Chennai GMs: Keymer still perfect, beats Karthikeyan

Four decisive games in round three of the Masters section at the Quantbox Chennai Grand Masters saw Vincent Keymer keep his perfect score by defeating Karthikeyan Murali, while Arjun Erigaisi, Vidit Gujrathi, and Awonder Liang also won with the white pieces. Keymer leads on 3/3, with Arjun half a point behind. In the Challengers, Abhimanyu Puranik and M Pranesh both scored to remain joint leaders on 2½ points, ahead of Leon Luke Mendonca and Diptayan Ghosh. | Photos: Anmol Bhargav