diff --git a/src/search.cpp b/src/search.cpp
index 6a17e1624..40e8ef7cf 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1813,9 +1813,8 @@ void update_all_stats(const Position& pos,
     Piece                  movedPiece     = pos.moved_piece(bestMove);
     PieceType              capturedPiece;
 
-    int bonus        = std::min(151 * depth - 91, 1730) + 302 * (bestMove == ttMove);
-    int quietMalus   = std::min(798 * depth - 175, 2268) - 33 * quietsSearched.size();
-    int captureMalus = std::min(757 * depth - 134, 2129) - 28 * capturesSearched.size();
+    int bonus = std::min(151 * depth - 91, 1730) + 302 * (bestMove == ttMove);
+    int malus = std::min(951 * depth - 156, 2468) - 30 * quietsSearched.size();
 
     if (!pos.capture_stage(bestMove))
     {
@@ -1823,7 +1822,7 @@ void update_all_stats(const Position& pos,
 
         // Decrease stats for all non-best quiet moves
         for (Move move : quietsSearched)
-            update_quiet_histories(pos, ss, workerThread, move, -quietMalus * 1208 / 1024);
+            update_quiet_histories(pos, ss, workerThread, move, -malus);
     }
     else
     {
@@ -1835,15 +1834,14 @@ void update_all_stats(const Position& pos,
     // Extra penalty for a quiet early move that was not a TT move in
     // previous ply when it gets refuted.
     if (prevSq != SQ_NONE && ((ss - 1)->moveCount == 1 + (ss - 1)->ttHit) && !pos.captured_piece())
-        update_continuation_histories(ss - 1, pos.piece_on(prevSq), prevSq,
-                                      -captureMalus * 594 / 1024);
+        update_continuation_histories(ss - 1, pos.piece_on(prevSq), prevSq, -malus * 503 / 1024);
 
     // Decrease stats for all non-best capture moves
     for (Move move : capturesSearched)
     {
         movedPiece    = pos.moved_piece(move);
         capturedPiece = type_of(pos.piece_on(move.to_sq()));
-        captureHistory[movedPiece][move.to_sq()][capturedPiece] << -captureMalus * 1366 / 1024;
+        captureHistory[movedPiece][move.to_sq()][capturedPiece] << -malus * 1157 / 1024;
     }
 }