vienna gambit accepted

one of my games: checkmate in 18 against someone 200 above me lichess.org/FGPFOKc1/white basically never take the pawn

You can take the pawn, but 4...Qe7 7...Qd8 loses

true but it still puts you back a turn in develepment and your actually moving the knight out just to move it back in pretty much straight away so its still not very good and just better not to accept at all and play 3. ... d5

After 3. ...exf4, the engine puts it at +0.5

@edember13 yes

although it says the actual opening(3. f4) is an innacuracy :(((

Vienna gambit is a nice tricky opening for blitz and 3... d5 is the only reasonable move there. I don't care what the engine says. Maybe you can play something else like 3..d6 and survive, but why? And taking that pawn is just insane IMHO. Maybe there is an engine line that holds for black, I don't know, but to me it looks like playing halloween gambit up a knight

other mates in 2

17 c4+ Kd4 18 Nf3
17 Nc7+ Kd4 18 c3
17 Qd3+ Kxe5 18 Bd6

@MrPushwood yep