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A nice elegant game!

Gigachess II is ready

White has two rhinos and only one machine in the setup diagram

Probably a problem of spelling. The black setup seems ok!

Thank you. A mistake in the chess board painting tool. It's corrected now.

Published. Corrections are mostly the same as they were for the same text in other games of yours I edited today, though sometimes I thought of a different way of saying something or caught something I didn't catch previously.

Very good. Thanks a lot for your reactivity and help.

Now that I spent some thinking on how to make initial setups cannon-proof, I started worrying about Gigachess. The 4 central files her contain a stack of valuable pieces, which could easily be skewered by the much less valuable Cannon. So a good opening plan seems to be 1. Ec4 ... 2. a5 ... 3. a7 ... 4. Ca5, after which the Cannon has the choice between f5, g5, h5 and i5. This takes only 5 moves, and it will be hard for black to rescue all four central files, by blocking the Cannon's attack with an extra piece, or evacuating them. In fact it is quite hard to get any pieces there at all: it takes two moves to get a Knight to the f- or i-file, while the g- and h-file can only be reached by a Prince in two moves.

Of course when two Knights or Princes can reach these ranks, they could defend against the Cannon attack 'dynamically', by following the Cannon each time it redirects its attack to a new file. But that would still be an easy way for white to force a draw by repetition.

You can find a jocly implementation of gigachess II + Pemba : https://github.com/mi-g/jocly/pull/45

A compile version, easy to install can be downloaded here : http://biscandine.fr/variantes/echecs/dist-gigachessII+pemba.zip

You will notice 6 new fairy pieces : giraffe, wolf, squirrel , crowned rook, crowned bishop and crowned knight (2d and 3d.) https://github.com/fhoudebert/jocly/blob/gigachessII/src/games/chessbase/res/fairy/wikipedia-fairy-sprites.png

Unfortunately the fairy-sprites file is not compatible with the version we use here, which has already 11 pieces added.

this file adds our 6 new sprites : http://biscandine.fr/variantes/echecs/chessvariants-sprites1.png

This file adds yours if you want to test the variants without customizing fairy-set-view.js http://biscandine.fr/variantes/echecs/chessvariants-sprites2.png

To avoid permanent forking it would probably be best to push the first of these to the official github Jocly repository as wikipedia-fairy-sprites.png .

I can only push on my forks and send pull requests. We will see if it is accepted.

May be you could send your sprites on a pull request and I will add mine on top of it. If it is accepted.

Next time I will use this branch to suggest new variants for your jocly : https://github.com/fhoudebert/jocly/tree/timourid/src/games/chessbase Probably zanzibar-s

These sprites 4600*200 behave correctly on gigachess II and pemba : https://github.com/fhoudebert/jocly/blob/timourid/src/games/chessbase/res/fairy/wikipedia-fairy-sprites.png I hope it renders correctly in yours too.

The author, Jean-Louis Cazaux, has updated this page.