Are 1500 players really this good?

How do you spot Na6 here? This looks like much higher rated tactics.

Are you sure you are talking about the correct move?! Or my eyes are missing something! I just can't see any Na6 move.....

Its not a hard move to find. If you mean Nf6+

He just moved his knight to the most active square to run away from your pawn in 22.Nd5 and went for the check in the following move, and then went for your pawn, and then went for the obvious skewer. Nothing that amazing, he didn't necessarily see the tactic 5 moves early or anything, just did the best obvious moves one by one

Nf6 is check, they always see checks :-)

He means 21... Na6 for Black :)
And yeah, the problem wasnt that you've missed that move... Nc6 or even Nd7 would be ok too.. g5 was just to much to open your king like that

1500 Players can be sometmes find pretty good moves. They are definetly not bad at chess.

Did he message you saying you should have played 21...Na6? You need to give some more info here.

Also, 21...Na6 is just developing a piece not a tactic. Also I'm not sure how it's that "advanced" especially when he clearly just wants you to play Rc8 to hit the queen.