Top seed Nihal Sarin (6.5 points) took the sole lead at the end of the seventh round of the National under-11 chess championship at Puducherry on Friday.
Important results (seventh round): Boys: Nihal Sarin 6.5 bt R. Rithvik Raja 5.5; Mahitosh Dey 5.5 d/w Mohan Kushagra 6; R. Pragnananda 5.5 d/w Aryan Polakhare 5.5; Manish Anto 5 lost to Sambit Panda 6; Dhanush Bharadwaj 5.5 bt M.C.J. Chandrahas 4.5; Raunak Sadhwani 5.5 bt Prithu Gupta 4.5; Arya Bhakta 5 d/w Karthik Pradeep Kumar 5; S. Abhineesh 5 d/w B.S. Ashwin Kumar 5; Aditya Mittal 5.5 d/w Ridit Nimdiya 4.5; M. Shreeshwan 5.5 bt S. Rohith Krishna 4.5.
Girls: L. Jyothsna 6 d/w Mrudul Dehankar 6.5; Narayani Adane 5 lost to Nityata Jain 6; Eesha Sarda 5 d/w Divya Deshmukh 5.5; Rakshita Ravi 5.5 bt Alaina Periera 5; Dhanya Patel 5 d/w Mehendi Sil 5; M.K. Poorna Sri 4 lost to Bristy Mukherjee 5; V. Rindhiya 5 bt Ananya Gupta 4; Bhagyashree Patil 5 bt Abhirami Madabushi 4; Prachiti Chandratreya 4.5 d/w Tanvi Hadkonkar 4.5; Ankita Sahoo 5 bt Adity Mohanty 4.