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This page is written by the game's inventor, Yu Ren Dong.

Zones of Action

Inspired from Lines of Action.


For starting position, Stones must be placed on the first row closest to that player. King may be placed in any arrangement on any empty square. White Stone: a1 b1 c1 d1 e1 f1 g1 h1 White King: any empty square Black Stone: a8 b8 c8 d8 e8 f8 g8 h8 Black King: any empty square


Each player has One King and Eight Stones.  

King may jump to any empty square without attacked.

For captruing Opponent's King or moving to an empty square, Stone would
make a (x, y) jump  as  any any-owner stones or Friend's King is in  the
fomer's {x,  y} relative coordinate. (x=0, 1, -1, or 2; y=0, 1, -2, or 2)


1. Players alternate move one of their own pieces. 2. The object of the game is to checkmate Opponent's King. For example d4 Stone lets f5 Stone jump like a Knight. f6 Stone lets f5 Stone step like a Wazir.


ZoA Problem 1 Black to play and mate in one. 1...Stone d3-c4# ZoA Problem 2 White to play and mate in one. 1 King h8-f4# ZoA Problem 3 Black to play and mate in one. 1...Stone f7-f8#

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By Yu Ren Dong.
Web page created: 2010-05-30. Web page last updated: 2010-06-02