Dev Builds » 20140517-2059

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 06:01:11 1987721 2377 149 885 1343 -111.23 +/- 9.0
ncm-et-4 06:01:15 1983400 2394 153 858 1383 -105.44 +/- 8.83
ncm-et-5 01:47:38 2018856 713 38 251 424 -107.06 +/- 15.76
ncm-et-6 01:47:48 2023938 719 35 267 417 -116.26 +/- 15.95
ncm-et-7 01:47:49 2024427 709 36 272 401 -120.23 +/- 16.38
ncm-et-8 01:47:42 1979829 691 34 265 392 -120.79 +/- 16.54
ncm-et-9 06:00:59 1991183 2384 138 877 1369 -111.36 +/- 8.86
ncm-et-10 06:01:20 1986185 2390 142 910 1338 -115.74 +/- 9.02
ncm-et-11 01:47:44 2017014 711 55 260 396 -103.1 +/- 16.73
ncm-et-12 01:47:34 1973751 719 39 265 415 -113.03 +/- 16.06
ncm-et-13 06:01:13 1990532 2401 162 837 1402 -100.38 +/- 8.76
ncm-et-14 01:47:42 2019615 710 45 272 393 -115.12 +/- 16.72
ncm-et-15 06:00:54 1989335 2374 141 873 1360 -110.73 +/- 8.9
ncm-et-16 01:47:32 1963965 708 31 256 421 -114.37 +/- 15.72
20000 1198 7348 11454 -110.41 +/- 3.07

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
90895 ncm-et-9 2019-07-30 14:45 00:24:02 1965538 156 14 55 87 -93.51 +/- 35.93
90894 ncm-et-15 2019-07-30 14:43 00:24:44 1972353 157 14 54 89 -90.51 +/- 35.41
90893 ncm-et-3 2019-07-30 14:43 00:25:17 1962004 163 8 63 92 -122.01 +/- 34.29
90892 ncm-et-10 2019-07-30 14:43 00:25:33 1980421 164 9 66 89 -126.0 +/- 35.25
90891 ncm-et-4 2019-07-30 14:43 00:25:41 1965074 171 10 64 97 -113.6 +/- 33.51
90890 ncm-et-13 2019-07-30 14:40 00:28:39 1966151 189 11 77 101 -126.65 +/- 33.21
90889 ncm-et-9 2019-07-30 13:29 01:14:56 1983902 500 29 168 303 -99.2 +/- 18.6
90888 ncm-et-4 2019-07-30 13:27 01:14:32 1965540 500 33 173 294 -99.95 +/- 19.11
90887 ncm-et-3 2019-07-30 13:27 01:15:04 1979399 500 32 188 280 -112.14 +/- 19.78
90886 ncm-et-15 2019-07-30 13:26 01:16:31 1968631 500 20 192 288 -124.6 +/- 19.12
90885 ncm-et-10 2019-07-30 13:26 01:16:24 1966033 500 39 180 281 -100.71 +/- 19.84
90884 ncm-et-13 2019-07-30 13:23 01:15:55 1977006 500 37 175 288 -98.44 +/- 19.47
90883 ncm-et-15 2019-07-30 12:10 01:14:49 1970328 500 29 179 292 -107.54 +/- 19.13
90882 ncm-et-3 2019-07-30 12:10 01:16:35 1965227 500 33 156 311 -87.26 +/- 18.28
90881 ncm-et-4 2019-07-30 12:09 01:16:54 1961845 500 28 183 289 -111.37 +/- 19.26
90880 ncm-et-9 2019-07-30 12:09 01:18:21 1969248 500 21 192 287 -123.81 +/- 19.2
90879 ncm-et-10 2019-07-30 12:09 01:16:03 1960339 500 28 185 287 -112.91 +/- 19.36
90878 ncm-et-13 2019-07-30 12:07 01:14:36 1968158 500 34 159 307 -88.74 +/- 18.5
90877 ncm-et-9 2019-07-30 10:52 01:16:04 1975298 500 27 182 291 -111.37 +/- 19.14
90876 ncm-et-4 2019-07-30 10:52 01:16:19 1973314 500 26 180 294 -110.6 +/- 18.97
90875 ncm-et-3 2019-07-30 10:52 01:16:31 1967077 500 35 202 263 -120.67 +/- 20.67
90874 ncm-et-15 2019-07-30 10:52 01:17:00 1985796 500 35 188 277 -109.83 +/- 19.97
90873 ncm-et-10 2019-07-30 10:52 01:15:43 1971414 500 31 202 267 -123.81 +/- 20.41
90872 ncm-et-13 2019-07-30 10:52 01:14:18 1977786 500 26 178 296 -109.07 +/- 18.87
23328 ncm-et-8 2018-04-26 16:40 00:30:28 1965982 191 8 78 105 -133.54 +/- 32.12
23327 ncm-et-7 2018-04-26 16:39 00:31:55 2024100 209 8 72 129 -109.92 +/- 28.02
23326 ncm-et-11 2018-04-26 16:39 00:31:53 2016933 211 17 77 117 -101.6 +/- 30.9
23325 ncm-et-5 2018-04-26 16:39 00:31:50 2024426 213 13 70 130 -95.3 +/- 28.42
23324 ncm-et-15 2018-04-26 16:38 00:32:16 2019371 217 14 76 127 -102.11 +/- 29.14
23323 ncm-et-14 2018-04-26 16:38 00:32:17 2020673 210 15 81 114 -113.02 +/- 31.32
23322 ncm-et-6 2018-04-26 16:38 00:32:26 2024917 219 9 81 129 -118.63 +/- 28.48
23321 ncm-et-3 2018-04-26 16:38 00:32:30 2025572 214 7 88 119 -138.39 +/- 29.9
23320 ncm-et-13 2018-04-26 16:38 00:32:50 2025572 212 13 72 127 -99.31 +/- 28.92
23319 ncm-et-12 2018-04-26 16:37 00:33:13 1927643 219 7 76 136 -113.32 +/- 27.09
23318 ncm-et-4 2018-04-26 16:37 00:33:26 2010692 223 19 77 127 -92.49 +/- 29.55
23317 ncm-et-16 2018-04-26 16:37 00:33:15 1908885 208 13 75 120 -106.8 +/- 30.05
23316 ncm-et-10 2018-04-26 16:37 00:33:25 2020510 226 12 81 133 -109.57 +/- 28.26
23315 ncm-et-9 2018-04-26 16:36 00:34:33 2027702 228 14 89 125 -118.7 +/- 29.74
23314 ncm-et-14 2018-04-26 15:22 01:15:25 2018558 500 30 191 279 -116.0 +/- 19.79
23313 ncm-et-3 2018-04-26 15:22 01:15:14 2027047 500 34 188 278 -110.6 +/- 19.91
23312 ncm-et-10 2018-04-26 15:22 01:14:12 2018395 500 23 196 281 -125.39 +/- 19.55
23311 ncm-et-13 2018-04-26 15:22 01:14:55 2028523 500 41 176 283 -96.19 +/- 19.76
23310 ncm-et-12 2018-04-26 15:22 01:14:21 2019859 500 32 189 279 -112.91 +/- 19.83
23309 ncm-et-15 2018-04-26 15:22 01:15:34 2019535 500 29 184 287 -111.37 +/- 19.38
23308 ncm-et-9 2018-04-26 15:22 01:13:03 2025411 500 33 191 276 -113.68 +/- 19.99
23307 ncm-et-16 2018-04-26 15:22 01:14:17 2019046 500 18 181 301 -117.55 +/- 18.43
23306 ncm-et-8 2018-04-26 15:22 01:17:14 1993676 500 26 187 287 -116.0 +/- 19.32
23305 ncm-et-5 2018-04-26 15:22 01:15:48 2013286 500 25 181 294 -112.14 +/- 18.95
23304 ncm-et-4 2018-04-26 15:22 01:14:23 2023936 500 37 181 282 -102.97 +/- 19.76
23303 ncm-et-6 2018-04-26 15:22 01:15:22 2022959 500 26 186 288 -115.23 +/- 19.27
23302 ncm-et-7 2018-04-26 15:22 01:15:54 2024754 500 28 200 272 -124.6 +/- 20.1
23301 ncm-et-11 2018-04-26 15:22 01:15:51 2017096 500 38 183 279 -103.73 +/- 19.92

Commit

Commit ID 5e03734eacc8e52a6c92be19e73b69ab3e398518
Author Marco Costalba
Date 2014-05-17 20:59:07 UTC
Fix an off-by-one bug in extract_pv_from_tt At root we start counting plies from 1, instead pv[] array starts from 0. So the variable 'ply' we use in extract_pv_from_tt to index pv[] is misnamed, indeed it is not the real ply, but ply-1. The fix is to leave ply name in extract_pv_from_tt but assign it the correct start value and consequentely change all the references to pv[]. Instead in insert_pv_in_tt it's simpler to rename the misnamed 'ply' in 'idx'. The off-by-one bug was unhidden when trying to use 'ply' for what it should have been, for instance in this position: position fen 8/6R1/8/3k4/8/8/8/2K5 w - - 0 1 at depth 24 mate line is erroneusly truncated due to value_from_tt() using the wrong ply. Spotted by Ronald de Man. bench: 8732553
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