Test Antichess KvK that cannot be resolved by search (#929)

Author: niklasf

test.py

@@ -3893,12 +3893,16 @@ def test_suicide_stats(self):
                                        msg=f"Expected dtz {solution['dtz']}, got {dtz} (in l. {l + 1}, fen: {board.fen()})")
 
     def test_antichess_kvk(self):
-        kvk = chess.variant.AntichessBoard("8/8/8/8/8/3K4/8/4k3 w - - 0 30")
+        kvk = chess.variant.AntichessBoard("4k3/8/8/8/8/8/8/4K3 w - - 0 1")
 
         tables = chess.syzygy.Tablebase()
         with self.assertRaises(KeyError):
             tables.probe_dtz(kvk)
 
+        tables = chess.syzygy.Tablebase(VariantBoard=chess.variant.AntichessBoard)
+        with self.assertRaises(chess.syzygy.MissingTableError):
+            tables.probe_dtz(kvk)
+
 
 class NativeGaviotaTestCase(unittest.TestCase):