Fix trivial is_repetition(1)

niklasf · niklasf · commit 035e32b06143 · 2019-09-07T22:28:10.000+02:00
diff --git a/chess/__init__.py b/chess/__init__.py
@@ -1891,7 +1891,7 @@ def is_repetition(self, count: int = 3) -> bool:
                 maybe_repetitions += 1
                 if maybe_repetitions >= count:
                     break
-        else:
+        if maybe_repetitions < count:
             return False
 
         # Check full replay.
diff --git a/test.py b/test.py
@@ -1215,6 +1215,9 @@ def test_fivefold_repetition(self):
         self.assertTrue(board.is_fivefold_repetition())
         self.assertEqual(board.fen().split()[0], fen.split()[0])
 
+    def test_trivial_is_repetition(self):
+        self.assertTrue(chess.Board().is_repetition(1))
+
     def test_fifty_moves(self):
         # Test positions from Timman - Lutz (1995).
         board = chess.Board()
