In this lesson, we’ll build the use case diagram for the online chess game system and understand the relationship between its main actor and core functions. First, let’s define the different elements of our chess game, followed by the complete use case diagram of the system.

System

Our system, the Online Chess game, manages a standard chess match between two players over an online platform, strictly following official chess rules.

Actors

Here are the main actors of our chess game.

Primary actors

• Player: The primary and ...