A naked triple extends the naked pair concept to three cells and three candidates.
Understanding the Concept
Three cells in a house contain only candidates from the same set of three digits.
The cells don't need to have all three candidates - any subset works.
Example: Cells with {1,2}, {2,3}, and {1,3} form a naked triple with digits {1,2,3}.
These three digits are locked to these three cells.
All three candidates can be eliminated from other cells in the house.
Naked triples are harder to spot than pairs because of the subset variations.
Examples
Full Naked Triple
Three cells with {4,6,9}, {4,6,9}, {4,6,9} - eliminate 4, 6, 9 from rest of house.
Subset Naked Triple
Cells with {2,5}, {5,8}, {2,8} form a triple - eliminate 2, 5, 8 from rest of house.
Pro Tips
- •Look for cells with 2 or 3 candidates
- •Check if three cells share candidates from the same set of 3 digits
- •Remember: not all cells need all three candidates
- •Triples create multiple eliminations at once
