diff --git a/src/lib.rs b/src/lib.rs
index e041f9f..74e7e64 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -170,15 +170,15 @@ impl Board {
             source_rank.is_none_or(|rank| rank == lp.rank)
                 && source_file.is_none_or(|file| file == lp.file)
         })
-        .find(|lp| self.valid_moves(lp).contains((dest_file, dest_rank)))
+        .find(|lp| self.valid_moves(lp.clone()).contains(&(dest_file, dest_rank)))
         .unwrap();
 
         self.capture_if_possible(dest_file, dest_rank);
         piece_to_move.rank = dest_rank;
         piece_to_move.file = dest_file;
     }
-    fn valid_moves(&self, lp: LocatedPiece) -> Vec<(usize, usize)> {
-        let mut moves = vec![];j
+    fn valid_moves(&self, lp: &LocatedPiece) -> Vec<(usize, usize)> {
+        let mut moves = vec![];
         match lp.piece {
             Piece::Pawn => ,//todo: en passant (requires a list of moves to keep track of whether the previous
             //move was one that is en passantable?)