Definition of "middlegame" []

• The period in a game between the opening and endgame. (noun)

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• "The middlegame, which is typically the next 20 to 40 moves, puts the structured pieces into play."
• "Fifteen years and two recessions into the commercial Internet, it's clear that our industry has moved into a new competitive phase - a "middlegame" in the battle to dominate the Internet economy."
• "The first part of the book, covering problems in the opening and middlegame was published by Quality Chess as Questions of Modern Chess Theory."