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 "Unknown"] [Black "Unknown646"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "6k1/pb3pp1/1pq1p2p/8/2P4r/6Q1/PPB2PP1/4R1K1 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. Qb8+ Qc8 2. Qxc8+ Bxc8 3. Rd1 f5 4. Rd8+ Kh7 5. Rxc8 { White wins with a large material advantage. } 1-0