Process and analyzes queue of chess positions in FEN format

Generate high-quality Chess Boards (like chess.com & lichess) through FEN, PGN & Arrays using Napi-RS.

Simple code-only Chessboard written in TypeScript. Handles FEN and PGN.

Convert chessboard images into FEN notation

chess FEN position reader/converters/scanner/checkers

A highly flexible React Native library for creating and editing chess board positions (FEN strings) without enforcing game rules

Chess diagram toolkit — parse & edit FEN positions, manipulate boards, render SVG diagrams, board themes, color, image & DPI utilities. Works in Node.js and browsers.

Screenshot in, FEN out. Chessboard recognition in the browser: detects the board in any screenshot or book diagram and reads the position with a CNN tile classifier.

Lightweight bitboard chess engine for position updates (FEN, Zobrist, SAN). No move validation; assumes validated input.

n8n community node for working with Fenergo Fen-X APIs

Chessboard component for vue based on fen notation

Validate and parse Forsyth-Edwards Notation (FEN) used to describe a chess game board position.

A chess engine designed to work entirely from a FEN position.

Professional, event-driven, framework-agnostic chess engine core in TypeScript. Features time travel, event bus, PGN/FEN parsing, and Stockfish integration.

Analyses a given chess game position in Fen notation to return legal moves and provides the next game position after a given move

Creates an SVG chess board from a FEN string

checkwait chess rules engine: board state, FEN, movegen, bot, protocol

sandbox to simulate full serverless function environment

Generate beautiful chess board images from FEN notation. Pure JS port of chessboard-image (Python).

A zero-dependency, lightweight chess library for game logic and FEN manipulation. Typescript ready. Any JS runtime.