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Mystery Chess. An imperfect information variant you can play online with Game Courier.[All Comments] [Add Comment or Rating]
🕸📝Fergus Duniho wrote on Thu, May 7, 2020 03:30 PM UTC:

As the game is programmed, pawns and kings can be mystery pieces, and since it tracks the mystery piece through its location, a promoted pawn would still be a mystery piece if the pawn was. Whether this is per the inventor's intention is another matter, since he didn't program it. Since checkmate has to be done with the assistance of the mystery piece, choosing the king would have the disadvantage of the king being less mobile and so less capable of assisting in a checkmate. Choosing a pawn would have a similar disadvantage unless it got to promote.


Kevin Pacey wrote on Thu, May 7, 2020 04:06 AM UTC:

A question (or two). Can a pawn be chosen as a mystery piece by a player? If so, if that pawn promotes, is the piece it promotes to still considered as that player's mystery piece?

P.S.: It may also be worth asking if a player can choose his king as his mystery piece.


George Duke wrote on Thu, Feb 11, 2016 06:49 PM UTC:
Mystery Chess looks very good CV with strategy to figure out which piece is over-attacking or over-protected and likely to be the Mystery piece. There are only about 30 chess games of incomplete information recorded. Kriegspiel itself and Bario are the best known ones. Betza's I.I. game, <a href="http://www.chessvariants.com/incinf.dir/touring-chess.html">Touring</a>, is just satire not really playable, because there is no way for player to develop what a given fixed tour is, or even part of a tour. Player can only get one move from one cell at a time, according to what the umpire says. As in small percentage about 10% of his games Betza has no serious intent here, just having fun with the idea of turning a "touring move" over to the moderator. Basically in Betza's Touring Chess, a touring move is a nearly random move. Frolov has couple recent imperfect information CVs to look at in another comment. <p>On the other hand, when a strong piece overplayed gets trapped, player can declare a Touring Move and let the Moderator's information get him out of trouble. Yet so far there has been no game played of Touring Chess, so til proven otherwise it can be considered betzan-unplayable -- unlike clever Mystery Chess.

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