1. ChessBoard
   1. (10, 9)
2. SituationManager
   1. handIndex2Situation
3. Situation
   1. index2PieceIndex
   2. movePieceIndex2PreIndex
   3. Move(fromIndex, toIndex)
4. PieceIndex
   1. Red
      1. 1 ~ 16
   2. Black
      1. -1 ~ -16
5. PieceType
   1. Pawn
      1. 5
   2. Cannon
      1. 2
   3. Rook
      1. 2
   4. Knight
      1. 2
   5. Minister
      1. 2
   6. Guard
      1. 2
   7. King
      1. 1
6. ChineseChessCamp
   1. None
   2. Red
   3. Black