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Wednesday, June 8, 2011

Opening Strategy.

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 Slav Defence  : Exchange Variation

1.d4 ( 1.d3 d6 ) d5 2.c4 c6
{Black protects the strategically important d5-point while keeping the road
clear for the c8-bishop. However, undermining the center now with c6-c5
presumes a loss of tempo and Black looks for counter play on the queenside after capturing the white c4-pawn
{M. Chigorin, A. Alekhine and M. Botvinnik each made a huge contribution into
the development of the Slav defense. It is considered one of the most reliable
openings being part of the opening repertoire of world's leading players G.
Kasparov, An. Karpov, V. Kramnik and V. Anand.^013^010
} 3.cxd5
cxd5 } {The exchange leading to a symmetrical position does not promise White much}
4.Nf3 Nf6 5.Nc3 Nc6 6.Bf4 e6 } {
Black locks the lightsquared bishop inside the pawn chain but avoids weakening
the queenside and quickly completes development.} ( 6...Bf5 7.e3
( 7.Qb3 Na5 {+0.00} ) e6 8.Qb3 ( 8.Bd3 Bxd3 9.Qxd3 Be7 10.h3
O-O 11.O-O Rc8 {+0.00} ) ( 8.Bb5 {Botvinnik - Pomar 1966} Bb4
( 8...Nd7 9.Qa4 ( 9.O-O Be7 {see Seirawan - Beliavsky} ) Rc8
( 9...Qb6 10.Nh4 {+0.29} {!} ) 10.O-O ( 10.Bxc6 Rxc6 11.Qxa7
Qc8 {+0.00} {Tamashevsky - Borkovsky 1979} ) a6 11.Bxc6 Rxc6
12.Rfc1 Be7 {+0.00} {Hausner - Dolmatov 1981} 13.Ne2 Qb6 {!}
14.Rxc6 bxc6 15.Rc1 Bd3 {!} 16.Qd1 Bxe2 17.Qxe2 O-O {+0.00} {and White cannot prevent the emancipating c6-c5 advance}
) 9.Ne5 Qa5 10.Bxc6+ bxc6 11.O-O Bxc3 12.bxc3 Rc8 13.c4 O-O 14.g4 {+0.29}
{!} ) Bb4 9.Bb5 ( 9.Ne5 Qa5 {+0.00} ) O-O 10.O-O Bxc3 11.Bxc6
Bxb2 {+0.00} {Botvinnik - Trifunovic 1947} ) 7.e3 Be7
( 7...Bd6 8.Bxd6 ( 8.Bd3 {Botvinnik} Bxf4 9.exf4 {+0.29} )
( 8.Bg3 O-O 9.Bd3 b6 10.Rc1 Bb7 11.O-O Bxg3 12.hxg3 Qe7 {+0.00}
{Geller - Soos 1967} ) Qxd6 9.Bd3 O-O 10.O-O e5 {+0.00} {!} )
8.Bd3 O-O 9.h3 ( 9.O-O Nh5 10.Be5 f5 ( 10...f6 11.Ng5 {+1.22}
{!} ) 11.Rc1 Nf6 12.Bxf6 gxf6 {+0.00} {Capablanca - Lasker 1924} )
Bd7 10.O-O Qb6 11.a3 ( 11.Na4 Qa5 {+0.00} {threatening Nc6xd4} )
( 11.Qe2 Rfc8 {+0.00} {Botvinnik - Smyslov 1952} ) Na5 12.b4
Nc4 13.Ne5 {!} Rac8 14.Bxc4 dxc4 15.Bg5 Qd8 16.Qf3 {+0.29}
{White obtains a positional advantage, Portisch - Petrosian }
{It is desirable for Black to consider the move 6...Bf5 as dealt with above.
Then White would obtain lesser chances of fighting for the opening advantage.} 

Contd .........  
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