tweak last capture extension

fairy-stockfish · Jul 14, 2020 · 3c64f5e · 3c64f5e
1 parent 0cc01f6
commit 3c64f5e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/search.cpp b/src/search.cpp
@@ -1166,7 +1166,7 @@ namespace {
           extension = 1;
 
       // Last captures extension
-      else if (   PieceValue[EG][pos.captured_piece()] > PawnValueEg
+      else if (   PieceValue[EG][pos.captured_piece()] > 3 * PawnValueEg
                && pos.non_pawn_material() <= 2 * RookValueMg)
           extension = 1;