Using ChessBase 13, I saved a bunch of games in PGN format. Is there a simple way to suppress the comments of all annotated games? I would like to avoid doing it one by one.

  • pgnextract can easily do it.
    – SmallChess
    Nov 17, 2016 at 21:42
  • pgnextract can surely do it easily but not for a poor windows user! I would be pleased to accept an answer that details how to achieve it (including how to properly install the program using windows 7). I tried to run the command pgn-extract -C mygames.pgn but without success...
    – Kortchnoi
    Nov 17, 2016 at 23:22
  • What error did you have? I'm sure the -C command would work. I've been doing it.
    – SmallChess
    Nov 17, 2016 at 23:25

2 Answers 2


In Chessbase, copy the games to a temp database, right click the file, go to tools and select Unannotate db, then copy to the games to a pgn file.

Edited to note Unannotate doesn't work on pgn files directly.

  • Thanks a lot! Efficient solution. Note that the right click should be done in the cbh file before copying the game to the pgn file.
    – Kortchnoi
    Nov 19, 2016 at 9:42
  • I'd copy them to a temp database first so you don't lose the annotations in the original db. Nov 19, 2016 at 16:03

Goto https://www.cs.kent.ac.uk/people/staff/djb/pgn-extract/help.html#suppress and look for Suppress annotations in the output.

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  • Thanks again (unable to upvote for the moment). I am sure it works but I am not comfortable with a command line tool. So I was not able to make it. I downloaded pgn-extract-17-21.exe(using Windows 7) in the same folder that my pgn file. Then I ran the .exe file and I executed the command pgn-extract C mygames.pgn in the appearing windows shell but nothing happened. I would appreciate any help to solve this. Thanks in advance.
    – Kortchnoi
    Nov 18, 2016 at 8:02
  • @Kortchnoi You will need to start a console. Have you?
    – SmallChess
    Nov 18, 2016 at 8:16
  • No I haven't. Can you recommend me one?
    – Kortchnoi
    Nov 18, 2016 at 8:35

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