Chess

Provides interactive chess gameplay with OAuth authentication, featuring per-user game state management, Stockfish engine analysis, tactical puzzles, and a visual chess board widget for chess instruction and training.

Integrates with ChatGPT through OpenAI Apps SDK to enable interactive chess gameplay with OAuth 2.1 authentication via Google. Features per-user game state management, Stockfish engine analysis for position evaluation, tactical puzzle generation at multiple difficulty levels, and a React-based visual chess board widget that updates in real-time with game state changes. Supports standard algebraic notation for moves, comprehensive move validation, game history tracking, and natural language interaction for chess instruction and tactical training.