Dev Builds » 20200904-1652

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 08:42:43 1962437 3302 2490 35 777 +332.93 +/- 12.21
ncm-et-4 08:42:40 1961972 3329 2468 31 830 +324.2 +/- 11.8
ncm-et-9 08:42:31 1966098 3342 2505 38 799 +328.84 +/- 12.04
ncm-et-10 08:42:41 1962453 3321 2469 47 805 +322.15 +/- 12.01
ncm-et-13 08:42:32 1963009 3351 2448 34 869 +315.62 +/- 11.53
ncm-et-15 08:42:39 1967115 3355 2504 36 815 +326.89 +/- 11.92
20000 14884 221 4895 +325.03 +/- 4.86

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
137341 ncm-et-3 2020-09-05 14:39 00:48:24 1964302 302 226 3 73 +329.01 +/- 40.24
137340 ncm-et-10 2020-09-05 14:38 00:49:19 1967542 321 246 1 74 +348.8 +/- 39.84
137339 ncm-et-4 2020-09-05 14:36 00:51:23 1965394 329 231 4 94 +294.59 +/- 35.27
137338 ncm-et-13 2020-09-05 14:33 00:53:46 1966005 351 256 4 91 +313.87 +/- 35.93
137337 ncm-et-9 2020-09-05 14:32 00:54:43 1961726 342 248 9 85 +300.54 +/- 37.26
137336 ncm-et-15 2020-09-05 14:32 00:55:23 1965692 355 267 2 86 +335.26 +/- 36.92
137335 ncm-et-3 2020-09-05 13:19 01:18:33 1962917 500 377 8 115 +328.7 +/- 31.98
137334 ncm-et-4 2020-09-05 13:16 01:19:09 1942587 500 364 6 130 +312.48 +/- 29.98
137333 ncm-et-10 2020-09-05 13:15 01:21:30 1953282 500 358 7 135 +302.7 +/- 29.42
137332 ncm-et-9 2020-09-05 13:14 01:16:51 1965384 500 368 3 129 +322.67 +/- 30.01
137331 ncm-et-13 2020-09-05 13:14 01:18:18 1963071 500 377 6 117 +331.77 +/- 31.68
137330 ncm-et-15 2020-09-05 13:13 01:17:28 1966957 500 369 7 124 +318.25 +/- 30.75
137329 ncm-et-3 2020-09-05 12:00 01:18:07 1965379 500 379 4 117 +338.04 +/- 31.63
137328 ncm-et-10 2020-09-05 11:56 01:17:46 1960930 500 374 8 118 +324.17 +/- 31.56
137327 ncm-et-4 2020-09-05 11:56 01:18:32 1950017 500 381 5 114 +339.63 +/- 32.09
137326 ncm-et-9 2020-09-05 11:55 01:18:21 1964456 500 375 5 120 +330.23 +/- 31.24
137325 ncm-et-13 2020-09-05 11:55 01:18:02 1958165 500 361 5 134 +309.64 +/- 29.48
137324 ncm-et-15 2020-09-05 11:55 01:17:26 1970186 500 368 5 127 +319.72 +/- 30.33
137323 ncm-et-3 2020-09-05 10:42 01:17:05 1963224 500 387 3 110 +352.8 +/- 32.64
137322 ncm-et-10 2020-09-05 10:38 01:17:26 1969862 500 369 12 119 +311.06 +/- 31.41
137321 ncm-et-15 2020-09-05 10:37 01:16:36 1964612 500 370 5 125 +322.67 +/- 30.58
137320 ncm-et-9 2020-09-05 10:37 01:16:56 1965078 500 398 4 98 +370.41 +/- 34.7
137319 ncm-et-4 2020-09-05 10:37 01:18:13 1965735 500 369 5 126 +321.19 +/- 30.45
137318 ncm-et-13 2020-09-05 10:36 01:18:03 1963686 500 365 2 133 +319.72 +/- 29.47
137317 ncm-et-3 2020-09-05 09:22 01:19:18 1961075 500 373 2 125 +331.77 +/- 30.47
137316 ncm-et-10 2020-09-05 09:19 01:17:54 1963082 500 372 6 122 +324.17 +/- 31.0
137315 ncm-et-15 2020-09-05 09:17 01:18:59 1967558 500 373 7 120 +324.17 +/- 31.28
137314 ncm-et-13 2020-09-05 09:17 01:18:06 1963076 500 377 4 119 +334.88 +/- 31.35
137313 ncm-et-4 2020-09-05 09:16 01:19:24 1966922 500 363 4 133 +313.91 +/- 29.56
137312 ncm-et-9 2020-09-05 09:16 01:19:48 1971719 500 361 4 135 +311.06 +/- 29.33
137311 ncm-et-3 2020-09-05 08:01 01:19:54 1961843 500 375 8 117 +325.67 +/- 31.7
137310 ncm-et-10 2020-09-05 07:59 01:18:37 1964152 500 364 7 129 +311.06 +/- 30.13
137309 ncm-et-4 2020-09-05 07:58 01:17:30 1969716 500 386 2 112 +352.8 +/- 32.29
137308 ncm-et-13 2020-09-05 07:58 01:17:51 1963378 500 353 6 141 +297.28 +/- 28.72
137307 ncm-et-15 2020-09-05 07:57 01:19:00 1962763 500 369 5 126 +321.19 +/- 30.45
137306 ncm-et-9 2020-09-05 07:56 01:18:53 1966151 500 369 11 120 +312.48 +/- 31.29
137305 ncm-et-15 2020-09-05 06:38 01:17:47 1972039 500 388 5 107 +351.11 +/- 33.17
137304 ncm-et-4 2020-09-05 06:38 01:18:29 1973433 500 374 5 121 +328.7 +/- 31.11
137303 ncm-et-13 2020-09-05 06:38 01:18:26 1963685 500 359 7 134 +304.07 +/- 29.53
137302 ncm-et-9 2020-09-05 06:38 01:16:59 1968174 500 386 2 112 +352.8 +/- 32.29
137301 ncm-et-3 2020-09-05 06:38 01:21:22 1958319 500 373 7 120 +324.17 +/- 31.28
137300 ncm-et-10 2020-09-05 06:38 01:20:09 1958321 500 386 6 108 +346.12 +/- 33.02

Commit

Commit ID 9a063fc3cbc8f522215392db232eeb0e04e71b2c
Author Vizvezdenec
Date 2020-09-04 16:52:46 UTC
Adjust penalty on refuted early quiet moves This patch changes how previous early moves are penalized in case search finds a best move. Here, the first quiet move that was not a transposition table move is penalized. passed STC https://tests.stockfishchess.org/tests/view/5f51d839ba100690c5cc5f69 LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 10088 W: 1150 L: 997 D: 7941 Ptnml(0-2): 41, 772, 3278, 899, 54 passed LTC https://tests.stockfishchess.org/tests/view/5f51e435ba100690c5cc5f76 LLR: 2.93 (-2.94,2.94) {0.25,1.25} Total: 30808 W: 1564 L: 1405 D: 27839 Ptnml(0-2): 19, 1245, 12717, 1404, 19 closes https://github.com/official-stockfish/Stockfish/pull/3106 bench 3983758
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