quit chess
What is your best ONE TIP OF ADVICE for Beginners/Intermediate

Oh, I only gave a tip for a beginner. OP also asks for a tip for intermediate players (I'll assume OP means "intermediate" as something like 1300-1500).
After finding a move you want to play, your goal is to make that move look as bad as possible. Look for ways the opponent can move that make your move look foolish or bad. Don't assume a recapture. Don't assume a check. Look at many of your opponent's options.
After finding the move you're most afraid of, if you still like your candidate move, then you're allowed to play it.

Oh great, I posted something useful and it landed on number 80 in the middle of kids spamming nonsense so it will probably be buried.

He isn’t accepting my challenges 🤣 what a p****
Why should I?
I mean, you did say you could adopt him...he said you're 700...sounds like a good way to settle your dispute
tad stop being poopy. play the man

don't learn bad openings just because your favorite youtuber plays them i.e Englund Gambit, Stafford gambit, etc
They r not bad at beginner level
entering a losing position on move 1 like the englund gambit does is bad at every level. It's not hard to play against it even as a beginner
I suppose u don't understand
I suppose you don't understand that I was also a beginner once. Hopeful tricks don't work at that level (your level) either.
I am about 1300. That is NOT beginner mister
Why doesn't your rating indicate that you're 1300 then? if you were actually 1300, you'd be 1300
I dont play many rated games
playing lots of unrated games doesn't change the fact that your rating isn't 1300, given that unrated games are exactly that: unrated.
I am about the level of 1300. I dont play many games. What is your point?
You’re probably 800 that plays unrated games to try to keep a trash rating lol
Why would I want to stay at 1000? And ha ha ha? What is so funny mister?
If you’re 1300 you should be able to beat me
play me you idiot stilldlust.
send me dm

Oh great, I posted something useful and it landed on number 80 in the middle of kids spamming nonsense so it will probably be buried.
dont worry i saw it

Oh great, I posted something useful and it landed on number 80 in the middle of kids spamming nonsense so it will probably be buried.
idk how this transmuted to something else from me saying not to play the Englund gambit but sorry

Oh great, I posted something useful and it landed on number 80 in the middle of kids spamming nonsense so it will probably be buried.
80 means abundance, success lol

Oh great, I posted something useful and it landed on number 80 in the middle of kids spamming nonsense so it will probably be buried.
dont worry i saw it
same

He isn’t accepting my challenges 🤣 what a p****
Why should I?
You saída you could adopt me, prove it
Couldn't be bothered
LOL YOURE PROBABLY SHlTTING YOURSELF RN LMFAOOOOO
me too

And he missed a hanging bishop
U r SSOO bad. U could have taken rook. Duh. Rematch. Or r u scared?
may I play you myself holy one

And he missed a hanging bishop
U r SSOO bad. U could have taken rook. Duh. Rematch. Or r u scared?
may I play you myself holy one
Can I play too? hehe
Just realised the OP said ONE piece of advice so I suppose I'd add the following:
4 - Pay attention to details.
Post of the day.
So, which one?
Checks, captures, or consolidation
I was hoping that would all count as one, since I used commas and not periods.

just so beginners get some use out of this hijacked thread, I annotated the game
If you want more annotations like this, consider joining the Beginners and Masters club (professional advertising right?)

just so beginners get some use out of this hijacked thread, I annotated the game
If you want more annotations like this, consider joining the Beginners and Masters club (professional advertising right?)
I love philidor too, it prevents ruy lopez noobs
You can still get it pretty much from force if black follows the most principled moves
My advice would be to play your move, then start thinking about the next one. While your opponent is thinking, think yourself. Ponder what he might do, and think of ways to counter it. That way, you can make moves relatively quickly without making them carelessly.