X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=fa812effff71584c94db59aad1019f51868ee599;hp=22afb3e13278be4e09d8f363e445bcbf4a75864c;hb=e385f194e970f0675bd4c3509bca4a6c81b6df5e;hpb=05513a66410f96959f3a6e70be9aea72425cf7c7

diff --git a/src/position.h b/src/position.h
index 22afb3e1..fa812eff 100644
--- a/src/position.h
+++ b/src/position.h
@@ -56,7 +56,10 @@ struct StateInfo {
   Bitboard   checkSquares[PIECE_TYPE_NB];
 };
 
-// In a std::deque references to elements are unaffected upon resizing
+/// A list to keep track of the position states along the setup moves (from the
+/// start position to the position just before the search starts). Needed by
+/// 'draw by repetition' detection. Use a std::deque because pointers to
+/// elements are not invalidated upon list resizing.
 typedef std::unique_ptr<std::deque<StateInfo>> StateListPtr;
 
 
@@ -146,7 +149,6 @@ public:
 
   // Other properties of the position
   Color side_to_move() const;
-  Phase game_phase() const;
   int game_ply() const;
   bool is_chess960() const;
   Thread* this_thread() const;