Integrate syzygy in automated testing (v2).

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 7b7737ea9fd2a946303a66b0af53d8235a30a766..af0946ea577722b5f3aaab25fb5f176bae8dc094 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -160,7 +160,7 @@ void Search::init() {
               Reductions[PV][imp][d][mc] = std::max(Reductions[NonPV][imp][d][mc] - 1, 0);
 
               // Increase reduction for non-PV nodes when eval is not improving
-              if (!imp && Reductions[NonPV][imp][d][mc] >= 2)
+              if (!imp && r > 1.0)
                 Reductions[NonPV][imp][d][mc]++;
           }