Also, keeping track of the cards that other players have discarded will assist you in deciding which cards are safe to pick up and which are probably going to be helpful in creating winning combinations. Following the movements of your opposattaking resultsnents and attempting to predict their next moves is another crucial tactic in Rummy Calchar. You can learn a lot about their hand and modify your own strategy by keeping an eye on the cards they are discarding and picking up. Strategic Planning and Mindful Discarding. It's also important to pay attention to the cards you are discarding because you don't want to unintentionally give your opponents the advantage by giving them the cards they require to finish their sets & runs.