Finally reached 1700 blitz on lichess. Is this learning curve slow or normal? I'd like to learn approach the game more seriously, any advice?

Came across this position, and I'm wondering what you guys think is the best continuation for white (white to move)

A normal day of 800 elo chess (I'm white)

Why is this a brilliant? (Opponents move, congrats Darcia) 500

Damn you kronos

Is it really that bad?

Proud of this fork/pin

He didn't see the mate in 1 and I resigned after 4 minutes of waiting for his move

Ayoo who's also simpin' for Lei Tingjie? ✋️

What about it?

genius and very beautiful...

Killer King. Idk why they didn't resign

That king went on a journey