35 Qxe4?? Qh6! threatens both 36 ... Qh1# and 36 ... QxR K Asrian vs R Prasca Sosa, 2006  (C03) French, Tarrasch, 35 moves, 0-1 16 ... 0-0?? 17 Qc2! threatening both 18 Qxh7# and 18 QxN M Lanzani vs C Sinan Tezok, 2006  (B30) Sicilian, 17 moves, 1-0 24 Bb5?? Qd5! forks undefended White b5-bishop and h1-rook Keres vs Fischer, 1959  (A48) King's Indian, 27 moves, 0-1 23 ... Rac8? 24 Qh3+ Kg7 25 Qc3+ double attack wins loose rook C Grubert vs Carlsen, 2001  (C42) Petrov Defense, 24 moves, 1-0 38 Rxd3?! Qc2! Black queen forks loose White b2-bishop, d3-rook Teichmann vs Alekhine, 1913  (C98) Ruy Lopez, Closed, Chigorin, 38 moves, 0-1 Undefended White c7-knight drops off to15 - Qf4+ and 16 - QxN I Deseatnicov vs Radjabov, 1999  (C00) French Defense, 16 moves, 0-1 23 ... Qc7! forks undefended White c3-bishop, g3-rook (pin) S Ghane vs Miroshnichenko, 2006  (E32) Nimzo-Indian, Classical, 23 moves, 0-1 Black resigns due to 41 ... NxN 42 Qg5+ and 42 QxR Radjabov vs Svidler, 2006  (D16) Queen's Gambit Declined Slav, 41 moves, 1-0 31 ... fxe6 32 Qc3!, double attack on loose c8-rook, g7-square B Larsen vs A Matanovic, 1965  (E07) Catalan, Closed, 32 moves, 1-0 26 ... Bxh3! 27 gxh3? Qg5+ forks White g1-king, loose c1-rook Reshevsky vs B Larsen, 1968  (E56) Nimzo-Indian, 4.e3, Main line with 7...Nc6, 42 moves, 0-1 36 ... Re7?? 37 Qh2+! forks Black h7-king, undefended d6-rook Korchnoi vs Dolmatov, 1999  (A10) English, 37 moves, 1-0 White f4-pawn needs only a second tactical target so 40 Bg6+! B Larsen vs J Penrose, 1969  (A01) Nimzovich-Larsen Attack, 44 moves, 1-0 White f3-pawn needs only a second tactical target so 31 g5! V Malakhov vs Dreev, 2005  (D12) Queen's Gambit Declined Slav, 52 moves, 1-0 32 a4?? Qe7! threatens 33 ... QxBc7, 33 ... Re1+ 34 Rxe1 Qxe1# Chigorin vs Pillsbury, 1896  (C43) Petrov, Modern Attack, 32 moves, 0-1 27 Qc5! attacks loose Black f5-bishop, f8-mating focal point Chigorin vs Janowski, 1900  (C56) Two Knights, 27 moves, 1-0 51 Qg5xh5+ forks undefended Black e2-rook and Black king Leko vs Kramnik, 2007  (C78) Ruy Lopez, 49 moves, 1-0 24 ... Qh5-e8! attacks both the loose White a4-rook, e3-bishop O Renet vs Nunn, 1989  (C89) Ruy Lopez, Marshall, 22 moves, 0-1 16 ... Nb6? makes second loose piece, 18 Qd4 forks them both Chandler vs W Beckemeyer, 1987  (B80) Sicilian, Scheveningen, 33 moves, 1-0 34 ... Qe4-e1+ FORKS White g1-king, undefended White a5-rook A Saidy vs Fischer, 1968   (A25) English, 35 moves, 0-1 39 - Rxd6?? loose rook, exposed h8-king forked after 40 Qa7-b8+ Topalov vs Kasimdzhanov, 2007  (E06) Catalan, Closed, 5.Nf3, 70 moves, 1-0 (VAR) 34 Qc8-c2+ attacks LOOSE Black e2-rook, Black h7-king Van Wely vs J Polgar, 2007  (E17) Queen's Indian, 40 moves, 0-1 34 ... Rc2xNe2?? 35 Qh3-g4+! forks Black king, loose Black rook Keene vs Botvinnik, 1966   (A04) Reti Opening, 35 moves, 1-0 40 Kg1-h2?? Qd1-h5+ loose White g6-rook drops off to queen fork Capablanca vs Alekhine, 1927  (D63) Queen's Gambit Declined, Orthodox Defense, 38 moves, 1/2-1/2 22 Qf3xBf2 allows 22 ... Qb6-c6+ forking undefended c4-bishop M Erdogdu vs R Almond, 2006  (B01) Scandinavian, 32 moves, 0-1 33 ... Bf6-e5! forks White c7-queen, h2-luft square of g1-king G Mammadova vs O Girya, 2001  (B22) Sicilian, Alapin, 35 moves, 0-1 40 d6-d7! promotion threat on both undefended d8-,e8-squares Kasparov vs G Gonda, 1988  (D32) Queen's Gambit Declined, Tarrasch, 38 moves, 1-0 29 ... Ba7-f2! attacks undefended White g3-knight, e1-flight sq Gelfand vs Aronian, 2008  (D11) Queen's Gambit Declined Slav, 30 moves, 0-1 32 Rd6xf6? Nc5-d7! forks White f6-rook, e5-tactical base Carlsen vs Eljanov, 2008  (D91) Grunfeld, 5.Bg5, 54 moves, 1-0 Fork after fork after fork by Magnus defeats Anand Carlsen vs Anand, 2008  (A20) English, 48 moves, 1-0 26 Qg5-e7+ attacks Black h7-king, loose g7-square at same time B Larsen vs D Suboticanec, 1955  (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 25 moves, 1-0 21 Re1-e4! forks undefended Black g4-bishop,d4-forking square A David vs Rozentalis, 2008  (D20) Queen's Gambit Accepted, 21 moves, 1-0 45 Re2xe4+ forks the undefended Black a4-bishop, Black e6-king Y Hou vs D Howell, 2008  (C96) Ruy Lopez, Closed, 61 moves, 1/2-1/2 22 Qa8-a7! forks undef Black f2-knight, loose e7-mating square Tal vs B Larsen, 1979  (B63) Sicilian, Richter-Rauzer Attack, 22 moves, 1-0 29 Nd6-f5 threatens both 30 Nf5xBg3 and 30 Rc1-c8# Shulman vs Van Wely, 2009  (D44) Queen's Gambit Declined Semi-Slav, 32 moves, 1-0 52 ... a3-a2! threatens to promote on both a1- and b1-squares Grischuk vs Svidler, 2009  (A15) English, 53 moves, 0-1 45 Rc7-c8! forks both the a8-promotion square, h8-mating square Ivanchuk vs Morozevich, 2009  (D38) Queen's Gambit Declined, Ragozin Variation, 45 moves, 1-0 39 Ne5-d7+ forks both the Black f8-king, b6-line closing square Karjakin vs Navara, 2009  (C10) French, 40 moves, 1-0 23 Rc1-c5! attacks a5-flight square of Black a6-pawn,g5-pawn Carlsen vs Svidler, 2009  (B40) Sicilian, 47 moves, 1-0 V Iordachescu vs R Schmidt, 2010  (C19) French, Winawer, Advance, 19 moves, 1-0 20 Nf4-g6! exploits disc against undef e5-queen to win exchange D Andreikin vs Khenkin, 2013  (B12) Caro-Kann Defense, 27 moves, 1-0 40 games