How many times has Chang Hao, the national player of Weiqi, won the world championship?

Go national player Chang Hao's ninth-stage championship record;

Won 1 and the 3rd National Chess Cup, 1 and the 2nd National Wonder Cup, the 5th World Youth Championship,12nd World Amateur Championship, and entered the 5th celebrity war circle. Won the challenge right in the second "Great Power Players" competition and the fifth place in the eighth "Top Ten Competition". Enter the semi-finals of the 6th Chess King, 1st Overlord and 6th CCTV Cup. Won 10 World Youth Championship "Super Youth Group" champion, 1993, 1994 national individual competition sixth and fourth place, 1995 national individual competition champion. Enter the 10 Tianyuan war rematch. Won the third "Newcomer King" championship. Won 1 1~ 15 "Tianyuan War" champion, the third "NEC Cup" champion, 10 and1China-Japan Tianyuan War, and entered the quarterfinals of the second World Go Open and 65438+. Won 1-5 Robust Cup, 1st Chess Saint Championship,1/Fujitsu Cup runner-up, 98th Gutian Cup semi-final invitational championship, 7th NEC Cup champion, China-Korea Tianyuan Championship, 4th Shi Ying Cup runner-up, 7th Samsung Cup runner-up and 1st Toyota Cup runner-up. In 2005, he won the fifth Shi Ying Cup.