Dev Builds » 20180307-2151

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 06:03:33 2002287 2386 1049 65 1272 +152.35 +/- 9.15
ncm-et-4 06:03:48 2001284 2399 1079 83 1237 +153.51 +/- 9.39
ncm-et-5 01:50:34 2003508 738 332 25 381 +153.86 +/- 16.92
ncm-et-6 01:47:04 2026636 718 324 21 373 +156.39 +/- 17.02
ncm-et-7 01:47:50 2005588 705 309 15 381 +154.29 +/- 16.61
ncm-et-8 01:46:59 2007509 700 299 22 379 +145.42 +/- 16.79
ncm-et-9 06:04:29 2000955 2389 1038 68 1283 +149.69 +/- 9.11
ncm-et-10 06:02:57 1994005 2389 1082 94 1213 +152.84 +/- 9.53
ncm-et-11 01:46:29 1973989 680 316 24 340 +159.53 +/- 18.01
ncm-et-12 01:48:43 2015288 727 354 16 357 +174.96 +/- 17.46
ncm-et-13 06:03:34 1974135 2345 1037 68 1240 +152.69 +/- 9.3
ncm-et-14 01:48:31 2019858 725 322 26 377 +150.63 +/- 17.01
ncm-et-15 06:05:18 1993082 2394 1069 68 1257 +154.76 +/- 9.24
ncm-et-16 01:48:26 1966377 705 321 29 355 +153.1 +/- 17.67
20000 8931 624 10445 +153.59 +/- 3.22

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
52818 ncm-et-13 2018-09-07 16:00 00:19:03 1971478 119 50 3 66 +145.11 +/- 40.05
52817 ncm-et-15 2018-09-07 15:52 00:26:43 1982478 172 75 7 90 +145.27 +/- 35.01
52816 ncm-et-9 2018-09-07 15:52 00:26:38 1988139 172 78 6 88 +154.96 +/- 35.42
52815 ncm-et-3 2018-09-07 15:52 00:26:56 1989875 176 90 6 80 +180.47 +/- 37.71
52814 ncm-et-10 2018-09-07 15:51 00:27:53 1982009 178 77 3 98 +153.75 +/- 32.6
52813 ncm-et-4 2018-09-07 15:51 00:27:58 1989242 183 85 5 93 +162.85 +/- 34.3
52812 ncm-et-13 2018-09-07 14:37 01:21:53 1879602 500 229 14 257 +159.78 +/- 20.54
52811 ncm-et-3 2018-09-07 14:36 01:14:51 1989876 500 232 12 256 +164.07 +/- 20.53
52810 ncm-et-10 2018-09-07 14:35 01:14:23 1980911 500 219 22 259 +144.72 +/- 20.64
52809 ncm-et-9 2018-09-07 14:35 01:16:10 1989085 500 222 15 263 +153.02 +/- 20.25
52808 ncm-et-4 2018-09-07 14:34 01:15:09 1990193 500 224 14 262 +155.54 +/- 20.27
52807 ncm-et-15 2018-09-07 14:34 01:16:42 1979196 500 231 12 257 +163.21 +/- 20.47
52806 ncm-et-13 2018-09-07 13:19 01:16:59 1982639 500 212 14 274 +145.54 +/- 19.65
52805 ncm-et-3 2018-09-07 13:18 01:16:38 1990348 500 215 10 275 +151.35 +/- 19.47
52804 ncm-et-15 2018-09-07 13:17 01:15:51 1980598 500 236 16 248 +164.07 +/- 21.08
52803 ncm-et-10 2018-09-07 13:17 01:17:00 1979035 500 224 24 252 +147.19 +/- 21.05
52802 ncm-et-9 2018-09-07 13:17 01:16:52 1988138 500 211 17 272 +142.26 +/- 19.85
52801 ncm-et-4 2018-09-07 13:17 01:16:50 1990507 500 214 21 265 +141.44 +/- 20.31
52800 ncm-et-3 2018-09-07 12:00 01:17:17 1990190 500 207 22 271 +134.95 +/- 20.03
52799 ncm-et-10 2018-09-07 12:00 01:16:22 1981538 500 223 15 262 +153.86 +/- 20.3
52798 ncm-et-4 2018-09-07 12:00 01:15:49 1989402 500 220 22 258 +145.54 +/- 20.7
52797 ncm-et-13 2018-09-07 12:00 01:18:01 1963384 500 220 18 262 +148.85 +/- 20.39
52796 ncm-et-15 2018-09-07 12:00 01:16:46 1981540 500 204 12 284 +140.62 +/- 19.08
52795 ncm-et-9 2018-09-07 12:00 01:16:12 1989876 500 202 15 283 +136.56 +/- 19.23
6026 ncm-et-11 2018-03-08 00:04 00:27:43 1995699 180 75 6 99 +140.35 +/- 32.9
6025 ncm-et-8 2018-03-08 00:01 00:30:54 1992388 200 86 10 104 +138.99 +/- 32.74
6024 ncm-et-10 2018-03-08 00:00 00:31:12 2018722 211 86 7 118 +136.73 +/- 30.0
6023 ncm-et-7 2018-03-08 00:00 00:31:54 2020673 205 96 4 105 +167.87 +/- 32.02
6022 ncm-et-6 2018-03-08 00:00 00:32:05 2026882 218 101 5 112 +164.23 +/- 31.07
6021 ncm-et-3 2018-03-07 23:59 00:32:08 2026718 210 82 5 123 +133.61 +/- 28.81
6020 ncm-et-9 2018-03-07 23:59 00:32:42 2027374 217 88 2 127 +145.67 +/- 27.93
6019 ncm-et-4 2018-03-07 23:59 00:32:59 2022957 216 98 4 114 +162.0 +/- 30.52
6018 ncm-et-16 2018-03-07 23:58 00:33:08 1910941 205 88 7 110 +145.18 +/- 31.37
6017 ncm-et-14 2018-03-07 23:58 00:33:05 2020021 225 82 5 138 +123.9 +/- 26.77
6016 ncm-et-13 2018-03-07 23:58 00:33:42 2023609 226 93 5 128 +142.82 +/- 28.45
6015 ncm-et-15 2018-03-07 23:58 00:33:43 2017907 222 104 6 112 +164.69 +/- 31.26
6014 ncm-et-12 2018-03-07 23:57 00:34:24 2010067 227 117 5 105 +187.8 +/- 32.56
6013 ncm-et-5 2018-03-07 23:56 00:36:09 2022141 238 109 7 122 +159.18 +/- 29.91
6012 ncm-et-11 2018-03-07 22:44 01:18:46 1952279 500 241 18 241 +166.66 +/- 21.52
6011 ncm-et-8 2018-03-07 22:44 01:16:05 2022630 500 213 12 275 +148.02 +/- 19.54
6010 ncm-et-6 2018-03-07 22:44 01:14:59 2026390 500 223 16 261 +153.02 +/- 20.39
6009 ncm-et-10 2018-03-07 22:43 01:16:07 2021819 500 253 23 224 +172.78 +/- 22.59
6008 ncm-et-13 2018-03-07 22:43 01:13:56 2024100 500 233 14 253 +163.21 +/- 20.75
6007 ncm-et-3 2018-03-07 22:43 01:15:43 2026718 500 223 10 267 +158.08 +/- 19.88
6006 ncm-et-7 2018-03-07 22:43 01:15:56 1990503 500 213 11 276 +148.85 +/- 19.45
6005 ncm-et-4 2018-03-07 22:43 01:15:03 2025408 500 238 17 245 +164.93 +/- 21.27
6004 ncm-et-16 2018-03-07 22:42 01:15:18 2021814 500 233 22 245 +156.39 +/- 21.39
6003 ncm-et-14 2018-03-07 22:42 01:15:26 2019696 500 240 21 239 +163.21 +/- 21.7
6002 ncm-et-12 2018-03-07 22:42 01:14:19 2020510 500 237 11 252 +169.27 +/- 20.71
6001 ncm-et-9 2018-03-07 22:42 01:15:55 2023121 500 237 13 250 +167.53 +/- 20.88
6000 ncm-et-15 2018-03-07 22:41 01:15:33 2016773 500 219 15 266 +150.51 +/- 20.1
5999 ncm-et-5 2018-03-07 22:40 01:14:25 1984875 500 223 18 259 +151.35 +/- 20.55

Commit

Commit ID 82697f1193cc8c99c99c282361a3ada25c758243
Author IIvec
Date 2018-03-07 21:51:31 UTC
Simplification: use Arctan for the optimism S-curve This was an idea of Gontran Lemaire (gonlem), but the graphs he published did not seem accurate to me. I did my own graphs, got my own constants and here is the result: STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 42179 W: 8704 L: 8622 D: 24853 http://tests.stockfishchess.org/tests/view/5a9db6270ebc590297cb611b LTC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 17737 W: 2702 L: 2577 D: 12458 http://tests.stockfishchess.org/tests/view/5a9eb5b20ebc590297cb61b2 Note: we are now back to 70% draw rate in selfplay mode! Bench: 5544908
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