Chess is in its essence a game, in its form an art, and in its execution a science.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown179"] [Result "0-1"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "8/1r2k3/6pp/p3P3/R1P2P2/2pP3P/4K3/8 b - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1... Rb1 ( { White can try: } 1... Rb2+ 2. Ke3 c2 3. Kd2 g5 4. fxg5 hxg5 5. Rxa5 Ke6 6. d4 { White wins with a large material advantage. } ) 2. Ra3 c2 3. Rc3 c1=Q 4. Rxc1 Rxc1 { Black wins with a large material advantage. } 0-1