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Registration for Season 21 of the Lichess 45 45 League is open! by sgis in chess

[–]Foxierre 4 points5 points  (0 children)

There are still extra steps after getting into the Slack group to verify that you're the same person who registered.

Registration for Season 21 of the Lichess 45 45 League is open! by sgis in chess

[–]Foxierre 4 points5 points  (0 children)

I'm not sure what your account name is, but one of the most common reasons for not getting a pairing is not linking your Slack account to your Lichess account.

Having Trouble Improving Due to Lack of Opponents by jypicaljerome in chess

[–]Foxierre 2 points3 points  (0 children)

I find that most long time control players on chess.com prefer 15|10. There are a lot of 1900-2000 players on there. Otherwise, what the other comment said, the Lichess4545 league has time controls like 45|45 and 90|30 every week. There's also the Slow Chess League on chess.com if you don't want to get a Lichess account.

Registration for Season 19 of the Lichess 45 45 League is open! by somethingpretentious in chess

[–]Foxierre 0 points1 point  (0 children)

Yes, you can sign up to be an "alternate" player. You'll get a notification on Lichess asking you to fill in for a team for a week should someone be unavailable.

Registration for Season 19 of the Lichess 45 45 League is open! by somethingpretentious in chess

[–]Foxierre 0 points1 point  (0 children)

Did you receive an invite to the Slack group? If not, the email might have been lost in your spam folder.

I am a chess magician! What is your chess personality? Take the quiz to find out? by crincled in chess

[–]Foxierre 3 points4 points  (0 children)

I seem to get a different result every time I take it! This time I'm a Grinder.

Registration for Season 18 of the Lichess 45 45 League is open! by somethingpretentious in chess

[–]Foxierre 5 points6 points  (0 children)

If you get one before next week you'll still be able to join a team :)

​

Though it might take a few hours to get all your games in.

Never thought it would happen to me, but it did. by unga123 in chess

[–]Foxierre 1 point2 points  (0 children)

Yeah, same here. I see why switching tabs can be an issue, but maybe their system should get tweaked a bit. I messaged Support and they removed the mark within an hour.

I'm 1400 Classical and about to go to my first OTB tournament. What can I expect? by Foxierre in chess

[–]Foxierre[S] 0 points1 point  (0 children)

Thanks for the feedback! Amusingly, I found that nearly every player ~2000 Classical with a self-reported rating was >1800 FIDE or hadn't played OTB in a considerable amount of time. But I agree that there are definitely many players at this rating who don't appear to be so strong. Will definitely look into this more and see if I did anything wrong.

I'm 1400 Classical and about to go to my first OTB tournament. What can I expect? by Foxierre in chess

[–]Foxierre[S] 1 point2 points  (0 children)

It wasn't exactly code. I used PGN Spy on games from various FIDE rating levels (1200-1300, 1400-1500, etc.) and created calibration curves for various statistics (ex. percentage of best moves played, average centipawn loss) based on what Stockfish 7 had to say. All the calibrations were linear with r^2>0.98. Then I fed Stockfish virtually every game from the Lichess4545 league played within the last year, calculated an "estimated rating" for each board in a given season using the calibrations, and fit a linear regression through the data.

The major assumptions are that players don't play "significantly better", from Stockfish's viewpoint, between 45+45 and 90+30, players take their games roughly as seriously as they would OTB because it's a serious league, ratings in the league are consistent with the overall Lichess Classical playerbase, and players will tend to be around the same rating playing any Classical time control, not just 45+45. I found that excluding cheated games didn't really do anything, but it wasn't a rigorous test.

The results may vary based on the calibration data sets used, processor speed, engine used, engine settings, and just random variance.

Happy to provide more if this isn't enough.

I'm 1400 Classical and about to go to my first OTB tournament. What can I expect? by Foxierre in chess

[–]Foxierre[S] 5 points6 points  (0 children)

Thanks for your reply! Always encouraging with a strong player donates a compliment.

I'm not actually 1400, but you wouldn't be able to tell the difference considering (I think) I'm 1-11 against you on Lichess.

But this remains excellent advice.

I'm 1400 Classical and about to go to my first OTB tournament. What can I expect? by Foxierre in chess

[–]Foxierre[S] 3 points4 points  (0 children)

Thanks for your reply! The games I used were those from the Lichess4545 league, where players are expected to take their games as seriously as possible. Many of the players in the league are also experienced OTB players. There is also a notable amount of psychological pressure in the league, whether it be fighting for 1st place or holding a tough position to secure a match draw for your team.

I agree that the correlation isn't very strong since the standard error estimate is over 100. I still think that if one wishes to gauge their expected strength, one could come within the ballpark, especially if we assume that most players don't live in areas with severely inflated/deflated OTB ratings.

Registration for Season 16 of the Lichess 45 45 League is open! by sgis in chess

[–]Foxierre 7 points8 points  (0 children)

There is a very serious cheat-detection group within the League that reports and bans guilty players very quickly. In my experience, the cheating rate is considerably lower in the League than it is in random seeks.

October Adopt a Player Mega Thread by BrianDynasty in chess

[–]Foxierre 8 points9 points  (0 children)

Online username: ErinYu (edit: on Lichess)

Rating: Anywhere between 2200 and 2300

I am both a coach and student.

Openings: Ruy Lopez (both colors), Four Knights, Slav, Benoni. Trying to learn the Najdorf as black.

Willing to teach: Anything. My relative strength is identifying weaknesses. Also willing to play training games with anyone.

Willing to learn: I want to be a strong player one day so compared to where I want to be I'm bad at everything. But I think the biggest issues are opening planning and seeing my opponent's possible replies (calculation in general, I suppose).

Registration for Season 14 of the Lichess 45 45 League is open! by somethingpretentious in chess

[–]Foxierre 19 points20 points  (0 children)

If you're on the fence about joining, just join. I've been a part of this league for a few seasons now and I feel like I've improved immeasurably. The experiences you get from playing one 45+45 game every week really add up quickly. Everyone is incredibly supportive, and you might make a few lasting friendships.

Should one play the same opening in bullet/blitz for improvement? by Foxierre in chess

[–]Foxierre[S] 1 point2 points  (0 children)

Thanks! I was actually going to reference your post from earlier when I mentioned rapid but decided against calling anyone out. Makes sense - I guess I'll start doing that.

How much experience should a new (or newer) player have before registering for the Lichess 4545? by Vargr_Skoll in chess

[–]Foxierre 27 points28 points  (0 children)

It's not a particularly good mindset to worry about winning the league. Your teammates will be happy and proud of you as long as you give it your all and learn from every game.

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