Another Big Event take place in Korat. The 10th TRUE AMath King's Trophy 2015 take place at MCC Hall The Mall Nakhonratchasima on September 4-6, 2015. Organised by the Thailand Crossword Game A-Math Kumkom and Sudoku Association. Around 5,000 students from schools all over the country join the competition. The winner will receive a trophy from HM the King, a cash prize and True Smart Phone 4G.