Dev Builds » 20200904-0555

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 08:36:45 1955266 3331 2458 29 844 +322.09 +/- 11.69
ncm-et-4 08:36:48 1957898 3322 2463 31 828 +324.23 +/- 11.81
ncm-et-9 08:36:36 1965198 3362 2520 32 810 +330.26 +/- 11.95
ncm-et-10 08:36:36 1960735 3296 2447 35 814 +324.01 +/- 11.92
ncm-et-13 08:36:37 1961141 3343 2526 41 776 +332.81 +/- 12.23
ncm-et-15 08:36:34 1969029 3346 2484 40 822 +322.99 +/- 11.87
20000 14898 208 4894 +326.04 +/- 4.86

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
137467 ncm-et-10 2020-09-06 16:54 00:46:36 1959237 296 224 5 67 +330.13 +/- 42.14
137466 ncm-et-3 2020-09-06 16:50 00:51:07 1962766 331 232 1 98 +299.89 +/- 34.25
137465 ncm-et-4 2020-09-06 16:49 00:51:19 1949915 322 227 6 89 +292.19 +/- 36.37
137464 ncm-et-15 2020-09-06 16:47 00:53:09 1966617 346 250 2 94 +313.02 +/- 35.18
137463 ncm-et-13 2020-09-06 16:47 00:53:54 1960921 343 258 4 81 +330.63 +/- 38.19
137462 ncm-et-9 2020-09-06 16:46 00:55:04 1968475 362 279 2 81 +350.43 +/- 38.13
137461 ncm-et-10 2020-09-06 15:35 01:18:06 1963385 500 369 4 127 +322.67 +/- 30.3
137460 ncm-et-3 2020-09-06 15:32 01:16:55 1963532 500 370 5 125 +322.67 +/- 30.58
137459 ncm-et-4 2020-09-06 15:31 01:17:29 1945582 500 356 9 135 +297.28 +/- 29.45
137458 ncm-et-15 2020-09-06 15:28 01:17:54 1963687 500 360 9 131 +302.7 +/- 29.91
137457 ncm-et-13 2020-09-06 15:28 01:17:06 1961076 500 376 7 117 +328.7 +/- 31.7
137456 ncm-et-9 2020-09-06 15:27 01:17:19 1960767 500 372 4 124 +327.18 +/- 30.68
137455 ncm-et-10 2020-09-06 14:16 01:18:00 1965706 500 354 10 136 +293.29 +/- 29.35
137454 ncm-et-3 2020-09-06 14:14 01:16:36 1965689 500 383 6 111 +341.24 +/- 32.56
137453 ncm-et-4 2020-09-06 14:11 01:18:33 1933342 500 368 3 129 +322.67 +/- 30.01
137452 ncm-et-15 2020-09-06 14:11 01:16:27 1972658 500 372 5 123 +325.67 +/- 30.84
137451 ncm-et-9 2020-09-06 14:10 01:15:51 1973427 500 381 7 112 +336.46 +/- 32.42
137450 ncm-et-13 2020-09-06 14:09 01:17:55 1959851 500 378 7 115 +331.77 +/- 31.98
137449 ncm-et-10 2020-09-06 12:56 01:18:20 1959542 500 370 5 125 +322.67 +/- 30.58
137448 ncm-et-3 2020-09-06 12:55 01:17:19 1962303 500 374 6 120 +327.18 +/- 31.27
137447 ncm-et-4 2020-09-06 12:53 01:17:33 1963687 500 371 5 124 +324.17 +/- 30.71
137446 ncm-et-15 2020-09-06 12:53 01:17:21 1968477 500 369 5 126 +321.19 +/- 30.45
137445 ncm-et-9 2020-09-06 12:52 01:17:17 1960926 500 386 4 110 +349.43 +/- 32.67
137444 ncm-et-13 2020-09-06 12:51 01:17:28 1962302 500 383 6 111 +341.24 +/- 32.56
137443 ncm-et-10 2020-09-06 11:35 01:20:04 1958477 500 376 5 119 +331.77 +/- 31.38
137442 ncm-et-4 2020-09-06 11:35 01:16:14 1978409 500 387 5 108 +349.43 +/- 33.01
137441 ncm-et-15 2020-09-06 11:35 01:16:52 1971720 500 389 7 104 +349.43 +/- 33.67
137440 ncm-et-3 2020-09-06 11:34 01:20:00 1911195 500 364 6 130 +312.48 +/- 29.98
137439 ncm-et-9 2020-09-06 11:33 01:17:29 1967092 500 362 5 133 +311.06 +/- 29.6
137438 ncm-et-13 2020-09-06 11:33 01:17:17 1960308 500 384 11 105 +334.88 +/- 33.45
137437 ncm-et-10 2020-09-06 10:18 01:16:24 1960635 500 382 6 112 +339.63 +/- 32.41
137436 ncm-et-3 2020-09-06 10:17 01:16:14 1960922 500 357 4 139 +305.45 +/- 28.87
137435 ncm-et-4 2020-09-06 10:17 01:17:24 1962476 500 387 2 111 +354.5 +/- 32.44
137434 ncm-et-15 2020-09-06 10:17 01:16:58 1974048 500 376 8 116 +327.18 +/- 31.84
137433 ncm-et-9 2020-09-06 10:16 01:16:41 1960001 500 371 7 122 +321.19 +/- 31.02
137432 ncm-et-13 2020-09-06 10:15 01:16:34 1960461 500 384 3 113 +347.77 +/- 32.18
137431 ncm-et-15 2020-09-06 08:58 01:17:53 1965996 500 368 4 128 +321.19 +/- 30.17
137430 ncm-et-10 2020-09-06 08:58 01:19:06 1958164 500 372 0 128 +333.32 +/- 29.97
137429 ncm-et-9 2020-09-06 08:58 01:16:55 1965702 500 369 3 128 +324.17 +/- 30.13
137428 ncm-et-3 2020-09-06 08:57 01:18:34 1960461 500 378 1 121 +341.24 +/- 30.94
137427 ncm-et-13 2020-09-06 08:57 01:16:23 1963071 500 363 3 134 +315.35 +/- 29.4
137426 ncm-et-4 2020-09-06 08:57 01:18:16 1971876 500 367 1 132 +324.17 +/- 29.54

Commit

Commit ID 0e1f734b05ee5c67e9a17ae0e2045a64209dee05
Author Unai Corzo
Date 2020-09-04 05:55:41 UTC
Less pruning in qsearch do not prune moves that give discovery checks, even if with negative SSE. STC https://tests.stockfishchess.org/tests/view/5f4cb5e8ba100690c5cc5d25 LLR: 2.96 (-2.94,2.94) {-0.25,1.25} Total: 91328 W: 9940 L: 9667 D: 71721 Ptnml(0-2): 491, 7345, 29693, 7670, 465 LTC https://tests.stockfishchess.org/tests/view/5f4dbc2eba100690c5cc5dac LLR: 2.97 (-2.94,2.94) {0.25,1.25} Total: 52448 W: 2799 L: 2586 D: 47063 Ptnml(0-2): 53, 2220, 21459, 2445, 47 closes https://github.com/official-stockfish/Stockfish/pull/3098 bench: 4031192
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