Purpose
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Yuri Averbakh pointed out that the opposition is a means to an end; the end is penetration to a key square (Averbakh 1987:5). This can be a square in front of a pawn, so the king can lead it to the queening square, or into a critical zone to win an enemy blocked pawn. In the diagram on the right, White should play 1. Kc5; taking the opposition by 1. Ke4 draws.
The second position shows a simpler example. If White takes the opposition with 1. Ke6 he makes no progress. The winning move is 1. Kc7 (see king and pawn versus king endgame).
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Read more about this topic: Opposition (chess)
Famous quotes containing the word purpose:
“Whoever considers morality the main objective of human existence, seems to me like a person who defines the purpose of a clock as not going wrong. The first objective for a clock, is, however, that it does run; not going wrong is an additional regulative function. If not a watch’s greatest accomplishment were not going wrong, unwound watches might be the best.”
—Franz Grillparzer (1791–1872)
“Certain books seem to have been written not for the purpose that we learn something from them but that we know that the author was a knowledgeable person.”
—Johann Wolfgang Von Goethe (1749–1832)
“Civilization is a process in the service of Eros, whose purpose is to combine single human individuals, and after that families, then races, peoples and nations, into one great unity, the unity of mankind. Why this has to happen, we do not know; the work of Eros is precisely this.”
—Sigmund Freud (1856–1939)