Dev Builds » 20210606-1922

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 08:16:39 1966841 3354 2718 24 612 +384.83 +/- 13.78
ncm-et-4 08:16:25 1965936 3354 2731 21 602 +389.55 +/- 13.89
ncm-et-9 08:16:21 1955251 3292 2684 14 594 +392.64 +/- 13.97
ncm-et-10 08:16:47 1956221 3323 2733 16 574 +399.43 +/- 14.22
ncm-et-13 08:16:26 1961588 3340 2729 17 594 +393.58 +/- 13.98
ncm-et-15 08:16:41 1961349 3337 2700 20 617 +384.73 +/- 13.72
20000 16295 112 3593 +390.71 +/- 5.68

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
148309 ncm-et-9 2021-06-07 05:14 00:43:35 1963396 292 238 2 52 +389.78 +/- 48.09
148308 ncm-et-10 2021-06-07 05:10 00:47:37 1961704 323 250 1 72 +355.27 +/- 40.43
148307 ncm-et-15 2021-06-07 05:07 00:50:47 1960371 337 267 1 69 +371.62 +/- 41.39
148306 ncm-et-13 2021-06-07 05:07 00:50:46 1959420 340 278 1 61 +396.38 +/- 44.2
148305 ncm-et-3 2021-06-07 05:05 00:52:35 1972185 354 276 1 77 +360.41 +/- 39.08
148304 ncm-et-4 2021-06-07 05:05 00:52:42 1961694 354 293 2 59 +404.09 +/- 45.06
148303 ncm-et-9 2021-06-07 03:59 01:14:51 1961884 500 406 4 90 +385.59 +/- 36.27
148302 ncm-et-10 2021-06-07 03:54 01:15:25 1955724 500 405 2 93 +387.57 +/- 35.6
148301 ncm-et-13 2021-06-07 03:53 01:12:59 1962623 500 405 0 95 +391.57 +/- 35.09
148300 ncm-et-15 2021-06-07 03:52 01:14:12 1953137 500 400 1 99 +379.78 +/- 34.4
148299 ncm-et-3 2021-06-07 03:51 01:13:45 1972500 500 399 4 97 +372.25 +/- 34.89
148298 ncm-et-4 2021-06-07 03:50 01:14:44 1958174 500 409 5 86 +389.56 +/- 37.13
148297 ncm-et-9 2021-06-07 02:43 01:14:47 1953737 500 410 2 88 +397.72 +/- 36.65
148296 ncm-et-10 2021-06-07 02:38 01:15:30 1959132 500 416 3 81 +408.38 +/- 38.29
148295 ncm-et-13 2021-06-07 02:38 01:14:44 1957186 500 396 6 98 +363.2 +/- 34.72
148294 ncm-et-15 2021-06-07 02:37 01:14:34 1958021 500 420 4 76 +415.05 +/- 39.57
148293 ncm-et-3 2021-06-07 02:37 01:13:22 1968778 500 416 2 82 +410.58 +/- 38.02
148292 ncm-et-4 2021-06-07 02:36 01:12:44 1968031 500 415 2 83 +408.38 +/- 37.78
148291 ncm-et-9 2021-06-07 01:27 01:15:35 1951158 500 408 2 90 +393.6 +/- 36.22
148290 ncm-et-13 2021-06-07 01:24 01:13:40 1961235 500 415 4 81 +404.05 +/- 38.29
148289 ncm-et-10 2021-06-07 01:23 01:14:53 1950700 500 407 4 89 +387.57 +/- 36.48
148288 ncm-et-3 2021-06-07 01:22 01:13:55 1962527 500 417 7 76 +401.92 +/- 39.46
148287 ncm-et-15 2021-06-07 01:22 01:14:14 1961230 500 398 3 99 +372.25 +/- 34.49
148286 ncm-et-4 2021-06-07 01:22 01:13:40 1972343 500 397 5 98 +366.78 +/- 34.71
148285 ncm-et-9 2021-06-07 00:10 01:16:23 1945098 500 408 1 91 +395.65 +/- 35.96
148284 ncm-et-13 2021-06-07 00:08 01:15:20 1957246 500 409 3 88 +393.6 +/- 36.68
148283 ncm-et-10 2021-06-07 00:07 01:14:52 1951156 500 420 1 79 +421.93 +/- 38.73
148282 ncm-et-4 2021-06-07 00:07 01:14:28 1964497 500 412 5 83 +395.65 +/- 37.81
148281 ncm-et-15 2021-06-07 00:06 01:15:19 1956790 500 403 6 91 +375.98 +/- 36.06
148280 ncm-et-3 2021-06-07 00:05 01:16:10 1958167 500 396 3 101 +368.59 +/- 34.13
148279 ncm-et-9 2021-06-06 22:53 01:16:02 1953132 500 412 2 86 +401.92 +/- 37.09
148278 ncm-et-13 2021-06-06 22:53 01:14:11 1971413 500 409 3 88 +393.6 +/- 36.68
148277 ncm-et-4 2021-06-06 22:53 01:13:39 1974203 500 405 1 94 +389.56 +/- 35.35
148276 ncm-et-3 2021-06-06 22:52 01:13:07 1967548 500 410 4 86 +393.6 +/- 37.13
148275 ncm-et-15 2021-06-06 22:51 01:14:00 1967849 500 406 3 91 +387.57 +/- 36.04
148274 ncm-et-10 2021-06-06 22:51 01:15:15 1954962 500 413 4 83 +399.81 +/- 37.82
148273 ncm-et-9 2021-06-06 21:37 01:15:08 1958358 500 402 1 97 +383.64 +/- 34.77
148272 ncm-et-4 2021-06-06 21:37 01:14:28 1962613 500 400 1 99 +379.78 +/- 34.4
148271 ncm-et-13 2021-06-06 21:37 01:14:46 1961996 500 417 0 83 +417.31 +/- 37.67
148270 ncm-et-10 2021-06-06 21:37 01:13:15 1960169 500 422 1 77 +426.65 +/- 39.25
148269 ncm-et-3 2021-06-06 21:37 01:13:45 1966188 500 404 3 93 +383.64 +/- 35.64
148268 ncm-et-15 2021-06-06 21:37 01:13:35 1972046 500 406 2 92 +389.56 +/- 35.8

Commit

Commit ID 999e142c548f61852ace7b8f025d71bc8a805e3c
Author bmc4
Date 2021-06-06 19:22:39 UTC
Reduce in LMR reduction on PvNode reduce reduction in LMR by 1 on PvNode. STC: LLR: 2.93 (-2.94,2.94) <-0.50,2.50> Total: 266080 W: 22438 L: 21996 D: 221646 Ptnml(0-2): 774, 17874, 95376, 18168, 848 https://tests.stockfishchess.org/tests/view/60bc0661457376eb8bcaa4bb LTC: LLR: 2.93 (-2.94,2.94) <0.50,3.50> Total: 20144 W: 698 L: 587 D: 18859 Ptnml(0-2): 2, 529, 8906, 626, 9 https://tests.stockfishchess.org/tests/view/60bcc3f2457376eb8bcaa58d closes https://github.com/official-stockfish/Stockfish/pull/3534 bench: 5173012
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