Third seed Pranav Vijay trapped the rook and then went for a deadly mating attack to defeat Shrutarshi Ray in the opening round of the Ramco National under-13 chess championship which commenced here on Saturday.
Top seed Aravindh Chithambaram of Madurai had an easy 50-move win over his Tamil Nadu teammate Eshan Balachandar.
Second seed Abhimanyu Puranik played the Benko gambit and executed a brilliant rook sacrifice on move 22 to down Hari Madhavan four moves later.
The results (first round):
Boys: Aravindh Chithambaram (TN) bt Eshan Balachandar (Mah), Hari Madhavan (TN) lost to Abhimanyu Puranik (Mah), Pranav Vijay (TN) bt Shrutarshi Ray (WB), P. Yutesh (TN) lost to Visakh Nr (TN), V. Pranavananda (AP) bt J.C. Karthik (AP).
Girls: R. Vaishali (TN) bt V. Aarthi (TN), K. Niveditha (TN) lost to Riya Savant (Goa), Rutuja Bakshi (Mah) bt M. Tejasvi (TN), Y. Swathi (AP) lost to Tejaswini Sagar (Mah).