Dev Builds » 20200821-1604

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 08:38:02 1962417 3322 2392 48 882 +305.18 +/- 11.46
ncm-et-4 08:41:46 1958478 3336 2491 31 814 +328.25 +/- 11.92
ncm-et-9 08:41:47 1963701 3361 2520 42 799 +328.15 +/- 12.05
ncm-et-10 08:38:10 1962865 3339 2413 42 884 +308.3 +/- 11.44
ncm-et-13 08:36:17 1959150 3304 2398 43 863 +310.19 +/- 11.58
ncm-et-15 08:39:15 1965435 3338 2453 43 842 +316.79 +/- 11.73
20000 14667 249 5084 +316.0 +/- 4.77

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
135679 ncm-et-13 2020-08-22 05:55 00:48:58 1945141 304 216 3 85 +301.78 +/- 37.1
135678 ncm-et-3 2020-08-22 05:54 00:49:48 1964301 322 227 5 90 +294.24 +/- 36.13
135677 ncm-et-15 2020-08-22 05:52 00:52:03 1964766 338 241 3 94 +304.17 +/- 35.23
135676 ncm-et-4 2020-08-22 05:52 00:52:05 1941634 336 242 5 89 +305.01 +/- 36.37
135675 ncm-et-10 2020-08-22 05:50 00:53:46 1957866 339 264 0 75 +362.1 +/- 39.48
135674 ncm-et-9 2020-08-22 05:48 00:56:19 1963224 361 272 4 85 +332.07 +/- 37.26
135673 ncm-et-13 2020-08-22 04:37 01:17:04 1961997 500 350 4 146 +295.94 +/- 28.12
135672 ncm-et-3 2020-08-22 04:36 01:17:24 1963839 500 360 6 134 +306.84 +/- 29.51
135671 ncm-et-15 2020-08-22 04:33 01:17:48 1967391 500 369 3 128 +324.17 +/- 30.13
135670 ncm-et-4 2020-08-22 04:33 01:18:27 1971409 500 376 5 119 +331.77 +/- 31.38
135669 ncm-et-10 2020-08-22 04:32 01:17:18 1965708 500 362 8 130 +306.84 +/- 30.02
135668 ncm-et-9 2020-08-22 04:29 01:17:21 1967711 500 366 7 127 +313.91 +/- 30.37
135667 ncm-et-13 2020-08-22 03:18 01:17:52 1963380 500 367 8 125 +313.91 +/- 30.64
135666 ncm-et-3 2020-08-22 03:18 01:16:33 1965225 500 365 4 131 +316.8 +/- 29.8
135665 ncm-et-15 2020-08-22 03:16 01:16:33 1961385 500 372 4 124 +327.18 +/- 30.68
135664 ncm-et-4 2020-08-22 03:14 01:18:01 1966163 500 369 2 129 +325.67 +/- 29.96
135663 ncm-et-10 2020-08-22 03:13 01:17:35 1963540 500 342 4 154 +285.49 +/- 27.32
135662 ncm-et-9 2020-08-22 03:10 01:18:12 1966167 500 386 5 109 +347.77 +/- 32.85
135661 ncm-et-13 2020-08-22 01:59 01:17:49 1961843 500 370 5 125 +322.67 +/- 30.58
135660 ncm-et-3 2020-08-22 01:58 01:18:32 1963225 500 343 10 147 +279.17 +/- 28.18
135659 ncm-et-15 2020-08-22 01:57 01:17:57 1966786 500 349 10 141 +286.77 +/- 28.8
135658 ncm-et-10 2020-08-22 01:55 01:17:10 1964002 500 380 12 108 +327.18 +/- 32.97
135657 ncm-et-4 2020-08-22 01:55 01:17:39 1976070 500 372 5 123 +325.67 +/- 30.84
135656 ncm-et-9 2020-08-22 01:51 01:17:51 1959084 500 366 3 131 +319.72 +/- 29.76
135655 ncm-et-13 2020-08-22 00:38 01:19:44 1959082 500 367 12 121 +308.24 +/- 31.15
135654 ncm-et-15 2020-08-22 00:38 01:17:33 1969097 500 360 1 139 +313.91 +/- 28.73
135653 ncm-et-3 2020-08-22 00:38 01:19:35 1956184 500 369 5 126 +321.19 +/- 30.45
135652 ncm-et-10 2020-08-22 00:37 01:17:36 1962002 500 362 7 131 +308.24 +/- 29.88
135651 ncm-et-4 2020-08-22 00:34 01:19:20 1933378 500 386 6 108 +346.12 +/- 33.02
135650 ncm-et-9 2020-08-22 00:34 01:16:23 1960002 500 369 5 126 +321.19 +/- 30.45
135649 ncm-et-13 2020-08-21 23:20 01:17:00 1960618 500 361 7 132 +306.84 +/- 29.77
135648 ncm-et-3 2020-08-21 23:19 01:17:22 1960768 500 354 13 133 +289.36 +/- 29.7
135647 ncm-et-15 2020-08-21 23:19 01:18:03 1960309 500 395 14 91 +347.77 +/- 35.72
135646 ncm-et-10 2020-08-21 23:19 01:16:43 1966616 500 352 2 146 +301.33 +/- 28.03
135645 ncm-et-9 2020-08-21 23:15 01:17:32 1963552 500 384 5 111 +344.48 +/- 32.54
135644 ncm-et-4 2020-08-21 23:15 01:18:34 1948800 500 377 4 119 +334.88 +/- 31.35
135643 ncm-et-13 2020-08-21 22:02 01:17:50 1961995 500 367 4 129 +319.72 +/- 30.05
135642 ncm-et-10 2020-08-21 22:00 01:18:02 1960322 500 351 9 140 +290.66 +/- 28.9
135641 ncm-et-3 2020-08-21 21:59 01:18:48 1963378 500 374 5 121 +328.7 +/- 31.11
135640 ncm-et-15 2020-08-21 21:59 01:19:18 1968314 500 367 8 125 +313.91 +/- 30.64
135639 ncm-et-9 2020-08-21 21:56 01:18:09 1966168 500 377 13 110 +321.19 +/- 32.64
135638 ncm-et-4 2020-08-21 21:56 01:17:40 1971898 500 369 4 127 +322.67 +/- 30.3

Commit

Commit ID e64b957274b94e89ad1a6e3ec4571c9082246a0a
Author Unai Corzo
Date 2020-08-21 16:04:14 UTC
Simplify away internal iterative deepening Remove the iterative deepening step. Instead, employ a depth reduction if the position is not in TT and on the PV. STC https://tests.stockfishchess.org/tests/view/5f3ce6eaa95672ddd56c637e LLR: 2.97 (-2.94,2.94) {-0.50,1.50} Total: 41096 W: 4421 L: 4257 D: 32418 Ptnml(0-2): 207, 3259, 13460, 3407, 215 LTC (old) https://tests.stockfishchess.org/tests/view/5f3d7d4fa95672ddd56c640b LLR: 2.92 (-2.94,2.94) {-1.50,0.50} Total: 26032 W: 1320 L: 1309 D: 23403 Ptnml(0-2): 22, 1152, 10654, 1169, 19 LTC (new) https://tests.stockfishchess.org/tests/view/5f3e31e0a95672ddd56c6464 LLR: 2.95 (-2.94,2.94) {-0.75,0.25} Total: 34160 W: 1844 L: 1766 D: 30550 Ptnml(0-2): 33, 1533, 13876, 1599, 39 bench: 3849173
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