Dev Builds » 20190627-0726

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 08:33:58 1969000 3341 1919 68 1354 +216.86 +/- 9.12
ncm-et-4 08:34:08 1962991 3328 1986 58 1284 +229.81 +/- 9.38
ncm-et-9 08:34:13 1973573 3321 1949 74 1298 +222.2 +/- 9.35
ncm-et-10 08:34:06 1967485 3312 1970 61 1281 +228.28 +/- 9.4
ncm-et-13 08:34:10 1978704 3371 1978 77 1316 +221.86 +/- 9.29
ncm-et-15 08:34:11 1975464 3327 1938 67 1322 +221.07 +/- 9.24
20000 11740 405 7855 +223.3 +/- 3.79

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
86924 ncm-et-10 2019-06-28 06:36 00:48:40 1976907 312 199 2 111 +258.41 +/- 31.97
86923 ncm-et-9 2019-06-28 06:35 00:49:55 1972652 321 179 6 136 +209.39 +/- 28.76
86922 ncm-et-4 2019-06-28 06:34 00:50:16 1965227 328 202 4 122 +242.82 +/- 30.54
86921 ncm-et-15 2019-06-28 06:34 00:50:58 1970027 327 188 8 131 +215.08 +/- 29.55
86920 ncm-et-3 2019-06-28 06:33 00:51:34 1965379 341 196 6 139 +218.45 +/- 28.52
86919 ncm-et-13 2019-06-28 06:27 00:57:50 1977005 371 216 9 146 +218.83 +/- 28.01
86918 ncm-et-15 2019-06-28 05:16 01:16:05 1980039 500 287 8 205 +218.86 +/- 23.41
86917 ncm-et-9 2019-06-28 05:16 01:17:31 1990721 500 294 17 189 +216.85 +/- 24.74
86916 ncm-et-3 2019-06-28 05:16 01:16:00 1964455 500 308 11 181 +237.58 +/- 25.22
86915 ncm-et-4 2019-06-28 05:16 01:17:39 1964303 500 298 11 191 +227.04 +/- 24.48
86914 ncm-et-10 2019-06-28 05:15 01:19:23 1955109 500 299 8 193 +231.21 +/- 24.24
86913 ncm-et-13 2019-06-28 05:09 01:16:49 1965537 500 306 18 176 +228.08 +/- 25.72
86912 ncm-et-15 2019-06-28 03:58 01:17:53 1977007 500 306 10 184 +236.51 +/- 24.97
86911 ncm-et-3 2019-06-28 03:57 01:17:24 1966459 500 279 7 214 +211.87 +/- 22.79
86910 ncm-et-9 2019-06-28 03:57 01:17:59 1973119 500 293 8 199 +224.97 +/- 23.82
86909 ncm-et-4 2019-06-28 03:57 01:18:01 1964306 500 299 10 191 +229.12 +/- 24.45
86908 ncm-et-10 2019-06-28 03:56 01:18:14 1964930 500 300 13 187 +227.04 +/- 24.82
86907 ncm-et-13 2019-06-28 03:52 01:15:32 1991685 500 289 11 200 +217.85 +/- 23.85
86906 ncm-et-3 2019-06-28 02:40 01:16:02 1977131 500 275 8 217 +206.98 +/- 22.64
86905 ncm-et-15 2019-06-28 02:40 01:16:51 1970954 500 297 5 198 +232.26 +/- 23.77
86904 ncm-et-4 2019-06-28 02:39 01:16:04 1967231 500 286 8 206 +217.85 +/- 23.35
86903 ncm-et-9 2019-06-28 02:38 01:18:04 1961544 500 282 13 205 +208.93 +/- 23.56
86902 ncm-et-10 2019-06-28 02:38 01:17:17 1970374 500 296 6 198 +230.16 +/- 23.81
86901 ncm-et-13 2019-06-28 02:35 01:16:18 1980552 500 299 6 195 +233.32 +/- 24.03
86900 ncm-et-3 2019-06-28 01:23 01:16:15 1967385 500 286 13 201 +212.86 +/- 23.83
86899 ncm-et-15 2019-06-28 01:21 01:17:04 1972651 500 297 12 191 +224.97 +/- 24.5
86898 ncm-et-9 2019-06-28 01:20 01:16:42 1973776 500 298 10 192 +228.08 +/- 24.38
86897 ncm-et-10 2019-06-28 01:20 01:16:42 1966002 500 289 13 198 +215.85 +/- 24.03
86896 ncm-et-4 2019-06-28 01:19 01:19:32 1940865 500 298 7 195 +231.21 +/- 24.06
86895 ncm-et-13 2019-06-28 01:18 01:16:10 1977245 500 293 8 199 +224.97 +/- 23.82
86894 ncm-et-3 2019-06-28 00:04 01:18:18 1977586 500 289 18 193 +210.89 +/- 24.48
86893 ncm-et-9 2019-06-28 00:02 01:17:05 1967129 500 302 8 190 +234.38 +/- 24.46
86892 ncm-et-4 2019-06-28 00:02 01:15:40 1972239 500 296 13 191 +222.92 +/- 24.53
86891 ncm-et-15 2019-06-28 00:02 01:18:38 1971573 500 263 16 221 +188.08 +/- 22.63
86890 ncm-et-10 2019-06-28 00:02 01:17:05 1975064 500 285 9 206 +215.85 +/- 23.38
86889 ncm-et-13 2019-06-28 00:02 01:14:56 1983299 500 282 13 205 +208.93 +/- 23.56
86888 ncm-et-3 2019-06-27 22:44 01:18:25 1964609 500 286 5 209 +220.88 +/- 23.03
86887 ncm-et-9 2019-06-27 22:44 01:16:57 1976070 500 301 12 187 +229.12 +/- 24.79
86886 ncm-et-13 2019-06-27 22:44 01:16:35 1975606 500 293 12 195 +220.88 +/- 24.22
86885 ncm-et-4 2019-06-27 22:44 01:16:56 1966768 500 307 5 188 +243.0 +/- 24.49
86884 ncm-et-15 2019-06-27 22:44 01:16:42 1985999 500 300 8 192 +232.26 +/- 24.31
86883 ncm-et-10 2019-06-27 22:44 01:16:45 1964010 500 302 10 188 +232.26 +/- 24.67

Commit

Commit ID dab66631e8e31b86f91475f4245c4be6b36a37de
Author Vizvezdenec
Date 2019-06-27 07:26:08 UTC
Introduce attacks on space area This patch introduces a small malus for every square in our space mask that is attacked by enemy. The value of the malus is completely arbitrary and is something we can tweak, also maybe we can gain some elo with tweaking space threshold after this addition. Passed STC http://tests.stockfishchess.org/tests/view/5d10ce590ebc5925cf0af30b LLR: 2.96 (-2.94,2.94) [0.50,4.50] Total: 7082 W: 1648 L: 1449 D: 3985 Passed LTC http://tests.stockfishchess.org/tests/view/5d10d2d80ebc5925cf0af3fd LLR: 2.96 (-2.94,2.94) [0.00,3.50] Total: 79494 W: 13727 L: 13324 D: 52443 Closes https://github.com/official-stockfish/Stockfish/pull/2207 bench 3516460
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