An essential Rummy skill that can greatly improve a player's strategic approach is card counting. Understanding which cards have been played can give important information about the remaining cards in cash rummy gamethe deck, even though it might not be as simple as in games like blackjack where certain cards have defined values. Players can improve their gameplay by monitoring which cards their opponents have melded or discarded. A player may change their approach to concentrate on creating lower-value melds or sequences, for example, if they observe that multiple high-value cards have already been discarded.