X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.cpp;h=23370ca3f73d4ed8fedbd14595c8b30af2b332b7;hp=e2a59e5df3b44eee261e530261a1134bd3ea738f;hb=888a1d34454121c3682cbd68751bcebeca8bd308;hpb=3b315c9adab141830a81afbdff70c18336763e51

diff --git a/src/position.cpp b/src/position.cpp
index e2a59e5d..23370ca3 100644
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -25,7 +25,6 @@
 
 #include "bitcount.h"
 #include "movegen.h"
-#include "notation.h"
 #include "position.h"
 #include "psqtab.h"
 #include "rkiss.h"
@@ -430,17 +429,12 @@ const string Position::fen() const {
 }
 
 
-/// Position::pretty() returns an ASCII representation of the position to be
-/// printed to the standard output together with the move's san notation.
+/// Position::pretty() returns an ASCII representation of the position
 
-const string Position::pretty(Move m) const {
+const string Position::pretty() const {
 
   std::ostringstream ss;
 
-  if (m)
-      ss << "\nMove: " << (sideToMove == BLACK ? ".." : "")
-         << move_to_san(*const_cast<Position*>(this), m);
-
   ss << "\n +---+---+---+---+---+---+---+---+\n";
 
   for (Rank r = RANK_8; r >= RANK_1; --r)
@@ -457,23 +451,20 @@ const string Position::pretty(Move m) const {
   for (Bitboard b = checkers(); b; )
       ss << to_string(pop_lsb(&b)) << " ";
 
-  ss << "\nLegal moves: ";
-  for (MoveList<LEGAL> it(*this); *it; ++it)
-      ss << move_to_san(*const_cast<Position*>(this), *it) << " ";
-
   return ss.str();
 }
 
 
-/// Position::game_phase() calculates the game phase of the position
+/// Position::game_phase() calculates the game phase interpolating total non-pawn
+/// material between endgame and midgame limits.
 
 Phase Position::game_phase() const {
 
   Value npm = st->npMaterial[WHITE] + st->npMaterial[BLACK];
 
-  return  npm >= MidgameLimit ? PHASE_MIDGAME
-        : npm <= EndgameLimit ? PHASE_ENDGAME
-        : Phase(((npm - EndgameLimit) * 128) / (MidgameLimit - EndgameLimit));
+  npm = std::max(EndgameLimit, std::min(npm, MidgameLimit));
+
+  return Phase(((npm - EndgameLimit) * 128) / (MidgameLimit - EndgameLimit));
 }