The Chess Variant Pages
Custom Search



Enter Your Reply

The Comment You're Replying To
H. G. Muller wrote on 2021-01-21 UTC

Oh sorry, I completely overlooked those questions. The latest version of Fairy-Max and WinBoard now are bundled in the WinBoard-AA package.

The pieceToCharTable is how Fairy-Max instructs WinBoard to map piece IDs on images. Each position in the pieceToChar string corresponds to a certain image, starting with Pawn, Knight, Bishop, Rook, Queen, ... and ending with King. First half for the white images (upper-case IDs), second half for the black (lower-case IDs). For an overview of the available images, look here. Images not needed in the game are indicated by a dot. The others by the ID of the piece they represent (a single letter, or letter plus a single quote or exclamation point, the latter only recommended for use when you run out of letters).

Fairy-Max just sends that string to WinBoard, when the variant it describes gets selected. It doesn't do anything with it itself.

There are some special notations in the pieceToChar WinBoard attaches additional meaning to: ^L , with L some piece ID that was already assigned to some other image means the image is for the promoted version of an L (which, in move and position notations, would be indicated as +L). This is needed mainly in Shogi variants; normally WinBoard assumes that the piece that uses the Pawn image promotes to a piece of your choice on reaching the zone (the depth of which depends on the parent variant and board size)


Edit Form

Comment on the page Fairy-Max: an AI for playing user-defined Chess variants

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.

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.