It's also critical to keep an eye on the cards your opponent is discarding, as this can provide you with important information about their hand & guide your own strategic play. Ksavera kingnowing when to knock is another crucial component of a Gin Rummy strategy. It is important to evaluate your hand to see if you have enough good combinations to lay down and reduce the amount of points you have. But it's also critical to consider the possibility that if your opponent scores lower than you, you could be discovered with a high point total.