조혜연 [趙惠連] (b. 7 June 1985) Korean female pro, turned pro at the age of 11 years and 11 months. Her name is also spelled Jo Hyeoiyeon.
Promotion History:
On Nov.11 2003, she beat Rui Naiwei 9p by 2:0 in the Korean Female Kuksu final, thus became the first female player ever to beat Rui in a series match. She's only 18 now and still growing in strength, so who knows if she'll become the next Rui someday?
31 January 2004. She defeated Rui Naiwei 2-0 for the 5th Women's Myeongin.