"He always tried to exchange one bishop, so that he should have no problems about how to arrange his pawn chain. Then he exchanged one rook, if possible - then he had no problems about which rook to place on the only open file. And it only remained to exchange one knight, so that the remaining knight knew which weak square to control in the centre."

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Welling adds to this: "Unfortunately, he doesn't say that you need to be quite a strong chess player to be able to decide which piece should be exchanged at which moment..."

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" In order to improve your game, you must study the endgame before everything else, for whereas the the endings can be studied and mastered by themselves, the middle game and the opening must be studied in relation to the endgame. " >> ~ Capablanca