Karpov, Anatoly - Korchnoi, Viktor
World Championship 29th
[1978.10.17]
[A43y]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c5 Attacking the opponent's center right off, Black tries to open up the long diagonal for his dark-squared bishop.

[ 6. ... e5?! 7.dxe5 dxe5 8.Qxd8 Rxd8 9.Bg5 Re8 10.Rfd1 Bg4
[ 10. ... h6 11.Bxf6 Bxf6 12.Nd5 Bd8 13.Nxe5! Rxe5 14.Nb6! +- ]
11.h3 Bxf3 12.Bxf3 Nc6 13.Nb5+/- ]
7.d5
[ 7.dxc5 dxc5 8.Qxd8 Rxd8 9.Be3 b6 10.Rfd1 Nc6 11.Rxd8+ Nxd8 12.Rd1 Bb7 13.Nd2 Ne6 14.e5 Nd7 15.f4 g5 16.fxg5 Nxe5 17.Nb3 a5 18.Na4 Ba6 19.Bxa6 Rxa6 20.h3 Nc4 0-1(26) Andersson, Ulf (2655) - Kramnik, Vladimir (2740) / Amber-rapid 06th (10), Monte Carlo MNC 1997 ]
7. ... Na6 The knight is transferred to c7 in order to prepare the b7-b5 advance. 8.Bf4 The pawn structure arising in this opening dictates the plans of both sides. White develops his forces, preparing to break through in the center with e4-e5. 8. ... Nc7 9.a4 b6 10.Re1 Bb7 11.Bc4!
[ 11.h3 Qd7! 12.Bc4 Rad8! 13.Qd3 e5 ]
11. ... Nh5?!
[ 11. ... a6 ]
12.Bg5 Nf6 13.Qd3! a6 14.Rad1 Rb8 15.h3 Nd7 16.Qe3! Ba8 17.Bh6! A typical exchange after which the strength of the b6-b5 advance is substantially decreased. 17. ... b5 18.Bxg7 Kxg7 19.Bf1 Nf6 20.axb5 axb5 21.Ne2! Bb7
[ 21. ... e5 22.dxe6 Nxe6 23.Ng3+/- ]
22.Ng3 Ra8 23.c3 Ra4 24.Bd3 Qa8 25.e5 dxe5
[ 25. ... Nfxd5 26.Nf5+ gxf5 27.Qg5+ Kh8 28.Qxf5+- ]
26.Qxe5 Nxd5 27.Bxb5 Ra7 28.Nh4! Bc8
[ 28. ... Bc6 29.Bxc6 Qxc6 30.c4 Nb4 31.Rd6! exd6 32.Nh5+ gxh5 33.Qg5+ Kh8 34.Qxf6+ Kg8 35.Nf5+- ]
29.Be2! Be6 30.c4 Nb4 31.Qxc5 Qb8 32.Bf1 Rc8 33.Qg5+- Kh8 34.Rd2 Nc6 35.Qh6 Rg8 36.Nf3 Qf8 37.Qe3 Kg7 38.Ng5 Bd7 39.b4 Qa8 40.b5 Na5 41.b6 Rb7
1-0

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