Dev Builds » 20131022-2106

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 05:52:06 1989710 2383 111 1207 1065 -172.75 +/- 10.34
ncm-et-4 05:52:04 1985621 2352 103 1207 1042 -176.94 +/- 10.45
ncm-et-5 01:44:30 2024100 711 30 376 305 -184.71 +/- 19.38
ncm-et-6 01:44:00 2026719 704 36 340 328 -160.56 +/- 18.63
ncm-et-7 01:44:08 2004241 726 28 398 300 -195.34 +/- 19.56
ncm-et-8 01:44:12 1988970 715 27 364 324 -177.81 +/- 18.69
ncm-et-9 05:52:17 1990289 2423 121 1238 1064 -173.22 +/- 10.37
ncm-et-10 05:52:22 1984061 2391 100 1197 1094 -172.26 +/- 10.17
ncm-et-11 01:44:17 2019290 718 33 352 333 -165.92 +/- 18.46
ncm-et-12 01:44:13 2012278 702 26 372 304 -187.56 +/- 19.36
ncm-et-13 05:52:31 1990366 2370 113 1185 1072 -169.41 +/- 10.31
ncm-et-14 01:44:04 2018801 714 20 360 334 -179.99 +/- 18.24
ncm-et-15 05:52:05 1986718 2375 99 1219 1057 -177.92 +/- 10.37
ncm-et-16 01:44:07 2018644 716 35 359 322 -169.5 +/- 18.84
20000 882 10174 8944 -174.82 +/- 3.56

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
100318 ncm-et-4 2019-10-18 16:00 00:22:51 1982165 150 5 64 81 -144.44 +/- 36.54
100317 ncm-et-13 2019-10-18 15:59 00:23:39 1973767 159 11 74 74 -145.63 +/- 39.62
100316 ncm-et-15 2019-10-18 15:58 00:24:40 1966775 163 7 81 75 -170.14 +/- 39.08
100315 ncm-et-3 2019-10-18 15:57 00:25:02 1960772 169 10 85 74 -165.7 +/- 39.69
100314 ncm-et-10 2019-10-18 15:57 00:25:30 1964007 173 8 90 75 -179.0 +/- 39.32
100313 ncm-et-9 2019-10-18 15:54 00:28:15 1972960 186 12 93 81 -162.13 +/- 37.96
100312 ncm-et-4 2019-10-18 14:44 01:14:57 1979664 500 17 256 227 -180.8 +/- 22.29
100311 ncm-et-13 2019-10-18 14:44 01:14:17 1980005 500 27 261 212 -176.33 +/- 23.36
100310 ncm-et-3 2019-10-18 14:42 01:14:10 1975918 500 20 248 232 -171.02 +/- 22.07
100309 ncm-et-10 2019-10-18 14:42 01:13:51 1964012 500 26 239 235 -158.08 +/- 22.01
100308 ncm-et-15 2019-10-18 14:42 01:14:43 1975468 500 24 273 203 -189.92 +/- 23.89
100307 ncm-et-9 2019-10-18 14:41 01:11:53 1974359 500 26 244 230 -162.35 +/- 22.29
100306 ncm-et-4 2019-10-18 13:27 01:15:27 1975774 500 23 256 221 -175.44 +/- 22.76
100305 ncm-et-15 2019-10-18 13:27 01:14:12 1976226 500 20 254 226 -176.33 +/- 22.42
100304 ncm-et-13 2019-10-18 13:27 01:15:56 1966613 500 25 238 237 -158.08 +/- 21.88
100303 ncm-et-3 2019-10-18 13:26 01:14:50 1966460 500 27 237 236 -155.54 +/- 21.97
100302 ncm-et-9 2019-10-18 13:26 01:14:21 1971788 500 23 260 217 -179.0 +/- 23.0
100301 ncm-et-10 2019-10-18 13:26 01:15:17 1957114 500 20 260 220 -181.7 +/- 22.77
100300 ncm-et-15 2019-10-18 12:12 01:14:05 1962770 500 27 243 230 -160.64 +/- 22.3
100299 ncm-et-3 2019-10-18 12:12 01:13:44 1983148 500 22 249 229 -170.15 +/- 22.28
100298 ncm-et-4 2019-10-18 12:11 01:14:42 1972828 500 27 259 214 -174.55 +/- 23.24
100297 ncm-et-10 2019-10-18 12:11 01:13:22 1973477 500 18 245 237 -170.15 +/- 21.74
100296 ncm-et-9 2019-10-18 12:11 01:13:29 1970175 500 23 260 217 -179.0 +/- 23.0
100295 ncm-et-13 2019-10-18 12:11 01:14:13 1970177 500 26 236 238 -155.54 +/- 21.84
29826 ncm-et-4 2018-05-14 13:32 00:29:22 2025245 202 14 105 83 -168.62 +/- 37.59
29825 ncm-et-12 2018-05-14 13:32 00:29:48 2002901 202 5 114 83 -209.71 +/- 37.16
29824 ncm-et-6 2018-05-14 13:31 00:30:04 2025899 204 8 98 98 -164.58 +/- 33.92
29823 ncm-et-5 2018-05-14 13:31 00:30:52 2023773 211 9 114 88 -189.75 +/- 36.31
29822 ncm-et-3 2018-05-14 13:31 00:31:15 2026554 214 11 115 88 -184.41 +/- 36.42
29821 ncm-et-16 2018-05-14 13:31 00:31:12 2016937 216 11 101 104 -154.14 +/- 33.08
29820 ncm-et-15 2018-05-14 13:30 00:31:24 2018721 212 6 102 104 -169.64 +/- 32.61
29819 ncm-et-13 2018-05-14 13:30 00:31:35 2026064 211 10 113 88 -185.4 +/- 36.36
29818 ncm-et-10 2018-05-14 13:30 00:31:50 2019859 218 10 112 96 -176.28 +/- 34.66
29817 ncm-et-11 2018-05-14 13:30 00:31:57 2019859 218 12 106 100 -160.29 +/- 33.94
29816 ncm-et-8 2018-05-14 13:30 00:31:55 1953022 215 6 111 98 -185.5 +/- 33.9
29815 ncm-et-14 2018-05-14 13:30 00:31:51 2019370 214 6 121 87 -208.62 +/- 36.37
29814 ncm-et-7 2018-05-14 13:29 00:32:39 1982250 226 8 114 104 -176.78 +/- 33.01
29813 ncm-et-9 2018-05-14 13:28 00:33:15 2026390 237 10 114 113 -163.56 +/- 31.64
29812 ncm-et-7 2018-05-14 12:17 01:11:29 2026233 500 20 284 196 -204.07 +/- 24.3
29811 ncm-et-16 2018-05-14 12:17 01:12:55 2020351 500 24 258 218 -176.33 +/- 22.96
29810 ncm-et-11 2018-05-14 12:17 01:12:20 2018722 500 21 246 233 -168.4 +/- 22.03
29809 ncm-et-3 2018-05-14 12:16 01:13:05 2025408 500 21 273 206 -192.71 +/- 23.66
29808 ncm-et-4 2018-05-14 12:16 01:14:45 1978050 500 17 267 216 -190.85 +/- 22.96
29807 ncm-et-6 2018-05-14 12:16 01:13:56 2027539 500 28 242 230 -158.93 +/- 22.32
29806 ncm-et-15 2018-05-14 12:16 01:13:01 2020349 500 15 266 219 -191.78 +/- 22.72
29805 ncm-et-12 2018-05-14 12:16 01:14:25 2021655 500 21 258 221 -179.0 +/- 22.73
29804 ncm-et-8 2018-05-14 12:16 01:12:17 2024919 500 21 253 226 -174.55 +/- 22.44
29803 ncm-et-14 2018-05-14 12:16 01:12:13 2018233 500 14 239 247 -168.4 +/- 21.08
29802 ncm-et-9 2018-05-14 12:16 01:11:04 2026063 500 27 267 206 -181.7 +/- 23.73
29801 ncm-et-5 2018-05-14 12:16 01:13:38 2024427 500 21 262 217 -182.61 +/- 22.97
29800 ncm-et-10 2018-05-14 12:16 01:12:32 2025900 500 18 251 231 -175.44 +/- 22.08
29799 ncm-et-13 2018-05-14 12:16 01:12:51 2025572 500 14 263 223 -189.92 +/- 22.46

Commit

Commit ID fbfce2132aff3e8528086fb14ae3fb8ef47c212e
Author Chris Caino
Date 2013-10-22 21:06:06 UTC
Simplify futility margins formula New formula mathces the old formula until d = 45 Test code: int main() { for(int d=1; d<=45; d++) { int a = int(log(double(d * d) / 2) / log(2.0) + 1.001); int b = int(2.9 * log(double(d))); if (a != b) std::cout << d << std::endl; } return 0; } bench: 8455956
Copyright 2011–2024 Next Chess Move LLC