I got the best stuff ever for you: In depth chess videos. I once had bought a chess game (not sure if it was the chess master series) and it contained a whole b

I got the best stuff ever for you: In depth chess videos. I once had bought a chess game (not sure if it was the chess master series) and it contained a whole bunch of annotated games by a GM. It was interesting but also tired my brain so quickly, that it was the best sleep tool ever.