Return early if king is under check and small refactorings

src/interface/uci.rs

@@ -5,7 +5,7 @@ use std::{
 
 use crate::{
     board::game::Game,
-    evaluation::evaluation::{MAX_EVAL, MIN_EVAL},
+    evaluation::{MAX_SCORE, MIN_SCORE},
     movegen::r#move::Move,
     search,
 };
@@ -139,8 +139,8 @@ pub fn uci_go(go: &mut SplitWhitespace, game: &mut Game) -> Result<Move, String>
     }
     Ok(search::negamax::negamax(
         game,
-        MIN_EVAL,
-        MAX_EVAL,
+        MIN_SCORE,
+        MAX_SCORE,
         params.depth.unwrap_or(MAX_DEPTH),
         0,
     )