The combination is the heart of chess.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown85"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "rn2kbnr/pp2pppp/2p5/8/2B1N3/2P1BQ2/Pq3PPP/R3K2R b KQkq - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Qxa1+ 2. Ke2 Qb2+ ( { Black dare not be greedy: } 2... Qxh1 3. Qxf7+ Kd8 ( { Black can try: } 3... Kd7 4. Be6+ Kc7 5. Qf4+ Kd8 6. Qxf8+ Kc7 7. Qc8# ) 4. Qxf8+ Kd7 5. Nc5+ Kc7 6. Ne6+ Kd6 7. Bf4+ Kd7 8. Qd8# ( 8. Nc5# ) ) 3. Nd2 e6 { Black wins with a large material advantage. } 0-1