-06-29 12:34 01:10:21 2024427 500 7 343 150 -282.94 +/- 27.82
43909 ncm-et-3 2018-06-29 12:33 01:10:54 2025899 500 7 347 146 -288.06 +/- 28.22
43908 ncm-et-13 2018-06-29 12:33 01:11:13 2026882 500 10 352 138 -290.66 +/- 29.13
43907 ncm-et-10 2018-06-29 12:31 01:12:49 2019208 500 12 314 174 -243.0 +/- 25.79
43906 ncm-et-15 2018-06-29 11:24 01:09:48 1993285 500 6 346 148 -288.06 +/- 27.99
43905 ncm-et-4 2018-06-29 11:23 01:11:10 2025735 500 9 331 160 -265.78 +/- 26.92
43904 ncm-et-9 2018-06-29 11:23 01:10:48 1986289 500 12 333 155 -264.6 +/- 27.43
43903 ncm-et-3 2018-06-29 11:22 01:09:57 2024590 500 16 347 137 -276.69 +/- 29.24
43902 ncm-et-13 2018-06-29 11:21 01:10:24 2024590 500 12 330 158 -261.07 +/- 27.16
43901 ncm-et-10 2018-06-29 11:21 01:09:47 2020185 500 13 340 147 -271.78 +/- 28.21
43900 ncm-et-10 2018-06-29 10:10 01:09:30 2021325 500 3 358 139 -308.24 +/- 28.83
43899 ncm-et-3 2018-06-29 10:10 01:10:58 2025572 500 13 345 142 -277.93 +/- 28.72
43898 ncm-et-4 2018-06-29 10:10 01:11:38 2021488 500 7 351 142 -293.29 +/- 28.64
43897 ncm-et-9 2018-06-29 10:10 01:11:38 2022466 500 13 358 129 -294.61 +/- 30.16
43896 ncm-et-13 2018-06-29 10:10 01:10:20 2026228 500 13 349 138 -282.94 +/- 29.14
43895 ncm-et-15 2018-06-29 10:10 01:13:24 2016447 500 13 350 137 -284.22 +/- 29.25

Commit

Commit ID 3aa2d6db18debdc619b4e53809a9bd0eb5faa155
Author Marco Costalba
Date 2012-10-14 10:47:16 UTC
Document why is safe ttValue == VALUE_NONE We can have ttValue == VALUE_NONE when we use a TT slot to just save a position static evaluation, but in this case we also save DEPTH_NONE so to avoid using the ttValue in search. This happens to work, but due to a number of lucky and tricky cases that we now documnet through a bunch of asserts and a little change to value_from_tt() that has no real effect but clarifing the code. No functional change.
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