import chess

import chess.svg


def is_valid_chess_notation(moves):
    """
    Checks if the given list of chess moves is valid.
    Requires:
        pip install python-chess
    Maybe one person will find this interesting?
    
    Parameters:
    moves (list): A list of strings where each string is a move in standard algebraic notation.
    
    Returns:
    bool: True if the moves are valid, False otherwise.
    """
    board = chess.Board()
    
    try:
        for move in moves:
            chess_move = board.parse_san(move)
            board.push(chess_move)
            #print(board)
            #print("--------------")
    except ValueError:
        return False
    return True

# Example usage:
moves = ["e4", "e5", "Nf3", "Nc6", "Bb5", "a6", "Ba4", "Nf6", "O-O", "Be7", "Re1", "b5", "Bb3", "d6", "c3", "O-O", "h3"]
print(is_valid_chess_notation(moves))  # Output: True

moves_invalid = ["e4", "e4"]
print(is_valid_chess_notation(moves_invalid))  # Output: False