Veteran K. Sasikiran upstaged fancied Russian Vladimir Fedoseev and caught up with an unbeaten Nihal Sarin in the second score-group at 3.5 points after five rounds of $425 FIDE Grand Swiss chess tournament in Riga, Latvia, on Sunday. READ| In the women’s section, D. Harika drew with the 2015 World championship finalist Natalija Pogonina to reach 3.5 points. Harika is …