diff --git a/Qwirkle/TestBase/TestBoard.cs b/Qwirkle/TestBase/TestBoard.cs
index cd48a03..3566669 100644
--- a/Qwirkle/TestBase/TestBoard.cs
+++ b/Qwirkle/TestBase/TestBoard.cs
@@ -1,4 +1,5 @@
 using QwirkleClassLibrary.Boards;
+using QwirkleClassLibrary.Players;
 using QwirkleClassLibrary.Tiles;
 using System.Collections.ObjectModel;
 namespace TestBase;
@@ -105,7 +106,23 @@ public class TestBoard
         return;
 
     }
+    [Fact]
+    public void Test_EventBoard()
+    {
+        Board board = new(12, 12);
+        Tile tile = new(Shape.Club, Color.Red);
+
+        bool eventRaised = false;
+
+        board.PropertyChanged += (sender, args) =>
+        {
+            eventRaised = true;
+        };
 
+        board.AddTileInCell(1, 1, tile);
+
+        Assert.True(eventRaised);
+    }
 
 
 
diff --git a/Qwirkle/TestBase/TestCell.cs b/Qwirkle/TestBase/TestCell.cs
index 72588bd..954c1f4 100644
--- a/Qwirkle/TestBase/TestCell.cs
+++ b/Qwirkle/TestBase/TestCell.cs
@@ -66,6 +66,24 @@ public class TestCell
         Assert.True(c.IsFree);
     }
 
+    [Fact]
+    public void Test_EventCell()
+    {
+        Cell c = new(1,1);
+        Tile tile = new(Shape.Club, Color.Red);
+
+        bool eventRaised = false;
+
+        c.PropertyChanged += (sender, args) =>
+        {
+            eventRaised = true;
+        };
+
+        c.SetTile(tile);
+
+        Assert.True(eventRaised);
+    }
+
 
 
 
diff --git a/Qwirkle/TestBase/TestPlayer.cs b/Qwirkle/TestBase/TestPlayer.cs
index 2e8df05..5c2b92a 100644
--- a/Qwirkle/TestBase/TestPlayer.cs
+++ b/Qwirkle/TestBase/TestPlayer.cs
@@ -18,7 +18,25 @@ public class TestPlayers
             Assert.Equal(playertag, player.NameTag);
         }
 
-        [Fact]
+    [Fact]
+    public void Test_EventPlayer()
+    {
+        Player player = new Player("jeje");
+        Tile tile = new(Shape.Club, Color.Red);
+
+        bool eventRaised = false;
+
+        player.PropertyChanged += (sender, args) =>
+        {
+            eventRaised = true;
+        };
+
+        player.AddTileToPlayer(tile);
+
+        Assert.True(eventRaised);
+    }
+
+    [Fact]
 
         public void Test_AddTilePlayer() 
         {