John NunnDR JOHN NUNN is one of the best-respected figures in world chess. He was among the world's leading grandmasters for nearly twenty years and won four gold medals at chess Olympiads. In 2004, 2007 and 2010, Nunn was crowned World Chess Solving Champion ahead of many former champions. In 2011, his two-volume work Nunn's Chess Endings won the English Chess Federation Book of the Year Award. Read More Read Less