An Instructive Endgame

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10th January 2009, 02:49pm
#1
by nimzovich
United States
Member Since: Jun 2008
Member Points: 742

In the July 1979 issue of Chess Life (called Chess Life & Review in those glory days), columnist Andy Soltis provided the following problem:

White is to mate black but cannot move his rook until the final mating move. This can be done within a dozen or so moves. (Sure, white can win sooner without restrictions.)

Unlike many non-standard problems, this one holds instruction in which, Soltis notes, the novice discovers the value of king opposition, though it may take hours of trial and error.

10th January 2009, 03:47pm
#2
by TonightOnly
Phoenix, AZ United States
Member Since: Jun 2007
Member Points: 1521

Wow, that is terrific! That took me a while to get.

Thanks for posting, that really is very instructive.

10th January 2009, 07:09pm
#3
by Tiger-13
Sydney Australia
Member Since: Dec 2008
Member Points: 1277

i agree with tonightonly, extremely instructive...XD

10th January 2009, 07:25pm
#4
by shane97
California United States
Member Since: Nov 2007
Member Points: 1001

cool

10th January 2009, 07:33pm
#5
by kungfoodchef
vigrinia United States
Member Since: Jul 2008
Member Points: 260

neato thanks for the post

10th January 2009, 07:41pm
#6
by Eli
United States
Member Since: Aug 2007
Member Points: 208

Do the first five moves need to follow that line exactly? Can't the opposition be regained?

10th January 2009, 09:33pm
#7
by nimzovich
United States
Member Since: Jun 2008
Member Points: 742
Eli wrote:

Do the first five moves need to follow that line exactly? Can't the opposition be regained?


Thank you for the question.

Can you please clarify; Do you mean regained opposition by white or black?

10th January 2009, 11:19pm
#8
by Eli
United States
Member Since: Aug 2007
Member Points: 208

By white.

11th January 2009, 12:43am
#9
by Cavalierlibre
Ariana Tunisia
Member Since: Aug 2007
Member Points: 439

Very instructive!!! always get the opposition of the kings !

11th January 2009, 12:47am
#10
by Hoklanie
South Korea South Korea
Member Since: Jul 2008
Member Points: 206

Excellent practice for keeping opposition.  Thanks for the post.

11th January 2009, 12:53am
#11
by popop
California United States
Member Since: Nov 2008
Member Points: 9

why move the white king so odd?

11th January 2009, 01:14am
#12
by Puydtje
Merelbeke Belgium
Member Since: Jun 2008
Member Points: 330

Very instructive. Thank you for posting this

11th January 2009, 02:22am
#13
by andrisp
Rīga Latvia
Member Since: Jan 2009
Member Points: 36

I have the same question - why the first moves are so odd ?

11th January 2009, 05:23am
#14
by einstein_69101
Nebraska United States
Member Since: Dec 2007
Member Points: 5331

I will give my best shot at explaining this one.  :)  This is a nice puzzle!  :)

 

White wants too keep an odd number of spaces between the white king and the black king when both kings are on the same file (g- or h-file) after white's turn has been completed.

 

When the black king is on the h-file then white may choose to go to the f-file only if there will be an even number of ranks in between kings after white completes the move.


Black has the same goals.  But black wants these situations to occur after black's turn rather than whites.  :)

 

 

11th January 2009, 05:59am
#15
by Atinau
Jerusalem Israel
Member Since: Oct 2008
Member Points: 123

thank you very much. very helpful :)

11th January 2009, 07:31am
#16
by nimzovich
United States
Member Since: Jun 2008
Member Points: 742

Bravo, einstein_69101.

Thanks for the additional comments.

11th January 2009, 11:38am
#17
by popop
California United States
Member Since: Nov 2008
Member Points: 9

ahhh! thanks so much.

11th January 2009, 11:53am
#18
by TroyVincentAllenBurn
Somerset, Pennsylvania United States
Member Since: Apr 2008
Member Points: 302

nice...i learned that from my dad

11th January 2009, 01:54pm
#19
by nimzovich
United States
Member Since: Jun 2008
Member Points: 742
TroyVincentAllenBurn wrote:

nice...i learned that from my dad


Sharp dad! Seriously!

11th January 2009, 02:00pm
#20
by nimzovich
United States
Member Since: Jun 2008
Member Points: 742

IM Silman has a similar instructive exercise in his book "How to Reassess Your Chess".

In this exercise with merely two kings, white to move has the task to reach the f8, g8, or h8 squares.

I will not replicate the solution; the book is worth purchasing for this AND much more!

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