Dev Builds » 20210805-1432

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 08:17:09 1960296 3360 2867 8 485 +437.55 +/- 15.48
ncm-et-4 08:16:57 1961099 3364 2835 6 523 +425.42 +/- 14.89
ncm-et-9 08:16:38 1957526 3308 2791 10 507 +425.09 +/- 15.14
ncm-et-10 08:16:53 1957386 3319 2799 10 510 +424.65 +/- 15.09
ncm-et-13 08:17:02 1960527 3340 2765 6 569 +408.43 +/- 14.26
ncm-et-15 08:17:05 1953684 3309 2768 6 535 +418.11 +/- 14.72
20000 16825 46 3129 +423.04 +/- 6.08

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
150602 ncm-et-9 2021-08-09 03:50 00:45:46 1962467 308 249 3 56 +380.45 +/- 46.28
150601 ncm-et-15 2021-08-09 03:48 00:47:13 1953595 309 255 1 53 +404.06 +/- 47.57
150600 ncm-et-10 2021-08-09 03:48 00:47:52 1953599 319 274 0 45 +447.93 +/- 51.81
150599 ncm-et-13 2021-08-09 03:45 00:50:37 1960924 340 288 0 52 +432.78 +/- 48.0
150598 ncm-et-3 2021-08-09 03:42 00:54:20 1957865 360 312 1 47 +454.61 +/- 50.79
150597 ncm-et-4 2021-08-09 03:41 00:54:51 1944716 364 306 0 58 +425.05 +/- 45.33
150596 ncm-et-9 2021-08-09 02:34 01:14:47 1959396 500 424 1 75 +431.48 +/- 39.8
150595 ncm-et-10 2021-08-09 02:32 01:15:02 1957413 500 422 1 77 +426.65 +/- 39.25
150594 ncm-et-15 2021-08-09 02:31 01:16:32 1927056 500 425 2 73 +431.48 +/- 40.4
150593 ncm-et-13 2021-08-09 02:30 01:13:46 1965844 500 425 0 75 +436.43 +/- 39.73
150592 ncm-et-3 2021-08-09 02:28 01:12:52 1968194 500 424 0 76 +433.94 +/- 39.45
150591 ncm-et-4 2021-08-09 02:26 01:13:55 1967544 500 408 1 91 +395.65 +/- 35.96
150590 ncm-et-9 2021-08-09 01:18 01:15:47 1954664 500 420 1 79 +421.93 +/- 38.73
150589 ncm-et-10 2021-08-09 01:17 01:14:14 1955567 500 435 2 63 +457.52 +/- 43.63
150588 ncm-et-15 2021-08-09 01:15 01:15:54 1958779 500 425 1 74 +433.94 +/- 40.08
150587 ncm-et-13 2021-08-09 01:15 01:15:09 1957099 500 406 0 94 +393.6 +/- 35.29
150586 ncm-et-3 2021-08-09 01:12 01:14:59 1956490 500 431 2 67 +446.7 +/- 42.25
150585 ncm-et-4 2021-08-09 01:12 01:13:08 1961563 500 434 1 65 +457.52 +/- 42.89
150584 ncm-et-9 2021-08-09 00:03 01:13:53 1962919 500 420 1 79 +421.93 +/- 38.73
150583 ncm-et-13 2021-08-09 00:02 01:12:27 1961387 500 423 3 74 +424.28 +/- 40.13
150582 ncm-et-10 2021-08-09 00:01 01:15:11 1960162 500 408 0 92 +397.72 +/- 35.69
150581 ncm-et-15 2021-08-09 00:00 01:13:46 1961081 500 424 0 76 +433.94 +/- 39.45
150580 ncm-et-3 2021-08-08 23:58 01:13:17 1962776 500 431 1 68 +449.35 +/- 41.89
150579 ncm-et-4 2021-08-08 23:58 01:14:00 1964611 500 423 0 77 +431.48 +/- 39.18
150578 ncm-et-9 2021-08-08 22:47 01:15:39 1954668 500 433 3 64 +449.35 +/- 43.26
150577 ncm-et-13 2021-08-08 22:45 01:15:39 1949961 500 406 2 92 +389.56 +/- 35.8
150576 ncm-et-4 2021-08-08 22:45 01:11:54 1964309 500 416 2 82 +410.58 +/- 38.02
150575 ncm-et-10 2021-08-08 22:45 01:15:41 1954653 500 418 1 81 +417.32 +/- 38.22
150574 ncm-et-15 2021-08-08 22:45 01:14:53 1958318 500 412 0 88 +406.2 +/- 36.53
150573 ncm-et-3 2021-08-08 22:44 01:14:11 1948144 500 410 2 88 +397.72 +/- 36.65
150572 ncm-et-9 2021-08-08 21:31 01:15:22 1958010 500 430 0 70 +449.35 +/- 41.19
150571 ncm-et-10 2021-08-08 21:31 01:13:44 1959236 500 415 3 82 +406.2 +/- 38.05
150570 ncm-et-13 2021-08-08 21:30 01:14:53 1960630 500 416 1 83 +412.8 +/- 37.74
150569 ncm-et-15 2021-08-08 21:30 01:14:25 1954502 500 417 0 83 +417.31 +/- 37.67
150568 ncm-et-3 2021-08-08 21:29 01:13:42 1965226 500 437 1 62 +466.04 +/- 43.97
150567 ncm-et-4 2021-08-08 21:29 01:15:24 1956486 500 419 0 81 +421.93 +/- 38.15
150566 ncm-et-9 2021-08-08 20:15 01:15:24 1950564 500 415 1 84 +410.58 +/- 37.5
150565 ncm-et-3 2021-08-08 20:15 01:13:48 1963378 500 422 1 77 +426.65 +/- 39.25
150564 ncm-et-15 2021-08-08 20:15 01:14:22 1962462 500 410 2 88 +397.72 +/- 36.65
150563 ncm-et-10 2021-08-08 20:15 01:15:09 1961077 500 427 3 70 +433.94 +/- 41.3
150562 ncm-et-4 2021-08-08 20:15 01:13:45 1968470 500 429 2 69 +441.5 +/- 41.61
150561 ncm-et-13 2021-08-08 20:15 01:14:31 1967850 500 401 0 99 +383.63 +/- 34.34

Commit

Commit ID a1a83f38691ae3f39c827a46e59ae9875605aa3b
Author VoyagerOne
Date 2021-08-05 14:32:07 UTC
SEE simplification Simplified SEE formula by removing std::min. Should also be easier to tune. STC: LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 22656 W: 1836 L: 1729 D: 19091 Ptnml(0-2): 54, 1426, 8267, 1521, 60 https://tests.stockfishchess.org/tests/view/610ae62f2a8a49ac5be79449 LTC: LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 26248 W: 806 L: 744 D: 24698 Ptnml(0-2): 6, 668, 11715, 728, 7 https://tests.stockfishchess.org/tests/view/610b17ad2a8a49ac5be79466 closes https://github.com/official-stockfish/Stockfish/pull/3643 bench: 4915145
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