Since they serve as the cornerstone for more complex strategies, it is imperative that any player hoping to succeed in Roz Rummy comprehend these fundamental rules. Meld formation & opponent disruption. Abonus 51 good strategy is to concentrate on meld formation as fast as you can while monitoring your opponents' moves. You can disrupt your opponents' plans in addition to moving your own hand forward with this dual focus. For example, you may want to hold onto cards that could help your opponent finish their melds, preventing them from moving forward, if you see that they are gathering cards of a specific suit.