Dev Builds » 20130203-1014

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 06:22:32 1990160 2660 45 1810 805 -277.64 +/- 11.97
ncm-et-4 06:23:06 1976207 2672 50 1825 797 -278.11 +/- 12.04
ncm-et-6 02:22:10 2025490 1000 15 702 283 -292.63 +/- 20.24
ncm-et-7 02:21:07 2024999 1000 13 688 299 -284.85 +/- 19.64
ncm-et-9 06:22:41 1985764 2664 56 1800 808 -272.18 +/- 11.97
ncm-et-10 06:23:03 1984665 2665 56 1834 775 -279.9 +/- 12.23
ncm-et-11 02:22:02 2026226 999 21 682 296 -276.48 +/- 19.81
ncm-et-12 02:22:23 1992820 1000 12 711 277 -300.65 +/- 20.44
ncm-et-13 06:22:29 1987588 2669 55 1785 829 -268.28 +/- 11.81
ncm-et-15 06:22:08 1986952 2671 53 1811 807 -274.33 +/- 11.97
20000 376 13648 5976 -277.68 +/- 4.39

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
111799 ncm-et-3 2020-01-15 10:15 00:23:23 1966152 159 5 95 59 -222.94 +/- 44.62
111798 ncm-et-10 2020-01-15 10:15 00:23:40 1970323 165 1 118 46 -307.6 +/- 50.72
111797 ncm-et-9 2020-01-15 10:14 00:24:19 1959094 164 5 106 53 -249.56 +/- 47.35
111796 ncm-et-13 2020-01-15 10:14 00:24:28 1969720 169 2 112 55 -269.9 +/- 46.13
111795 ncm-et-15 2020-01-15 10:14 00:24:38 1970189 171 6 111 54 -248.55 +/- 46.93
111794 ncm-et-4 2020-01-15 10:14 00:24:49 1971428 172 3 116 53 -273.6 +/- 47.26
111793 ncm-et-13 2020-01-15 09:02 01:11:09 1972349 500 8 347 145 -286.77 +/- 28.35
111792 ncm-et-3 2020-01-15 09:02 01:12:12 1964149 500 9 311 180 -243.0 +/- 25.24
111791 ncm-et-10 2020-01-15 09:02 01:12:06 1961695 500 11 345 144 -280.42 +/- 28.5
111790 ncm-et-9 2020-01-15 09:02 01:11:45 1972651 500 9 355 136 -295.94 +/- 29.34
111789 ncm-et-4 2020-01-15 09:01 01:11:33 1968784 500 11 342 147 -276.69 +/- 28.19
111788 ncm-et-15 2020-01-15 09:00 01:13:17 1971719 500 10 332 158 -265.78 +/- 27.12
111787 ncm-et-4 2020-01-15 07:48 01:11:52 1944288 500 10 350 140 -288.06 +/- 28.91
111786 ncm-et-9 2020-01-15 07:48 01:12:16 1961536 500 11 337 152 -270.57 +/- 27.7
111785 ncm-et-10 2020-01-15 07:48 01:12:32 1965857 500 10 338 152 -273.0 +/- 27.69
111784 ncm-et-13 2020-01-15 07:48 01:13:00 1969406 500 21 318 161 -237.58 +/- 26.94
111783 ncm-et-3 2020-01-15 07:47 01:13:55 1960155 500 11 354 135 -291.97 +/- 29.47
111782 ncm-et-15 2020-01-15 07:46 01:12:12 1966304 500 9 330 161 -264.6 +/- 26.83
111781 ncm-et-13 2020-01-15 06:34 01:12:40 1960774 500 6 342 152 -282.94 +/- 27.59
111780 ncm-et-10 2020-01-15 06:34 01:12:53 1968931 500 14 336 150 -265.78 +/- 27.93
111779 ncm-et-4 2020-01-15 06:34 01:13:10 1966030 500 10 340 150 -275.45 +/- 27.88
111778 ncm-et-15 2020-01-15 06:34 01:11:17 1973133 500 12 345 143 -279.17 +/- 28.61
111777 ncm-et-3 2020-01-15 06:34 01:11:46 1964765 500 9 357 134 -298.62 +/- 29.56
111776 ncm-et-9 2020-01-15 06:34 01:13:02 1967539 500 11 335 154 -268.17 +/- 27.51
40120 ncm-et-3 2018-06-10 04:08 00:00:42 2024099 1 0 1 0 -1129.65 +/- 376.02
40119 ncm-et-7 2018-06-10 02:58 01:09:27 2024099 500 5 358 137 -305.45 +/- 29.13
40118 ncm-et-3 2018-06-10 02:58 01:08:42 2028031 500 5 340 155 -281.68 +/- 27.26
40117 ncm-et-6 2018-06-10 02:58 01:10:52 2025408 500 6 351 143 -294.61 +/- 28.51
40116 ncm-et-11 2018-06-10 02:57 01:10:57 2026718 499 10 328 161 -261.82 +/- 26.85
40115 ncm-et-4 2018-06-10 02:57 01:10:43 1984412 500 12 339 149 -271.78 +/- 28.01
40114 ncm-et-13 2018-06-10 02:57 01:10:19 2025413 500 8 326 166 -261.07 +/- 26.36
40113 ncm-et-9 2018-06-10 02:57 01:10:29 2025573 500 8 335 157 -271.78 +/- 27.17
40112 ncm-et-12 2018-06-10 02:57 01:11:51 1978664 500 5 364 131 -313.91 +/- 29.83
40111 ncm-et-15 2018-06-10 02:56 01:10:16 2018558 500 9 352 139 -291.97 +/- 29.0
40110 ncm-et-10 2018-06-10 02:56 01:11:27 2021981 500 12 354 134 -290.66 +/- 29.58
40109 ncm-et-7 2018-06-10 01:45 01:11:40 2025899 500 8 330 162 -265.78 +/- 26.71
40108 ncm-et-6 2018-06-10 01:45 01:11:18 2025572 500 9 351 140 -290.66 +/- 28.9
40107 ncm-et-4 2018-06-10 01:45 01:10:59 2022304 500 4 338 158 -280.42 +/- 26.94
40106 ncm-et-12 2018-06-10 01:45 01:10:32 2006977 500 7 347 146 -288.06 +/- 28.22
40105 ncm-et-3 2018-06-10 01:45 01:11:52 2023773 500 6 352 142 -295.94 +/- 28.61
40104 ncm-et-11 2018-06-10 01:45 01:11:05 2025735 500 11 354 135 -291.97 +/- 29.47
40103 ncm-et-9 2018-06-10 01:45 01:10:50 2028194 500 12 332 156 -263.42 +/- 27.34
40102 ncm-et-13 2018-06-10 01:45 01:10:53 2027866 500 10 340 150 -275.45 +/- 27.88
40101 ncm-et-10 2018-06-10 01:45 01:10:25 2019208 500 8 343 149 -281.68 +/- 27.94
40100 ncm-et-15 2018-06-10 01:45 01:10:28 2021814 500 7 341 152 -280.42 +/- 27.62

Commit

Commit ID 6560e4cc5b3da33c16a2a3290bbb3697f6c69b00
Author Marco Costalba
Date 2013-02-03 10:14:21 UTC
Be clear about not LMR the ttMove Currently a ttMove is reduced with ss->reduction = DEPTH_ZERO, so it is actually not reduced (as it should be), but the trick works just becuase it happens that ttMove is the first to be tried and reduction(depth, 1) Always returns zero. So explicitly forbid reduction of ttMove in the LMR condition. This is much clear and self-documented. No functional change.
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