CheckAIChess Server for AI Agents

A Rust-powered chess server and CLI with REST, WebSocket, and deep analysis APIs — following FIDE 2023 rules.

♟️

Complete Chess Engine

Full FIDE 2023 move generation with castling, en passant, promotion, check/checkmate/stalemate, and all draw conditions.

🔌

JSON-based API for AI agents and the web UI. FEN/PGN import/export, real-time WebSocket events, and interactive Swagger docs.

🔬

Async analysis with 30+ ply depth, PVS, SEE, futility pruning, king safety, mobility scoring, and PeSTO evaluation.

🖥️

TypeScript web app with bQuery signals, Tailwind CSS v4, analysis panel, FEN/PGN tools, board flip, and promotion dialog.

📖

Polyglot .bin opening book support plus Syzygy file detection and analytical evaluation for select endgames.

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English, German, French, Spanish, Chinese, Japanese, Portuguese, Russian — auto-detected from the browser with per-request API selection.