chengdu leg spolier:http://cdlacoltax.chengdu.gov.cn/news/detail.jsp?id=326583
It said chengdu leg was 9th leg.So I think we miss 8th leg.
tengchong leg spolier:http://special.yunnan.cn/2008page/picture/html/2010-05/27/content_1197330.htm
It said tengchong leg was 10th leg.And 5 teams came to tengchong.We can see Rachel and Charile in final 5.It also said 5 male and 5 female arrive in tengchong,we already know Naresh
and Deepak,Rick and Josh,Charile in final 5.So there must be another feamle-female team in final 5.