Dev Builds » 20130824-0808

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 05:50:12 1991942 2407 94 1334 979 -197.95 +/- 10.83
ncm-et-4 05:50:25 1978912 2372 86 1347 939 -205.82 +/- 11.06
ncm-et-5 01:44:19 2009884 696 27 379 290 -193.52 +/- 19.89
ncm-et-6 01:44:14 2026884 728 21 413 294 -209.15 +/- 19.71
ncm-et-7 01:44:20 2019163 723 26 428 269 -217.86 +/- 20.75
ncm-et-8 01:43:51 1989347 694 21 393 280 -207.96 +/- 20.21
ncm-et-9 05:50:24 1990310 2404 93 1363 948 -204.21 +/- 11.02
ncm-et-10 05:50:15 1982196 2375 103 1319 953 -196.45 +/- 10.99
ncm-et-11 01:44:14 2020184 720 15 428 277 -226.84 +/- 20.28
ncm-et-12 01:44:25 2008756 719 19 428 272 -224.38 +/- 20.55
ncm-et-13 05:49:54 1990230 2348 93 1300 955 -197.42 +/- 10.96
ncm-et-14 01:44:05 2017665 710 25 416 269 -215.2 +/- 20.73
ncm-et-15 05:49:52 1987348 2399 89 1377 933 -208.38 +/- 11.11
ncm-et-16 01:43:57 1995899 705 22 419 264 -221.45 +/- 20.91
20000 734 11344 7922 -205.28 +/- 3.81

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
103182 ncm-et-13 2019-11-09 11:47 00:22:47 1978765 149 8 90 51 -215.01 +/- 48.26
103181 ncm-et-4 2019-11-09 11:46 00:23:27 1987539 154 6 90 58 -212.59 +/- 45.06
103180 ncm-et-10 2019-11-09 11:46 00:23:57 1969954 158 13 89 56 -182.16 +/- 45.81
103179 ncm-et-9 2019-11-09 11:44 00:25:57 1968314 178 6 95 77 -190.85 +/- 38.62
103178 ncm-et-15 2019-11-09 11:43 00:26:03 1969713 179 8 98 73 -192.14 +/- 39.99
103177 ncm-et-3 2019-11-09 11:42 00:27:21 1969096 182 7 103 72 -203.82 +/- 40.27
103176 ncm-et-4 2019-11-09 10:32 01:12:53 1967694 500 19 295 186 -215.85 +/- 24.99
103175 ncm-et-13 2019-11-09 10:31 01:14:53 1969256 500 19 273 208 -194.57 +/- 23.5
103174 ncm-et-10 2019-11-09 10:31 01:13:38 1966463 500 21 292 187 -210.89 +/- 24.94
103173 ncm-et-15 2019-11-09 10:30 01:12:25 1982708 500 17 287 196 -209.91 +/- 24.25
103172 ncm-et-9 2019-11-09 10:29 01:13:32 1980515 500 21 274 205 -193.64 +/- 23.72
103171 ncm-et-3 2019-11-09 10:28 01:13:12 1970810 500 14 269 217 -195.51 +/- 22.82
103170 ncm-et-15 2019-11-09 09:16 01:13:05 1971567 500 20 293 187 -212.86 +/- 24.93
103169 ncm-et-13 2019-11-09 09:16 01:14:09 1966007 500 19 288 193 -208.93 +/- 24.49
103168 ncm-et-10 2019-11-09 09:15 01:14:32 1962322 500 22 267 211 -186.25 +/- 23.36
103167 ncm-et-3 2019-11-09 09:15 01:11:58 1981145 500 28 274 198 -187.16 +/- 24.24
103166 ncm-et-4 2019-11-09 09:15 01:16:13 1946048 500 27 282 191 -195.51 +/- 24.7
103165 ncm-et-9 2019-11-09 09:15 01:12:54 1973273 500 17 279 204 -202.15 +/- 23.72
103164 ncm-et-13 2019-11-09 08:01 01:14:00 1975558 500 22 265 213 -184.42 +/- 23.23
103163 ncm-et-15 2019-11-09 08:01 01:14:09 1961843 500 22 284 194 -202.15 +/- 24.46
103162 ncm-et-3 2019-11-09 08:01 01:13:32 1977163 500 24 285 191 -201.19 +/- 24.68
103161 ncm-et-4 2019-11-09 08:00 01:13:34 1960046 500 14 271 215 -197.4 +/- 22.95
103160 ncm-et-10 2019-11-09 08:00 01:13:51 1961383 500 19 270 211 -191.78 +/- 23.31
103159 ncm-et-9 2019-11-09 08:00 01:13:36 1966163 500 24 298 178 -213.85 +/- 25.6
31786 ncm-et-8 2018-05-19 14:32 00:27:03 2022793 194 9 116 69 -215.62 +/- 41.35
31785 ncm-et-5 2018-05-19 14:29 00:29:34 2023446 196 6 110 80 -205.33 +/- 37.99
31784 ncm-et-13 2018-05-19 14:29 00:29:37 2026390 199 8 121 70 -223.86 +/- 41.04
31783 ncm-et-16 2018-05-19 14:29 00:29:50 2021488 205 8 124 73 -222.85 +/- 40.15
31782 ncm-et-14 2018-05-19 14:27 00:31:15 2016611 210 7 133 70 -240.82 +/- 41.05
31781 ncm-et-11 2018-05-19 14:27 00:31:27 2020673 220 6 127 87 -214.85 +/- 36.43
31780 ncm-et-9 2018-05-19 14:27 00:31:41 2027210 226 11 127 88 -197.05 +/- 36.47
31779 ncm-et-4 2018-05-19 14:27 00:31:52 1988209 218 9 115 94 -184.53 +/- 35.02
31778 ncm-et-7 2018-05-19 14:27 00:32:05 2020032 223 5 132 86 -224.72 +/- 36.61
31777 ncm-et-15 2018-05-19 14:26 00:32:00 2017746 220 6 130 84 -221.71 +/- 37.16
31776 ncm-et-10 2018-05-19 14:26 00:32:27 2017420 217 9 122 86 -200.59 +/- 36.82
31775 ncm-et-12 2018-05-19 14:26 00:32:32 1997166 219 6 135 78 -234.93 +/- 38.72
31774 ncm-et-6 2018-05-19 14:26 00:32:44 2027541 228 6 128 94 -207.5 +/- 34.91
31773 ncm-et-3 2018-05-19 14:26 00:33:01 2027048 225 8 133 84 -217.63 +/- 37.3
31772 ncm-et-8 2018-05-19 13:14 01:16:48 1955901 500 12 277 211 -205.04 +/- 23.15
31771 ncm-et-16 2018-05-19 13:14 01:14:07 1970310 500 14 295 191 -220.88 +/- 24.55
31770 ncm-et-13 2018-05-19 13:13 01:14:28 2025408 500 17 263 220 -187.16 +/- 22.71
31769 ncm-et-3 2018-05-19 13:13 01:11:08 2026391 500 13 270 217 -197.4 +/- 22.8
31768 ncm-et-5 2018-05-19 13:13 01:14:45 1996322 500 21 269 210 -189.0 +/- 23.4
31767 ncm-et-14 2018-05-19 13:13 01:12:50 2018720 500 18 283 199 -205.04 +/- 24.07
31766 ncm-et-10 2018-05-19 13:13 01:11:50 2015636 500 19 279 202 -200.24 +/- 23.89
31765 ncm-et-7 2018-05-19 13:13 01:12:15 2018294 500 21 296 183 -214.85 +/- 25.22
31764 ncm-et-6 2018-05-19 13:13 01:11:30 2026227 500 15 285 200 -209.91 +/- 23.94
31763 ncm-et-15 2018-05-19 13:13 01:12:10 2020513 500 16 285 199 -208.93 +/- 24.03
31762 ncm-et-4 2018-05-19 13:13 01:12:26 2023936 500 11 294 195 -222.92 +/- 24.19
31761 ncm-et-11 2018-05-19 13:13 01:12:47 2019696 500 9 301 190 -232.26 +/- 24.49
31760 ncm-et-12 2018-05-19 13:13 01:11:53 2020347 500 13 293 194 -219.87 +/- 24.31
31759 ncm-et-9 2018-05-19 13:13 01:12:44 2026390 500 14 290 196 -215.85 +/- 24.2

Commit

Commit ID 5e331f9618a0a6dcab888cf17898feaa914ff37c
Author Chris Caino
Date 2013-08-24 08:08:03 UTC
Fix KBPK bug With position fen 7k/8/8/8/8/7P/6K1/7B w - - 0 1 go depth 25 The evaluation at depth 22 is not draw as it should be. The reason is that when search reaches the position 8/6kP/8/8/8/3B4/6K1/8 w - - 0 1 if white plays h8R or h8N then we get a position that is a "KNOWN_WIN" and is _not_ a check, so futility pruning in qsearch kicks in and black may think that it is "futile" to reply Kxh8 since, according to the logic of the code, it cannot raise the score back towards a draw. bench: 4728533
Copyright 2011–2024 Next Chess Move LLC