Beginner practice
How to Translate Sudoku Solver Notation Into Plain Language
Technical names become less intimidating when each one is translated into a simple relationship.
Topic path
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Explore the How to Learn Sudoku Techniques Without Memorising Everything learning pathSolver discussions often use compact vocabulary because experienced players need to describe a pattern quickly. The words are labels, not extra rules.
Translate each label into a question about cells, digits and units.
Peers and houses
Peers are cells that share a row, column or box. A house is one of those units. “This candidate sees that one” means the two cells share a house and cannot both contain the same digit.
Strong and weak links
A weak link means two candidates cannot both be true. A strong link means at least one of two candidates must be true. These are the building blocks of chains.
Wings
A wing is a small branching pattern built from two-candidate cells. Translate the name into the exact candidates and visibility relationships before drawing the shape.
Fish
An X-Wing or Swordfish tracks one digit across rows and columns. Ask where that digit can go in a few base lines and which cover lines receive the restriction.
Write your own translation
After reading a solver explanation, rewrite it in one sentence without the name. If you can state the units, candidates and elimination, the notation has done its job.
A small checklist
- Translate peers into shared units
- Distinguish strong from weak links
- List wing candidates explicitly
- Track one digit for fish patterns
- Rewrite each technique in plain language
Put it into practice
Open today’s calm challenge
Use one idea from this article on a verified puzzle. There is no need to finish quickly.
Play today’s Sudoku