For example, it could be a sign that an opponent is concentrating on particular melds or strategies if they routinely pick up some card types while discarding others. Also, making move predictions based on past rounds can rerummy openveal important information about an opponent's patterns. Holding onto high-value cards until the end of the game could indicate that a player is waiting for a chance to meld them rather than taking a chance early on. By seeing these trends, you can modify your own approach to either take advantage of their weaknesses or prevent their possible melds. Also, having good conversations with other players can help you better comprehend their tactics.