What is the "flying knife" in chess?

"Flying knife" can be called "decisive move". For example, in what competition, a player shows a flying knife, which is a self-created move and is very dominant in this move, leading to victory and becoming the player's flying knife.

Upside-down gold hook: refers to the gold hook hanging jade, and the white horse showing its hoof. Make the opponent's corner defense point out of control, and the horse on the second line of the opponent can hang the general. Usually, the car general is used to distract the other sergeant and let the horse hang the horn, so it is also called "abandoning the car and hanging the jade".

Seven-Star Sword: It refers to the elephant car that came from No.3 Road and No.7 Road, because its chess path is very clear after the exchange of soldiers. So Xie Xiaxun, a hundred-year-old chess king, called him "Seven-Star Sword".

Flying knife: layout trap. If it is not handled properly, it will hit a person when he is down, or even play chess.