Merge futility pruning from Glaurung 2.2

[stockfish] / src / ucioption.cpp

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index a58ac1ae4a8378e12b6ade96a732739246076b4c..936d8cd81b88318a63c2cde1cddec995ed86e494 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -125,7 +125,7 @@ namespace {
     o.push_back(Option("Futility Pruning (Quiescence Search)", true));
     o.push_back(Option("Futility Margin 0", 50, 0, 1000));
     o.push_back(Option("Futility Margin 1", 100, 0, 1000));
-    o.push_back(Option("Futility Margin 2", 300, 0, 1000));
+    o.push_back(Option("Futility Margin 2", 200, 0, 1000));
     o.push_back(Option("Maximum Razoring Depth", 3, 0, 4));
     o.push_back(Option("Razoring Margin", 300, 150, 600));
     o.push_back(Option("LSN filtering", true));