// Static variables
static Score pieceSquareTable[16][64]; // [piece][square]
- static Key zobrist[2][8][64]; // [color][pieceType][square]
+ static Key zobrist[2][8][64]; // [color][pieceType][square]/[piece count]
static Key zobEp[64]; // [square]
static Key zobCastle[16]; // [castleRight]
static Key zobSideToMove;