It's also critical to observe which cards your opponents are discarding and picking up, as this can reveal important information about the cards they are attempting to discard as well as which ones they are collecting. Conquering the Dynamics of the Gamgambino slotse. A winning strategy for Rummy 51 also involves keeping an eye on the cards that have already been played as well as those that are in the draw pile. This will provide you with a better understanding of which cards are still available for you to finish your sets and runs, enabling you to make well-informed decisions about which cards to pick up & which ones to discard. As this will affect your final score at the end of the round, it's also critical to pay attention to how many points each card has.