1.e4 c5 2.Nf3
Nc6 3.d4 cxd4
4.Nxd4 Nf6 5.Nc3
e5 6.Ndb5 d6
7.Bg5 a6 8.Na3
b5 9.Nd5 Be7
10.Bxf6 Bxf6 11.c3
Bg5 12.Nc2 Ne7 Radjabov
has played this line before and Karjakin came well prepared.
13.h4!?
|
|
[13.a4 bxa4 14.Ncb4
|
| |
(14.Rxa4 Nxd5 15.Qxd5
Be6 ) |
|
14...O-O
|
| |
(Also possible is
14...Bd7 which
is more justified now, since the exchange sac doesn't work out so well for White:
15.h4 (15.Rxa4
Nxd5 16.Nxd5 Bxa4
17.Qxa4+ Kf8 In
opposite to the game here the bishop will return to e7 or d8 instead of going to h6.) 15...Nxd5!
16.Qxd5 Be7 ) |
|
15.h4 Bh6!?
|
| |
(15...Nxd5 16.Nxd5
Be7 17.Rxa4 (17.Qxa4
Bxh4)  17...a5
18.b4! ) |
|
16.Rxa4 a5 /= 17.Nxe7+
Qxe7 18.Nd5 Qb7
19.b3 Kh8 20.Bc4
f5 ] |
|
|
|
[13.Ncb4 O-O 14.a4
|
| |
(14.h4 Nxd5 15.Nxd5
Be7 Another example that if White wants
to play h2-h4, then it makes sense to do it when the bishop cannot retreat to e7.
16.Bd3
Be6 17.Ne3 Rb8
18.a3 g6 19.g3 1/2-1/2
Kotsur,P (2500)-Shariyazdanov,A (2465)/Roque Saenz Pena 1997/EXT 98) |
|
14...bxa4 15.h4
|
| |
(or 15.Rxa4 a5) |
|
|
| |
(15.Qxa4 Nxd5 (15...a5
16.Bb5! Nxd5
17.exd5 /\ Nc6+/-) 16.Nxd5
Bd7 (16...Be6
17.Bc4 g6) 17.Qa5
Qb8 18.Qb6
Be6 19.Qxb8 (19.Bc4
Bxd5 20.Qxb8
Raxb8 21.Bxd5
Rxb2 1/2-1/2
Prasad,D-Shariyazdanov,A/Biel 1999/(29)
22.O-O Rb6
23.Rfb1 Rfb8
24.Rxb6 Rxb6
25.Bc4 h5
26.g3 Rc6
27.Bd5 Rb6
28.Bc4 Bd2
29.Rxa6 Rxa6 1/2-1/2
Prasad,D (2432)-Shariyazdanov,A (2588)/Biel 1999/EXT 2000) 19...Rfxb8
20.Nc7 Ra7
21.Nxe6 fxe6
22.b4 Rc7
23.h4 Bf6
24.Rh3 d5
25.Rxa6 d4
26.Kd2 dxc3+
27.Rxc3 Rd7+ 1/2-1/2
Balashov,Y (2534)-Cherniaev,A (2432)/Moscow 1999) |
|
15...Bh6 16.Rxa4
a5 is same as 13.a4] |
|
|
|
[13.Be2 O-O] |
|
13...Bh6
|
|
[13...Bxh4? 14.Rxh4
Nxd5 15.Qxd5
Be6 16.Qb7!
|
| |
(16.Qc6+ Bd7) |
|
16...Rb8 17.Qc6+
Bd7 18.Qxd6 ] |
|
|
|
[13...Nxd5? 14.Qxd5
Be6 15.Qc6+
Bd7 16.Qxd6 ] |
|
14.a4
|
|
[14.Nxe7 Qxe7
15.Nb4 O-O
|
| |
(15...Qb7 16.Qd5! /+/=) |
|
16.Nd5
|
| |
(16.Be2 Be6) |
|
16...Qb7] |
14...bxa4 15.Ncb4
|
|
[15.Rxa4?! Nxd5!
16.exd5
|
| |
(16.Qxd5 Be6 ) |
|
16...O-O 1/2-1/2
Rjabzev,K (2316)-Starikov,P (2219)/Toliatti 2000 (37)] |
15...Bd7 This move is designed to protect
pawn a4, but...
|
|
[ 15...O-O] |
16.Rxa4! A nice positional exchange
sacrifice, using the fact that the bishop on h6 is out of play.
16...Nxd5
|
|
[16...a5 17.Ra1
|
| |
(17.Nxe7 axb4
18.Rxa8 Qxa8
19.Nd5 O-O 20.cxb4
f5 (20...Rc8!?
21.Ne7+ Kh8
22.Nxc8 Qxe4+
23.Be2 Qxb4+
24.Kf1 Bxc8 )) |
|
|
| |
(17.Ra2!? Rb8
18.Na6 (18.Nxe7
axb4 19.Nd5 (19.Qxd6?
bxc3 ) 19...bxc3
20.bxc3 O-O) 18...Rb7
19.Nxe7 Qxe7
20.Rxa5 O-O 21.Nb4
Rxb4 22.cxb4
d5 23.Rc5!) |
|
17...Nxd5
|
| |
(17...Rb8 18.Nxe7
axb4 (18...Qxe7
19.Rxa5) 19.Qxd6
bxc3 20.bxc3
Be6 21.Qxd8+
Rxd8 22.Nd5
Bxd5 23.exd5
Rxd5 24.Bc4
Rd8 25.Ra7
O-O 26.Rh3) |
|
|
| |
(17...O-O 18.Nxe7+
Qxe7 19.Nd5
Qd8 is 17..a5 from the next comment) |
|
18.Nxd5
|
| |
(18.Qxd5?! O-O) |
|
18...Rb8
|
| |
(18...O-O see next comment 17...a5) |
|
19.g4
|
| |
(19.b3 O-O 20.Bc4 /=) |
|
19...Bf4 20.Nxf4
exf4 21.Qxd6
Rxb2 22.Qe5+
Be6 23.Bb5+
Kf8 24.O-O ] |
|
17.Nxd5 Bxa4
|
|
[It makes sense to reject the sacrifice with
17...a5
18.Ra1
|
| |
(18.Ra2 O-O 19.g4
Bf4 20.Nxf4
exf4 21.Qxd6
Bxg4 22.Qxf4
Be6) |
|
18...O-O 19.g4
|
| |
(19.Bc4 /
) |
|
19...Bf4 20.Nxf4
exf4 21.Qxd6
Qb8!
|
| |
(or 21...Bxg4)] |
18.Qxa4+ Kf8
19.b4! White has a very good compensation.
Such approach (exchange sac in order to dominate opponent's pieces) was demonstrated in the famous game
Kasparov-Shirov, Horgen 1994.
19...a5
|
|
[Possibly Black should have searched for counterplay with
19...g6
20.Bxa6 f5
21.b5 Kg7] |
|
20.b5 Rb8
|
|
[Now 20...g6 21.b6
Kg7 is not enough:
22.g3
f5 23.Nc7!
Qe7 24.Nxa8
Rxa8 25.Qc6
Rb8 26.Ba6 and
b7 or Qc7, with big advantage.] |
21.g3! g6
22.Bh3 Kg7
23.O-O Rf8
24.Ra1 Kh8 Too
slow. Good or bad Black had to try to play actively.
|
|
[24...f5 25.exf5
gxf5 26.Bxf5
|
| |
(26.Qxa5) |
|
26...Qe8! using the tactical idea
that pawn f2 is not protected.
|
| |
(26...Rxf5? 27.Qg4+) |
|
27.Be4!
|
| |
(27.Qg4+ Kh8
28.c4 Qf7) |
|
|
| |
(27.Bd3 Qf7) |
|
27...Qxb5 28.Qxb5
Rxb5 29.Nc7
Rfb8! and Black holds:
30.Nxb5
Rxb5 31.Rd1
|
| |
(31.c4 Rc5
32.Bd5 Bd2!
33.Rb1 Bb4) |
|
31...Rb6 32.Rd5
Ra6 33.Bd3
Ra7 34.Rxd6
a4] |
25.Qxa5
Qe8 26.c4
f5
|
|
[26...Rb7] |
|
27.Qc7 Qf7
|
|
[White is winning after
27...Rc8
28.Qxd6 Rxc4
29.exf5 For example:
29...Qxb5
30.Ra7] |
|
|
|
[27...Rf7 28.Qxd6
Bf8 29.Qc6
|
| |
(29.Qa6?! Bc5) |
|
29...Qxc6 30.bxc6] |
|
28.exf5!
|
|
[28.Qxd6 fxe4
29.Rf1
|
| |
(29.Ra2 Ra8!)] |
28...Qxc7 29.Nxc7
gxf5 30.Ra6
Rf7 31.Nd5
Bf8 32.Rc6
f4? A mistake in a very difficult position.
Black should have tried to keep the bishop h3 out of play.
|
|
[32...Kg7 33.b6
Kg6 /+-] |
33.Be6 Rg7
34.g4 The
triumph of White's strategy. Black's bishop remained passive, while White's pieces dominate on light
squares.
34...Re8 35.Bf5
Be7 36.h5
Bg5 37.b6
e4 38.Rc8
Rxc8? Loses at once.
|
|
[On the other hand also after
38...Rd8
39.Kf1 Black is helpless] |
|
39.Bxc8 e3
40.fxe3 fxe3
41.b7
|
|
[41.b7 e2 42.Kf2] |
1-0 |
