Xfcc is short for XML web services for correspondence chess.

The idea of Xfcc is to define protocols for exchanging data between correspondence chess organizations, servers, and software.

The first protocol defined is called XfccBasic. XfccBasic is used to exchange game data between correspondence chess servers and client software. The client software can be used to query the server for a list of games of the player, and to submit a move to the server.

XfccBasic is based on Web services and the PGN standard.

You can download the technical specification of XfccBasic (4th draft) here.
You can find an updated WSDL file at http://www.xfcc.org/xfccbasic.wsdl.

XfccBasic is currently supported by the following servers:

ICCF - The International Correspondence Chess Federation
SchemingMind
myChess.de

and by the following clients:

Chessbase Chessbase 10 and Chessbase Light 2009 premium
Scid A free chess database app
Aquarium	www.chessok.com
XECTool	XECTool by Andres Valverde
Your Move Correspondence Chess for Android by Asim Pereira

Xfcc is an idea of and maintained by Martin Bennedik. You can send me email at bennedik@googlemail.com.