small cleanups

[stockfish] / src / position.cpp

diff --git a/src/position.cpp b/src/position.cpp
index 40ebb959575fd457985b19554b8bd988bc77bc6d..f5ff3da1862b29cf40d75a4b55e5c86ca1d3f8f3 100644 (file)
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -591,7 +591,7 @@ bool Position::pseudo_legal(const Move m) const {
       if (   !(attacks_from<PAWN>(from, us) & pieces(~us) & to) // Not a capture
           && !((from + pawn_push(us) == to) && empty(to))       // Not a single push
           && !(   (from + 2 * pawn_push(us) == to)              // Not a double push
-               && (rank_of(from) == relative_rank(us, RANK_2))
+               && (relative_rank(us, from) == RANK_2)
                && empty(to)
                && empty(to - pawn_push(us))))
           return false;