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 "Unknown420"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "4rr2/1p4pk/6pp/p7/3PB2q/P2QKP2/1P6/R5R1 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Rxf3+ ( { Black can try: } 1... Rxe4+ 2. Qxe4 Qf6 3. Rac1 { White wins
with a large material advantage. } ) 2. Kxf3 Rf8+ 3. Ke2 ( { White can try: } 3. Bf5 Rxf5+ 4. Qxf5 gxf5 5. Rad1 Qe4+ 6. Kg3 f4+ 7. Kh2 g5 { Black wins with a
large material advantage. } ) 3... Qf2+ 4. Kd1 Qxg1+ 5. Kc2 Qxa1 6. Bxg6+ Kh8 { Black wins with a large material advantage. } 0-1