21 ... Qxh3+! White king cannot defend forking f2 and target h3 Larsen vs R Hernandez Onna, 1989  (D30) Queen's Gambit Declined, 21 moves, 0-1 19 ... Rh1+! 20 Kxh1 Nxf2+ and 21 ... NxQ, the Rh8+/Nf7+ trick K Cottrell vs Lenderman, 2006  (D12) Queen's Gambit Declined Slav, 32 moves, 0-1 Black d7-knight defending the f6-forking square? Bad. Ivanchuk vs F Vallejo Pons, 2002  (B42) Sicilian, Kan, 23 moves, 1-0 10 - Qxb2! White d2-queen cannot defend forking d3 + target b2 Toldsepp vs Keres, 1934  (A52) Budapest Gambit, 10 moves, 0-1 Black d3-knight has f4-forking square, a deflection frees it C Dunworth vs D Gormally, 2001  (A45) Queen's Pawn Game, 19 moves, 0-1 36 Bxf5! Black d7-queen cannot defend forking e7 and target f5 Kasparov vs A Horiguti, 2004  (A48) King's Indian, 37 moves, 1-0 50 QxBh5! Black f5-queen cannot defend f6-forking, h5-target Movsesian vs Z Gyimesi, 2001  (A06) Reti Opening, 53 moves, 1-0 35 ... Bd4! White d2-rook cannot defend e2-forking, d4-target Huebner vs Kasparov, 1986  (D90) Grunfeld, 38 moves, 0-1 30 Qc6! Black c7-queen cannot defend e7-forking, c6-target sqrs Capablanca vs F Duz-Khotimirsky, 1913  (C84) Ruy Lopez, Closed, 47 moves, 1-0 26 Qxb4+! Black b6-queen cannot defend both b4-target, c6-base Kramnik vs Kasparov, 2001  (D44) Queen's Gambit Declined Semi-Slav, 36 moves, 1-0 White d5-knight has tactical f6-base, h7-target, 58 Qxf6+!! Polgar vs Anand, 1998  (B90) Sicilian, Najdorf, 56 moves, 1-0 White f6-knight has h7-tactical base, attacks Black g5-queen Aronian vs S Beshukov, 2000  (B30) Sicilian, 27 moves, 1-0 28 Ng3-f5+ forks Black e7-king and undefended Black d4-rook Kasparov vs Kramnik, 2001  (C67) Ruy Lopez, 46 moves, 1/2-1/2 46 Rxf7! White c4-knight has d6-tactical base, f7-target Gelfand vs Lautier, 1997 (D00) Queen's Pawn Game, 46 moves, 1-0 44 ... Rb1xb3! White d3-rook defends d4-tactical base Lasker vs Capablanca, 1921   (D61) Queen's Gambit Declined, Orthodox, Rubinstein Attack, 68 moves, 0-1 White g5-knight lusts after the royal forking square on f7 Shirov vs O Renet, 1991  (E25) Nimzo-Indian, Samisch, 28 moves, 1-0 20 ... Be7-g5! Black f4-knight has h3-tactical base, g5-target E Paoli vs Andersson, 1973  (B49) Sicilian, Taimanov Variation, 40 moves, 0-1 55 Rc5-e5!! defended by White e3-knight's g4-forking square Anand vs Morozevich, 2007  (B90) Sicilian, Najdorf, 56 moves, 1-0 83 ... Qh3-h8+!! White e5-queen makes f7-square a tactical base Kotronias vs M Hebden, 2007  (C99) Ruy Lopez, Closed, Chigorin, 12...cd, 86 moves, 1-0 25 Qh5xh7+! deflects defender of White f6-knight e8-forking sq Kostic vs H Wolf, 1922  (D44) Queen's Gambit Declined Semi-Slav, 80 moves, 1-0 53 Kg4?? e3 becomes forking square for c4-knight, 53 - Rd5-d1! Avrukh vs Kamsky, 2007  (A64) Benoni, Fianchetto, 11...Re8, 53 moves, 0-1 21 games