National Under 11 & 13 Champion R Vaishali scored an exciting win over Grandmaster Ziaur Rahman, while 14-year-old Chennai lad B Kumaran overcame International Master K Rathnakaran in the Chennai Super Kings 5th International Grandmaster chess tournament 2013.Woman Grandmaster Padmini Rout upset fellow Grandmaster S P Sethuraman. Top seed Grandmaster Aleksandrov Aleksej of Belarus shared the lead with 4.0 points after the fourth round. Sharing the lead at 4.0 points with Aleksandrov were Grand Masters Deviatkin Andrei of Russia, Marat Dzhumaev of Uzbekistan, Lu Shanglei of China, Teske Henrik of Germany and International Master Prasanna Raghuram Rao of India among others. Top seed Aleksandrov showed superior middle-game play to out class Uzbek GM Kayumov Dmitry, while second seeded Deviatkin Andrei (Russia) handled International Master Shivananda's The third board game between GM Adhiban and IM Shyam Nikil ended in a 25 move draw.