chess board and pieces:
1) Six vertical edges form a square chessboard, 36 intersecting points are chessboard positions, each side is connected by eight arcs, usually expressed in two different colors.
2) red and blue sides each 12 pieces.
how to play？
1) the two sides take turns playing chess, and each time they walk around a chess piece.
2) In addition to attack, each chess piece can only move one square along the vertical or diagonal direction, can only move towards empty space;
3) when attack the recipe, it must pass through at least one complete arc.
