X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;fp=src%2Fposition.h;h=ce03c34f3325de63102b910ff570b3456f0e8b31;hp=2aeb8fcd575e8275a6348cc7fefa72b5695d7b84;hb=b0658f09b93185e2b43d4b2d6f0daa30c36ebcc2;hpb=871ab55f01f844bd24ed768c5e734ed2c956ef78

diff --git a/src/position.h b/src/position.h
index 2aeb8fcd..ce03c34f 100644
--- a/src/position.h
+++ b/src/position.h
@@ -39,6 +39,7 @@ struct StateInfo {
 
     // Copied when making a move
     Key    materialKey;
+    Key    pawnKey;
     Value  nonPawnMaterial[COLOR_NB];
     int    castlingRights;
     int    rule50;
@@ -146,6 +147,7 @@ class Position {
     Key key() const;
     Key key_after(Move m) const;
     Key material_key() const;
+    Key pawn_key() const;
 
     // Other properties of the position
     Color   side_to_move() const;
@@ -293,6 +295,8 @@ inline Key Position::adjust_key50(Key k) const {
     return st->rule50 < 14 - AfterMove ? k : k ^ make_key((st->rule50 - (14 - AfterMove)) / 8);
 }
 
+inline Key Position::pawn_key() const { return st->pawnKey; }
+
 inline Key Position::material_key() const { return st->materialKey; }
 
 inline Value Position::non_pawn_material(Color c) const { return st->nonPawnMaterial[c]; }