Dev Builds » 20140222-0938

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 05:58:04 1990502 2378 142 975 1261 -127.08 +/- 9.38
ncm-et-4 05:57:52 1972879 2377 138 919 1320 -118.55 +/- 9.09
ncm-et-5 01:45:49 2022466 721 34 283 404 -125.13 +/- 16.32
ncm-et-6 01:46:03 2026062 704 35 319 350 -148.6 +/- 17.9
ncm-et-7 01:45:48 1997636 721 36 307 378 -137.32 +/- 17.1
ncm-et-8 01:45:44 1983902 696 42 294 360 -131.77 +/- 17.64
ncm-et-9 05:57:48 1991566 2382 131 980 1271 -129.52 +/- 9.31
ncm-et-10 05:57:40 1983213 2391 139 975 1277 -126.83 +/- 9.3
ncm-et-11 01:45:34 2007957 717 43 287 387 -123.14 +/- 16.9
ncm-et-12 01:45:31 2005254 710 40 308 362 -137.97 +/- 17.59
ncm-et-13 05:57:19 1988298 2390 157 1011 1222 -129.88 +/- 9.6
ncm-et-14 01:46:01 2019533 707 45 289 373 -125.04 +/- 17.3
ncm-et-15 05:57:33 1988116 2380 141 979 1260 -127.8 +/- 9.38
ncm-et-16 01:46:04 1996099 726 45 301 380 -128.01 +/- 17.15
20000 1168 8227 10605 -128.14 +/- 3.23

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
94860 ncm-et-4 2019-09-02 10:00 00:23:43 1968950 155 16 57 82 -94.14 +/- 37.42
94859 ncm-et-9 2019-09-02 09:59 00:24:26 1977124 159 11 63 85 -117.96 +/- 36.38
94858 ncm-et-3 2019-09-02 09:59 00:24:45 1983303 168 12 71 85 -127.44 +/- 36.67
94857 ncm-et-13 2019-09-02 09:58 00:25:19 1972188 169 16 62 91 -97.01 +/- 35.36
94856 ncm-et-15 2019-09-02 09:56 00:26:49 1981586 174 11 73 90 -129.48 +/- 35.44
94855 ncm-et-10 2019-09-02 09:56 00:27:13 1963855 175 11 69 95 -119.67 +/- 34.23
94854 ncm-et-9 2019-09-02 08:42 01:15:17 1980007 500 31 197 272 -119.89 +/- 20.16
94853 ncm-et-13 2019-09-02 08:42 01:14:44 1969253 500 36 216 248 -130.94 +/- 21.45
94852 ncm-et-3 2019-09-02 08:42 01:15:36 1965226 500 29 204 267 -126.97 +/- 20.37
94851 ncm-et-4 2019-09-02 08:42 01:16:46 1919999 500 24 201 275 -128.55 +/- 19.87
94850 ncm-et-10 2019-09-02 08:40 01:14:30 1967717 500 23 213 264 -138.99 +/- 20.41
94849 ncm-et-15 2019-09-02 08:40 01:15:13 1970644 500 32 203 265 -123.81 +/- 20.52
94848 ncm-et-3 2019-09-02 07:26 01:14:45 1966163 500 26 212 262 -135.76 +/- 20.57
94847 ncm-et-9 2019-09-02 07:26 01:15:39 1962923 500 27 199 274 -124.6 +/- 19.98
94846 ncm-et-13 2019-09-02 07:25 01:16:00 1968495 500 32 216 252 -134.15 +/- 21.19
94845 ncm-et-4 2019-09-02 07:25 01:15:50 1957863 500 31 201 268 -123.02 +/- 20.36
94844 ncm-et-10 2019-09-02 07:24 01:15:09 1961857 500 25 208 267 -133.34 +/- 20.29
94843 ncm-et-15 2019-09-02 07:22 01:16:55 1963545 500 28 199 273 -123.81 +/- 20.05
94842 ncm-et-15 2019-09-02 06:08 01:12:47 1974830 500 31 205 264 -126.18 +/- 20.56
94841 ncm-et-13 2019-09-02 06:08 01:15:32 1970183 500 37 196 267 -114.45 +/- 20.5
94840 ncm-et-9 2019-09-02 06:08 01:16:32 1976070 500 24 222 254 -145.54 +/- 20.95
94839 ncm-et-10 2019-09-02 06:08 01:15:04 1966459 500 35 193 272 -113.68 +/- 20.22
94838 ncm-et-3 2019-09-02 06:08 01:16:54 1976850 500 35 222 243 -136.56 +/- 21.7
94837 ncm-et-4 2019-09-02 06:08 01:15:42 1965689 500 19 177 304 -113.68 +/- 18.31
26660 ncm-et-8 2018-05-05 22:03 00:30:14 1961465 196 11 90 95 -148.46 +/- 34.67
26659 ncm-et-6 2018-05-05 22:03 00:30:55 2026390 204 11 104 89 -170.97 +/- 36.11
26658 ncm-et-3 2018-05-05 22:03 00:31:03 2025410 210 9 80 121 -122.28 +/- 29.61
26657 ncm-et-14 2018-05-05 22:03 00:31:08 2019370 207 13 75 119 -107.35 +/- 30.21
26656 ncm-et-12 2018-05-05 22:02 00:31:14 1991300 210 15 93 102 -135.53 +/- 33.59
26655 ncm-et-15 2018-05-05 22:02 00:31:49 2017582 206 4 86 116 -146.39 +/- 29.86
26654 ncm-et-5 2018-05-05 22:02 00:31:44 2022140 221 8 81 132 -119.23 +/- 27.94
26653 ncm-et-10 2018-05-05 22:01 00:32:25 2019208 216 10 89 117 -133.24 +/- 30.58
26652 ncm-et-9 2018-05-05 22:01 00:32:30 2027047 223 9 94 120 -139.47 +/- 30.13
26651 ncm-et-11 2018-05-05 22:01 00:32:23 2018885 217 13 96 108 -140.01 +/- 32.44
26650 ncm-et-7 2018-05-05 22:01 00:32:37 1971501 221 15 90 116 -122.78 +/- 31.17
26649 ncm-et-4 2018-05-05 22:01 00:32:49 1999694 222 16 92 114 -123.95 +/- 31.58
26648 ncm-et-13 2018-05-05 22:00 00:33:04 2024263 221 6 96 119 -150.2 +/- 29.97
26647 ncm-et-16 2018-05-05 22:00 00:33:28 2008416 226 19 93 114 -118.11 +/- 31.73
26646 ncm-et-12 2018-05-05 20:47 01:14:17 2019209 500 25 215 260 -138.99 +/- 20.65
26645 ncm-et-10 2018-05-05 20:47 01:13:19 2020186 500 35 203 262 -121.46 +/- 20.72
26644 ncm-et-11 2018-05-05 20:47 01:13:11 1997029 500 30 191 279 -116.0 +/- 19.79
26643 ncm-et-4 2018-05-05 20:47 01:13:02 2025083 500 32 191 277 -114.45 +/- 19.92
26642 ncm-et-15 2018-05-05 20:47 01:14:00 2020510 500 35 213 252 -129.35 +/- 21.23
26641 ncm-et-8 2018-05-05 20:47 01:15:30 2006339 500 31 204 265 -125.39 +/- 20.51
26640 ncm-et-9 2018-05-05 20:47 01:13:24 2026227 500 29 205 266 -127.76 +/- 20.42
26639 ncm-et-7 2018-05-05 20:47 01:13:11 2023772 500 21 217 262 -143.89 +/- 20.46
26638 ncm-et-13 2018-05-05 20:47 01:12:40 2025408 500 30 225 245 -143.07 +/- 21.53
26637 ncm-et-16 2018-05-05 20:47 01:12:36 1983783 500 26 208 266 -132.54 +/- 20.37
26636 ncm-et-3 2018-05-05 20:47 01:15:01 2026063 500 31 186 283 -111.37 +/- 19.61
26635 ncm-et-6 2018-05-05 20:47 01:15:08 2025735 500 24 215 261 -139.81 +/- 20.58
26634 ncm-et-5 2018-05-05 20:47 01:14:05 2022793 500 26 202 272 -127.76 +/- 20.06
26633 ncm-et-14 2018-05-05 20:47 01:14:53 2019696 500 32 214 254 -132.54 +/- 21.08

Commit

Commit ID 012f20d66ec08db7c4c908b2ae7ca44553616d25
Author Marco Costalba
Date 2014-02-22 09:38:21 UTC
Fix an assert in Probcut When running the following position: 8/kPp5/2P3p1/p1P1p1P1/2PpPp2/3p1p2/3P1P2/5K2 w - - 0 1 An assert is raised at depth 92: assert(-VALUE_INFINITE <= alpha && alpha < beta && beta <= VALUE_INFINITE); This is because it happens that beta = 29832, so rbeta = 30032 that is > VALUE_INFINITE Bug spotted and analyzed by Uri, fix suggested by Joerg. Other fixes where possible but this one is pointed exactly at the source of the bug, so it is the best from a code documentation point of view. bench: 8430785
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