Check vs Checkmate, Learn to Play Chess

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Scholar's Mate (The 4-Move Checkmate)

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Check, Checkmate and Stalemate

In chess, if you say checkmate and your opponent isn't checkmated, do you lose? - Quora

Chess: The different variants of the game explained

What Does Check Mean In Chess?

CHAPTER 12 PERPETUAL CHECK Diagram 369 - White avoids checkmate & draws this otherwise losing position by using a Perpetual Check!