var i, flag;
if (white_frc_columns !== null) {
for (i = 0; i < white_frc_columns.length; ++i) {
- var sq = SQUARES.a1 + (white_frc_columns[0].charCodeAt(0) - "A".charCodeAt(0));
+ var sq = SQUARES.a1 + (white_frc_columns[i].charCodeAt(0) - "A".charCodeAt(0));
flag = sq < kings[WHITE] ? BITS.QSIDE_CASTLE : BITS.KSIDE_CASTLE;
castling.w |= flag;
rooks[WHITE].push({square: sq, flag: flag});
var black_frc_columns = tokens[2].match(/[a-h]/g);
if (black_frc_columns !== null) {
for (i = 0; i < black_frc_columns.length; ++i) {
- var sq = SQUARES.a1 + (black_frc_columns[0].charCodeAt(0) - "A".charCodeAt(0));
+ var sq = SQUARES.a8 + (black_frc_columns[i].charCodeAt(0) - "a".charCodeAt(0));
flag = sq < kings[BLACK] ? BITS.QSIDE_CASTLE : BITS.KSIDE_CASTLE;
castling.b |= flag;
rooks[BLACK].push({square: sq, flag: flag});
if (move.flags & BITS.KSIDE_CASTLE) {
var castling_to = move.to - 1;
var castling_from = move.rook_sq;
- board[castling_to] = board[castling_from];
- if(castling_from !== move.to)
+ board[castling_to] = {type: ROOK, color: us};
+ if(castling_from !== move.to && castling_from !== castling_to)
board[castling_from] = null;
} else if (move.flags & BITS.QSIDE_CASTLE) {
var castling_to = move.to + 1;
var castling_from = move.rook_sq;
- board[castling_to] = board[castling_from];
- if(castling_from !== move.to)
+ board[castling_to] = {type: ROOK, color: us};
+ if(castling_from !== move.to && castling_from !== castling_to)
board[castling_from] = null;
}
castling_from = move.to + 1;
}
- board[castling_to] = board[castling_from];
- if(castling_from !== move.from)
+ board[castling_to] = {type: ROOK, color: us};
+ if(castling_from !== move.from && castling_from !== castling_to)
board[castling_from] = null;
}