International Master norm-holder Abhishek Das caused a major upset by defeating sixth-seeded GM Ildar Khairullin of Russia in the third round of the Junior World chess championship here. Meanwhile, G N Gopal, held top seed Wang Hao of China.

Important results (Round 3, Indians unless specified): Boys: G N Gopal (2.5) drew Wang Hao (Chn, 2.5); Evgeny Romanov (Rus, 2) lt to Maxim Rodshtein (Isr, 3); Gawain Jones (Eng, 2.5) drew Sasha Kaplan (Isr, 2.5); Parimarjan Negi (2.5) drew Arman Pashikian (Arm, 2.5); So Wesley (Phi, 3) bt Tigran Mamikonian (Arm, 3); G Rohit (2) lt to David Howell (Eng, 3); Daniel Stellwagen (Ned, 2.5) bt Ashwin Jayaram (1.5); Abhishek Das (2) bt Ildar Khairullin (Rus, 1); Deepan Chakkravarthy (2) bt Amin Nasri (Iri, 1); Maxat Alaguzov (Kaz, 2) bt Abhijeet Gupta (1); R Arun Karthik (1) lt to Nino Vlashki (Bul, 2).

Girls: Tatev Abrahamyan (US, 2) lt to Vera Nebolsina (Rus, 3); Eesha Karavade (3) bt Padmini Rout (2); Bela Khotenashvili (Geo, 3) bt Anna Hairapetian (Arm, 2); Soumya Swaminathan (2) lt to Sopiko Guramishvili (Geo, 3); Sarah Hoolt (Ger, 3) bt Mary Ann Gomes (2); Mongontuul Bathuyag (Mgl, 2.5) bt Gulmira Dauletova (Kaz, 1.5); Melia Salome (Geo, 1.5) lt to Tatevik Airapetian (Arm, 2.5);  Bolon Karelle (Fra, 1.5) lt to Vega Gutierrez Sabrina (Esp, 2.5); D Harika (2) bt Anahit Kharatyan (Arm, 1); P Priya (2) bt Arusyak Karhanyan (Arm, 1).