Dev Builds » 20200414-0601

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 09:09:14 1963121 3663 2267 48 1348 +243.98 +/- 9.15
ncm-et-4 07:58:20 1949956 3151 1922 64 1165 +235.26 +/- 9.89
ncm-et-9 08:00:06 1965203 3168 1997 59 1112 +247.27 +/- 10.14
ncm-et-10 09:11:24 1961329 3656 2280 52 1324 +245.98 +/- 9.25
ncm-et-13 07:59:23 1951186 3145 1924 65 1156 +236.03 +/- 9.93
ncm-et-15 08:01:01 1970537 3217 2029 51 1137 +249.01 +/- 10.01
20000 12419 339 7242 +243.0 +/- 3.96

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
129430 ncm-et-13 2020-04-15 00:39 00:22:13 1959848 145 87 2 56 +233.43 +/- 45.3
129429 ncm-et-10 2020-04-15 00:38 00:23:42 1959557 156 108 3 45 +283.63 +/- 51.56
129428 ncm-et-4 2020-04-15 00:38 00:23:56 1900477 151 110 3 38 +307.27 +/- 56.45
129427 ncm-et-3 2020-04-15 00:37 00:24:43 1960923 163 94 2 67 +222.11 +/- 41.07
129426 ncm-et-9 2020-04-15 00:37 00:25:03 1966309 168 113 5 50 +265.1 +/- 48.86
129425 ncm-et-15 2020-04-15 00:30 00:32:04 1972189 217 130 7 80 +223.34 +/- 38.23
129424 ncm-et-13 2020-04-14 23:23 01:15:34 1961075 500 302 7 191 +235.45 +/- 24.35
129423 ncm-et-10 2020-04-14 23:21 01:15:31 1969394 500 311 5 184 +247.41 +/- 24.79
129422 ncm-et-3 2020-04-14 23:20 01:15:27 1961688 500 308 4 188 +245.2 +/- 24.45
129421 ncm-et-4 2020-04-14 23:20 01:16:21 1928902 500 298 11 191 +227.04 +/- 24.48
129420 ncm-et-9 2020-04-14 23:20 01:15:56 1963843 500 307 11 182 +236.51 +/- 25.14
129419 ncm-et-15 2020-04-14 23:14 01:14:59 1971262 500 313 9 178 +245.2 +/- 25.4
129418 ncm-et-3 2020-04-14 22:06 01:13:45 1960768 500 323 7 170 +258.75 +/- 25.99
129417 ncm-et-10 2020-04-14 22:05 01:15:40 1952844 500 320 6 174 +256.44 +/- 25.62
129416 ncm-et-4 2020-04-14 22:05 01:14:37 1969255 500 286 9 205 +216.85 +/- 23.45
129415 ncm-et-13 2020-04-14 22:03 01:18:29 1957410 500 313 9 178 +245.2 +/- 25.4
129414 ncm-et-9 2020-04-14 22:02 01:16:48 1956358 500 310 9 181 +241.91 +/- 25.17
129413 ncm-et-15 2020-04-14 21:58 01:14:53 1971112 500 317 8 175 +250.77 +/- 25.61
129412 ncm-et-3 2020-04-14 20:49 01:15:06 1964764 500 308 4 188 +245.2 +/- 24.45
129411 ncm-et-4 2020-04-14 20:48 01:15:09 1971878 500 315 8 177 +248.53 +/- 25.45
129410 ncm-et-10 2020-04-14 20:48 01:15:28 1962785 500 321 5 174 +258.75 +/- 25.59
129409 ncm-et-13 2020-04-14 20:46 01:16:19 1891835 500 299 10 191 +229.12 +/- 24.45
129408 ncm-et-9 2020-04-14 20:44 01:17:07 1966465 500 307 13 180 +234.38 +/- 25.34
129407 ncm-et-15 2020-04-14 20:42 01:14:47 1968634 500 319 7 174 +254.16 +/- 25.66
129406 ncm-et-3 2020-04-14 19:35 01:13:46 1960932 500 315 8 177 +248.53 +/- 25.45
129405 ncm-et-10 2020-04-14 19:32 01:14:28 1968620 500 299 5 196 +234.38 +/- 23.91
129404 ncm-et-4 2020-04-14 19:32 01:15:04 1967852 500 301 7 192 +234.38 +/- 24.28
129403 ncm-et-13 2020-04-14 19:29 01:15:35 1964918 500 296 14 190 +221.9 +/- 24.62
129402 ncm-et-9 2020-04-14 19:28 01:14:33 1968940 500 315 8 177 +248.53 +/- 25.45
129401 ncm-et-15 2020-04-14 19:26 01:14:50 1961998 500 317 5 178 +254.16 +/- 25.26
129400 ncm-et-3 2020-04-14 18:19 01:14:39 1963072 500 317 5 178 +254.16 +/- 25.26
129399 ncm-et-4 2020-04-14 18:16 01:14:36 1966005 500 316 11 173 +246.3 +/- 25.85
129398 ncm-et-10 2020-04-14 18:15 01:15:56 1958496 500 308 7 185 +241.91 +/- 24.8
129397 ncm-et-13 2020-04-14 18:13 01:15:33 1960767 500 305 8 187 +237.58 +/- 24.68
129396 ncm-et-9 2020-04-14 18:12 01:14:49 1964165 500 319 6 175 +255.3 +/- 25.54
129395 ncm-et-15 2020-04-14 18:09 01:15:23 1973116 500 317 10 173 +248.53 +/- 25.83
129394 ncm-et-3 2020-04-14 17:02 01:15:51 1961381 500 311 5 184 +247.41 +/- 24.79
129393 ncm-et-10 2020-04-14 16:59 01:14:51 1961078 500 300 8 192 +232.26 +/- 24.31
129392 ncm-et-4 2020-04-14 16:57 01:18:37 1945323 500 296 15 189 +220.88 +/- 24.71
129391 ncm-et-13 2020-04-14 16:56 01:15:40 1962455 500 322 15 163 +248.53 +/- 26.75
129390 ncm-et-9 2020-04-14 16:55 01:15:50 1970342 500 326 7 167 +262.24 +/- 26.25
129389 ncm-et-15 2020-04-14 16:54 01:14:05 1975451 500 316 5 179 +253.02 +/- 25.18
129388 ncm-et-3 2020-04-14 15:45 01:15:57 1971445 500 291 13 196 +217.85 +/- 24.17
129387 ncm-et-10 2020-04-14 15:43 01:15:48 1957862 500 313 13 174 +240.82 +/- 25.81

Commit

Commit ID 5c58f6712667076babe9ebaac1689436721c42be
Author Stefan Geschwentner
Date 2020-04-14 06:01:53 UTC
less bonus for blocked connected pawn Use less bonus for blocked connected pawns so closed positions are less worth. STC: LLR: 2.96 (-2.94,2.94) {-0.50,1.50} Total: 60004 W: 11904 L: 11619 D: 36481 Ptnml(0-2): 1066, 7083, 13535, 7136, 1182 https://tests.stockfishchess.org/tests/view/5e941a8063d105aebbab23e3 LTC: LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 36606 W: 4831 L: 4556 D: 27219 Ptnml(0-2): 252, 3353, 10872, 3520, 306 https://tests.stockfishchess.org/tests/view/5e9444b963d105aebbab2427 closes https://github.com/official-stockfish/Stockfish/pull/2629 Bench: 4961260
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