Australian WIM (2011).
<Age> She played in the World Girls U12 Championship held in Turkey in November 2007, scoring 5/11. Late in 2008, Guo contested the World Girls U16 Championship scoring 4.5/11, including her first win against a titled player, WFM Nu Hong An Ton. In November 2009, she played in the World Girls U14 Championship in Turkey, scoring 6/11. In December 2009, she competed in the Commonwealth Age Group Championships 2009 - Open U20/U16, scoring 6/9. She played in the World U18 Girls Championship in 2013 where she scored 6.5/11.
<Junior> In January 2008, she scored 6.5/11 at the Australian Junior Championship. The following year, 14 year old Guo contested the World Girls Junior Championship in Argentina and scored 6/13, adding 41 points to her rating. She re-entered that event the following year, scoring a rating-neutral 5.5/13. In 2011, her 5.5/13 lost her nearly 31 rating points.
<Regional> Guo first appeared in FIDE despatches when she competed in the 2006 ACT Championship, scoring 4/9, including a win against 1995 rated second-placed Ian Rout.
<National> She first played in the Australian Championship in 2006-2007.
<World> In 2009, she scored 5/9 at the Oceania Zonal, placing equal fifth. Guo came equal first with IM Irina Berezina in the 2011 Women's Zonal, thereby earning her WIM title. She won the 2015 Oceania Zonal and thereby qualified for the Women's World Championship tournament to be held in 2016 or 2017.
Guo scored a strong 4.5/9 at the 2009 Queenstown Chess Classic, the result adding 50 points to her Elo rating. A few months later she added another 69 points to her rating with good results at the Doeberl Cup, the Sydney International Open and at the NSW Open. In 2011 her 4.5/9 at the Doeberl Premier adding 21 points to her ratings, followed a few months later by an even stronger 5/9 at the Sydney International which added 34 points. The end of 2012 and early 2013 saw some good results in Switzerland at the 36th Zurich Weihnachtsopen Master and at the Hilton Schachfestival 2013 Masters which added 84 rating points. She played in the Casino Open in 2014, her 4.5/9 adding 25 rating points and included a win against WIM Ligia-Letitia Jicman.
Guo first represented Australia in the U16 Olympiad of 2007 when she played board 2 for Australia 2. She also represented Australia at the Women's Olympiads in 2010, 2012 and 2014.
Wikipedia article: Emma Guo