Dev Builds » 20210805-0644

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 08:17:00 1960453 3329 2778 10 541 +414.46 +/- 14.64
ncm-et-4 08:17:19 1963266 3353 2821 7 525 +423.39 +/- 14.86
ncm-et-9 08:17:04 1962744 3341 2806 8 527 +421.32 +/- 14.84
ncm-et-10 08:17:06 1953837 3316 2780 5 531 +420.6 +/- 14.77
ncm-et-13 08:17:00 1957853 3340 2789 11 540 +414.75 +/- 14.66
ncm-et-15 08:17:10 1958436 3321 2799 6 516 +425.48 +/- 14.99
20000 16773 47 3180 +419.96 +/- 6.03

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
150728 ncm-et-10 2021-08-10 04:56 00:46:49 1963278 316 261 1 54 +404.89 +/- 47.11
150727 ncm-et-15 2021-08-10 04:55 00:48:03 1965541 321 268 1 52 +414.79 +/- 48.08
150726 ncm-et-3 2021-08-10 04:54 00:48:55 1952556 329 277 3 49 +415.98 +/- 49.64
150725 ncm-et-9 2021-08-10 04:51 00:52:07 1958781 341 284 1 56 +412.7 +/- 46.25
150724 ncm-et-13 2021-08-10 04:50 00:52:03 1952869 340 281 2 57 +402.54 +/- 45.87
150723 ncm-et-4 2021-08-10 04:50 00:53:04 1966502 353 304 1 48 +447.17 +/- 50.21
150722 ncm-et-10 2021-08-10 03:40 01:15:13 1949181 500 425 2 73 +431.48 +/- 40.4
150721 ncm-et-15 2021-08-10 03:39 01:14:49 1958471 500 429 0 71 +446.7 +/- 40.89
150720 ncm-et-3 2021-08-10 03:37 01:15:29 1956641 500 411 1 88 +401.92 +/- 36.6
150719 ncm-et-9 2021-08-10 03:35 01:14:31 1960921 500 421 2 77 +421.93 +/- 39.29
150718 ncm-et-4 2021-08-10 03:35 01:14:05 1971733 500 416 1 83 +412.8 +/- 37.74
150717 ncm-et-13 2021-08-10 03:35 01:15:10 1949041 500 413 1 86 +406.2 +/- 37.04
150716 ncm-et-10 2021-08-10 02:23 01:15:58 1956250 500 406 0 94 +393.6 +/- 35.29
150715 ncm-et-15 2021-08-10 02:23 01:15:25 1937996 500 434 1 65 +457.52 +/- 42.89
150714 ncm-et-3 2021-08-10 02:22 01:14:27 1968004 500 417 3 80 +410.58 +/- 38.54
150713 ncm-et-4 2021-08-10 02:21 01:12:45 1964308 500 424 3 73 +426.65 +/- 40.41
150712 ncm-et-9 2021-08-10 02:21 01:13:30 1960645 500 435 2 63 +457.52 +/- 43.63
150711 ncm-et-13 2021-08-10 02:20 01:14:24 1959696 500 415 2 83 +408.38 +/- 37.78
150710 ncm-et-10 2021-08-10 01:08 01:14:36 1959416 500 416 0 84 +415.04 +/- 37.43
150709 ncm-et-15 2021-08-10 01:08 01:14:51 1960620 500 413 1 86 +406.2 +/- 37.04
150708 ncm-et-4 2021-08-10 01:07 01:13:22 1963747 500 413 0 87 +408.38 +/- 36.75
150707 ncm-et-3 2021-08-10 01:06 01:15:51 1952397 500 431 1 68 +449.35 +/- 41.89
150706 ncm-et-9 2021-08-10 01:05 01:15:38 1957427 500 409 0 91 +399.81 +/- 35.89
150705 ncm-et-13 2021-08-10 01:05 01:13:57 1964363 500 422 2 76 +424.28 +/- 39.56
150704 ncm-et-10 2021-08-09 23:53 01:14:21 1944924 500 431 0 69 +452.04 +/- 41.5
150703 ncm-et-15 2021-08-09 23:53 01:14:16 1968868 500 411 1 88 +401.92 +/- 36.6
150702 ncm-et-4 2021-08-09 23:52 01:15:01 1954847 500 435 1 64 +460.32 +/- 43.24
150701 ncm-et-13 2021-08-09 23:51 01:13:25 1959291 500 423 1 76 +429.05 +/- 39.52
150700 ncm-et-3 2021-08-09 23:51 01:14:21 1959405 500 413 1 86 +406.2 +/- 37.04
150699 ncm-et-9 2021-08-09 23:50 01:14:32 1970951 500 428 1 71 +441.5 +/- 40.95
150698 ncm-et-15 2021-08-09 22:37 01:15:05 1950639 500 416 2 82 +410.58 +/- 38.02
150697 ncm-et-3 2021-08-09 22:36 01:14:01 1966476 500 409 1 90 +397.72 +/- 36.17
150696 ncm-et-10 2021-08-09 22:36 01:16:23 1940423 500 424 0 76 +433.94 +/- 39.45
150695 ncm-et-4 2021-08-09 22:36 01:15:31 1955568 500 407 0 93 +395.65 +/- 35.48
150694 ncm-et-13 2021-08-09 22:36 01:14:50 1960476 500 421 1 78 +424.28 +/- 38.99
150693 ncm-et-9 2021-08-09 22:35 01:13:44 1966476 500 410 0 90 +401.92 +/- 36.1
150692 ncm-et-9 2021-08-09 21:22 01:13:02 1964010 500 419 2 79 +417.32 +/- 38.77
150691 ncm-et-13 2021-08-09 21:22 01:13:11 1959238 500 414 2 84 +406.2 +/- 37.55
150690 ncm-et-3 2021-08-09 21:22 01:13:56 1967696 500 420 0 80 +424.27 +/- 38.4
150689 ncm-et-10 2021-08-09 21:22 01:13:46 1963388 500 417 2 81 +412.8 +/- 38.27
150688 ncm-et-15 2021-08-09 21:22 01:14:41 1966922 500 428 0 72 +444.08 +/- 40.59
150687 ncm-et-4 2021-08-09 21:22 01:13:31 1966162 500 422 1 77 +426.65 +/- 39.25

Commit

Commit ID 31ebd918ea54b8c9fccbc1e1fa269772ed0949df
Author VoyagerOne
Date 2021-08-05 06:44:38 UTC
Futile pruning simplification Remove CMH conditions in futile pruning. STC: LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 93520 W: 7165 L: 7138 D: 79217 Ptnml(0-2): 222, 5923, 34427, 5982, 206 https://tests.stockfishchess.org/tests/view/61083104e50a153c346ef8df LTC: LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 59072 W: 1746 L: 1706 D: 55620 Ptnml(0-2): 13, 1562, 26353, 1588, 20 https://tests.stockfishchess.org/tests/view/610894f2e50a153c346ef913 closes https://github.com/official-stockfish/Stockfish/pull/3638 Bench: 5229673
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