benches/negamax.rs


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use std::{time::Instant, f32::INFINITY};
use chessnost::board::Board;

fn main() {
    let fen = String::from("r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 1");
    let mut board = Board::from_FEN(fen);
    board.ply = 0;

    let depth = 4;
    let start = Instant::now();
    let (score, pv) = board.negamax_search(-INFINITY, INFINITY, depth);
    println!("Negamax search (depth = {}) finished in {:?}: {:?}", depth, start.elapsed(), score);
    board.print();
    for mov in pv {
        println!("{:?}", mov);
        println!("Score for {:?}: {}", board.color(), board.evaluate(None));
        board.make_move(mov);
        board.print();
    }
    println!("Score for {:?}: {}", board.color(), board.evaluate(None));
}