Naked Triple
Hard
Used by Smart Hint
Three cells in a unit whose candidates combine to exactly three digits — eliminate those digits from the rest of the unit.
- Cells that establish the pattern
- Where the conclusion lands
- Candidate ruled out
How it works
- A7, C7, and E7 only draw candidates from {2, 4, 9} between them — a Naked Triple, even though no single cell has all three.
- Since those three digits must occupy those three cells, remove 2, 4, and 9 from every other cell in the row — like G7.