Store distinct upper and lower bound scores

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index 9b36fd89fde9f9505dc54a2093bab49711cbf651..2219b40becd8d929e8e73186374e2895b2411e40 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -163,7 +163,7 @@ enum Bound {
   BOUND_NONE  = 0,
   BOUND_UPPER = 1,
   BOUND_LOWER = 2,
-  BOUND_EXACT = BOUND_UPPER | BOUND_LOWER
+  BOUND_EXACT = BOUND_UPPER | BOUND_LOWER | 4
 };
 
 enum Value {