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 "Unknown99"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "4r3/1b3pkp/ppn1q1p1/2n3Q1/P1Pp2P1/1B3NBP/1PP2P2/4R1K1 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Qxe1+ 2. Nxe1 Rxe1+ 3. Kh2 f6 { Gaining time on the queen while
preparing Ne5. } 4. Qd2 Ne5 5. Bxe5 ( { White can try: } 5. Qxe1 Nf3+ 6. Kh1 Nxe1+ 7. Kg1 { Black wins with a large material advantage. } ) 5... Rh1+ 6. Kg3 Ne4+ 7. Kf4 Nxd2 8. Bxd4 Rxh3 9. Be3 Rf3# 0-1