Promote to Knight Chess Puzzle - SparkChess

There are cases where an underpromotion would be useful. Here's a position in which White is in trouble, that not even a promotion to Queen would solve.

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Pawn promotion puzzles in chess 1 to 10

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What is the name of the chess puzzle that requires a white pawn to

Promotion (chess) - Wikipedia

Best Seven Chess Openings for Beginners (Part One) - SparkChess

Promotion: Knight

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What is the name of the chess puzzle that requires a white pawn to