Liu Yiyong is not Qiu. Liu Yiyong and Qiu are two different people. Liu Yiyong is a chess player in China. He has won many prizes in domestic and international competitions, including the first-class champion of China Chess in 20 18. Representative achievements include men's individual gold medal and team silver medal in the 20 18 World Youth Team Championship. Qiu, on the other hand, is a Korean Go player. He is a master of nine stages and one of the most famous professional players. He participated in many domestic and international competitions and won many Go competitions.