If you observe, for instance, that an opponent is routinely selecting particular kinds of cards from the discard pile, you can deduce that they are probably attempting to form particular combinations & modify youchili slots masterr own strategy accordingly. Finding the Used and Available Cards. In addition, keeping an eye on your opponents can help you determine which cards to pick up & which to discard because it can reveal which cards have already been used and which are still available. Recognizing Patterns and Tendencies in Opponents. Recognizing the habits and styles of your opponents during gameplay is another crucial part of studying them.