deez

src/config.rs

@@ -20,4 +20,4 @@ pub const INFO: Info = Info {
 };
 
 // FIXME: this needs to be configurable via UCI
-pub const DEPTH: u8 = 7;
+pub const DEPTH: u8 = 8;

src/eval.rs

@@ -1,9 +1,6 @@
-use std::f64::{INFINITY, NEG_INFINITY};
-
 use chess::{
     Board as ChessBoard, BoardStatus, ChessMove, Color, File, MoveGen, Piece, Rank, Square,
 };
-use itertools::Itertools;
 
 use crate::piece_tables;
 use crate::piece_values::get_piece_value;
@@ -222,7 +219,7 @@ impl minimax::Game for Game {
     }
 }
 
-#[derive(Default)]
+#[derive(Default, Clone)]
 pub struct Evaluator;
 
 impl minimax::Evaluator for Evaluator {

src/main.rs

@@ -3,14 +3,11 @@ mod eval;
 mod piece_tables;
 mod piece_values;
 
-use chess::{Board, ChessMove, MoveGen};
+use chess::Board;
 use config::INFO;
-use eval::{Board as EvalBoard, Evaluator, Game};
+use eval::{Board as EvalBoard, Evaluator};
-use itertools::Itertools;
+use minimax::{IterativeOptions, ParallelOptions, ParallelSearch, Strategy};
-use minimax::Strategy;
 
-use std::collections::HashMap;
-use std::f64::{INFINITY, NEG_INFINITY};
 use std::io::{self, BufRead};
 use std::process;
 use std::str::FromStr;
@@ -97,9 +94,12 @@ fn main() {
                 }
 
                 if let Some(board) = board {
-                    let opts = minimax::IterativeOptions::new().verbose();
+                    let mut strat = ParallelSearch::new(
-                    let mut strat: minimax::IterativeSearch<Evaluator> =
+                        Evaluator::default(),
-                        minimax::IterativeSearch::new(Evaluator::default(), opts);
+                        IterativeOptions::new().verbose(),
+                        ParallelOptions::new().with_background_pondering(),
+                    );
+
                     strat.set_max_depth(DEPTH);
                     let mov = strat
                         .choose_move(&EvalBoard {