Evaluating your opponents' hand is just as crucial as evaluating your own. You might want to keep those cards longer than usual if you see that a player is throwing away cards that corummy nabob 777uld help you finish a run or set. It might be time to discard cards early on, on the other hand, if you have any that are unlikely to form melds. Identifying your hand's advantages and predicting your opponents' moves are both important components of creating an opening hand strategy. You can put yourself in a favorable position as the game goes on by doing this.
