KOCHI: Southern Railway’s top-seeded K. Ratnakaran defeated Tamil Nadu’s second-seeded R.R. Laxman and moved into the sole lead after the sixth round of the Sunny Diamonds-RSC all-India FIDE-rated chess tournament at the Regional Sports Centre here on Friday.

Tamil Nadu’s Vinoth Kumar upset P. Shyam Nikhil in another sixth-round clash.

The results: Sixth round: R.R. Laxman (TN, 5) lost to K. Ratnakaran (S. Rly, 6); R. Balasubramanian (ICF, 5.5) bt Tejas Ravichandran (TN, 4.5); C. Natarajan (ICF, 5) drew with T.J. Suresh Kumar (ICF, 5); B.S. Shivananda (Kar, 5) bt Prasanna Rao (Mah, 4); O.T. Anilkumar (Ker, 4) lost to P. Karthikeyan (TN, 5); K. Gunasekaran (ICF, 5) bt M.A. Joy Lazar (Ker, 4); Vinoth Kumar (TN, 5) bt P. Shyam Nikhil (TN, 4); A. Shankar (S. Rly, 5) bt M. Kunal (TN, 4); P. Saravana Krishnan (TN, 4.5) drew with S. Ganesh Babu (TN, 4.5); Gavi Siddayya (Karn, 4) lost to Syed Anwar Shazuli (ICF, 5); M.B. Muralidharan (Ker, 5) bt M.Manu (Ker, 4).

Fifth round: Ratnakaran bt M.B. Muralidharan, Prasanna Rao lost to Laxman, T.J. Suresh Kumar drew with Balasubramanian, Tejas Ravichandran drew with B.S. Shivananda, Shyam Nikhil drew with O.T. Anilkumar, N. Surendran lost to C. Natarajan, P. Karthikeyan bt G. Santhosh Kumar, N.T. Suresh Kumar lost to K. Gunasekharan, M. Vijay Anand lost to A. Shankar, K.R. Madhusoodanan lost to P. Saravana Krishnan. – Principal Correspondent

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