20 ... Qa4xRd1+!! Black d8-rook,d5-bishop control d1-sq *TWICE* C Li vs Bu Xiangzhi, 2009  (C42) Petrov Defense, 20 moves, 0-1 Decoy Black king to e7 to set up a winning discovered attack Anand vs Leko, 1994  (B57) Sicilian, 31 moves, 1-0 14 Nd4-f5! discovered attack, threatening 15 BxB and mate on g7 Fritz vs Hertneck, 1998  (C01) French, Exchange, 25 moves, 1-0 White e5-knight can give check, makes a great discoverer J Stocek vs V Eingorn, 1998  (C03) French, Tarrasch, 36 moves, 1-0 (VAR) 21 a5! Bxa5?? 22 Nc3xd5! and White wins a piece Kasparov vs Kramnik, 1994  (D19) Queen's Gambit Declined Slav, Dutch, 86 moves, 1-0 31 ... g5?? allows winning discovered attack 32 c6! Carlsen vs Navara, 2007  (D86) Grunfeld, Exchange, 50 moves, 0-1 Aronian vs Gelfand, 2007  (D44) Queen's Gambit Declined Semi-Slav, 36 moves, 1-0 22 ... Qc7-a5+ completes discovery chain with b4-pawn, d2-rook Anand vs Polgar, 2003  (B90) Sicilian, Najdorf, 39 moves, 0-1 8 Ne4-d6+!! both a discovered pin and discovered deflection(!) P Horn vs Shabalov, 1992  (B21) Sicilian, 2.f4 and 2.d4, 53 moves, 1/2-1/2 35 ... Re2+! 36 Qd3xRe2?? creates TM=Q for a discovered check Mamedyarov vs Kamsky, 2007  (D10) Queen's Gambit Declined Slav, 38 moves, 1-0 27 ... Be4-f3! unmasks the Black e5-rook, wins material S R Mannion vs Nunn, 1992  (B33) Sicilian, 52 moves, 1/2-1/2 29 ... Qf3?? lines up Black queen, White c3-rook for discovery Leko vs Piket, 1997  (B39) Sicilian, Accelerated Fianchetto, Breyer Variation, 30 moves, 1-0 31 - Rf4xf3! unmasks Black g5-queen vs undefended White e3-quee Stahlberg vs Alekhine, 1930  (E23) Nimzo-Indian, Spielmann, 31 moves, 0-1 27 Qh4-f4! gains time on Black d2-rook to form DISCOVERY CHAIN Smyslov vs Pachman, 1947  (C11) French, 33 moves, 1-0 36 Rd4xf4?? hangs White queen 36 ... Re6-e1+ and 37 ... Qf5xQd7 A Ilic vs H Aghalarov, 2007  (B28) Sicilian, O'Kelly Variation, 38 moves, 0-1 32 ... Nc4-d6+ threatens both 33 ... Nd6xKe4 and 33 ... Rc8xBc1 M Erdogdu vs R Almond, 2006  (B01) Scandinavian, 32 moves, 0-1 50 e5-e6? Bf7-h5+! Black g7-rook attacks undefended a7-rook Carlsen vs Short, 2004  (D37) Queen's Gambit Declined, 54 moves, 1-0 Kamsky wins a game in which he sets up 3(!) discovery chains P H Nielsen vs Kamsky, 2006  (D15) Queen's Gambit Declined Slav, 39 moves, 0-1 38 Be7-f6+! unmasks an attack on the undefended Black e8-queen Kasparov vs G Gonda, 1988  (D32) Queen's Gambit Declined, Tarrasch, 38 moves, 1-0 33 Qe8-e5+! tempo to create chain Black c7-queen, White d6-rook Epishin vs Polugaevsky, 1993  (E15) Queen's Indian, 36 moves, 1-0 34 Qe2xg4! discovers attack on Black e3-queen by White e1-rook Anand vs Kasparov, 1996  (B90) Sicilian, Najdorf, 54 moves, 1-0 35 Qd7-g4 Nf4-e2+! discovery on White g4-queen from e4-queen Eljanov vs Radjabov, 2008  (E77) King's Indian, 33 moves, 0-1 21 d5-d6!,22 c4-c5!! Fischer's incredible blitz discovery combo Fischer vs Uhlmann, 1970   (C15) French, Winawer, 29 moves, 1-0 25 Be3-h6! unmasks White e2-queen, threatens loose g7-bishop Fischer vs M Bedford, 1964  (B06) Robatsch, 25 moves, 1-0 42 g4-g5+! unmasks White h5-queen attack on unde Black f3-queen Bronstein vs Korchnoi, 1962  (C83) Ruy Lopez, Open, 39 moves, 1-0 35 f5-f6+ discovery by White g6-queen on undef Black e4-queen Carlsen vs Van Wely, 2006  (B43) Sicilian, Kan, 5.Nc3, 34 moves, 1-0 40 Be5-c7! vacates e-file for 41 Re1-e8+ gaining time on queen Fischer vs A Di Camillo, 1956  (C78) Ruy Lopez, 41 moves, 1-0 20 Bd3xb5+! discovers an attack on undefended Black d5-queen Korchnoi vs Tal, 1965  (D48) Queen's Gambit Declined Semi-Slav, Meran, 34 moves, 1-0 35 Qe6-e7+ completes discovery chain with d6-rook, c5-queen Kasparov vs Shirov, 2000  (C11) French, 35 moves, 1-0 41 ... Rb3-d3! completes discovery chain with d5-knight,d7-rook Alekhine vs Lasker, 1914  (C68) Ruy Lopez, Exchange, 89 moves, 0-1 Ivanchuk vs Anand, 2008  (E55) Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation, 16 moves, 1-0 21 - Nd5-e3! based on discovery 22 - Bg5xe3+ and 23 - Rg8xQg4 Shirov vs Karjakin, 2008  (D44) Queen's Gambit Declined Semi-Slav, 36 moves, 1/2-1/2 29 Rb7xf7+!! Qf3xRf7 30 f2xRe3 Black f7-queen,h5-rook both hang Carlsen vs Anand, 2008  (A20) English, 48 moves, 1-0 33 ... Nd3xRf2+ clears 3rd rank with tempo for 34 ... Qg3xQc3 J Parker vs N Pert, 1999  (A92) Dutch, 32 moves, 0-1 35 .. Nc4-e3! discoverer covers the g2-flight square of g1-king E Piankov vs Psakhis, 1977  (A64) Benoni, Fianchetto, 11...Re8, 35 moves, 0-1 22 .. Nf3-e1+! unmasks Black f6-queen,f8-rook against f2-square H Ibrahim vs Sadvakasov, 1995  (A65) Benoni, 6.e4, 22 moves, 0-1 25 Rg3-g7!! threat of Qd2xQd6 after Nf4-f5+ is a GM discovery J Werle vs P K Wells, 2008  (D39) Queen's Gambit Declined, Ragozin, Vienna Variation, 27 moves, 1-0 35 Nd6-f5!! traps Black f8-king on back rank and unmasks d-file Dominguez Perez vs Morozevich, 2009  (B90) Sicilian, Najdorf, 36 moves, 1-0 20 Nd4-f3 puts both Black d7-knight, Black g5-bishop en prise Kramnik vs Topalov, 2006  (E04) Catalan, Open, 5.Nf3, 38 moves, 1/2-1/2 20 Ne5xc6+ discovered attack with check on undef Black e6-queen Short vs Timman, 2008  (C67) Ruy Lopez, 40 moves, 0-1 Keres vs Smyslov, 1973  (C97) Ruy Lopez, Closed, Chigorin, 41 moves, 0-1 18 ... Nc6-e5??, 30 ... Bb2-e5?? GM walks into simple discovery Svidler vs P Nikolic, 2009  (C03) French, Tarrasch, 36 moves, 1-0 Alekhine vs Janowski, 1924  (A53) Old Indian, 40 moves, 1-0 37 Qxf8+! and 38 Qxg7+! are decoys to set up discovered attacks Ivanchuk vs Turov, 2006  (E00) Queen's Pawn Game, 38 moves, 1-0 Keres vs Sliwa, 1955  (C75) Ruy Lopez, Modern Steinitz Defense, 37 moves, 1-0 Aronian genius 42 Ra6-b6!! is all-time great discovered attack Aronian vs Nakamura, 2010  (E98) King's Indian, Orthodox, Taimanov, 9.Ne1, 53 moves, 1-0 24 Nd3xf4! Kramnik vs Nakamura, 2010  (A88) Dutch, Leningrad, Main Variation with c6, 44 moves, 1-0 15 ... Nc6xd4! wins pawn by discovery on undef White c4-bishop Smeets vs Ponomariov, 2011  (C18) French, Winawer, 40 moves, 0-1 Ivanchuk vs Carlsen, 2011  (A15) English, 29 moves, 1-0 Vaganian vs Karpov, 1969  (E20) Nimzo-Indian, 53 moves, 1/2-1/2 40 Qf5-h7+! decoy into discovered mate 40 .. Kg8xQh7 41 Re4-e8# V Iordachescu vs S Williams, 2013  (B51) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 40 moves, 1-0 K Georgiev vs B Gundavaa, 2013  (E94) King's Indian, Orthodox, 60 moves, 0-1 22 Ne5-g6+ checks f8-king & uncovers attack on undef d6-queen G Vescovi vs C A Martinez, 1991  (B28) Sicilian, O'Kelly Variation, 25 moves, 1-0 Eljanov vs Kryvoruchko, 2013  (D30) Queen's Gambit Declined, 38 moves, 0-1 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 29 ... Nb4-d5?? 30 Qg3-b3! 1-0 e6-rook + g8-king = discovery D Andreikin vs Svidler, 2013  (A45) Queen's Pawn Game, 30 moves, 1-0 26 Nc3xd5! is a wicked discovered attack by tactician Zhao Xue X Zhao vs B Bok, 2014  (D83) Grunfeld, Grunfeld Gambit, 44 moves, 1-0 57 games