India emerged as the sole leader in the women’s section after the tenth round of the 44th Chess Olympiad in Mamallapuram, Tamil Nadu on Monday.Koneru Humpy, Tania Sachdev and Bhakti Kulkarni notched up wins as India A pulled off a convincing 3.5-0.5 win against Kazakhstan.Top-seed India A were delivered a winning start in the penultimate round by Koneru Humpy. The experienced campaigner Humpy outwitted Zhansaya Abdumalik.R Vaishali had to share a point against Bibisara Assaubayeva which was the only positive result for Kazakhstan on Monday.In-form Tania Sachdev and Bhakti Kulkarni tilted the result of the match in India’s favor after getting a win over Zeniya Balabayeva and Guliskhan Nakhbayeva in their respective games.With just one more round remaining, India A have grabbed the leading spot with 17 points. Poland, Georgia, Azerbaijan and Ukraine jointly hold second position with 16 points each. View this post on Instagram Instagram PostIndia B and India C also registered identical 3-1 wins in their respective tenth round matches.While India B downed The Netherlands with Padmini Rout, Mary Ann Gomes and Divya Deshmukh scoring victories, India C trounced Sweden. PV Nandhidhaa and Pratyusha Bodda scored victories for India C whereas Eesha Karavade and M Varshini Sahiti settled for draws.In other women’s section matches, Georgia held Poland to a 2-2 draw while Ukraine beat Germany with a 2.5-1.5 score. Azerbaijan blanked Armenia 4-0 in the most one-sided match on the top board. View this post on Instagram Instagram PostIndia A men's team beat Iran in open sectionMeanwhile, in the open section, India A carved out a 2.5-1.5 win against Iran. Vidit Gujrathi and SL Narayanan posted victories for India while Arjun Erigaisi drew his encounter. Pentala Harikrishna ended up on the losing side.The other two Indian teams in the open section, India B and India C, settled for a 2-2 draw against Uzbekistan and Slovakia, respectively. View this post on Instagram Instagram PostGukesh suffers first defeat of the tournamentD. Gukesh, who had been going great guns with a sensational 8.5/9, suffered his first defeat of the event when he lost to Nodirbek Abdusattorov in an intense game.Armenia registered a fabulous 3-1 victory against Azerbaijan. The USA, having a comparatively easy draw, thrashed Turkey 3-1 while Serbia drew against the Netherlands 2-2.Armenia and Uzbekistan have emerged as joint leaders in the open section with 17 points each. Hosts India A, India B and USA are in second place with 16 points each.The host teams need to pull off dominating wins in the final round to emerge on top. View this post on Instagram Instagram PostChess Olympiad ResultsOpenIndia A beat Iran 2.5-1.5GM Maghsoodloo beat GM HarikrishnaGM Vidit Gujarathi beat GM TabatabaeiGM Idani drew with GM Arjun ErigaisiGM Narayanan beat IM DaneshvarIndia B drew with Uzbekistan 2-2GM D Gukesh lost to GM AbdusattorovGM Yakubboev drew with GM SarinGM Pragnanandhaa beat GM SindarovGM Vakhidov drew with GM AdhibanIndia C drew with Slovakia 2-2GM Ganguly drew with GM PechacIM Gazik beat GM SethuramanGM Karthikeyan drew with IM DruskaGM Repka lost to GM Puranik. View this post on Instagram Instagram PostWomenIndia A beat Kazakhstan 3.5-0.5GM Koneru Humpy beat GM AbdumalikIM Assaubayeva drew with IM VaishaliIM Tania Sachdev beat WIM BalabayevaIM Nakhbayeva lost to IM Bhakti KulkarniIndia B beat Netherlands 3-1GM Peng beat WGM VantikaIM Padmini beat FM Van ForeestWIM Ratsma lost to WGM GomesWGM Divya beat IM LanchavaIndia C beat Sweden 3-1IM Karavade drew with GM CramlingWIM Agrest lost to WGM NandhidhaaWIM Sahithi drew with WFM Cramling Bellon,WIM Johansson lost to WGM Pratyusha.