You can make better judgments about your own hand & what you might anticipate from your opponents by keeping track of high-value cards and knowing which ones are still in play. Players should crrummy. nobleeate a system for keeping track of both their own and other players' discards in order to count cards in rummy efficiently. This could be simply keeping track of what has been laid down during melding phases or mentally noting which cards have been taken from the discard pile. This will allow you to determine the probability of drawing particular cards & modify your plan accordingly.