Dutch grand master Sergey Tiviakov will coach the Bangladesh national chess team which will participate in the open section of the forthcoming 41st World Chess Olympiad will be held in Tromso in Norway.The coaching programme will be held in June and four grand masters Abdullah Al Rakib, Ziaur Rahman, Enamul Hossain and Niaz Murshed and IM Minhazuddin Ahmed Sagar will receive coaching from the Dutch coach Tiviakov.