What should I do to get to 1000 elo?

do puzzles and switch to a longer time control dont play dumb openings either learn developing moves learn basic attacking ideas practice king safety watch youtubers

just keep playing if you really want to get to 1000 you will its not very hard anyone can do it

Stop chasing openings. Start mastering chess principles. I’ve seen players improve faster this way. Reach out anytime if you want guidance on what actually matters in chess.

Improving Your Chess - Resources for Beginners and Beyond.....

https://www.chess.com/blog/RussBell/improving-your-chess-resources-for-beginners-and-beyond

Id set you're goals lower, if you're currently 250 rapid aim for 400/500 not 1000

The advice "switch to a longer time control" is good, but it also implies "use your time and think".

This is your last lost game:

https://www.chess.com/game/live/146199984452?username=fishypenguino12

You started the game with 15 minutes, and 37 moves later you lost with more than 16 minutes on the clock. Does this look like reasonable time management to you?

Become @magipi, when it comes to chess he is practically god himself so you will easily be able to hit 1000

Learn the principles. Easiest choice you could ever make to get to 1000.

Very easy chess.