rshogi-core

A high-performance shogi (Japanese chess) engine core library written in Rust.

Features

• Bitboard-based board representation - Fast move generation and position evaluation
• NNUE evaluation - Neural network-based evaluation with HalfKP architecture support
• Alpha-beta search - With various pruning techniques (null move, futility, LMR, etc.)
• Transposition table - Lock-free concurrent hash table
• Time management - Adaptive time control for various time settings
• Multi-threaded search - Lazy SMP parallel search support

Installation

Add this to your Cargo.toml:

[dependencies]
rshogi-core = "0.2"

Usage

use rshogi_core::position::{Position, SFEN_HIRATE};
use rshogi_core::search::{Search, LimitsType};

// Create a new position (starting position)
let mut pos = Position::new();
pos.set_sfen(SFEN_HIRATE).unwrap();

// Create search engine (transposition table size: 64MB)
let mut search = Search::new(64);

// Set search limits
let mut limits = LimitsType::new();
limits.depth = 10;

// Run search
let result = search.go(&mut pos, limits, None::<fn(&_)>);
println!("Best move: {}", result.best_move.to_usi());

License

GPL-3.0-only License

参考・影響 / Acknowledgements

本クレートは将棋エンジン YaneuraOu およびチェスエンジン Stockfish を参考にしています。