Dev Builds » 20201014-1732

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 08:21:37 1961008 3322 2615 16 691 +365.3 +/- 12.94
ncm-et-4 08:18:20 1961890 3287 2575 26 686 +359.22 +/- 13.0
ncm-et-9 08:21:40 1965214 3327 2678 21 628 +380.37 +/- 13.59
ncm-et-10 08:21:20 1962428 3354 2626 19 709 +360.8 +/- 12.77
ncm-et-13 08:24:06 1963733 3362 2662 17 683 +369.26 +/- 13.02
ncm-et-15 08:23:38 1969164 3348 2625 18 705 +362.03 +/- 12.81
20000 15781 117 4102 +366.06 +/- 5.31

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
139827 ncm-et-4 2020-10-15 03:26 00:43:48 1968942 287 221 3 63 +345.78 +/- 43.48
139826 ncm-et-3 2020-10-15 03:22 00:47:58 1962766 322 253 1 68 +365.53 +/- 41.68
139825 ncm-et-9 2020-10-15 03:21 00:49:08 1969551 327 263 1 63 +382.88 +/- 43.42
139824 ncm-et-15 2020-10-15 03:17 00:52:40 1970952 348 270 1 77 +357.06 +/- 39.06
139823 ncm-et-10 2020-10-15 03:16 00:53:26 1956505 354 279 4 71 +360.41 +/- 40.93
139822 ncm-et-13 2020-10-15 03:16 00:53:33 1961994 362 288 2 72 +372.3 +/- 40.58
139821 ncm-et-4 2020-10-15 02:08 01:16:29 1963692 500 387 3 110 +352.8 +/- 32.64
139820 ncm-et-3 2020-10-15 02:06 01:14:26 1962150 500 414 2 84 +406.2 +/- 37.55
139819 ncm-et-9 2020-10-15 02:03 01:16:19 1961240 500 404 6 90 +377.87 +/- 36.26
139818 ncm-et-15 2020-10-15 02:01 01:15:11 1963533 500 388 2 110 +356.21 +/- 32.6
139817 ncm-et-10 2020-10-15 02:00 01:15:24 1964316 500 397 3 100 +370.41 +/- 34.31
139816 ncm-et-13 2020-10-15 01:59 01:15:36 1964611 500 394 3 103 +364.98 +/- 33.79
139815 ncm-et-4 2020-10-15 00:53 01:13:51 1962341 500 381 6 113 +338.04 +/- 32.26
139814 ncm-et-3 2020-10-15 00:48 01:17:44 1948777 500 401 2 97 +379.78 +/- 34.83
139813 ncm-et-9 2020-10-15 00:47 01:14:56 1960767 500 397 4 99 +368.59 +/- 34.52
139812 ncm-et-10 2020-10-15 00:45 01:14:08 1962001 500 405 2 93 +387.57 +/- 35.6
139811 ncm-et-15 2020-10-15 00:44 01:15:17 1970943 500 402 3 95 +379.78 +/- 35.24
139810 ncm-et-13 2020-10-15 00:42 01:16:09 1963224 500 391 2 107 +361.43 +/- 33.08
139809 ncm-et-4 2020-10-14 23:38 01:14:33 1972665 500 403 3 94 +381.7 +/- 35.44
139808 ncm-et-3 2020-10-14 23:31 01:15:57 1961844 500 389 3 108 +356.21 +/- 32.96
139807 ncm-et-9 2020-10-14 23:30 01:16:35 1963693 500 413 0 87 +408.38 +/- 36.75
139806 ncm-et-10 2020-10-14 23:29 01:14:08 1963391 500 375 1 124 +336.46 +/- 30.54
139805 ncm-et-15 2020-10-14 23:28 01:15:17 1971433 500 396 3 101 +368.59 +/- 34.13
139804 ncm-et-13 2020-10-14 23:27 01:14:08 1966613 500 388 2 110 +356.21 +/- 32.6
139803 ncm-et-4 2020-10-14 22:19 01:17:40 1935413 500 396 6 98 +363.2 +/- 34.72
139802 ncm-et-10 2020-10-14 22:15 01:13:53 1965386 500 399 2 99 +375.98 +/- 34.46
139801 ncm-et-3 2020-10-14 22:14 01:15:02 1962302 500 381 7 112 +336.46 +/- 32.42
139800 ncm-et-9 2020-10-14 22:13 01:15:14 1967707 500 412 4 84 +397.72 +/- 37.58
139799 ncm-et-15 2020-10-14 22:12 01:15:17 1972804 500 387 4 109 +351.11 +/- 32.83
139798 ncm-et-13 2020-10-14 22:11 01:15:10 1960926 500 396 3 101 +368.59 +/- 34.13
139797 ncm-et-4 2020-10-14 21:02 01:15:46 1965856 500 388 3 109 +354.5 +/- 32.8
139796 ncm-et-10 2020-10-14 20:58 01:15:06 1967850 500 380 4 116 +339.63 +/- 31.78
139795 ncm-et-3 2020-10-14 20:58 01:15:23 1964610 500 388 0 112 +359.67 +/- 32.17
139794 ncm-et-9 2020-10-14 20:57 01:15:23 1968776 500 399 1 100 +377.87 +/- 34.22
139793 ncm-et-13 2020-10-14 20:56 01:13:59 1964462 500 403 2 95 +383.64 +/- 35.21
139792 ncm-et-15 2020-10-14 20:55 01:15:36 1970174 500 386 3 111 +351.11 +/- 32.49
139791 ncm-et-4 2020-10-14 19:45 01:16:13 1964326 500 399 2 99 +375.98 +/- 34.46
139790 ncm-et-10 2020-10-14 19:42 01:15:15 1957553 500 391 3 106 +359.68 +/- 33.28
139789 ncm-et-3 2020-10-14 19:42 01:15:07 1964609 500 389 1 110 +359.68 +/- 32.55
139788 ncm-et-9 2020-10-14 19:42 01:14:05 1964765 500 390 5 105 +354.5 +/- 33.5
139787 ncm-et-15 2020-10-14 19:40 01:14:20 1964315 500 396 2 102 +370.41 +/- 33.92
139786 ncm-et-13 2020-10-14 19:39 01:15:31 1964301 500 402 3 95 +379.78 +/- 35.24

Commit

Commit ID 288a604411fa72b06b30f16194cd03592b28f6f2
Author Unai Corzo
Date 2020-10-14 17:32:12 UTC
Scale factor tweak Add !pawnsOnBothFlanks heuristic to scale factor. STC https://tests.stockfishchess.org/tests/view/5f8080575b3847b5d41f9134 LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 250960 W: 49779 L: 49168 D: 152013 Ptnml(0-2): 4224, 28822, 58802, 29383, 4249 LTC https://tests.stockfishchess.org/tests/view/5f832f498ea73fb8ddf83ddb LLR: 2.95 (-2.94,2.94) {0.25,1.25} Total: 88584 W: 11827 L: 11388 D: 65369 Ptnml(0-2): 585, 8079, 26578, 8412, 638 closes https://github.com/official-stockfish/Stockfish/pull/3179 bench: 3834252
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