World junior champion P Harikrishna’s top form continued as he outmanoeuvred Grandmaster Zhang Zhong of China in the fourth round of Sanjin Hotel Cup Grandmasters’ Chess tournament now underway here.With his fourth win on the trot, Harikrishna continued to lead the tables on four points and still following him a half point behind is Grandmaster Tigran Petrosian of Armenia who scored his third victory in the event, accounting for English GM Luke McShane. Alexander Motylev and Chinese duo of Wang Yue and Bu Xiangzhi are next in line on 2.5 points apiece but holding the edge here is the Russian as he still has an extra game in hand against Ni Hua that will be played on the rest day.With seven rounds still remaining in the category 15 round robin event Wang Hao of China stands sixth on two points where he is trailed by McShane and Sergey Karjakin.
