| GNU Go | |
|---|---|
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| Developer | GNU Go Team |
| Initial release | 13 March 1989; 36 years ago (1989-03-13)[1] |
| Operating system | Linux,Windows,macOS |
| Type | Computer Go |
| License | GNU GPLv3 |
| Website | www |
| Repository | |
GNU Go is afree software program by theFree Software Foundation that playsGo. Itssource code is quite[clarification needed] portable, and can be easily compiled forLinux, as well as otherUnix-like systems,Microsoft Windows andmacOS;ports exist for other platforms.
The program plays Go against the user, at about 5 to 7kyu strength on the 9×9 board. Multiple board sizes are supported, from 5×5 to 19×19.
At this level of performance, GnuGo was between six and seven stones weaker than the top commercial programs on good hardware as of early 2009, but comparable in strength to the strongest programs not usingMonte Carlo methods. It did well at manycomputer Go tournaments. For instance, it took the gold medal at the 2003 and 2006Computer Olympiad[2] and second place at the 2006 Gifu Challenge.[3]
AlthoughASCII-based, GNU Go supports two protocols—the Go Modem Protocol and theGo Text Protocol—by whichGUIs can interface with it to give a graphical display. Several suchGUIs exist. GTP also allows it to play online on Go servers (through the use of bridge programs), and copies can be found running on NNGS,KGS, and probably others.
The current (stable) version of GNU Go is 3.8. The latest experimental release was 3.9.1. There is also an experimental feature for using Monte Carlo methods for 9×9 board play.
A version called Pocket GNU Go, based on GNU Go 2.6, is available for theWindows CE operating system (Pocket PC). Versions based on the much weaker 1.2 engine also exist for theGame Boy Advance andPalm Pilot.
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