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Sunday, May 13, 2012

Demolishing the Pawn Structure. Part 1

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Demolishing the pawn Structure


(1) Hegedus - Milu
Romania 1991, 12.05.2012

XABCDEFGHY
8-+r+-trk+(
7zp-+-+pzpp'
6-+-+pvl-+&
5+-wq-+-+-%
4-zp-+PzP-+$
3+-+-+Q+-#
2PzPPtRN+PzP"
1+-mK-tR-+-!
xabcdefghy

1...b3! 2.a3 [2.Qxb3 Rb8 3.Qa4 Bxb2+ 4.Kd1 Rb4
5.Qa6 Ba3? 6.Rd3 Rc8 7.c3 Rb1+ 8.Kd2 Rb2+ 9.Kd1
Rcb8-+; 2.axb3 Qa5 3.Kd1 Qa1+ 4.Nc1 Bxb2-+]
2...Qxc2+! 3.Rxc2 Rxc2+ 4.Kb1 Rxb2+ 5.Kc1 Rc8+
6.Kd1 Rb1+ 7.Kd2 Rc2+ 8.Kd3 Rxe1-+





(2) Schlechter - Havasi
Kaschau 1918, 1918


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8r+-tr-+-mk(
7zp-zpltR-zpp'
6-+pzp-sn-+&
5wq-+-+-sN-%
4-+PsN-zP-+$
3+-+Q+-+P#
2PzP-+-+P+"
1+-+-+RmK-!
xabcdefghy

1.Nxh7 [1.Rf7 White is preparing to pick up the Knight
on f6-square  as it is defending the important h7-
square. Therefore, Black will have to block the b1-h7
diagonal. 1...g6 2.Rxf6 Rf8 White has to take control
of the b2-h8 diagonal. 3.Nb3 cleared the square e4 for
Queen. 3...Qb6+ 4.c5 Qb5 5.Qd4 Kg8 6.cxd6 Rxf6
7.Qxf6 Qc4 8.dxc7 Re8 9.Qd8 Qd3 10.Qxe8+ Bxe8
11.c8Q Qe3+] 1...Nxh7 2.Qg6 Rg8 3.Rxd7 Nf6 4.Nf5
Qc5+ 5.Kh1 Qxc4 6.Ra1 Qxf4 7.Rxg7


(3) Garcia Martinez - Vaganian
Moskva, 1975


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8-tr-+q+k+(
7zp-+-zpp+-'
6-+-zp-vlp+&
5+-zpP+-sN-%
4-+-+-+-+$
3zP-+-+-zPL#
2-+Q+-zPK+"
1+rvLR+-+-!
xabcdefghy

The pawn on f7-square is under the attack of the
White Knight. If the Knight captures this pawn then it
will be recaptured by either King or the Wueen. At the
same time the pawn on the g6-square is under the
attack of White Queen. and check. 1.Nxf7 Kxf7
[1...Qxf7 2.Be6] 2.Be6+ Kg7 3.Rh1 Rxc1 4.Qxc1 g5
5.Qc2 Qg6 6.Bf5 Qe8 7.Rh7+ Kg8 8.Be6+ Kf8 9.Rh8
+ Bxh8 10.Qh7 Qg6 11.Qxh8+ Qg8 12.Qxg8#


(4) Browne - Ribli
Denapasar 1982, 1982


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7zpl+-+-vlp'
6-zp-+-+p+&
5sn-+-sN-+-%
4-+Pzp-+-+$
3zP-+L+-+-#
2-vL-+Q+PzP"
1+-+R+RmK-!
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1.Nxg6 Re8 2.Qh5 White is ready to move its Knight
to e7-square so that there will be a attack on the
Black pawn on h7 with Bishop on d3 and Queen on h5.
2...Be4 3.Bxe4 Rxe4 4.Qf5! Black Rook on e4 is
attacked at  the same time Queen f7 and mate.
Therefore, Black will have to create escape square.
4...hxg6 5.Qxe4 Rxc4 6.Qxg6 Pawn structure is
demolished. 6...Rc6 7.Qf7+ Kh8 8.Rde1 Rc8 9.Re7
Qg8 10.Rxa7


(5) Fishbein  - Jellison
USA 1988, 1988


XABCDEFGHY
8-+-+-mkr+(
7zpp+-zpp+p'
6-+-+-+p+&
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1+-+-tRR+K!
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1.Rxe7! Rxd5 [1...Qh3 2.Rxf7+ Ke8 (2...Kxf7 3.Qf6+
Ke8 4.Qe7#) 3.Qe3+ Ne5 4.Qxe5+ Qe6 5.Qxe6+ Kd8
6.Qd7#] 2.Qf6 Rg7 3.Rxb7! Qc8 4.cxd5 Qxb7 5.Qd8
#


(6) Kotov - Unzicker
Stockholm 1951, 1951


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8-+-wq-+-mk(
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6-zp-+r+-zp&
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1.Bxh6 [1.Nxg7 Kxg7 2.Bxh6+ Kg8 3.Rg4+ Rg6 4.e6
Nd6 5.exf7+ Rxf7 6.Rxg6+ Kh8 7.Rxf7 Nxf7 8.Bg7+]
1...gxh6 2.Nxh6 f5 3.Rxf5 Ree7 4.Rg4 Ne3 5.Rg8+


(7) Kasparov - Marjanovic
Malta 1980, 1980


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6nzp-+-wq-+&
5+-+p+-sN-%
4-+-+-vL-+$
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1tR-+QtR-mK-!
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The King is in safe Bunker, behind the three pawns
and the Rook on f8-square. Whites aim should be to
demolish this bunker and force the King to come out.
1.Nxh7! Qd4 [1...Ne8 2.Nxf8 g6 3.Nd7 Qg7 4.Qxd5
Nac7 5.Qd1 Bxa1 6.Qxa1 Qxa1 7.Rxa1 Kg7 8.Rc1 Ne6
9.Be5+ Kh6 10.Bg2] 2.Qh5 g6 3.Qh4 Bxa1 4.Nf6+
Kg7 5.Qh6+ Kxf6 6.Bg5#


(8) Akopian - Kruppa
Minsk 1990, 1990


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7+-+-+-+p'
6-wq-+-+pmk&
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1+-+-+-tR-!
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The Black KIng is well behind the Bunker of three Black
pawns chain and the White's blocked pawn. It is very
important to break such chain to weaken the Bunker.
White has only one entry gate from f2-square. 1.Nxf5
+! gxf5 The chain is demolished.  2.Qf2 Rc2 3.Qxc2
Qxe3 4.Qb2 Qxf4+ 5.Rg3 Kh5 6.Qe2+ Bf3 7.Qe8+
Kh6 8.Qe6+ Kh5 9.Qf7+ Kh6 10.Qg7+ Kh5 11.Qxh7
+ Qh6 12.Qxf5+ Kh4 13.Rg4+ Bxg4 14.Qxg4#