Dev Builds » 20180718-0614

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 08:41:05 1989422 3333 1649 99 1585 +175.01 +/- 8.36
ncm-et-4 08:40:22 1989539 3360 1696 109 1555 +178.25 +/- 8.48
ncm-et-9 08:41:17 1989106 3362 1694 79 1589 +181.87 +/- 8.32
ncm-et-10 08:48:11 1942217 3266 1703 80 1483 +189.43 +/- 8.65
ncm-et-13 08:40:00 1980080 3334 1684 90 1560 +180.85 +/- 8.43
ncm-et-15 08:43:29 1973191 3345 1743 101 1501 +186.65 +/- 8.64
20000 10169 558 9273 +181.95 +/- 3.46

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
49266 ncm-et-10 2018-08-10 15:50 00:20:18 1948837 123 62 6 55 +170.71 +/- 45.96
49265 ncm-et-13 2018-08-10 15:43 00:27:09 1943833 168 87 6 75 +182.67 +/- 39.07
49264 ncm-et-4 2018-08-10 15:42 00:27:23 1989558 180 94 5 81 +188.28 +/- 37.38
49263 ncm-et-3 2018-08-10 15:42 00:27:39 1990035 174 86 7 81 +170.16 +/- 37.5
49262 ncm-et-15 2018-08-10 15:42 00:27:54 1955323 174 83 6 85 +165.16 +/- 36.28
49261 ncm-et-9 2018-08-10 15:41 00:27:53 1991932 180 99 2 79 +209.36 +/- 37.49
49260 ncm-et-10 2018-08-10 14:23 01:25:43 1853072 500 267 18 215 +189.92 +/- 23.04
49259 ncm-et-3 2018-08-10 14:23 01:18:24 1988455 500 246 10 244 +178.11 +/- 21.12
49258 ncm-et-13 2018-08-10 14:23 01:18:57 1968286 500 245 11 244 +176.33 +/- 21.15
49257 ncm-et-4 2018-08-10 14:23 01:18:33 1987823 500 270 18 212 +192.71 +/- 23.23
49256 ncm-et-15 2018-08-10 14:23 01:18:14 1982008 500 251 10 239 +182.61 +/- 21.4
49255 ncm-et-9 2018-08-10 14:22 01:17:53 1987509 500 253 13 234 +181.7 +/- 21.78
49212 ncm-et-10 2018-08-10 04:21 01:21:36 1957540 500 265 5 230 +200.24 +/- 21.72
49211 ncm-et-15 2018-08-10 04:21 01:17:06 1968940 500 253 15 232 +179.9 +/- 21.95
49210 ncm-et-9 2018-08-10 04:19 01:17:49 1988612 500 248 6 246 +183.51 +/- 20.85
49209 ncm-et-3 2018-08-10 04:18 01:17:39 1989561 500 229 15 256 +158.93 +/- 20.62
49208 ncm-et-4 2018-08-10 04:18 01:17:15 1988770 500 272 12 216 +200.24 +/- 22.83
49207 ncm-et-13 2018-08-10 04:17 01:17:59 1987668 500 255 18 227 +179.0 +/- 22.32
49206 ncm-et-4 2018-08-10 03:00 01:17:22 1991139 500 242 26 232 +160.64 +/- 22.18
49205 ncm-et-13 2018-08-10 02:59 01:16:34 1988138 500 248 17 235 +173.67 +/- 21.83
49204 ncm-et-3 2018-08-10 02:59 01:17:40 1989717 500 237 18 245 +163.21 +/- 21.3
49203 ncm-et-10 2018-08-10 02:59 01:20:54 1919470 500 249 8 243 +182.61 +/- 21.1
49202 ncm-et-15 2018-08-10 02:59 01:20:30 1951068 500 260 16 224 +185.33 +/- 22.45
49201 ncm-et-9 2018-08-10 02:59 01:18:08 1988769 500 249 7 244 +183.51 +/- 21.0
46463 ncm-et-10 2018-07-19 06:02 00:22:29 1954525 143 78 1 64 +209.15 +/- 41.45
46462 ncm-et-3 2018-07-19 05:59 00:24:40 1987508 159 81 2 76 +189.39 +/- 37.87
46461 ncm-et-13 2018-07-19 05:59 00:24:53 1988771 166 92 5 69 +202.2 +/- 40.89
46460 ncm-et-15 2018-07-19 05:57 00:27:00 1981071 171 97 10 64 +194.94 +/- 42.94
46459 ncm-et-9 2018-07-19 05:56 00:28:21 1990981 182 86 6 90 +163.88 +/- 35.15
46458 ncm-et-4 2018-07-19 05:55 00:28:56 1988928 180 92 3 85 +188.28 +/- 35.98
46457 ncm-et-13 2018-07-19 04:40 01:18:13 1988298 500 244 13 243 +173.67 +/- 21.27
46456 ncm-et-3 2018-07-19 04:40 01:18:40 1990033 500 263 19 218 +185.33 +/- 22.87
46455 ncm-et-10 2018-07-19 04:39 01:21:05 1942000 500 266 17 217 +189.92 +/- 22.89
46454 ncm-et-15 2018-07-19 04:38 01:18:18 1982636 500 258 17 225 +182.61 +/- 22.41
46453 ncm-et-4 2018-07-19 04:38 01:16:21 1990032 500 243 21 236 +165.8 +/- 21.86
46452 ncm-et-9 2018-07-19 04:38 01:16:55 1987824 500 244 18 238 +169.27 +/- 21.69
46451 ncm-et-13 2018-07-19 03:21 01:17:31 1986878 500 258 11 231 +188.08 +/- 21.89
46450 ncm-et-3 2018-07-19 03:21 01:17:37 1992247 500 246 14 240 +174.55 +/- 21.47
46449 ncm-et-9 2018-07-19 03:20 01:16:02 1988612 500 254 11 235 +184.42 +/- 21.66
46448 ncm-et-10 2018-07-19 03:20 01:18:09 1981225 500 264 13 223 +191.78 +/- 22.43
46447 ncm-et-15 2018-07-19 03:19 01:17:42 1981226 500 273 14 213 +199.29 +/- 23.07
46446 ncm-et-4 2018-07-19 03:18 01:18:14 1989874 500 236 11 253 +168.4 +/- 20.66
46445 ncm-et-13 2018-07-19 02:02 01:18:44 1988769 500 255 9 236 +187.16 +/- 21.53
46444 ncm-et-15 2018-07-19 02:01 01:16:45 1983263 500 268 13 219 +195.51 +/- 22.67
46443 ncm-et-9 2018-07-19 02:01 01:18:16 1988612 500 261 16 223 +186.25 +/- 22.51
46442 ncm-et-3 2018-07-19 02:01 01:18:46 1987824 500 261 14 225 +188.08 +/- 22.34
46441 ncm-et-10 2018-07-19 02:01 01:17:57 1981068 500 252 12 236 +181.7 +/- 21.63
46440 ncm-et-4 2018-07-19 02:01 01:16:18 1990190 500 247 13 240 +176.33 +/- 21.44

Commit

Commit ID e0f317afaad77bdc265a586f06a30066b5129e4f
Author Gian-Carlo Pascutto
Date 2018-07-18 06:14:57 UTC
Allow Position::init() to be called multiple times. For the rationale to allow this, see commit a66c73deef420104e74b6645ee60e20b37fd8549 This was broken when cuckoo hashing was added, and subtly broke (for example) lichess' Android application, thus illustrating the original judgement was sound. No functional change.
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