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Red Fool Chess. Standard Chess, but with two extra rows and one semi autonomous piece, the Red Fool.[All Comments] [Add Comment or Rating]
Greg Strong wrote on 2020-01-31 UTC

To clarify all that - this is a multi-move game.  The player that attacks the Red Fool then gets a second move in which he must move it according to these criteria (assuming it has a legal move.)

Amy Johnson wrote on 2020-01-31 UTC

the RF will not move to nor will it attack on any square that is defended by any white or black piece

there is a hierarchy to its movements - empty, undefended square first (choice of player who threatened it), or attack on the lowest value piece that is undefended (in case of more than one of equal low value, choice of player who threatened the RF during his normal turn move)

Amy Johnson wrote on 2020-01-31 UTC

any color piece may threaten the RF and force it to move

Amy Johnson wrote on 2020-01-31 UTC

yes. the RF must move if threatened, unless it has no possible move.

Amy Johnson wrote on 2020-01-31 UTC

yes, if the players move threatens the RF, then the RF moves and that player has a choice of the RF's limited movement options

Amy Johnson wrote on 2020-01-31 UTC

The RF can only move if threatened.  It can not move to defended square.  It will always move to an empty undefended square first (choice of player who threatened it), if it can't do that it will attack the player who threatened it with her choice of lowest value pieces.  If the Fool has no move, it does not move  -it just blocks until either side's move threatens it.  The player who threatens has the only choice of the limited moves available to the RF.

Ben Reiniger wrote on 2020-01-31 UTC

I've just realized I don't actually know when the red fool moves from the text.  I'd assume it doesn't have its own turn, but instead acts as a piece that one of the players can move during their turn?  Must it be moved if it is attacked, and (especially if so) does the player get to move the RF in addition to or just instead of one of their own pieces?  Does "attacked" depend on whose turn it is (i.e., if the RF is attacked only by a black piece, can black move the RF)?

I still don't completely understand "safe"/"either empty or undefended": is there a priority among the three options (an empty and unthreatened square, an empty but threatened square, and an occupied but unthreatened square)?  I guess here "threatened" doesn't depend on piece colors?

Ben Reiniger wrote on 2020-01-29 UTC

Aha, while the Editor's "edit contents" link has appended the uniqid to bypass cache issues, the Author's "edit the contents" link does not.  While I would prefer to have a better solution to cache issues, maybe for now we should also add a uniqid to the Author links.

If I get some time tonight, I'll redo my edits to this page.  (I see the board is back already, at least.)

Greg Strong wrote on 2020-01-28 UTC

And my edit, adding the board graphic is now gone as well, for the second time.


Ben Reiniger wrote on 2020-01-28 UTC

Erm, now my edit is gone.  Did you happen to try to further edit, and get the cached editor fields pulled up?

Amy Johnson wrote on 2020-01-28 UTC

Safe squares for the Fool to move to are either empty or undefended.  I wrote a complete update and rewrite of this page, but my changes were not saved.  Thank you for editing it. A draw game will only occur when the Fool actually delivers the check.

Ben Reiniger wrote on 2020-01-28 UTC

@Amy, I've reduced the repetition of material in each section, and some other light editing.  Please check that it reads alright to you.

Does the RF-checkmate mean any checkmate in which the RF takes some part, or must the RF be delivering check?  What about when the RF "contributes" but is redundant (other pieces cover its attack squares)?  (Maybe these questions don't actually matter, given the RF's restrictions; I haven't thought about any specific position yet.)

You say the RF prioritizes "safe" squares, but from the subsequent discussion it sounds like perhaps you meant "empty"?

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