feat: display info if PV reconstruction failed

1 files changed, 6 insertions, 12 deletions

diff --git a/src/grossmeister/search.rs b/src/grossmeister/search.rs
index 485e4d3..0ca5ef4 100644
--- a/src/grossmeister/search.rs
+++ b/src/grossmeister/search.rs
@@ -78,8 +78,6 @@ impl Grossmeister {
         // Mate distance pruning
         let mating_score = Grossmeister::MDP(&mut alpha, &mut beta, root_distance);
         if mating_score != 0.0 {
-            transposition.score = mating_score;
-            self.store_transposition(transposition);
             return mating_score
         }
 
@@ -153,12 +151,8 @@ impl Grossmeister {
 
         if !legal_move_found {
             if self.board.is_king_in_check(color) {
-                transposition.score = -SCORE_MATE + root_distance as Score;
-                self.store_transposition(transposition);
                 return -SCORE_MATE + root_distance as Score
             } else {
-                transposition.score = 0.0;
-                self.store_transposition(transposition);
                 return 0.0
             }
         }
@@ -262,8 +256,6 @@ impl Grossmeister {
         }
 
         if !legal_move_found && self.board.is_king_in_check(color) {
-            transposition.score = -SCORE_MATE + root_distance as Score;
-            self.store_transposition(transposition);
             return -SCORE_MATE + root_distance as Score
         }
 
@@ -366,11 +358,13 @@ impl Grossmeister {
         println!("info hashfull {}", 1000 * self.transposition_table.iter().filter(|item| item.is_some()).count() / self.transposition_table.len());
         if !pv.is_empty() {
             print!("bestmove {}", pv[0]);
+            if pv.len() > 1 {
+                print!(" ponder {}", pv[1])
+            }
+            println!();
+        } else {
+            println!("info no PV found");
         }
-        if pv.len() > 1 {
-            print!(" ponder {}", pv[1])
-        }
-        println!();
 
         (best_score, pv)
     }