discover/double attack

i don't know if it is a discover attack or double attack

see this game that how i divert opponent queen to make a checkmate
you will see that their his/her queen is in a capture position and also in that their is a checkmate

also opponent has1900+ rating

That's "discovered attack with mate threat", the idea is to win the queen but your opponent blundered and allowed you to checkmate straight away. (You were winning anyway though.)

There's a similar, more common tactic called "discovered attack with check" where instead of mate threat, there is a check.

It's both a discovered attack and a double attack. :)

Discovered and double check are often more confusing than attacks!
Well, in this case it was both.
And it was quick game with Black blundering Bishop and overlooking the attack.

this is called a combination step, one step has two goals, it's normal in my opinion, no need for this post

You said my rating is 1900+, that's normal, I've beaten others, with rating of 2400+. Look at my bookmarks, no need to post it like this

remember your opponent is a human, and that's when the call came in, so I didn't focus and stepped

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