Dev Builds » 20211221-1247

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 11:16:54 1957299 3338 2871 3 464 +448.29 +/- 15.81
ncm-et-4 11:17:07 1957048 3335 2899 10 426 +457.89 +/- 16.53
ncm-et-9 11:16:54 1959142 3346 2881 5 460 +448.73 +/- 15.89
ncm-et-10 11:12:55 1953673 3334 2840 3 491 +437.6 +/- 15.36
ncm-et-13 11:17:04 1954361 3323 2849 5 469 +443.9 +/- 15.73
ncm-et-15 11:16:53 1955145 3324 2876 2 446 +455.62 +/- 16.13
20000 17216 28 2756 +448.56 +/- 6.48

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
155648 ncm-et-10 2021-12-22 06:43 00:54:17 1958318 262 229 0 33 +469.02 +/- 61.14
155647 ncm-et-13 2021-12-22 06:31 01:06:26 1953752 323 280 0 43 +458.73 +/- 53.1
155646 ncm-et-15 2021-12-22 06:30 01:06:38 1955589 324 277 0 47 +442.7 +/- 50.63
155645 ncm-et-3 2021-12-22 06:30 01:06:48 1962466 338 286 1 51 +428.08 +/- 48.6
155644 ncm-et-4 2021-12-22 06:29 01:08:04 1963255 335 292 0 43 +465.51 +/- 53.12
155643 ncm-et-9 2021-12-22 06:26 01:10:38 1958029 346 294 0 52 +436.06 +/- 48.01
155642 ncm-et-10 2021-12-22 05:01 01:41:35 1954356 500 419 2 79 +417.32 +/- 38.77
155641 ncm-et-15 2021-12-22 04:48 01:41:28 1956638 500 434 0 66 +460.32 +/- 42.48
155640 ncm-et-13 2021-12-22 04:46 01:43:50 1953291 500 422 1 77 +426.65 +/- 39.25
155639 ncm-et-3 2021-12-22 04:46 01:43:39 1955567 500 433 1 66 +454.76 +/- 42.55
155638 ncm-et-4 2021-12-22 04:46 01:42:45 1945870 500 432 1 67 +452.04 +/- 42.22
155637 ncm-et-9 2021-12-22 04:43 01:43:02 1956800 500 427 1 72 +438.95 +/- 40.66
155636 ncm-et-10 2021-12-22 03:19 01:40:26 1950702 500 427 1 72 +438.95 +/- 40.66
155635 ncm-et-15 2021-12-22 03:09 01:38:48 1960618 500 420 0 80 +424.27 +/- 38.4
155634 ncm-et-13 2021-12-22 03:05 01:39:57 1960655 500 436 1 63 +463.16 +/- 43.6
155633 ncm-et-4 2021-12-22 03:04 01:40:35 1964324 500 444 3 53 +481.1 +/- 47.7
155632 ncm-et-3 2021-12-22 03:03 01:42:24 1953281 500 433 0 67 +457.52 +/- 42.15
155631 ncm-et-9 2021-12-22 03:01 01:41:22 1958059 500 440 1 59 +474.93 +/- 45.13
155630 ncm-et-10 2021-12-22 01:38 01:40:52 1949487 500 429 0 71 +446.7 +/- 40.89
155629 ncm-et-15 2021-12-22 01:24 01:43:43 1955577 500 432 0 68 +454.76 +/- 41.82
155628 ncm-et-3 2021-12-22 01:23 01:39:02 1960006 500 422 0 78 +429.05 +/- 38.92
155627 ncm-et-13 2021-12-22 01:21 01:43:22 1956070 500 425 1 74 +433.94 +/- 40.08
155626 ncm-et-9 2021-12-22 01:21 01:38:56 1964611 500 425 2 73 +431.48 +/- 40.4
155625 ncm-et-4 2021-12-22 01:20 01:43:28 1953593 500 423 2 75 +426.65 +/- 39.83
155624 ncm-et-10 2021-12-21 23:57 01:40:12 1956183 500 418 0 82 +419.61 +/- 37.91
155623 ncm-et-15 2021-12-21 23:43 01:41:01 1954045 500 439 0 61 +474.93 +/- 44.28
155622 ncm-et-3 2021-12-21 23:41 01:41:04 1953744 500 433 0 67 +457.52 +/- 42.15
155621 ncm-et-9 2021-12-21 23:40 01:40:44 1960619 500 423 0 77 +431.48 +/- 39.18
155620 ncm-et-13 2021-12-21 23:39 01:41:23 1953131 500 432 1 67 +452.04 +/- 42.22
155619 ncm-et-4 2021-12-21 23:38 01:41:14 1953129 500 441 0 59 +481.09 +/- 45.07
155618 ncm-et-10 2021-12-21 22:14 01:42:03 1950091 500 428 0 72 +444.08 +/- 40.59
155617 ncm-et-3 2021-12-21 21:59 01:41:41 1958015 500 428 1 71 +441.5 +/- 40.95
155616 ncm-et-15 2021-12-21 21:58 01:43:43 1952672 500 441 1 58 +477.99 +/- 45.54
155615 ncm-et-9 2021-12-21 21:57 01:41:33 1955873 500 432 0 68 +454.76 +/- 41.82
155614 ncm-et-13 2021-12-21 21:57 01:41:57 1942688 500 425 1 74 +433.94 +/- 40.08
155613 ncm-et-4 2021-12-21 21:56 01:41:20 1951314 500 430 1 69 +446.7 +/- 41.57
155612 ncm-et-10 2021-12-21 20:35 01:38:34 1960005 500 432 0 68 +454.76 +/- 41.82
155611 ncm-et-9 2021-12-21 20:16 01:40:39 1960007 500 440 1 59 +474.93 +/- 45.13
155610 ncm-et-4 2021-12-21 20:16 01:39:41 1967851 500 437 3 60 +460.32 +/- 44.73
155609 ncm-et-3 2021-12-21 20:16 01:42:16 1958016 500 436 0 64 +466.03 +/- 43.18
155608 ncm-et-13 2021-12-21 20:16 01:40:09 1960943 500 429 0 71 +446.7 +/- 40.89
155607 ncm-et-10 2021-12-21 20:16 00:14:56 1950245 72 58 0 14 +387.1 +/- 97.45
155606 ncm-et-15 2021-12-21 20:16 01:41:32 1950876 500 433 1 66 +454.76 +/- 42.55

Commit

Commit ID 88f17a814d80cdb32ccf9efb7b56bb36d7bf052b
Author bmc4
Date 2021-12-21 12:47:57 UTC
Update Elo estimates for terms in search This updates estimates from 2yr ago #2401, and adds missing terms. All tests run at 10+0.1 (STC), 20000 games, error bars +- 1.8 Elo, book 8moves_v3.png. A table of Elo values with the links to the corresponding tests can be found at the PR closes https://github.com/official-stockfish/Stockfish/pull/3868 Non-functional Change
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