Dev Builds » 20130227-0704

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 06:10:49 1981184 2569 54 1786 729 -284.34 +/- 12.61
ncm-et-4 06:10:48 1965630 2556 47 1661 848 -258.43 +/- 11.64
ncm-et-5 02:09:19 2022792 929 16 641 272 -283.43 +/- 20.65
ncm-et-6 02:09:09 2024427 907 15 588 304 -258.61 +/- 19.44
ncm-et-7 02:09:14 1988829 896 16 603 277 -272.47 +/- 20.44
ncm-et-9 06:10:49 1988248 2579 56 1720 803 -266.5 +/- 12.0
ncm-et-10 06:10:38 1982928 2574 43 1716 815 -269.34 +/- 11.88
ncm-et-11 02:09:15 2025981 909 16 611 282 -272.13 +/- 20.25
ncm-et-12 02:08:48 2017584 912 28 608 276 -261.05 +/- 20.54
ncm-et-13 06:10:44 1989162 2594 61 1687 846 -255.77 +/- 11.68
ncm-et-15 06:10:03 1987138 2575 49 1731 795 -271.3 +/- 12.05
20000 401 13352 6247 -267.9 +/- 4.3

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
110161 ncm-et-3 2020-01-02 21:31 00:22:27 1963686 149 2 91 56 -239.37 +/- 45.38
110160 ncm-et-9 2020-01-02 21:30 00:24:01 1966922 167 8 110 49 -246.74 +/- 49.23
110159 ncm-et-15 2020-01-02 21:29 00:24:12 1975144 165 5 109 51 -257.77 +/- 48.34
110158 ncm-et-4 2020-01-02 21:29 00:24:42 1961698 170 3 110 57 -257.26 +/- 45.38
110157 ncm-et-10 2020-01-02 21:29 00:24:40 1962766 166 0 108 58 -269.72 +/- 44.23
110156 ncm-et-13 2020-01-02 21:27 00:26:50 1973289 183 3 115 65 -247.43 +/- 42.28
110155 ncm-et-3 2020-01-02 20:17 01:13:24 1962459 500 12 339 149 -271.78 +/- 28.01
110154 ncm-et-4 2020-01-02 20:16 01:11:50 1973898 500 9 327 164 -261.07 +/- 26.56
110153 ncm-et-9 2020-01-02 20:15 01:13:36 1967232 500 12 338 150 -270.57 +/- 27.91
110152 ncm-et-10 2020-01-02 20:15 01:12:42 1969240 500 11 325 164 -256.44 +/- 26.61
110151 ncm-et-13 2020-01-02 20:14 01:11:15 1965228 500 11 323 166 -254.16 +/- 26.44
110150 ncm-et-15 2020-01-02 20:14 01:14:07 1966011 500 7 340 153 -279.17 +/- 27.52
110149 ncm-et-3 2020-01-02 19:05 01:10:35 1966767 500 13 348 139 -281.68 +/- 29.04
110148 ncm-et-4 2020-01-02 19:02 01:12:54 1971567 500 12 329 159 -259.91 +/- 27.07
110147 ncm-et-13 2020-01-02 19:02 01:11:25 1973920 500 12 328 160 -258.75 +/- 26.98
110146 ncm-et-15 2020-01-02 19:02 01:11:15 1973892 500 13 329 158 -258.75 +/- 27.17
110145 ncm-et-9 2020-01-02 19:02 01:12:13 1969457 500 15 326 159 -253.02 +/- 27.1
110144 ncm-et-10 2020-01-02 19:02 01:12:12 1963700 500 10 328 162 -261.07 +/- 26.76
110143 ncm-et-15 2020-01-02 17:49 01:11:51 1970014 500 10 323 167 -255.3 +/- 26.33
110142 ncm-et-4 2020-01-02 17:49 01:12:06 1974368 500 10 312 178 -243.0 +/- 25.43
110141 ncm-et-9 2020-01-02 17:49 01:11:50 1976537 500 6 323 171 -259.91 +/- 25.87
110140 ncm-et-3 2020-01-02 17:49 01:15:17 1941088 500 10 341 149 -276.69 +/- 27.98
110139 ncm-et-10 2020-01-02 17:49 01:11:48 1959864 500 7 337 156 -275.45 +/- 27.24
110138 ncm-et-13 2020-01-02 17:49 01:12:01 1974825 500 15 323 162 -249.64 +/- 26.84
39060 ncm-et-4 2018-06-05 11:54 00:56:46 1949617 386 4 263 119 -282.3 +/- 31.18
39059 ncm-et-11 2018-06-05 11:52 00:57:53 2025899 409 3 271 135 -272.55 +/- 29.1
39058 ncm-et-15 2018-06-05 11:52 00:57:37 2016936 410 6 288 116 -293.16 +/- 31.74
39057 ncm-et-13 2018-06-05 11:52 00:58:03 2023121 411 10 264 137 -250.77 +/- 29.15
39056 ncm-et-6 2018-06-05 11:52 00:58:13 2023937 407 4 261 142 -258.43 +/- 28.34
39055 ncm-et-10 2018-06-05 11:52 00:58:20 2021977 408 8 272 128 -267.6 +/- 30.17
39054 ncm-et-12 2018-06-05 11:52 00:58:15 2016122 412 14 273 125 -256.81 +/- 30.63
39053 ncm-et-7 2018-06-05 11:52 00:58:33 1953395 396 5 274 117 -287.61 +/- 31.53
39052 ncm-et-3 2018-06-05 11:51 00:59:13 2025735 420 9 306 105 -306.25 +/- 33.48
39051 ncm-et-5 2018-06-05 11:51 00:59:16 2022956 429 8 296 125 -282.52 +/- 30.58
39050 ncm-et-9 2018-06-05 11:51 00:59:35 2025244 412 6 290 116 -294.16 +/- 31.74
39049 ncm-et-12 2018-06-05 10:40 01:10:33 2019046 500 14 335 151 -264.6 +/- 27.83
39048 ncm-et-3 2018-06-05 10:40 01:09:53 2027374 500 8 361 131 -305.45 +/- 29.9
39047 ncm-et-15 2018-06-05 10:40 01:11:01 2020836 500 8 342 150 -280.42 +/- 27.84
39046 ncm-et-6 2018-06-05 10:40 01:10:56 2024918 500 11 327 162 -258.75 +/- 26.78
39045 ncm-et-9 2018-06-05 10:40 01:09:34 2024101 500 9 333 158 -268.17 +/- 27.1
39044 ncm-et-7 2018-06-05 10:40 01:10:41 2024263 500 11 329 160 -261.07 +/- 26.96
39043 ncm-et-10 2018-06-05 10:40 01:10:56 2020022 500 7 346 147 -286.77 +/- 28.12
39042 ncm-et-4 2018-06-05 10:40 01:12:30 1962633 500 9 320 171 -253.02 +/- 25.97
39041 ncm-et-5 2018-06-05 10:40 01:10:03 2022629 500 8 345 147 -284.22 +/- 28.14
39040 ncm-et-11 2018-06-05 10:40 01:11:22 2026063 500 13 340 147 -271.78 +/- 28.21
39039 ncm-et-13 2018-06-05 10:40 01:11:10 2024591 500 10 334 156 -268.17 +/- 27.31

Commit

Commit ID 335b57b5ef85da22b7e26cdfc1fd7b3e28dbbe8d
Author Lucas Braesch
Date 2013-02-27 07:04:32 UTC
Prune negative SEE moves also in PV nodes This patch is actually the sum of two contributions that have been tested independently: 1) Pruning of negative SEE moves in PV After 10000 games at 20+0.05 ELO: 5.18 +-7 (95%) LOS: 99.2% Total: 10000 W: 1952 L: 1803 D: 6245 2) Remove of bestValue > VALUE_MATED_IN_MAX_PLY condition After 23000 games at 20+0.05 ELO: 1.63 +-4 (95%) LOS: 88.1% Total: 23000 W: 4232 L: 4124 D: 14644 The whole patch as been re-tested at long TC with positive results: After 10000 games at 60+0.05 ELO: 4.31 +-7 (95%) LOS: 98.3% Total: 10000 W: 1765 L: 1641 D: 6594
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