A knight on the rim is dim.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown154"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "4rrk1/1b3p2/2p2Pp1/p2p3p/P3p2Q/1BP5/1q4PP/4RR1K w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Rf5 ( { White can try: } 1. Qg5 Kh7 2. g4 Qxc3 3. gxh5 Qe5 4. hxg6+ fxg6 5. Qh4+ Qh5 6. Qg3 Rf7 { Black wins with a large material advantage. } ) 1... Qxb3 ( { Black can try: } 1... Re5 2. Rxe5 { White wins with a large material
advantage. } ) 2. Rxh5 gxh5 3. Qg5+ Kh7 4. Qg7# 1-0