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"Enter Null Move" and null move support - feature request!

Please add "Null Move" support for LiChess studies. It would save me a lot of time! Currently if you import a PGN file with null moves, the error message mentions that LiChess does not offer null move support (before it didn't even give us this feedback).

I very often analyze stuff in ChessBase, and then copy and paste it into a LiChess study. It's a great workflow except if you use null moves.

In ChessBase I use "enter null move" a lot to demonstrate plans. Because LiChess does not offer null move support, I have to erase all the null move variations.

Null move support would really save me a lot of time, and it's a useful feature for people entering games into lichess studies from a notation pad, for missed moves... used for teaching etc.

I assume that there's a reason for not having null move support, or other newer PGN features, like maybe you would have to redo too many things. But if it's just a matter of prioritizing feature add-ins, it will definitely help me out a lot!

Also if you do add null move support, please consider a simple keyboard shortcut - extremely helpful for people demonstrating a plan.

By the way - pro tip for ChessBase users. In the ChessBase board window, go to keyboard shortcuts, and replace the enter null move shortcut so it's the "z" key. Much better than Control Alt 0 or whatever it is by default.
The problem is that there is no null move in PGN standard.

Some software violate the standard and use their own implementation, which isn't unified across programs.
I think Chessbase, SCID use "--", ChessAssistant/Aquarium "Z0", there is also "0000" and maybe others.
You could allow several implementations when doing import, but this wouldn't work when you do the export.
I do believe the most common implementation for null move is the - - . Which should be easy to implement for importing and export games.

Still if it is necessary to correct it, everybody can open the pgn in a text editor and edit it...
YES!

Fritz, Chessbase, and SCID software allows null moves which is two hyphens (--). I have many databases I have imported into lichess and it's a pain to modify everything for it to import.

Example format:
15. Nb3 Nd7 16. -- Ba6

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