Do you realize Fischer almost never has any bad pieces? He exchanges them, and the bad pieces remain with his opponents.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown189"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "2rr2k1/1p2ppb1/6qp/p6p/P2nR3/2P4P/1P1N1PPB/1R2Q1K1 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Nc2 2. Qe2 Rxd2 3. Qxd2 Qxe4 4. Rc1 Nb4 5. cxb4 Rxc1+ 6. Qxc1 Bxb2 7. Qd1 axb4 { Black wins with a large material advantage. } 0-1