Avoid spamming the GUI in multipv search

[stockfish] / src / notation.cpp

diff --git a/src/notation.cpp b/src/notation.cpp
index db5f58b90d3099e1eae631d33cefca8791227d3d..15661eec725ab7c7b788f51cc825cb9e201a57f1 100644 (file)
--- a/src/notation.cpp
+++ b/src/notation.cpp
@@ -20,7 +20,7 @@
 #include <cassert>
 #include <iomanip>
 #include <sstream>
-#include <string>
+#include <stack>
 
 #include "movegen.h"
 #include "notation.h"
@@ -28,7 +28,7 @@
 
 using namespace std;
 
-static const char* PieceToChar[COLOR_NB] = { "PNBRQK", "pnbrqk" };
+static const char* PieceToChar[COLOR_NB] = { " PNBRQK", " pnbrqk" };
 
 
 /// score_to_uci() converts a value to a string suitable for use with the UCI
@@ -226,7 +226,7 @@ string pretty_pv(Position& pos, int depth, Value value, int64_t msecs, Move pv[]
   const int64_t K = 1000;
   const int64_t M = 1000000;
 
-  StateInfo state[MAX_PLY_PLUS_2], *st = state;
+  std::stack<StateInfo> st;
   Move* m = pv;
   string san, padding;
   size_t length;
@@ -261,7 +261,8 @@ string pretty_pv(Position& pos, int depth, Value value, int64_t msecs, Move pv[]
       s << san << ' ';
       length += san.length() + 1;
 
-      pos.do_move(*m++, *st++);
+      st.push(StateInfo());
+      pos.do_move(*m++, st.top());
   }
 
   while (m != pv)