do FHR only when no other extension

test r15
dhbloo · Jun 13, 2024 · a438a99 · a438a99
1 parent fa863d2
commit a438a99
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Rapfi/search/ab/search.cpp b/Rapfi/search/ab/search.cpp
@@ -1076,8 +1076,8 @@ Value search(Board &board, SearchStack *ss, Value alpha, Value beta, Depth depth
                 extension += (distSelf <= 4 ? 0.20f : 0.05f);
         }
 
-        // Fail high reduction
-        if (likelyFailHigh) {
+        // Fail high reduction/extension
+        else if (likelyFailHigh) {
             if (ss->moveP4[self] >= E_BLOCK4) {
                 // If we failed high for two continous E_BLOCK4 moves, extend rather than reduce
                 if ((ss - 2)->moveP4[self] >= E_BLOCK4)