Class Diagram for the Chess Game

Learn to create a class diagram for the chess game using the bottom-up approach.

We’ll create the class diagram for the chess game. In the class diagram, we will first design the classes and then identify the relationship between classes according to the requirements for the chess game problem.

Components of Chess

As mentioned earlier, we'll follow the bottom-up approach to designing a class diagram for the chess game.

Box

A Box is a specific position/block on the 8x8 chessboard which is defined by row x and column y, respectively.

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The class diagram of the Box class
The class diagram of the Box class

Chessboard

A Chessboard is the 8x8 board that stores all the current game's active pieces. It is identified by the date of its creation and can be updated or reset.

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The class diagram of the Chessboard class
The class diagram of the Chessboard class

Piece

A chess Piece can only be black or white in color. It might be alive or killed depending on the moves made by the opposition. There can be six types of pieces (Rook, Pawn, King, Queen, Knight, and Bishop derived from Piece) that have their respective moves based on the rules of the game which decides whether they are eligible to move or not.

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The class diagram of the Piece and its derived classes
The class diagram of the Piece and its derived classes

Move

A Move is the displacement of a Piece from one Box to another on the chessboard. It may or may not kill a piece of the opposing player.

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The class diagram of Move class
The class diagram of Move class

Account, Player, and Admin

The Account class is a parent class that has two types: Player ...