Dev Builds » 20131109-0917

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 06:02:36 1987851 2450 112 1207 1131 -167.07 +/- 10.01
ncm-et-4 06:02:49 1984378 2426 128 1184 1114 -162.04 +/- 10.11
ncm-et-5 01:53:22 2023139 774 39 389 346 -169.36 +/- 18.19
ncm-et-6 01:53:28 2025491 764 25 384 355 -177.17 +/- 17.76
ncm-et-7 01:53:42 2010331 774 41 357 376 -150.62 +/- 17.34
ncm-et-8 01:53:38 2008656 761 29 358 374 -160.78 +/- 17.24
ncm-et-9 06:02:22 1989782 2436 119 1191 1126 -164.1 +/- 10.04
ncm-et-10 06:02:22 1986049 2444 111 1128 1205 -153.91 +/- 9.63
ncm-et-12 01:53:41 2010478 766 40 372 354 -161.25 +/- 17.95
ncm-et-13 06:02:35 1992124 2419 133 1174 1112 -159.93 +/- 10.13
ncm-et-14 01:53:27 2018965 770 35 382 353 -168.69 +/- 17.94
ncm-et-15 06:02:28 1989683 2443 129 1134 1180 -151.92 +/- 9.78
ncm-et-16 01:53:33 2000231 773 32 398 343 -178.77 +/- 18.22
20000 973 9658 9369 -161.6 +/- 3.48

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
99826 ncm-et-4 2019-10-14 23:17 00:24:36 1971731 158 3 86 69 -202.78 +/- 40.44
99825 ncm-et-10 2019-10-14 23:17 00:25:08 1966460 169 6 71 92 -140.87 +/- 34.26
99824 ncm-et-9 2019-10-14 23:17 00:25:24 1971873 162 11 78 73 -152.84 +/- 39.96
99823 ncm-et-13 2019-10-14 23:17 00:25:24 1981880 168 9 73 86 -139.38 +/- 36.18
99822 ncm-et-15 2019-10-14 23:16 00:25:55 1963842 172 7 80 85 -157.41 +/- 36.35
99821 ncm-et-3 2019-10-14 23:16 00:26:03 1959237 171 8 83 80 -163.47 +/- 37.82
99820 ncm-et-15 2019-10-14 22:02 01:13:28 1976943 500 25 226 249 -148.02 +/- 21.23
99819 ncm-et-4 2019-10-14 22:01 01:15:01 1972506 500 25 242 233 -161.49 +/- 22.11
99818 ncm-et-9 2019-10-14 22:01 01:14:23 1974825 500 23 240 237 -161.49 +/- 21.85
99817 ncm-et-10 2019-10-14 22:01 01:14:44 1966459 500 26 224 250 -145.54 +/- 21.2
99816 ncm-et-13 2019-10-14 22:01 01:14:33 1973744 500 23 238 239 -159.78 +/- 21.74
99815 ncm-et-3 2019-10-14 21:59 01:15:55 1981745 500 21 250 229 -171.9 +/- 22.26
99814 ncm-et-4 2019-10-14 20:46 01:13:59 1973583 500 23 231 246 -153.86 +/- 21.35
99813 ncm-et-13 2019-10-14 20:46 01:14:06 1972820 500 35 235 230 -147.19 +/- 22.39
99812 ncm-et-15 2019-10-14 20:46 01:14:57 1968481 500 28 230 242 -148.85 +/- 21.66
99811 ncm-et-9 2019-10-14 20:45 01:14:51 1973130 500 27 233 240 -152.18 +/- 21.75
99810 ncm-et-10 2019-10-14 20:45 01:15:22 1971179 500 31 226 243 -143.07 +/- 21.65
99809 ncm-et-3 2019-10-14 20:44 01:14:16 1973584 500 29 262 209 -175.44 +/- 23.56
99808 ncm-et-9 2019-10-14 19:30 01:14:15 1967882 500 22 243 235 -164.93 +/- 21.94
99807 ncm-et-10 2019-10-14 19:30 01:13:44 1970852 500 17 248 235 -173.67 +/- 21.83
99806 ncm-et-4 2019-10-14 19:30 01:15:28 1977162 500 35 228 237 -141.44 +/- 22.02
99805 ncm-et-13 2019-10-14 19:30 01:14:59 1972499 500 24 253 223 -171.9 +/- 22.66
99804 ncm-et-15 2019-10-14 19:30 01:14:52 1990904 500 28 230 242 -148.85 +/- 21.66
99803 ncm-et-3 2019-10-14 19:30 01:12:49 1961564 500 27 233 240 -152.18 +/- 21.75
29370 ncm-et-14 2018-05-13 05:38 00:38:50 2018560 270 8 139 123 -184.05 +/- 30.26
29369 ncm-et-13 2018-05-13 05:38 00:38:58 2023773 251 15 127 109 -166.76 +/- 32.65
29368 ncm-et-6 2018-05-13 05:38 00:38:52 2025246 264 12 132 120 -170.39 +/- 30.88
29367 ncm-et-15 2018-05-13 05:38 00:38:54 2019698 271 8 122 141 -155.82 +/- 27.74
29366 ncm-et-8 2018-05-13 05:38 00:39:25 1994356 261 7 129 125 -176.07 +/- 29.79
29365 ncm-et-12 2018-05-13 05:38 00:39:27 2005479 266 13 129 124 -162.39 +/- 30.35
29364 ncm-et-9 2018-05-13 05:37 00:39:46 2026883 274 15 147 112 -182.5 +/- 32.26
29363 ncm-et-4 2018-05-13 05:37 00:40:00 1987515 268 14 134 120 -167.43 +/- 30.99
29362 ncm-et-16 2018-05-13 05:37 00:39:51 1977996 273 11 146 116 -188.31 +/- 31.51
29361 ncm-et-7 2018-05-13 05:37 00:40:01 1995582 274 20 124 130 -138.82 +/- 29.79
29360 ncm-et-3 2018-05-13 05:37 00:40:23 2026063 279 8 132 139 -165.99 +/- 28.12
29359 ncm-et-5 2018-05-13 05:36 00:40:25 2021033 274 18 142 114 -169.52 +/- 32.0
29358 ncm-et-10 2018-05-13 05:36 00:41:05 2021814 275 11 133 131 -165.64 +/- 29.34
29357 ncm-et-10 2018-05-13 04:23 01:12:19 2019534 500 20 226 254 -152.18 +/- 20.86
29356 ncm-et-14 2018-05-13 04:22 01:14:37 2019370 500 27 243 230 -160.64 +/- 22.3
29355 ncm-et-5 2018-05-13 04:22 01:12:57 2025245 500 21 247 232 -169.27 +/- 22.09
29354 ncm-et-13 2018-05-13 04:22 01:14:35 2028030 500 27 248 225 -164.93 +/- 22.59
29353 ncm-et-9 2018-05-13 04:22 01:13:43 2024100 500 21 250 229 -171.9 +/- 22.26
29352 ncm-et-15 2018-05-13 04:22 01:14:22 2018232 500 33 246 221 -158.08 +/- 22.88
29351 ncm-et-8 2018-05-13 04:22 01:14:13 2022956 500 22 229 249 -153.02 +/- 21.17
29350 ncm-et-3 2018-05-13 04:22 01:13:10 2024917 500 19 247 234 -171.02 +/- 21.93
29349 ncm-et-12 2018-05-13 04:22 01:14:14 2015478 500 27 243 230 -160.64 +/- 22.3
29348 ncm-et-4 2018-05-13 04:22 01:13:45 2023773 500 28 263 209 -177.22 +/- 23.55
29347 ncm-et-6 2018-05-13 04:22 01:14:36 2025736 500 13 252 235 -180.8 +/- 21.72
29346 ncm-et-16 2018-05-13 04:22 01:13:42 2022467 500 21 252 227 -173.67 +/- 22.38
29345 ncm-et-7 2018-05-13 04:22 01:13:41 2025081 500 21 233 246 -157.24 +/- 21.31

Commit

Commit ID eed508b4445057cd26bfb95ab5cd754ac96629fd
Author Lucas Braesch
Date 2013-11-09 09:17:27 UTC
Futility pruning simplification 1/ eval margin and gains removed: 16bit are now free on TT entries, due to the removal of eval margin. may be useful in the future :) gains removed: use instead by Value(128). search() and qsearch() are now consistent in this regard. 2/ futility_margin() linear formula instead of complex (log(depth), movecount) formula. 3/ unify pre & post futility pruning pre futility pruning used depth < 7 plies, while post futility pruning used depth < 4 plies. Now it's always depth < 7. Tested with fixed number of games both at short TC: ELO: 0.82 +-2.1 (95%) LOS: 77.3% Total: 40000 W: 7939 L: 7845 D: 24216 And long TC ELO: 0.59 +-2.0 (95%) LOS: 71.9% Total: 40000 W: 6876 L: 6808 D: 26316 bench 7243575
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