Meanwhile, Kim So Yeon gave Jeon-Nam Technology University a double celebrations when she won the Women's Grade A Masters title with 1680. Jung Ji Yun of KMCU, Korea set the early pace with 230 to lead Singapore's Amelynn Sim by 16 pins.
But Kim lost the lead after a poor 167 in her second game. Kim added 208 to her 202 opener to take over the running as Jung slipped eight pins behind her compatriot. Last week's Storm U22 Junior All-Stars Girl's Graded champion, Hong Hee Jin fired a superb 231 to become the new leader.
Kim trailed in second while a third Jeon-Nam student, Lee Soo Ji moved into third spot. Kim responded galantly with 234 to regain the lead after Hong stumbled to a lowly 159 in the fourth game.
The leader downed 213 and 215 and then suffered a poor 163 in the seventh game but was able to remain in the lead. Jung recovered with 233, 222 and 196 to move back up to second while Hong also recovered to trail in third.