Dev Builds » 20200521-1211

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 08:29:49 1962041 3344 2097 50 1197 +247.49 +/- 9.74
ncm-et-4 08:29:00 1967412 3332 2104 57 1171 +248.72 +/- 9.87
ncm-et-9 08:28:52 1965701 3336 2067 55 1214 +242.52 +/- 9.68
ncm-et-10 08:28:38 1958994 3310 2121 39 1150 +257.02 +/- 9.93
ncm-et-13 08:29:13 1958621 3313 2129 56 1128 +255.14 +/- 10.07
ncm-et-15 08:29:16 1971704 3366 2137 50 1179 +251.91 +/- 9.83
20001 12655 307 7039 +250.41 +/- 4.02

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
131323 ncm-et-13 2020-05-22 02:07 00:47:39 1963534 313 200 4 109 +255.41 +/- 32.47
131322 ncm-et-10 2020-05-22 02:06 00:49:01 1954196 310 190 4 116 +240.82 +/- 31.33
131321 ncm-et-9 2020-05-22 02:04 00:50:22 1973115 336 205 6 125 +236.65 +/- 30.28
131320 ncm-et-4 2020-05-22 02:04 00:50:37 1974833 332 212 9 111 +247.11 +/- 32.44
131319 ncm-et-3 2020-05-22 02:02 00:53:09 1962609 344 204 5 135 +229.37 +/- 28.96
131318 ncm-et-15 2020-05-22 02:00 00:54:53 1973271 366 237 7 122 +256.68 +/- 30.84
131317 ncm-et-10 2020-05-22 00:48 01:16:30 1963712 500 320 5 175 +257.59 +/- 25.5
131316 ncm-et-13 2020-05-22 00:48 01:17:37 1957858 500 328 7 165 +264.6 +/- 26.42
131315 ncm-et-4 2020-05-22 00:47 01:16:04 1961382 500 327 12 161 +257.59 +/- 26.89
131314 ncm-et-9 2020-05-22 00:46 01:17:41 1937451 500 308 6 186 +243.0 +/- 24.68
131313 ncm-et-3 2020-05-22 00:45 01:15:18 1962610 500 312 8 180 +245.2 +/- 25.21
131312 ncm-et-15 2020-05-22 00:43 01:15:50 1974518 500 309 6 185 +244.1 +/- 24.76
131311 ncm-et-13 2020-05-21 23:30 01:16:51 1962302 500 309 9 182 +240.82 +/- 25.09
131310 ncm-et-4 2020-05-21 23:30 01:16:02 1964148 500 331 6 163 +269.37 +/- 26.56
131309 ncm-et-10 2020-05-21 23:30 01:17:16 1961105 500 327 6 167 +264.6 +/- 26.21
131308 ncm-et-3 2020-05-21 23:29 01:15:30 1963996 500 329 8 163 +264.6 +/- 26.63
131307 ncm-et-9 2020-05-21 23:29 01:16:00 1965998 500 319 11 170 +249.64 +/- 26.1
131306 ncm-et-15 2020-05-21 23:26 01:16:25 1969560 500 317 12 171 +246.3 +/- 26.04
131305 ncm-et-4 2020-05-21 22:14 01:15:05 1968163 500 310 8 182 +243.0 +/- 25.06
131304 ncm-et-10 2020-05-21 22:14 01:15:19 1960019 500 316 9 175 +248.53 +/- 25.64
131303 ncm-et-13 2020-05-21 22:13 01:16:45 1960001 500 319 4 177 +257.59 +/- 25.3
131302 ncm-et-3 2020-05-21 22:12 01:16:00 1962459 500 320 9 171 +253.02 +/- 25.97
131301 ncm-et-9 2020-05-21 22:12 01:16:00 1974825 500 321 6 173 +257.59 +/- 25.71
131300 ncm-et-15 2020-05-21 22:10 01:14:55 1969089 500 321 9 170 +254.16 +/- 26.05
131299 ncm-et-4 2020-05-21 20:57 01:15:55 1976227 500 306 7 187 +239.74 +/- 24.65
131298 ncm-et-10 2020-05-21 20:56 01:16:34 1959867 500 332 3 165 +274.22 +/- 26.26
131297 ncm-et-13 2020-05-21 20:54 01:17:52 1958626 500 312 12 176 +240.82 +/- 25.63
131296 ncm-et-3 2020-05-21 20:54 01:17:14 1958929 500 319 8 173 +253.02 +/- 25.77
131295 ncm-et-9 2020-05-21 20:53 01:17:27 1972028 500 304 14 182 +230.16 +/- 25.21
131294 ncm-et-15 2020-05-21 20:53 01:15:41 1970023 500 324 8 168 +258.75 +/- 26.19
131293 ncm-et-10 2020-05-21 19:38 01:16:29 1952674 500 307 6 187 +241.91 +/- 24.61
131292 ncm-et-4 2020-05-21 19:37 01:18:46 1956965 500 305 8 187 +237.58 +/- 24.68
131291 ncm-et-3 2020-05-21 19:37 01:15:46 1961843 500 295 7 198 +228.08 +/- 23.85
131290 ncm-et-9 2020-05-21 19:36 01:15:34 1969410 500 318 4 178 +256.44 +/- 25.22
131289 ncm-et-15 2020-05-21 19:36 01:16:04 1971108 500 312 4 184 +249.64 +/- 24.75
131288 ncm-et-13 2020-05-21 19:36 01:16:55 1947564 500 331 11 158 +263.42 +/- 27.14
131287 ncm-et-9 2020-05-21 18:20 01:15:48 1967080 500 292 8 200 +223.94 +/- 23.75
131286 ncm-et-4 2020-05-21 18:20 01:16:31 1970170 500 313 7 180 +247.41 +/- 25.18
131285 ncm-et-10 2020-05-21 18:20 01:17:29 1961391 500 329 6 165 +266.97 +/- 26.39
131284 ncm-et-15 2020-05-21 18:19 01:15:28 1974360 500 317 4 179 +255.3 +/- 25.14
131283 ncm-et-13 2020-05-21 18:19 01:15:34 1960464 500 330 9 161 +264.6 +/- 26.83
131282 ncm-et-3 2020-05-21 18:19 01:16:52 1961844 500 318 5 177 +255.3 +/- 25.34

Commit

Commit ID 09c6917d053582267a2960e8c375883e0d9461da
Author Stefan Geschwentner
Date 2020-05-21 12:11:14 UTC
Tweak knight mobility New tuned values for knight mobility in endgames. STC: LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 112576 W: 21999 L: 21644 D: 68933 Ptnml(0-2): 2009, 13084, 25735, 13463, 1997 https://tests.stockfishchess.org/tests/view/5ec58379377121ac09e10272 LTC: LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 125192 W: 16200 L: 15671 D: 93321 Ptnml(0-2): 891, 11584, 37182, 11983, 956 https://tests.stockfishchess.org/tests/view/5ec5c0b8377121ac09e1028b Closes https://github.com/official-stockfish/Stockfish/pull/2693 Bench: 4778956
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