diff --git a/src/search.cpp b/src/search.cpp
index 562bdbf9..e63595c1 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -829,9 +829,12 @@ Value Search::Worker::search(
     }
 
     // Step 10. Internal iterative reductions (~9 Elo)
-    // For PV nodes without a ttMove, we decrease depth by 3.
+    // For PV nodes without a ttMove, we decrease depth.
+    // Additionally, if the current position is found in the TT
+    // and the stored depth in the TT is greater than or equal to
+    // current search depth, we decrease search depth even further.
     if (PvNode && !ttData.move)
-        depth -= 3;
+        depth -= 3 + (ss->ttHit && ttData.depth >= depth);
 
     // Use qsearch if depth <= 0.
     if (depth <= 0)