In 72 moves of a center counter defense, Quizon pounced on his Indonesian opponent to win a whole point and move into first place alongside fellow countryman IM Paulo Bersamina with 6.5 points.
With a 41-move victory over fellow countryman IM Rolando Nolte, Bersamina significantly improved.
The victory gave Quizon and Bersamina a half-point advantage over Megaranto, who is still leading by six points. If the 19-year-old Quizon wins this tournament and defeats Nolte in the decisive game, he will have achieved the second of the three results necessary to become a full-fledged GM.
Grandmaster John Paul Gomez of the Philippines drew with Grandmaster Nguyen Van Huy of Vietnam after 24 moves of the English Opening to tie for fourth place with IM Mohamad Ervan of Indonesia, who also agreed to a draw after 29 moves of the Ruy Lopez Opening against IM Li Tian Yeoh of Malaysia.
In this competition, which was run by IM Roderick Nava of the Kamatyas Chess Club and sponsored by AQ Prime Proprietor/President Atty, Gomez and Ervan both had 5.5 points after round 10.
After 30 moves of a Scandinavian defensive, Grandmaster Darwin Laylo and CM Khuong Duy Dau of Vietnam split the points. Yeoh and IM Yoseph Theolifus Taher of Indonesia, who defeated FM Prin Laohawirapap of Thailand after 51 moves of a French defense, moved up to the sixth and eighth place, respectively.
Van Huy (4.5 points), Dau (4.0 points), Nolte (3.5 points), and Laohawirapap are next with 5.0 points each, followed by Laylo, Yeoh, and Taher.(Romeo Braceros Jr.)