Vincent Keymer took the sole lead in the Quantbox Chennai Grand Masters after defeating Pranav Venkatesh in round two, his second win in as many days. Ray Robson also scored, beating Vidit Gujrathi, while the remaining games were drawn. In the Challengers, Abhimanyu Puranik and P Iniyan joined M Pranesh and Diptayan Ghosh in the lead, as both claimed victories to reach 1½ points after two rounds. | Photos: Anmol Bhargav

