public void CheckGame2()
 {
     TennisGame_v1 game = new TennisGame_v1("player1", "player2");
     RealisticTennisGame(game);
 }
 public void checkTennisGame2()
 {
     TennisGame_v1 game = new TennisGame_v1("player1", "player2");
     checkAllScores(game);
 }