Dev Builds » 20150216-0134

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 05:59:44 1990332 2405 177 634 1594 -66.83 +/- 7.91
ncm-et-4 06:00:02 1975240 2366 191 579 1596 -57.5 +/- 7.86
ncm-et-5 01:46:57 2016478 717 52 191 474 -68.22 +/- 14.51
ncm-et-6 01:46:55 2026308 722 59 177 486 -57.3 +/- 14.27
ncm-et-7 01:46:54 2002022 713 53 197 463 -71.15 +/- 14.81
ncm-et-8 01:47:03 1887128 655 43 166 446 -66.03 +/- 14.7
ncm-et-9 06:00:09 1988946 2394 170 609 1615 -64.44 +/- 7.78
ncm-et-10 05:59:45 1979942 2383 158 628 1597 -69.43 +/- 7.83
ncm-et-11 01:47:07 2007942 704 46 198 460 -76.21 +/- 14.75
ncm-et-12 01:47:10 2019051 713 54 180 479 -62.05 +/- 14.35
ncm-et-13 06:00:03 1995322 2429 171 615 1643 -64.23 +/- 7.7
ncm-et-14 01:47:09 2017423 722 57 176 489 -57.79 +/- 14.17
ncm-et-15 05:59:14 1988964 2354 187 578 1589 -58.25 +/- 7.87
ncm-et-16 01:47:03 2010407 723 48 196 479 -72.14 +/- 14.38
20000 1466 5124 13410 -64.27 +/- 2.71

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
79172 ncm-et-4 2019-04-26 08:48 00:22:02 1961688 146 7 32 107 -60.08 +/- 28.38
79171 ncm-et-15 2019-04-26 08:47 00:23:09 1967092 147 12 44 91 -76.86 +/- 34.18
79170 ncm-et-10 2019-04-26 08:45 00:24:58 1966462 165 9 45 111 -77.04 +/- 29.52
79169 ncm-et-9 2019-04-26 08:45 00:25:13 1974516 165 10 39 116 -61.71 +/- 28.29
79168 ncm-et-3 2019-04-26 08:42 00:27:16 1972072 178 11 52 115 -81.49 +/- 29.65
79167 ncm-et-13 2019-04-26 08:41 00:29:15 1984275 198 14 47 137 -58.45 +/- 26.41
79166 ncm-et-15 2019-04-26 07:30 01:15:58 1966004 500 42 102 356 -41.89 +/- 16.17
79165 ncm-et-4 2019-04-26 07:29 01:18:15 1919343 500 40 131 329 -63.95 +/- 17.52
79164 ncm-et-10 2019-04-26 07:28 01:15:46 1960929 500 37 128 335 -63.95 +/- 17.18
79163 ncm-et-9 2019-04-26 07:27 01:16:33 1973745 500 37 117 346 -56.07 +/- 16.62
79162 ncm-et-3 2019-04-26 07:27 01:14:47 1973960 500 40 140 320 -70.44 +/- 17.96
79161 ncm-et-13 2019-04-26 07:24 01:15:25 1974363 500 35 139 326 -73.34 +/- 17.59
79160 ncm-et-4 2019-04-26 06:13 01:14:41 1963070 500 48 123 329 -52.51 +/- 17.63
79159 ncm-et-3 2019-04-26 06:12 01:13:56 1984990 500 38 122 340 -58.93 +/- 16.94
79158 ncm-et-10 2019-04-26 06:11 01:15:35 1959694 500 24 129 347 -74.06 +/- 16.32
79157 ncm-et-15 2019-04-26 06:11 01:17:11 1989273 500 41 136 323 -66.82 +/- 17.83
79156 ncm-et-9 2019-04-26 06:09 01:16:41 1968008 500 35 125 340 -63.23 +/- 16.89
79155 ncm-et-13 2019-04-26 06:09 01:14:34 1984888 500 31 125 344 -66.1 +/- 16.62
79154 ncm-et-15 2019-04-26 04:54 01:16:04 1972514 500 32 125 343 -65.38 +/- 16.69
79153 ncm-et-4 2019-04-26 04:54 01:17:54 1956197 500 33 116 351 -58.21 +/- 16.3
79152 ncm-et-9 2019-04-26 04:54 01:14:32 1967080 500 29 141 330 -79.17 +/- 17.28
79151 ncm-et-3 2019-04-26 04:54 01:16:45 1965225 500 33 123 344 -63.23 +/- 16.66
79150 ncm-et-10 2019-04-26 04:54 01:16:40 1957561 500 36 132 332 -67.55 +/- 17.31
79149 ncm-et-13 2019-04-26 04:54 01:13:45 1975137 500 34 128 338 -66.1 +/- 16.98
16752 ncm-et-8 2018-04-08 12:05 00:25:26 1897854 155 6 46 103 -91.73 +/- 30.48
16751 ncm-et-11 2018-04-08 11:59 00:31:03 2018886 204 14 54 136 -69.02 +/- 26.99
16750 ncm-et-15 2018-04-08 11:59 00:31:09 2020023 207 18 49 140 -52.43 +/- 26.63
16749 ncm-et-12 2018-04-08 11:59 00:31:42 2021651 213 13 59 141 -76.23 +/- 26.48
16748 ncm-et-7 2018-04-08 11:58 00:31:48 1981242 213 14 62 137 -79.66 +/- 27.26
16747 ncm-et-5 2018-04-08 11:58 00:32:02 2022961 217 18 51 148 -53.25 +/- 25.75
16746 ncm-et-14 2018-04-08 11:58 00:32:16 2017746 222 17 54 151 -58.45 +/- 25.45
16745 ncm-et-16 2018-04-08 11:57 00:32:53 2020999 223 12 58 153 -72.71 +/- 24.86
16744 ncm-et-10 2018-04-08 11:57 00:32:56 2018235 218 14 68 136 -87.89 +/- 27.64
16743 ncm-et-3 2018-04-08 11:57 00:33:03 2022794 227 13 70 144 -89.15 +/- 26.6
16742 ncm-et-6 2018-04-08 11:57 00:33:10 2026226 222 21 62 139 -64.91 +/- 27.64
16741 ncm-et-13 2018-04-08 11:57 00:33:26 2026226 231 14 60 157 -70.12 +/- 24.76
16740 ncm-et-4 2018-04-08 11:57 00:33:42 2024427 220 20 52 148 -50.9 +/- 26.0
16739 ncm-et-9 2018-04-08 11:56 00:33:44 2023610 229 14 57 158 -66.02 +/- 24.5
16738 ncm-et-7 2018-04-08 10:42 01:15:06 2022802 500 39 135 326 -67.55 +/- 17.65
16737 ncm-et-10 2018-04-08 10:42 01:13:50 2016771 500 38 126 336 -61.79 +/- 17.14
16736 ncm-et-16 2018-04-08 10:42 01:14:10 1999816 500 36 138 326 -71.89 +/- 17.61
16735 ncm-et-6 2018-04-08 10:42 01:13:45 2026390 500 38 115 347 -53.93 +/- 16.59
16734 ncm-et-8 2018-04-08 10:42 01:21:37 1876402 500 37 120 343 -58.21 +/- 16.77
16733 ncm-et-5 2018-04-08 10:42 01:14:55 2009996 500 34 140 326 -74.79 +/- 17.57
16732 ncm-et-11 2018-04-08 10:42 01:16:04 1996998 500 32 144 324 -79.17 +/- 17.63
16731 ncm-et-12 2018-04-08 10:42 01:15:28 2016451 500 41 121 338 -56.07 +/- 17.09
16730 ncm-et-9 2018-04-08 10:42 01:13:26 2026718 500 45 130 325 -59.64 +/- 17.79
16729 ncm-et-4 2018-04-08 10:42 01:13:28 2026718 500 43 125 332 -57.5 +/- 17.41
16728 ncm-et-13 2018-04-08 10:42 01:13:38 2027046 500 43 116 341 -51.09 +/- 16.96
16727 ncm-et-14 2018-04-08 10:42 01:14:53 2017100 500 40 122 338 -57.5 +/- 17.07
16726 ncm-et-15 2018-04-08 10:42 01:15:43 2018883 500 42 122 336 -56.07 +/- 17.2
16725 ncm-et-3 2018-04-08 10:42 01:13:57 2022956 500 42 127 331 -59.64 +/- 17.45

Commit

Commit ID f8f5dcbb682830a66a37f68f3c192bbbfc84a33a
Author lucasart
Date 2015-02-16 01:34:26 UTC
Compute checkers from scratch This micro-optimization only complicates the code and provides no benefit. Removing it is even a speedup on my machine (i7-3770k, linux, gcc 4.9.1): stat test master diff mean 2,403,118 2,390,904 12,214 stdev 12,043 10,620 3,677 speedup 0.51% P(speedup>0) 100.0% No functional change.
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