Dev Builds » 20200412-1834

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 08:20:25 1963117 3347 2122 52 1173 +251.03 +/- 9.86
ncm-et-4 08:20:10 1960912 3339 2022 47 1270 +236.24 +/- 9.42
ncm-et-9 08:19:59 1958184 3314 2059 49 1206 +244.38 +/- 9.7
ncm-et-10 08:20:32 1965759 3335 2055 52 1228 +241.15 +/- 9.61
ncm-et-13 08:20:14 1961734 3327 2068 58 1201 +243.08 +/- 9.74
ncm-et-15 08:20:33 1968192 3338 2056 62 1220 +239.4 +/- 9.66
20000 12382 320 7298 +242.51 +/- 3.94

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
129256 ncm-et-9 2020-04-13 13:00 00:47:10 1965849 314 200 7 107 +248.89 +/- 32.98
129255 ncm-et-13 2020-04-13 12:59 00:48:46 1961535 327 218 6 103 +268.36 +/- 33.66
129254 ncm-et-10 2020-04-13 12:58 00:50:04 1964771 335 203 3 129 +239.21 +/- 29.54
129253 ncm-et-4 2020-04-13 12:58 00:49:59 1961078 339 207 6 126 +237.01 +/- 30.16
129252 ncm-et-15 2020-04-13 12:57 00:51:04 1973433 338 213 4 121 +250.96 +/- 30.73
129251 ncm-et-3 2020-04-13 12:56 00:51:32 1959695 347 220 8 119 +246.83 +/- 31.25
129250 ncm-et-9 2020-04-13 11:44 01:14:44 1960311 500 319 6 175 +255.3 +/- 25.54
129249 ncm-et-13 2020-04-13 11:43 01:15:13 1961537 500 322 7 171 +257.59 +/- 25.91
129248 ncm-et-10 2020-04-13 11:42 01:14:46 1961236 500 309 4 187 +246.3 +/- 24.52
129247 ncm-et-4 2020-04-13 11:42 01:14:59 1971879 500 297 4 199 +233.32 +/- 23.66
129246 ncm-et-15 2020-04-13 11:41 01:14:18 1967409 500 313 13 174 +240.82 +/- 25.81
129245 ncm-et-3 2020-04-13 11:40 01:15:02 1963997 500 322 5 173 +259.91 +/- 25.67
129244 ncm-et-9 2020-04-13 10:28 01:15:27 1968031 500 318 3 179 +257.59 +/- 25.09
129243 ncm-et-13 2020-04-13 10:26 01:15:04 1960311 500 317 12 171 +246.3 +/- 26.04
129242 ncm-et-10 2020-04-13 10:26 01:14:49 1968473 500 302 12 186 +230.16 +/- 24.87
129241 ncm-et-4 2020-04-13 10:26 01:14:42 1973278 500 316 5 179 +253.02 +/- 25.18
129240 ncm-et-15 2020-04-13 10:26 01:14:38 1970176 500 305 7 188 +238.66 +/- 24.57
129239 ncm-et-3 2020-04-13 10:23 01:15:55 1963690 500 329 8 163 +264.6 +/- 26.63
129238 ncm-et-9 2020-04-13 09:12 01:15:14 1966001 500 300 9 191 +231.21 +/- 24.42
129237 ncm-et-13 2020-04-13 09:11 01:14:08 1962917 500 293 9 198 +223.94 +/- 23.92
129236 ncm-et-15 2020-04-13 09:10 01:14:49 1964301 500 298 8 194 +230.16 +/- 24.17
129235 ncm-et-10 2020-04-13 09:10 01:15:18 1964789 500 319 6 175 +255.3 +/- 25.54
129234 ncm-et-4 2020-04-13 09:09 01:15:42 1965253 500 300 3 197 +237.58 +/- 23.75
129233 ncm-et-3 2020-04-13 09:08 01:13:42 1965533 500 312 7 181 +246.3 +/- 25.1
129232 ncm-et-13 2020-04-13 07:54 01:16:02 1959850 500 316 11 173 +246.3 +/- 25.85
129231 ncm-et-15 2020-04-13 07:54 01:14:33 1966783 500 317 7 176 +251.89 +/- 25.5
129230 ncm-et-10 2020-04-13 07:54 01:14:47 1972285 500 323 8 169 +257.59 +/- 26.11
129229 ncm-et-4 2020-04-13 07:53 01:14:32 1969252 500 301 9 190 +232.26 +/- 24.49
129228 ncm-et-9 2020-04-13 07:53 01:17:08 1911075 500 302 10 188 +232.26 +/- 24.67
129227 ncm-et-3 2020-04-13 07:53 01:14:09 1963841 500 313 9 178 +245.2 +/- 25.4
129226 ncm-et-15 2020-04-13 06:38 01:14:39 1966928 500 296 13 191 +222.92 +/- 24.53
129225 ncm-et-4 2020-04-13 06:38 01:14:08 1968931 500 306 10 184 +236.51 +/- 24.97
129224 ncm-et-3 2020-04-13 06:38 01:14:25 1963686 500 309 9 182 +240.82 +/- 25.09
129223 ncm-et-10 2020-04-13 06:37 01:15:29 1969060 500 300 9 191 +231.21 +/- 24.42
129222 ncm-et-9 2020-04-13 06:37 01:15:20 1970795 500 307 6 187 +241.91 +/- 24.61
129221 ncm-et-13 2020-04-13 06:37 01:16:32 1964455 500 299 7 194 +232.26 +/- 24.13
129220 ncm-et-13 2020-04-13 05:21 01:14:29 1961535 500 303 6 191 +237.58 +/- 24.31
129219 ncm-et-4 2020-04-13 05:21 01:16:08 1916716 500 295 10 195 +224.97 +/- 24.16
129218 ncm-et-9 2020-04-13 05:21 01:14:56 1965231 500 313 8 179 +246.3 +/- 25.29
129217 ncm-et-10 2020-04-13 05:21 01:15:19 1959701 500 299 10 191 +229.12 +/- 24.45
129216 ncm-et-3 2020-04-13 05:21 01:15:40 1961381 500 317 6 177 +253.02 +/- 25.38
129215 ncm-et-15 2020-04-13 05:21 01:16:32 1968319 500 314 10 176 +245.2 +/- 25.59

Commit

Commit ID 6596f0eac0c1d25a12bfd923907bfc78beedbc90
Author protonspring
Date 2020-04-12 18:34:50 UTC
Always remember the ttMove In master, if the received ttMove meets the prescribed conditions in the various MovePicker constructors, it is returned as the first move, otherwise we set it to MOVE_NONE. If set to MOVE_NONE, we no longer track what the ttMove was, and it will might be returned later in a list of generated moves. This may be a waste. With this patch, if the ttMove fails to meet the prescribed conditions, we simply skip the TT stages, but still store the move and make sure it's never returned. STC LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 66424 W: 12903 L: 12806 D: 40715 Ptnml(0-2): 1195, 7730, 15230, 7897, 1160 LTC LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 45682 W: 5989 L: 5926 D: 33767 Ptnml(0-2): 329, 4361, 13443, 4334, 374 closes https://github.com/official-stockfish/Stockfish/pull/2616 Bench 4928928
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