Dev Builds » 20190911-1637

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 09:59:22 1977781 3950 2390 94 1466 +230.83 +/- 8.83
ncm-et-4 09:54:36 1954221 3811 2332 71 1408 +237.2 +/- 8.99
ncm-et-9 01:11:23 1977318 457 267 8 182 +223.3 +/- 24.94
ncm-et-10 10:00:09 1962106 3889 2350 69 1470 +233.6 +/- 8.78
ncm-et-13 09:56:55 1972056 3939 2422 71 1446 +239.12 +/- 8.87
ncm-et-15 09:59:38 1974456 3954 2400 66 1488 +235.6 +/- 8.72
20000 12161 379 7460 +234.97 +/- 3.9

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
95946 ncm-et-15 2019-09-13 16:12 01:11:21 1977803 468 272 5 191 +225.24 +/- 24.16
95945 ncm-et-4 2019-09-13 16:12 01:11:22 1967705 463 277 4 182 +235.25 +/- 24.79
95944 ncm-et-3 2019-09-13 16:12 01:11:16 1979816 469 300 9 160 +252.16 +/- 26.87
95943 ncm-et-13 2019-09-13 16:12 01:11:18 1972973 469 283 9 177 +232.38 +/- 25.41
95942 ncm-et-9 2019-09-13 16:12 01:11:23 1977318 457 267 8 182 +223.3 +/- 24.94
95941 ncm-et-10 2019-09-13 16:12 01:11:20 1971811 478 293 8 177 +238.79 +/- 25.4
95784 ncm-et-4 2019-09-12 07:20 00:53:55 1961541 348 217 4 127 +247.45 +/- 29.94
95783 ncm-et-10 2019-09-12 07:11 01:02:55 1964313 411 226 3 182 +211.17 +/- 24.48
95782 ncm-et-3 2019-09-12 07:03 01:10:43 1985691 481 302 15 164 +239.02 +/- 26.65
95781 ncm-et-13 2019-09-12 07:02 01:12:16 1971582 470 289 5 176 +243.14 +/- 25.34
95780 ncm-et-15 2019-09-12 07:00 01:13:46 1975612 486 303 9 174 +243.52 +/- 25.69
95779 ncm-et-4 2019-09-12 05:56 01:22:36 1879780 500 305 13 182 +232.26 +/- 25.19
95778 ncm-et-10 2019-09-12 05:52 01:18:11 1956331 500 312 12 176 +240.82 +/- 25.63
95777 ncm-et-13 2019-09-12 05:47 01:13:51 1970649 500 315 6 179 +250.77 +/- 25.22
95776 ncm-et-3 2019-09-12 05:45 01:16:50 1971570 500 298 14 188 +223.94 +/- 24.76
95775 ncm-et-15 2019-09-12 05:43 01:16:03 1979924 500 303 10 187 +233.32 +/- 24.74
95774 ncm-et-4 2019-09-12 04:37 01:18:00 1974515 500 299 9 192 +230.16 +/- 24.35
95773 ncm-et-10 2019-09-12 04:35 01:15:24 1967539 500 310 11 179 +239.74 +/- 25.37
95772 ncm-et-13 2019-09-12 04:30 01:15:24 1970027 500 310 11 179 +239.74 +/- 25.37
95771 ncm-et-3 2019-09-12 04:29 01:15:38 1979974 500 303 12 185 +231.21 +/- 24.94
95770 ncm-et-15 2019-09-12 04:25 01:16:58 1963230 500 293 11 196 +221.9 +/- 24.12
95769 ncm-et-4 2019-09-12 03:17 01:19:45 1939204 500 307 7 186 +240.82 +/- 24.72
95768 ncm-et-10 2019-09-12 03:16 01:18:46 1958316 500 304 9 187 +235.45 +/- 24.71
95767 ncm-et-13 2019-09-12 03:13 01:16:19 1970023 500 296 8 196 +228.08 +/- 24.03
95766 ncm-et-3 2019-09-12 03:12 01:16:08 1972037 500 286 10 204 +215.85 +/- 23.55
95765 ncm-et-15 2019-09-12 03:08 01:16:31 1961996 500 291 9 200 +221.9 +/- 23.78
95764 ncm-et-4 2019-09-12 01:58 01:17:03 1971104 500 315 9 176 +247.41 +/- 25.56
95763 ncm-et-10 2019-09-12 01:58 01:16:45 1968467 500 309 6 185 +244.1 +/- 24.76
95762 ncm-et-13 2019-09-12 01:56 01:16:26 1973271 500 312 9 179 +244.1 +/- 25.32
95761 ncm-et-3 2019-09-12 01:55 01:15:44 1974372 500 296 9 195 +227.04 +/- 24.13
95760 ncm-et-15 2019-09-12 01:51 01:15:09 1969114 500 316 5 179 +253.02 +/- 25.18
95759 ncm-et-4 2019-09-12 00:42 01:15:24 1976698 500 312 16 172 +236.51 +/- 26.02
95758 ncm-et-13 2019-09-12 00:38 01:16:11 1978520 500 305 11 184 +234.38 +/- 24.99
95757 ncm-et-10 2019-09-12 00:38 01:18:24 1944384 500 301 9 190 +232.26 +/- 24.49
95756 ncm-et-3 2019-09-12 00:37 01:16:48 1985048 500 296 15 189 +220.88 +/- 24.71
95755 ncm-et-15 2019-09-12 00:35 01:14:50 2002113 500 315 8 177 +248.53 +/- 25.45
95754 ncm-et-4 2019-09-11 23:24 01:16:31 1963225 500 300 9 191 +231.21 +/- 24.42
95753 ncm-et-13 2019-09-11 23:22 01:15:10 1969408 500 312 12 176 +240.82 +/- 25.63
95752 ncm-et-3 2019-09-11 23:20 01:16:15 1973744 500 309 10 181 +239.74 +/- 25.19
95751 ncm-et-15 2019-09-11 23:19 01:15:00 1965856 500 307 9 184 +238.66 +/- 24.94
95750 ncm-et-10 2019-09-11 23:19 01:18:24 1965689 500 295 11 194 +223.94 +/- 24.26

Commit

Commit ID 61f44ce57864f866de5d26a3402a9ad135e17c6d
Author Stefan Geschwentner
Date 2019-09-11 16:37:08 UTC
Update reverse move stats For a good quiet non-pawn move consider the reverse move as bad and update the main history with a negative stat bonus. STC: LLR: 2.95 (-2.94,2.94) [0.50,4.50] Total: 19292 W: 4401 L: 4141 D: 10750 http://tests.stockfishchess.org/tests/view/5d7751d50ebc594e7864973c LTC: LLR: 2.95 (-2.94,2.94) [0.00,3.50] Total: 111952 W: 18762 L: 18275 D: 74915 http://tests.stockfishchess.org/tests/view/5d7771cf0ebc594e786498fa Closes https://github.com/official-stockfish/Stockfish/pull/2294 Bench: 3914238
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