Try to solve puzzles every day. Don't get angry for the wrong puzzles, it will cause you to lose more points. analyze the answers to the puzzles (especially when you get it wrong)
Also, watching puzzle solving masters will help you improve yourself.
Hi im really trying hard to get better at puzzles to prove to myself that i still can improve. But im kinda stuck around 2200. My goal is to beat 2300.
Any tips or advice?