"Genius".....till proven otherwise.
What do you say when people ask how good at chess you are ?

Like in any other game, you are good, when your winning percentage is higher than your losing percentage. I quote from the chess.com statistics and tell them that under the assumption of a normal distribution of rating points only x% of all users have a higher rating.

I say that I'm pretty terrible, with a smirk. This statement is great in that it is honest (I do consider myself pretty terrible, compared to the people I look up to), and the smirk also usually triggers further questions, after which I elaborate that I'm still way above average, just not as good as I would like to be.
If you are a kid (well, you're not), below 600 is bad. Above 600 is good. If you're and adult (you should be), below 1200 is bad. Above 1200 is good.
Like a 100 rated player vs. Stockfish it will be a bit like this:
I am a kid, above 1200.
(DUN DUN DUN!)

If you are a kid (well, you're not), below 600 is bad. Above 600 is good. If you're and adult (you should be), below 1200 is bad. Above 1200 is good.
Like a 100 rated player vs. Stockfish it will be a bit like this:
I am a kid, above 1200.
(DUN DUN DUN!)
I am a kid with a 2000 fide rating.
(DUN DUN DUN!)

if it is a girl then i say i don't play chess because girls think that chess players are dorkey
Absolutely nothing wrong with being "dorkey".

if it is a girl then i say i don't play chess because girls think that chess players are dorkey
Absolutely nothing wrong with being "dorkey".
Some girls -- the not-so-smart ones -- may actually think playing chess is "dorky," or they may pretend to think it in order to "fit in." But Trust me -- the Smart Ones find "signs of intellect" really attractive! And I know what I'm talking about, because I used to Be a "Smart Girl" ... and I never had any interest in all those muscle bound, empty-headed athletes --- or empty-headed anybodies, for that matter!

I say, "Would you believe I'm among the best players in history? No? Okay, would you believe..."
Don't tell me you used to watch "Get Smart!"
how about if i ask the girl for her number to reply to her question ?