Dev Builds » 20180327-1551

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 06:26:54 2002606 2561 1159 90 1312 +154.46 +/- 9.13
ncm-et-4 06:28:40 1995542 2553 1145 72 1336 +155.67 +/- 8.97
ncm-et-5 02:14:54 2021896 904 403 30 471 +152.44 +/- 15.18
ncm-et-6 01:02:16 2026882 412 178 15 219 +145.39 +/- 22.26
ncm-et-7 02:15:05 2012166 889 398 26 465 +154.89 +/- 15.23
ncm-et-8 02:12:56 1947486 848 395 28 425 +160.97 +/- 16.08
ncm-et-9 05:16:46 1995270 2081 936 71 1074 +153.72 +/- 10.07
ncm-et-10 05:19:36 1989523 2089 937 73 1079 +152.85 +/- 10.05
ncm-et-11 01:02:01 2016284 422 195 12 215 +161.34 +/- 22.5
ncm-et-12 02:14:49 1975555 885 369 20 496 +144.86 +/- 14.46
ncm-et-13 06:26:16 1999816 2552 1147 83 1322 +154.25 +/- 9.06
ncm-et-14 01:00:02 2019045 398 165 15 218 +137.73 +/- 22.2
ncm-et-15 06:32:34 1987867 2563 1152 76 1335 +155.47 +/- 8.99
ncm-et-16 02:12:02 1975221 843 377 30 436 +152.03 +/- 15.82
20000 8956 641 10403 +153.76 +/- 3.23

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
52062 ncm-et-4 2018-09-01 21:00 00:25:25 1984681 162 76 6 80 +160.68 +/- 37.41
52061 ncm-et-10 2018-09-01 21:00 00:25:47 1981070 166 75 8 83 +148.69 +/- 36.86
52060 ncm-et-15 2018-09-01 21:00 00:25:49 1981703 170 74 4 92 +152.08 +/- 33.99
52059 ncm-et-9 2018-09-01 20:59 00:25:41 1988454 170 77 2 91 +164.58 +/- 33.87
52058 ncm-et-13 2018-09-01 20:59 00:26:03 1988297 165 77 2 86 +170.39 +/- 35.05
52057 ncm-et-3 2018-09-01 20:59 00:26:01 1990823 167 75 6 86 +152.67 +/- 35.82
51972 ncm-et-15 2018-09-01 02:12 01:16:15 1981538 500 218 17 265 +148.02 +/- 20.21
51971 ncm-et-10 2018-09-01 02:11 01:15:43 1981224 500 223 16 261 +153.02 +/- 20.39
51970 ncm-et-9 2018-09-01 02:09 01:16:46 1987508 500 235 18 247 +161.49 +/- 21.19
51969 ncm-et-3 2018-09-01 02:08 01:14:33 1992247 500 233 16 251 +161.49 +/- 20.92
51968 ncm-et-13 2018-09-01 02:07 01:15:44 1985464 500 228 19 253 +154.7 +/- 20.89
51967 ncm-et-4 2018-09-01 02:06 01:17:43 1989874 500 216 15 269 +148.02 +/- 19.94
51966 ncm-et-10 2018-09-01 00:53 01:17:26 1983262 500 217 17 266 +147.19 +/- 20.15
51965 ncm-et-9 2018-09-01 00:53 01:15:35 1986878 500 208 16 276 +140.62 +/- 19.61
51964 ncm-et-15 2018-09-01 00:52 01:18:46 1948104 500 227 14 259 +158.08 +/- 20.43
51963 ncm-et-3 2018-09-01 00:51 01:16:11 1989717 500 239 15 246 +167.53 +/- 21.16
51962 ncm-et-4 2018-09-01 00:50 01:14:50 1990032 500 220 14 266 +152.18 +/- 20.07
51961 ncm-et-13 2018-09-01 00:50 01:15:34 1986249 500 218 11 271 +153.02 +/- 19.71
51960 ncm-et-15 2018-08-31 23:35 01:16:31 1982477 500 232 17 251 +159.78 +/- 20.95
51959 ncm-et-3 2018-08-31 23:35 01:14:49 1989085 500 219 17 264 +148.85 +/- 20.26
51958 ncm-et-9 2018-08-31 23:35 01:17:10 1989085 500 224 15 261 +154.7 +/- 20.36
51957 ncm-et-4 2018-08-31 23:35 01:14:54 1989403 500 234 8 258 +169.27 +/- 20.28
51956 ncm-et-10 2018-08-31 23:34 01:17:26 1981226 500 224 25 251 +146.36 +/- 21.13
51955 ncm-et-13 2018-08-31 23:34 01:14:54 1990033 500 227 17 256 +155.54 +/- 20.68
12665 ncm-et-16 2018-03-27 17:51 00:52:09 2004667 343 155 8 180 +159.18 +/- 24.38
12664 ncm-et-12 2018-03-27 17:46 00:56:56 2019860 385 160 13 212 +139.73 +/- 22.43
12663 ncm-et-8 2018-03-27 17:46 00:57:21 1877225 348 164 13 171 +161.45 +/- 25.52
12662 ncm-et-13 2018-03-27 17:44 00:58:34 2023447 387 161 14 212 +138.93 +/- 22.49
12661 ncm-et-15 2018-03-27 17:44 00:58:44 2014664 393 174 13 206 +151.21 +/- 22.96
12660 ncm-et-3 2018-03-27 17:44 00:59:09 2026390 394 184 17 193 +157.17 +/- 24.1
12659 ncm-et-4 2018-03-27 17:43 00:59:34 1994513 391 177 12 202 +156.39 +/- 23.2
12658 ncm-et-5 2018-03-27 17:43 00:59:56 2022141 404 182 15 207 +152.76 +/- 23.05
12657 ncm-et-7 2018-03-27 17:43 01:00:07 1998761 389 183 16 190 +159.49 +/- 24.28
12656 ncm-et-14 2018-03-27 17:42 01:00:02 2019045 398 165 15 218 +137.73 +/- 22.2
12655 ncm-et-9 2018-03-27 17:41 01:01:34 2024427 411 192 20 199 +154.91 +/- 23.82
12654 ncm-et-11 2018-03-27 17:41 01:02:01 2016284 422 195 12 215 +161.34 +/- 22.5
12653 ncm-et-6 2018-03-27 17:41 01:02:16 2026882 412 178 15 219 +145.39 +/- 22.26
12652 ncm-et-10 2018-03-27 17:40 01:03:14 2020837 423 198 7 218 +169.07 +/- 22.08
12651 ncm-et-16 2018-03-27 16:30 01:19:53 1945775 500 222 22 256 +147.19 +/- 20.8
12650 ncm-et-8 2018-03-27 16:29 01:15:35 2017747 500 231 15 254 +160.64 +/- 20.73
12649 ncm-et-13 2018-03-27 16:28 01:15:27 2025408 500 236 20 244 +160.64 +/- 21.4
12648 ncm-et-12 2018-03-27 16:27 01:17:53 1931250 500 209 7 284 +148.85 +/- 18.9
12647 ncm-et-5 2018-03-27 16:27 01:14:58 2021651 500 221 15 264 +152.18 +/- 20.2
12646 ncm-et-15 2018-03-27 16:27 01:16:29 2018720 500 227 11 262 +160.64 +/- 20.18
12645 ncm-et-7 2018-03-27 16:27 01:14:58 2025572 500 215 10 275 +151.35 +/- 19.47
12644 ncm-et-3 2018-03-27 16:26 01:16:11 2027375 500 209 19 272 +138.99 +/- 19.9
12643 ncm-et-4 2018-03-27 16:26 01:16:14 2024753 500 222 17 261 +151.35 +/- 20.41

Commit

Commit ID 5ce630584ca243ad0f4739bb7615702f36b9f818
Author Stéphane Nicolet
Date 2018-03-27 15:51:11 UTC
Tweak queen values for midgame and endgame Queen midgame value: -1% Queen endgame value: +1% This patch failed STC, but was exceptionally tested at LTC, where it passed two independant SPRT tests with bounds [0..4]: LTC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 20651 W: 3191 L: 2980 D: 14480 http://tests.stockfishchess.org/tests/view/5ab73faa0ebc5902932cbdca LTC: LLR: 2.96 (-2.94,2.94) [0.00,4.00] Total: 89111 W: 13647 L: 13233 D: 62231 http://tests.stockfishchess.org/tests/view/5ab8c0e50ebc5902932cbeae See https://github.com/official-stockfish/Stockfish/pull/1511 for the discussion of this patch. How to continue from there? • there is probably some more Elo gains to get from the tuning of the queen value. Bench: 5460229
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