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Black to play
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91 32... N a3+! Of course, 32... B d6 also leaves White little hope, but the text is quicker.
32... N a3+! 33.bxa3 Q c4 34. B xe3 Q xa2+ 35. K c1 dxe3 0-1 Adams-P.H.Nielsen, Khanty-Mansiysk playoff rapid 2011.
White to play
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92 White needs two successive exchange sacrifices to start the decisive attack: 29. R xf6! Haba-Lechtynsky, Karlov Vary ch-CZE 2005; Black resigned, without checking his opponents calculations: 29... Q xf6 30. R xb6! R xb6 ( 30... Q xb6 31. Q xg7# ) 31. Q c8+ .
Black to play
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93 40... R e8!! Conquering the h6-square! The queen has no retreat. 41. R f1 41. Q xe8 Q h6+ . 41... Q xf1+ 42. B xf1 R xf8 , and soon White resigned in Pourkashiyan-T.L.Petrosian, Dubai 2006.
White to play
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94 19. N b5+! cxb5 19... K b6 20. Q a7# ; 19... K d7 20. Q xb7+ . 20. Q xb7+ K d6 21. Q c6+ K e5 22.f4+ Ward-Matthiesen, Copenhagen 2003; Black resigned because of 22... K d4 23. R d1+ B d3 24. R xd3+ K c4 25. Q xb5# .
White to play
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95 39. B d5! Q xd5 40. Q g7+ K e8 41. N xf6+ N xf6 Or 41... K d8 42. Q c7# . 42. Q e7# Gallego-Fedorchuk, Warsaw Ech 2005.
White to play
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96 The direct 39.g4+ K h4 does not bring anything positive,
but there is 39. R f5+! Q xf5 White mates quickly after 39... K h4 40. Q f6+ K g3 ( 40...g5 41. Q xh6+ K g3 42. Q xg5# ) 41. Q xg6+ K h4 42. Q g4# . 40.g4+ Q xg4 41.hxg4+ K xg4 42. Q xg6+ , and soon Black resigned in Vocaturo-V.Georgiev, Turin ol 2006.
Black to play
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97 47... B h4+! 48. K xh4 Or 48. K g4 f5+ . 48... Q f2+ 49. K g4 f5+ 50. K f4 Q h2# Drozdovskij-Grishchenko, Russia tt 2010; fans of Tarraschs teachings may draw attention to the knight stuck on the edge of the board...
White to play
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98 29. B f6+! Cvetkovic-Perunovic, Vrnjacka Banja ch-SRB 2013; Black resigned: mate next move is inevitable.
White to play
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99 43. B g6+! 1-0 Gustafsson-Vedmediuc, Istanbul ol 2012; 43... K xg6 44. Q f5+ K h6 45. Q h5# .
Black to play
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100 At first sight, Whites position is solid, but suddenly... 30... B b3+! Filippas-Kohlweyer, Kavala 2011; and White resigned. After taking the knight it is mate in one ( 31. K xb3 Q a4# ; 31. N xb3 Q d1# ), but even after 31. K d2 the king doesnt get far: 31... Q xb2+ 32. K e3 Q xc3+ 33. K f4 g5+ .
White to play
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101 Black has played the opening too passively and suffers a well-deserved punishment: 15. R xg7+! K xg7 16. Q g4+ K h6 Or 16... K h8 17. B xf6+ B xf6 18. Q h5 . 17. Q g5# De Florio-Necesito, Cento 2011.
Black to play
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102 18... N e4! 0-1 Mikheev-Polschikov, St Petersburg 2006; beautiful, dont you agree? Black is an exchange down, and has an undeveloped kingside, and yet he puts a second piece under attack. But it cannot be taken, and White is lost anyway: 19. B xg4 Q a1# ; 19. Q xe4 B h6+ 20. B d2 Q a1# ; 19.b4 Q a3+ .
White to play
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103 36.e5! B c6+ 37. K f2 dxe5 38. R xh6+! Q xh6 39.f6+ 1-0 Gharamian-Adhiban, Paris 2010.
Black to play
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104 At first glance, Whites position is fairly solid, but after 32... R xb3+! he resigned at once in Kanarek-Swiercz, Chotowa ch-POL 2009; 33.axb3 Q c3 is bad, whilst after 33.cxb3 another sacrifice settles things: 33... B xe4+ 34. R xe4 Q c1# .
Black to play
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105 28... R xc2+! 29. K xc2 Completely bad is 29. R xc2 R e1+ 30. R xe1 Q xe1# . 29... R xe2+ 30. K d3 More tenacious was 30. K b1 Q xf5+ 31. K a1 , but this does not change the assessment of the position. 30... Q d2+ 31. K c4 Q c2+ 0-1 Potkin-Wang Yue, Ningbo tt rapid 2010.
Black to play
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106 38... R 8d3! Creating the lethal threat of 39... R xh3+. It looks as though White can meet this with 39. K h2 , but 39... R xh3+! forces immediate surrender: 0-1 Valenti-Cocchi, Cento 2011; the disaster comes from the other side: 40. K xh3 Q g4+ 41. K h2 Q h4# .
White to play
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107 23. Q d8+! B xd8 24.e7+ 1-0 Moskalenko-Massana Blanch, Barcelona 2005; do not forget this useful device, deflection!
White to play
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108 32. R xf4! Yu Ruiyuan-Oleksienko, Chennai 2012; Black resigned because of 32... R g8 33. Q h5 exf4 34. Q xh6# or 32...exf4 33. B d4+ Q xd4 34. R xb8+ K h7 35. Q g8# .
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