All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Probability
Random Chess Pieces Poser (Posted on 2016-08-29) Difficulty: 3 of 5
A queen, a rook and a bishop are randomly placed on distinct squares of an ordinary chessboard. Find the probability that:.
(i) The queen is under attack from either the bishop or the rook.
(ii) The bishop is neither under attack from the queen, nor under attack from the rook.

No Solution Yet Submitted by K Sengupta    
No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)
re: computer aided solution | Comment 2 of 6 |
(In reply to computer aided solution by Charlie)

Just out of curiosity, does this take into account the bishop blocking the rook, or the rook blocking the bishop in part 1, or the rook blocking the queen in part 2?


I decided not to try this by hand when I noticed this wrinkle.

  Posted by Jer on 2016-08-29 21:23:12
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
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:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information