Probcut-captures: don't consider moves with negative see

bench: 5919994
pb00068 · Jul 17, 2017 · 959a18c · 959a18c
1 parent 9d6e711
commit 959a18c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/movepick.cpp b/src/movepick.cpp
@@ -114,8 +114,8 @@ MovePicker::MovePicker(const Position& p, Move ttm, Value th)
 
   stage = PROBCUT;
 
-  if (threshold <= VALUE_ZERO)
-	  threshold = VALUE_ZERO + 1;
+  if (threshold < VALUE_ZERO)
+	  threshold = VALUE_ZERO;
 
   // In ProbCut we generate captures with SEE higher than or equal to the given threshold
   ttMove =   ttm