BlunderMate

Chess AI engine built in Prolog.

Negamax · Alpha-Beta · PSQT · MVV-LVA

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Quick Start

# Requires SWI-Prolog 9.x+
swipl go.pl

Game Modes

• Human vs Human — Local two-player game
• Human vs AI — Play against the engine

How to Play

Moves use standard algebraic notation — type the origin and destination squares together.

e2e4    Move pawn from e2 to e4
g1f3    Move knight from g1 to f3

How It Works

The AI searches possible moves using a Negamax algorithm with Alpha-Beta pruning at depth 2. Each position is scored through material balance, piece-square tables, and piece safety heuristics.