Answers.Body: <p>From reading various chess source codes, mostly before 2005, I can state that most don't a FEN output.  Any that would allow for a non-starting position should accept FEN, as it's just a special form of PGN.
  Crafty and san_kit both have a &quot;fen&quot; command.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2021-01-05T08:17:47.613Z
Answers.LastActivityDate: 2021-01-05T08:17:47.613Z
Answers.UserDisplayName: Mike Jones
Body: <p>I know in StockFish if you type &quot;d&quot; you get an ascii view of the board and a FEN string for the current state. Is there any command in other UCI engines such as Rybka 4 that will output a FEN string?</p>
  
Tags: <engines><uci><fen>
Title: Can all UCI engines output a FEN for the current position or is it just StockFish?
ThreadText: # Can all UCI engines output a FEN for the current position or is it just StockFish?
  
  (Asked by: username_0 on 2021-01-05)
  
  I know in StockFish if you type "d" you get an ascii view of the board and a FEN string for the current state. Is there any command in other UCI engines such as Rybka 4 that will output a FEN string?
  
  **Tags:** engines, uci, fen
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2021-01-05. Score: 3 | Accepted answer
  
  From reading various chess source codes, mostly before 2005, I can state that most don't a FEN output. Any that would allow for a non-starting position should accept FEN, as it's just a special form of PGN.
  Crafty and san\_kit both have a "fen" command.
  
  
  ---
  
  