Stories

How to Solve Masyu With Black and White Pearls
Masyu is a loop-forming logic puzzle built around two kinds of pearls: black and white. The aim is to draw one continuous line through the grid so that every…
The Translator Behind Croatia’s International Puzzle Events
At an international Sudoku or logic-puzzle tournament, competitors notice the grids, timing system, and rankings first. Less visible is the language work that…
How to Create a Puzzle Timetable for a Weekend Tournament
A well-designed tournament timetable gives every solver a fair chance to perform at their best. It must account for puzzle difficulty, concentration, breaks,…
How Puzzle Categories Shape Tournament Scores
In a logic-puzzle competition, solving the most puzzles is not always enough to win. The final ranking depends on how many points each category provides, how…
How to Solve an Even-Odd Sudoku Without Guessing
Even-odd Sudoku adds a simple layer to the familiar 9-by-9 logic grid. Some cells are marked as even or odd, and every placed digit must satisfy both the usual…
How sleep and nutrition shape puzzle performance
Solving Sudoku and logic puzzles depends on much more than knowledge of techniques. Attention, working memory, visual scanning, patience, and flexible thinking…
Yajilin Solving Tips for Arrows and Numbers
Yajilin combines two kinds of logic: counting shaded cells from directional clues and constructing a single loop through the remaining cells. Every mark…
Color Coding Strategies for Multi-Colored Logic Puzzles
Color can turn a complicated logic puzzle into a structured visual system. In multi-colored Sudoku variants, region puzzles, pattern grids, and other advanced…
Inside The World Of A Croatian Puzzle Collector
For some people, a puzzle is finished when the final answer is written down. For collector Ana Radić, that is when the real story begins. Her shelves hold old…
How to Solve Sudoku Variant With Irregular Regions
A Sudoku variant with irregular regions uses the familiar numbers one through nine, but replaces standard 3×3 boxes with unevenly shaped areas. Each row,…