diff --git a/scripts/evaluation.py b/scripts/evaluation.py
index 3541111..e95251e 100644
--- a/scripts/evaluation.py
+++ b/scripts/evaluation.py
@@ -15,6 +15,10 @@ class BaseEvaluation:
         pass
 
 
+    def get_params(self):
+        pass
+
+
 """
     We will use a random move evaluation as our base AI. This
     is expected to be the worst performing strategy. We can
@@ -38,15 +42,7 @@ class NegaMaxEval(BaseEvaluation):
         self.window = cp_window
 
 
-    def _same(self, a, b):
-        return (int(getattr(a, "from")) == int(getattr(b, "from"))
-                and int(a.to) == int(b.to)
-                and int(getattr(a, "promo", 0) or 0) == int(getattr(b, "promo", 0) or 0))
-
     def get_best_move(self, board, legal_moves):
-        if not legal_moves:
-            raise RuntimeError("No legal moves")
-
         best = Move()
         ok = self.chess_ffi._c_ai_find_best_move_with_window(
             board,
@@ -56,7 +52,9 @@ class NegaMaxEval(BaseEvaluation):
         )
 
         if ok:
-            for m in legal_moves:
-                if self._same(m, best):
-                    return m
-        return legal_moves[0]
\ No newline at end of file
+            return best
+        return legal_moves[0]
+    
+
+    def get_params(self):
+        return [self.depth, self.window]
\ No newline at end of file