Dev Builds » 20190509-1600

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 08:32:11 1969994 3337 1947 73 1317 +220.67 +/- 9.28
ncm-et-4 08:34:46 1958782 3326 1971 78 1277 +224.54 +/- 9.44
ncm-et-9 08:31:57 1971537 3322 1998 66 1258 +230.99 +/- 9.5
ncm-et-10 08:34:57 1969694 3332 1976 71 1285 +225.86 +/- 9.4
ncm-et-13 08:32:27 1973572 3329 1985 64 1280 +228.62 +/- 9.41
ncm-et-15 08:33:54 1973567 3355 1972 68 1315 +223.69 +/- 9.28
20001 11849 420 7732 +225.7 +/- 3.83

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
80918 ncm-et-9 2019-05-10 04:09 00:48:58 1971259 322 180 11 131 +202.56 +/- 29.65
80917 ncm-et-4 2019-05-10 04:07 00:50:34 1960014 326 193 8 125 +223.68 +/- 30.34
80916 ncm-et-13 2019-05-10 04:07 00:50:48 1969706 329 202 3 124 +243.48 +/- 30.19
80915 ncm-et-10 2019-05-10 04:06 00:51:05 1962309 332 198 7 127 +227.71 +/- 30.05
80914 ncm-et-3 2019-05-10 04:06 00:52:08 1973016 337 187 6 144 +208.48 +/- 27.91
80913 ncm-et-15 2019-05-10 04:03 00:53:56 1972195 355 213 4 138 +234.77 +/- 28.59
80912 ncm-et-9 2019-05-10 02:50 01:17:58 1969874 500 310 9 181 +241.91 +/- 25.17
80911 ncm-et-13 2019-05-10 02:49 01:16:16 1976858 500 311 7 182 +245.2 +/- 25.02
80910 ncm-et-4 2019-05-10 02:49 01:17:02 1963846 500 290 17 193 +212.86 +/- 24.46
80909 ncm-et-3 2019-05-10 02:48 01:16:33 1964609 500 301 10 189 +231.21 +/- 24.59
80908 ncm-et-10 2019-05-10 02:48 01:17:00 1968012 500 296 8 196 +228.08 +/- 24.03
80907 ncm-et-15 2019-05-10 02:45 01:17:31 1973440 500 299 14 187 +224.97 +/- 24.84
80906 ncm-et-4 2019-05-10 01:32 01:16:20 1961545 500 302 6 192 +236.51 +/- 24.24
80905 ncm-et-9 2019-05-10 01:32 01:17:05 1969104 500 299 10 191 +229.12 +/- 24.45
80904 ncm-et-3 2019-05-10 01:31 01:15:29 1988465 500 289 13 198 +215.85 +/- 24.03
80903 ncm-et-13 2019-05-10 01:31 01:17:13 1975632 500 301 7 192 +234.38 +/- 24.28
80902 ncm-et-10 2019-05-10 01:30 01:17:00 1975477 500 296 13 191 +222.92 +/- 24.53
80901 ncm-et-15 2019-05-10 01:27 01:17:00 1967266 500 295 7 198 +228.08 +/- 23.85
80900 ncm-et-9 2019-05-10 00:15 01:15:44 1972237 500 300 13 187 +227.04 +/- 24.82
80899 ncm-et-4 2019-05-10 00:14 01:16:05 1963077 500 306 9 185 +237.58 +/- 24.86
80898 ncm-et-3 2019-05-10 00:13 01:16:51 1965072 500 285 15 200 +209.91 +/- 23.94
80897 ncm-et-13 2019-05-10 00:11 01:18:39 1969555 500 297 15 188 +221.9 +/- 24.78
80896 ncm-et-10 2019-05-10 00:11 01:17:24 1971270 500 290 11 199 +218.86 +/- 23.91
80895 ncm-et-15 2019-05-10 00:10 01:15:53 1984080 500 294 8 198 +226.0 +/- 23.89
80894 ncm-et-9 2019-05-09 22:56 01:17:33 1973418 500 284 9 207 +214.85 +/- 23.31
80893 ncm-et-3 2019-05-09 22:56 01:16:21 1967857 500 299 11 190 +228.08 +/- 24.55
80892 ncm-et-4 2019-05-09 22:56 01:17:28 1964919 500 290 14 196 +215.85 +/- 24.2
80891 ncm-et-13 2019-05-09 22:55 01:15:41 1970028 500 304 14 182 +230.16 +/- 25.21
80890 ncm-et-10 2019-05-09 22:53 01:17:19 1965728 500 288 11 201 +216.85 +/- 23.78
80889 ncm-et-15 2019-05-09 22:52 01:17:03 1973273 500 310 10 180 +240.82 +/- 25.27
80888 ncm-et-9 2019-05-09 21:37 01:17:49 1973284 500 329 7 164 +265.78 +/- 26.51
80887 ncm-et-3 2019-05-09 21:37 01:18:15 1968333 500 291 10 199 +220.88 +/- 23.88
80886 ncm-et-4 2019-05-09 21:37 01:18:14 1965226 500 286 18 196 +207.95 +/- 24.27
80885 ncm-et-13 2019-05-09 21:37 01:17:07 1985997 500 283 3 214 +219.87 +/- 22.61
80884 ncm-et-10 2019-05-09 21:34 01:17:23 1976748 500 302 12 186 +230.16 +/- 24.87
80883 ncm-et-15 2019-05-09 21:34 01:17:05 1974680 500 285 11 204 +213.85 +/- 23.58
80882 ncm-et-9 2019-05-09 20:19 01:16:50 1971584 500 296 7 197 +229.12 +/- 23.92
80881 ncm-et-3 2019-05-09 20:19 01:16:34 1962610 500 295 8 197 +227.04 +/- 23.96
80880 ncm-et-13 2019-05-09 20:19 01:16:43 1967232 500 287 15 198 +211.87 +/- 24.08
80879 ncm-et-15 2019-05-09 20:17 01:15:26 1970035 500 276 14 210 +202.15 +/- 23.26
80878 ncm-et-4 2019-05-09 20:17 01:19:03 1932853 500 304 6 190 +238.66 +/- 24.39
80877 ncm-et-10 2019-05-09 20:16 01:17:46 1968318 500 306 9 185 +237.58 +/- 24.86

Commit

Commit ID 8a0af1004ae898f1f7a36a00705548cc255bec28
Author Miguel Lahoz
Date 2019-05-09 16:00:58 UTC
Remove PvNode template from reduction This functional simplification removes the PvNode reduction and adjusts the ttPv lmr condition accordingly. Their definitions only differ by the inclusions of ttPv. Aside from this, shallow move pruning definition will be the only other functional difference, but this does not seem to matter too much. STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 58908 W: 12980 L: 12932 D: 32996 http://tests.stockfishchess.org/tests/view/5cd1aaaa0ebc5925cf046c6a LTC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 20351 W: 3521 L: 3399 D: 13431 http://tests.stockfishchess.org/tests/view/5cd23fa70ebc5925cf047cd2 Bench: 3687854
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