To simply save the data on the flow of the game of go in the form of a photo, whereby a record of a game of go is presented to a more excellent person to receive suitable direction, and the opportunity to improve the capability of playing the game of go according to the level is increased to save the details of improvement in capability as a record.

A prerequisite for a go game set is to store a designated number of black pieces and white pieces therein. Odd numbers are put on the surface of the black pieces, and even numbers are put on the surface of the white pieces. In this case, the odd numbers of the black pieces are numbers ranging from 1 to 99, and the even numbers of the surface of the white pieces are numbers ranging from 2 to 100.