Dev Builds » 20201231-1703

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 08:22:30 1970710 3341 2688 15 638 +381.75 +/- 13.47
ncm-et-4 08:22:18 1958557 3314 2644 19 651 +374.2 +/- 13.34
ncm-et-9 08:22:02 1968176 3355 2663 13 679 +372.13 +/- 13.05
ncm-et-10 08:21:43 1962471 3313 2675 14 624 +384.81 +/- 13.62
ncm-et-13 08:21:36 1960750 3321 2648 19 654 +373.76 +/- 13.31
ncm-et-15 08:22:19 1967826 3356 2662 16 678 +370.82 +/- 13.06
20000 15980 96 3924 +376.17 +/- 5.43

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
141816 ncm-et-4 2021-01-01 03:50 00:47:37 1966157 314 244 1 69 +357.84 +/- 41.34 ↓
141815 ncm-et-13 2021-01-01 03:50 00:47:45 1964148 321 247 0 74 +354.04 +/- 39.72 ↓
141814 ncm-et-10 2021-01-01 03:50 00:48:06 1963694 313 257 2 54 +396.37 +/- 47.17 ↓
141813 ncm-et-3 2021-01-01 03:47 00:51:00 1975136 341 269 0 72 +371.19 +/- 40.36 ↓
141812 ncm-et-15 2021-01-01 03:44 00:53:23 1966477 356 285 3 68 +374.24 +/- 41.85 ↓
141811 ncm-et-9 2021-01-01 03:43 00:54:35 1966961 355 280 1 74 +368.51 +/- 39.91 ↓
141810 ncm-et-10 2021-01-01 02:34 01:14:48 1959412 500 401 0 99 +383.63 +/- 34.34 ↓
141809 ncm-et-4 2021-01-01 02:34 01:15:29 1969414 500 408 0 92 +397.72 +/- 35.69 ↓
141808 ncm-et-13 2021-01-01 02:32 01:16:52 1958778 500 402 3 95 +379.78 +/- 35.24 ↓
141807 ncm-et-3 2021-01-01 02:30 01:15:51 1973899 500 389 1 110 +359.68 +/- 32.55 ↓
141806 ncm-et-15 2021-01-01 02:28 01:14:52 1973120 500 381 3 116 +342.85 +/- 31.74 ↓
141805 ncm-et-9 2021-01-01 02:28 01:14:06 1967873 500 385 1 114 +352.8 +/- 31.94 ↓
141804 ncm-et-10 2021-01-01 01:17 01:15:46 1963081 500 402 2 96 +381.7 +/- 35.02 ↓
141803 ncm-et-4 2021-01-01 01:17 01:15:57 1971563 500 407 3 90 +389.56 +/- 36.25 ↓
141802 ncm-et-13 2021-01-01 01:15 01:15:30 1958632 500 396 2 102 +370.41 +/- 33.92 ↓
141801 ncm-et-3 2021-01-01 01:14 01:14:38 1968777 500 409 1 90 +397.72 +/- 36.17 ↓
141800 ncm-et-15 2021-01-01 01:12 01:15:06 1965557 500 395 1 104 +370.41 +/- 33.52 ↓
141799 ncm-et-9 2021-01-01 01:12 01:15:05 1964622 500 396 2 102 +370.41 +/- 33.92 ↓
141798 ncm-et-10 2021-01-01 00:00 01:16:05 1958937 500 393 3 104 +363.2 +/- 33.62 ↓
141797 ncm-et-3 2020-12-31 23:59 01:13:46 1969405 500 393 5 102 +359.68 +/- 34.0 ↓
141796 ncm-et-4 2020-12-31 23:59 01:16:27 1941987 500 399 2 99 +375.98 +/- 34.46 ↓
141795 ncm-et-13 2020-12-31 23:58 01:15:51 1961075 500 402 2 96 +381.7 +/- 35.02 ↓
141794 ncm-et-15 2020-12-31 23:57 01:14:39 1972186 500 402 2 96 +381.7 +/- 35.02 ↓
141793 ncm-et-9 2020-12-31 23:56 01:14:13 1967854 500 403 1 96 +385.59 +/- 34.96 ↓
141792 ncm-et-4 2020-12-31 22:44 01:13:45 1979508 500 407 6 87 +383.64 +/- 36.89 ↓
141791 ncm-et-10 2020-12-31 22:42 01:16:09 1961229 500 405 2 93 +387.57 +/- 35.6 ↓
141790 ncm-et-3 2020-12-31 22:42 01:15:45 1969406 500 406 2 92 +389.56 +/- 35.8 ↓
141789 ncm-et-13 2020-12-31 22:42 01:15:15 1960465 500 399 2 99 +375.98 +/- 34.46 ↓
141788 ncm-et-9 2020-12-31 22:41 01:14:11 1968019 500 416 1 83 +412.8 +/- 37.74 ↓
141787 ncm-et-15 2020-12-31 22:41 01:14:36 1970346 500 401 1 98 +381.7 +/- 34.59 ↓
141786 ncm-et-4 2020-12-31 21:27 01:16:01 1940776 500 391 3 106 +359.68 +/- 33.28 ↓
141785 ncm-et-13 2020-12-31 21:26 01:14:42 1962764 500 394 5 101 +361.43 +/- 34.18 ↓
141784 ncm-et-10 2020-12-31 21:26 01:15:22 1970323 500 414 2 84 +406.2 +/- 37.55 ↓
141783 ncm-et-3 2020-12-31 21:25 01:15:55 1964457 500 407 4 89 +387.57 +/- 36.48 ↓
141782 ncm-et-9 2020-12-31 21:25 01:14:54 1974825 500 389 4 107 +354.5 +/- 33.15 ↓
141781 ncm-et-15 2020-12-31 21:25 01:14:52 1961842 500 405 2 93 +387.57 +/- 35.6 ↓
141780 ncm-et-13 2020-12-31 20:10 01:15:41 1959388 500 408 5 87 +387.57 +/- 36.91 ↓
141779 ncm-et-10 2020-12-31 20:10 01:15:27 1960621 500 403 3 94 +381.7 +/- 35.44 ↓
141778 ncm-et-9 2020-12-31 20:09 01:14:58 1967081 500 394 3 103 +364.98 +/- 33.79 ↓
141777 ncm-et-15 2020-12-31 20:09 01:14:51 1965258 500 393 4 103 +361.43 +/- 33.81 ↓
141776 ncm-et-4 2020-12-31 20:09 01:17:02 1940496 500 388 4 108 +352.8 +/- 32.99 ↓
141775 ncm-et-3 2020-12-31 20:09 01:15:35 1973891 500 415 2 83 +408.38 +/- 37.78 ↓

Commit

Commit ID d21e421ad74cff3b157d156d6ea8fdee3634e75b
Author FauziAkram
Date 2020-12-31 17:03:33 UTC
WeakUnopposed penalty for backwards on file A or H Do not give the WeakUnopposed penalty for backwards on file A or H The original idea comes from Lolligerhans, and a series of tunings and tests done by Fauzi. Passed STC: LLR: 2.96 (-2.94,2.94) {-0.25,1.25} Total: 140864 W: 28127 L: 27660 D: 85077 Ptnml(0-2): 2529, 16660, 31735, 16831, 2677 https://tests.stockfishchess.org/tests/view/5fe39dec3932f79192d39673 Passed LTC: LLR: 2.95 (-2.94,2.94) {0.25,1.25} Total: 67568 W: 8993 L: 8590 D: 49985 Ptnml(0-2): 523, 6176, 19983, 6579, 523 https://tests.stockfishchess.org/tests/view/5fe3dd1b3932f79192d39693 closes https://github.com/official-stockfish/Stockfish/pull/3275 Bench: 4109336
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