Feng shooting for finer finish at Mission Hills

China's Feng Shanshan is hitting her stride and Michelle Wie of the US is healthy going into the first women's major of the year, the ANA Inspiration starting in California on Thursday.

Storylines abound at Mission Hills in Rancho Mirage, including the continuing rise of South Korea's talented contingent and a possible overdue major challenge by super-talented Jessica Korda.

Feng assumed the world No 1 ranking in November, becoming the first player from the Chinese mainland to occupy top spot.