X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=896619dca867682ed9764f404ee9c2ecf1e20311;hp=b66cc67f310105710d7682615420159f6db2dbca;hb=a6e292034a60597d8d0a3dc00e9c1eb94b1112ac;hpb=314d446518daa035526be8539b23957ba4678468

diff --git a/src/position.h b/src/position.h
index b66cc67f..896619dc 100644
--- a/src/position.h
+++ b/src/position.h
@@ -50,7 +50,7 @@ struct CheckInfo {
 
 struct StateInfo {
   Key pawnKey, materialKey;
-  Value npMaterial[COLOR_NB];
+  Value nonPawnMaterial[COLOR_NB];
   int castlingRights, rule50, pliesFromNull;
   Score psq;
   Square epSquare;
@@ -76,10 +76,13 @@ class Position {
 
   friend std::ostream& operator<<(std::ostream&, const Position&);
 
+  // Disable the default copy constructor
+  Position(const Position&); 
+
 public:
   Position() {}
-  Position(const Position& pos, Thread* t) { *this = pos; thisThread = t; }
-  Position(const std::string& f, bool c960, Thread* t) { set(f, c960, t); }
+  Position(const Position& pos, Thread* th) { *this = pos; thisThread = th; }
+  Position(const std::string& f, bool c960, Thread* th) { set(f, c960, th); }
   Position& operator=(const Position&);
   static void init();
 
@@ -114,7 +117,7 @@ public:
 
   // Attacks to/from a given square
   Bitboard attackers_to(Square s) const;
-  Bitboard attackers_to(Square s, Bitboard occ) const;
+  Bitboard attackers_to(Square s, Bitboard occupied) const;
   Bitboard attacks_from(Piece pc, Square s) const;
   template<PieceType> Bitboard attacks_from(Square s) const;
   template<PieceType> Bitboard attacks_from(Square s, Color c) const;
@@ -346,7 +349,7 @@ inline Score Position::psq_score() const {
 }
 
 inline Value Position::non_pawn_material(Color c) const {
-  return st->npMaterial[c];
+  return st->nonPawnMaterial[c];
 }
 
 inline int Position::game_ply() const {