Sudden puzzle rating drop

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Avatar of Marcus_Chess_0302
Today 9/10, many of us lost a lot of elo here's what I think why: chess.com puzzle was broken and many reached 3000 but have their elo on 1000. The elo drop differs from different person, chess.com reviews the puzzle you did recently and change the rating accordingly. In the past if you did a puzzle correctly you get at least 5 points, but this somehow let many reach crazy ratings, they reseted the rating to the most suitable real puzzle rating. Still I was very shocked and chess.com should've talked about it in advance
Avatar of Martin_Stahl

https://www.chess.com/news/view/announcing-new-puzzles-rating-system

Avatar of Marcus_Chess_0302

Thanks Martin

Avatar of vibrolux1
I just dropped 1,000 points for one puzzle failure - it was a bit WTAF!
Avatar of Marcus_Chess_0302

It's not because of failed puzzle, chess.com resets all of our puzzle rating

Avatar of ignacho331

no wayy give me back the lost time

Avatar of Underwurld

I am very disappointed in this move at the moment , what chess.com has basically said is that by me reaching my peek by spending hours and hours / night and day and even waking up during the night to do a few more puzzles is that i have 'Created a False Reading and false puzzle rating this is after completing over a 1000 lessons to learn how the puzzles are formatted from different opening coming into middle games to endgames , What this tells me is that chess.com 'Has gone Rogue' and what they are actually saying is ' We Got Your Money Sunshine and Now we are going to Tell you 'How this is Going to Play Out'

Avatar of Martin_Stahl
Underwurld wrote:

I am very disappointed in this move at the moment , what chess.com has basically said is that by me reaching my peek by spending hours and hours / night and day and even waking up during the night to do a few more puzzles is that i have 'Created a False Reading and false puzzle rating this is after completing over a 1000 lessons to learn how the puzzles are formatted from different opening coming into middle games to endgames , What this tells me is that chess.com 'Has gone Rogue' and what they are actually saying is ' We Got Your Money Sunshine and Now we are going to Tell you 'How this is Going to Play Out'

The issue was that ratings were completely out of line with reality. For example, I was running around 2700, with a peak of 3100, and that's nowhere near my ability. I'm still probably around 100-200 higher that what I probably should be, based on game ability, but it's certainly more in line with my strength.

Avatar of Underwurld
Martin_Stahl wrote:
Underwurld wrote:

I am very disappointed in this move at the moment , what chess.com has basically said is that by me reaching my peek by spending hours and hours / night and day and even waking up during the night to do a few more puzzles is that i have 'Created a False Reading and false puzzle rating this is after completing over a 1000 lessons to learn how the puzzles are formatted from different opening coming into middle games to endgames , What this tells me is that chess.com 'Has gone Rogue' and what they are actually saying is ' We Got Your Money Sunshine and Now we are going to Tell you 'How this is Going to Play Out'

The issue was that ratings were completely out of line with reality. For example, I was running around 2700, with a peak of 3100, and that's nowhere near my ability. I'm still probably around 100-200 higher that what I probably should be, based on Gane ability, but it's certainly more in line with my strength.

I understand that the Puzzle machine was not perfect but i was losing 35 points for every 5 made i would even go to Hikaru's page and play his puzzles because i knew he was getting the Really tricky ones and i worked out a few of them because at the end of the day as Levy Rozman say's 'There is always a Solution' ..It's basically there in front of you , Remember some of us like me are not good at chess we are Quite Good at Puzzles first and foremost

Avatar of Martin_Stahl
Underwurld wrote:.

I understand that the Puzzle machine was not perfect but i was losing 35 points for every 5 made i would even go to Hikaru's page and play his puzzles because i knew he was getting the Really tricky ones and i worked out a few of them because at the end of the day as Levy Rozman say's 'There is always a Solution' ..It's basically there in front of you , Remember some of us like me are not good at chess we are Quite Good at Puzzles first and foremost

Prior to today's changes, the puzzle rating changes shown were based on the rerated puzzles and the difference between those and your puzzle rating. So you were getting 1300-1500 rated puzzles and when you missed them, the difference between that and your puzzle rating, meant you were losing more points.

If you had looked at the puzzles in your archive from just before the changes, you would have seen the point losses weren't actually that high.

If you want harder puzzles, try changing your puzzle Difficulty from Standard to Hard or Extra Hard.

Avatar of Divergent71
Cancel your subscription.. not worth it anymore! I have students that play over the board, a lot stronger than what their rating is here and this completely amazes me how they’re going to downgrade people’s puzzle rating and say that it’s good for us in someway… Some people are good at different time controls, and some people are it doesn’t mean anything you’re just full of garbage
Avatar of maxchen777
That is so annoyingly I grinder puzzles for so long and now I am back to where I started:(
Avatar of Thepasswordis1234

I feel bad for people like @JosephReidNZ , because he dropped from 65535 to 3720

Avatar of eliopsoy

In their post they explain how always giving a minimum of 5 elo for any solved puzzle, no matter the level made the elo unreliable. And although to us elo is a number to aim for and a way to test how we are improving. the site also uses it to give you appropriate puzzles. They can now do this more accurately. yeah feeling wise it might be weird to see that drop. But when you compare your puzzle elo to other people, comparatively nothing has changed. What does it matter if the little number changes if it does so for everyone? You are still awesome at puzzles. Do you like them? Do you like improving at them? then that is all that should matter

Avatar of SBllCrystalBlade

I feel bad for my friend Asheralan whose puzzle rating dropped by 2000

Avatar of melenkurion_arabatha

I can buy into the change that they made and I can even buy the reasons for it. What I have difficulty with is the historical stats. Either reevaluate the previous puzzle solutions and update the historical stats accordingly or restart the stats as of the change to the rules. To show these significant drops when they did not actually occur is just disingenuous. I would also submit that while the previous ratings were probably not even close to aligning with the ELO of the players, because they were consistently applied they did have validity - just not in the same way that the game ratings did.

Avatar of Martin_Stahl
melenkurion_arabatha wrote:

I can buy into the change that they made and I can even buy the reasons for it. What I have difficulty with is the historical stats. Either reevaluate the previous puzzle solutions and update the historical stats accordingly or restart the stats as of the change to the rules. To show these significant drops when they did not actually occur is just disingenuous. I would also submit that while the previous ratings were probably not even close to aligning with the ELO of the players, because they were consistently applied they did have validity - just not in the same way that the game ratings did.

The whole puzzle history has been re-rated. It's just that the graph is showing historical ratings and the cutoff for the change in the system. It's possible that will change in the future.

Avatar of melenkurion_arabatha
Martin_Stahl wrote:
melenkurion_arabatha wrote:

I can buy into the change that they made and I can even buy the reasons for it. What I have difficulty with is the historical stats. Either reevaluate the previous puzzle solutions and update the historical stats accordingly or restart the stats as of the change to the rules. To show these significant drops when they did not actually occur is just disingenuous. I would also submit that while the previous ratings were probably not even close to aligning with the ELO of the players, because they were consistently applied they did have validity - just not in the same way that the game ratings did.

The whole puzzle history has been re-rated. It's just that the graph is showing historical ratings and the cutoff for the change in the system. It's possible that will change in the future.

Yeah I get that and I certainly hope it will change in the future but it should have rolled out as a complete solution instead of piecemeal like this. Truly not a huge deal but certainly not ideal.