diff --git a/src/main/java/de/hsfulda/onses/services/GameService.java b/src/main/java/de/hsfulda/onses/services/GameService.java
index d0c36ab..df7cf87 100644
--- a/src/main/java/de/hsfulda/onses/services/GameService.java
+++ b/src/main/java/de/hsfulda/onses/services/GameService.java
@@ -33,6 +33,10 @@ public class GameService {
         // rules:
         if (card.getColor() == lastCard.getColor()) legalMoveFound = true; // same color
 
+        if (card.getValue() == lastCard.getValue()) legalMoveFound = true; // same value
+
+        if (card.getColor() == Card.Color.BLACK) legalMoveFound = true; // Color Black
+
         return legalMoveFound;
     }
 
diff --git a/src/test/java/de/hsfulda/onses/GameServiceTest.java b/src/test/java/de/hsfulda/onses/GameServiceTest.java
index b22147d..7be6f27 100644
--- a/src/test/java/de/hsfulda/onses/GameServiceTest.java
+++ b/src/test/java/de/hsfulda/onses/GameServiceTest.java
@@ -76,6 +76,65 @@ public class GameServiceTest {
         assertEquals(expected, answer);
     }
 
+    @Test
+    @DisplayName("legalMoveSameValueOne")
+    public void legalMoveSameValueOne() {
+        // arrange
+        Card input = new Card().setColor(Card.Color.RED).setValue(Card.Value.ONE);
+        boolean expected = true;
+        // act
+        GameService gameService = new GameService();
+        gameService.getGame().setLastPlayedCard(new Card().setColor(Card.Color.YELLOW).setValue(Card.Value.ONE));
+
+        boolean answer = gameService.legalMove(new Player(), input);
+        // assert
+        assertEquals(expected, answer);
+    }
+
+    @Test
+    @DisplayName("legalMoveSameValueThree")
+    public void legalMoveSameValueThree() {
+        // arrange
+        Card input = new Card().setColor(Card.Color.GREEN).setValue(Card.Value.THREE);
+        boolean expected = true;
+        // act
+        GameService gameService = new GameService();
+        gameService.getGame().setLastPlayedCard(new Card().setColor(Card.Color.YELLOW).setValue(Card.Value.THREE));
+
+        boolean answer = gameService.legalMove(new Player(), input);
+        // assert
+        assertEquals(expected, answer);
+    }
+
+    @Test
+    @DisplayName("legalMoveColorBlack")
+    public void legalMoveColorBlack() {
+        // arrange
+        Card input = new Card().setColor(Card.Color.BLACK).setValue(Card.Value.CHOOSE);
+        boolean expected = true;
+        // act
+        GameService gameService = new GameService();
+        gameService.getGame().setLastPlayedCard(new Card().setColor(Card.Color.YELLOW).setValue(Card.Value.THREE));
+
+        boolean answer = gameService.legalMove(new Player(), input);
+        // assert
+        assertEquals(expected, answer);
+    }
+
+    @Test
+    @DisplayName("legalMoveColorBlackCHOOSEDRAW")
+    public void legalMoveColorBlackCHOOSEDRAW() {
+        // arrange
+        Card input = new Card().setColor(Card.Color.BLACK).setValue(Card.Value.CHOOSEDRAW);
+        boolean expected = true;
+        // act
+        GameService gameService = new GameService();
+        gameService.getGame().setLastPlayedCard(new Card().setColor(Card.Color.GREEN).setValue(Card.Value.FIVE));
+
+        boolean answer = gameService.legalMove(new Player(), input);
+        // assert
+        assertEquals(expected, answer);
+    }
     @Test
     @DisplayName("ShuffelDeck")
     public void ShuffelDeck() {