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

How to run Duchess on a browser

• Make sure wasm-pack is installed
• Run ./build.sh
• Run ./server.py
• Open a broser to: http://localhost:8000/duchess.html