fruit21 - A very strong, UCI compatible Chess engine

Property Value
Distribution openSUSE Tumbleweed
Repository Packman all
Package filename fruit21-2.1-2.15.i586.rpm
Package name fruit21
Package version 2.1
Package release 2.15
Package architecture i586
Package type rpm
Category Amusements/Games/Board/Chess
License GPL-2.0
Maintainer -
Download size 796.14 KB
Installed size 1.60 MB
This is a very strong chess engine, placed second in the 13th world computer chess championship 2005.
It uses the UCI (universal chess interface), for chess engines as communication protocol.
If you want to play against it, you will have to use an UCI capable interface, like scid.
This distribution comes with an opening book of moves that the engine can use for the first few moves of the game.
Using an opening book increases performance in the chess games opening.
As fruit21 uses UCI (universal chess interface) you will need a uci-compliant user interface to play against fruit21.
You can also use polyglot as an "UCI to xboard"-adapter to use togaII with xboard-compatible programs.
Fruit 2.1 was the last version released under GPL (v2); newer versions are closed source but available free of charge.
See and for more information.
Fabien Letouzey <>
Oliver Korff <> (manual page, taken from Debian upstream)
Marc Lacrosse (opening book "Performance.bin")


Package Version Architecture Repository
fruit21-2.1-2.15.x86_64.rpm 2.1 x86_64 Packman
fruit21 - - -


Name Value - - - - - - -


Name Value
fruit21 = 2.1-2.15
fruit21(x86-32) = 2.1-2.15


Type URL
Binary Package fruit21-2.1-2.15.i586.rpm
Source Package fruit21-2.1-2.15.src.rpm

Install Howto

  1. Add the Packman repository:
    # zypper addrepo packman
  2. Install fruit21 rpm package:
    # zypper install fruit21




2009-08-31 -
- added a polyglot startup script (i.e. for use with xboard)
simply typing "xboard -fcp fruit21-polyglot" (engine = white) 
or "xboard -scp fruit21-polyglot" (engine = black) will work
2009-08-27 -
- modified startup
The two scripts /usr/bin/fruit21 and /usr/bin/xfruit21
both check if there is a $HOME/.fruit21 directory
containing an opening book and a polyglot ini-file;
if not, the files are copied from /usr/share/fruit21.
In this way every user can run a "personalized" configuration
as all of the configuration stuff is handled within $HOME.
2009-08-26 -
- fixed wrong error message in xboard-script if polyglot is not installed
2009-08-23 -
- first build for openSUSE, version 2.1

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