diff --git a/GameHandler.UnitTests/ExpenseHandlerTests.cs b/GameHandler.UnitTests/ExpenseHandlerTests.cs
new file mode 100644
index 0000000..2dcf340
--- /dev/null
+++ b/GameHandler.UnitTests/ExpenseHandlerTests.cs
@@ -0,0 +1,47 @@
+using GameModel;
+using GameModel.Mocks;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GameHandler.UnitTests
+{
+    [TestFixture]
+    internal class ExpenseHandlerTests
+    {
+        private ExpenseHandler _eh;
+        private int[] _player;
+
+        [SetUp] 
+        public void SetUp() 
+        {
+            _eh = new ExpenseHandler(new FakeExpenseRepository());
+            _player = new[] { 1, 2, 3, 4 };
+        }
+
+        [Test]
+        public void CheckThrow_SinkCausesMultipleSinkExpsenses()
+        {
+            var bs = BoardState.Create();
+            var model = _eh.CheckThrow(bs, PinThrow.Create(PinPicture.Create(), false, true), _player);
+            var expense1 = model.MemberExpenses.First();
+            var expense2 = model.MemberExpenses.Skip(1).First();
+            Assert.That(expense1.Name, Is.EqualTo("Gosse"));
+            Assert.That(expense2.Name, Is.EqualTo("Gosse2"));
+        }
+
+        [Test]
+        public void CheckThrow_NinePinsCausesExpenseForAllOthers()
+        {
+
+        }
+
+        [Test]
+        public void CheckThrow_NoWoodAndBellCausesSinkAndBellExpsense()
+        {
+
+        }
+    }
+}
diff --git a/GameHandler.UnitTests/Mocks/FakeExpenseRepository.cs b/GameHandler.UnitTests/Mocks/FakeExpenseRepository.cs
index 587a267..bf713e4 100644
--- a/GameHandler.UnitTests/Mocks/FakeExpenseRepository.cs
+++ b/GameHandler.UnitTests/Mocks/FakeExpenseRepository.cs
@@ -11,6 +11,7 @@ namespace GameModel.Mocks
     {
         Expense[] Data = new[] {
             Expense.Create(ExpenseType.Monetary,new[] { ExpenseTrigger.Sink }, "Gosse", 0.5m, false),
+            Expense.Create(ExpenseType.Monetary,new[] { ExpenseTrigger.Sink }, "Gosse2", 1.5m, false),
             Expense.Create(ExpenseType.Monetary,new[] { ExpenseTrigger.FullSink }, "Gosse bei Anwurf", 1m, false),
             Expense.Create(ExpenseType.Monetary,new[] { ExpenseTrigger.Circle }, "Kranz", 1m, true),
             Expense.Create(ExpenseType.Monetary,new[] { ExpenseTrigger.NinePins }, "alle Neune", 1m, true),
diff --git a/GameHandler/ExpenseHandler.cs b/GameHandler/ExpenseHandler.cs
index 4aa5821..b258e8a 100644
--- a/GameHandler/ExpenseHandler.cs
+++ b/GameHandler/ExpenseHandler.cs
@@ -2,6 +2,7 @@
 using GameHandler.Extensions;
 using GameModel;
 using GameModel.DeathGame;
+using GameModel.Exceptions;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -22,24 +23,21 @@ namespace GameHandler
             _expenseRepository = expenseRepository;
         }
 
-        private int[] PlayersAtGameStart;
-        private int[] PlayersInGame;
-
-        public void StartGame(int[] playerIds) 
-        {
-            PlayersAtGameStart = playerIds;
-        }
-
         private ExpenseModel _expenseModel = new ExpenseModel(Array.Empty<MemberExpense>());
 
-        public ExpenseModel CheckThrow(BoardState currentState, PinThrow pinThrow)
+        public ExpenseModel CheckThrow(BoardState currentState, PinThrow pinThrow, int[] PlayerIds)
         {
+            if (!PlayerIds.Any(_ => _ == pinThrow.PlayerId))
+            {
+                throw  new InvalidPinThrowException($"Player {pinThrow.PlayerId} not found");
+            }
+
             var memberExpenses = new List<MemberExpense>(_expenseModel.MemberExpenses);
 
             var triggers = pinThrow.GetExpenseTriggers(currentState);
             var destExpenses = _expenseRepository.GetAll().Where(_ => _.ExpenseTriggers.Any(et => triggers.Any(et2 => et2 == et)));
 
-            var inversePlayers = PlayersAtGameStart.Where(_ => _ != pinThrow.PlayerId);
+            var inversePlayers = PlayerIds.Where(_ => _ != pinThrow.PlayerId);
             foreach (var expense in destExpenses)
             {
                 if (expense.IsInverse)
diff --git a/GameModel/Exceptions/InvalidPinThrowException.cs b/GameModel/Exceptions/InvalidPinThrowException.cs
new file mode 100644
index 0000000..1011967
--- /dev/null
+++ b/GameModel/Exceptions/InvalidPinThrowException.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GameModel.Exceptions
+{
+    public class InvalidPinThrowException : KoogleException
+    {
+        public InvalidPinThrowException(string message) : base(message, null)
+        {
+        }
+    }
+}
diff --git a/GameModel/MemberExpense.cs b/GameModel/MemberExpense.cs
index 0415de0..fc7604e 100644
--- a/GameModel/MemberExpense.cs
+++ b/GameModel/MemberExpense.cs
@@ -6,11 +6,11 @@ using System.Threading.Tasks;
 
 namespace GameModel
 {
-    public record MemberExpense(Guid ExpenseGuid, int MemberId, ExpenseType ExpenseType, DateTime Created)
+    public record MemberExpense(Guid ExpenseGuid, int MemberId, ExpenseType ExpenseType, DateTime Created, decimal Price, string Name)
     {
         public static MemberExpense Create(int MemberId, Expense Expense)
         {
-            return new MemberExpense(Guid.NewGuid(), MemberId, Expense.ExpenseType, DateTime.Now);
+            return new MemberExpense(Guid.NewGuid(), MemberId, Expense.ExpenseType, DateTime.Now, Expense.Price, Expense.Name);
         }
     }
 }
diff --git a/GameModel/ThrowModel.cs b/GameModel/ThrowModel.cs
deleted file mode 100644
index 587479c..0000000
--- a/GameModel/ThrowModel.cs
+++ /dev/null
@@ -1,10 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace GameModel
-{
-    public record class ThrowModel();
-}