Topic: help in chess problems: how many queens /bishops can be placed?

Author: apathan@sales.STERN.NYU.EDU (apathan)
Date: 5 Feb 95 04:19:08 GMT Raw View 
How many queens can be placed at once on a chess board without conflict
the others at one time simultanesoulsy: 8 or 9?
Need source codes or algorithmy Please help

Another problem: how many bishop can be place simultaneousl at any given time
8 or 9?  Need source codes or algorithym.

THANKS A MILLION FOLKS.
Please e-mail if possible.
thank you