diff --git a/HNS/Excercises/ShipCraft/Переделка/ShipField.py b/HNS/Excercises/ShipCraft/Переделка/ShipField.py
index c296e4f..3671d15 100644
--- a/HNS/Excercises/ShipCraft/Переделка/ShipField.py
+++ b/HNS/Excercises/ShipCraft/Переделка/ShipField.py
@@ -286,6 +286,11 @@ class ShipField:
         return self.field[row * ShipField.field_size + col].strip() == "\\"
 
     def check_empty(self, row, col):
+        if row < 0 or row > ShipField.field_size - 1:
+            return False
+        if col < 0 or col > ShipField.field_size - 1:
+            return False
+
         cell = self.field[row * ShipField.field_size + col].strip()
         return cell == "0" or cell == ""
 
diff --git a/HNS/Excercises/ShipCraft/Переделка/main.py b/HNS/Excercises/ShipCraft/Переделка/main.py
index 90f35ec..ab11e1b 100644
--- a/HNS/Excercises/ShipCraft/Переделка/main.py
+++ b/HNS/Excercises/ShipCraft/Переделка/main.py
@@ -11,7 +11,6 @@ from GameMode import GameMode
 from ShootResult import ShootResult
 
 
-
 def create_view(window, enemy):
     field = ShipField()
     buttons = []
@@ -27,6 +26,7 @@ def create_view(window, enemy):
     colorize(view)
     return view
 
+
 def show_view(view, col_offset=0, row_offset=0):
     field_size = view.ship_field.field_size
 
@@ -140,6 +140,7 @@ def load_field(view, file_path):
 
     colorize(view)
 
+
 def refresh_remaining_ships_label(view):
     text = ''
     for i in range(1, 5):
@@ -162,7 +163,6 @@ def next_game_mode():
     update_game_mode()
 
 
-
 def update_game_mode():
     global game_mode