chess

A terminal chess game written in C++ with an optional graphical display. Supports human vs human, human vs computer, and computer vs computer.

Features

• Multi-level AI engine: greedy heuristics (levels 1–3), 2-ply minimax (level 4), and 4-ply alpha-beta minimax with piece-square tables, and quiescence search (level 5)
• Graphical display via X11 window
• Custom board setup mode
• Full chess rules (castling, en passant, promotion)

Build & Run

make
./chess

Usage

game human computer4   # start a game
move e2 e4                         # make a move
resign                             # forfeit