SXC, Simple XML for chess, is a very much simplified and little modified ChessGML. SXC will likely grow more complex as the demands of Grue project grow. Now just problems and games with no variations or annotations are supported. There are some changes when compared to ChessGML * player element with surname and firstname child elements * opening element with nic, eco and name child elements * the c (colour) attribute of the p element is not obligatory because it can usually be found from the parent element.. A half move. The from and to squares. The square as a string. Valid values are a1-h8. The side that is moving. w for White and b for black. 1 if the move is a capture. 1 if the move is a check. 1 if the move is a mate. The piece a pawn is promoted to. The move as a SAN string. The player in a chess game. The surname of a player. The first name of a player. The date of a game. The year of a date. The month of a date. The day of a date. The piece which is moving. The colour of the piece. The symbol of a piece. Valid values are k, q, r, b, n and p. The current position. A rank of the chess board. A file of the chess board. A rank of the chess board. The file. One of 'a'-'h'. The rank. One of '1'-'8'. The type of the position. "start" is currently the only attribute. The active side. Either 'w' or 'b'. The root element for SXC. A set of problems. A problem. The side to move in human readable format i.e "White to move" or "Black to move". What should the active side achive? The container for moves. The number of plies. Unique numeric id for the problem. A game of chess. The roster information i.e. who, where, when and so on. The container for site and event information. The name of the event. The name of the site. The two sides of a chess game. The white side of a game. The black side of a game. The result of a game. The result which can be one of strings 1-0, 0-1, draw, unknown or noresult. The reason for result which can be of the strings resigned, agreed, mate, stalemate, time, rules, adjudication, bye, emergency, death, forfeit, withdrawn, abandoned, notyetplayed, notyetfinished or reasonUnknown. The opening classification. The New in Chess classification. The ECO classification. The name of the opening. The language of the name. Valid values include fi, fi_FI, en. The moves of the game. The container for a half move pair or for a single move in the end of the game. The number of half moves.