Analyzing the Moves of the Opponent. Keeping a close eye on opponents can help you identify their weaknesses so that you can take advantage of them. For example, it mighsattakinat reveal an opponent's strategy or what they are attempting to avoid if they routinely discard particular suits or ranks. Players can modify their own strategies by identifying these patterns and discarding cards that are less likely to help them or holding onto cards that could interfere with their opponent's plans. Leveraging Errors.