@startuml
hide empty members
title Concept for a board game framework

class Board
abstract Item
class BoardItem
class PlayerItem
class Player
class Game
class GameRule
abstract RuleException
class PlayerWinException
class PlayerLossException
class GameOverException

Board -- Game
Board *-- BoardItem
Item <|-- BoardItem
Item <|-- PlayerItem
Player --> PlayerItem
Game *-- GameRule
Game o-- Player
RuleException <|-- PlayerWinException
RuleException <|-- PlayerLossException
RuleException <|-- GameOverException
PlayerWinException --> Player
PlayerLossException --> Player
@enduml