In addition to planning their own gameplay, players must monitor the moves of their rivals. Since choosing which cards to keep and which to discard can have a big impact on a player's chances of winning, the game encourages criticrummy mate 51 bonusal thinking. A further layer of strategy is added to the game by the scoring system, which frequently penalizes unmelded cards at the end of a round. It takes both a strong sense of strategy and an awareness of the rules to become an expert at rummy. A good strategy is to keep a close eye on the cards your opponents are discarding. This can give you important information about their hands and assist you in deciding which cards to keep & which to discard.