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Chu Shogi. (Updated!) Historic Japanese favorite, featuring a multi-capturing Lion. (12x12, Cells: 144) (Recognized!)[All Comments] [Add Comment or Rating]
A. M. DeWitt wrote on Thu, May 23 04:37 PM UTC in reply to H. G. Muller from Fri Nov 24 2023 06:34 AM:

Since there are some discrepancies between the current GC preset and the rules that most people have reached a consensus on (mainly having to do with the anti-Lion-trading rules), I will make a new preset that patches them up, and uses sets with larger graphics to make it more user-friendly (specifically, my large Mnemonic pieces, Eric Silverman's 1-kanji pieces, and Bob Greenwade's pictogram pieces, using the XBoard/Interactive Diagram IDs). I also plan on making the preset correctly exclude moves that violate the Lion trading rules when highlighting legal moves.

This new preset will be based on the fairychess codebase and its Chu Seireigi version, and the multi-move code I have in place for the current preset at the time of writing.

Changes coming in new Chu preset (TLDR):

  • New graphics sets used (my large Mnemonic piece set, Eric Silverman's 1-Kanji set, and Bob Greenwade Pictogram set)
    • Uses XBoard/Interactive Diagram IDs
  • Correct exclusion of moves that violate the anti-Lion-trading rules
  • Possibly options for certain game situations
    • First Lion step after final destination: true or false
    • King Baring (uses Shatranj version of the rules for simplicity): true or false