Gennadi Sosonko's intimate personal knowledge of the Soviet Union's greatest grandmasters is unrivaled — and he was a useful player himself

London's forthcoming Candidates tournament features the world's best, including the highest-ranked player in history, Magnus Carlsen

Canada's Frank Marshall didn't succeed in conquering the world of chess, but his aggressive tactics were universally feared

While not all artists are chess players, all chess players are artists. So said Marcel Duchamp, a mean player himself