Dev Builds » 20190825-0909

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 08:33:55 1972024 3356 2026 66 1264 +232.28 +/- 9.48
ncm-et-4 08:24:23 1963393 3262 1984 66 1212 +234.37 +/- 9.69
ncm-et-9 08:32:40 1972632 3328 2040 73 1215 +236.0 +/- 9.7
ncm-et-10 08:34:31 1968469 3333 1997 61 1275 +230.61 +/- 9.43
ncm-et-13 08:31:39 1975595 3362 2063 72 1227 +236.62 +/- 9.65
ncm-et-15 08:30:10 1976579 3359 2078 76 1205 +238.67 +/- 9.75
20000 12188 414 7398 +234.75 +/- 3.92

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
93896 ncm-et-4 2019-08-25 22:00 00:40:10 1963532 262 166 4 92 +250.95 +/- 35.42
93895 ncm-et-9 2019-08-25 21:51 00:49:48 1974207 328 211 5 112 +256.47 +/- 32.11
93894 ncm-et-10 2019-08-25 21:50 00:50:15 1970013 333 204 8 121 +234.69 +/- 30.92
93893 ncm-et-15 2019-08-25 21:46 00:54:28 1968789 359 234 8 117 +257.32 +/- 31.57
93892 ncm-et-3 2019-08-25 21:46 00:54:18 1976074 356 220 5 131 +242.97 +/- 29.52
93891 ncm-et-13 2019-08-25 21:44 00:56:36 1965687 362 222 8 132 +236.06 +/- 29.56
93890 ncm-et-4 2019-08-25 20:41 01:18:28 1962303 500 296 7 197 +229.12 +/- 23.92
93889 ncm-et-9 2019-08-25 20:33 01:17:10 1974376 500 305 15 180 +230.16 +/- 25.38
93888 ncm-et-10 2019-08-25 20:32 01:16:33 1970664 500 306 5 189 +241.91 +/- 24.42
93887 ncm-et-3 2019-08-25 20:29 01:15:50 1977629 500 306 9 185 +237.58 +/- 24.86
93886 ncm-et-15 2019-08-25 20:29 01:15:56 1980501 500 313 10 177 +244.1 +/- 25.51
93885 ncm-et-13 2019-08-25 20:27 01:16:12 1992926 500 314 9 177 +246.3 +/- 25.48
93884 ncm-et-4 2019-08-25 19:22 01:17:05 1964763 500 319 5 176 +256.44 +/- 25.42
93883 ncm-et-10 2019-08-25 19:15 01:16:46 1962624 500 314 16 170 +238.66 +/- 26.18
93882 ncm-et-9 2019-08-25 19:13 01:18:13 1966787 500 294 12 194 +221.9 +/- 24.29
93881 ncm-et-15 2019-08-25 19:13 01:15:22 1972349 500 314 15 171 +239.74 +/- 26.08
93880 ncm-et-3 2019-08-25 19:12 01:16:30 1964162 500 294 9 197 +224.97 +/- 23.99
93879 ncm-et-13 2019-08-25 19:11 01:15:00 1980359 500 300 8 192 +232.26 +/- 24.31
93878 ncm-et-4 2019-08-25 18:04 01:16:48 1975114 500 314 10 176 +245.2 +/- 25.59
93877 ncm-et-9 2019-08-25 17:56 01:15:58 1977389 500 316 11 173 +246.3 +/- 25.85
93876 ncm-et-10 2019-08-25 17:56 01:17:51 1963086 500 289 7 204 +221.9 +/- 23.44
93875 ncm-et-15 2019-08-25 17:55 01:16:31 1973276 500 303 12 185 +231.21 +/- 24.94
93874 ncm-et-13 2019-08-25 17:54 01:16:00 1972530 500 313 10 177 +244.1 +/- 25.51
93873 ncm-et-3 2019-08-25 17:53 01:17:27 1970797 500 322 6 172 +258.75 +/- 25.79
93872 ncm-et-4 2019-08-25 16:46 01:17:11 1965379 500 295 9 196 +226.0 +/- 24.06
93871 ncm-et-15 2019-08-25 16:39 01:15:06 1997486 500 291 11 198 +219.87 +/- 23.98
93870 ncm-et-9 2019-08-25 16:38 01:17:02 1970657 500 309 6 185 +244.1 +/- 24.76
93869 ncm-et-13 2019-08-25 16:38 01:15:00 1970641 500 310 13 177 +237.58 +/- 25.57
93868 ncm-et-10 2019-08-25 16:37 01:17:46 1987040 500 290 7 203 +222.92 +/- 23.51
93867 ncm-et-3 2019-08-25 16:35 01:16:38 1962303 500 299 12 189 +227.04 +/- 24.65
93866 ncm-et-4 2019-08-25 15:29 01:16:38 1963687 500 293 19 188 +213.85 +/- 24.84
93865 ncm-et-15 2019-08-25 15:21 01:16:41 1972676 500 315 10 175 +246.3 +/- 25.67
93864 ncm-et-9 2019-08-25 15:20 01:16:43 1977292 500 312 11 177 +241.91 +/- 25.53
93863 ncm-et-13 2019-08-25 15:19 01:16:59 1974056 500 306 12 182 +234.38 +/- 25.17
93862 ncm-et-10 2019-08-25 15:18 01:17:53 1962764 500 315 7 178 +249.64 +/- 25.34
93861 ncm-et-3 2019-08-25 15:17 01:17:36 1967243 500 292 13 195 +218.86 +/- 24.24
93860 ncm-et-4 2019-08-25 14:09 01:18:03 1948975 500 301 12 187 +229.12 +/- 24.79
93859 ncm-et-15 2019-08-25 14:04 01:16:06 1970979 500 308 10 182 +238.66 +/- 25.12
93858 ncm-et-13 2019-08-25 14:03 01:15:52 1972971 500 298 12 190 +226.0 +/- 24.57
93857 ncm-et-9 2019-08-25 14:02 01:17:46 1967716 500 293 13 194 +219.87 +/- 24.31
93856 ncm-et-3 2019-08-25 14:00 01:15:36 1985964 500 293 12 195 +220.88 +/- 24.22
93855 ncm-et-10 2019-08-25 13:59 01:17:27 1963098 500 279 11 210 +207.95 +/- 23.18

Commit

Commit ID 0e295fee25a41962d234c0833e1f7ca29e4c2189
Author VoyagerOne
Date 2019-08-25 09:09:08 UTC
NMP Tweaks Tweak again the null move pruning preconditions. STC: LLR: 2.96 (-2.94,2.94) [0.50,4.50] Total: 19675 W: 4430 L: 4169 D: 11076 http://tests.stockfishchess.org/tests/view/5d52bc0e0ebc5925cf108300 LTC: LLR: 2.95 (-2.94,2.94) [0.00,3.50] Total: 73895 W: 12496 L: 12114 D: 49285 http://tests.stockfishchess.org/tests/view/5d52dcbc0ebc5925cf108552 Closes https://github.com/official-stockfish/Stockfish/pull/2268 Bench: 3690065
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