Dev Builds » 20141121-1940

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 06:02:18 1987627 2377 166 672 1539 -75.11 +/- 8.11
ncm-et-4 06:01:58 1960511 2349 169 696 1484 -79.3 +/- 8.34
ncm-et-5 01:47:17 2023936 717 60 197 460 -67.21 +/- 14.99
ncm-et-6 01:47:34 2024345 715 55 214 446 -78.57 +/- 15.33
ncm-et-7 01:47:38 1991811 720 47 214 459 -82.08 +/- 14.91
ncm-et-8 01:47:31 1992720 708 61 206 441 -72.18 +/- 15.48
ncm-et-9 06:01:55 1989265 2391 169 677 1545 -74.96 +/- 8.1
ncm-et-10 06:02:17 1985060 2389 164 671 1554 -74.87 +/- 8.05
ncm-et-11 01:47:39 1974505 689 55 193 441 -70.54 +/- 15.3
ncm-et-12 01:47:43 1997831 714 52 204 458 -75.11 +/- 14.95
ncm-et-13 06:02:17 1988446 2364 185 671 1508 -72.46 +/- 8.27
ncm-et-14 01:47:38 2018803 729 52 202 475 -72.52 +/- 14.58
ncm-et-15 06:02:11 1991633 2414 182 682 1550 -73.02 +/- 8.13
ncm-et-16 01:47:48 2021569 724 55 207 462 -74.04 +/- 14.94
20000 1472 5706 12822 -74.68 +/- 2.83

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
83960 ncm-et-4 2019-06-04 04:04 00:21:12 1958503 136 7 38 91 -80.61 +/- 32.64
83959 ncm-et-3 2019-06-04 04:00 00:25:00 1963225 162 10 48 104 -83.04 +/- 31.26
83958 ncm-et-9 2019-06-04 04:00 00:24:51 1976072 166 12 44 110 -67.82 +/- 30.16
83957 ncm-et-13 2019-06-04 03:59 00:25:23 1973898 167 19 55 93 -76.09 +/- 34.94
83956 ncm-et-10 2019-06-04 03:58 00:26:31 1973996 178 14 43 121 -57.11 +/- 28.48
83955 ncm-et-15 2019-06-04 03:56 00:28:25 1975164 191 11 49 131 -70.06 +/- 26.94
83954 ncm-et-4 2019-06-04 02:46 01:16:10 1963534 500 35 133 332 -68.99 +/- 17.29
83953 ncm-et-13 2019-06-04 02:42 01:16:27 1973901 500 27 129 344 -71.89 +/- 16.54
83952 ncm-et-9 2019-06-04 02:42 01:16:51 1967880 500 32 146 322 -80.63 +/- 17.73
83951 ncm-et-3 2019-06-04 02:42 01:17:15 1975047 500 37 136 327 -69.71 +/- 17.57
83950 ncm-et-15 2019-06-04 02:40 01:15:06 1994047 500 30 153 317 -87.26 +/- 17.93
83949 ncm-et-10 2019-06-04 02:39 01:17:42 1964019 500 30 143 327 -79.9 +/- 17.45
83948 ncm-et-9 2019-06-04 01:26 01:14:59 1976850 500 34 140 326 -74.79 +/- 17.57
83947 ncm-et-15 2019-06-04 01:24 01:14:59 1973433 500 36 137 327 -71.16 +/- 17.56
83946 ncm-et-4 2019-06-04 01:24 01:21:31 1877014 500 42 149 309 -75.52 +/- 18.53
83945 ncm-et-3 2019-06-04 01:24 01:16:49 1964304 500 35 135 330 -70.44 +/- 17.39
83944 ncm-et-13 2019-06-04 01:23 01:17:28 1966472 500 51 133 316 -57.5 +/- 18.3
83943 ncm-et-10 2019-06-04 01:23 01:15:07 1960174 500 39 142 319 -72.61 +/- 18.0
83942 ncm-et-4 2019-06-04 00:07 01:15:24 1960473 500 39 160 301 -85.78 +/- 18.87
83941 ncm-et-3 2019-06-04 00:07 01:15:24 1972862 500 37 132 331 -66.82 +/- 17.38
83940 ncm-et-13 2019-06-04 00:07 01:15:19 1967391 500 35 134 331 -69.71 +/- 17.34
83939 ncm-et-10 2019-06-04 00:07 01:15:15 1970171 500 38 135 327 -68.27 +/- 17.59
83938 ncm-et-9 2019-06-04 00:07 01:17:48 1967084 500 44 147 309 -72.61 +/- 18.55
83937 ncm-et-15 2019-06-04 00:07 01:16:17 1969709 500 44 150 306 -74.79 +/- 18.7
19352 ncm-et-11 2018-04-15 19:46 00:29:31 2019208 189 15 47 127 -59.4 +/- 27.97
19351 ncm-et-13 2018-04-15 19:45 00:30:30 2024590 197 14 63 120 -88.27 +/- 29.75
19350 ncm-et-10 2018-04-15 19:44 00:31:09 2021815 211 14 58 139 -73.53 +/- 26.8
19349 ncm-et-8 2018-04-15 19:43 00:32:05 1962158 208 15 65 128 -85.19 +/- 28.73
19348 ncm-et-7 2018-04-15 19:43 00:31:57 2019232 220 16 61 143 -72.08 +/- 26.66
19347 ncm-et-4 2018-04-15 19:43 00:32:26 1979607 213 14 57 142 -71.12 +/- 26.37
19346 ncm-et-6 2018-04-15 19:43 00:32:17 2023773 215 24 61 130 -60.39 +/- 29.02
19345 ncm-et-12 2018-04-15 19:43 00:32:34 2018884 214 14 64 136 -82.7 +/- 27.48
19344 ncm-et-5 2018-04-15 19:43 00:32:18 2023772 217 15 68 134 -86.61 +/- 28.0
19343 ncm-et-15 2018-04-15 19:43 00:32:42 2016933 223 16 53 154 -58.18 +/- 24.94
19342 ncm-et-3 2018-04-15 19:42 00:33:01 2025081 215 11 68 136 -94.36 +/- 27.3
19341 ncm-et-16 2018-04-15 19:42 00:32:58 2021325 224 15 49 160 -53.15 +/- 23.91
19340 ncm-et-9 2018-04-15 19:42 00:32:59 2023282 225 18 63 144 -70.44 +/- 26.81
19339 ncm-et-14 2018-04-15 19:42 00:33:11 2017096 229 15 60 154 -69.17 +/- 25.21
19338 ncm-et-15 2018-04-15 18:27 01:14:42 2020512 500 45 140 315 -66.82 +/- 18.27
19337 ncm-et-8 2018-04-15 18:27 01:15:26 2023282 500 46 141 313 -66.82 +/- 18.38
19336 ncm-et-9 2018-04-15 18:27 01:14:27 2024427 500 29 137 334 -76.25 +/- 17.08
19335 ncm-et-4 2018-04-15 18:27 01:15:15 2023937 500 32 159 309 -90.22 +/- 18.36
19334 ncm-et-11 2018-04-15 18:27 01:18:08 1929803 500 40 146 314 -74.79 +/- 18.25
19333 ncm-et-10 2018-04-15 18:27 01:16:33 2020185 500 29 150 321 -85.78 +/- 17.72
19332 ncm-et-12 2018-04-15 18:27 01:15:09 1976778 500 38 140 322 -71.89 +/- 17.83
19331 ncm-et-14 2018-04-15 18:27 01:14:27 2020511 500 37 142 321 -74.06 +/- 17.87
19330 ncm-et-5 2018-04-15 18:27 01:14:59 2024100 500 45 129 326 -58.93 +/- 17.74
19329 ncm-et-13 2018-04-15 18:27 01:17:10 2024428 500 39 157 304 -83.57 +/- 18.72
19328 ncm-et-7 2018-04-15 18:27 01:15:41 1964390 500 31 153 316 -86.52 +/- 18.0
19327 ncm-et-6 2018-04-15 18:27 01:15:17 2024918 500 31 153 316 -86.52 +/- 18.0
19326 ncm-et-3 2018-04-15 18:27 01:14:49 2025244 500 36 153 311 -82.83 +/- 18.34
19325 ncm-et-16 2018-04-15 18:26 01:14:50 2021814 500 40 158 302 -83.57 +/- 18.83

Commit

Commit ID 84408e5cd68a9323292ddababec4d1183abeef2e
Author Marco Costalba
Date 2014-11-21 19:40:25 UTC
Fix doubled pawns asymmetry When evaluating double pawns we use always lsb() to extract the frontmost square. This breaks evaluation color symmetry as is possible to verify with an instrumented evaluate() Value evaluate(const Position& pos) { Value v = do_evaluate<false>(pos); Position p = pos; p.flip(); assert(v == do_evaluate<false>(p)); return v; } Passed no regression test: STC LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 21035 W: 4244 L: 4122 D: 12669 LTC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 39839 W: 6662 L: 6572 D: 26605 bench: 8255966
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