how to gain more elo?

>use your time, a lot >this is coming from a 700 so don't trust me that much >start checking every move to see if any of your pieces (or your opponent's) pieces is easily taken >if you haven't yet, learn castling and 𝔢𝔫 𝔭𝔞𝔰𝔰𝔞𝔫𝔱 >following that, when you castle kingside, move the g pawn one square forward to prevent backrank bates >have you learnt forks, discovered attacks, pins and skewers yet?

Use the thousands of resources already available and stop looking for shortcuts.

The Framework

1. Learn core principles.

2. Apply them in slow games.

3. Analyze your decisions afterward.

This is the framework I use with students I coach.

Here are the core principles:

• The Principle of Activity & Material: These are the two pillars of chess. You must constantly strive to increase the activity of your pieces while capturing material whenever it is freely given.

• The Principle of the Least Active Piece: When you aren't sure what to play, identify your "worst" piece and improve its position. This is the secret to consistent positional play.

• The Principle of Attack: Attacking moves are superior because they force the opponent to react. Prioritize calculating Forcing Moves (Checks, Captures, and Threats) before anything else.

• Maximum Activity: Place your pieces as forward as possible to restrict your opponent.

• Keeping the Tension: Do not release the tension (exchange pieces/pawns) unless it gives you a concrete advantage. Releasing tension often helps the opponent free their game.

• The Principle of the Center: Centralization is the most efficient way to dominate the board.

• Neutralization: If an opponent has an active piece on your territory, your immediate priority is to attack it, force it back, or exchange it.

• The 3 Opening Tasks: 1) Develop pieces, 2) Castle, 3) Connect rooks.

• Endgame Strategy: In the endgame, the logic changes: Activate your King, advance passed pawns, and attack opponent's weak pawns.

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

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

you should use for things like openings it really helped me get up in rating a little and also making sure to use analysis after games as learning from ai's such as stockfish and torch when they are so strong is very vital to game improvement.