"Downy If logic puzzle chess" is a puzzle game that uses chess pieces. I can enjoy without knowing the chess rules.
The black piece on the board outside, is the purpose of that is arranged on the board to fit the conditions game. Only black piece is the move. Already white piece that is on the board is fixed. The numbers attached to the frame, the frame represents "some take the enemy piece", crown mark represents that "can take the enemy of King". From the motion how these tips and pieces, I will explore the correct position of the black frame. In addition, because it does not put the piece in the mass that has been painted red caution!