C# chess library containing a complete data structure and move generation.

Perft debugger. Compare your chess engine's move generation to Stockfish

Bitboard chess move generation based on magic bitboards

a public distributed effort to traverse the depths of the game of chess.

Chess engine with UCI and Xboard interface

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.

Quickly determine the number of positions at some depth in Tak.

Simple, well performed and enough optimized C#/.NET bitboard chess engine.

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

A perft benchmarking tool.

Chess engine written from scratch in C with legal move generation, FEN/SAN parsing, reversible make/unmake moves, perft tests and negamax search

Bitboard based fast legal move generator for standard 2 player chess.

Chess Engine in C

chess move generator

A custom made high-performance Chess Engine created entirely from scratch in modern C++, supporting UCI and terminal plays, O(1) memory hashing, and highly optimized game tree search algorithms along with Tapered evaluation leading to a signifcant rise in performance.

Distributed and collaborative perft system

chess perft function

Pure Standard ML chess core: fully legal move generation, perft, FEN, UCI, and a negamax search (MLton + Poly/ML).

Original legal UCI chess engine (Rust): Podman CI, perft verification, Fastchess gauntlets, Lichess bot bridge.