Dev Builds » 20180521-0737

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 06:07:29 2001239 2433 1187 64 1182 +173.48 +/- 9.63
ncm-et-4 06:09:43 2000440 2450 1215 77 1158 +174.77 +/- 9.8
ncm-et-5 01:56:10 2015349 769 362 19 388 +166.68 +/- 16.71
ncm-et-6 01:55:55 2025081 776 367 15 394 +169.98 +/- 16.49
ncm-et-7 01:56:00 2008158 766 374 13 379 +177.79 +/- 16.85
ncm-et-9 06:08:32 2001117 2435 1132 74 1229 +161.71 +/- 9.42
ncm-et-10 06:09:26 1994121 2439 1174 54 1211 +172.43 +/- 9.46
ncm-et-11 01:56:14 2017178 771 391 17 363 +184.01 +/- 17.41
ncm-et-12 01:56:08 1984795 753 377 26 350 +175.5 +/- 17.9
ncm-et-13 06:11:35 1978070 2438 1159 55 1224 +169.64 +/- 9.39
ncm-et-14 01:55:45 2019620 769 385 17 367 +181.05 +/- 17.29
ncm-et-15 06:11:20 1993476 2441 1216 55 1170 +179.73 +/- 9.67
ncm-et-16 01:56:02 2011318 760 350 17 393 +163.28 +/- 16.51
20000 9689 503 9808 +172.48 +/- 3.34

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
50604 ncm-et-9 2018-08-21 05:12 00:25:09 1990034 164 70 9 85 +135.74 +/- 36.35
50603 ncm-et-10 2018-08-21 05:12 00:25:34 1982477 163 76 3 84 +167.47 +/- 35.76
50602 ncm-et-15 2018-08-21 05:12 00:25:27 1982167 166 91 3 72 +205.1 +/- 39.57
50601 ncm-et-4 2018-08-21 05:12 00:25:52 1990824 169 92 1 76 +209.15 +/- 37.92
50600 ncm-et-13 2018-08-21 05:12 00:25:53 1964030 170 72 4 94 +147.19 +/- 33.46
50599 ncm-et-3 2018-08-21 05:12 00:25:55 1990035 168 78 3 87 +166.85 +/- 35.09
50556 ncm-et-9 2018-08-20 19:10 01:14:29 1987667 500 230 15 255 +159.78 +/- 20.67
50555 ncm-et-13 2018-08-20 19:10 01:16:57 1940697 500 257 11 232 +187.16 +/- 21.83
50554 ncm-et-10 2018-08-20 19:10 01:15:55 1981852 500 241 9 250 +174.55 +/- 20.75
50553 ncm-et-4 2018-08-20 19:09 01:16:20 1990981 500 244 20 236 +167.53 +/- 21.84
50552 ncm-et-15 2018-08-20 19:09 01:18:16 1981851 500 229 17 254 +157.24 +/- 20.78
50551 ncm-et-3 2018-08-20 19:07 01:15:37 1990665 500 240 9 251 +173.67 +/- 20.69
50550 ncm-et-13 2018-08-20 17:54 01:15:19 1989558 500 229 12 259 +161.49 +/- 20.37
50549 ncm-et-10 2018-08-20 17:53 01:15:20 1980755 500 241 10 249 +173.67 +/- 20.84
50548 ncm-et-9 2018-08-20 17:53 01:16:17 1990665 500 248 9 243 +180.8 +/- 21.14
50547 ncm-et-4 2018-08-20 17:52 01:15:37 1991299 500 253 16 231 +179.0 +/- 22.04
50546 ncm-et-15 2018-08-20 17:52 01:15:50 1979347 500 265 7 228 +198.34 +/- 21.93
50545 ncm-et-3 2018-08-20 17:51 01:15:12 1988460 500 246 15 239 +173.67 +/- 21.55
50544 ncm-et-4 2018-08-20 16:36 01:15:41 1990348 500 252 19 229 +175.44 +/- 22.22
50543 ncm-et-10 2018-08-20 16:36 01:16:37 1981224 500 250 15 235 +177.22 +/- 21.78
50542 ncm-et-15 2018-08-20 16:35 01:15:29 1982164 500 261 8 231 +193.64 +/- 21.79
50541 ncm-et-13 2018-08-20 16:35 01:17:26 1921845 500 232 12 256 +164.07 +/- 20.53
50540 ncm-et-9 2018-08-20 16:35 01:16:34 1987193 500 223 21 256 +148.85 +/- 20.78
50539 ncm-et-3 2018-08-20 16:35 01:14:38 1988769 500 246 11 243 +177.22 +/- 21.21
33746 ncm-et-5 2018-05-21 17:27 00:39:31 2005290 269 133 10 126 +171.57 +/- 29.93
33745 ncm-et-12 2018-05-21 17:27 00:39:52 1950871 253 123 7 123 +172.12 +/- 29.99
33744 ncm-et-9 2018-05-21 17:27 00:39:52 2026393 271 127 12 132 +157.39 +/- 29.21
33743 ncm-et-14 2018-05-21 17:26 00:39:46 2018233 269 140 6 123 +189.99 +/- 30.1
33742 ncm-et-16 2018-05-21 17:26 00:40:06 2006189 260 113 7 140 +150.38 +/- 27.61
33741 ncm-et-13 2018-05-21 17:26 00:40:25 2027374 268 128 2 138 +177.28 +/- 27.53
33740 ncm-et-7 2018-05-21 17:26 00:40:42 2014261 266 134 3 129 +187.38 +/- 28.89
33739 ncm-et-11 2018-05-21 17:25 00:41:13 2019045 271 150 3 118 +211.1 +/- 30.62
33738 ncm-et-3 2018-05-21 17:25 00:41:05 2024917 265 126 14 125 +156.66 +/- 30.23
33737 ncm-et-10 2018-05-21 17:25 00:41:25 2020186 276 127 10 139 +157.2 +/- 28.21
33736 ncm-et-6 2018-05-21 17:25 00:41:31 2024754 276 131 7 138 +168.09 +/- 28.14
33735 ncm-et-4 2018-05-21 17:24 00:41:59 2015906 281 120 8 153 +146.6 +/- 26.38
33734 ncm-et-15 2018-05-21 17:24 00:42:22 2017746 275 126 8 141 +159.4 +/- 27.8
33733 ncm-et-13 2018-05-21 16:09 01:15:35 2024917 500 241 14 245 +170.15 +/- 21.19
33732 ncm-et-10 2018-05-21 16:09 01:14:35 2018234 500 239 7 254 +174.55 +/- 20.45
33731 ncm-et-14 2018-05-21 16:09 01:15:59 2021008 500 245 11 244 +176.33 +/- 21.15
33730 ncm-et-9 2018-05-21 16:09 01:16:11 2024754 500 234 8 258 +169.27 +/- 20.28
33729 ncm-et-16 2018-05-21 16:09 01:15:56 2016447 500 237 10 253 +170.15 +/- 20.62
33728 ncm-et-7 2018-05-21 16:09 01:15:18 2002056 500 240 10 250 +172.78 +/- 20.78
33727 ncm-et-12 2018-05-21 16:09 01:16:16 2018720 500 254 19 227 +177.22 +/- 22.34
33726 ncm-et-11 2018-05-21 16:09 01:15:01 2015312 500 241 14 245 +170.15 +/- 21.19
33725 ncm-et-5 2018-05-21 16:09 01:16:39 2025408 500 229 9 262 +164.07 +/- 20.1
33724 ncm-et-6 2018-05-21 16:09 01:14:24 2025408 500 236 8 256 +171.02 +/- 20.39
33723 ncm-et-4 2018-05-21 16:09 01:14:14 2023283 500 254 13 233 +182.61 +/- 21.84
33722 ncm-et-15 2018-05-21 16:09 01:13:56 2017583 500 244 12 244 +174.55 +/- 21.18
33721 ncm-et-3 2018-05-21 16:09 01:15:02 2024590 500 251 12 237 +180.8 +/- 21.58

Commit

Commit ID fd4585ef077085f643e15e5854a7b1f865c3bb90
Author Stéphane Nicolet
Date 2018-05-21 07:37:44 UTC
Simplifying away the progressKey Simplifying away all the progressKey stuff gives exactly the same bench, without any speed impact. Tested for speed against master with two benches at depth 22 ran in parallel: **testedpatch** Total time (ms) : 92350 Nodes searched : 178962949 Nodes/second : 1937877 **master** Total time (ms) : 92358 Nodes searched : 178962949 Nodes/second : 1937709 We also tested the patch at STC for no-regression with [-3, 1] bounds: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 57299 W: 11529 L: 11474 D: 34296 http://tests.stockfishchess.org/tests/view/5b015a1c0ebc5914abc126e5 Closes https://github.com/official-stockfish/Stockfish/pull/1603 No functional change.
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