diff --git a/src/misc.cpp b/src/misc.cpp
index 281d8595..01b07743 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -71,7 +71,7 @@ using namespace std;
 /// Version number. If this is left empty, the current date (in the format
 /// YYMMDD) is used as a version number.
 
-static const string EngineVersion = "";
+static const string EngineVersion = "1.3rc1";
 static const string AppName = "Stockfish";
 static const string AppTag  = "";
 
diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 442ca924..9ce95897 100644
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -127,7 +127,7 @@ namespace {
     o["Threat Depth"] = Option(5, 0, 100);
     o["Futility Pruning (Main Search)"] = Option(true);
     o["Futility Pruning (Quiescence Search)"] = Option(true);
-    o["LSN filtering"] = Option(true);
+    o["LSN filtering"] = Option(false);
     o["LSN Time Margin (sec)"] = Option(4, 1, 10);
     o["LSN Value Margin"] = Option(200, 100, 600);
     o["Randomness"] = Option(0, 0, 10);