diff --git a/Apollon.WPF/Apollon.WPF.csproj b/Apollon.WPF/Apollon.WPF.csproj
index d4e24f0..9ed4feb 100644
--- a/Apollon.WPF/Apollon.WPF.csproj
+++ b/Apollon.WPF/Apollon.WPF.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
     <TargetFramework>net6.0-windows</TargetFramework>
-    <Nullable>enable</Nullable>
+    <Nullable>disable</Nullable>
     <UseWPF>true</UseWPF>
   </PropertyGroup>
 
diff --git a/Apollon.WPF/App.xaml.cs b/Apollon.WPF/App.xaml.cs
index 698b254..fce5914 100644
--- a/Apollon.WPF/App.xaml.cs
+++ b/Apollon.WPF/App.xaml.cs
@@ -1,4 +1,5 @@
-using Apollon.WPF.ViewModels;
+using Apollon.WPF.Stores;
+using Apollon.WPF.ViewModels;
 using System;
 using System.Collections.Generic;
 using System.Configuration;
@@ -14,11 +15,17 @@ namespace Apollon.WPF
     /// </summary>
     public partial class App : Application
     {
+        private readonly SelectedTournamentStore _selectedTournamentStore;
+
+        public App()
+        {
+            _selectedTournamentStore = new SelectedTournamentStore();
+        }
         protected override void OnStartup(StartupEventArgs e)
         {
             MainWindow = new MainWindow()
             {
-               DataContext = new ApollonOverviewViewModel()
+               DataContext = new ApollonOverviewViewModel(_selectedTournamentStore)
             };
             MainWindow.Show();
 
diff --git a/Apollon.WPF/Models/Tournament.cs b/Apollon.WPF/Models/Tournament.cs
new file mode 100644
index 0000000..ad6e739
--- /dev/null
+++ b/Apollon.WPF/Models/Tournament.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Apollon.WPF.Models
+{
+    public class Tournament
+    {
+        public Tournament(string organisation, string tournamentname, string category, DateTime datetime, string location)
+        {
+            Organisation = organisation;
+            Tournamentname = tournamentname;
+            Category = category;
+            Datetime = datetime;
+            Location = location;
+        }
+
+        public string Organisation { get; }
+        public string Tournamentname { get; }
+        public string Category { get; }
+        public DateTime Datetime { get; }
+        public string Location { get; }
+    }
+}
diff --git a/Apollon.WPF/Stores/SelectedApollonStore.cs b/Apollon.WPF/Stores/SelectedApollonStore.cs
deleted file mode 100644
index 4b1afe7..0000000
--- a/Apollon.WPF/Stores/SelectedApollonStore.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Apollon.WPF.Stores
-{
-    public class SelectedApollonStore
-    {
-        public int MyProperty { get; set; }
-    }
-}
diff --git a/Apollon.WPF/Stores/SelectedTournamentStore.cs b/Apollon.WPF/Stores/SelectedTournamentStore.cs
new file mode 100644
index 0000000..8222f53
--- /dev/null
+++ b/Apollon.WPF/Stores/SelectedTournamentStore.cs
@@ -0,0 +1,29 @@
+using Apollon.WPF.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Apollon.WPF.Stores
+{
+    public class SelectedTournamentStore
+    {
+		private Tournament _selectedTournament;
+
+		public Tournament SelectedTournament
+		{
+			get
+			{
+				return _selectedTournament;
+			}
+			set
+			{
+				_selectedTournament = value;
+				SelectedTournamentChanged?.Invoke();
+			}
+		}
+
+		public event Action SelectedTournamentChanged;
+	}
+}
diff --git a/Apollon.WPF/ViewModels/ApollonOverviewDetailsViewModel.cs b/Apollon.WPF/ViewModels/ApollonOverviewDetailsViewModel.cs
index 05b2367..9c7d663 100644
--- a/Apollon.WPF/ViewModels/ApollonOverviewDetailsViewModel.cs
+++ b/Apollon.WPF/ViewModels/ApollonOverviewDetailsViewModel.cs
@@ -1,4 +1,6 @@
-using System;
+using Apollon.WPF.Models;
+using Apollon.WPF.Stores;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -8,19 +10,20 @@ namespace Apollon.WPF.ViewModels
 {
     public class ApollonOverviewDetailsViewModel : ViewModelBase
     {
-        public string Organisation { get; }
-        public string Tournamentname { get; }
-        public string Category { get; }
-        public DateTime Datetime { get; }
-        public string Location { get; }
+        private readonly SelectedTournamentStore _selectedTournamentStore;
 
-        public ApollonOverviewDetailsViewModel()
+        private Tournament _selectedTournament => _selectedTournamentStore.SelectedTournament; 
+
+        public bool hasSelectedTournament => _selectedTournament != null;
+        public string Organisation => _selectedTournament?.Organisation ?? "keine Organisation";
+        public string Tournamentname => _selectedTournament?.Tournamentname ?? "kein Name";
+        public string Category => _selectedTournament?.Category ?? "keine Kategorie";
+        //public DateTime Datetime => _selectedTournament
+        public string Location => _selectedTournament?.Location ?? "kein Ort";
+
+        public ApollonOverviewDetailsViewModel(SelectedTournamentStore selectedTournamentStore)
         {
-            Organisation = "Deutscher Schützenbund";
-            Tournamentname = "Deutsche Meisterschaft 2021";
-            Category = "Bogenschießen im Freien";
-            Datetime = DateTime.Now;
-            Location = "Wiesbaden";
+           _selectedTournamentStore = selectedTournamentStore;
         }
     }
 }
diff --git a/Apollon.WPF/ViewModels/ApollonOverviewListingItemViewModel.cs b/Apollon.WPF/ViewModels/ApollonOverviewListingItemViewModel.cs
index 6b93d94..1fdcb13 100644
--- a/Apollon.WPF/ViewModels/ApollonOverviewListingItemViewModel.cs
+++ b/Apollon.WPF/ViewModels/ApollonOverviewListingItemViewModel.cs
@@ -14,7 +14,8 @@ namespace Apollon.WPF.ViewModels
 
         public ApollonOverviewListingItemViewModel(string tournamentname)
         {
-            Tournamentname = tournamentname;            
+            Tournamentname = tournamentname;
+            
         }
     }
 }
diff --git a/Apollon.WPF/ViewModels/ApollonOverviewListingViewModel.cs b/Apollon.WPF/ViewModels/ApollonOverviewListingViewModel.cs
index 95b0605..352fe9b 100644
--- a/Apollon.WPF/ViewModels/ApollonOverviewListingViewModel.cs
+++ b/Apollon.WPF/ViewModels/ApollonOverviewListingViewModel.cs
@@ -1,4 +1,5 @@
-using System;
+using Apollon.WPF.Stores;
+using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
@@ -12,7 +13,7 @@ namespace Apollon.WPF.ViewModels
         private readonly ObservableCollection<ApollonOverviewListingItemViewModel> _apollonOverviewListingItemViewModels;
         public IEnumerable<ApollonOverviewListingItemViewModel> ApollonOverviewListingItemViewModels => _apollonOverviewListingItemViewModels;
 
-        public ApollonOverviewListingViewModel()
+        public ApollonOverviewListingViewModel(SelectedTournamentStore _selectedTournamentStore)
         {
             _apollonOverviewListingItemViewModels = new ObservableCollection<ApollonOverviewListingItemViewModel>();
 
diff --git a/Apollon.WPF/ViewModels/ApollonOverviewViewModel.cs b/Apollon.WPF/ViewModels/ApollonOverviewViewModel.cs
index ca8bf60..994cf94 100644
--- a/Apollon.WPF/ViewModels/ApollonOverviewViewModel.cs
+++ b/Apollon.WPF/ViewModels/ApollonOverviewViewModel.cs
@@ -1,4 +1,5 @@
-using System;
+using Apollon.WPF.Stores;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -13,10 +14,10 @@ namespace Apollon.WPF.ViewModels
         public ApollonOverviewDetailsViewModel ApollonOverviewDetailsViewModel{ get; }
         public ICommand AddTournamentCommand { get; }
 
-        public ApollonOverviewViewModel()
+        public ApollonOverviewViewModel(SelectedTournamentStore _selectedTournamentStore)
         {
-            ApollonOverviewListingViewModel = new ApollonOverviewListingViewModel();
-            ApollonOverviewDetailsViewModel = new ApollonOverviewDetailsViewModel();
+            ApollonOverviewListingViewModel = new ApollonOverviewListingViewModel(_selectedTournamentStore);
+            ApollonOverviewDetailsViewModel = new ApollonOverviewDetailsViewModel(_selectedTournamentStore);
         }
     }
 }
diff --git a/Apollon.WPF/ViewModels/ViewModelBase.cs b/Apollon.WPF/ViewModels/ViewModelBase.cs
index 070a8f6..ecce3c5 100644
--- a/Apollon.WPF/ViewModels/ViewModelBase.cs
+++ b/Apollon.WPF/ViewModels/ViewModelBase.cs
@@ -8,12 +8,12 @@ using System.Threading.Tasks;
 namespace Apollon.WPF.ViewModels
 {
     public class ViewModelBase : INotifyPropertyChanged
-    {
+    {        
         public event PropertyChangedEventHandler PropertyChanged;
 
-        protected virtual void OnPrpertyChanged(string properyName = null)
+        protected virtual void OnPropertyChanged(string propertyName = null)
         {
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(properyName));
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
         }
     }
 }