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SQUARE CAN BE A TACTICAL TARGET
Compiled by notyetagm
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Game Collection: SQUARE CAN BE A TACTICAL TARGET

Ju. Polgar vs Prohoszka Greek Teams Championship 2011 27 ♕d2-g5+ supports/coordinates e7-sq for 28 ♗a3-e7 1-0

Antonsen vs Krasenkow Politiken Cup 2011 34 ... ♕c6xc5 threatens both the undefended White c4-knight and the g1-invasion sq

http://chessbomb.com/o/2011-politik...

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A <SQUARE> is a <TACTICAL TARGET> because gaining control of a <SQUARE> allows the creation of threats in -two- different ways: by threatening to place one of our own pieces on the newly-controlled square or by denying access of the opponent's pieces to this newly-controlled square. That is, your pieces can utilize the square while your opponent's cannot.

Gaining control of a <SQUARE>:

1) <GAINS ACCESS> to that square for the piece that took control of the square (28 Qa4! -> 29 Qc6+ in Mamedyarov game)

2) allows other friendly pieces to use the square (<COORDINATION>)(13 Ba5! -> 14 Nc7+ in Morozevich game)

3) <DENIES ACCESS> of this square to the opponent's pieces (46 ... Nc3 covering e2 -> 47 ... Rb1#)

So if we can gain control of a critical <SQUARE> and at the same time threaten something else, like an <UNDEFENDED> piece (see Gelfand vs Kasimdzhanov below) or <CHECKING> the enemy king (see Kasparov vs Kramnik below), then we have a <DOUBLE ATTACK> in which one <TACTICAL TARGET> is the gaining of control of this critical <SQUARE>.

Game #1: takes away a luft square (e2) while threatening an undefended piece

Game #2: takes away a retreat square (f7) while checking the opponent's king

Game #3: coordinates on a knight fork square (c7) while embarrassing the opponent's queen

Game #4: coordinates on a knight fork square (c7) while embarrassing the opponent's queen

Game #5: puts queen in position to remove guard (c6) while attacking loose rook

So in these five games, one <TACTICAL TARGET> is a critical square while the second <TACTICAL TARGET> is an undefended piece, the enemy king, the enemy queen, the enemy queen, and a loose piece, respectively.

45 Rc7-c8! forks the two loose a8-promotion,h8-mating squares
Ivanchuk vs Morozevich, 2009 
(D38) Queen's Gambit Declined, Ragozin Variation, 45 moves, 1-0

18 ... Qd6-c6! forks the loose h1-promotion square of h2-passer
M Manakova vs A Galliamova, 2009 
(B01) Scandinavian, 20 moves, 0-1

22 Qd1-b3+! forks Black f8-king, f7-flight square of f5-rook
Kasparov vs Kramnik, 1995 
(A36) English, 31 moves, 1/2-1/2

13 Bd2-a5! forks Black d8-queen, c7-tactical base of d5-knight
Morozevich vs Korchnoi, 2004 
(C77) Ruy Lopez, 13 moves, 1-0

28 Qa4! White queen gains access to c6 to remove the guard
Mamedyarov vs P Tregubov, 2006 
(D31) Queen's Gambit Declined, 28 moves, 1-0

22 Qf3-f6! wins piece with double attack on e7-knight,g5-square
Petrosian vs Portisch, 1974 
(A15) English, 27 moves, 1-0

27 Qa2-a3! threatens both e7-square, undefended Black c3-bishop
Capablanca vs Euwe, 1931 
(D17) Queen's Gambit Declined Slav, 35 moves, 1-0

38 ... Qf7-f3! Black queen forks loose White d1-rook, g2-square
Ivanchuk vs Leko, 2008 
(C84) Ruy Lopez, Closed, 43 moves, 1-0

Shirov vs Ivanchuk, 2008 
(B96) Sicilian, Najdorf, 29 moves, 1/2-1/2

21 Re1-e4! d4-forking square is a tactical target for e4-rook
A David vs Rozentalis, 2008 
(D20) Queen's Gambit Accepted, 21 moves, 1-0

37 - Qg5-e5+! forks White h2-king,e4-tactical base of b7-bishop
A Greenfeld vs C Daly, 2008 
(A48) King's Indian, 37 moves, 1/2-1/2

36 ... Rc2-c1+ forks White g1-king,b1-promotion square
Wade vs L'Ami, 2008 
(B20) Sicilian, 39 moves, 0-1

22 Qa8-a7! forks undef Black f2-knight, loose e7-mating square
Tal vs Larsen, 1979 
(B63) Sicilian, Richter-Rauzer Attack, 22 moves, 1-0

26 Bf4-c7!! made possible by queen fork Qe1-e5 of loose g7-sq
Spassky vs Averkin, 1973 
(B44) Sicilian, 35 moves, 1-0

14 Qb3-b5! forks undef Black a5-bishop, e8-square next d8-king
M R Kaldegg vs G Zeissl, 1903 
(C52) Evans Gambit, 17 moves, 1-0

35 Qd1-d7 forks the undef e8-mating square, 1-1 loose c7-bishop
Kramnik vs Topalov, 2006  
(E10) Queen's Pawn Game, 43 moves, 1-0

30 Qd3-f1 forks loose f7-square next to g8-king,undef c1-bishop
Carlsen vs L Dominguez, 2007 
(B92) Sicilian, Najdorf, Opocensky Variation, 42 moves, 1-0

23 ... Qb6-e6! forks the g4-pinning square, e1-back rank square
W So vs E Safarli, 2009 
(C86) Ruy Lopez, Worrall Attack, 26 moves, 0-1

29 Nd6-f5 targets the e7-,g7-flight square of the Black f8-king
Shulman vs Van Wely, 2009 
(D44) Queen's Gambit Declined Semi-Slav, 32 moves, 1-0

46 - Nc3! denies access of White f1-king to e2, back rank mate
Gelfand vs Kasimdzhanov, 2007 
(D43) Queen's Gambit Declined Semi-Slav, 47 moves, 1/2-1/2

19 Bb6! gains control of c7-square for 20 Nc7+, winning a8-rook
Teichmann vs H Suechting, 1911 
(C46) Three Knights, 20 moves, 1-0

24 Bf4xh6 forks the Black f8-rook, 1-1 loose g7-mating square
Petrosian vs Fischer, 1970  
(E77) King's Indian, 42 moves, 0-1

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

20 Qd2-g2! forks undef Black d5-knight, loose g7-mating square
Adams vs C G Ward, 2001 
(A07) King's Indian Attack, 49 moves, 1-0

21 Qd3-a3+! forks Black f8-king, c5-,d6-flight squares of d5-Q
Sutovsky vs E Inarkiev, 2009 
(C42) Petrov Defense, 22 moves, 1-0

30 Qa1-f6! threatens both the Black f7-knight,d6-forking square
D E Cori Tello vs A Muzychuk, 2010 
(E10) Queen's Pawn Game, 37 moves, 1-0

28 Rf2-f3 forks Black b3-queen, h3-mating square
Kamsky vs V Akobian, 2011 
(C11) French, 34 moves, 1-0

55 ... Bc5-e3! 0-1 denies d2-sq to c2-king, supports .. Rh1-c1#
M Dziuba vs M Rutkowski, 2010 
(D12) Queen's Gambit Declined Slav, 55 moves, 0-1

25 Bg5-e7! threatens f8-rook, denies f8-square to Black g8-king
Mamedyarov vs Ganguly, 2011 
(E32) Nimzo-Indian, Classical, 27 moves, 1-0

40 ... Ng7-f5+! threatens g3-king, invasion of q-side via d4-sq
Karjakin vs Kramnik, 2011 
(C67) Ruy Lopez, 59 moves, 1-0

28 Qe3-e4! attacks c6-forking sq, forms pinning chain on b1-h7
Carlsen vs Nakamura, 2011 
(D10) Queen's Gambit Declined Slav, 40 moves, 1-0

43 Qc3-e1! supports h4-sq to trap Black g4-queen with Rh3-h4
Svidler vs A Galkin, 2011 
(B12) Caro-Kann Defense, 43 moves, 1-0

Kamsky vs Nepomniachtchi, 2011 
(A00) Uncommon Opening, 52 moves, 1-0

Ni Hua vs D Polajzer, 2011 
(B48) Sicilian, Taimanov Variation, 26 moves, 1-0

Kramnik vs Ivanchuk, 2008 
(D93) Grunfeld, with Bf4 & e3, 43 moves, 0-1

Capablanca vs Rossolimo, 1938 
(D63) Queen's Gambit Declined, Orthodox Defense, 29 moves, 1-0

19 Ne4-f6+! intends 20 Qd2-c2, forking loose a4-rook,h7-mate sq
Ivanchuk vs Leko, 2007 
(C45) Scotch Game, 27 moves, 1/2-1/2

32 Rd1-d5! forks the unprotected Black c5-bishop,h5-checking sq
Koneru vs Qi Guo, 2012 
(D08) Queen's Gambit Declined, Albin Counter Gambit, 40 moves, 1-0

27 Qd2-g5+ checks g7-king, supports e7-sq for 28 Ba3-e7 1-0
J Polgar vs P Prohaszka, 2011 
(B12) Caro-Kann Defense, 28 moves, 1-0

g5-pinning sq
D Andreikin vs Tomashevsky, 2013 
(D15) Queen's Gambit Declined Slav, 42 moves, 1-0

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