# Math Puzzle . ca - math and logic puzzles

#### Looking for brainteaser puzzles, mensa mind challenges, math puzzles and logic problems?

Welcome to MathPuzzle.ca the home of logic and math puzzles. Choose from hundreds of logic math puzzles
and brainteasers.
Start by
browsing the categories, they are divided into different logic type puzzles.
If you are unsure where to go, click on the random logic puzzle from the top menu.

## BISHOPS--GUARDED.

(

Chessboard Problems)

Now, how many bishops are necessary in order that every square shall be

either occupied or attacked, and every bishop guarded by another bishop?

And how may they be placed?

Read Answer