The post that was quoted here has been removed
I've seen this before. Similar flyer but different content
Usually something like
"Increase your Turnover by 500% - Guaranteed"
"Never get turned down by that dream woman (man) again - Guaranteed Success"
"Earn £5000 in 2 weeks or your money back"
"How to select winning horses or your money back"
"Win at Poker - Every time"
You get my drift. I could teach you a thing or 2 about chess. You could teach me nothing that I could not find in "How to play chess for beginners by Bobby Fisher" US$9.99.
Edit: I have managed to whip an opponent in 2 moves. How will you teach me to do less than that in "How to beat your opponent in less moves than ever
Edit: I am heading for a rating of 3800-4000. Fantastic! I will learn that bit in "How to increase my rating by 200% to 500%" Hell if I make the 500% my grade will be almost 10000.
Edit: Discover exactly how grand masters effortlessly win nearly every game they play
Last time I looked most GMs only won slightly more than 50% of their games - hardly nearly every