Answers.Body: <p>lichess.org has also this kind of tool for open profiles. I guess this tool is used or can be used for external chess websites. Probably, someone can find the open-source code of chess-insights tool in lichess-github repo. Read more about chess-insights <a href="https://lichess.org/blog/VmZbaigAABACtXQC/chess-insights" rel="nofollow noreferrer">here</a></p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2021-07-22T16:10:48.833Z
Answers.LastActivityDate: 2021-07-22T16:10:48.833Z
Answers.UserDisplayName: Lagamura
Answers.Body: <p><a href="https://www.openingtree.com/" rel="nofollow noreferrer">Opening tree</a> 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, last played, best win, worst loss, win-loss stats and performance. It also have have fatabases of famous players in it. Checking Anand's games as black, after playing <code>1.e4 2.c5 3.Nf3</code> his worst performance is in Sicilian Defense: French Variation (elo performance 2644) with score 107/173 and worst loss was <a href="https://www.chessgames.com/perl/chessgame?gid=1018861" rel="nofollow noreferrer">Ljubojevic - Anand 1998</a>.</p>
  <p>Overall, it's a nice free website.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2020-05-12T13:02:38.737Z
Answers.LastActivityDate: 2021-07-22T11:55:45.590Z
Answers.LastEditDate: 2021-07-22T11:55:45.590Z
Answers.UserDisplayName: AKP2002
Body: <p>I just thought that it would be an interesting statistic to know which openings players like Carlsen and Fischer lost most against. Are there any websites that give these statistics?</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2020-05-11T17:16:14.753Z
Comments.Text: I think chessgames.com has what you are looking for, for example: https://www.chessgames.com/perl/explorer?pid=52948&side=white, but you have to be a paid member to be able to see the full tree.
Comments.UserDisplayName: Akavall
Tags: <opening><statistics><websites>
Title: Is there any website that shows which opening a certain player struggles against?
ThreadText: # Is there any website that shows which opening a certain player struggles against?
  
  (Asked by: username_0 on 2020-05-11)
  
  I just thought that it would be an interesting statistic to know which openings players like Carlsen and Fischer lost most against. Are there any websites that give these statistics?
  
  **Tags:** opening, statistics, websites
  
  > **Comments:**
  > **username_1**: I think chessgames.com has what you are looking for, for example: https://www.chessgames.com/perl/explorer?pid=52948&side=white, but you have to be a paid member to be able to see the full tree.  
  
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  ## 2 answers
  
  ### Answer by username_3 on 2020-05-12. Score: 7 | Accepted answer
  
  [Opening tree](https://www.openingtree.com/) 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, last played, best win, worst loss, win-loss stats and performance. It also have have fatabases of famous players in it. Checking Anand's games as black, after playing `1.e4 2.c5 3.Nf3` his worst performance is in Sicilian Defense: French Variation (elo performance 2644) with score 107/173 and worst loss was [Ljubojevic - Anand 1998](https://www.chessgames.com/perl/chessgame?gid=1018861).
  
  Overall, it's a nice free website.
  
  
  ---
  
  ### Answer by username_2 on 2021-07-22. Score: 0
  
  lichess.org has also this kind of tool for open profiles. I guess this tool is used or can be used for external chess websites. Probably, someone can find the open-source code of chess-insights tool in lichess-github repo. Read more about chess-insights [here](https://lichess.org/blog/VmZbaigAABACtXQC/chess-insights)
  
  
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