diff --git a/src/board.rs b/src/board.rs
index c7a0a89..ec33b75 100644
--- a/src/board.rs
+++ b/src/board.rs
@@ -95,6 +95,7 @@ lazy_static! {
 pub struct Board {
     /// [`BitBoard`] containing all white pieces
     white_board: BitBoard,
+
     /// [`BitBoard`] containing all black pieces
     black_board: BitBoard,
 }
@@ -274,6 +275,7 @@ impl Board {
             // if overlapping chains were to exist, `self.place_unchecked` could collide with `self.get`
             (*(self as *const Self)).propegate_from_dry(i, j, starting_color)
         };
+
         let mut count = 0;
         for &(i, j) in iterator {
             self.place_unchecked(i, j, starting_color);
@@ -356,9 +358,9 @@ mod test {
         let mut board = Board::new();
         board.place_unchecked(0, 0, Piece::Black);
         board.place_unchecked(0, 1, Piece::White);
-        board.place_unchecked(0, 2, Piece::Black);
 
-        board.propegate_from(0, 2);
+        assert_eq!(board.place(0, 2, Piece::Black), Ok(()));
+
         assert_eq!(board.get(0, 1), Some(Piece::Black));
     }
 
@@ -367,11 +369,10 @@ mod test {
         let mut board = Board::new();
 
         board.place_unchecked(0, 0, Piece::Black);
-
         board.place_unchecked(0, 2, Piece::White);
 
-        board.place_unchecked(0, 3, Piece::Black);
-        board.propegate_from(0, 3);
+        // should fail
+        assert_ne!(board.place(0, 3, Piece::Black), Ok(()));
 
         assert_eq!(
             board.get(0, 1),
@@ -390,8 +391,7 @@ mod test {
             board.place_unchecked(0, j, Piece::White);
         }
 
-        board.place_unchecked(0, 7, Piece::Black);
-        board.propegate_from(0, 7);
+        assert_eq!(board.place(0, 7, Piece::Black), Ok(()));
 
         for j in 2..=6 {
             assert_eq!(