Ratsu

Chess engine written in Rust

• 0x88 board representation
• Iterative deepening negamax search
• Quiescence search
• Evaluation using material, piece-square tables, and pawn structures
• Transposition table with Zobrist hashing
• Move ordering using PV move, TT move, MVV-LVA, Killer moves, and History heuristic
• Check extension
• Null move pruning
• Principal variation search
• Detect repetitions and fifty-move rule
• Basic UCI support

Quick build & run

cargo run

Build for release

cargo build -r

Run tests

cargo test

Format code

cargo fmt

Thanks to

• Maksim Korzh for his Bitboard CHESS ENGINE in C and 0x88 MOVE GENERATOR youtube series which inspired me to start programming chess engines.
• Chess Programming Wiki for all the knowledge
• Authors of TSCP, Blunder, Rustic
• For folks at chess programming discord servers