Do not copy master position in split()

[stockfish] / src / position.h

diff --git a/src/position.h b/src/position.h
index e7dc3a802fca35ae821517815650dfb692db7eef..c4dbfcf6bef163aac51ab3b6a40bce43decb261d 100644 (file)
--- a/src/position.h
+++ b/src/position.h
@@ -147,8 +147,8 @@ public:
 
   // Constructors
   Position();
-  Position(const Position& pos);
-  Position(const std::string& fen);
+  explicit Position(const Position& pos);
+  explicit Position(const std::string& fen);
 
   // Text input/output
   void from_fen(const std::string& fen);