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Growing and Shrinking: Playing with the Size of Chess Pieces. Playing with the Size of Chess Pieces.[All Comments] [Add Comment or Rating]
Robert Price wrote on Fri, May 2, 2003 08:58 AM EDT:
The game Edge Chess, by Mitch Martin, might be added to this discussion. In that game, a piece that can move to a (single) square is also allowed to 'expand' and occupy surrounding spaces as well. In this way, any piece on any move can become what appears to be a twofold or fourfold piece. An enlarged piece is vulnerable (since it can be captured on any of the squares it occupies) and maneuverable, having the ability to use any of its occupied squares as a departure space. Effectively, the piece shrinks to normal size, then moves, then has the option of expanding again, which is an alternative behavior to the two- and fourfold pieces described in this article. As a result of the size-shifting, Bishops are not colorbound, and Pawns can move unusually quickly across the board by always expanding into the next square forward.

Also, the large variant Microorganism Chess by Mark E Hedden and Bryan Weaver contains an Amoeba piece (of which each player has two). To quote:

They move either as a bishop or jump 3 spaces like a rook. But, it has one unique characteristic. It can expand from being a piece that takes up 1 square to a piece that takes up two squares orthoganally next to each other. However, both of these squares must be empty in order for it to be able to expand. Once expanded, it can take two pieces in the same turn, and generally be very dangerous. Also, it can, once expanded, contract back to its original size.
I presume that the entire width-two path of the expanded Amoeba has to be unoccupied when it wants to move as a bishop. So, the Amoeba in its expanded form is an example of a true twofold piece.

Antoine Fourrière wrote on Fri, May 2, 2003 12:20 PM EDT:
My incoming variant, Chess on a Larger Board with not-so-few pieces dropped, tries to graft on my favorite 12x8 pattern a variety of rather different pieces, like David Howe did in Chess on a Longer Board with a few Pieces Added, which features the Wall.
My two-square piece is a Golem (nothing to do with Golem Chess). When another of my pieces, the Wizard, is taken by a Pawn, the Pawn and the Wizard form a two-square diagonal piece, whose both parts, which must remain connected, move first on the symmetrical square on the same rank, which need not be empty, and then one square diagonally. (Thus the Golem's path is both side-changing and color-changing.)
A Golem has up to nine moves. For instance, a Golem on c2 and b3 (the files are indexed from y to j because the starting array on the eight central files is duplicated from Orthochess) may move as:
c2 to g3, and b3 to f2, f4, h2 or h4
c2 to g1, and b3 to f2 or h2
c2 to h3, and b3 to f2 or f4
c2 to h1, and b3 to f2.
The Golem captures by replacement, and is captured when either of its parts is captured. (Which comes fast, because it is created anywhere on the board, and is not as well guarded as the Wall, but otherwise the owner of the Wizard wouldn't allow the formation of an enemy Golem.)
Of course, the Golem could have been devised to move first on the symmetrical square on the same rank, and then one square orthogonally. There would still be nine moves, and the Golem's path would be colorbound. (Actually, it is nearly colorbound. It has to cross the center files before reaching a square of the opposite color on the same side of the board.)

Claudio Martins Jaguaribe wrote on Fri, Dec 4, 2009 01:18 PM EST:
Look to me that a twofold rook exists in two kinds:

1- A a1a2 rook that is twofold when moving N-S, but singleton when moving E-W;

2- A a1b1 rook that is twofold when moving E-W, but singleton when moving N-S.

Am I right? Or the twofold rook is a1a2b1b2 piece, like the dev.

Hugs.

Joe Joyce wrote on Fri, Dec 4, 2009 07:47 PM EST:
Hey, Claudio, I think the wall would, since it is 1x2, move as either a single or double-width rook, depending on its orientation. It's not necessary, but that's the simplest, most logical answer.

Be interesting to hear from other people about bigger pieces - I know there are more multi-square pieces out there. Jeremy Good was experimenting with them a couple of years ago, and about that time I developed chesimals.

Claudio Martins Jaguaribe wrote on Tue, Dec 15, 2009 12:59 PM EST:
Thanks Joe!

I've been thinking about a Godzilla/Cloverfield variation, a monster x an army (Elephant Hunt is the general idea). But, as in Cloverfield, the monster can leva 'fleas' that fight the army.

hugs.

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