Allow Position::init() to be called more than once

[stockfish] / src / position.cpp

diff --git a/src/position.cpp b/src/position.cpp
index 15ccb4835dbea166a6ae267d30e27056893734ac..5a98821d493dde10d9fe2bd020ba17467c1d7ea5 100644 (file)
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -149,6 +149,7 @@ void Position::init() {
 
   for (int cr = NO_CASTLING; cr <= ANY_CASTLING; ++cr)
   {
 
   for (int cr = NO_CASTLING; cr <= ANY_CASTLING; ++cr)
   {

+      Zobrist::castling[cr] = 0;

       Bitboard b = cr;
       while (b)
       {
       Bitboard b = cr;
       while (b)
       {