Every kind of competitive game, once it involves interests, will be thoroughly studied by mathematics and exposed to the world.
Mahjong is no exception. The war on this square table determines the money and honor of professional mahjong players, as well as the profits of the investors behind them.
In this turbulent industry, there are some newcomers who have good luck that follows them. They often rely on intuition and chance to take the initiative, and regard victory as picking up something. There are also some seasoned spies who rely on experience and calculations, like a mantis stalking a cicada, to fend off the enemy with a cold gun that kills with one hit.
Therefore, in a war like this, the most important thing is for someone to see through your thoughts. The most taboo thing is to form a fixed pattern and style.
There will be some people who prefer to "follow their feelings".