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

Home > Numbers
Not so trivial (Posted on 2016-03-18) Difficulty: 4 of 5
In a certain chess position, each row and each column contains an odd number of pieces.

Prove that the total number of pieces on black squares is an even number.

Source: Proizvolov, “Problems Teaching Us How to Think".

See The Solution Submitted by Ady TZIDON    
No Rating

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(2): Parity Solution @BrianBrian Smith2016-03-24 11:44:30
Hints/Tipsre: Parity Solution @BrianAdy TZIDON2016-03-24 11:25:49
Elementary additions. armando2016-03-19 05:27:50
Answer.broll2016-03-19 01:23:15
Some ThoughtsA question.broll2016-03-19 00:50:00
SolutionParity SolutionBrian Smith2016-03-18 23:47:02
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 (8)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information