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 "Unknown100"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "3k4/5p2/2b1p2p/4P2K/1pp1PP2/1P6/6P1/1B6 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Ba4 ( { Black can try: } 1... c3 2. Kxh6 Ba4 3. Bc2 Be8 { White wins
with a large material advantage. } ) 2. bxa4 b3 3. a5 c3 4. a6 Kc7 5. Kxh6 c2 6. Bxc2 bxc2 7. g4 c1=Q 8. Kg5 Kb6 9. a7 Kxa7 { Black wins with a large
material advantage. } 0-1