In addition to gathering cards that fit into your own melds, this entails keeping track of what your opponents are discarding. For example, you might want to keep a card you know your opponent needs for a meld for a little while longer in order to throw off thrummy all 41 bonuseir plan if they discard it. Players must be careful about which cards they pick up and discard when playing defense. You can learn a lot about your opponents' possible melds by keeping an eye on the cards they are gathering. An opponent may be almost finished with a meld if you observe that they are continuously drawing cards from the discard pile. Instead of just throwing away any cards that don't fit your current hand, it might be advantageous in these situations to discard cards that could be helpful to them.