Do you like chess?
Do you want to be a chess pro, but worry that your progress has stalled and your rate has been stuck in the same place for too long? You know, it is not possible to become a chess pro without strong knowledge of Opening Theory. This is because Opening Theory is the first and the most impregnable fortress of the Chess Kingdom. There are thousands of books that have been written on chess openings. People often take those books, look at them for a while, and then put them back on the shelf. There are dozens of openings, with hundreds of variants in each. How could a human possibly manage all of this?