21 RxNd7! The example that taught me about knight opposition Kasparov vs Timman, 1998  (E32) Nimzo-Indian, Classical, 26 moves, 1-0 White c3-knight, Black f4-knight, d5-tactical base, 22 BxNf4 Y Hou vs Krasenkow, 2007  (B06) Robatsch, 46 moves, 0-1 Black b4-knight versus White b2-knight makes d3 a tactical base Gulko vs Short, 1990  (A92) Dutch, 28 moves, 0-1 White a4-knight, Black e6-knight,, 34 ... Rb7?? 35 RxNe6! Kramnik vs Shirov, 2007  (A15) English, 34 moves, 1-0 Black b4-knight versus White a1-knight makes c2 a tactical base Steinitz vs Pillsbury, 1892  (C30) King's Gambit Declined, 30 moves, 0-1 Black d4-knight vs White g3-knight makes f5 a tactical base Kasparov vs Kramnik, 2001  (C67) Ruy Lopez, 46 moves, 1/2-1/2 White e4-knight vs Black d7-knight, Black g8-king = knight fork Ivanchuk vs F Vallejo Pons, 2002  (B42) Sicilian, Kan, 23 moves, 1-0 49 ... Qc5xNc1! White c1-knight/Black b2-knight = White f2-king Gheorghiu vs A Beliavsky, 1982  (A58) Benko Gambit, 47 moves, 0-1 39 Rf2-f7!: White g6-knight + Black d7-knight,Black h7-king Mamedyarov vs Carlsen, 2008  (E17) Queen's Indian, 37 moves, 1-0 43 .. Rg2xNe2+! Black d3-knight + undef White d5-rook,e2-knight Karjakin vs Ivanchuk, 2008  (B80) Sicilian, Scheveningen, 47 moves, 0-1 56 ... Re8xNe6+! Black h5-knight, White e6-knight, f4-tact base Carlsen vs Radjabov, 2008  (C41) Philidor Defense, 61 moves, 1-0 32 Rc8xNc6+! White c4-knight, Black c6-knight, f7-king target R Mamedov vs S Feller, 2008  (C10) French, 32 moves, 1-0 34 Qc4xNf7+! White c3-knight, Black c7-knight, undef f6-queen J Becerra Rivero vs Robson, 2009  (B81) Sicilian, Scheveningen, Keres Attack, 34 moves, 1-0 J Sarkar vs F Obers, 2007  (D31) Queen's Gambit Declined, 37 moves, 1-0 Navara vs Tkachiev, 2011  (C78) Ruy Lopez, 35 moves, 1-0 15 games