You can make better decisions about which cards to discard yourself by monitoring what cards they are gathering and avoiding those that might help them finish their runs or sets. Gaining insight into your opponenfree dice slotsts' mentalities can also help you win games. Players frequently show trends in the way they make decisions; some may pursue melds aggressively, while others may adopt a more cautious strategy. You can adjust your approach by being aware of these trends. It could be a good idea to play defensively by holding onto low-point cards that could otherwise help an aggressive player who frequently goes for high-value melds win.
