Players should think about how their discarded cards might help their opponents in addition to their own needs when discarding. For example, it can be harmful torummy slots 51 bonus discard a card that could finish an opponent's meld. In order to learn important details about their strategies and possible melds, players should also keep an eye on the cards their opponents are selecting from the discard pile. It takes a combination of strategic thinking, foresight, and flexibility to win at rummy.