Dev Builds » 20190923-0654

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 08:29:00 1972000 3327 1940 64 1323 +221.83 +/- 9.24
ncm-et-4 08:28:26 1971628 3331 2010 65 1256 +232.22 +/- 9.51
ncm-et-9 08:28:48 1969630 3333 1973 60 1300 +227.02 +/- 9.32
ncm-et-10 08:32:33 1962378 3342 2065 53 1224 +241.93 +/- 9.63
ncm-et-13 08:29:40 1976210 3332 1948 67 1317 +222.17 +/- 9.27
ncm-et-15 08:30:43 1973597 3335 1975 52 1308 +228.39 +/- 9.27
20000 11911 361 7728 +228.86 +/- 3.82

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
97414 ncm-et-10 2019-09-25 09:43 00:50:33 1960927 342 213 4 125 +246.92 +/- 30.19
97413 ncm-et-13 2019-09-25 09:43 00:50:43 1983954 332 196 10 126 +219.99 +/- 30.31
97412 ncm-et-9 2019-09-25 09:43 00:50:43 1966781 333 192 4 137 +222.19 +/- 28.58
97411 ncm-et-4 2019-09-25 09:43 00:50:36 1972810 331 194 5 132 +225.49 +/- 29.27
97410 ncm-et-15 2019-09-25 09:43 00:50:53 1981758 335 187 3 145 +214.48 +/- 27.56
97409 ncm-et-3 2019-09-25 09:43 00:50:44 1974839 327 183 10 134 +204.58 +/- 29.26
97324 ncm-et-10 2019-09-24 15:14 01:17:41 1956792 500 312 11 177 +241.91 +/- 25.53
97323 ncm-et-15 2019-09-24 15:14 01:15:49 1978937 500 316 7 177 +250.77 +/- 25.42
97322 ncm-et-3 2019-09-24 15:13 01:15:25 1975915 500 288 11 201 +216.85 +/- 23.78
97321 ncm-et-13 2019-09-24 15:13 01:16:15 1983032 500 279 7 214 +211.87 +/- 22.79
97320 ncm-et-4 2019-09-24 15:13 01:15:07 1969566 500 314 9 177 +246.3 +/- 25.48
97319 ncm-et-9 2019-09-24 15:12 01:16:17 1973582 500 297 5 198 +232.26 +/- 23.77
97318 ncm-et-15 2019-09-24 13:56 01:17:09 1983160 500 292 8 200 +223.94 +/- 23.75
97317 ncm-et-10 2019-09-24 13:55 01:17:53 1958792 500 316 10 174 +247.41 +/- 25.75
97316 ncm-et-3 2019-09-24 13:55 01:17:00 1962148 500 288 7 205 +220.88 +/- 23.38
97315 ncm-et-9 2019-09-24 13:55 01:15:51 1965859 500 297 10 193 +227.04 +/- 24.3
97314 ncm-et-13 2019-09-24 13:55 01:16:50 1980992 500 274 13 213 +201.19 +/- 23.05
97313 ncm-et-4 2019-09-24 13:54 01:17:30 1964770 500 295 8 197 +227.04 +/- 23.96
97312 ncm-et-3 2019-09-24 12:39 01:15:09 1975922 500 293 10 197 +222.92 +/- 24.02
97311 ncm-et-4 2019-09-24 12:38 01:14:56 1987412 500 323 7 170 +258.75 +/- 25.99
97310 ncm-et-15 2019-09-24 12:38 01:16:40 1968469 500 315 8 177 +248.53 +/- 25.45
97309 ncm-et-13 2019-09-24 12:38 01:15:47 1969862 500 292 16 192 +215.85 +/- 24.52
97308 ncm-et-9 2019-09-24 12:38 01:16:01 1960463 500 301 10 189 +231.21 +/- 24.59
97307 ncm-et-10 2019-09-24 12:38 01:16:28 1972393 500 326 6 168 +263.42 +/- 26.13
97306 ncm-et-3 2019-09-24 11:21 01:16:34 1967851 500 284 11 205 +212.86 +/- 23.51
97305 ncm-et-15 2019-09-24 11:21 01:15:51 1975765 500 266 10 224 +196.45 +/- 22.28
97304 ncm-et-4 2019-09-24 11:21 01:16:16 1974216 500 294 14 192 +219.87 +/- 24.48
97303 ncm-et-9 2019-09-24 11:21 01:16:09 1981298 500 285 8 207 +216.85 +/- 23.28
97302 ncm-et-10 2019-09-24 11:20 01:16:18 1977064 500 297 11 192 +226.0 +/- 24.4
97301 ncm-et-13 2019-09-24 11:19 01:17:30 1972029 500 298 9 193 +229.12 +/- 24.27
97300 ncm-et-4 2019-09-24 10:03 01:16:43 1965536 500 284 11 205 +212.86 +/- 23.51
97299 ncm-et-3 2019-09-24 10:03 01:17:27 1976225 500 298 8 194 +230.16 +/- 24.17
97298 ncm-et-15 2019-09-24 10:03 01:17:30 1960922 500 287 8 205 +218.86 +/- 23.41
97297 ncm-et-9 2019-09-24 10:02 01:17:18 1971723 500 301 11 188 +230.16 +/- 24.69
97296 ncm-et-10 2019-09-24 10:02 01:17:21 1953586 500 299 7 194 +232.26 +/- 24.13
97295 ncm-et-13 2019-09-24 10:02 01:16:30 1969708 500 293 4 203 +229.12 +/- 23.39
97294 ncm-et-3 2019-09-24 08:45 01:16:41 1971103 500 306 7 187 +239.74 +/- 24.65
97293 ncm-et-9 2019-09-24 08:45 01:16:29 1967709 500 300 12 188 +228.08 +/- 24.72
97292 ncm-et-13 2019-09-24 08:45 01:16:05 1973893 500 316 8 176 +249.64 +/- 25.53
97291 ncm-et-4 2019-09-24 08:45 01:17:18 1967092 500 306 11 183 +235.45 +/- 25.07
97290 ncm-et-10 2019-09-24 08:45 01:16:19 1957097 500 302 4 194 +238.66 +/- 24.01
97289 ncm-et-15 2019-09-24 08:45 01:16:51 1966169 500 312 8 180 +245.2 +/- 25.21

Commit

Commit ID 7756344d5d2b93970e7cd423f8cbf6fb1da11b74
Author Stéphane Nicolet
Date 2019-09-23 06:54:20 UTC
Clarify the mapping of files to queenside Author: @nickpelling We replace in the code the obscure expressions mapping files ABCDEFGH to ABCDDCBA by an explicite call to an auxiliary function : old: f = min(f, ~f) new: f = map_to_queenside(f) We used the Golbolt web site (https://godbolt.org) to find the optimal code for the auxiliary function. STC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 30292 W: 6756 L: 6651 D: 16885 http://tests.stockfishchess.org/tests/view/5d8676720ebc5971531d6aa1 No functional change
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