The isolated Pawn casts gloom over the entire chessboard.
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[Event "rated untimed match"]
[Site "USSR"]
[Date "1945.??.??"]
[Round "?"]
[White "Rudakovskij"]
[Black "Botvinnik"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "2r1r1k1/pp1b1ppp/1q6/3P4/7N/Pn1Q4/1P3PPP/1RB2RK1 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Nxc1 2. Rfxc1 Rxc1+ 3. Rxc1 Qh6 4. Qc4 Bb5 5. Qc5 ( { White can try: } 5. Nf5 Bxc4 6. Nxh6+ gxh6 7. d6 Bb5 { Black wins with a large material
advantage. } ) 5... b6 6. Qc7 Qxh4 { Black wins with a large material advantage. } 0-1