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This item is a game information page
It belongs to categories: Orthodox chess, 
It was last modified on: 2020-01-30
 By Aurelian  Florea. Apothecary Chess-Modern. Large board variant obtained through tinkering with known games.[All Comments] [Add Comment or Rating]
Fergus Duniho wrote on 2020-05-26 UTC

The Joker's entry to the board works similarly to optional Pawn promotion. After moving a previously unmoved piece, it may be placed on the board in the space vacated by the piece just moved. It is not necessary to use continuemove, because there are only two options: moving the Joker to the vacated space or not moving it. The ask command is the appropriate one to use. In using it, here are the things to check. First, check whether the Joker is still off-board. If it isn't off-board, it has already been moved to the board, and there is no need to check whether the player wants to move it to the board. If it's still off-board, check how many turns have passed. If too many turns have passed, you can stop there, perhaps even removing it to indicate that it is no longer available. If there is still time to drop it, check whether the question has been answered and whether it is the latest turn. If it has not been answered, and it is the latest turn, you can use the ask command. But if it has been answered, or it is not the latest turn, this command should not be used.