You can gain a substantial advantage in Roz Rummy by mastering the sophisticated skill of anticipating your opponent's moves. Insights into their tactics and possitta kingsible melds can be gained by closely observing the cards they pick up and discard. For example, it is reasonable to assume that an opponent is trying to complete a heart sequence or set if they routinely pick up hearts but discard spades. You can also forecast their next moves by looking for patterns in their gameplay.