Chess ELO 300 - need tips to improve

For example:

- Do a couple puzzles before playing to get your brain into "chess-mode".

- Until you hit rating 1000, play slow time controls, at very least blitz 5|5 or rapid 10|0, so you have time to think about your moves

- After the game, analyze what you did wrong, so you can avoid these errors next time.

- Keep track of your time. If you are getting lower on time than your opponent, speed up and play faster than your opponent so you dont get into time trouble while your opponent has time to think

- When thinking about your next move, first try to list all possible attack moves and start investigating those before considering defensive moves. The best move is most often an attacking move.

- Attacking is also easier than defending. You are much more likely to blunder if you are on the defense.

- In the same spirit, do not automatically take back. Check if there is an even stronger counterattack. Such as even a checkmate.

- Blunder detection: After every move of your opponent, think about what this move changed about the situation on the board. For example did a previously defended piece lose its defender and can you now take it for free.

- Anti-blunder: Once you decided what to play, think about what your move will change.

- Try to keep the position compact. Keep your pieces together, strive to keep your pieces defended by a pawn, OR by two pieces. Of course you cannot do this in absolute ways, but if a piece is only defended by another piece not a pawn, or not defended at all, be extra careful about it; such pieces easily get lost.

- Pawns cannot go backwards. If you dont know what to move, do NOT just randomly move a pawn. Try to move a piece onto a more active square instead.

- If you have a bad piece, such as a bishop thats the same color as your pawns, try to trade it for a good piece of the opponent.

- Avoid taking opponents pieces except if you get a benefit. In general if you take an opponents piece, you often improve their position.

- When the opponent takes a piece, dont automatically take back. Check if there is something better, like a checkmate.

- Get master games with commentary from masters. This will give you a strong impression about how masters really think and play. A good free resource for this are the speedruns of GM David "Danya" Naroditsky on YouTube. Additionally they start with really easy games, to then get harder and harder. There are of course also many classical games by Morphy, Bobby Fischer, and many more. A famous book in this regard is "my 60 memorable games" by Bobby Fischer.

Learn and apply the most important principles of chess. - (core of my teaching)
Always blunder-check your moves.
Solve tactics in the right way.
Analyze your games.
Study games of strong players.
Learn how to be more psychologically resilient.
Work on your time management skills.
Get a coach if you can.

Tbh just learn an opening for black and white, and common variations.

Improving Your Chess - Resources for Beginners and Beyond…

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

First, I see one of your games went like this

You need to be aware of your opponent threats or you might get checkmated. You shouldn't make your king exposed either (by pushing pawns in front of it), you should castle early. You should also consider the point of each piece before making trades, a pawn is 1 point, a bishop and knight is each 3 point, a rook is 5 point, and a queen is 9 point. Also don't bring out your queen early or she might get trapped. Instead, play patiently and develop your position

You should also remember

When your opponent offers a trade of even equal material, he might want that trade. You don't have to trade it always

well what i could recommend is, right now you have premium membership so use it analyze games play plenty of puzzles and don't play fast games like bullet until you become 1200 rated in rapid concentrate only on blitz and rapid nothing else and don't play custom games like Crazy house or bug house etc ok