ChessRealms ChessRealms.Engine by: ChessRealms .NET 10.0 This package targets .NET 10.0. The package is compatible with this framework or higher. 276 total downloads last updated 10/22/2026 Latest version: 1.2.0 chess chess-engine chess-library chess-rules bitboard move-generation fen san pgn C#/.NET library for standard chess rules, legal move generation, FEN, SAN, mainline PGN import/export, history, undo, and JSON game records.