[board] Check that move is in sight of piece

If it's not, return an error from MoveBuilder::make()

board/src/position/builders/move_builder.rs

@@ -62,9 +62,14 @@ where
             .position
             .piece_on_square(from_square)
             .ok_or(MakeMoveError::NoPiece)?;
-        println!("{}", &piece);
 
         let to_square = mv.to_square();
+
+        let sight = piece.sight_in_position(self.position);
+        if !sight.is_set(to_square) {
+            return Err(MakeMoveError::IllegalSquare(to_square));
+        }
+
         let player = self.position.player_to_move();
 
         let captured_piece: Option<PlacedPiece> = if mv.is_en_passant() {