The round ends when one player successfully melds all of their cards, during which time the game continues. Unmelded cards in a player's hand at the end of a round are typically coteen patti appunted against them, though scoring can vary depending on the particular rules being followed. Players must strike a balance between trying to meld their cards and monitoring the progress of their opponents, which adds another level of strategy to the game. Forming sets and runs is a skill that players must first master in order to become proficient in Rummy.