This is the book Bobby Fischer studied in preparing to play his epic match for the World Chess Championship against Boris Spassky. In order to complete the record of these games, the scores of the Fischer-Spassky Match are included in an appendix in the back of this book. The New York Times reported: "FERNDALE, N.Y. March 31 – Nearly always, when he is seen, he is carrying or reading what is jokingly called “the big red book” to distinguish it from “Quotations From Chairman Mao”, which is the little red book.
Tthe big book contains the chess games of Boris Spassky, the Russian, who is the world chess champion, and for Bobby Fischer it is every bit as important as the sparring partners boxing champions drag up to this 1,000-acre resort when they are in training." . . . "Training for the 6-foot 2-inch, 29-year old challenger consists of studying the Spassky Red Book, which he takes with him to the Grossinger dining room. He normally eats alone at a table while studying the book or playing with a chess set. "Several times a week, at about 11 PM, he takes the red book and walks into the town to eat at the Triangle Lodge, a bar and grill. There he usually orders Chinese or Italian food and a glass of milk or a glass of beer. The waitresses dislike him because, they say, he takes up two tables while eating."