import streamlit as st import json # Initialize session state if not already done if 'board' not in st.session_state: st.session_state.board = [ ['♜', '♞', '♝', '♛', '♚', '♝', '♞', '♜'], ['♟', '♟', '♟', '♟', '♟', '♟', '♟', '♟'], [None] * 8, [None] * 8, [None] * 8, [None] * 8, ['♙', '♙', '♙', '♙', '♙', '♙', '♙', '♙'], ['♖', '♘', '♗', '♕', '♔', '♗', '♘', '♖'] ] if 'current_player' not in st.session_state: st.session_state.current_player = 'white' if 'selected_piece' not in st.session_state: st.session_state.selected_piece = None # Create the HTML/JavaScript for the chess board chess_board_html = f"""
Current Player: {'White' if st.session_state.current_player == 'white' else 'Black'}
""" # Generate the squares with pieces for row in range(8): for col in range(8): piece = st.session_state.board[row][col] or '' is_selected = (st.session_state.selected_piece and st.session_state.selected_piece['row'] == row and st.session_state.selected_piece['col'] == col) square_color = 'white' if (row + col) % 2 == 0 else 'black' selected_class = ' selected' if is_selected else '' chess_board_html += f"""
{piece}
""" # Add JavaScript for handling moves chess_board_html += """
""" # Display the chess board st.components.v1.html(chess_board_html, height=1200) # Handle moves through Streamlit's session state if st.session_state.get('clicked_square'): clicked = st.session_state.clicked_square row, col = clicked['row'], clicked['col'] if st.session_state.selected_piece: # Move the piece selected = st.session_state.selected_piece st.session_state.board[row][col] = st.session_state.board[selected['row']][selected['col']] st.session_state.board[selected['row']][selected['col']] = None st.session_state.selected_piece = None st.session_state.current_player = 'black' if st.session_state.current_player == 'white' else 'white' elif st.session_state.board[row][col]: # Select the piece st.session_state.selected_piece = {'row': row, 'col': col} # Clear the clicked square st.session_state.clicked_square = None st.rerun() # Add a reset button if st.button('Reset Game'): st.session_state.board = [ ['♜', '♞', '♝', '♛', '♚', '♝', '♞', '♜'], ['♟', '♟', '♟', '♟', '♟', '♟', '♟', '♟'], [None] * 8, [None] * 8, [None] * 8, [None] * 8, ['♙', '♙', '♙', '♙', '♙', '♙', '♙', '♙'], ['♖', '♘', '♗', '♕', '♔', '♗', '♘', '♖'] ] st.session_state.current_player = 'white' st.session_state.selected_piece = None st.rerun()