Dev Builds » 20180611-0822

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 06:55:07 2005260 2698 1383 98 1217 +180.03 +/- 9.63
ncm-et-4 06:54:17 2004547 2697 1414 80 1203 +188.37 +/- 9.66
ncm-et-6 02:30:32 2023038 986 479 30 477 +170.75 +/- 15.22
ncm-et-7 02:34:07 2021447 997 479 34 484 +166.81 +/- 15.14
ncm-et-9 06:47:01 1998020 2639 1316 80 1243 +176.49 +/- 9.45
ncm-et-10 06:55:35 1980252 2662 1387 70 1205 +188.42 +/- 9.62
ncm-et-11 02:33:26 2025408 1000 487 28 485 +172.34 +/- 15.07
ncm-et-12 02:33:15 2004131 1000 491 39 470 +169.27 +/- 15.46
ncm-et-13 06:55:28 1992695 2668 1336 81 1251 +177.39 +/- 9.43
ncm-et-15 06:53:34 1987863 2653 1335 84 1234 +177.9 +/- 9.51
20000 10107 624 9269 +179.07 +/- 3.47

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
49932 ncm-et-13 2018-08-15 23:19 00:24:27 1988140 156 88 2 66 +215.49 +/- 41.29
49931 ncm-et-10 2018-08-15 23:19 00:24:38 1939021 154 72 2 80 +170.39 +/- 36.41
49930 ncm-et-15 2018-08-15 23:19 00:24:38 1980289 148 71 8 69 +157.95 +/- 40.88
49929 ncm-et-3 2018-08-15 23:16 00:28:14 1990507 185 105 8 72 +202.31 +/- 40.35
49928 ncm-et-9 2018-08-15 23:16 00:27:57 1989085 175 84 6 85 +166.54 +/- 36.3
49927 ncm-et-4 2018-08-15 23:16 00:28:09 1990981 182 86 8 88 +159.18 +/- 35.87
49926 ncm-et-13 2018-08-15 22:01 01:17:02 1988139 500 270 14 216 +196.45 +/- 22.88
49925 ncm-et-15 2018-08-15 21:59 01:18:51 1953116 500 244 18 238 +169.27 +/- 21.69
49924 ncm-et-10 2018-08-15 21:59 01:19:13 1939485 500 266 15 219 +191.78 +/- 22.72
49923 ncm-et-4 2018-08-15 21:58 01:16:20 1990192 500 252 14 234 +179.9 +/- 21.81
49922 ncm-et-9 2018-08-15 21:57 01:17:09 1987665 500 250 13 237 +179.0 +/- 21.61
49921 ncm-et-3 2018-08-15 21:57 01:17:47 1990034 500 265 19 216 +187.16 +/- 23.0
49920 ncm-et-13 2018-08-15 20:42 01:17:58 1986564 500 240 19 241 +164.93 +/- 21.54
49919 ncm-et-10 2018-08-15 20:42 01:16:20 1982792 500 274 18 208 +196.45 +/- 23.48
49918 ncm-et-3 2018-08-15 20:40 01:15:39 1990032 500 227 28 245 +146.36 +/- 21.5
49917 ncm-et-9 2018-08-15 20:40 01:16:50 1989086 500 253 12 235 +182.61 +/- 21.69
49916 ncm-et-4 2018-08-15 20:39 01:18:25 1989561 500 269 12 219 +197.4 +/- 22.64
49915 ncm-et-15 2018-08-15 20:38 01:19:35 1940738 500 253 16 231 +179.0 +/- 22.04
49914 ncm-et-3 2018-08-15 19:20 01:19:04 1990348 500 269 10 221 +199.29 +/- 22.46
49913 ncm-et-13 2018-08-15 19:20 01:21:16 1908657 500 237 13 250 +167.53 +/- 20.88
49912 ncm-et-10 2018-08-15 19:20 01:20:30 1940728 500 266 13 221 +193.64 +/- 22.55
49911 ncm-et-4 2018-08-15 19:20 01:17:39 1987983 500 266 16 218 +190.85 +/- 22.81
49910 ncm-et-15 2018-08-15 19:20 01:17:26 1983105 500 255 19 226 +178.11 +/- 22.4
49909 ncm-et-9 2018-08-15 19:20 01:18:33 1987825 500 244 23 233 +164.93 +/- 22.07
40448 ncm-et-15 2018-06-11 16:43 00:01:04 2017095 5 4 0 1 +381.35 +/- 516.06
40447 ncm-et-10 2018-06-11 16:43 00:01:20 2020347 8 5 1 2 +190.85 +/- 457.95
40446 ncm-et-13 2018-06-11 16:42 00:02:22 2025899 12 4 1 7 +88.74 +/- 131.95
40445 ncm-et-3 2018-06-11 16:42 00:02:22 2025572 13 7 0 6 +209.09 +/- 147.9
40444 ncm-et-4 2018-06-11 16:42 00:02:38 2025081 15 7 0 8 +175.69 +/- 119.58
40443 ncm-et-9 2018-06-11 15:35 01:09:42 2007414 464 240 13 211 +185.89 +/- 23.04
40442 ncm-et-6 2018-06-11 15:30 01:14:46 2023936 486 234 18 234 +165.99 +/- 21.85
40441 ncm-et-7 2018-06-11 15:28 01:16:23 2025409 497 228 19 250 +155.76 +/- 21.04
40440 ncm-et-11 2018-06-11 15:27 01:16:16 2025572 500 241 9 250 +174.55 +/- 20.75
40439 ncm-et-12 2018-06-11 15:26 01:16:23 2019859 500 251 19 230 +174.55 +/- 22.16
40438 ncm-et-15 2018-06-11 15:26 01:16:38 2018724 500 257 15 228 +183.51 +/- 22.19
40437 ncm-et-13 2018-06-11 15:25 01:15:43 2025572 500 250 20 230 +172.78 +/- 22.18
40436 ncm-et-4 2018-06-11 15:25 01:15:31 2024101 500 266 13 221 +193.64 +/- 22.55
40435 ncm-et-10 2018-06-11 15:25 01:16:59 2020836 500 242 13 245 +171.9 +/- 21.16
40434 ncm-et-3 2018-06-11 15:24 01:16:45 2026227 500 248 15 237 +175.44 +/- 21.67
40433 ncm-et-9 2018-06-11 14:17 01:16:50 2027046 500 245 13 242 +174.55 +/- 21.33
40432 ncm-et-6 2018-06-11 14:13 01:15:46 2022140 500 245 12 243 +175.44 +/- 21.24
40431 ncm-et-7 2018-06-11 14:09 01:17:44 2017485 500 251 15 234 +178.11 +/- 21.84
40430 ncm-et-15 2018-06-11 14:09 01:15:22 2021977 500 251 8 241 +184.42 +/- 21.21
40429 ncm-et-11 2018-06-11 14:09 01:17:10 2025245 500 246 19 235 +170.15 +/- 21.88
40428 ncm-et-4 2018-06-11 14:09 01:15:35 2023936 500 268 17 215 +191.78 +/- 23.02
40427 ncm-et-12 2018-06-11 14:08 01:16:52 1988404 500 240 20 240 +164.07 +/- 21.62
40426 ncm-et-3 2018-06-11 14:08 01:15:16 2024101 500 262 18 220 +185.33 +/- 22.73
40425 ncm-et-13 2018-06-11 14:08 01:16:40 2025899 500 247 12 241 +177.22 +/- 21.35
40424 ncm-et-10 2018-06-11 14:07 01:16:35 2018558 500 262 8 230 +194.57 +/- 21.85

Commit

Commit ID fc3af7c4fbeaa3c5b85424077829223f9d18184e
Author protonspring
Date 2018-06-11 08:22:55 UTC
Optimize an expression in endgame.cpp I believe using foward_file_bb() here is fewer instructions. a) Fewer instructions and probably more clear (debatable). b) Possible that a lookup is slower than a few local operations, but the forward_file_bb table is probably used often enough that it is always cached. Passed LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 21004 W: 4263 L: 4141 D: 12600 http://tests.stockfishchess.org/tests/view/5b1cad830ebc5902ab9c6239 Closes https://github.com/official-stockfish/Stockfish/pull/1644 No functional change.
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