diff --git a/battleship/utils.py b/battleship/utils.py
index 69574a9..8932d18 100644
--- a/battleship/utils.py
+++ b/battleship/utils.py
@@ -95,3 +95,49 @@ def check_field(field):
             return False
 
     return True
+
+
+def kill_field(field):
+    cells = list(field)
+    cells = [cells[x * 10: (x + 1) * 10] for x in range(0, 10)]
+    for i in range(10):
+        for j in range(10):
+            if cells[i][j] == '+':
+                ship = [(i, j)]
+                queue = [(i, j)]
+                killed = True
+                while queue:
+                    x, y = queue[0]
+                    queue = queue[1:]
+                    if x > 0:
+                        if cells[x - 1][y] == 'o':
+                            killed = False
+                            break
+                        elif cells[x - 1][y] == '+':
+                            ship.append((x - 1, y))
+                            queue.append((x - 1, y))
+                    if x < 9:
+                        if cells[x + 1][y] == 'o':
+                            killed = False
+                            break
+                        elif cells[x + 1][y] == '+':
+                            ship.append((x + 1, y))
+                            queue.append((x + 1, y))
+                    if y > 0:
+                        if cells[x][y - 1] == 'o':
+                            killed = False
+                            break
+                        elif cells[x][y - 1] == '+':
+                            ship.append((x, y - 1))
+                            queue.append((x, y - 1))
+                    if y < 9:
+                        if cells[x][y + 1] == 'o':
+                            killed = False
+                            break
+                        elif cells[x][y + 1] == '+':
+                            ship.append((x, y + 1))
+                            queue.append((x, y + 1))
+                if killed:
+                    for x, y in ship:
+                        cells[x][y] = 'x'
+    return ''.join([''.join(arr) for arr in cells])
diff --git a/battleship/views.py b/battleship/views.py
index 1f7679f..ed27013 100644
--- a/battleship/views.py
+++ b/battleship/views.py
@@ -6,7 +6,7 @@ from django.utils import timezone
 from django.views.decorators.csrf import csrf_exempt
 
 from battleship.models import Game, Player
-from battleship.utils import check_field
+from battleship.utils import check_field, kill_field
 
 
 @csrf_exempt
@@ -92,21 +92,22 @@ def shoot(request):
     h = data['h']
     v = data['v']
     pos = h * 10 + v
-    if player2.field[pos] == 'x' or player2.field[pos] == '.':
+    if player2.field[pos] == 'x' or player2.field[pos] == '.' or player2.field[pos] == '+':
         return JsonResponse({}, status=403)
     if player2.field[pos] == 'o':
-        new_symb = 'x'
+        new_symb = '+'
     else:
         new_symb = '.'
-        player.game.turn = (1 - player.game.turn)
-        player.game.last_move_ts = timezone.now()
-        player.game.save()
+    player.game.turn = (1 - player.game.turn)
+    player.game.last_move_ts = timezone.now()
+    player.game.save()
     if pos == 0:
         player2.field = new_symb + player2.field[1:]
     elif pos == 99:
         player2.field = player2.field[:99] + new_symb
     else:
         player2.field = player2.field[:pos] + new_symb + player2.field[pos + 1:]
+    player2.field = kill_field(player2.field)
     player2.save()
     game_finish = 'o' not in player2.field
     if game_finish: