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Rook + King vs. King

Submitted by turkey_12345act on Sun, 06/21/2009 at 5:19pm.

As I was buzzing around the forums, spreading useless and, in some very rare cases, useful information, I noticed several members of the community expressing their belief that a King + Rook vs. King Endgame is a difficult checkmate. That really shouldn't be, so I'm going to try to help in whatever way a not-so-great player like me can.

Please note: I am NOT a GM. I am NOT always right. While this article will explain how to achieve checkmate with a King and Rook, it MAY not demonstrate the quickest and most efficient ways.

First of all, in my opinion, the most important thing to remember in this type of endgame is to use the rook to restrict your opponent's king's movement. What do I mean?

 

 

 

 

 

 

 

 

 

 

 

 

 

But what from there? Well, always remember to get the opposition. This means that the black and white kings are lined up, to white's benefit. Because white has the opposition, white's king covers the three squares black's king could move to if the rook gives check. The opposition is key to achieving checkmate in this endgame - in all cases, the white king must be directly lined up with the black king.



Another zugzwang that would be good to learn and remember is:

Those are the most efficient methods of checkmate in this endgame that I know of. Please, refrain from sending your hate mail. Laughing If I got something wrong here, please tell me in the comments!!! This way I can change it and I won't mislead readers. I hope that you learned something from this article. Thanks for reading!

P.S. Feel free to rate it with those stars. That is, unless you would rate it less than three stars. =D

» posted in Endgames
 

Comments:

by brianb42 - 7 months ago
Dayton, OH United States
Member Since: Aug 2008
Member Points: 325

I have just this situation in one of my tournament games. Thanks for the refresher on mating with a king and rook.

by mb23 - 2 years ago
Nagoya Japan
Member Since: Jul 2009
Member Points: 11

For me, practicing promoting pawns against a bare king really helped me understand opposition. After that, the rook endgame is really easy. Practicing against the computer is really good idea and you can do that on chess.com at computer workout or just google something like endgame practice. The key position is...

by turkey_12345act - 2 years ago
A Secret Place United States
Member Since: Nov 2008
Member Points: 367

Correct, sharingan! But if you could change your font color to white so that everyone else can have a chance to solve it on their own . . . thanks! :)

by sharingan - 2 years ago
Philippines
Member Since: Dec 2008
Member Points: 42

1.Rf1-Kd8 2.Rc1-Ke8 3.Rc8#

by turkey_12345act - 2 years ago
A Secret Place United States
Member Since: Nov 2008
Member Points: 367

Thanks, Marvin! =D

by Marvin2 - 2 years ago
Sydney Australia
Member Since: May 2009
Member Points: 246

cool article :D

by turkey_12345act - 2 years ago
A Secret Place United States
Member Since: Nov 2008
Member Points: 367

animecrazy: It VERY MUCH depends on the position and whose turn it is. See the diagram below.


So, in conclusion, it's usually best to have the opposition so that the opponent's king cannot move back toward the center of the board. Cases in which this is an exception would be when you are trying to set up a zugzwang or trying to do something that goes far beyond my novice chess player head. =D It's definitely not a good idea when simply trying to corral the enemy king, though.
by animecrazy628 - 2 years ago
Connecticut United States
Member Since: Apr 2009
Member Points: 506

i heard somewhere that keeping the king a knight's move away from the other king is a generally good idea to help coral the king to an edge.  is that true or no?

by turkey_12345act - 2 years ago
A Secret Place United States
Member Since: Nov 2008
Member Points: 367

A very good point, Shivsky! I tried to explain the theory behind that by talking about the opposition, zugzwang, and cutting off squares with the rook, but I didn't have a puzzle like that. That definitely seems like it would help a beginner memorize key patterns. Thanks! :)

by Shivsky - 2 years ago
DFW, Texas United States
Member Since: Jun 2009
Member Points: 2190

Nicely described.  Would like to add that when a beginner ends up learning chess from a dummy like me (yes, I've fooled quite a few people into thinking I know something about this game) , I normally make sure that before they get the RK vs. K checkmate even started, they are capable of solving this Mate in 3 puzzle AND telling me why the key forcing move works. Until they can do it in their sleep, I won't go further with them.

 

This makes them burn in the concept of  "cutting off squares"  that they will use to acheive the conventional RK vs. K mate. What is also cute is when they discover that the first move of the solution can be ANY ROOK move (however useless it appears!!!)

 

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