Observing your opponents' moves and discards is a crucial tactic for winning at rummy. Players can learn a lot about their opponents' hand combinations by watcrummy new game 51 bonushing which cards their opponents are discarding or picking up, & they can then modify their own play accordingly. Players with this degree of strategic awareness may have a big advantage over other players. Good Handling Techniques. Also, the ability to effectively manage one's hand is essential to winning at rummy.