Index en-passant zobrist keys by file

[stockfish] / src / position.h

diff --git a/src/position.h b/src/position.h
index e471baea099029c5b7d72dbb9d472a9d780b462a..7db5fa453ff9e644b1a9806e26b917a9861c5e63 100644 (file)
--- a/src/position.h
+++ b/src/position.h
@@ -257,7 +257,7 @@ private:
   // Static variables
   static Score pieceSquareTable[16][64]; // [piece][square]
   static Key zobrist[2][8][64];          // [color][pieceType][square]/[piece count]
-  static Key zobEp[64];                  // [square]
+  static Key zobEp[8];                   // [file]
   static Key zobCastle[16];              // [castleRight]
   static Key zobSideToMove;
   static Key zobExclusion;