diff --git a/src/main/java/de/tims/viergewinnt/ai/Logic.java b/src/main/java/de/tims/viergewinnt/ai/Logic.java
index 794d610..1aef7f6 100644
--- a/src/main/java/de/tims/viergewinnt/ai/Logic.java
+++ b/src/main/java/de/tims/viergewinnt/ai/Logic.java
@@ -17,8 +17,9 @@ public class Logic {
 	int currentPlayer;
 	
 	public int playChip(int[][] playfield, int column, int player) {
-		
+		//add board update
 		testForWin(playfield, player);
+		currentPlayer = 2;
 		return 0;
 	}
 	
@@ -45,6 +46,8 @@ public class Logic {
 		for(int i = 0; i < gamefield.length; i++) {
 			gamefield[i] = new JLabel();
 			gamefield[i].setBorder(BorderFactory.createLineBorder(Color.gray));
+			gamefield[i].setOpaque(true);
+			gamefield[i].setBackground(Color.white);
 			playfieldPanel.add(gamefield[i]);
 		}
 		
diff --git a/src/test/java/de/tims/viergewinnt/ai/LogicTest.java b/src/test/java/de/tims/viergewinnt/ai/LogicTest.java
index 731b925..71cd919 100644
--- a/src/test/java/de/tims/viergewinnt/ai/LogicTest.java
+++ b/src/test/java/de/tims/viergewinnt/ai/LogicTest.java
@@ -39,6 +39,19 @@ class LogicTest {
 		assertEquals(expectedResult, realResult);
 	}
 	
+	@Test
+	void changePlayerTo2Test() {
+		int[][] playfield = new int[6][6];
+		int column = 0;
+		int player = 1;
+		int expectedResult = 2;
+		
+		testObj.playChip(playfield, column, player);
+		int realResult = testObj.currentPlayer;
+		
+		assertEquals(expectedResult, realResult);
+	}
+	
 	private static Stream<Arguments> playfieldResults() {
 		int[][] playfield1 = {{0, 0, 0, 0, 0, 0}, 
 				   			  {0, 0, 0, 0, 0, 0},