A curated list of awesome chess resources, tools, engines, and content.

UCI chess engine

Python library for converting PGN to GIFs

Bitboard viewer for chess developers.

Play random chess with computer

A UCI Chess Engine with an ELO rating of ~2200 written in C using Negamax Search with Alpha Beta Pruning and Zobrist Hashing

chess engine which calculates best moves from your match in real time when you play on chess.com

Open-source Chess Opening Intelligence Platform. Analyze openings, discover your playstyle, build repertoires, explore opening analytics, and understand the ideas behind every opening.

JavaScript chess move generator with strictly legal moves. Integrated check/checkmate/stalemate detection. Two implementations: x88 & Bitboards. Tactical analysis: captures, hanging pieces, safe squares. UCI engine. Perft validated. 7M NPS performance.

An App to Train You Chess Tactics Skills

A local-first deterministic chess study, research, programming, data-generation, and publishing toolkit.

A free and strong UCI chess engine written from scratch in Rust — bitboards, alpha-beta search, NNUE neural-network evaluation, GPU training pipeline, and a built-in browser UI to play against it.

This project is a simple implementation of chess in Scala. It provides a basic chess board, pieces, and rules to play the game.

Generate random chess position/perft

Neural Network trained on Chess Endgame Tablebases

A program that builds a graph of all possible piece positions on chess board. Piece positions are represented by nodes. Moves are represented by branches

A novel four-player chess engine — OPPS + Swarm tactical resolution + MCTS + NNUE. Built from first principles for 14x14 FFA chess

Keep scalachess honest

Advanced chess cheating detection system using Stockfish engine analysis

Rust chess engine research project focused on neural-search architecture.