diff --git a/src/main/c/GameTic_Tac_Toe/game.c b/src/main/c/GameTic_Tac_Toe/game.c
index 7d5c061..3f1dc5a 100644
--- a/src/main/c/GameTic_Tac_Toe/game.c
+++ b/src/main/c/GameTic_Tac_Toe/game.c
@@ -4,3 +4,28 @@ char board[3][3] = {{'1', '2', '3'},
                     {'4', '5', '6'},
                     {'7', '8', '9'}};
 char currentPlayer = 'X';
+
+// Funktionen zur Anzeige des Spielbretts
+void displayBoard() {
+    printf("Tic-Tac-Toe\n");
+    for (int i = 0; i < 3; i++) {
+        for (int j = 0; j < 3; j++) {
+            printf("%c", board[i][j]);
+            if (j < 2) printf(" | ");
+        }
+        printf("\n");
+        if (i < 2) printf("---------\n");
+    }
+}
+
+// Funktion zur Überprüfung des Gewinners
+char checkWinner() {
+  // Überprüfe horizontale und vertikale Linien
+    for (int i = 0; i < 3; i++) {
+        if (board[i][0] == board[i][1] && board[i][1] == board[i][2]) return board[i][0];
+        if (board[0][i] == board[1][i] && board[1][i] == board[2][i]) return board[0][i];
+    }
+     // Überprüfe diagonale Linien
+    if (board[0][0] == board[1][1] && board[1][1] == board[2][2]) return board[0][0];
+    if (board[0][2] == board[1][1] && board[1][1] == board[2][0]) return board[0][2];
+