diff --git a/Torpedo/Torpedo/AIPlayer.cs b/Torpedo/Torpedo/AIPlayer.cs
index 6a3aa5b..bb15927 100644
--- a/Torpedo/Torpedo/AIPlayer.cs
+++ b/Torpedo/Torpedo/AIPlayer.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -26,7 +27,24 @@ namespace Torpedo
 
         public static void Attack()
         {
-            //TODO
+            int x, y;
+            do
+            {
+                x = rand.Next(Game.GameSize.Width);
+                y = rand.Next(Game.GameSize.Height);
+            } while (Player.Player2.Shots.Any(p => p.X == x && p.Y == y));
+                Ship ship = Ship.GetShipAtField(Player.CurrentEnemy, x, y);
+            if (ship == null)
+            {
+                Player.CurrentOwn.Shots.Add(new Point(x, y));
+            }
+            else
+            {
+                if (ship.Direction == ShipDirection.Horizontal)
+                    ship.DamagedParts[x - ship.X] = true;
+                else
+                    ship.DamagedParts[y - ship.Y] = true;
+            }
         }
     }
 }
diff --git a/Torpedo/Torpedo/Game.cs b/Torpedo/Torpedo/Game.cs
index 90c4b1e..f4395cf 100644
--- a/Torpedo/Torpedo/Game.cs
+++ b/Torpedo/Torpedo/Game.cs
@@ -114,12 +114,20 @@ namespace Torpedo
                     GameForm.Instance.Reset();
                     return;
                 }
+                if (Player.CurrentOwn.Ships.All(s => s.DamagedParts.All(d => d)))
+                {
+                    MessageBox.Show("Vereség!");
+                    GameForm.Instance.Reset();
+                    return;
+                }
                 if (Type == GameType.Singleplayer)
                 {
+                    GameForm.Instance.SetPanelsEnabled(false);
                     Player.SwapPlayers();
                     if (Player.CurrentOwn == Player.Player2)
-                        AIPlayer.PlaceShips();
+                        AIPlayer.Attack();
                     Player.SwapPlayers();
+                    GameForm.Instance.SetPanelsEnabled(true);
                 }
                 else if (Type == GameType.Multiplayer)
                 {
diff --git a/Torpedo/Torpedo/GameRenderer.cs b/Torpedo/Torpedo/GameRenderer.cs
index 118ac04..ea9fbd5 100644
--- a/Torpedo/Torpedo/GameRenderer.cs
+++ b/Torpedo/Torpedo/GameRenderer.cs
@@ -98,6 +98,8 @@ namespace Torpedo
             {
                 int width = Parent.Width / Game.GameSize.Width;
                 int height = Parent.Height / Game.GameSize.Height;
+                if (x > Game.GameSize.Width || x < 0 || y > Game.GameSize.Height || y < 0)
+                    throw new InvalidOperationException("A koordináták a játéktéren kívül esnek.");
                 gr.FillRectangle(new SolidBrush(color), x * width, y * height, width, height);
             }
         }
diff --git a/Torpedo/Torpedo/OwnGameRenderer.cs b/Torpedo/Torpedo/OwnGameRenderer.cs
index 96fce66..de462bc 100644
--- a/Torpedo/Torpedo/OwnGameRenderer.cs
+++ b/Torpedo/Torpedo/OwnGameRenderer.cs
@@ -18,8 +18,10 @@ namespace Torpedo
 
         private static ReadOnlyDictionary<FieldTypeOwn, Color> FieldTypes = new ReadOnlyDictionary<FieldTypeOwn, Color>(new Dictionary<FieldTypeOwn, Color>()
         {
-            {FieldTypeOwn.OwnShip, Color.LightGray},
-            {FieldTypeOwn.OwnShipDamaged, Color.DarkRed}
+            { FieldTypeOwn.OwnShip, Color.LightGray },
+            { FieldTypeOwn.OwnShipDamaged, Color.DarkRed },
+            { FieldTypeOwn.OwnShipDestroyed, Color.Black },
+            { FieldTypeOwn.Missed, Color.LightBlue }
         });
 
         public void UpdateField(int x, int y, FieldTypeOwn fieldtype)
@@ -30,12 +32,18 @@ namespace Torpedo
         public override void RenderShip(Ship ship)
         {
             //TODO: Képek az egyes hajótípusokhoz
+            bool destroyed = ship.DamagedParts.All(p => p);
             for (int i = 0; i < ship.Size; i++)
             {
+                FieldTypeOwn fto = FieldTypeOwn.OwnShip;
+                if (destroyed)
+                    fto = FieldTypeOwn.OwnShipDestroyed;
+                else if (ship.DamagedParts[i])
+                    fto = FieldTypeOwn.OwnShipDamaged;
                 if (ship.Direction == ShipDirection.Horizontal)
-                    UpdateField(ship.X + i, ship.Y, FieldTypeOwn.OwnShip);
+                    UpdateField(ship.X + i, ship.Y, fto);
                 else
-                    UpdateField(ship.X, ship.Y + i, FieldTypeOwn.OwnShip);
+                    UpdateField(ship.X, ship.Y + i, fto);
             }
             //TODO: Rárajzolni a képet a mezőkre
         }
@@ -43,12 +51,15 @@ namespace Torpedo
         public override void RenderGameField()
         {
             Player.CurrentOwn.Ships.ForEach(s => RenderShip(s));
+            Player.CurrentEnemy.Shots.ForEach(s => UpdateField(s.X, s.Y, FieldTypeOwn.Missed));
         }
     }
 
     public enum FieldTypeOwn
     {
         OwnShip,
-        OwnShipDamaged
+        OwnShipDamaged,
+        OwnShipDestroyed,
+        Missed
     }
 }