Sudoku Articles Tagged "Strategy"
36 articles about Strategy — guides, techniques and strategy.
What to Do When You Reach a Dead End in a Hard Puzzle
A dead end in a Hard Sudoku puzzle almost always means a missed technique, not a broken puzzle. Here…
Jul 05, 2026Identifying and Fixing Mistakes Before They Ruin Your Grid
A wrong digit in Sudoku can propagate silently through the whole grid. Here is how to spot mistakes …
Jul 02, 2026Proven Strategies for When You Get Completely Stuck in Sudoku
Getting stuck in Sudoku is almost always a signal that you missed something earlier — not that the p…
Jun 29, 2026Exploring the Concept of Locked Candidates and Claiming Strategies
Locked candidates is one of the most powerful intermediate techniques — and one of the first you'll …
Jun 26, 2026How to Recognize Hidden Triples and Quads in Expert Puzzles
Hidden Triples and Quads are among the most useful — and most overlooked — techniques in advanced Su…
Jun 23, 2026How to Spot Y Wing and W Wing Patterns in Expert Sudoku
Y-Wing and W-Wing are chain-based techniques that let you eliminate candidates from cells that seem …
Jun 17, 2026Identifying Unique Rectangles and Avoiding Multiple Solutions
Unique Rectangles are a technique that turns Sudoku's 'one solution' guarantee into an elimination t…
Jun 14, 2026Advanced Logic for Tackling Diabolical and Nightmare Puzzles
Diabolical and Nightmare Sudoku puzzles require techniques beyond pairs and locked candidates. Here …
Jun 11, 2026How to Identify and Use Skyscraper and XY Wing Patterns
Skyscraper and XY-Wing are two of the most powerful intermediate techniques in Sudoku. Here is how t…
Jun 08, 2026The Strategy for Solving Medium Difficulty Sudoku Puzzles
Medium Sudoku requires more than scanning — but not as much as most players think. Here is the compl…
Jun 05, 2026Effective Ways to Eliminate Candidates and Narrow Your Choices
Candidate elimination is the core skill in Sudoku. Every technique — from basic scanning to advanced…
Jun 03, 2026How to Fill the First Three Rows of Sudoku Using Logic
The top three rows of a Sudoku grid form the top band — and solving them correctly creates a cascade…
May 31, 2026