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Game technique · Sudoku

Alternating Inference Chains in Sudoku

Follow a chain of alternating strong and weak links to connect candidate statements.

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How it works

Follow a chain of alternating strong and weak links to connect candidate statements.

Example

When either end of a valid chain forces the same result, eliminate candidates that conflict with both ends.

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Alternating Inference Chains in Sudoku

Key point

Follow a chain of alternating strong and weak links to connect candidate statements.

🎮 Play Sudoku →