Pointers on how i could improve my chess skills

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wljin

Please watch this video, and give me some pointers on how best i could improve my chess skills

Can't this guy beat the Queen of Katwe In Chess ? WATCH AND BELIEVE!

urk
Amazing video, stunning.
But it needs a good soundtrack added to it.

I've actually played the same pawn sac versus 2. Qh5
Black gets a lot of development for it.