Dev Builds » 20200921-0547

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 08:36:50 1962786 3331 2598 35 698 +354.02 +/- 12.9
ncm-et-4 08:37:01 1965017 3322 2595 20 707 +358.92 +/- 12.79
ncm-et-9 08:36:49 1967777 3330 2594 19 717 +357.31 +/- 12.7
ncm-et-10 08:36:38 1964598 3356 2604 26 726 +352.95 +/- 12.63
ncm-et-13 08:36:45 1957517 3315 2536 21 758 +345.03 +/- 12.34
ncm-et-15 08:36:52 1967442 3346 2627 26 693 +360.86 +/- 12.94
20000 15554 147 4299 +354.8 +/- 5.19

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
139161 ncm-et-13 2020-09-23 00:07 00:49:31 1960767 315 240 2 73 +342.49 +/- 40.2
139160 ncm-et-4 2020-09-23 00:06 00:50:29 1969586 322 248 3 71 +346.84 +/- 40.87
139159 ncm-et-9 2020-09-23 00:04 00:51:26 1962456 330 238 1 91 +314.04 +/- 35.66
139158 ncm-et-3 2020-09-23 00:04 00:51:24 1962611 331 258 4 69 +352.27 +/- 41.53
139157 ncm-et-15 2020-09-23 00:03 00:52:42 1968937 346 264 3 79 +341.51 +/- 38.67
139156 ncm-et-10 2020-09-23 00:01 00:54:57 1967853 356 289 1 66 +390.55 +/- 42.41
139155 ncm-et-13 2020-09-22 22:47 01:18:39 1963226 500 388 1 111 +357.94 +/- 32.39
139154 ncm-et-4 2020-09-22 22:46 01:18:01 1966151 500 391 2 107 +361.43 +/- 33.08
139153 ncm-et-9 2020-09-22 22:46 01:17:24 1968467 500 388 6 106 +349.43 +/- 33.34
139152 ncm-et-3 2020-09-22 22:46 01:17:49 1962302 500 388 6 106 +349.43 +/- 33.34
139151 ncm-et-15 2020-09-22 22:45 01:17:04 1976071 500 397 3 100 +370.41 +/- 34.31
139150 ncm-et-10 2020-09-22 22:43 01:16:48 1967076 500 381 3 116 +342.85 +/- 31.74
139149 ncm-et-9 2020-09-22 21:28 01:16:51 1975604 500 388 1 111 +357.94 +/- 32.39
139148 ncm-et-4 2020-09-22 21:28 01:17:37 1966771 500 389 3 108 +356.21 +/- 32.96
139147 ncm-et-13 2020-09-22 21:28 01:18:13 1959848 500 386 3 111 +351.11 +/- 32.49
139146 ncm-et-3 2020-09-22 21:27 01:17:25 1962610 500 392 4 104 +359.68 +/- 33.64
139145 ncm-et-15 2020-09-22 21:27 01:17:01 1964937 500 397 4 99 +368.59 +/- 34.52
139144 ncm-et-10 2020-09-22 21:25 01:16:53 1959542 500 393 3 104 +363.2 +/- 33.62
139143 ncm-et-13 2020-09-22 20:10 01:16:21 1966305 500 378 4 118 +336.46 +/- 31.49
139142 ncm-et-15 2020-09-22 20:10 01:16:21 1972049 500 390 3 107 +357.94 +/- 33.12
139141 ncm-et-4 2020-09-22 20:09 01:17:14 1966159 500 395 2 103 +368.59 +/- 33.75
139140 ncm-et-9 2020-09-22 20:08 01:18:35 1970177 500 386 2 112 +352.8 +/- 32.29
139139 ncm-et-3 2020-09-22 20:08 01:17:38 1962917 500 394 4 102 +363.2 +/- 33.99
139138 ncm-et-10 2020-09-22 20:06 01:18:05 1967849 500 390 5 105 +354.5 +/- 33.5
139137 ncm-et-4 2020-09-22 18:50 01:18:01 1966321 500 394 3 103 +364.98 +/- 33.79
139136 ncm-et-13 2020-09-22 18:50 01:18:48 1959848 500 374 5 121 +328.7 +/- 31.11
139135 ncm-et-9 2020-09-22 18:50 01:17:18 1960154 500 390 4 106 +356.21 +/- 33.31
139134 ncm-et-15 2020-09-22 18:50 01:18:45 1950813 500 395 3 102 +366.78 +/- 33.96
139133 ncm-et-3 2020-09-22 18:49 01:18:01 1962151 500 387 3 110 +352.8 +/- 32.64
139132 ncm-et-10 2020-09-22 18:48 01:16:37 1966008 500 389 5 106 +352.8 +/- 33.33
139131 ncm-et-13 2020-09-22 17:33 01:16:21 1964148 500 387 4 109 +351.11 +/- 32.83
139130 ncm-et-9 2020-09-22 17:32 01:17:27 1971266 500 402 4 94 +377.87 +/- 35.46
139129 ncm-et-15 2020-09-22 17:31 01:17:25 1974987 500 386 4 110 +349.43 +/- 32.67
139128 ncm-et-3 2020-09-22 17:31 01:17:02 1962303 500 400 7 93 +368.59 +/- 35.65
139127 ncm-et-10 2020-09-22 17:30 01:16:50 1963392 500 386 5 109 +347.77 +/- 32.85
139126 ncm-et-4 2020-09-22 17:30 01:19:27 1951198 500 380 3 117 +341.24 +/- 31.6
139125 ncm-et-13 2020-09-22 16:13 01:18:52 1928480 500 383 2 115 +347.77 +/- 31.84
139124 ncm-et-9 2020-09-22 16:13 01:17:48 1966320 500 402 1 97 +383.64 +/- 34.77
139123 ncm-et-3 2020-09-22 16:13 01:17:31 1964611 500 379 7 114 +333.32 +/- 32.12
139122 ncm-et-15 2020-09-22 16:13 01:17:34 1964305 500 398 6 96 +366.78 +/- 35.09
139121 ncm-et-10 2020-09-22 16:13 01:16:28 1960467 500 376 4 120 +333.32 +/- 31.22
139120 ncm-et-4 2020-09-22 16:13 01:16:12 1968935 500 398 4 98 +370.41 +/- 34.7

Commit

Commit ID 8559c439148d0f183a5d67375c12abe92d63975e
Author Unai Corzo
Date 2020-09-21 05:47:41 UTC
Simplify reduced depth search Simplification in reduced depth search. STC https://tests.stockfishchess.org/tests/view/5f64c72fbb0cae038ca8f531 LLR: 2.94 (-2.94,2.94) {-1.25,0.25} Total: 28320 W: 3475 L: 3359 D: 21486 Ptnml(0-2): 170, 2485, 8773, 2523, 209 LTC https://tests.stockfishchess.org/tests/view/5f650cfabb0cae038ca8f585 LLR: 2.95 (-2.94,2.94) {-0.75,0.25} Total: 58392 W: 3354 L: 3285 D: 51753 Ptnml(0-2): 74, 2826, 23336, 2877, 83 closes https://github.com/official-stockfish/Stockfish/pull/3139 bench: 4201295
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