The Ukrainian defeated country-mate GM Vitaliy Bernadskiy in a winner-takes-all game as the first and the third board games ended in draws.
Tukhaev finished clear first by scoring 7.5/9. He bagged Rs 3 lakhs for winning the tournament, a media release issued here said.
Seven players tied for first place by scoring 7.0/9. On the top table, 18-year-old Indian hope GM Diptayan Ghosh settled for a relatively quick draw with the white pieces against IM Rahul Sangma, it said.
The biggest surprise of the tournament was untitled Sidhant Mohapatra of Odisha.
More From This Section
Sidhant, rated only 2267, scored his second International Master norm and defeated GM Andrei Deviatkin in the final game after the latter blundered an exchange.
Srija was the most successful female player in the tournament. Debarshi Mukherjee of West Bengal scored an International Norm as well. Vantika Agarwal, a talented Delhi girl, scored a Women's International Master norm.
In the top table encounter between these two, Manish had a clearly better position with the white pieces but he blundered allowing Pranav to find a saving combination and draw the game.
Had Manish won, he would have become the champion outright. But this draw meant that Pranav V was the clear winner with 8.0/9, winning the first prize of Rs 1.50 lakh while Manish tied with four others at 7.5/9.
Bangladeshi Mohd. Fahad Rahman was fourth and Manish had to settle for the fifth place, it added.