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I've got two questions. I'm wondering if:

  1. It is possible to search for certain positions in a database (like Chessbase) and display all of them in a text file.
  2. To be able to assign a score to each position automatically with a chess engine.

I've got some notions of programming but I wouldn't mind getting some ideas on how to write such a program.

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2 Answers 2

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  1. Use pgn-extract:

... FEN positional matches with -t ...

  1. Use ChessArtist. It supports any UCI chess engine, including Stockfish and Komodo.
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  • It looks good. I just wanted to know if it is possible to deal with FEN instead of PGNs for both?
    – A. Napster
    Commented Mar 31, 2017 at 4:37
  • @A.Napster My solution is not perfect. pgn-extract doesn't hook up with chess engine, and chess artist doesn't search. But there is nothing stopping you incorporating both in a script.
    – SmallChess
    Commented Mar 31, 2017 at 4:41
  • I know. my question is whether both can deal with or output FEN
    – A. Napster
    Commented Mar 31, 2017 at 4:49
  • @A.Napster pgn-extract can deal with FEN by itself. ChessArtist doesn't handle FEN, but it's easy to add.
    – SmallChess
    Commented Mar 31, 2017 at 4:51
  • Just a thumbs up to say that I managed to what I wanted with the programs you suggested. The only modification was writing the FEN as EPD then analysing with ChessArtist. Thanks again for your help.
    – A. Napster
    Commented Aug 24, 2017 at 10:16
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I am the author of pgn-extract and, as has been pointed out, it doesn't hook up directly with a chess engine. However, if you would like to try out something I recently wrote that does interface with an engine then there is a description of a UCI-based analyser that can output annotated PGN via its --annotatePGN option. It is still a little experimental and you will need to compile from source but it might provide something close to what you are looking for.

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  • Thanks a lot for your help and program. However I've already managed to do the job with pgn-extract and ChessArtist. First I extract FEN with pgn-extract , write it in an epd format file then I analyse them with ChessArtist using Stockfish. It doesn't look pretty but it works like a charm.
    – A. Napster
    Commented Aug 24, 2017 at 10:09
  • I am glad you have a solution.
    – kentdjb
    Commented Aug 25, 2017 at 6:57

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