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Random Wormhole Chess (deleted). Introduces "wormholes" and "toroidal" movement to the game in a fun and manageable way. (8x8, Cells: 64) [All Comments] [Add Comment or Rating]
Peter Aronson wrote on Sat, Sep 14, 2002 06:47 AM UTC:Excellent ★★★★★
A neat concept for light game! A few questions: <p><ul><li> Is it allowed for a wormhole to form such that it causes a stalemate? </li><p><li> Assume a white Pawn on a7, and a wormhole on a8 -- if the white Pawn moves forward, does it end up on a1 without promoting? If so, can it doublemove from a1? What if it moves to a2? </li><p><li> Can a wormhole be <em>removed</em> in such a way as to put a King in check? </li></ul>

Jianying Ji wrote on Sat, Sep 14, 2002 08:07 AM UTC:
Since ALL FIDE laws apply, I would say the answer for the question is 
most likely the following:

1: Fifty move rule, the stalemated player gets to roll the dice and if 
the opponent's roll or one's own removes stalemate before the opponent
manages a checkmate then the game continues otherwise if it is still a 
stalemate after fifty moves then draw (probably extremely unlikely)

2: This is a tricky one, most variants would probably say that definitely
double step allowed for a2 but a1 I'm not sure, though I think it 
probably should be allowed

3: I think that should be a yes

Hope we'll have adrain's take soon

Adrian Alvarez de la wrote on Mon, Sep 16, 2002 09:10 PM UTC:
I would favor the simplest and most consistent solutions to these
problems:

1. If it would cause stalemate, the wormhole is not formed.
2. If a promotion square is a wormhole, the pawn passes through without
promoting. It does not regain its double move.
3. If it would put the King in check, the wormhole is not removed.

💡📝Adrian Alvarez de la Campa wrote on Sun, Jan 15, 2006 04:35 PM UTC:
This variant did not turn out to be very playable, mainly because of the practical impossibility of checkmating the King in the endgame. I have recently modified the rules, making the game simpler but much more playable: 1) There is no cylindrical movement. 2) The King does not move through wormholes; he moves normally, removing a wormhole when landing on one. I wrote a ZRF for it, but due to my very limited programming skills, I could not enforce rules for not placing wormholes when it would allow the King to be captured, etc; and Zillions plays it stupidly.

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