A knight on the rim is dim.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Cruz"]
[Black "Uhlmann"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[ECO "A00"]
[FEN "2k3r1/1p1n2pp/p3p3/1r2P2P/q1pp2Q1/P6R/1BPP2P1/1K2R3 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... d3 2. cxd3 Rxb2+ ( { This tempting line loses for black: } 2... Qxa3 3. Qxc4+ Qc5 4. Qxe6 Qd5 5. Qxd5 Rxd5 6. e6 Nb6 7. Bxg7 Rxg7 8. e7 Rd8 9. h6 Rf7 10. Rc1+ Kd7 11. exd8=Q+ Kxd8 { White wins with a large material advantage. } ) 3. Kxb2 c3+ 4. dxc3 Qxg4 { Black wins with a large material advantage. } 0-1