X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fhistory.h;h=f95faa0f3ef3c6bb5a1abec05156e596fa97f3ce;hp=0f3fbc10405e8789219c2af0ff1d294ec1263522;hb=369789b426f1cb63a8855c131855a2e37bc61846;hpb=04108d45414c70c796d9378b247207b574e22414

diff --git a/src/history.h b/src/history.h
index 0f3fbc10..f95faa0f 100644
--- a/src/history.h
+++ b/src/history.h
@@ -20,8 +20,9 @@
 #if !defined(HISTORY_H_INCLUDED)
 #define HISTORY_H_INCLUDED
 
-#include <cstring>
 #include "types.h"
+#include <cstring>
+#include <algorithm>
 
 /// The History class stores statistics about how often different moves
 /// have been successful or unsuccessful during the current search. These
@@ -39,7 +40,7 @@ public:
   Value gain(Piece p, Square to) const;
   void update_gain(Piece p, Square to, Value g);
 
-  static const Value MaxValue = Value(1 << 29); // To avoid an overflow
+  static const Value MaxValue = Value(2000);
 
 private:
   Value history[16][64];  // [piece][to_square]
@@ -64,7 +65,7 @@ inline Value History::gain(Piece p, Square to) const {
 }
 
 inline void History::update_gain(Piece p, Square to, Value g) {
-  maxGains[p][to] = Max(g, maxGains[p][to] - 1);
+  maxGains[p][to] = std::max(g, maxGains[p][to] - 1);
 }
 
 #endif // !defined(HISTORY_H_INCLUDED)