public class Horse extends ChessPiece {

public Horse(String color) {

super(color);

}

@Override

public String getColor() {

return this.color;

}

@Override

public boolean canMoveToPosition(ChessBoard chessBoard, int line, int column, int toLine, int toColumn) {

if (checkPos(line) && checkPos(column) && checkPos(toLine) && checkPos(toColumn)) {

if (line != toLine && column != toColumn && (chessBoard.board[toLine][toColumn] == null || // check that horse

!chessBoard.board[toLine][toColumn].color.equals(this.color)) && // can't move out

chessBoard.board[line][column] != null) { // position is empty

if (!chessBoard.board[line][column].equals(this)) {

return false;

}

// all positions for horse

int[][] positions = new int[][]{

{line - 2, column - 1}, {line - 2, column + 1},

{line + 2, column - 1}, {line + 2, column + 1},

{line - 1, column - 2}, {line - 1, column + 2},

{line + 1, column - 2}, {line + 1, column + 2}};

for (int i = 0; i < positions.length; i++) {

if (positions[i][0] == toLine && positions[i][1] == toColumn)

return true; // check that toLine and toColumn

} // in positions

}

} else return false;

return false;

}

@Override

public String getSymbol() {

return "H";

}

public boolean checkPos(int pos) { // check that our position is correct

if (pos >= 0 && pos <= 7) return true;

else return false;

}

}