The difference between going for a win and holding back can be crucial in deciding how a game turns out. It could make sense to hold off on declaring your hand until you have furtgoogle rummyher cemented your advantage if you have a strong hand but observe that your opponents are almost finished with theirs as well. Calchar's Bluffing Power. Another sophisticated tip is to use bluffing as a component of your Calchar strategy. Although the main focus of Rummy is skill and strategy, adding elements of deceit can confuse opponents' calculations.