Why am I getting worse at chess?

That's normal, rating goes up, than down, ten up. Actually dipping a lot for me is a good sign I'm doing something differently, not just playing the same things over and over again. Review your games, find mistakes, try not to repeat them. And solve puzzles, results will come.

You've gone from winning 49% to 46% so it's not that bad.

Try analysing games you win too, to see what you did right.  

Maybe try playing 15 mins rather than 10, I find anything less than 15|10 a real struggle time-wise.

Also, you play a lot of games, do you really analyse them properly, look at the lines, best moves etc?

In my experience, unlike many activities, playing alone won't make you much better, if at all once you find a natural level.

Participation in the hobby for all the wrong reasons.

Always check your intended move is no blunder before you play it. That alone is enough to get to 1500.

Move on to something else that will bring a measure of enjoyment. Most hobbies do not present the self imposed/ or that of others  stress demanding improvement.

Advice on how to improve a rating is worthless that being the sole objective.

You are assuming that beginners are good enough to know that a move is a blunder even after a blunder check. For example even if i do a blunder check i will still miss a tactic which i am just not good enough to notice.

@scarmickle

You are a platinum member, so use it!

Do puzzles, lessons, and analyze all your games, no matter if you win or lose.

If you want, you can always go over your games that you've played a while ago and compare them with your more recent games. Are you blundering more? Playing faster? Mentally less focused? That's all stuff you can fix. Also, rating can quickly become a fixation. In reality you're more likely to play better chess and enjoy it more if you'll just focus on learning and improving instead of immediate results in rating.

Exasperating isn't it?  I was so fed up I deleted my old account.  And it wasn't a case of losing...when you play people a lot better, that's what happens.  What I hated was making boneheaded mistakes and I couldn't break those bad habits.

I notice my rating sharply goes down when I play a lot of games without break.

Maybe it's your case too.

'I notice my rating sharply goes down when I play a lot of games without break.'

Yup, two or three max.

Sometimes playing against the engine helps

Hi! My name is Lauren Goodkind and I’m a respected  chess coach and chess YouTuber based in California: 

https://www.youtube.com/channel/UCP5SPSG_sWSYPjqJYMNwL_Q

Here’s some ideas to help you get better, so you can win more games!    

-I recommend two books for you: “50 Poison Pieces”   and “Queen For A Day: The Girl’s Guide To Chess Mastery.”  Both books are available on Amazon.com.  Both books are endorsed by chess masters!  

-If you are serious about chess, I highly recommend you hiring a chess coach to help you.  

-Also consider all checks and captures on your side and also your opponent’s side. Always as, “If I move here, where is my opponent going to move?”

-Play with a slow time control, such as G/30 so you have plenty of time to think before every move. 

I also offer 500 two-choice puzzles on my website: https://www.chessbylauren.com/two-choice-puzzles.php

I hope that this helps.  

Speaking of beginners and practicing ever notice the huge leap in difficulty between the Sven program and the Nelson program?  I can usually win against 'Sven' (or I am allowed to win I guess) where Nelson is far more difficult. 

It happens to everyone. When this happens, it is important to critically look into yourself and see what could be better. When I had a dip when I was 800 and went down 100, I realized that playing the Jerome Gambit wasn't working so I tried something else. When I dipped from 1200 to 1100, I realized that I didn't have a solid opening for White so I tried a Queen's Gambit and worked on it. When I was 1400 and tanked to 1300, I got the "Woodpecker Method" and did it for a week before I got too busy to continue and I was able to reach 1500s.

Chess is a journey. There will be highs and lows. You just need to push through it and be a little critical about what is going wrong. Chess Vibes even did a video on why you lose games where he used himself as an example and using a spreadsheet, organized it see why he lost and have a plan to prevent another loss

Had a bit of a post written out, then looked at how OP is doing now;  and they seem to have turned their game around.

Sorry, what is Woodpecker method... you told about?