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3-State Chess

Pieces can be healthy, wounded, or dead
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The complexity of chess will be blown far beyond the capabilities of computers once pieces are not "captured" by the first attack, but merely "wounded".

Once wounded, a piece is *not* removed from the board; however, its movement becomes impaired. Wounded pieces can be indicated by lying them down on the board. (This also presents new opportunities to craft beautifully styled chess pieces that look like something even when lying horizontally)

The attacking piece doesn't move onto the defender's square unless the defender is killed.

Pawn: Once wounded, it can no longer capture. However, it can still move straight ahead one square at a time. (If a wounded Pawn reaches the 8th rank and gets promoted, its wounds are removed.)

Knight: A wounded Knight cannot leap forward or backward; only side to side. (e.g. four of its eight original possibilities are removed)

Bishop and Rook: If wounded, they can only move at most two squares at a time.

Queen: Loses her horizontal and vertical abilities; e.g. becomes like a bishop.

King: If the King is wounded, he is paralyzed and cannot move (although the game is not over yet!) An attack on a paralyzed King is checkmate unless a defender can be interposed or the attacking piece is instantly captured/wounded to the point of no longer being in an attacking position.

phundug, Nov 01 2011

Disguise_20chess [hippo, Nov 02 2011]

[link]






       Ooh, can the knights have removeable limbs, and then threaten to bite our kneecaps off?   

       Can the rook be reduced to a shrubbery?
RayfordSteele, Nov 01 2011
  

       In Chinese Chess, the horse actually can be blocked: It normally moves like a knight but it can't move forward if something is directly in front of it.
phundug, Nov 01 2011
  

       What happens to the attacking piece? It returns to its previous square?
rcarty, Nov 01 2011
  

       Someone invent an idea for russian doll chess.
rcarty, Nov 01 2011
  

       //What happens to the attacking piece? It returns to its previous square?//   

       Yes, the attacking piece doesn't move unless the defender is actually captured.
phundug, Nov 01 2011
  

       Instead of lying down, wounded pieces could be dipped in blood, which could be washed off later. I like the idea of blood all over the chess board.
tatterdemalion, Nov 01 2011
  

       The rules should be modified that a piece can only be killed outright if there is no other available move for it. If there is an available move then the piece is merely wounded.   

       This is especially important in the case of the king that has been wounded in a surprise attack. I assume it isn't necessary to call check in this modified version as that would surely make it more difficult to wound the king. Once the king has been wounded check can be called or ultimately checkmate if there are no other moves.
rcarty, Nov 01 2011
  

       [+] But why the complex rules for how wounded pieces can move? Couldn't you just demote the pieces according to their conventional ranking (queen=> rook=> bishop=> knight=> pawn=> dead)   

       (You'd still need the "paralyzed king" rule, though.)
mouseposture, Nov 01 2011
  

       That's a cute idea [mouseposture]. One strategy in that game would be to place your bishop within knight's reach of your opponent's king. Then he could never attack your bishop because it would be placing his own king into check.
phundug, Nov 02 2011
  

       [rcarty] Oh, OK then... (see link)
hippo, Nov 02 2011
  
      
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