The Four Queens


after Martin Gardner

Home / Puzzle Playground / Puzzles / Chess 'n' Checkers /

Place four chess queens on a 7x7 chessboard so that all vacant cells are under attack, and no queen attacks another.

A vacant cell (or a queen) is under attack when it is in the same row, column or diagonal with at least one of the queens.

You may print out the board and use four coins as queens. For printing the
Print 'n' Play PDF Version of the puzzle can be downloaded.

Last Updated: September 20, 2005
PDF Version (57 KB)

Step Through:

The 7 Knights Problem   Six Knights
< Previous Next >
Discover More

< Home   |   Our Privacy Policy   |   About Puzzles.COM   |   Link to Us   |   Contact Us
Copyright 1995-2005 ThinkFun Inc. All Rights Reserved.
ThinkFun - Everybody plays.