After an attack, one side will surround the other side, leaving the other side only angry and false eyes.
At this time, according to the current rules, the other party can't be taken seriously. If the next son is self-promoting, let's take the image of the cow eating too much and inflating himself to death.
And the opponent can move chess with one hand (in the self-lifting position) after lifting the rear wheel.
As shown in the figure below:
Turn left | turn right
At this time, I can't go to A for nothing, so I have to accept foreign flavor, while Black eats and lives in A..
Another example is the picture below.
Turn left | turn right
Gone for nothing, 1. You can't stick black either. If you stick to yourself, you have to collect gas outside and live in a false eye for nothing.
Please note that the above two pictures are just examples, which are more complicated in actual combat, but the reason is the same. The above answer comes from Baidu.
In fact, if you want to see pictures and get simple knowledge in this field, you can use Baidu Encyclopedia.