From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Wed, 1 Apr 2020 20:46:51 +0000 (+0200)
Subject: Do not consider passing as capture
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=1d847ef243961fd216554bf93409631094a90cbe;p=fairystockfish.git

Do not consider passing as capture
---

diff --git a/src/position.h b/src/position.h
index ead5799..8541111 100644
--- a/src/position.h
+++ b/src/position.h
@@ -945,7 +945,7 @@ inline bool Position::capture_or_promotion(Move m) const {
 inline bool Position::capture(Move m) const {
   assert(is_ok(m));
   // Castling is encoded as "king captures rook"
-  return (!empty(to_sq(m)) && type_of(m) != CASTLING) || type_of(m) == ENPASSANT;
+  return (!empty(to_sq(m)) && type_of(m) != CASTLING && from_sq(m) != to_sq(m)) || type_of(m) == ENPASSANT;
 }
 
 inline Piece Position::captured_piece() const {