X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.cpp;h=ab8f2473af84d40126dc232b096b551d11157dbb;hp=8954834ad546bb8c4902b9c3a45be485dafa707f;hb=2643f1552fca823a2922c124b49f1fa04aa5d970;hpb=bf395c6be180528cb3fc90d8b78dd5dd6f27adf6

diff --git a/src/position.cpp b/src/position.cpp
index 8954834a..ab8f2473 100644
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -51,6 +51,7 @@ Key Position::zobEp[64];
 Key Position::zobCastle[16];
 Key Position::zobMaterial[2][8][16];
 Key Position::zobSideToMove;
+Key Position::zobExclusion;
 
 Score Position::PieceSquareTable[16][64];
 
@@ -670,7 +671,7 @@ void Position::do_move(Move m, StateInfo& newSt, const CheckInfo& ci, bool moveI
     Key pawnKey, materialKey;
     int castleRights, rule50, pliesFromNull;
     Square epSquare;
-    Value value;
+    Score value;
     Value npMaterial[2];
   };
 
@@ -968,7 +969,7 @@ void Position::do_castle_move(Move m) {
   set_bit(&(byColorBB[us]), rto);
   set_bit(&(byTypeBB[ROOK]), rto);
   set_bit(&(byTypeBB[0]), rto); // HACK: byTypeBB[0] == occupied squares
-  
+
   // Update board array
   Piece king = piece_of_color_and_type(us, KING);
   Piece rook = piece_of_color_and_type(us, ROOK);
@@ -1153,7 +1154,7 @@ void Position::undo_castle_move(Move m) {
 
   assert(piece_on(kto) == piece_of_color_and_type(us, KING));
   assert(piece_on(rto) == piece_of_color_and_type(us, ROOK));
-  
+
   // Remove pieces from destination squares:
   clear_bit(&(byColorBB[us]), kto);
   clear_bit(&(byTypeBB[KING]), kto);
@@ -1161,7 +1162,7 @@ void Position::undo_castle_move(Move m) {
   clear_bit(&(byColorBB[us]), rto);
   clear_bit(&(byTypeBB[ROOK]), rto);
   clear_bit(&(byTypeBB[0]), rto); // HACK: byTypeBB[0] == occupied squares
- 
+
   // Put pieces on source squares:
   set_bit(&(byColorBB[us]), kfrom);
   set_bit(&(byTypeBB[KING]), kfrom);
@@ -1736,6 +1737,8 @@ void Position::init_zobrist() {
 
   for (int i = 0; i < 16; i++)
       zobMaterial[0][KING][i] = zobMaterial[1][KING][i] = Key(0ULL);
+
+  zobExclusion = genrand_int64();
 }