It was Bobby Fischer who had, single-handedly, made the world recognize that chess on its highest level was as competitive as football, as thrilling as a duel to the death, as esthetically satisfying as a fine work of art, as intellectually demanding as any form of human activity,” wrote Harold C. Schonberg, who reported on the Reykjavik match for The New York Times, in his 1973 book, “Grandmasters of Chess.