In Go, Jeongseok is very helpful in planning the paving stones when playing Go and how to move stones.
Therefore, it will be of great help to improve your stamina to experience many standard stones.
This application is a basic 206 basic standard for beginners who have just started Go.
You can study for regularity regardless of time and place.
Also, it is a great help to improve your stamina by putting it on the checkerboard and learning it with your eyes.