35 votes
Accepted

Is there a website that supports blind chess?

Lichess has an option to play blindfolded if you have an account registered. You have to activate the Speech Sound effect, in the upper right corner → Sound → Speech. To enable writing coordinates(e.g....
  • 466
29 votes
Accepted

Why can a chess move improve the chance of winning, according to the computer?

If the computer was capable of evaluating every line of play right to the end of the game, the evaluation would never change. Indeed, the evaluation of every move would be either "win", "lose" or "...
29 votes
Accepted

Where can you play against AlphaZero?

As already explained by other answers, AlphaZero itself is not publicly available. The community has created Leela Chess Zero, a chess engine that started by using the same basic concepts as AlphaZero,...
17 votes
Accepted

ChessKid or an adult chess site for a 15-year-old?

My advice would be to use the adult site. I've had several students but never recommended a kid-friendly site to anyone older than 8 years old. It would be good to know why exactly you want that ...
  • 15.1k
17 votes

App which transforms chess moves into chess positions

What you're looking for is software/website that allows you to load or import PGN files. The Lichess Analysis board, for example, supports exactly what you want: https://lichess.org/analysis -- below ...
  • 1,969
13 votes

Where can you play against AlphaZero?

No, you can't play against AlphaZero, unless you get a special access from DeepMind.
  • 1,840
12 votes
Accepted

Why is Apronus allowing the White king to castle through an attacked square?

I happen to be the author of the chessboard editor under discussion. Let me clarify the issue. This editor is supposed to enforce legal moves but it has a bug which prevents it from being able to ...
11 votes
Accepted

Play online live game against a friend with time odds

On Lichess there is a button that allows you to give 15 seconds to your opponent. You could use it to just give a bunch of extra minutes to your friend at the start of a game.
11 votes
Accepted

The best chess websites or apps to play on

The best completely free website I know of is Lichess. Personally, I use Chess.com. It's free to play on, and many of the features it has can be used by anyone. However, to gain full access to the ...
  • 398
11 votes

Where can I play against specific openings?

Lichess also has several thematic tournaments throughout the week. As an example take a look at this thematic Italian game arena tournament: When you open the tournament, the opening is mentioned in ...
  • 703
10 votes

Is there a site where I can play 30 seconds games?

Not only does lichess.org has the option to berserk in 1m bullet-games, but after a recent update you are able to to start a 30sec game. You will learn nothing though.
8 votes
Accepted

Where can I play against specific openings?

If you want, Chess.com allows you to play from a custom opening position against a computer, which you can choose your level. If you need help with it, go here. You can also send a game to a friend. ...
7 votes
Accepted

Is there any website that shows which opening a certain player struggles against?

Opening tree happens to be the website you are looking for. Using this, you can use a database of games or someone's Lichess or chess.com username to get detail about their games. It shows frequency, ...
  • 1,058
6 votes

Web Interface for training by dragging and dropping pieces

There's also the lichess board editor. It supports all the features you want, and will also let you get a computer analysis or play the position against the engine.
  • 161
6 votes

Why can a chess move improve the chance of winning, according to the computer?

There is no inconsistency. When you make a move, the computer no longer has to search the previous position. It can now focuses all processing power into the new position, and thus the evaluation ...
  • 22.1k
6 votes

"A better move" recommended by chess.com but almost never played?

Chess.com listed this as an inaccuracy because the engine is running at a limited depth, only looking at each move for a few seconds. When I put the position after 5...Bg4 into Stockfish, it gave an ...
  • 17.2k
6 votes
Accepted

Do people cheat at a 1500 level on chess.com while lichess is clean?

Chess.com is a for-profit business, so they have more incentive to be sure that a player is cheating before banning a potentially paying customer. Since lichess is fully free, there's less cost ...
  • 1,022
6 votes

Sorting players by FIDE blitz/rapid ratings

You can visit https://2700chess.com/. It lets you sort the rating. But it seems the display is limited. I took the April 2022 FIDE rating file and created a list sorted on blitz in descending order. I ...
  • 3,025
6 votes
Accepted

Sorting players by FIDE blitz/rapid ratings

The FIDE site only allows you to sort by what you see, so no rapid or blitz option. However you can download the raw data from the FIDE download site. Then it is a straightforward programming task to ...
  • 87k
5 votes

Play online live game against a friend with time odds

On the ICC, you can specify a match request to include two pairs of time controls when you request a match with a specific opponent. For example, you can enter the command: match FIZZBANG 30 10 45 20 ...
  • 3,297
5 votes
Accepted

ChessCafe.com RIP?

Tim Harding, one of the writers for ChessCafe.com, reports that he hasn't been paid for the last two articles he wrote. The conclusion has to be that it isn't coming back. The internet is free and ...
  • 87k
5 votes

Is there a site where I can play 30 seconds games?

If you play on a tournament in http://lichess.org, you have the option to go into Berserk mode. This effectively halves your time (NOTE: not your opponent's), for the possibility of winning more ...
  • 5,630
5 votes

Are there any websites that allow standard correspondence chess time controls?

http://ChessTempo.com offers a wide choice of correspondence time controls including a fixed number of days per game, or increment after a move. Just check it out.
5 votes

Are there any websites that allow standard correspondence chess time controls?

ICCF is a non-free site that offers 'standard' correspondence chess. I believe they have free 'friendly' (non-rated) matches. Typical fees for 7 player tournaments are around $11USD last time I ...
  • 111
5 votes

Websites for creating tournaments with different starting positions

You can do this For free at https://lichess.org. Go to the "Play" tab, and select "Tournaments." Assuming that you have a lichess account, (all they need for that is your e-mail, and they do not ...
  • 2,154
5 votes

Is there a web version of a chess clock for mobile phones without (distracting) advertisements?

Best Solution: chessclock.org - add the website to the home screen on your phone and tilt the phone to the side Added in the comments: chessclock.iphonemarks.com Original suggestions: skakur.dk ...
5 votes
Accepted

Retrograde problem websites

I would recommmend The Retrograde Analysis Corner It is a top notch and well known site that explains castling and en passant conventions, what exactly it is all about, and how to solve such problems ...
5 votes

Retrograde problem websites

Do not miss Rund um die Retroanalyse, a blog by Thomas brand, in German language. It features each week a retro problem, with explanations and the problem solution.
  • 753
5 votes

Tiniest readable board and pieces design

Well, the minimum recognizable size could be 3x3 for each figurine (+1 as field separator if you are spendable) thus you could even fit it in the classical 32x32 icon format. (The pics at the bottom ...

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