英雄联盟赛事数据手机版
|
|
GNU Chess 6.0.0 running with the
XBoard
front end, v. 4.1.5.
|
|
| Developer(s) | GNU Project |
|---|---|
| Initial release | 1984 |
| Stable release |
6.2.9
[1]
/ 13 July 2021
|
| Repository | |
| Operating system | Linux , Unix , macOS , Windows |
| Type | Computer chess |
| License |
2010
[a]
:
GPL-3.0-or-later
1992 [b] : GPL-2.0-or-later 1986: Chess-GPL [c] [2] [3] |
| Website |
www
|
| This article is part of the series on |
| Chess programming |
|---|
|
GNU Chess is a free software chess engine which plays a full game of chess against a human being or other computer program. The goal of GNU Chess is to serve as a basis for research. It has been used in numerous research contexts.
GNU Chess is free software, licensed under the terms of the GNU General Public License version 3 or any later version, and is maintained by collaborating developers. As one of the earliest computer chess programs with full source code available, it is one of the oldest for Unix -based systems and has since been ported to many other platforms .
Features [ edit ]
As of 2 September 2017 GNU Chess 5.60 is rated at 2813 Elo points (when using one CPU) on CCRL 's 40-moves-in-40-minutes list. For comparison, the strongest chess engine in the list using one CPU, Strelka 5.5 , has an Elo rating of 3108 (the 295 ELO point difference indicates that Strelka 5.5 would beat GNU Chess 5.60 in about 85% of games). On the same list, Fritz 8 is rated at only 2701, and that program in the 2004 Man vs Machine World Team Championship beat grandmasters Sergey Karjakin , Veselin Topalov and reached a draw with Ruslan Ponomariov . The IQ6 test suite (a collection of chess problems from Livshits's book Test Your Chess IQ ) indicates that on a single core of an Intel Core 2 Duo CPU GNU Chess performs at the senior master/weak international master strength of 2500+ on the Elo rating system . [ citation needed ]
It is often used in conjunction with a GUI program such as XBoard or GNOME Chess , where it is included as the default engine. Initial versions of XBoard's Chess Engine Communication Protocol were based on GNU Chess's command-line interface . Version 6 also supports the Universal Chess Interface (UCI). Since version 6.1 GNU chess supports a graphical mode for terminal emulators.
History [ edit ]
The first version of GNU Chess was written by Stuart Cracraft. Having started in 1984 in collaboration with Richard Stallman prior to his founding of the GNU Project , GNU Chess became one of the first parts of GNU. [ citation needed ]
GNU Chess has been enhanced and expanded since. Versions from 2 to 4 were written by John Stanback. Version 5 of GNU Chess was based on the Cobalt chess engine written by Chua Kong-Sian. [4]
In 2011, GNU Chess transitioned to version 6, which is based on Fabien Letouzey's Fruit 2.1 chess engine . According to CEGT [5] version 5.60 of this code base is stronger than Fruit 2.3, the latest version of that chess engine.
See also [ edit ]
.svg/28px-Free_and_open-source_software_logo_(2009).svg.png){kind=logo}
Notes [ edit ]
References [ edit ]
- ^ Antonio Ceballos Roa (14 July 2021). "GNU Chess 6.2.9 released" . Retrieved 18 July 2021 .
- ^ "GNU Chess General Public License" . 1986.
- ^ Yigit, Ozan (1986-12-17). "yetti's Christmas/New Year goodies (gnu chess)" . Newsgroup : ont.general .
- ^ "Redirecting to Google Groups" .
- ^ "The CEGT rating list" . Archived from the original on 2011-03-08.