The CSK Cup is a Go competition.
The venue for the tournament is played in Okinawa, Japan every year.
The tournament is in team format, where four countries pick five players to compete against five players from the other countries.
The countries that compete are: The winners prize is 20 million Yen ($171,000) and is split up between team members so everyone receives 4 million Yen ($43,000).
Second place prize is 10 million Yen ($86,000), third place receives 6 million Yen ($51,000) and fourth place receives 4 million Yen ($34,000).