Check out Atomic Chess, our featured variant for November, 2024.

Enter Your Reply

The Comment You're Replying To
Nasmichael Farris wrote on Mon, Nov 8, 2004 06:05 AM UTC:Excellent ★★★★★
How many Alice Chess games have been played at the ChessVariants Courier Play by e-mail system? Any favorites from the players here? I would like to correct myself in terms of the knight tour for Alice--the bishops can move forward and backward past the 'goal square' -- like parallel parking a car- -- and thereby hit any square on both boards. But the knights are a bit more trouble mentally, to hit a square on either board. It seems like the piece, on a tour, having hit every other square in the tour once, could shift the pathway and set about coming back to the target mirror squares. If a note from George Jelliss at the website http://www.borderschess.org/KTfeedback.htm is used in reference to an algorithm for normal 64 square chessboards-- --'It is in fact possible to devise rules that will produce an exact tour, without deviation from the rule at any point, and without backtracking. In Chessics #22 (1985) I gave four examples of such 'Synthetic Tours'. They use Warnsdorff's rule ('Play the knight to a square where it commands the fewest squares not yet used') in conjunction with either the Obtuse rule ('Play the knight at as obtuse an angle as possible to the previous move - straight if possible') or the Acute rule ('Play the knight at as acute an angle as possible to the previous move'). The second rule either takes over when Warnsdorff's rule breaks down (I write these rules WO and WA), or the second rule is applied to the choice of moves suggested by the first rule (I write these rules W/O and W/A). The four combination rules all work if the tour is started a1-b3'-- then perhaps the idea could be extrapolated to the Alice boards. I have not yet done so today, but I aim to try. That would mean that the square is a WHOLE TOUR at most from that mirror square, and so would be useless for most short games, but something to consider. (Most games are so far much shorter than a corresponding 'FIDE Standard' game counterpart.) Or again, now that I am sitting still thinking about it, perhaps you are right. Again, thanks to all for their contributions.

Edit Form

Comment on the page Alice Chess

Conduct Guidelines
This is a Chess variants website, not a general forum.
Please limit your comments to Chess variants or the operation of this site.
Keep this website a safe space for Chess variant hobbyists of all stripes.
Because we want people to feel comfortable here no matter what their political or religious beliefs might be, we ask you to avoid discussing politics, religion, or other controversial subjects here. No matter how passionately you feel about any of these subjects, just take it someplace else.
Avoid Inflammatory Comments
If you are feeling anger, keep it to yourself until you calm down. Avoid insulting, blaming, or attacking someone you are angry with. Focus criticisms on ideas rather than people, and understand that criticisms of your ideas are not personal attacks and do not justify an inflammatory response.
Quick Markdown Guide

By default, new comments may be entered as Markdown, simple markup syntax designed to be readable and not look like markup. Comments stored as Markdown will be converted to HTML by Parsedown before displaying them. This follows the Github Flavored Markdown Spec with support for Markdown Extra. For a good overview of Markdown in general, check out the Markdown Guide. Here is a quick comparison of some commonly used Markdown with the rendered result:

Top level header: <H1>

Block quote

Second paragraph in block quote

First Paragraph of response. Italics, bold, and bold italics.

Second Paragraph after blank line. Here is some HTML code mixed in with the Markdown, and here is the same <U>HTML code</U> enclosed by backticks.

Secondary Header: <H2>

  • Unordered list item
  • Second unordered list item
  • New unordered list
    • Nested list item

Third Level header <H3>

  1. An ordered list item.
  2. A second ordered list item with the same number.
  3. A third ordered list item.
Here is some preformatted text.
  This line begins with some indentation.
    This begins with even more indentation.
And this line has no indentation.

Alt text for a graphic image

A definition list
A list of terms, each with one or more definitions following it.
An HTML construct using the tags <DL>, <DT> and <DD>.
A term
Its definition after a colon.
A second definition.
A third definition.
Another term following a blank line
The definition of that term.