1974 A children's Go competition was held in Tiantai, Zhejiang Province, and Ma participated as the champion of Shaoxing children's group. 10 years old, he broke into this competition. In this competition, he defeated his opponent Chen with a one-by-one snatch reversal and won the third place in the children's group. In the same year, he represented Zhejiang Province in the children's group competition of the national Go team competition held in Chengdu, and played the third game. Won 12 sets, so Zhejiang children's team ranked third after Shanghai and Sichuan. Shortly after the game, Ma was selected to the provincial Go training team. Ma Xiaochun is very popular with coach Jiang Guozhen and captain Chen Zhongshui in the provincial team. During his stay in Hangzhou, Xiao Chun also received the care and guidance of many Weiqi predecessors, especially Zhang Yisen, Zhu Yuanmang and Sun Yizhang, Zhejiang Weiqi predecessors known as the "Three Musketeers of Qiantang". Jiang Guozhen is the great disciple and proud pupil of the Three Musketeers. At that time, the horse was the youngest in the team and small. Chen, Zhu Jufei, Jin Xiqian and others on the same team are his big brothers and sisters, but they are not as clever as him.