Maintaining momentum throughout the game requires the ability to modify and build upon your melds. Maintaining Composure in Rummy Under Pressure. Moments of high stakes andvet hrmsd decisions under pressure can make rummy a very intense game. Remaining composed under duress is essential for sustaining concentration and making wise decisions while playing games. Emotions can easily take over and impair judgment in difficult situations, such as when an opponent is about to go out or when an undesirable card is drawn.