The knockout format of the 2017 Chess World Cup, currently taking place in Tbilisi, Georgia, was always going to be unforgiving, but the list of big names out in the first 3 rounds is staggering… Carlsen, Kramnik, Nakamura, Hou Yifan, Karjakin, Radjabov, Michael Adams, Vishy Anand, Boris Gelfand and Wei Yi are all heading home...