Best of luck with this; defining the problem in this case seems almost as hard as devising a solution, perhaps even harder.

There's an excellent introduction to chess problems on the British Chess Problem Society website, it suggests that a good problem consists of six basic elements:

  1. a position
  2. a stipulation
  3. one or more intended solutions
  4. difficulty
  5. a theme
  6. originality

Anyway, I'm interested in what bugs you think might exist in Chess.pm - can you give an example?

In reply to Re: Chess Moves by EdwardG
in thread Chess Moves by artist

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