A chess opening is the group of initial moves of a chess game. Recognized sequences of initial moves are referred to as openings by White, or defenses by Black, but opening is also used as the general term.
双语例句
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LAST November Henry Kissinger compared Barack Obama to a chess grandmaster who had played his opening in six simultaneous matches, but hadn't completed a single game.
This is a standard conversation, like the classic opening moves of a chess game, where what matters, much more than what one says (which is brief and obvious), is the tone in which one says it.