I'd like to respond to How to visualize a position by showing a series of moves in algebraic notation, then the board at the point in the game, but hidden in a spoiler tag. This is with the aim of showing a training exercise where the OP can test their visualisation skills compared to the board.

It seems not possible at the moment, so maybe it can be realized as a new feature?


You can upload an image of the board and hide it in a spoiler tag:

>! ![](http://i.stack.imgur.com/SLd01.png)


I don't think it is possible to hide the PGN player in a spoiler tag.

EDIT: I see now that you have used this solution yourself already.

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