The combination is the heart of chess.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown577"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/pq2krp1/5N1p/4np2/Q3p3/7P/6P1/3R2K1 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Ng8+ Ke6 ( { Black dare not try: } 1... Kf8 2. Rd8# ) 2. Qa2+ Nc4 3. Qxc4+ Qd5 4. Qxd5# 0-1