You need to observe what other players are doing and exhibiting.

You need to be alert as to what tiles the other player has thrown and quickly act on it.

You need to keep taps on what the various tiles the players have discared.

You need to how you are going to beat the other player and win the game

You must be able to change your strategy as the game changes. A fix mindset is going to work againist you.

You need to understand the risks, your risk appetite and make the right call as the game progresses.

You need to have the heart of a lion and be courageous when the situation calls for it

At each point of the game, you need to make a decision whether to pick the next tile, pong, play a long game etc.

It is important to main cool and calm under duress. Being able to handle stress is crucial.

Being able to count is important to understand your position and winnings.