A competitive advantage over rivals can be gained by seasoned 777 Rummy players through the use of sophisticated strategies. Keeping track of which cards have been played can help you determine which cards are still islots of cashn the deck. This is known as "card counting," an advanced strategy. This can assist seasoned players in predicting the cards that will probably be drawn next and modifying their strategy appropriately. "Bluffing" is another sophisticated strategy for seasoned players that entails deceiving opponents about the cards you are holding through calculated movements. What happens if I declare "777" but make a mistake in my sets or runs?