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 "Unknown228"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "3R4/1b3p2/p1r1rpkp/2p1pN2/1p6/1P2R3/1P3PPP/6K1 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Rg8+ Kxf5 ( { Black can try: } 1... Kh7 2. Reg3 h5 3. R3g7# ) 2. Rf3+ Ke4 3. Rg4+ Kd5 4. Rd3# 1-0