def get_max_point(board, points):
    """return the point with the largest value on the board"""
    best_point = (-1, -1)
    best = 0
    for i, j in points:
        if 0 <= i < len(board) and 0 <= j < len(board[0]) and board[i][j] > best:
            best_point = (i, j)
            best = board[i][j]
    return best_point