In Fischer's hands, a slight theoretical advantage is as good a being a Queen ahead.
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[Event "rated untimed match"]
[Site "?"]
[Date "1938.??.??"]
[Round "?"]
[White "Anon"]
[Black "Richter"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "7R/p7/1p6/8/8/1P2n1Pn/P3k2P/7K b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Kf1 2. Rxh3 ( { White can try: } 2. Rf8+ Nf2+ 3. Rxf2+ Kxf2 { Black wins
with a large material advantage. } ) 2... Ng4 3. Rh7 Nf2# 0-1