Sudoku Logic Course
This course equips you with advanced Sudoku solving skills using graph colouring, chains, wings, and fish patterns like X-Wing and Swordfish. Ideal for maths enthusiasts and professionals, it enhances proof-writing abilities, logical structuring, and creates elegant solutions for the most difficult grids, building precision and speed in puzzle-solving.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
Gain expertise in advanced Sudoku techniques through this practical course covering graph colouring, multi-colouring, chains, ALS, and forcing chains. Master X-Wing, Swordfish, wing patterns, and dynamic tactics with detailed step-by-step examples. Develop precise candidate marking, logical proofs, and a reliable process to solve challenging puzzles confidently.
Elevify advantages
Develop skills
- Master advanced chain logic to construct strong and weak inferences for quicker puzzle solves.
- Excel in graph colouring techniques including single, two-colour, and multi-colour eliminations.
- Apply wing pattern strategies such as XY, XYZ, and W-Wings to tackle hard Sudoku puzzles.
- Identify pattern-based fish like X-Wing, Swordfish, Jellyfish, and finned variants rapidly.
- Construct formal Sudoku proofs using parity arguments, contradictions, 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 workload.What our students say
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