JOHANNESBURG, Dec 12 (Reuters) - Spanish golfer Eugenio Chacarra took the outright lead in the Alfred Dunhill Championship, shooting a second-round 66 on Friday for a 15-under-par total of 129.

He has a two-stroke advantage over South African 24-year-old Jayden Schaper, who shot eight birdies in a blemish-free round of 64 and enjoyed the early clubhouse lead.