: It trains the eye to recognize when a king is trapped and how to exploit common blunders.

: Fischer learned the game at age 6 and became a Grandmaster at 15 with an estimated IQ between 150–187.

The book uses a structured, question-and-answer format that allows you to check your understanding at every step [26].

A used copy of Bobby Fischer Teaches Chess costs roughly $5 to $10 on eBay or Amazon. It is cheaper than a coffee. The tactile experience of flipping pages to check your answer is the entire point of the programmed method.