A very hard question. Between Dvoretsky's Endgame Manual, Dan Perlo's Endgame Tactics, My System, Questions of Modern Chess Theory, Alekhine's Best Games, Karpov's Best Games, and San Luis 2005 it's hard to pick just one.
If you could only own one chess book....
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For my level (B-class) or for a beginner?
Feb 2, 2015
0
#4
The book I discuss here:
La crème de la crème
Last December I passed along an email Informant sent out announcing their one hundredth issue. Shortly after publishing Informant 100, Šahovski Informator released The Best of the Best 1000—the ten best games from each of the first one hundred volumes, published with their original annotations. Joel Benjamin wrote a review of this book for hisNew York Times Chess Blog. With the prize money I earned from playing in the Spokane City Championship I was able to shell out the $60 for a paperback book and have been poring over some of the games.
Black to move
What happens if Black captures the knight on h7?
The position above did not occur in a game, but in the annotations by Rudolf Marić to Bobby Fischer’s win over Leonid Stein in the 1967 Interzonal in Sousse, Tunisia, an event Fischer did not complete. The game was voted the best of Informant 4.
Read the rest at http://chessskill.blogspot.com/2008/08/la-crme-de-la-crme.html
It would be my notation book of my own tournament games :)
Studying your own games is vastly more important than studying anyone else's IMO. The only other thing I can think of for a book would be something on tactics maybe.
Which would it be and why?