Hidden resource found by engine

In this game, both I and my opponent thought that white is winning the bishop by skewer therefore black resigned ,but there is a way to save it try to find it

Ok I failed to relieze that Blacks queen protects f8.
Nice.

@Ben10Tenyson said in #1:
> In this game, both I and my opponent thought that white is winning the bishop by skewer therefore black resigned ,but there is a way to save it try to find it

Bd7? you call that hidden?

@rimac_c2 said in #3:
> Bd7? you call that hidden?
you are 2750+bullet you have no idea about us

@Ben10Tenyson said in #4:
> you are 2750+bullet you have no idea about us

I was just kidding around

@fuxx_de said in #2:
> Ok I failed to relieze that Blacks queen protects f8.
> Nice.

Null

Null encore

Fwiw I found it easily too. But of course it's easier to sit and look at a puzzle calmly than when you are playing the game and on the clock. And knowing the objective is to save the bishop is also a big hint compared to just having to find the best move in general.