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*FORCE* your opponent to line up his pieces!
Compiled by notyetagm
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notyetagm, chessgames.com 2009


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1 ♖e1x♗e7+! wins even though the e7-square has four(!) defenders versus only one(!) attacker, even though the ♖ is more valuable than the ♗, because the e7-square is <LINED UP> with both the Black e8-king and the Black d7-queen and White controls *both* of those <ALIGNMENTS>.

1 ... ♔e8x♖e7 2 ♖h1-h7+ <skewer: e7,d7>


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1 ... ♕d7x♖e7 2 ♖h1-e1 <pin: e7,e8>


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Make forcing moves and other threats that coerce your opponent to line up his pieces, forming <PINNING CHAINS> and <SKEWERING CHAINS>, and then <PIN> and <SKEWER> these enemy pieces that you have forced into alignment.

Kamsky vs Shirov, 2007


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39. Rgxg8+ Kh7 <40. Rh8+> Kg7 <41. Rdg8+> Kf6 <42. e5+> Ke7 <43. Re8+> Kd7 44. e6+


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40 ... b4-b3+! forces White king, rook to line up on 1st rank
Ivanchuk vs Topalov, 2009 
(B99) Sicilian, Najdorf, 7...Be7 Main line, 54 moves, 0-1

44 e5-e6+ pawn fork alignment results from 5 consecutive checks
Kamsky vs Shirov, 2007 
(B30) Sicilian, 37 moves, 1-0

25,26 Qc4xBc3?? checks then give Black e6-knight a royal fork
Stefansson vs Carlsen, 2007 
(D43) Queen's Gambit Declined Semi-Slav, 25 moves, 0-1

28 - Nd7 29 Rd8 Black forced to line up his d7-knight, d2-rook
Capablanca vs H Steiner, 1928 
(D67) Queen's Gambit Declined, Orthodox Defense, Bd3 line, 37 moves, 1-0

29 h6-h7+! Kg8-g7 makes knight fork alignment c7-rook + g7-king
Anand vs Ivanchuk, 2007 
(B42) Sicilian, Kan, 37 moves, 0-1

18 Qc1!! Black forced to line up his e3-rook, g5-queen (PIN)
Rubinstein vs Lasker, 1909  
(D30) Queen's Gambit Declined, 40 moves, 1-0

22 ... Ba6-c4! forces White queen into discovery on the c-file
Ivanchuk vs Nisipeanu, 2007 
(E11) Bogo-Indian Defense, 22 moves, 0-1

35 Rd4xd6! makes Black line up his a3-knight,d6-rook for Q fork
Petrosian vs Uhlmann, 1968 
(E81) King's Indian, Samisch, 41 moves, 1-0

29 Ne5xc6! Qd6xNc6 makes Black queen face White c1-rook, pin
Macieja vs Radjabov, 2007 
(C63) Ruy Lopez, Schliemann Defense, 47 moves, 1-0

33 f4-f5! creates pinning chain Black f5-bishop+Black f6-queen
Seirawan vs Korchnoi, 1986
(D91) Grunfeld, 5.Bg5, 62 moves, 1-0

31 ... Bb7-f3+ forces 32 Kd1-d2: White d2-king + White c1-rook
Gelfand vs Aronian, 2008 
(D11) Queen's Gambit Declined Slav, 30 moves, 0-1

58 ... Re1xBe5+! forces White king onto line of b8-promotion sq
J Smeets vs Yifan Hou, 2008 
(C13) French, 58 moves, 0-1

101 Rg6-f6+! Kf5xRf6 lines up king, a1-rook for 102 a7-a8=Q+
Grischuk vs Anand, 2007 
(E17) Queen's Indian, 102 moves, 1-0

17 a4-a5! forces 17 ... Qb6xa5 lining up with Black b4-knight
K Kuderinov vs M Arnold, 2008 
(B90) Sicilian, Najdorf, 18 moves, 1-0

21 - Qe7xNe5 lines up with Black h5-knight for skewer 22 Rc1-c5
Jakovenko vs Bologan, 2008 
(D47) Queen's Gambit Declined Semi-Slav, 34 moves, 1-0

29 b3-b4!! Bf8xb4 forces Black to line up his b4-bishop,b5-rook
Carlsen vs Onischuk, 2007 
(D43) Queen's Gambit Declined Semi-Slav, 39 moves, 1-0

19 ... Nf3xe5! 20 Ke4xNe5?? lines up with a1-rook for skewer
J Smeets vs Adams, 2008 
(C45) Scotch Game, 28 moves, 0-1

39 e6-e7+! Kf8xe7 lines up with Black b7-bishop for winning pin
Morozevich vs E Alekseev, 2008 
(A45) Queen's Pawn Game, 40 moves, 1-0

10 ... Nf6xe4! forces White to lineup piece with undef c2-queen
V Artsukevich vs Korchnoi, 1953 
(A56) Benoni Defense, 24 moves, 0-1

31 Re1xBe6! forces both a pinning and a knight fork alignment
Wang Yue vs S Agdestein, 2008 
(A84) Dutch, 35 moves, 1-0

87 Qe5-h5+!! forces White h5-queen + White f7-king for skewer
Karjakin vs Gelfand, 2008 
(A70) Benoni, Classical with 7.Nf3, 89 moves, 1/2-1/2

46 d6-d7! Bc6xd7 foces Black d7-bishop + Black g7-king for pin
A Lastin vs K Maslak, 2008 
(B90) Sicilian, Najdorf, 47 moves, 1-0

46 Ne4-d2+! forces Black c4-king onto c5 or d4 for knight fork
Lasker vs Duras, 1909  
(D25) Queen's Gambit Accepted, 54 moves, 1-0

32 Rc1xQc7 forces Black a6-bishop+a5-rook for winning pin
Carlsen vs Navara, 2008 
(C78) Ruy Lopez, 50 moves, 1-0

29 Bd3xh7+ forces g8-king to line up with f8-queen on f-file
Caruana vs A Kveinys, 2008 
(B42) Sicilian, Kan, 30 moves, 1-0

31 Rc7-c8+ forces Black g8-king onto f7-square and knight fork
R Mamedov vs S Feller, 2008 
(C10) French, 32 moves, 1-0

29 Nf3xd4?? Qf6xNd4 lines up d4-queen + loose d7-knight, skewer
Kramnik vs Anand, 2008 
(D49) Queen's Gambit Declined Semi-Slav, Meran, 35 moves, 0-1

26 Rh2xNh7+ forces Black f8-king + b6-queen for fork 27 Nf6-d7+
A Stukopin vs B Hasenohr, 2008 
(A07) King's Indian Attack, 25 moves, 1-0

28 Rc1xBc5! based on forcing alignment e8-king + undef h8-rook
Tarrasch vs Janowski, 1896 
(C25) Vienna, 32 moves, 1-0

27 ... Re8-e2! forces White c1- + b1-bishops for nasty skewer
A Gudmundsson vs Fischer, 1960 
(D95) Grunfeld, 27 moves, 0-1

24 Rf8-g8+! Kg7-h6 Black e3-rook falls with CHECK 25 Qd3xRe3+
Motylev vs Shirov, 2009 
(C48) Four Knights, 24 moves, 1-0

43 Rh7xBf7! Kf6xRf7 force f7-g8 alignment for skewer 44 Bd3-g6+
Kramnik vs Nakamura, 2010 
(A88) Dutch, Leningrad, Main Variation with c6, 44 moves, 1-0

32 games

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