grandscammer
grandscammer means in any field,there are scammers,but in some cases,it referring to scam behavior in chess product. Grandscammer is a noun that describe someone who the first person to sell some free chess product to make money. And misinformed a lot of people to buy their product.
Albert Silver,it is said he is the grandscammer of chess,who literally doesn't know how to code but magically developed chess bot fat fritz, and thousands of people are fooled by it,fat fritz,which is another chess bot Stockfish's clone,who is not stronger than Stockfish.But sell it for commercial product.