|Full name||Xu Yuanyuan|
|Born||March 8, 1981|
|Title||Woman Grandmaster (WGM)|
|FIDE rating||2322 (April 2009)|
|Peak rating||2437 (January 2001)|
In 1995 Xu won the World U14 Girls Chess Championship held in São Lourenço, Minas Gerais, Brazil. In October 1997 she won the World U16 Girls Chess Championship in Yerevan, and in 2000, also in Yerevan, she won the World Junior Girls U-20 Championship by a large margin – she began with seven consecutive wins and finished with a score of 11/13.
In July 11–21, 2003, Xu won the China Women's National Chess Championship (FIDE Zone 3.3 qualifier) held in Yongchuan District, Chongqing, with a final score of 6.5/9. In November 2003, Xu won the Chinese Women's Individual Chess Championship in Shan Wei with a final score of 8.5/11. In April–May 2004, she came joint third in the Chinese Women's Team Chess Championship in Jinan City.
She used to be the No. 1 ranked girl chess player in the world on the January 2001 Top 20 Girls FIDE rating list. Her highest position on the Top 50 Women FIDE rating list was 25th (also in January 2001).
Xu Yuanyuan is an official representative of Aigo. "Aigo Chess" is a chess variant created in 2004 by the president of the company. The idea consisted of introducing a piece from Chinese chess called "cannon" into the chess game.
- Rating data for player Xu, Yuanyuan, (CHN) Archived August 7, 2007, at the Wayback Machine.
- "世界青年冠军徐媛媛与清华学子交流"国象精神"" [World Youth Champion Xu Yuanyuan shares "chess spirit" with Tsinghua students] (in Chinese). Xinhua News Agency. 2006-09-30. Retrieved 2016-11-20. Some sources on this event misspell her name as Xu Xuun Yuan.
- Look Up (Finger) Player ChinaWomen2003
- THE WEEK IN CHESS 455 28 July 2003 by Mark Crowther
- FIDE Period: October 2003 Archived June 2, 2004, at the Wayback Machine. Xu, Yuanyuan
- FIDE Period: January 2004 Archived January 2, 2005, at the Wayback Machine. Xu, Yuanyuan
- FIDE Period: July 2004 Archived May 12, 2005, at the Wayback Machine. Xu, Yuanyuan
- FIDE Archive: Top 20 Girls January 2001 Archived October 6, 2007, at the Wayback Machine.
- FIDE World Top Chess Player: Xu Yuanyuan Archived April 6, 2007, at the Wayback Machine.
- AIGO chess
- Almira Skripchenko – cannons on the chessboard
- Xu, Yuanyuan rating card at FIDE
- FIDE Rating World Top Lists for Xu Yuanyuan
- Xu, Yuanyuan player profile and games at Chessgames.com
- Chessmetrics Career ratings for: Xu Yuanyuan
| Women's Chinese Chess Champion