Checkers Game in Prolog

A text-based checkers game implementation written in Prolog with an interactive command-line interface.

Getting Started

Prerequisites

• GNU Prolog installed on your system

Running the Game

1. Open your terminal
2. Navigate to the project directory
3. Run: gprolog --consult-file checkers.pl

The game will start automatically and display the initial board.

Game Rules

• White pieces are represented by '●' symbols, black pieces by '○'
• Players alternate turns, with white moving first
• Regular pieces can only move forward diagonally
• Capturing opponent pieces is mandatory when possible
• Pieces become kings (♛ for white, ♚ for black) when reaching the opposite end of the board
• Kings can move in any diagonal direction

How to Play

Making a Move

1. Enter piece coordinates in the format [row, column] (e.g., [6, 1].)
2. Choose movement direction:
   • Type l or left to move left
   • Type r or right to move right
3. Type q to quit the game at any time

Game Features

• Automatic game end detection when a player has no valid moves or pieces
• Highlighted movable pieces for each turn
• Mandatory capture notifications
• King promotion system
• Input validation and error handling

Board Layout

The game uses a standard 8x8 checkers board with coordinates:

• Rows numbered 1-8 (top to bottom)
• Columns numbered 1-8 (left to right)
• Only dark squares are used for gameplay