Its Football NOT Soccer! LEO ‘GRANIT’ KRAFT YOUNGEST WORLD CHAMPION IN CHESSBOXING HISTOR. The Indian National Chessboxing Championship were held in the AC Indoor Stadium in Kolkata from 13th until 15th of January 2013. Overall 180 fighter from 10 states came together and gave each other the honor. It was the state of Andhra Pradesh that won most medals; nine gold, three silver and five bronze medals. Chessboxing - The thinking person's contact sport.