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 "Unknown604"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/4pQ2/2pk1n2/3p4/q2P1PR1/2p1P3/P1P5/2K4R b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Qxa2 ( { Black can try: } 1... Nxg4 2. Rh7 Kc7 3. Qxe7+ Kb6 4. Qc5+ Ka6 5. Ra7# ) 2. Kd1 Qb1+ 3. Ke2 Qxc2+ 4. Kf3 ( { White can try: } 4. Kf1 Nxg4 5. Rh6+ Nxh6 6. Qh5 Nf5 { Black wins with a large material advantage. } ) 4... Qe4+ 5. Kg3 Qxh1 6. Rg7 Nh5+ 7. Kf2 Nxg7 8. Qxg7 Qh2+ 9. Kf1 c2 10. Qe5+ Kd7 11. Qf5+ Kc7 12. Qe5+ Kc8 13. Qe6+ Kd8 14. Qxc6 c1=Q+ 15. Qxc1 Qh1+ 16. Ke2 Qxc1 { Black wins with a large material advantage. } 0-1