You are not going to improve by playing 3 minute games. How can you expect to play good chess if you are spending 3 seconds on each move?
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The key to getting from below 500 to over 1000 is quite simple. You have to look one move ahead! Of course you can look just one move ahead, but you don't. I have looked over several of your games, and the story is always the same: You make your moves without looking to see if they are safe or if you have a better move. As a result, your opponent simply takes your pieces or checkmates you. In this game, every disaster could have been averted by just looking one move ahead!

You are still missing elementary tactics, mainly because your brains are already fried after all these blitz and bullet games you have played.
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"learn theory and openings" ++ That does not help at all
"I need a way to win"
++ Focus on not losing. Wins will come then. Hang no pieces, hang no pawns.
Thank y'all so much for the advice :)
You have already registered wins against several 600+ rated players, and even more impressively, drew a 1100 rated player in a 10 min game.

Hi! My name is Lauren Goodkind and I’m a respected chess coach and chess YouTuber who helps beginners out :
https://www.youtube.com/channel/UCP5SPSG_sWSYPjqJYMNwL_Q
Send me one of your games and I'll be happy to analyze the game for free on my YouTube channel on Sunday livestream from 1-2PM PST. Ask me questions in real time!
This is a great way to improve!
Here’s more ideas to help you get better.
-I recommend two books for you: “50 Poison Pieces” and “Queen For A Day: The Girl’s Guide To Chess Mastery.” Both books are available on Amazon.com. Both books are endorsed by chess masters!
-If you are serious about chess, I highly recommend you hiring a chess coach to help you.
-Also consider all checks and captures on your side and also your opponent’s side. Always as, “If I move here, where is my opponent going to move?”. Do this for every single move!
-Play with a slow time control, such as G/30 so you have plenty of time to think before every move.
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