Solve a pipe puzzle by deduction, from the corners and edges inward. A real 4×4 board worked pass by pass, and what changes when pipes wrap around.
Blog
Articles about the Tyamka games, how to play them and what the results mean.
- How to solve a pipe puzzle, from the corners in
- Maze generation algorithms, and how to solve a maze once you know how it was made
How computer mazes are generated, from depth-first search to Prim and the growing tree, and why the hand-on-wall rule works in some mazes and not others.
- Mental math tricks for adults, how to tell which result is bigger without the full sum
Mental math tricks for telling which of two results is bigger. Rounding, comparing term by term, the last digit, and where each trick stops working.
- Sum puzzle strategy, where to start and how to solve it without guessing
A step by step way to solve a number grid where you remove numbers until every row and column hits its target, with a worked 4×4 example.