Pawn class in python

pawn.py

MAX_X = 8
MAX_Y = 8

class Pawn: 
    def __init__(self,x,y):
        self.x = x
        self.y = y
    def possibleMoves(self):
        moves = []
        if self.x+1 <= MAX_X and self.y <= MAX_Y:
            moves.append((self.x+1,self.y+1))
        if self.x-1 > 0 and self.y <= MAX_Y:
            moves.append((self.x-1,self.y+1))
        return moves