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Excelling at Chess Calculation
Reviewed by Rick Kennedy
 

by Jacob Aagaard

Everyman Chess, © 2004

Softcover, 192 pages

ISBN: 1857443608

Figurine Algebraic Notation


A tourist wanders the streets of Manhattan, finally asking a passer-by, “How do you get to Carnegie Hall?”  The answer arrives with a knowing smile.  “Practice,” says the New Yorker, “practice!”

You knew that was coming, didn’t you?

So, club player that you are, one day you pick up Jacob Aagaard’s new Excelling at Chess Calculation – maybe you know him from his well-received Excelling at Chess (2001), or you’ve heard of his more recent titles, Excelling at Positional Chess (2003), Excelling at Combinational Play: Learn to Identify & Exploit Tactical Chances (2004), Excelling at Technical Chess (2004) or even his DVD Basic Positional Ideas (2004), or CDs, Attacking Chess 1 & 2 (2004), and Right Decisions [with Lund] (2004) – and you drool over the back cover, which inspires you:

…[T] he art of chess calculation is the absolute key to the success of a player.  Master this discipline and you can surely expect your results to improve dramatically.

You thumb through the Introduction – with the book at almost 200 pages and priced under $25 why not? – and you’re cruising along (hmm, this Aagaard can write) when you hit the mother lode:

In this book I have tried to give a good overview, to lay out some useful tools, and to explain how we can train to improve our calculation.

Yes!  Gimme them tools!  Teichman’s fabled “99% of chess” gets cleared away with just one book!  Come to Pappa...

Wait a minute. “Train?”  What’s he talking about?  You read a little bit further

For those frightened by analysis, this book will be a true horror story.

Gulp!

But it is impossible to study tactics without once in a while venturing into analysis, to understand what we are really dealing with.  For my other books I have generally refrained from long variations and tried to explain everything with words.  But here it was the variations themselves that needed to be explained.  Also, for those interested in working with this book seriously, it will be an advantage to be able to follow the author’s reasoning more closely…If the current book inspires you to do more work on calculation and decision making, then the CD [Right Decisions] would be a good place to continue.

Sigh.  You knew that was coming, didn’t you?

Say – maybe that DVD Aagaard made would be easier, you know, than the book…

Still there?  Good.  The International Master, chess coach, and prolific author knows what makes a good chess mind tick (if his Excelling series is not enough proof, check out his Inside the Chess Mind, 2004) and he really does want to share his wisdom.  Here’s what Excelling at Chess Calculation has to offer:

      Bibliography
      Introduction
1.   Before you can think, you need to learn how to see
2.   Candidate Moves
3.   When is the right time to Calculate?
4.   Important Thinking Techniques
5.   Visualization and Stepping Stones
6.   When it is time to calculate
7.   Creativity and Combinational Vision
8.   How to Train Calculation
9.   Exercises
10. Solutions

Aagaard knows that the task of improving the skill of chess calculation can be a challenging one, and that not all chess resources are immediately helpful to the average pawnpusher.  He even acknowledges that his hero, Dvoretsky, may be over the heads of some:

The problem for most chess players wanting to improve their results is that books are aimed at a level above which they currently perform; there are certain abilities they need to acquire before they can benefit fully from complex calculation tools such as the method of comparison or the tree of analysis.

For example, in touching on Kotov’s landmark Think like a Grandmaster, the author makes the point that it makes little sense to investigate how to develop a “tree of analysis” based on the “candidate moves” (he also likes “candidate ideas”) in a position, if the chessplayer doesn’t know how to properly arrive at those “candidates” in the first place.  To that end, it is most important, he maintains, not so much to see many moves ahead in any position, but to first see the position for what it is and what it has to offer.  When calculating, one ought to first “calculate wide, not deep.”

And when to calculate?  At different critical moments in the game, starting with when the game leaves established opening theory. And at critical points:

The key idea is that there is only so much we can achieve through positional operations and at some point we will have to calculate at least a little in order to decide the game in our favor. This is often best done at the exact moment when you cannot improve your position as much as the opponent can improve his.

In the first eight chapters of Excelling at Chess Calculation, Aagaard presents and discusses about 80 positions or chess games.  He cautions readers about the dangers of assumptions – how they blind the player to dangers or resources.  He illustrates and discusses desperados, domination, creativity, chess vision, comparison, elimination and prophylaxis.  He acknowledges that sometimes you have to force yourself to be concrete in your calculation.  He encourages that sometimes you have to calculate “more slowly” -- checking out every legal move in a position to make sure you don’t miss anything.  Arguing that “calculating long lines is just like calculating short lines, only it takes more time,” he refers to Jonathan Tisdall’s idea of creating “stepping stones” (from Improve Your Chess Now!) to help you move along through your visualization.

Throughout, the author holds to his belief that you improve your calculation by wrestling with candidate move problems (he recommends Gaprindashvili’s new Imagination in Chess as well as his and Lund’s Right Decisions CD); working thorough combinations (he likes his Excelling at Combinational Play, of course but he admits that older collections, while not computer-checked and hence with errors, are useful); tackling pawn endgames (he lauds Lamprecht & Miller’s Secrets of Pawn Endings), solving studies, and analyzing complicated positions (in Dvoretsky’s books, or Jacob’s Analyse to Win).

The final two chapters of the book include a selection of 100 of such challenges, with solutions.  Aagaard wants you to work hard on this training section.  He provides a grading system for the Exercises: you get 1000 points for completing the chapter, and the highest you can score is 2700.  He lightly admits that this will shortchange highly-rated super-GMs like Kasparov, and points out that 1000 is the lowest rating in Denmark: if you are the worst player, you will still score 1000 on the Exercises.  Three examples:
 









1. White to play and win
 









2. White to play and draw
 









3. White to play.
Calculate all variations after 30.Rxf7!
Refute as many as you can.
 

Those who know of Aagaard’s set-to with John Watson (starting with taking on Secrets of Modern Chess Strategy in his Excelling at Chess) will find him a bit more reserved in Excelling at Chess Calculation, but he has not completely sheathed his claws:

I do not wish to continue my discussion with Watson here, but simply to make it clear to everybody that the antithesis of what I am saying is not its direct opposite.

In discussing how to identify “critical moments” in a game, and two books that address the topic, The Method in Chess and The Critical Moment, Aagaard can hardly let another author off the hook:

It is a pity that Dorfman chose to present his theory as a rigid algorithm and explain it with badly analysed and badly explained examples..

I’m inclined to agree with Aagaard that for advancing and strong club players, working though Excelling at Chess Calculation is a good way to accomplish just that.

Solutions to the three Exercises:

#1:  1.Qxe8 Kxe8 2.g7 Nxd3 3.g8/Q+ Ke7 4.g6

#2:  1.Kg5 e2 2.h6 e1/Q 3.h7 Qe3+ 4.Kg6 Qxh3 5.h8/Q+ Qxh8 6.h4 Qxh4 stalemate (6…Qxf6+ 7.Kxf6 stalemate)

#3: Work this one out on your own; Aagaard would appreciate your effort.

Oh? Are you still here?  Did that “Train” thing in the beginning of this review scare you away from Aagaard?  Sorry.  My bad.  You still have to calculate, you know.  Try Silman’s How to Reassess Your Chess and see if that helps. Look at C.J.S. Purdy’s writings in The Search for Chess Perfection and see if his method of thinking is useful to you.  Enjoy Soltis’ The Inner Game of Chess: How to Calculate and Win – it’s a keeper.  Sooner or later, though, if you strive after excellence, when you’re ready, you’ll come back to Aagaard.
 

 

From the publisher's website:  Jacob Aagaard is a young International Master from Denmark who has carved out a deserved reputation as a diligent and outspoken chess author. His earlier opening manuals, such as Dutch Stonewall and Easy Guide to the Sveshnikov Sicilian, have been widely admired for the clarity of their approach.

BOOKLIST

  • Excelling at Positional Chess: How the Best Players Plan and Manoeuvre 185744325X
  • Queens Indian Defence 1857443004
  • Meeting 1d4 1857442245
  • Sicilian Kalashnikov 1857442571
  • Excelling at Chess 1857442733
  • Easy Guide to the Sveshnikov Sicilian 1857442806
  • Easy Guide to the Panov-Botvinnik Attack 1857445635
  • Dutch Stonewall 1857442520
  • Starting Out: the Grunfeld Defence 1857443500
  • Excelling at Combinational Play :Learn to Identify and Exploit Tactical Chances 1857443454
  • Inside the Chess Mind: How players of all levels think about the game 1857443578
  • Excelling at Technical Chess 1857443640
  • Excelling at Chess Calculation: Capitalising on tactical chances 1857443608

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