Some sacrifices are sound; the rest are mine.
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[Event "rated untimed match"]
[Site "Budapest"]
[Date "1949.??.??"]
[Round "?"]
[White "Barcza"]
[Black "Simagin"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[ECO "A00"]
[FEN "8/6pp/8/1N6/2n2P2/4k1P1/P1Kp3P/8 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Na3+ 2. Nxa3 Ke2 3. Nc4 d1=Q+ { Black wins with a large material
advantage. } 0-1