One of the most important things in chess is pattern recognition: the ability to recognise typical themes and images on the board, characteristics of a position and their consequences.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown542"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "2r5/8/2R1k3/1P1pBq1p/3P1P1P/4P3/2pQ2p1/6K1 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Rxc6 2. bxc6 Qh3 3. f5+ Kf7 4. Bh2 Qf3 5. Qc1 Qd1+ 6. Qxd1 cxd1=Q+ 7. Kxg2 { Black wins with a large material advantage. } 0-1