perplexus.info :: Games : The Quaker Queens of Chess

The Quaker Queens of Chess (Posted on 2003-06-03)

You have a standard chess board, and as many queens as you need. What is the most queens that you can put on the board so that no two queens can attack each other? What is the formation to put them in?

Keep in mind that a chess board has 64 squares (8x8), and queens can go diagonal, up and down, and left and right.

Submitted by Jonathan Waltz

Rating: 3.3333 (6 votes)

Solution: (Hide)

There can obviously not be more than 8 queens on the chessboard - since there are only 8 rows, the ninth queen would find all the rows "occupied".
Charlie has shown here that having 8 is indeed possible.
Therefore, the maximum number is 8.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
A link to experiment on	jduval	2007-09-02 19:23:38
More Information	Yosippavar	2006-06-20 06:34:55
How about _____?	Captain Paradox	2004-05-10 22:27:32
duh	chuck	2004-02-07 13:00:19
Solution	Lawrence	2003-08-24 18:20:18
re: I don't get it.	Charlie	2003-06-21 17:24:10
I don't get it.	Gary Butler	2003-06-20 20:07:46
re: solution	Charlie	2003-06-03 08:30:47
solution	Charlie	2003-06-03 08:20:48

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (6)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info