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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]

💡📝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.

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.

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

Peter Aronson wrote on Sat, Sep 14, 2002 06:47 AM UTC:Excellent ★★★★★

A neat concept for light game! A few questions: <ul><li> Is it allowed for a wormhole to form such that it causes a stalemate? </li><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><li> Can a wormhole be removed in such a way as to put a King in check? </li></ul>

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