Imprisoned in solitary confinement by Nazis, a stolen book of chess games becomes the prisoner’s only way to cling to sanity. Fighting madness, he survives by dividing his mind into two feuding chess masters. After his escape, he dares himself to walk the edge of a volcano of madness as he challenges the greatest chess player in the world to a match. Richard McElvain‘s reimagining of Stefan Zweig’s classic was one of the best reviewed shows at last summer’s Edinburgh Fringe.