I was as chess trainer with some young guys on a tournament, and wrote down some of their games. In nearly every game, there were wrong moves in it: king is in check, but does not move or react; making a move with a pawn more than one square, etc.

The strange thing now is, that I have not found any program (chessbase or other) that allows to write down the notation with wrong moves in it. Is there any program that supports that? I know, they should play only legal moves, but in a rapid chess game (of 7 year old boys), non-legal moves are common.

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    I can write such a program for money. – DrCapablasker Jun 18 '16 at 19:43
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    caissa.com/chess-tools/chess-game-viewer.php allows you to make illegal moves, but have not tested importing pgn. – Mike Jones Jun 18 '16 at 23:50
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    PGN is just a text file, so worst case, you can use a text editor. But that won't help when you try to use chess software to play through one of those games. – Pete Becker Jun 19 '16 at 11:43
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    As others have indicated, Nothing stops you from just writing down illegal moves. PGN by definition is a (somewhat) human + (intended for) machine readable format. Violation of the latter means what you're jotting down is gobbledygook (from the machine's standpoint). I do appreciate the motivation though (having coached 5-7 year olds who used to bring back some horribly written move lists from their OTB games) This would actually be worth writing some fun software for. I can think of some heuristics to suggest "corrections" as well to repair a badly written game into legit PGN. :) – shivsky Jun 19 '16 at 13:26
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    Your question doesn't make sense because as many have pointed out pgn is just text and you can write whatever you like. What do you want to do with the pgn? Just play through the game in an engine? Then save as 2 pgns, one up to the illegal move and second with position after illegal move plus following moves. Do something similar if you want engine analysis. – Brian Towers Jun 19 '16 at 15:43

PGN files are normal text files. You can generate it to somepoint using the software and then save the file, open it in a text editor (notepad, notepad++, ...) and continue editing there.

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  • Well, kind of a solution. I would like to have the support of the machine, and I would like to tell the machine that the one move is the exception. So no, I won't accept that as an answer, thanks anyway. – mliebelt Jun 19 '16 at 15:27

Go to http://www.apronus.com/chess/wbeditor.php and switch to "position setup". On the chessboard act out the full game including illegal moves, it doesn't matter to this interface, and click "animated diagram" and then save the gif file as a record of the complete game. It can be converted later to a video file that can be viewed more conveniently than an animated gif.enter image description here

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  • Looks interesting have to check it out. Thanks! ! – mliebelt Jul 27 '16 at 20:56

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