Duchess

A simple chess engine. Because it’s fun and because I needed an excuse to get accustomed to Rust.

The wasm branch is playable online at https://swingbit.github.io/duchess/

Status

Move generation:
- (done) all standard moves, castling, promotion, check, checkmate, draw
- (missing) en passant
Check validity of human moves:
- (done) all standard moves, castling, promotion, check, checkmate, draw
- (missing) en passant
UI:
- (partial) UCI interface (branch main. Use with e.g. Arena Chess GUI)
- integration with chessboardjs via Wasm compilation (branch wasm)
Evaluations and heuristics:
- (done) simple board value based on pieces
- (done) simplified positional evaluation
- (missing) more evaluations
Search algorithm:
- (done) Minimax
- (done) Negamax
- (done) Negascout
Optional optimizations:
- (missing) transposition table
- (partial) move ordering
- (missing) more efficient board representations