I am the only person in the world able to play and finish a blind-go on 19x19. (Applying for Guinness World Records)
I am Chinese 6d from Beijing. I graduated from Tsinghua University, and I was the first board of the university's Go team.
I was the organizer and head coach of the 2004 and 2005 Go to China Trip.
I have been to Sweden, 2004 Goteborg Open, gave the seminar and played a blind game against Matthew Macfadyen (English 6d).
GoGoD's New In Go has an article concerning blindfolded go, with a great deal of attention to Bao: http://www.gogod.co.uk/NewInGo/Blindfold_1.htm
In 2006, Bao Yun won the Paris Open Tournament with the perfect score (6-0): http://tournoi-de-paris.jeudego.org/palmares/
On 19th December 2015, Bao Yun won 5 simultaneous blindfolded go games. The record has been registered by the Guiness Book of Record: http://sports.sina.com.cn/go/2015-12-20/doc-ifxmszek7375835.shtml
On 6th August 2016, Bao Yun won the Masters US Open at the US Go Congress 2016 with a perfect score: 9 wins, 0 loses. Among his opponents there were two AGA 1 dan pros, two Chinese 1 dan pros and 1 Japanese 1 dan pro: http://live.gocongress.org/?page_id=91
Apart from playing Go, Bao Yun also like all kind of blindfolded challenge. One of his strongest achievement was performed on 9th January 2015 when he succeeded with the perfect score at a TV game called 最强大脑 ("the strongest brain") where he escaped from the center of a hexagonal maze blindfolded and found 4 items distributed in the maze: https://www.youtube.com/watch?v=d_LXwGg42Uw http://g.shangc.net/m/42252-1.html