The big news circulating in the international chess world is Fabiano Caruana’s riveting performances in the Sinquefield Cup, St Louis, USA. The 23-year-old grandmaster won his first seven games and clinched first place way before the tournament ended. Caruana’s victories included his round three rout of the world champion, Norway’s Magnus Carlsen; and his defeat of Levon Aronian of Armenia, who was ranked No 2 in the world before the tournament began; Veselin Topalov of Bulgaria, a previous world champion; Hikaru Nakamura, the US top player; and Maxime Vachier-Lagrave of France. All are among the world’s top nine players. According to the competitors’