The primary source is the book mentioned in the post: https://www.amazon.com/Think-Like-Super-GM-Michael-Adams/dp/1784831670 https://www.amazon.com/Think-Like-S

The primary source is the book mentioned in the post: https://www.amazon.com/Think-Like-Super-GM-Michael-Adams/dp/1784831670 https://www.amazon.com/Think-Like-Super-GM-Michael-Adams/dp/... You’re right that GMs are much faster ideating, I point this out later in the essay. But they also spend longer on falsification, even in absolute terms.