From 4c858092277054ddf59adf84809e7a7f91dfe47b Mon Sep 17 00:00:00 2001
From: eug-vs <eugene@eug-vs.xyz>
Date: Fri, 19 Jan 2024 17:14:55 +0100
Subject: fix: save unmodified score in transposition table

---
 src/grossmeister/search.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/grossmeister/search.rs b/src/grossmeister/search.rs
index 4d990f6..0df0628 100644
--- a/src/grossmeister/search.rs
+++ b/src/grossmeister/search.rs
@@ -120,7 +120,7 @@ impl Grossmeister {
 
                 if score >= beta {
                     transposition.mov = Some(mov);
-                    transposition.score = beta;
+                    transposition.score = score;
                     transposition.node_type = NodeType::Cut;
                     self.store_transposition(transposition);
 
@@ -138,7 +138,7 @@ impl Grossmeister {
                     transposition.node_type = NodeType::PV;
                 } else if transposition.node_type == NodeType::All {
                     transposition.mov = None;
-                    transposition.score = alpha;
+                    transposition.score = score;
                     transposition.node_type = NodeType::All;
                 }
             } else {
@@ -172,6 +172,7 @@ impl Grossmeister {
             return 0.0
         }
 
+
         // Mate distance pruning
         let mating_score = Grossmeister::MDP(&mut alpha, &mut beta, root_distance);
         if mating_score != 0.0 {
-- 
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