The Extra Piece

what to do with the d5 knight, occupying a very strong post in the center.

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Gufeld, Eduard — Dvoretzky, Mark 1975.??.??
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Dolmatov, Sergey — Romanishin, Oleg M URS-ch47 · 1979.12.?? · 0-1
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Alekhine, Alexander — Morrison, John Stuart Leeds sim · 1923.??.?? · 1-0
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Karpov, Anatoly — Dolmatov, Sergey IBM · 1980.??.?? · 1-0
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Kuzmin, Gennadi P — Tal, Mihail URS-ch46 · 1978.12.?? · 0-1
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Timman, Jan H — Panno, Oscar Nijmegen rap · 1978.??.?? · 1-0
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Larsen, Bent — Olafsson, Fridrik Geneve · 1977.??.?? · 1-0
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Lovengrove/Gruer — Alekhine, Alexander San Francisco exh · 1924.??.?? · 0-1
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Maroczy, Geza — Suechting, Hugo Barmen IT Masters-A · 1905.??.?? · 1-0
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Petrosian, Tigran V — Fischer, Robert James Candidates Tournament · 1959.09.21 · 1-0