X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fendgame.cpp;h=a5390b1ab46227f59a0e1e3c5b10b148e542f0cb;hp=b64b75cbca63e22a0f375611d9e5e4be920ea864;hb=6d24ef8585c2ed5618eb9b4ab1d8ee35a05ce2cd;hpb=69eb391cd779223c331fb0de80392cbd323055a9

diff --git a/src/endgame.cpp b/src/endgame.cpp
index b64b75cb..a5390b1a 100644
--- a/src/endgame.cpp
+++ b/src/endgame.cpp
@@ -598,7 +598,7 @@ ScaleFactor Endgame<KPsK>::operator()(const Position& pos) const {
 
   // If all pawns are ahead of the king, on a single rook file and
   // the king is within one file of the pawns, it's a draw.
-  if (   !(pawns & ~in_front_bb(weakSide, rank_of(ksq)))
+  if (   !(pawns & ~forward_ranks_bb(weakSide, ksq))
       && !((pawns & ~FileABB) && (pawns & ~FileHBB))
       &&  distance<File>(ksq, lsb(pawns)) <= 1)
       return SCALE_FACTOR_DRAW;
@@ -645,7 +645,7 @@ ScaleFactor Endgame<KBPKB>::operator()(const Position& pos) const {
       if (relative_rank(strongSide, pawnSq) <= RANK_5)
           return SCALE_FACTOR_DRAW;
 
-      Bitboard path = forward_bb(strongSide, pawnSq);
+      Bitboard path = forward_file_bb(strongSide, pawnSq);
 
       if (path & pos.pieces(weakSide, KING))
           return SCALE_FACTOR_DRAW;
@@ -780,7 +780,7 @@ ScaleFactor Endgame<KNPKB>::operator()(const Position& pos) const {
 
   // King needs to get close to promoting pawn to prevent knight from blocking.
   // Rules for this are very tricky, so just approximate.
-  if (forward_bb(strongSide, pawnSq) & pos.attacks_from<BISHOP>(bishopSq))
+  if (forward_file_bb(strongSide, pawnSq) & pos.attacks_from<BISHOP>(bishopSq))
       return ScaleFactor(distance(weakKingSq, pawnSq));
 
   return SCALE_FACTOR_NONE;