diff --git a/engine/src/lib.rs b/engine/src/lib.rs
index 1038d42..6ba74b3 100644
--- a/engine/src/lib.rs
+++ b/engine/src/lib.rs
@@ -123,6 +123,21 @@ impl Game {
             state: GameState::LightPlayerTurn,
         }
     }
+
+    // TODO: Add in rules for long jump on kings, and forcing to jump as many pieces as possible.
+    // TODO: only support the minimal setup required for an American game of checkers.
+
+    pub fn can_piece_move(&self, row: usize, col: usize) {
+        // TODO: based on player turn, available jumps and moves.
+    }
+
+    pub fn must_piece_jump(&self, row: usize, col: usize) {
+        // TODO: based on player turn, available jumps and moves.
+    }
+
+    pub fn change_turns(&mut self) {
+        // TODO: go to the next turn...
+    }
 }
 
 #[cfg(test)]