Chess2880

import random

def generate():
    # Step 1: Place bishops on opposite colors
    light_squares = [0, 2, 4, 6]
    dark_squares = [1, 3, 5, 7]
    board = [''] * 8

    board[random.choice(light_squares)] = 'B'
    board[random.choice(dark_squares)] = 'B'

    # Step 2: Place a random major piece (Queen, Empress, Princess)
    major_pieces = ['Q', 'C', 'A']  # using Chancellor/Archbishop notation to avoid P confusion
    remaining_squares = [i for i, piece in enumerate(board) if piece == '']
    board[random.choice(remaining_squares)] = random.choice(major_pieces)

    # Step 3: Place the knights
    remaining_squares = [i for i, piece in enumerate(board) if piece == '']
    board[random.choice(remaining_squares)] = 'N'
    remaining_squares = [i for i, piece in enumerate(board) if piece == '']
    board[random.choice(remaining_squares)] = 'N'

    # Step 4: Place Rook-King-Rook with King between the Rooks
    remaining_squares = [i for i, piece in enumerate(board) if piece == '']
    remaining_squares.sort()  # Sort positions to maintain order
    board[remaining_squares[0]] = 'R'  # Place first Rook
    board[remaining_squares[1]] = 'K'  # Place King
    board[remaining_squares[2]] = 'R'  # Place second Rook

    return ''.join(board)

# Generate a random position
random_start = generate()
fen_position = f"{random_start.lower()}/pppppppp/8/8/8/8/PPPPPPPP/{random_start.upper()} w KQkq - 0 1"

# Write to a UTF-8 encoded file
with open("random_position.fen", "w", encoding="utf-8") as file:
    file.write(fen_position + "\n")

# print(f"FEN position saved to random_position.fen: {fen_position}")
print(f"Created random_position.fen with array: {random_start}")