Sudoku Logic Course
This course builds expert Sudoku logic skills using graph colouring, chains, wings, and fish patterns. Ideal for maths enthusiasts in Sierra Leone, it sharpens proof-writing, organises thinking, and crafts precise solutions for the hardest grids, boosting problem-solving confidence with clear, repeatable strategies.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain mastery in advanced Sudoku solving through this practical course covering graph colouring, multi-colouring, chains, ALS, and forcing methods. Discover X-Wing, Swordfish, wing patterns, and dynamic tactics, applying them via detailed step-by-step examples. Develop solid logical proofs, perfect candidate lists, and a reliable process to solve hard puzzles confidently.
Elevify advantages
Develop skills
- Advanced chain techniques: construct strong and weak inference chains for swift puzzle resolution.
- Graph colouring expertise: execute single, dual, and multi-colour eliminations effectively.
- Wing strategy proficiency: deploy XY, XYZ, and W-Wings to conquer challenging Sudoku puzzles.
- Fish pattern detection: identify X-Wing, Swordfish, Jellyfish, and finned variants rapidly.
- Rigorous proof construction: validate eliminations via parity, contradiction arguments, and ALS methods.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workloadWhat our students say
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