If you control and/or occupy the center of a chess board, then you can move to any place of the board faster than your opponent. The board's center is the high ground of a chess battle.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Miles"] [Black "Martin"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [ECO "A00"] [FEN "r4r2/6kp/2pqppp1/pbR5/3P4/4QN2/PP3PPP/2R3K1 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. a4 { Luring the bishop away in order to set up the discovery. } 1... Bxa4 2. Qa3 Bb5 3. Rxb5 { The point. } 3... Qxa3 4. Rb7+ Rf7 5. Rxf7+ Kxf7 6. bxa3 { Winning a piece for only the cost of a rook-pawn. White wins with a large material advantage. } 1-0