Dev Builds » 20160416-0922

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 05:44:02 1984980 2402 340 255 1807 +12.3 +/- 6.91
ncm-et-4 05:43:45 1972712 2349 310 221 1818 +13.17 +/- 6.67
ncm-et-5 01:42:04 2023693 704 94 72 538 +10.86 +/- 12.45
ncm-et-6 01:42:16 2024842 707 118 72 517 +22.64 +/- 13.23
ncm-et-7 01:42:11 2023121 704 97 62 545 +17.29 +/- 12.17
ncm-et-8 01:42:02 2021325 721 105 64 552 +19.78 +/- 12.24
ncm-et-9 05:43:52 1990120 2363 326 226 1811 +14.71 +/- 6.76
ncm-et-10 05:44:09 1986694 2399 348 237 1814 +16.09 +/- 6.85
ncm-et-11 01:42:20 2019862 728 111 73 544 +18.15 +/- 12.66
ncm-et-12 01:42:07 2004884 711 97 67 547 +14.67 +/- 12.24
ncm-et-13 05:44:00 1982056 2374 347 230 1797 +17.14 +/- 6.87
ncm-et-14 01:42:09 2020510 727 94 63 570 +14.82 +/- 11.71
ncm-et-15 05:43:56 1985133 2389 352 224 1813 +18.63 +/- 6.82
ncm-et-16 01:42:15 1984684 722 105 72 545 +15.89 +/- 12.53
20000 2844 1938 15218 +15.75 +/- 2.35

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
70004 ncm-et-4 2019-02-14 00:52 00:20:45 1966926 146 16 14 116 +4.76 +/- 25.59
70003 ncm-et-9 2019-02-14 00:50 00:22:33 1971422 155 26 17 112 +20.2 +/- 28.8
70002 ncm-et-13 2019-02-14 00:49 00:23:33 1965996 164 18 19 127 -2.12 +/- 25.3
70001 ncm-et-15 2019-02-14 00:48 00:24:15 1969861 162 32 10 120 +47.48 +/- 26.8
70000 ncm-et-3 2019-02-14 00:47 00:26:06 1963993 187 21 22 144 -1.86 +/- 23.92
69999 ncm-et-10 2019-02-14 00:46 00:27:19 1969240 186 31 14 141 +31.84 +/- 24.38
69998 ncm-et-9 2019-02-13 23:38 01:11:16 1979224 500 65 62 373 +2.08 +/- 15.36
69997 ncm-et-4 2019-02-13 23:37 01:13:50 1946063 500 58 53 389 +3.47 +/- 14.36
69996 ncm-et-13 2019-02-13 23:36 01:12:04 1971113 500 75 48 377 +18.78 +/- 15.07
69995 ncm-et-15 2019-02-13 23:34 01:13:35 1967249 500 78 60 362 +12.51 +/- 15.99
69994 ncm-et-3 2019-02-13 23:32 01:13:40 1967231 500 64 43 393 +14.6 +/- 14.06
69993 ncm-et-10 2019-02-13 23:32 01:12:40 1974099 500 87 51 362 +25.06 +/- 15.94
69992 ncm-et-9 2019-02-13 22:23 01:13:27 1968326 500 73 41 386 +22.27 +/- 14.48
69991 ncm-et-4 2019-02-13 22:23 01:13:05 1965072 500 65 42 393 +15.99 +/- 14.06
69990 ncm-et-15 2019-02-13 22:22 01:11:10 1969261 500 69 54 377 +10.43 +/- 15.1
69989 ncm-et-13 2019-02-13 22:20 01:14:56 1935252 500 80 50 370 +20.87 +/- 15.49
69988 ncm-et-10 2019-02-13 22:19 01:11:21 1966923 500 69 50 381 +13.21 +/- 14.84
69987 ncm-et-3 2019-02-13 22:19 01:11:24 1961381 500 79 62 359 +11.82 +/- 16.17
69986 ncm-et-4 2019-02-13 21:08 01:14:00 1963226 500 72 51 377 +14.6 +/- 15.09
69985 ncm-et-15 2019-02-13 21:08 01:12:41 1965851 500 73 36 391 +25.76 +/- 14.12
69984 ncm-et-13 2019-02-13 21:08 01:11:15 1970796 500 71 44 385 +18.78 +/- 14.56
69983 ncm-et-3 2019-02-13 21:08 01:10:41 1963840 500 60 56 384 +2.78 +/- 14.68
69982 ncm-et-9 2019-02-13 21:08 01:14:39 1971261 500 61 46 393 +10.43 +/- 14.08
69981 ncm-et-10 2019-02-13 21:08 01:10:42 1970183 500 76 43 381 +22.96 +/- 14.79
6936 ncm-et-7 2018-03-10 09:59 00:29:41 2022956 204 31 15 158 +27.31 +/- 22.5
6935 ncm-et-5 2018-03-10 09:59 00:30:01 2025408 204 31 20 153 +18.75 +/- 23.81
6934 ncm-et-10 2018-03-10 09:59 00:29:57 2020510 213 26 18 169 +13.06 +/- 21.19
6933 ncm-et-13 2018-03-10 09:59 00:30:01 2024917 210 34 17 159 +28.19 +/- 23.03
6932 ncm-et-9 2018-03-10 09:59 00:30:03 2025245 208 29 17 162 +20.07 +/- 22.14
6931 ncm-et-4 2018-03-10 09:59 00:29:53 1970721 203 29 18 156 +18.85 +/- 22.95
6930 ncm-et-6 2018-03-10 09:58 00:30:34 2028196 207 27 18 162 +15.12 +/- 22.04
6929 ncm-et-12 2018-03-10 09:58 00:30:46 1989746 211 32 20 159 +19.78 +/- 23.23
6928 ncm-et-14 2018-03-10 09:57 00:31:21 2020347 227 31 20 176 +16.85 +/- 21.39
6927 ncm-et-15 2018-03-10 09:57 00:31:31 2020021 227 33 14 180 +29.15 +/- 20.38
6926 ncm-et-3 2018-03-10 09:57 00:32:02 2027046 215 44 27 144 +27.53 +/- 26.65
6925 ncm-et-8 2018-03-10 09:57 00:31:57 2020836 221 37 22 162 +23.62 +/- 23.61
6924 ncm-et-16 2018-03-10 09:56 00:32:49 1950485 222 33 22 167 +17.23 +/- 22.72
6923 ncm-et-11 2018-03-10 09:56 00:33:19 2018557 228 40 26 162 +21.36 +/- 24.24
6922 ncm-et-9 2018-03-10 08:45 01:11:54 2025245 500 72 43 385 +20.17 +/- 14.56
6921 ncm-et-5 2018-03-10 08:45 01:12:03 2021978 500 63 52 385 +7.64 +/- 14.61
6920 ncm-et-10 2018-03-10 08:45 01:12:10 2019209 500 59 61 380 -1.39 +/- 14.93
6919 ncm-et-14 2018-03-10 08:45 01:10:48 2020673 500 63 43 394 +13.9 +/- 14.0
6918 ncm-et-3 2018-03-10 08:45 01:10:09 2026391 500 72 45 383 +18.78 +/- 14.69
6917 ncm-et-13 2018-03-10 08:45 01:12:11 2024265 500 69 52 379 +11.82 +/- 14.97
6916 ncm-et-8 2018-03-10 08:45 01:10:05 2021815 500 68 42 390 +18.08 +/- 14.24
6915 ncm-et-15 2018-03-10 08:45 01:10:44 2018559 500 67 50 383 +11.82 +/- 14.72
6914 ncm-et-4 2018-03-10 08:45 01:12:12 2024264 500 70 43 387 +18.78 +/- 14.43
6913 ncm-et-16 2018-03-10 08:45 01:09:26 2018883 500 72 50 378 +15.3 +/- 15.02
6912 ncm-et-12 2018-03-10 08:45 01:11:21 2020022 500 65 47 388 +12.51 +/- 14.4
6911 ncm-et-11 2018-03-10 08:45 01:09:01 2021167 500 71 47 382 +16.69 +/- 14.76
6910 ncm-et-7 2018-03-10 08:45 01:12:30 2023287 500 66 47 387 +13.21 +/- 14.46
6909 ncm-et-6 2018-03-10 08:45 01:11:42 2021488 500 91 54 355 +25.76 +/- 16.35

Commit

Commit ID ee7a68ea5fc07e331df462b10f35dc770e9409c5
Author Niklas Fiekas
Date 2016-04-16 09:22:36 UTC
Fix last search info carried over to mate position When starting search in a mate or stalemate position, Stockfish does not even care to reinitialize and start worker threads. However after search all threads are checked for the best move. This can lead to bestmove and info beeing carried over from the last search. Example session: setoption name threads value 7 go movetime 4000 position startpos moves f2f3 e7e5 g2g4 d8h4 go movetime 4000 Actual output is like (almost always): [...] bestmove e2e4 info depth 0 score mate 0 info depth 20 seldepth 29 multipv 1 score cp 28 [...] pv e2e4 bestmove e2e4 Expected output / output after fix: [...] bestmove e2e4 ponder e7e6 info depth 0 score mate 0 bestmove (none) Resolves #623
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