Dev Builds » 20140127-0718

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 09:42:14 1979136 3929 234 1643 2052 -130.39 +/- 7.37
ncm-et-4 09:42:33 1972497 3902 226 1672 2004 -135.19 +/- 7.47
ncm-et-9 01:14:43 1966474 500 32 228 240 -143.89 +/- 21.82
ncm-et-10 09:42:08 1968021 3897 216 1621 2060 -131.16 +/- 7.33
ncm-et-13 09:42:58 1972738 3895 251 1633 2011 -128.88 +/- 7.47
ncm-et-15 09:42:10 1970229 3877 231 1627 2019 -130.97 +/- 7.43
20000 1190 8424 10386 -131.62 +/- 3.28

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
96369 ncm-et-10 2019-09-17 08:50 00:01:21 1961537 7 0 6 1 -445.23 +/- 480.27
96368 ncm-et-3 2019-09-17 08:50 00:01:29 1980944 8 0 6 2 -337.87 +/- 515.83
96367 ncm-et-13 2019-09-17 07:35 01:15:37 1970180 500 28 232 240 -150.51 +/- 21.77
96366 ncm-et-3 2019-09-17 07:35 01:13:16 1974360 500 29 215 256 -135.76 +/- 20.93
96365 ncm-et-10 2019-09-17 07:35 01:13:21 1977832 500 26 207 267 -131.74 +/- 20.32
96364 ncm-et-9 2019-09-17 07:35 01:14:43 1966474 500 32 228 240 -143.89 +/- 21.82
96363 ncm-et-4 2019-09-17 07:35 01:15:08 1977165 500 25 205 270 -130.94 +/- 20.14
96362 ncm-et-15 2019-09-17 07:35 01:14:59 1972223 500 27 218 255 -139.81 +/- 20.95
95604 ncm-et-15 2019-09-10 12:26 00:56:14 1965694 377 29 157 191 -122.84 +/- 24.43
95603 ncm-et-10 2019-09-10 12:24 00:58:24 1967230 390 21 159 210 -128.49 +/- 22.91
95602 ncm-et-4 2019-09-10 12:23 00:59:23 1976226 402 28 183 191 -141.26 +/- 24.53
95601 ncm-et-13 2019-09-10 12:23 01:00:09 1976227 395 28 154 213 -114.83 +/- 22.9
95600 ncm-et-3 2019-09-10 12:20 01:02:30 1974672 421 33 160 228 -108.17 +/- 22.17
95599 ncm-et-15 2019-09-10 11:10 01:15:21 1969722 500 28 201 271 -125.39 +/- 20.15
95598 ncm-et-10 2019-09-10 11:10 01:13:23 1974233 500 27 215 258 -137.37 +/- 20.8
95597 ncm-et-4 2019-09-10 11:08 01:14:07 1971118 500 23 225 252 -148.85 +/- 21.03
95596 ncm-et-13 2019-09-10 11:07 01:15:00 1968165 500 32 205 263 -125.39 +/- 20.62
95595 ncm-et-3 2019-09-10 11:06 01:13:14 1982690 500 34 193 273 -114.45 +/- 20.16
95594 ncm-et-4 2019-09-10 09:54 01:13:32 1983033 500 25 206 269 -131.74 +/- 20.19
95593 ncm-et-15 2019-09-10 09:53 01:15:33 1965232 500 32 206 262 -126.18 +/- 20.68
95592 ncm-et-10 2019-09-10 09:53 01:16:12 1961843 500 33 198 269 -119.11 +/- 20.34
95591 ncm-et-3 2019-09-10 09:51 01:13:58 1967426 500 23 213 264 -138.99 +/- 20.41
95590 ncm-et-13 2019-09-10 09:50 01:15:34 1973286 500 31 219 250 -137.37 +/- 21.28
95589 ncm-et-15 2019-09-10 08:37 01:14:57 1979044 500 37 212 251 -126.97 +/- 21.3
95588 ncm-et-4 2019-09-10 08:37 01:15:15 1955766 500 30 216 254 -135.76 +/- 21.05
95587 ncm-et-10 2019-09-10 08:36 01:15:26 1965551 500 23 190 287 -120.67 +/- 19.25
95586 ncm-et-3 2019-09-10 08:35 01:14:32 1984882 500 29 206 265 -128.55 +/- 20.47
95585 ncm-et-13 2019-09-10 08:35 01:14:17 1972028 500 40 206 254 -119.89 +/- 21.18
95584 ncm-et-15 2019-09-10 07:21 01:15:17 1966306 500 32 200 268 -121.46 +/- 20.37
95583 ncm-et-3 2019-09-10 07:20 01:13:56 1978410 500 25 221 254 -143.89 +/- 20.97
95582 ncm-et-4 2019-09-10 07:20 01:15:56 1963558 500 35 200 265 -119.11 +/- 20.57
95581 ncm-et-10 2019-09-10 07:20 01:14:59 1972553 500 25 211 264 -135.76 +/- 20.45
95580 ncm-et-13 2019-09-10 07:20 01:13:52 1977948 500 33 206 261 -125.39 +/- 20.74
95579 ncm-et-15 2019-09-10 06:05 01:14:41 1974524 500 27 221 252 -142.26 +/- 21.11
95578 ncm-et-4 2019-09-10 06:05 01:14:04 1973892 500 33 222 245 -138.18 +/- 21.57
95577 ncm-et-10 2019-09-10 06:05 01:14:19 1960938 500 32 206 262 -126.18 +/- 20.68
95576 ncm-et-3 2019-09-10 06:05 01:14:52 1977011 500 31 205 264 -126.18 +/- 20.56
95575 ncm-et-13 2019-09-10 06:04 01:14:27 1972968 500 31 191 278 -115.23 +/- 19.86
95574 ncm-et-15 2019-09-10 04:49 01:15:08 1969089 500 19 212 269 -141.44 +/- 20.05
95573 ncm-et-13 2019-09-10 04:49 01:14:02 1971107 500 28 220 252 -140.62 +/- 21.13
95572 ncm-et-4 2019-09-10 04:49 01:15:08 1979219 500 27 215 258 -137.37 +/- 20.8
95571 ncm-et-10 2019-09-10 04:49 01:14:43 1970479 500 29 229 242 -147.19 +/- 21.67
95570 ncm-et-3 2019-09-10 04:49 01:14:27 1991829 500 30 224 246 -142.26 +/- 21.47

Commit

Commit ID f434cea287d3fae6b719816df0aa89a3d8579fa9
Author Marco Costalba
Date 2014-01-27 07:18:48 UTC
Fix null reduction formula Depth is already dependent on the actual value of ONE_PLY, in particular can be expressed like: Depth = n * ONE_PLY And because formula is used to calculate R that is also dependent on the value of ONE_PLY and can be expressed like: R = x * ONE_PLY We don't want to divide depth by a 'ply' value but directly by an integer number. Spotted by sf-x No functional change.
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