I'm sleepy
Why I prefer not to play the bird's

It can be aggressive IF you know how to play it. If you don't know how to play it, it can lead to "Fools Mate."

However, white can't be worse after 1. f4 ... d5 because the Dutch is fully playable.
This variation is hard for black to play against, but it is probably a draw with best play.

However, white can't be worse after 1. f4 ... d5 because the Dutch is fully playable.
This variation is hard for black to play against, but it is probably a draw with best play.
F5 is a severe mistake by the second player.
In reality, it is practically impossible to achieve an advantage in the main lines of the leningrad.

Wrong, even at the engine level, the Dutch scores the same as the starting position.
Engines are not opening experts and if you want to take up the same challenge what's his face didn't, play 50 unrated games against me from the dutch and see how badly I win the match. You will use your engine, I will use my brain.
Sure, make them 3 days per move.
Ok