Here's a problem I found interesting:

On a 8x8 chess board- place 8 queens in, which none attack each other.

A nice little application I found on engineering.com below, xD

http://www.engineering.com/content/community/puzzles/game_files/queens/queens.htm

done

it was a cool app ninja bear

 

We've seen this many times now.

tonightonly7 wrote: We've seen this many times now.

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Not surprised ^^

I got it, but how does one go about this mathamatically?

Let me make an interesting comment speaking of math. If you position the eight queens, then take that group, and try to position 8 groups of 8 queens on a board without any of them en prise. Those groups will be in the same shape as the individual queens. Ah, self-similar shapes. Makes me think of the good old English coast and how no one knows how long it is...

what if chess turned into a pacifist game and the object was to coninuously move pieces without attacking the enemies, and you couldn't ever move your pieces backwards or have repetitions...I think that would get pretty difficult quickly.

JuliusH wrote: what if chess turned into a pacifist game and the object was to coninuously move pieces without attacking the enemies, and you couldn't ever move your pieces backwards or have repetitions...I think that would get pretty difficult quickly.

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I know there are some versions of chess where different rules are made up, for example, "hostage chess".

 

There's one I made up and played with a few people (it might exist already with a different name) where the object of the game is to checkmate but only like-pieces can capture each other (i.e.: QxQ's RxR's pxp's NxN BxB). Another version was only pxp's allowed.

 

I'm not sure if pxp is the correct notation for pawn takes pawn- someone correct me if it's wrong...

can someone tell me the answer to this puzzle?.

the 8th one always attacks the first

yay I found one!

In terms of mathematics the question is rather: "how many different  setups are there that follow the above conditions".

"I'm not sure if pxp is the correct notation for pawn takes pawn- someone correct me if it's wrong..."

It's PxP

i got it but it took me a while. cool puzzle ninjabear

i don't like the angle i got on the chess board.

http://en.wikipedia.org/wiki/Eight_queens_puzzle

man took me some time...

nice

There are 92 different solutions for it.

I did it, I used all white queens!