Dev Builds » 20190201-1434

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 08:35:31 1967122 3330 1909 70 1351 +215.97 +/- 9.14
ncm-et-4 08:35:34 1962464 3308 1931 68 1309 +221.48 +/- 9.3
ncm-et-9 08:35:08 1976990 3322 1921 76 1325 +217.54 +/- 9.25
ncm-et-10 08:35:20 1966417 3350 1948 75 1327 +219.42 +/- 9.24
ncm-et-13 08:34:55 1979153 3333 1934 88 1311 +216.77 +/- 9.32
ncm-et-15 08:35:23 1976180 3357 1905 66 1386 +213.76 +/- 9.0
20000 11548 443 8009 +217.47 +/- 3.76

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
68462 ncm-et-4 2019-02-02 09:53 00:49:15 1939148 308 170 11 127 +198.45 +/- 30.11
68461 ncm-et-9 2019-02-02 09:51 00:50:17 1972660 322 178 8 136 +204.05 +/- 28.89
68460 ncm-et-3 2019-02-02 09:50 00:51:53 1964766 330 185 7 138 +209.61 +/- 28.63
68459 ncm-et-13 2019-02-02 09:50 00:52:04 1976544 333 188 8 137 +210.17 +/- 28.83
68458 ncm-et-10 2019-02-02 09:48 00:54:07 1978744 350 205 5 140 +225.71 +/- 28.39
68457 ncm-et-15 2019-02-02 09:47 00:54:41 1972498 357 219 6 132 +239.0 +/- 29.45
68456 ncm-et-4 2019-02-02 08:35 01:16:54 1976342 500 308 11 181 +237.58 +/- 25.22
68455 ncm-et-9 2019-02-02 08:33 01:16:58 1974835 500 281 13 206 +207.95 +/- 23.5
68454 ncm-et-13 2019-02-02 08:32 01:16:28 1983451 500 289 17 194 +211.87 +/- 24.39
68453 ncm-et-3 2019-02-02 08:32 01:17:27 1963840 500 292 8 200 +223.94 +/- 23.75
68452 ncm-et-10 2019-02-02 08:30 01:16:47 1968777 500 286 10 204 +215.85 +/- 23.55
68451 ncm-et-15 2019-02-02 08:29 01:16:54 1973751 500 281 11 208 +209.91 +/- 23.31
68450 ncm-et-4 2019-02-02 07:17 01:16:45 1983650 500 303 10 187 +233.32 +/- 24.74
68449 ncm-et-9 2019-02-02 07:15 01:16:55 1990377 500 302 11 187 +231.21 +/- 24.77
68448 ncm-et-13 2019-02-02 07:14 01:17:15 1969549 500 298 17 185 +220.88 +/- 25.03
68447 ncm-et-3 2019-02-02 07:13 01:17:27 1970823 500 277 12 211 +205.04 +/- 23.15
68446 ncm-et-10 2019-02-02 07:13 01:16:21 1962316 500 278 11 211 +206.98 +/- 23.12
68445 ncm-et-15 2019-02-02 07:11 01:16:50 1973891 500 285 8 207 +216.85 +/- 23.28
68444 ncm-et-4 2019-02-02 05:59 01:17:05 1970334 500 285 7 208 +217.85 +/- 23.18
68443 ncm-et-9 2019-02-02 05:58 01:16:51 1984789 500 287 12 201 +214.85 +/- 23.8
68442 ncm-et-15 2019-02-02 05:55 01:15:22 1992807 500 300 9 191 +231.21 +/- 24.42
68441 ncm-et-10 2019-02-02 05:55 01:16:41 1959241 500 297 15 188 +221.9 +/- 24.78
68440 ncm-et-13 2019-02-02 05:54 01:18:51 1978973 500 283 13 204 +209.91 +/- 23.63
68439 ncm-et-3 2019-02-02 05:53 01:18:42 1966768 500 289 13 198 +215.85 +/- 24.03
68438 ncm-et-4 2019-02-02 04:40 01:18:14 1962917 500 299 7 194 +232.26 +/- 24.13
68437 ncm-et-9 2019-02-02 04:38 01:18:17 1973115 500 292 15 193 +216.85 +/- 24.43
68436 ncm-et-15 2019-02-02 04:37 01:17:10 1972972 500 282 10 208 +211.87 +/- 23.28
68435 ncm-et-3 2019-02-02 04:37 01:15:41 1964772 500 287 12 201 +214.85 +/- 23.8
68434 ncm-et-13 2019-02-02 04:36 01:16:36 1991527 500 304 9 187 +235.45 +/- 24.71
68433 ncm-et-10 2019-02-02 04:36 01:17:32 1968746 500 307 13 180 +234.38 +/- 25.34
68432 ncm-et-4 2019-02-02 03:20 01:18:09 1964150 500 283 13 204 +209.91 +/- 23.63
68431 ncm-et-9 2019-02-02 03:19 01:17:54 1974217 500 288 12 200 +215.85 +/- 23.87
68430 ncm-et-10 2019-02-02 03:18 01:16:53 1966767 500 280 10 210 +209.91 +/- 23.15
68429 ncm-et-3 2019-02-02 03:18 01:17:09 1964917 500 284 10 206 +213.85 +/- 23.41
68428 ncm-et-13 2019-02-02 03:18 01:17:06 1977337 500 284 11 205 +212.86 +/- 23.51
68427 ncm-et-15 2019-02-02 03:18 01:17:29 1978410 500 257 15 228 +183.51 +/- 22.19
68426 ncm-et-13 2019-02-02 02:01 01:16:35 1976693 500 288 13 199 +214.85 +/- 23.97
68425 ncm-et-10 2019-02-02 02:00 01:16:59 1960329 500 295 11 194 +223.94 +/- 24.26
68424 ncm-et-9 2019-02-02 02:00 01:17:56 1968939 500 293 5 202 +228.08 +/- 23.5
68423 ncm-et-15 2019-02-02 02:00 01:16:57 1968935 500 281 7 212 +213.85 +/- 22.92
68422 ncm-et-4 2019-02-02 02:00 01:19:12 1940708 500 283 9 208 +213.85 +/- 23.25
68421 ncm-et-3 2019-02-02 02:00 01:17:12 1973972 500 295 8 197 +227.04 +/- 23.96

Commit

Commit ID ff97a9fdb936a73de774df062f35d454a4a9af00
Author Stéphane Nicolet
Date 2019-02-01 14:34:46 UTC
Tweak tropism weight in king danger There was a simplification attempt last week for the tropism term in king danger, which passed STC but failed LTC. This was an indirect sign that maybe the tropism factor was sightly untuned in current master, so we tried to change it from 1/4 to 5/16. STC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 28098 W: 6264 L: 5990 D: 15844 http://tests.stockfishchess.org/tests/view/5c518db60ebc593af5d4e306 LTC: LLR: 2.95 (-2.94,2.94) [0.00,3.50] Total: 103709 W: 17387 L: 16923 D: 69399 http://tests.stockfishchess.org/tests/view/5c52a5510ebc592fc7baea8b Bench: 4016000
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