Amelia

Chess engine accepting challenges on Lichess.org.

Amelia is a UCI compatible chess engine written from scratch in C. You can play Amelia on Lichess.org or install a chess interface to play locally.

Challenge Amelia on Lichess under the username AmeliaLatest. You can also spectate active games.

• Board
  • Bitboards
  • Zobrist hashing
• Search
  • Principal Variation Search
  • Quiescence search
  • Iterative deepening
  • Transposition table
  • Move ordering (hash move, MVV-LVA, killer moves, history heuristic)
  • Check extensions
  • Killer heuristic
  • History heuristic
  • Null move pruning
  • Late move reductions
• Evaluation
  • Tapered middle/endgame evaluation
  • Piece-square tables
  • Mop-up evaluation
  • Passed pawn bonus
  • Bishop pair bonus
• Interface
  • UCI compatible
  • Pondering
  • Bulk perft testing

git clone https://github.com/joey-bednar/amelia && \
cd amelia && \
git checkout <VERSION> && \
make && \
./build/amelia

Optionally, you may cross-compile for Windows using make TARGET=Windows or use any GCC -march option. For example, make ARCH=native optimizes for your system.