diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/game/Game.java b/Projekte/mdga/model/src/main/java/pp.mdga/game/Game.java
index 4e09869b..7807061f 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/game/Game.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/game/Game.java
@@ -405,4 +405,17 @@ public void notifyObservers() {
             observer.update();
         }
     }
+
+    /**
+     * This method returns the piece through its identifier.
+     *
+     * @param identifier the identifier of the piece
+     * @return the piece
+     */
+    public Piece getPieceThroughIdentifier(String identifier) {
+        String[] parts = identifier.split("-");
+        Color color = Color.valueOf(parts[0]);
+        int index = Integer.parseInt(parts[1]);
+        return board.getPlayerData().get(color).getPieces()[index];
+    }
 }
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/game/Piece.java b/Projekte/mdga/model/src/main/java/pp.mdga/game/Piece.java
index aef3f73f..96d4419b 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/game/Piece.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/game/Piece.java
@@ -7,6 +7,7 @@ public class Piece {
     private ShieldState shield;
     private PieceState state;
     private final Color color;
+    private final int id;
 
     /**
      * This constructor is used to create a new Piece
@@ -14,10 +15,11 @@ public class Piece {
      * @param color the color of the piece
      * @param state the state of the piece
      */
-    public Piece(Color color, PieceState state) {
+    public Piece(Color color, PieceState state, int id) {
         this.color = color;
         this.state = state;
         shield = ShieldState.NONE;
+        this.id = id;
     }
 
     /**
@@ -82,4 +84,13 @@ public boolean isSuppressed() {
     public Color getColor() {
         return color;
     }
+
+    /**
+     * This method is used to get the color of the piece
+     *
+     * @return the color of the piece
+     */
+    public String getIdentifier() {
+        return color.toString() + "-" + id;
+    }
 }
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/game/PlayerData.java b/Projekte/mdga/model/src/main/java/pp.mdga/game/PlayerData.java
index 7f2d48d2..c68bc8ff 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/game/PlayerData.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/game/PlayerData.java
@@ -19,7 +19,7 @@ public PlayerData(Color color) {
         waitingArea = new Piece[4];
         for (int i = 0; i < 4; i++) {
             homeNodes[i] = new HomeNode();
-            pieces[i] = new Piece(color, PieceState.WAITING);
+            pieces[i] = new Piece(color, PieceState.WAITING, i);
             waitingArea[i] = pieces[i];
         }
     }
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestMove.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestMove.java
index 22bb9e45..48fd187d 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestMove.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestMove.java
@@ -1,9 +1,28 @@
 package pp.mdga.message.client;
 
+import pp.mdga.game.Color;
+
 public class RequestMove extends ClientMessage {
+
+    private final String pieceIdentifier;
+
+    /** Constructor for RequestMove
+     * @param pieceIdentifier the piece identifier
+     */
+    public RequestMove(String pieceIdentifier) {
+        this.pieceIdentifier = pieceIdentifier;
+    }
+
+    /** Getter for the piece identifier
+     * @return the piece identifier
+     */
+    public String getPieceIdentifier() {
+        return pieceIdentifier;
+    }
+
     @Override
     public String toString() {
-        return "null";
+        return pieceIdentifier;
     }
 
     @Override
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestPlayCard.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestPlayCard.java
index 48be71b7..67885e0f 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestPlayCard.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestPlayCard.java
@@ -1,9 +1,28 @@
 package pp.mdga.message.client;
 
+import pp.mdga.game.BonusCard;
+
 public class RequestPlayCard extends ClientMessage {
+
+    private final BonusCard card;
+    private final String pieceIdentifier;
+
+    public RequestPlayCard(BonusCard card, String pieceIdentifier) {
+        this.pieceIdentifier = pieceIdentifier;
+        this.card = card;
+    }
+
+    public BonusCard getCard() {
+        return card;
+    }
+
+    public String getPieceIdentifier() {
+        return pieceIdentifier;
+    }
+
     @Override
     public String toString() {
-        return "null";
+        return card.toString();
     }
 
     @Override
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectCard.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectCard.java
index ece2ffae..44957a6c 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectCard.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectCard.java
@@ -1,6 +1,19 @@
 package pp.mdga.message.client;
 
+import pp.mdga.game.BonusCard;
+
 public class SelectCard extends ClientMessage {
+
+    private final BonusCard card;
+
+    public SelectCard(BonusCard card) {
+        this.card = card;
+    }
+
+    public BonusCard getCard() {
+        return card;
+    }
+
     @Override
     public String toString() {
         return "null";
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectTSK.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectTSK.java
index 222d07d4..02a5c4cf 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectTSK.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectTSK.java
@@ -1,6 +1,19 @@
 package pp.mdga.message.client;
 
+import pp.mdga.game.Color;
+
 public class SelectTSK extends ClientMessage {
+
+    private final Color color;
+
+    public SelectTSK(Color color) {
+        this.color = color;
+    }
+
+    public Color getColor() {
+        return color;
+    }
+    
     @Override
     public String toString() {
         return "null";
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectedPieces.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectedPieces.java
index d8978857..50290e19 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectedPieces.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectedPieces.java
@@ -1,6 +1,25 @@
 package pp.mdga.message.client;
 
+import pp.mdga.game.Color;
+
 public class SelectedPieces extends ClientMessage {
+
+    private String pieceIdentifier;
+
+    /** Constructor for SelectedPieces
+     * @param pieceIdentifier the piece identifier
+     */
+    public SelectedPieces(String pieceIdentifier) {
+        this.pieceIdentifier = pieceIdentifier;
+    }
+
+    /** Getter for the piece identifier
+     * @return the piece identifier
+     */
+    public String getPieceIdentifier() {
+        return pieceIdentifier;
+    }
+
     @Override
     public String toString() {
         return "null";
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/ActivePlayer.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/ActivePlayer.java
index 3ba4a9ce..e7c35daa 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/ActivePlayer.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/ActivePlayer.java
@@ -1,6 +1,25 @@
 package pp.mdga.message.server;
 
+import pp.mdga.game.Color;
+
 public class ActivePlayer extends ServerMessage {
+
+    private Color color;
+
+    /** Constructor for ActivePlayer
+     * @param color the color of the active player
+     */
+    public ActivePlayer(Color color) {
+        this.color = color;
+    }
+
+    /** Getter for the color of the active player
+     * @return the color of the active player
+     */
+    public Color getColor() {
+        return color;
+    }
+
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/AnyPiece.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/AnyPiece.java
index 5b4ecdd4..42e3cec6 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/AnyPiece.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/AnyPiece.java
@@ -1,6 +1,31 @@
 package pp.mdga.message.server;
 
+import java.util.ArrayList;
+
 public class AnyPiece extends ServerMessage {
+
+    private ArrayList<String> piece;
+
+    /** Constructor for AnyPiece
+     */
+    public AnyPiece() {
+        piece = new ArrayList<>();
+    }
+
+    /** Add a piece to the list of pieces
+     * @param piece the piece to add
+     */
+    public void addPiece(String piece) {
+        this.piece.add(piece);
+    }
+
+    /** Getter for the list of pieces
+     * @return the list of pieces
+     */
+    public ArrayList<String> getPiece() {
+        return piece;
+    }
+
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/Dice.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/Dice.java
index f1725669..7330505f 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/Dice.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/Dice.java
@@ -1,6 +1,52 @@
 package pp.mdga.message.server;
 
+import java.util.ArrayList;
+
 public class Dice extends ServerMessage {
+
+    private final int diceEye;
+    private final ArrayList<String> moveablePieces;
+
+    /** Constructor for Dice
+     * @param diceEye the eye of the dice
+     * @param moveablePieces the pieces that can be moved
+     */
+    public Dice(int diceEye, ArrayList<String> moveablePieces) {
+        this.diceEye = diceEye;
+        this.moveablePieces = moveablePieces;
+    }
+
+    /** Constructor for inactivePlayer
+     * @param diceEye the eye of the dice
+     * @return a new Dice object
+     */
+    public static Dice inactivePlayer(int diceEye) {
+        return new Dice(diceEye, null);
+    }
+
+    /** Constructor for activePlayer
+     * @param diceEye the eye of the dice
+     * @param moveablePieces the pieces that can be moved
+     * @return a new Dice object
+     */
+    public static Dice activePlayer(int diceEye, ArrayList<String> moveablePieces) {
+        return new Dice(diceEye, moveablePieces);
+    }
+
+    /** Getter for the eye of the dice
+     * @return the eye of the dice
+     */
+    public int getDiceEye() {
+        return diceEye;
+    }
+
+    /** Getter for the pieces that can be moved
+     * @return the pieces that can be moved
+     */
+    public ArrayList<String> getMoveablePieces() {
+        return moveablePieces;
+    }
+
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/LobbyPlayerJoin.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/LobbyPlayerJoin.java
index db6a9bff..5d686153 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/LobbyPlayerJoin.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/LobbyPlayerJoin.java
@@ -1,6 +1,17 @@
 package pp.mdga.message.server;
 
 public class LobbyPlayerJoin extends ServerMessage {
+
+    private final String name;
+
+    public LobbyPlayerJoin(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/LobbyPlayerLeave.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/LobbyPlayerLeave.java
index 73b7535a..4f4ab6a3 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/LobbyPlayerLeave.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/LobbyPlayerLeave.java
@@ -1,6 +1,24 @@
 package pp.mdga.message.server;
 
+import pp.mdga.game.Color;
+
 public class LobbyPlayerLeave extends ServerMessage {
+
+    private final String name;
+    private final Color color;
+
+    public LobbyPlayerLeave(String name, Color color) {
+        this.name = name;
+        this.color = color;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public Color getColor() {
+        return color;
+    }
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/MoveMessage.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/MoveMessage.java
index 9f1cfc18..4a7a3a39 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/MoveMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/MoveMessage.java
@@ -1,6 +1,26 @@
 package pp.mdga.message.server;
 
 public class MoveMessage extends ServerMessage {
+
+    private final String pieceIdentifier;
+
+    /**
+     * @param identifier the identifier of the piece that should be moved
+     */
+    public MoveMessage(String identifier) {
+        this.pieceIdentifier = identifier;
+    }
+
+    /**
+     * @return the identifier of the piece that should be moved
+     */
+    public String getIdentifier() {
+        return pieceIdentifier;
+    }
+
+    /**
+     * @return the identifier of the piece that should be moved
+     */
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PlayCard.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PlayCard.java
index 4886ecae..4b5f61ae 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PlayCard.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PlayCard.java
@@ -1,6 +1,34 @@
 package pp.mdga.message.server;
 
+import pp.mdga.game.BonusCard;
+
 public class PlayCard extends ServerMessage {
+
+    private final BonusCard card;
+    private final String pieceIdentifier;
+
+    /**
+     * @param card the card that should be played
+     * @param pieceIdentifier the identifier of the piece that should be moved
+     */
+    public PlayCard(BonusCard card, String pieceIdentifier) {
+        this.card = card;
+        this.pieceIdentifier = pieceIdentifier;
+    }
+
+    /**
+     * @return the card that should be played
+     */
+    public BonusCard getCard() {
+        return card;
+    }
+
+    /**
+     * @return the identifier of the piece that should be moved
+     */
+    public String getPieceIdentifier() {
+        return pieceIdentifier;
+    }
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PossibleCard.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PossibleCard.java
index ec45f934..d543b3c6 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PossibleCard.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PossibleCard.java
@@ -1,6 +1,33 @@
 package pp.mdga.message.server;
 
+import pp.mdga.game.BonusCard;
+
+import java.util.ArrayList;
+
 public class PossibleCard extends ServerMessage {
+
+    private ArrayList<BonusCard> possibleCards;
+
+    /** Constructor for PossibleCard
+     */
+    public PossibleCard() {
+        possibleCards = new ArrayList<>();
+    }
+
+    /** Add a possible card to the list of possible cards
+     * @param card the possible card to add
+     */
+    public void addPossibleCard(BonusCard card) {
+        this.possibleCards.add(card);
+    }
+
+    /** Getter for the list of possible cards
+     * @return the list of possible cards
+     */
+    public ArrayList<BonusCard> getPossibleCards() {
+        return possibleCards;
+    }
+
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PossiblePiece.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PossiblePiece.java
index 5f0f2786..d85b9453 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PossiblePiece.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/PossiblePiece.java
@@ -1,6 +1,40 @@
 package pp.mdga.message.server;
 
+import java.util.ArrayList;
+
 public class PossiblePiece extends ServerMessage {
+
+    private final ArrayList<String> possibleOwnPieces;
+    private final ArrayList<String> possibleEnemyPieces;
+
+    /** Constructor for PossiblePiece
+     */
+    public PossiblePiece() {
+        possibleOwnPieces = new ArrayList<>();
+        possibleEnemyPieces = new ArrayList<>();
+    }
+
+    /** Add a piece to the list of possible pieces
+     * @param piece the piece to add
+     */
+    public void addOwnPossiblePiece(String piece) {
+        this.possibleOwnPieces.add(piece);
+    }
+
+    /** Add a piece to the list of possible enemy pieces
+     * @param piece the piece to add
+     */
+    public void addEnemyPossiblePiece(String piece) {
+        this.possibleEnemyPieces.add(piece);
+    }
+
+    /** Getter for the list of possible pieces
+     * @return the list of possible pieces
+     */
+    public ArrayList<String> getPossiblePieces() {
+        return possibleOwnPieces;
+    }
+
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/ReconnectBriefing.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/ReconnectBriefing.java
index 9ba5ae73..7910e2c2 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/ReconnectBriefing.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/ReconnectBriefing.java
@@ -1,6 +1,18 @@
 package pp.mdga.message.server;
 
+import pp.mdga.game.Game;
+
 public class ReconnectBriefing extends ServerMessage {
+
+    private final Game game;
+
+    public ReconnectBriefing(Game game) {
+        this.game = game;
+    }
+
+    public Game getGame() {
+        return game;
+    }
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/StartPiece.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/StartPiece.java
index 5d9131c2..902c467b 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/StartPiece.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/StartPiece.java
@@ -1,6 +1,17 @@
 package pp.mdga.message.server;
 
 public class StartPiece extends ServerMessage {
+
+    private final String pieceIdentifier;
+
+    public StartPiece(String pieceIdentifier) {
+        this.pieceIdentifier = pieceIdentifier;
+    }
+
+    public String getPieceIdentifier() {
+        return pieceIdentifier;
+    }
+
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/UpdateReady.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/UpdateReady.java
index 95571da6..c7ad2593 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/UpdateReady.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/UpdateReady.java
@@ -1,6 +1,24 @@
 package pp.mdga.message.server;
 
+import pp.mdga.game.Color;
+
 public class UpdateReady extends ServerMessage {
+
+    private final Color color;
+    private final boolean ready;
+
+    public UpdateReady(Color color, boolean ready) {
+        this.color = color;
+        this.ready = ready;
+    }
+
+    public Color getColor() {
+        return color;
+    }
+
+    public boolean isReady() {
+        return ready;
+    }
     @Override
     public void accept(ServerInterpreter interpreter) {
 
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/UpdateTSK.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/UpdateTSK.java
index 1cbf752d..c3d8e7fa 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/server/UpdateTSK.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/server/UpdateTSK.java
@@ -1,6 +1,24 @@
 package pp.mdga.message.server;
 
+import pp.mdga.game.Color;
+
 public class UpdateTSK extends ServerMessage {
+
+    private final String name;
+    private final Color color;
+
+    public UpdateTSK(String name, Color color) {
+        this.name = name;
+        this.color = color;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public Color getColor() {
+        return color;
+    }
     @Override
     public void accept(ServerInterpreter interpreter) {