Dev Builds » 20210502-1548

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 08:20:01 1964591 3356 2672 15 669 +373.85 +/- 13.15
ncm-et-4 08:20:03 1963039 3339 2694 15 630 +383.96 +/- 13.56
ncm-et-9 08:19:58 1955019 3332 2682 11 639 +383.27 +/- 13.45
ncm-et-10 08:20:00 1954123 3312 2653 12 647 +379.21 +/- 13.37
ncm-et-13 08:20:21 1959776 3323 2684 10 629 +386.28 +/- 13.56
ncm-et-15 08:20:09 1961812 3338 2716 12 610 +391.64 +/- 13.78
20000 16101 75 3824 +382.96 +/- 5.49

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
146372 ncm-et-13 2021-05-03 19:47 00:47:31 1959514 323 265 1 57 +399.11 +/- 45.79
146371 ncm-et-10 2021-05-03 19:47 00:47:58 1955740 312 250 1 61 +379.85 +/- 44.15
146370 ncm-et-9 2021-05-03 19:45 00:49:27 1946913 332 263 0 69 +374.26 +/- 41.26
146369 ncm-et-4 2021-05-03 19:44 00:50:38 1966964 339 277 2 60 +392.8 +/- 44.65
146368 ncm-et-15 2021-05-03 19:42 00:52:29 1958533 338 268 1 69 +372.2 +/- 41.39
146367 ncm-et-3 2021-05-03 19:41 00:53:42 1965694 356 282 3 71 +366.51 +/- 40.92
146366 ncm-et-13 2021-05-03 18:32 01:15:04 1955730 500 399 3 98 +374.11 +/- 34.68
146365 ncm-et-9 2021-05-03 18:31 01:13:20 1967395 500 408 1 91 +395.65 +/- 35.96
146364 ncm-et-10 2021-05-03 18:29 01:16:27 1951003 500 398 1 101 +375.98 +/- 34.04
146363 ncm-et-4 2021-05-03 18:28 01:15:44 1962917 500 412 3 85 +399.81 +/- 37.34
146362 ncm-et-3 2021-05-03 18:26 01:14:34 1967402 500 392 2 106 +363.2 +/- 33.24
146361 ncm-et-15 2021-05-03 18:25 01:16:18 1955719 500 424 1 75 +431.48 +/- 39.8
146360 ncm-et-13 2021-05-03 17:16 01:15:12 1957399 500 401 0 99 +383.63 +/- 34.34
146359 ncm-et-9 2021-05-03 17:13 01:17:31 1951022 500 404 4 92 +381.7 +/- 35.86
146358 ncm-et-10 2021-05-03 17:13 01:16:08 1947829 500 388 2 110 +356.21 +/- 32.6
146357 ncm-et-4 2021-05-03 17:12 01:15:13 1962151 500 397 3 100 +370.41 +/- 34.31
146356 ncm-et-3 2021-05-03 17:11 01:13:32 1956637 500 405 0 95 +391.57 +/- 35.09
146355 ncm-et-15 2021-05-03 17:10 01:14:17 1972344 500 407 3 90 +389.56 +/- 36.25
146354 ncm-et-13 2021-05-03 15:58 01:16:57 1958637 500 404 2 94 +385.59 +/- 35.4
146353 ncm-et-10 2021-05-03 15:57 01:15:30 1945869 500 403 2 95 +383.64 +/- 35.21
146352 ncm-et-4 2021-05-03 15:57 01:14:30 1970323 500 400 4 96 +374.11 +/- 35.07
146351 ncm-et-9 2021-05-03 15:56 01:15:54 1951203 500 402 2 96 +381.7 +/- 35.02
146350 ncm-et-3 2021-05-03 15:56 01:14:29 1968468 500 393 2 105 +364.98 +/- 33.41
146349 ncm-et-15 2021-05-03 15:54 01:15:13 1954397 500 408 0 92 +397.72 +/- 35.69
146348 ncm-et-10 2021-05-03 14:43 01:13:12 1968778 500 405 2 93 +387.57 +/- 35.6
146347 ncm-et-13 2021-05-03 14:42 01:15:13 1966190 500 401 2 97 +379.78 +/- 34.83
146346 ncm-et-3 2021-05-03 14:42 01:14:12 1965874 500 391 3 106 +359.68 +/- 33.28
146345 ncm-et-15 2021-05-03 14:41 01:12:38 1971268 500 395 3 102 +366.78 +/- 33.96
146344 ncm-et-4 2021-05-03 14:40 01:15:30 1955477 500 399 1 100 +377.87 +/- 34.22
146343 ncm-et-9 2021-05-03 14:40 01:16:16 1947517 500 411 1 88 +401.92 +/- 36.6
146342 ncm-et-3 2021-05-03 13:27 01:14:18 1966206 500 399 3 98 +374.11 +/- 34.68
146341 ncm-et-13 2021-05-03 13:26 01:15:13 1959121 500 405 0 95 +391.57 +/- 35.09
146340 ncm-et-10 2021-05-03 13:26 01:16:00 1949642 500 391 3 106 +359.68 +/- 33.28
146339 ncm-et-9 2021-05-03 13:26 01:13:21 1963225 500 395 2 103 +368.59 +/- 33.75
146338 ncm-et-15 2021-05-03 13:25 01:15:24 1958332 500 407 0 93 +395.65 +/- 35.48
146337 ncm-et-4 2021-05-03 13:25 01:14:56 1953739 500 400 0 100 +381.69 +/- 34.16
146336 ncm-et-3 2021-05-03 12:11 01:15:14 1961860 500 410 2 88 +397.72 +/- 36.65
146335 ncm-et-9 2021-05-03 12:11 01:14:09 1957861 500 399 1 100 +377.87 +/- 34.22
146334 ncm-et-10 2021-05-03 12:11 01:14:45 1960002 500 418 1 81 +417.32 +/- 38.22
146333 ncm-et-15 2021-05-03 12:11 01:13:50 1962092 500 407 4 89 +387.57 +/- 36.48
146332 ncm-et-13 2021-05-03 12:11 01:15:11 1961845 500 409 2 89 +395.65 +/- 36.43
146331 ncm-et-4 2021-05-03 12:11 01:13:32 1969706 500 409 2 89 +395.65 +/- 36.43

Commit

Commit ID b1c8840f104d4d36b3f9a420b8b26a5e94c6dc18
Author Unai Corzo
Date 2021-05-02 15:48:57 UTC
Simplify check extension Simplify check extension, as it seems not to bring any strength and thus is no longer needed. STC https://tests.stockfishchess.org/tests/view/608c18e995e7f1852abd2b81 LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 54544 W: 4891 L: 4815 D: 44838 Ptnml(0-2): 186, 3889, 19081, 3895, 221 LTC https://tests.stockfishchess.org/tests/view/608c6ab195e7f1852abd2bc6 LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 51008 W: 1845 L: 1794 D: 47369 Ptnml(0-2): 31, 1591, 22206, 1648, 28 closes https://github.com/official-stockfish/Stockfish/pull/3452 bench: 3993071
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