You can learn a lot about your rivals' tactics by watching how they play, & you can then modify your own strategy appropriately. This can help you outrummy master 51 bonusmaneuver your rivals and give you a big advantage in the game. Observing your opponents' discards is a crucial tactic for staying one step ahead. You can learn a lot about the cards that are available and which ones you should avoid picking up by keeping an eye on the cards that they are discarding.