Chess

A simple CLI implementation of the notorious board game Chess in ruby.

How to play

1. Clone the repository.
2. Execute script.rb for further instructions or simply execute it with the -p flag i.e ruby script.rb -p.
3. Enjoy.

Features

Core

• Chess checks: Prevents any moves that would leave the king under a check as such moves are illegal.
• Captures: Removes pieces if they are attacked by an enemy.
• Resign: Resign/Exit the game.
• Draw: Propose a draw, upon both parties agreeing to the draw ends the game.

SPECIAL

• Option parser: parse arguments sent from the terminal.
• The board: The board is flipped upside down, this is a feature, not a mistake.
• Pawn Jumps: Pawn pieces may jump two cells if possible.
• Promotions: Pawns may promote to other pieces if conditions are right.
• Castling: Kings may castle with either left or right rook if conditions are right.
• En Passant: Pawns may be captured after a double jump.

Implementation

• Over 150 rspec tests covering the functionallity of the application writen following TDD principles.
• Design based on OOP paradigms.