First draft

class ChessGame:
    def __init__(self):
        self.board = self.initialize_board()

    def initialize_board(self):
        # Initialize an empty 8x8 chessboard
        board = [[' ' for _ in range(8)] for _ in range(8)]
        # Place white pieces
        board[0] = ['R', 'N', 'B', 'Q', 'K', 'B', 'N', 'R']
        board[1] = ['P'] * 8
        # Place black pieces
        board[7] = ['r', 'n', 'b', 'q', 'k', 'b', 'n', 'r']
        board[6] = ['p'] * 8
        return board

    def print_board(self):
        # Print the current state of the chessboard with positions revealed
        for row_num, row in enumerate(self.board):
            row_display = []
            for col_num, piece in enumerate(row):
                if piece == ' ':
                    row_display.append(f"{chr(col_num + ord('a'))}{8 - row_num} -")
                else:
                    row_display.append(f"{chr(col_num + ord('a'))}{8 - row_num} {piece}")
            print(" ".join(row_display))

    def move_piece(self, piece, start_row, start_col, end_row, end_col):
        # Check if the move is valid
        if self.is_valid_move(piece, start_row, start_col, end_row, end_col):
            # Perform the move
            self.board[end_row][end_col] = piece
            self.board[start_row][start_col] = ' '
            print("Move successful!")
        else:
            print("Invalid move!")

    def convert_position(self, piece, position):
        # Convert algebraic notation to array indices
        row = 8 - int(position[1])
        col = ord(position[0]) - ord('a')
        if piece.islower():  # Check if it's a black piece
            row = 7 - row  # Invert row for Black side
        return row, col

    def is_within_board(self, row, col):
        # Check if the given position is within the bounds of the board
        return 0 <= row < 8 and 0 <= col < 8

    def is_valid_move(self, piece, start_row, start_col, end_row, end_col):
        # Check if the move is valid for the given piece
        # Implementation of move validation omitted for brevity
        return True


if __name__ == "__main__":
    game = ChessGame()
    while True:
        game.print_board()
        move = input("Enter your move (e.g., 'N c3 to e4'): ")
        if move.lower() == 'exit':
            break
        move_parts = move.split()
        piece = move_parts[0]
        start_position = move_parts[1]
        end_position = move_parts[3]
        start_row, start_col = game.convert_position(piece, start_position)
        end_row, end_col = game.convert_position(piece, end_position)
        game.move_piece(piece, start_row, start_col, end_row, end_col)