Monnisha had clear advantage of half point over M Mahalakshmi to win the title after the end of final round. But as Karthikeyan and Diptayan finished with identical points (9), so it required tie break to find out champion.
Murali won the tie by whisker of 75-74. B Kumaran (8.5) became third and 3rd seed Arvindh Chithambaram (8) had to satisfy with fourth position.
In the girls section, Mahalakshmi (8.5) and Valvan Varshini (8) became second and third respectively.
As expected, final day of the National Sub Junior (U 15) Chess Championship for Boys & Girls, organized by Bengal Chess Association, saw some thrilling games to fortify the standard of the budding players' great height.
In the boys section, title fight was restricted among top seed Diptayan Ghosh and four Tamil boys- 2nd seed Murali Karthikeyan, 4th seed Vignesh Nr, 6th seed B Kumaran and 8th seed Pranav Vijay.
For the championship all were breathing over Diptayan's shoulder. Diptayan (9) kept cool his head to beat Vignesh (7.5) at the top board in 53 moves.
But his win was not enough to bring title as Karthikeyan (9) had the last laugh. In the final round Karthikeyan beat his state mate Pranav (7.5) in a more than four of tough battle of 68 moves.
In the girls section, championship was depending on top board where overnight leader GK Monnisha was fighting hard with her state mate R Vaishali, who won national U-12 girls title in the last month.
Top seed M Mahalakshmi (8.5) today had no trouble to win over Odisha representative 10th seed Smaraki Mohanty (7). But her win put Monnisha in tremendous pressure.
However, Monnisha (9), who recently qualified for the forthcoming Women's Premier Championship (former National Women A) overcame stiff challenge from state mate Vaishali (7.5) in 55 moves and won the coveted title.
Bengal's WFM Arpita Mukherjee (7) became 14th.
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