(1) Leko - Karpov [D26]
Miskolc (5), 02.09.2006

1.d4 d5 2.c4 dxc4
Big surprise: Karpov plays QGA (Queen's Gambit Accepted) with Black!

3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.0-0! a6 7.Bb3 Nc6 8.Nc3 Be7 9.Qe2 cxd4 10.Rd1 0-0! 11.Nxd4!
After this game this move will be very popular.

11...Nxd4 12.exd4 Nd5 13.Qf3 Nxc3 14.bxc3 Qc7
[14...Ra7?! 15.d5 exd5 16.Bxd5 Qa5 17.Bf4 b6 18.Be5 Be6 19.Qg3+/- ]

It is a mistake: the c1B is a good attacking piece, the exchange is favour for Black. [15.c4 Bf6 (15...e5?! 16.Qg3 Be6 (16...Bf6 17.Bb2 ) 17.Bh6 Bf6 18.Re1 Rfd8 19.dxe5 Kf8 20.f4 Qb6+ 21.c5 Qxc5+ 22.Kh1 1-0 Aleksandrov-Nikitin, Smolensk 2000; 15...b6? 16.Qxa8 Bb7 17.Bf4 Qc6 18.d5 Qd7 19.Qa7+- ; 15...Bd6?! 16.c5 Be7 (16...Bxh2+ 17.Kh1 Bd7 18.g3 Bc6 19.d5+- ) 17.Bf4 Qd7 18.Rac1 Qc6 19.d5 exd5 20.Bxd5 Qg6 21.h3 Ra7 22.Qe3 Bf6 23.c6 bxc6 24.Be4 Bf5 25.Bxf5 Qxf5 26.g4 1-0 Kasparov-Spangenberg, Simul, Buenos Aires; 15...Bd7 16.Bf4 Bd6 17.Bxd6 Qxd6 18.Qxb7 Bc6 19.Qb6+/- ) 16.Bf4 e5 17.Bg3 Qa5 18.dxe5 Bxe5 19.Rd5 Qxd5 20.Qxd5 Bxa1 21.c5+/- ; 15.Rd3!? Rd8 16.Bf4! (16.Qh5 g6 ; 16.Bc2 e5! 17.dxe5 Be6 18.Bf4 Rac8 19.Rxd8+ Rxd8 20.Be4 b5 ) 16...Bd6 (16...Qc6 17.Qe2 ) 17.Bg5 Be7 18.Qh5 Bxg5 19.Qxg5 h6 20.Qg4 Qe7 21.Rg3 Qf6 22.Qe4+/- ]

15...Bd6 16.Bxd6 Qxd6 17.c4 Rb8 18.Rac1 Bd7 19.c5 Qc7 20.d5 exd5 21.Bxd5 h6
instead of this move [21...Bc6 22.Bxc6 Qxc6 23.Qxc6 bxc6 24.Rd6 Rfc8 is an easy draw]

[White's attack is not so dangerous, for example: 22.Qh5 Bc6 23.Bb3 Rbe8 24.Rd6 Re7 25.Rxh6 gxh6 26.Qg6+ Kh8 27.Qxh6+ Kg8= ]

22...a5 23.h4
[23.c6 bxc6 24.Bxc6 Bxc6 25.Rxc6 Qb7= ]

23...Qc8 24.Rd4
[24.Re1 Bc6 25.Rcd1 Bxd5 26.Qxd5 Rd8= ]

24...Be6 25.a3 Bxd5 26.Rxd5 Rd8
[26...Qc6?! 27.Qd3 Rbc8 28.Rd6 Qc7 29.Qd5+/= ]

27.Rxd8+ Qxd8 28.Rb1 Qc7?!
[28...b5 29.c6 b4 30.axb4 axb4= ]

29.Rb5 a4 30.Qe4 Kh8 31.Qxa4 Qc6 32.Ra5 Qd5!
It is a very good decision, because the White King is out of safety so Black can try to give perpetual check.

33.Ra8 Rxa8 34.Qxa8+ Kh7 35.Qa5?!
[35.Qe8 was the best move, but after 35...Qxc5 36.Qxf7 Qxa3 37.Qxb7 h5 the position is theoretical draw.]

35...Qd1+ 36.Kg2 Qd5+ 37.Kf1 Qd3+ 38.Kg1 Qd1+ 39.Kh2 Qd4 40.Kg2 Qd5+ 41.f3 Qa2+ 42.Kh3 Qe6+ 43.g4 Qe3 44.Kg3
[44.Kg2 Qe2+ 45.Kg3 Qe5+ 46.Kf2 Qh2+= ]

44...Qg1+ 45.Kf4 Qd4+ 46.Kg3 Qg1+ 1/2-1/2