Dev Builds » 20131027-0703

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 05:55:16 1991481 2414 117 1176 1121 -163.51 +/- 10.06
ncm-et-4 05:54:49 1976414 2396 91 1179 1126 -170.19 +/- 9.98
ncm-et-5 01:46:06 2002945 735 34 356 345 -163.25 +/- 18.12
ncm-et-6 01:45:59 2025901 726 28 365 333 -174.63 +/- 18.42
ncm-et-7 01:45:50 2010732 721 30 342 349 -160.95 +/- 17.91
ncm-et-8 01:46:11 1995519 736 35 383 318 -178.48 +/- 19.0
ncm-et-9 05:55:13 1990975 2403 120 1199 1084 -167.98 +/- 10.26
ncm-et-10 05:55:16 1982118 2381 108 1173 1100 -167.22 +/- 10.15
ncm-et-11 01:20:32 2018477 541 27 276 238 -172.9 +/- 21.97
ncm-et-12 01:46:16 1996615 723 20 371 332 -184.18 +/- 18.33
ncm-et-13 05:55:17 1991314 2399 131 1172 1096 -161.46 +/- 10.21
ncm-et-14 01:46:08 2020348 722 44 363 315 -164.86 +/- 19.15
ncm-et-15 05:55:14 1986457 2384 108 1190 1086 -170.09 +/- 10.22
ncm-et-16 01:45:43 2021977 720 34 388 298 -187.01 +/- 19.68
20001 927 9933 9141 -168.52 +/- 3.52

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
100090 ncm-et-10 2019-10-16 21:47 00:22:02 1959549 146 10 66 70 -140.44 +/- 40.65
100089 ncm-et-15 2019-10-16 21:45 00:23:44 1980664 157 11 82 64 -169.37 +/- 42.9
100088 ncm-et-4 2019-10-16 21:44 00:25:31 1987094 172 8 88 76 -175.05 +/- 39.0
100087 ncm-et-3 2019-10-16 21:43 00:25:37 1981096 175 10 81 84 -149.56 +/- 36.94
100086 ncm-et-9 2019-10-16 21:43 00:26:32 1977357 176 4 105 67 -226.97 +/- 41.61
100085 ncm-et-13 2019-10-16 21:42 00:26:33 1975294 175 5 80 90 -159.18 +/- 34.84
100084 ncm-et-15 2019-10-16 20:28 01:15:49 1968794 500 27 238 235 -156.39 +/- 22.03
100083 ncm-et-10 2019-10-16 20:28 01:17:47 1954500 500 29 259 212 -172.78 +/- 23.37
100082 ncm-et-3 2019-10-16 20:28 01:14:22 1970798 500 35 230 235 -143.07 +/- 22.12
100081 ncm-et-9 2019-10-16 20:28 01:13:49 1970962 500 24 239 237 -159.78 +/- 21.87
100080 ncm-et-13 2019-10-16 20:28 01:13:41 1972506 500 21 252 227 -173.67 +/- 22.38
100079 ncm-et-4 2019-10-16 20:24 01:18:15 1942967 500 29 219 252 -138.99 +/- 21.14
100078 ncm-et-15 2019-10-16 19:13 01:13:48 1967080 500 23 253 224 -172.78 +/- 22.59
100077 ncm-et-9 2019-10-16 19:13 01:13:31 1977013 500 26 248 226 -165.8 +/- 22.52
100076 ncm-et-3 2019-10-16 19:13 01:14:12 1972184 500 25 254 221 -171.9 +/- 22.79
100075 ncm-et-10 2019-10-16 19:12 01:15:02 1966304 500 19 237 244 -162.35 +/- 21.38
100074 ncm-et-13 2019-10-16 19:11 01:15:28 1970480 500 29 236 235 -153.02 +/- 22.05
100073 ncm-et-4 2019-10-16 19:10 01:12:51 1983199 500 14 260 226 -187.16 +/- 22.28
100072 ncm-et-4 2019-10-16 17:57 01:12:17 1969561 500 19 229 252 -155.54 +/- 20.94
100071 ncm-et-3 2019-10-16 17:57 01:14:50 1975296 500 19 251 230 -174.55 +/- 22.16
100070 ncm-et-9 2019-10-16 17:57 01:15:19 1969865 500 27 253 220 -169.27 +/- 22.88
100069 ncm-et-10 2019-10-16 17:57 01:14:11 1974264 500 19 254 227 -177.22 +/- 22.34
100068 ncm-et-15 2019-10-16 17:57 01:15:42 1964768 500 21 257 222 -178.11 +/- 22.67
100067 ncm-et-13 2019-10-16 17:57 01:13:23 1982876 500 35 234 231 -146.36 +/- 22.34
29658 ncm-et-11 2018-05-14 03:14 00:06:40 2018071 41 4 21 16 -153.29 +/- 87.74
29657 ncm-et-16 2018-05-14 02:48 00:32:23 2021488 220 11 116 93 -180.47 +/- 35.35
29656 ncm-et-12 2018-05-14 02:48 00:32:31 2021814 223 9 116 98 -181.62 +/- 34.23
29655 ncm-et-7 2018-05-14 02:48 00:32:25 2022795 221 10 101 110 -152.08 +/- 31.95
29654 ncm-et-15 2018-05-14 02:48 00:32:45 2017908 227 13 121 93 -179.8 +/- 35.45
29653 ncm-et-6 2018-05-14 02:48 00:32:39 2028031 226 12 111 103 -163.23 +/- 33.43
29652 ncm-et-4 2018-05-14 02:47 00:32:51 1951240 224 7 132 85 -218.88 +/- 37.01
29651 ncm-et-14 2018-05-14 02:47 00:32:58 2020675 222 10 110 102 -168.6 +/- 33.48
29650 ncm-et-9 2018-05-14 02:47 00:33:00 2026391 227 9 113 105 -171.97 +/- 32.9
29649 ncm-et-13 2018-05-14 02:47 00:33:26 2024917 224 11 112 101 -168.79 +/- 33.75
29648 ncm-et-5 2018-05-14 02:46 00:33:45 1982280 235 6 125 104 -193.82 +/- 32.95
29647 ncm-et-3 2018-05-14 02:46 00:34:17 2026718 239 13 104 122 -139.3 +/- 30.35
29646 ncm-et-10 2018-05-14 02:46 00:34:35 2018883 235 10 113 112 -163.34 +/- 31.79
29645 ncm-et-8 2018-05-14 02:46 00:34:41 1994806 236 10 112 114 -160.72 +/- 31.45
29644 ncm-et-11 2018-05-14 01:59 01:13:52 2018884 500 23 255 222 -174.55 +/- 22.71
29643 ncm-et-16 2018-05-14 01:34 01:13:20 2022466 500 23 272 205 -189.92 +/- 23.75
29642 ncm-et-4 2018-05-14 01:33 01:13:04 2024427 500 14 251 235 -179.0 +/- 21.75
29641 ncm-et-7 2018-05-14 01:33 01:13:25 1998669 500 20 241 239 -164.93 +/- 21.68
29640 ncm-et-6 2018-05-14 01:33 01:13:20 2023772 500 16 254 230 -179.9 +/- 22.09
29639 ncm-et-15 2018-05-14 01:33 01:13:26 2019533 500 13 239 248 -169.27 +/- 20.99
29638 ncm-et-13 2018-05-14 01:33 01:12:46 2021814 500 30 258 212 -171.02 +/- 23.38
29637 ncm-et-8 2018-05-14 01:33 01:11:30 1996233 500 25 271 204 -187.16 +/- 23.83
29636 ncm-et-12 2018-05-14 01:33 01:13:45 1971416 500 11 255 234 -185.33 +/- 21.72
29635 ncm-et-14 2018-05-14 01:33 01:13:10 2020021 500 34 253 213 -163.21 +/- 23.35
29634 ncm-et-3 2018-05-14 01:33 01:11:58 2022794 500 15 256 229 -182.61 +/- 22.13
29633 ncm-et-9 2018-05-14 01:33 01:13:02 2024263 500 30 241 229 -156.39 +/- 22.4
29632 ncm-et-10 2018-05-14 01:33 01:11:39 2019208 500 21 244 235 -166.66 +/- 21.92
29631 ncm-et-5 2018-05-14 01:33 01:12:21 2023610 500 28 231 241 -149.68 +/- 21.71

Commit

Commit ID d454cd42166d71789e8c5a4d099a0c3d96ab517e
Author Matthew Sullivan
Date 2013-10-27 07:03:58 UTC
Fix divide by zero bug in late game If the game got late enough that move_importance(currentPly) * slowMover / 100 rounds to 0, then we ended up dividing 0 by 0 when only looking 1 move ahead. This apparently caused the search to almost immediately abort and Stockfish would blunder in long games. So convert thisMoveImportance to a double. No functional change.
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