Dev Builds » 20180508-0843

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 06:03:09 2001630 2384 1090 82 1212 +156.73 +/- 9.5
ncm-et-4 06:02:42 1993512 2400 1169 70 1161 +171.87 +/- 9.74
ncm-et-5 01:47:33 2022875 728 344 16 368 +168.64 +/- 17.12
ncm-et-6 01:47:34 2025981 715 322 21 372 +155.96 +/- 17.04
ncm-et-7 01:47:18 1999071 708 318 27 363 +151.77 +/- 17.4
ncm-et-8 01:47:09 2007124 704 318 23 363 +155.14 +/- 17.32
ncm-et-9 06:03:05 2000667 2400 1102 69 1229 +159.96 +/- 9.39
ncm-et-10 06:03:29 1982645 2375 1116 76 1183 +163.16 +/- 9.63
ncm-et-11 01:47:38 2015638 716 342 16 358 +170.72 +/- 17.39
ncm-et-12 01:47:24 2016246 706 325 21 360 +160.04 +/- 17.39
ncm-et-13 06:03:14 1969670 2340 1046 78 1216 +152.88 +/- 9.45
ncm-et-14 01:47:31 2020025 713 303 21 389 +145.34 +/- 16.52
ncm-et-15 06:03:19 1994046 2404 1100 63 1241 +160.37 +/- 9.31
ncm-et-16 01:47:27 1987906 707 337 16 354 +170.16 +/- 17.49
20000 9232 599 10169 +160.49 +/- 3.27

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
50868 ncm-et-13 2018-08-23 05:01 00:18:05 1936094 113 50 7 56 +139.21 +/- 45.29
50867 ncm-et-10 2018-08-23 04:53 00:25:58 1978410 163 71 10 82 +136.66 +/- 37.25
50866 ncm-et-3 2018-08-23 04:52 00:26:37 1987981 176 79 4 93 +158.14 +/- 33.94
50865 ncm-et-15 2018-08-23 04:52 00:27:00 1982321 179 91 3 85 +186.99 +/- 35.95
50864 ncm-et-9 2018-08-23 04:51 00:27:47 1988613 178 79 4 95 +156.11 +/- 33.51
50863 ncm-et-4 2018-08-23 04:50 00:28:07 1988612 191 95 7 89 +173.11 +/- 35.69
50862 ncm-et-13 2018-08-23 03:40 01:19:04 1955552 500 213 22 265 +139.81 +/- 20.33
50861 ncm-et-15 2018-08-23 03:35 01:15:29 1981225 500 219 11 270 +153.86 +/- 19.76
50860 ncm-et-10 2018-08-23 03:35 01:16:31 1980441 500 220 20 260 +147.19 +/- 20.54
50859 ncm-et-3 2018-08-23 03:34 01:16:37 1989087 500 242 17 241 +168.4 +/- 21.49
50858 ncm-et-4 2018-08-23 03:34 01:15:09 1989246 500 242 20 238 +165.8 +/- 21.73
50857 ncm-et-9 2018-08-23 03:33 01:16:17 1988296 500 242 13 245 +171.9 +/- 21.16
50856 ncm-et-10 2018-08-23 02:18 01:15:28 1980441 500 234 10 256 +167.53 +/- 20.46
50855 ncm-et-15 2018-08-23 02:17 01:16:39 1984518 500 237 13 250 +167.53 +/- 20.88
50854 ncm-et-4 2018-08-23 02:17 01:15:57 1990823 500 247 16 237 +173.67 +/- 21.69
50853 ncm-et-3 2018-08-23 02:17 01:16:10 1990035 500 232 14 254 +162.35 +/- 20.7
50852 ncm-et-13 2018-08-23 02:17 01:22:24 1883750 500 217 10 273 +153.02 +/- 19.57
50851 ncm-et-9 2018-08-23 02:16 01:16:22 1988613 500 227 14 259 +158.08 +/- 20.43
50850 ncm-et-4 2018-08-23 01:00 01:16:16 1987665 500 235 11 254 +167.53 +/- 20.6
50849 ncm-et-13 2018-08-23 01:00 01:16:07 1990665 500 242 18 240 +167.53 +/- 21.57
50848 ncm-et-3 2018-08-23 01:00 01:16:22 1989245 500 223 22 255 +148.02 +/- 20.85
50847 ncm-et-9 2018-08-23 00:59 01:15:28 1987665 500 234 17 249 +161.49 +/- 21.05
50846 ncm-et-15 2018-08-23 00:59 01:16:50 1981694 500 244 13 243 +173.67 +/- 21.27
50845 ncm-et-10 2018-08-23 00:59 01:17:55 1916367 500 236 13 251 +166.66 +/- 20.83
27738 ncm-et-8 2018-05-08 19:41 00:30:53 2021492 204 98 9 97 +162.47 +/- 34.21
27737 ncm-et-4 2018-05-08 19:41 00:30:55 2010180 209 104 3 102 +183.18 +/- 32.59
27736 ncm-et-3 2018-05-08 19:41 00:31:12 2026718 208 95 6 107 +158.88 +/- 31.93
27735 ncm-et-7 2018-05-08 19:41 00:31:19 1973714 208 104 6 98 +177.73 +/- 33.79
27734 ncm-et-10 2018-05-08 19:40 00:31:54 2022630 212 99 10 103 +155.46 +/- 33.16
27733 ncm-et-12 2018-05-08 19:40 00:32:05 2020837 206 96 10 100 +154.48 +/- 33.68
27732 ncm-et-11 2018-05-08 19:40 00:32:13 2016933 216 102 4 110 +170.02 +/- 31.28
27731 ncm-et-14 2018-05-08 19:40 00:32:20 2022306 213 91 3 119 +152.66 +/- 29.37
27730 ncm-et-16 2018-05-08 19:40 00:32:15 1956278 207 94 2 111 +165.99 +/- 30.56
27729 ncm-et-6 2018-05-08 19:39 00:32:41 2026390 215 95 7 113 +151.06 +/- 31.03
27728 ncm-et-15 2018-05-08 19:39 00:33:02 2019045 225 84 6 135 +125.65 +/- 27.37
27727 ncm-et-9 2018-05-08 19:39 00:32:59 2026391 222 106 6 110 +168.6 +/- 31.63
27726 ncm-et-5 2018-05-08 19:39 00:33:17 2023936 228 121 4 103 +197.0 +/- 32.85
27725 ncm-et-13 2018-05-08 19:38 00:34:10 2026718 227 107 9 111 +160.52 +/- 31.79
27724 ncm-et-8 2018-05-08 18:24 01:16:16 1992757 500 220 14 266 +152.18 +/- 20.07
27723 ncm-et-9 2018-05-08 18:24 01:14:12 2024427 500 214 15 271 +146.36 +/- 19.84
27722 ncm-et-15 2018-05-08 18:24 01:14:19 2015475 500 225 17 258 +153.86 +/- 20.57
27721 ncm-et-4 2018-05-08 18:24 01:16:18 1994547 500 246 13 241 +175.44 +/- 21.38
27720 ncm-et-3 2018-05-08 18:24 01:16:11 2026718 500 219 19 262 +147.19 +/- 20.41
27719 ncm-et-7 2018-05-08 18:24 01:15:59 2024429 500 214 21 265 +141.44 +/- 20.31
27718 ncm-et-12 2018-05-08 18:24 01:15:19 2011656 500 229 11 260 +162.35 +/- 20.28
27717 ncm-et-14 2018-05-08 18:24 01:15:11 2017745 500 212 18 270 +142.26 +/- 19.98
27716 ncm-et-16 2018-05-08 18:24 01:15:12 2019534 500 243 14 243 +171.9 +/- 21.3
27715 ncm-et-5 2018-05-08 18:24 01:14:16 2021814 500 223 12 265 +156.39 +/- 20.05
27714 ncm-et-10 2018-05-08 18:24 01:15:43 2017586 500 256 13 231 +184.42 +/- 21.95
27713 ncm-et-11 2018-05-08 18:24 01:15:25 2014343 500 240 12 248 +171.02 +/- 20.96
27712 ncm-et-6 2018-05-08 18:24 01:14:53 2025572 500 227 14 259 +158.08 +/- 20.43
27711 ncm-et-13 2018-05-08 18:24 01:13:24 2025245 500 217 12 271 +151.35 +/- 19.74

Commit

Commit ID 8d1625d6df6d9918ca85cd3e169a06e3749c2f67
Author Joost VandeVondele
Date 2018-05-08 08:43:56 UTC
Remove skipEarlyPruning argument to search() Remove nine boolean arguments and the corresponding skipEarlyPruning variable. Instead, skip early pruning only when there is an excluded move, and try null move pruning only if the previous move was not itself a null move. passed STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 33623 W: 6853 L: 6755 D: 20015 http://tests.stockfishchess.org/tests/view/5aef462a0ebc5902a409a10e passed LTC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 39474 W: 5882 L: 5789 D: 27803 http://tests.stockfishchess.org/tests/view/5aefd4b80ebc5902a409a164 Closes https://github.com/official-stockfish/Stockfish/pull/1585 Bench: 4953556
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