diff --git a/Sledgemapper.Api/Hubs/SledgemapperHub.cs b/Sledgemapper.Api/Hubs/SledgemapperHub.cs
index ae25fd3..8ea8867 100644
--- a/Sledgemapper.Api/Hubs/SledgemapperHub.cs
+++ b/Sledgemapper.Api/Hubs/SledgemapperHub.cs
@@ -38,7 +38,8 @@ namespace SignalRChat.Hubs
             "#911eb4",
             "#800000",
             "#808000",
-            "#469990"};
+            "#469990"
+        };
 
         public async Task NewTile(string sessionName, Tile tile)
         {
@@ -107,7 +108,7 @@ namespace SignalRChat.Hubs
             var userId = int.Parse(Context.User.Identity.Name);
             var SessionUsers = _dbContext.SessionUsers.Where(m => m.SessionId == sessionId).OrderBy(m => m.UserId).ToList();
             var user = _datacontext.Users.First(u => u.Id == userId);
-            var player = new Player { UserId = userId, Initials = user.Initials, Position = tile, Color = Colors[SessionUsers.IndexOf(SessionUsers.FirstOrDefault(m => m.UserId == userId))] };
+            var player = new Player { UserId = userId, Initials = user.Initials, Position = tile, Color = UserColors[userId]};
             await Clients.Group(sessionName).PlayerUpdate(player);
         }
 
@@ -125,12 +126,13 @@ namespace SignalRChat.Hubs
         public override async Task OnDisconnectedAsync(Exception exception)
         {
             var userConnection = _dbContext.UserConnections.FirstOrDefault(m => m.ConnectionId == Context.ConnectionId);
+            var userId=userConnection.UserId;
             if (userConnection != null)
             {
                 _dbContext.UserConnections.Remove(userConnection);
             }
 
-            var userSessions = _dbContext.SessionUsers.Where(m => m.UserId == userConnection.UserId).ToList();
+            var userSessions = _dbContext.SessionUsers.Where(m => m.UserId == userId).ToList();
             {
                 foreach (var userSession in userSessions)
                 {
@@ -138,7 +140,6 @@ namespace SignalRChat.Hubs
                     await Clients.Group(session.SessionName).PlayerUpdate(null); //send remove player
                     _dbContext.SessionUsers.Remove(userSession);
                 }
-
             }
             await _dbContext.SaveChangesAsync();
 
diff --git a/Sledgemapper.Api/sledgemapper.db b/Sledgemapper.Api/sledgemapper.db
index 5531a39..892ac8b 100644
Binary files a/Sledgemapper.Api/sledgemapper.db and b/Sledgemapper.Api/sledgemapper.db differ
diff --git a/Sledgemapper/CommunicationManager.cs b/Sledgemapper/CommunicationManager.cs
index 9eeae14..abaac79 100644
--- a/Sledgemapper/CommunicationManager.cs
+++ b/Sledgemapper/CommunicationManager.cs
@@ -122,10 +122,10 @@ namespace Sledgemapper
             return Task.FromResult(_authenticateResponse.Token);
         }
 
-        public async Task<bool> Register(RegisterModel registerModel)
+        public async Task<HttpResponseMessage> Register(RegisterModel registerModel)
         {
             var result = await Api.Register(registerModel).ConfigureAwait(false);
-            return result.IsSuccessStatusCode;
+            return result;
         }
 
         public async Task<AuthenticateResponse> Login(AuthenticateModel authenticateModel)
diff --git a/Sledgemapper/Sledgemapper.cs b/Sledgemapper/Sledgemapper.cs
index 0651f2e..d5360d1 100644
--- a/Sledgemapper/Sledgemapper.cs
+++ b/Sledgemapper/Sledgemapper.cs
@@ -153,6 +153,11 @@ namespace Sledgemapper
                     _state.SelectOverlay(screenPosition);
                 }
 
+                if (newState.IsKeyDown(Keys.LeftControl) && newState.IsKeyDown(Keys.C))
+                {
+                    CenterOnSelectedTile();
+                }
+
                 if (mouseState.LeftButton == ButtonState.Pressed && mouseState.LeftButton != oldMouseState.LeftButton)
                 {
                     _state._selectedTile.X = _state._hoveredTile.X;
@@ -187,6 +192,8 @@ namespace Sledgemapper
                 if (!newState.IsKeyDown(Keys.LeftControl) && mouseState.LeftButton == ButtonState.Pressed && mouseState.LeftButton == oldMouseState.LeftButton)
                 {
                     _viewportCenter = new Vector3(_viewportCenter.X + mouseState.Position.X - oldMouseState.Position.X, _viewportCenter.Y + mouseState.Position.Y - oldMouseState.Position.Y, 0);
+              
+                    Console.WriteLine($"{_state._selectedTile.X}:{_state._selectedTile.Y} / {_viewportCenter.X}:{_viewportCenter.Y}");
                 }
 
                 if (newState.IsKeyDown(Keys.LeftControl) && mouseState.ScrollWheelValue != oldMouseState.ScrollWheelValue)
@@ -254,6 +261,12 @@ namespace Sledgemapper
             base.Update(gameTime);
         }
 
+        private void CenterOnSelectedTile()
+        {
+            _viewportCenter.X=_state._selectedTile.X*_state._tileSize;
+            _viewportCenter.Y=_state._selectedTile.Y*_state._tileSize;
+        }
+
         protected override void Draw(GameTime gameTime)
         {
             if (_spriteBatch is null)
@@ -676,7 +689,7 @@ namespace Sledgemapper
                     LastName = localContent.TxtLastname.Text,
                     Initials = localContent.TxtInitials.Text
                 });
-                if (result)
+                if (result.IsSuccessStatusCode)
                 {
                     _authResponse = await _communicationManager.Login(new AuthenticateModel
                     {
@@ -685,6 +698,11 @@ namespace Sledgemapper
                     });
                     successful = true;
                 }
+                else
+                {
+                    localContent.LblLoginError.Text = result.ReasonPhrase;
+                    localContent.LblLoginError.Visible = true;
+                }
             }
             catch (Refit.ApiException refitException)
             {