X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmovepick.h;h=d3bca28a7ae982aa1cd619c3a581f532711a6020;hb=328d314f2faa128f6bed32e334190cdaed62d9bc;hp=b281bd42afcfb559a65fb7e5725fbb803168c713;hpb=42b77ea7eecaf5f31bf87c7075945273685aa4f5;p=stockfish

diff --git a/src/movepick.h b/src/movepick.h
index b281bd42..d3bca28a 100644
--- a/src/movepick.h
+++ b/src/movepick.h
@@ -39,7 +39,7 @@
 template<typename T>
 struct Stats {
 
-  static const Value Max = Value(250);
+  static const Value Max = Value(1<<28);
 
   const T* operator[](Piece pc) const { return table[pc]; }
   T* operator[](Piece pc) { return table[pc]; }
@@ -51,10 +51,20 @@ struct Stats {
         table[pc][to] = m;
   }
 
-  void update(Piece pc, Square to, Value v) {
+  void updateH(Piece pc, Square to, Value v) {
 
-    if (abs(table[pc][to] + v) < Max)
-        table[pc][to] += v;
+    if (abs(int(v)) >= 324) 
+        return;
+    table[pc][to] -= table[pc][to] * abs(int(v)) / 324;
+    table[pc][to] += int(v) * 32;
+  }
+
+  void updateCMH(Piece pc, Square to, Value v) {
+
+    if (abs(int(v)) >= 324) 
+        return;
+    table[pc][to] -= table[pc][to] * abs(int(v)) / 512;
+    table[pc][to] += int(v) * 64;
   }
 
 private:
@@ -82,7 +92,7 @@ public:
   MovePicker(const Position&, Move, const HistoryStats&, const CounterMovesHistoryStats&, Value);
   MovePicker(const Position&, Move, Depth, const HistoryStats&, const CounterMovesHistoryStats&, Move, Search::Stack*);
 
-  template<bool SpNode> Move next_move();
+  Move next_move();
 
 private:
   template<GenType> void score();