- // Decrease reduction for moves that escape a capture. Filter out castling
- // moves because are coded as "king captures rook" and break make_move().
- // Also use see() instead of see_sign() because destination square is empty.
+ // Decrease reduction for moves that escape a capture. Filter out
+ // castling moves, because they are coded as "king captures rook" and
+ // hence break make_move(). Also use see() instead of see_sign(),
+ // because the destination square is empty.