Dev Builds » 20211205-1650

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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 11:11:41 1959614 3332 2891 6 435 +457.31 ± 16.35
ncm-et-4 11:12:17 1959009 3325 2868 10 447 +448.75 ± 16.13
ncm-et-9 11:11:00 1962644 3356 2863 3 490 +439.21 ± 15.38
ncm-et-10 11:12:01 1956925 3306 2831 5 470 +442.54 ± 15.71
ncm-et-13 11:11:33 1963199 3356 2856 4 496 +436.21 ± 15.29
ncm-et-15 11:12:15 1956480 3325 2868 7 450 +449.96 ± 16.07
20000 17177 35 2788 +445.52 ± 6.44

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
155029 ncm-et-10 2021-12-09 13:46 01:07:36 1950853 330 291 0 39 +480.8 ± 55.98
155028 ncm-et-3 2021-12-09 13:46 01:07:43 1962654 341 290 0 51 +436.98 ± 48.5
155027 ncm-et-4 2021-12-09 13:45 01:08:30 1961694 336 290 0 46 +453.52 ± 51.24
155026 ncm-et-9 2021-12-09 13:44 01:10:03 1961079 350 303 0 47 +457.12 ± 50.67
155025 ncm-et-13 2021-12-09 13:43 01:10:06 1960314 355 310 1 44 +463.76 ± 52.6
155024 ncm-et-15 2021-12-09 13:43 01:10:28 1956177 348 301 0 47 +456.05 ± 50.67
155023 ncm-et-3 2021-12-09 12:04 01:41:36 1961538 500 445 1 54 +490.71 ± 47.28
155022 ncm-et-9 2021-12-09 12:04 01:39:14 1966925 500 422 0 78 +429.05 ± 38.92
155021 ncm-et-13 2021-12-09 12:04 01:39:13 1966460 500 432 0 68 +454.76 ± 41.82
155020 ncm-et-10 2021-12-09 12:04 01:41:46 1956664 500 412 0 88 +406.2 ± 36.53
155019 ncm-et-4 2021-12-09 12:03 01:41:17 1960154 500 440 0 60 +477.98 ± 44.67
155018 ncm-et-15 2021-12-09 12:03 01:39:08 1961849 500 438 1 61 +468.96 ± 44.35
154843 ncm-et-13 2021-12-07 15:05 00:01:06 1966620 1 0 0 1 0.0 ± 30.47
154842 ncm-et-9 2021-12-07 15:03 00:02:25 1963379 6 6 0 0 +1199.83 ± 215.27
154841 ncm-et-15 2021-12-07 13:28 01:37:35 1940353 477 403 1 73 +427.57 ± 40.35
154840 ncm-et-10 2021-12-07 13:28 01:37:50 1955314 476 419 0 57 +478.37 ± 45.87
154839 ncm-et-4 2021-12-07 13:27 01:38:57 1959435 489 416 3 70 +429.76 ± 41.3
154838 ncm-et-13 2021-12-07 13:26 01:38:29 1965539 500 415 0 85 +412.8 ± 37.2
154837 ncm-et-3 2021-12-07 13:25 01:40:57 1949487 491 420 1 70 +440.68 ± 41.25
154836 ncm-et-9 2021-12-07 13:22 01:40:57 1960509 500 422 2 76 +424.28 ± 39.56
154835 ncm-et-15 2021-12-07 11:47 01:40:52 1960317 500 428 3 69 +436.43 ± 41.61
154834 ncm-et-13 2021-12-07 11:46 01:39:50 1963384 500 424 0 76 +433.94 ± 39.45
154833 ncm-et-10 2021-12-07 11:45 01:42:28 1956482 500 412 1 87 +404.05 ± 36.82
154832 ncm-et-3 2021-12-07 11:44 01:39:52 1964151 500 444 0 56 +490.71 ± 46.32
154831 ncm-et-4 2021-12-07 11:43 01:43:02 1953739 500 434 2 64 +454.76 ± 43.27
154830 ncm-et-9 2021-12-07 11:40 01:41:04 1956796 500 415 1 84 +410.58 ± 37.5
154829 ncm-et-15 2021-12-07 10:06 01:39:43 1959694 500 434 2 64 +454.76 ± 43.27
154828 ncm-et-13 2021-12-07 10:05 01:40:10 1961231 500 427 0 73 +441.5 ± 40.29
154827 ncm-et-3 2021-12-07 10:04 01:39:32 1960627 500 428 1 71 +441.5 ± 40.95
154826 ncm-et-10 2021-12-07 10:04 01:40:20 1956649 500 434 2 64 +454.76 ± 43.27
154825 ncm-et-4 2021-12-07 10:02 01:40:35 1960922 500 431 2 67 +446.7 ± 42.25
154824 ncm-et-9 2021-12-07 10:00 01:38:53 1960160 500 435 0 65 +463.15 ± 42.83
154823 ncm-et-15 2021-12-07 08:25 01:40:30 1962151 500 429 0 71 +446.7 ± 40.89
154822 ncm-et-10 2021-12-07 08:24 01:39:31 1963427 500 431 1 68 +449.35 ± 41.89
154821 ncm-et-13 2021-12-07 08:22 01:41:49 1957861 500 424 0 76 +433.94 ± 39.45
154820 ncm-et-3 2021-12-07 08:22 01:41:41 1953150 500 432 2 66 +449.35 ± 42.58
154819 ncm-et-9 2021-12-07 08:20 01:39:14 1966463 500 433 0 67 +457.52 ± 42.15
154818 ncm-et-4 2021-12-07 08:20 01:41:38 1953743 500 425 1 74 +433.94 ± 40.08
154817 ncm-et-13 2021-12-07 06:41 01:40:50 1964190 500 424 3 73 +426.65 ± 40.41
154816 ncm-et-3 2021-12-07 06:41 01:40:20 1965692 500 432 1 67 +452.04 ± 42.22
154815 ncm-et-9 2021-12-07 06:41 01:39:10 1965846 500 427 0 73 +441.5 ± 40.29
154814 ncm-et-10 2021-12-07 06:41 01:42:30 1959087 500 432 1 67 +452.04 ± 42.22
154813 ncm-et-4 2021-12-07 06:41 01:38:18 1963379 500 432 2 66 +449.35 ± 42.58
154812 ncm-et-15 2021-12-07 06:41 01:43:59 1954820 500 435 0 65 +463.15 ± 42.83

Commit

Commit ID a6a9d828ab4cc35ca0f64207e2ff818a391d1939
Author bmc4
Date 2021-12-05 16:50:04 UTC
Simplifies bestMoveChanges from LMR As bestMoveChanges is only reset on mainThread and it could change how other threads search, a multi-threads test was made. STC: LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 146776 W: 37934 L: 37941 D: 70901 Ptnml(0-2): 477, 15644, 41173, 15597, 497 https://tests.stockfishchess.org/tests/view/61a8f9f34ed77d629d4ea2d6 LTC: LLR: 3.11 (-2.94,2.94) <-2.25,0.25> Total: 114040 W: 29314 L: 29269 D: 55457 Ptnml(0-2): 50, 10584, 35722, 10599, 65 https://tests.stockfishchess.org/tests/view/61a9d4bf9e8855bba1a35c4f (SMP, 8 threads) STC: LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 23888 W: 6308 L: 6143 D: 11437 Ptnml(0-2): 36, 2557, 6600, 2708, 43 https://tests.stockfishchess.org/tests/view/61ac27a756fcf33bce7d3677 closes https://github.com/official-stockfish/Stockfish/pull/3831 bench: 4829419
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