realChecks.py

    def attackViaCol(self,pos):
        for queen in self.queenPositions:
            if(pos[1] == queen[1] and queen != pos): # last inqueality checks to make sure you arent comparing the same queen
                return True
        return False

    def attackViaRow(self,pos):
        for queen in self.queenPositions:
            if(pos[0] == queen[0] and queen != pos):
                return True
        return False

    def attackViaDiagonal(self,pos):
        for queen in self.queenPositions:
            if (abs(queen[0] - pos[0]) == abs(queen[1] - pos[1]) and queen != pos):
                return True
        return False