fix: dont put scores outside of bounds in table

1 files changed, 6 insertions, 2 deletions

diff --git a/src/grossmeister/move_selector.rs b/src/grossmeister/move_selector.rs
index 33f836b..c55051e 100644
--- a/src/grossmeister/move_selector.rs
+++ b/src/grossmeister/move_selector.rs
@@ -2,7 +2,7 @@ use smallvec::SmallVec;
 
 use crate::{moves::Move, board::{Board, move_generation::MoveList}};
 
-use super::Grossmeister;
+use super::{Grossmeister, ttable::NodeType};
 
 pub type ScoredMove = (Move, f32);
 pub type ScoredMoveList = SmallVec<[ScoredMove; 128]>;
@@ -165,7 +165,11 @@ impl Grossmeister {
                 MoveGenStage::Hash => {
                     self.next_stage();
                     if let Some(transposition) = self.transposition() {
-                        return Some(transposition.mov);
+                        if transposition.node_type != NodeType::All {
+                            if let Some(mov) = transposition.mov {
+                                return Some(mov)
+                            }
+                        }
                     }
                 }
                 MoveGenStage::WinningOrEqualTactical => {