27 ... Ne5-f3! deflects White g2-pawn interposer of loose h2-sq Stahlberg vs Keres, 1936  (E26) Nimzo-Indian, Samisch, 27 moves, 0-1 22 ... Rc2xf2! destroys White f2-pawn interposer of loose g2-sq Alatortsev vs Capablanca, 1935  (D50) Queen's Gambit Declined, 23 moves, 0-1 Black f6-knight interposes g7-sq from White b2-queen: b2-g7@f6 Huzman vs Kasparov, 2003  (D45) Queen's Gambit Declined Semi-Slav, 22 moves, 1-0 30 Rh6-h8+! Black g7-bishop shields g6-queen from g8-flight sq Tal vs Benko, 1959  (B27) Sicilian, 30 moves, 1-0 Nepomniachtchi vs Zherebukh, 2012  (B90) Sicilian, Najdorf, 40 moves, 1/2-1/2 Ivanchuk vs Wojtaszek, 2012  (E21) Nimzo-Indian, Three Knights, 37 moves, 1-0 T Binham vs P Horn, 1998  (B00) Uncommon King's Pawn Opening, 24 moves, 1-0 37 Bg3xNe5?? moves the interposing defender of the g2-mating sq Lagno vs A Stefanova, 2012  (D10) Queen's Gambit Declined Slav, 37 moves, 0-1 13 Qe2xe4+! Black f6-knight is pinned against the f7-mating sq Anderssen vs E Schallopp, 1864  (C31) King's Gambit Declined, Falkbeer Counter Gambit, 14 moves, 1-0 36 Qh2xRe5+! f6-pawn is pinned against back rank f8-mating sq Alekhine vs Reshevsky, 1937  (B04) Alekhine's Defense, Modern, 36 moves, 1-0 18 ... e6xf5?? removes defender that interposes/shields f7-sq Botvinnik vs G Stepanov (Schneideman), 1931  (D43) Queen's Gambit Declined Semi-Slav, 34 moves, 1-0 28 Rb3-g3+! 1-0 Black f4-pawn interposes/shields g4-mating sq K Skold vs K Arnstam, 1963  (B05) Alekhine's Defense, Modern, 28 moves, 1-0 17 ... Qb5-h5+! 0-1 White g4-pawn interposes/shields h4-mate sq J L Hammer vs Carlsen, 2003  (A46) Queen's Pawn Game, 17 moves, 0-1 26 Rf1xf6! Black e5-bishop shields/interposes e8-mating square Illescas Cordoba vs Rachels, 1987  (B73) Sicilian, Dragon, Classical, 27 moves, 1-0 14 games