for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
if(board[BOARD_HEIGHT-1][k] == bKing)
initialRights[5] = boards[moveNum][CASTLING][5] = k;
+ if(gameInfo.variant == VariantTwoKings) {
+ // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
+ if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
+ if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
+ }
} else { int r;
r = boards[moveNum][CASTLING][0] = initialRights[0];
if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;