Indian Grandmaster Arjun Erigaisi edged out fellow teenager Christopher Yoo in the quarterfinals to reach the last four round of the Julius Baer Generation Cup online rapid chess tournament on Friday.

The 19-year-old Erigaisi and 15-year-old Yoo were locked 2-2 after the four rapid games. In the blitz tie-break, Erigiasi won the first to seize the advantage and drew the second to progress to the semifinals.