The most important word associated with chess is checkmate. It is how a player either wins or loses the game. Therefore before you explain the other rules of chess to kids, start with the most basic knowledge of checkmate, so that they know what they need to know in order to win the game.
You can set many different examples on your chessboard to better explain the concept to the kids to make it more interesting for them. This online chess session is extremely helpful for kids and can be used as chess lessons for beginners.
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