An opponent may be attempting to complete a meld in a particular suit or rank if, for example, they routinely remove cards from the discard pile that belong to that suit or rank. You double diamond slotscan modify your own approach to counter their moves by identifying these patterns. Also, observing facial expressions and body language can reveal subtle hints about an opponent's level of confidence or uncertainty about their hand. An opponent may be having trouble forming melds if they pause before discarding a card or show signs of frustration with their draws.