Here are several chess softwares for you to choose from:
1. Chess Wizard (up to nine players, two scholars, two elephants and five soldiers are allowed)
2. Chess between Chu and Han (9 people allowed)
3. Chess (let your children compete with people with the lowest computer level of 24) ————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
The following is the Go software:
1. Chess Soul (can be 9 children, simple and convenient)
2. Sina Go (you can play with low-level people)
3. sijia weiqi (for multiple players)
I hope you are satisfied.