You can learn a lot about their tactics and predict their next moves by paying attention to the cards they pick up or discard. This awareness gives you the ability to decide for yourself which cards to keep and which to discard, which is a crucrummy game listial ability for outperforming your rivals. Another important tactic is knowing when to merge your cards rather than keeping them for possible future combinations. While winning rounds requires forming melds, revealing your hand too soon can give opponents an advantage by letting them know how you plan to proceed. Attack and defense must be balanced; in some cases, it may be better to keep some cards longer than necessary if doing so keeps your opponents guessing about your strategy.