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Sveshnikov Siciliansk, Lxb5 [B33]
John Nunn - Ferenc Portisch, Budapest 1978
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.Bxf6 gxf6
10.Nd5 f5
11.Bxb5 axb5
12.Nxb5 Denne
stilling er meget ubalanceret. Hvid har givet en løber for to bønder
og to meget stærke heste. De er så stærke at sort ofte giver en kvalitet
for at komme af med en af dem. Sort har til gengæld løberparret og en
åben g-linie, som han kan bruge til modspil. Den sorte konge står desuden
relativ sikkert i centrum. I første omgang må sort gøre noget ved truslen
Nbc7+. 12...Ra4
Det bedste felt til tårnet, idet det straks indleder modspil. 13.Nbc7+
[ 13.c4
Qa5+ 14.b4
Rxb4 15.0-0
Rxb5 16.cxb5
Nd4 17.Qh5
Be6 18.Nf6+
Kd8 19.Rab1?
( 19.b6
Qxb6 20.Rfb1
Qa7 21.Rb2
fxe4 22.Rab1
Nc6 23.Rb7
( 23.Qh4
e3!?~~ ( 23...Be7
24.Qxe4 Bxf6
25.Qxc6 Qc7
26.Qf3 Bg7
27.Rb7+- ) ;
23.Nxe4 Be7
) 23...Qxa2
) 19...Be7 20.Qh6
Kc7 21.b6+
Kb7 22.Qg7
Rc8 23.Nxh7
Ne2+ 24.Kh1
Nc3 25.exf5
Bc4 26.f6
Nxb1 27.fxe7
Bxf1 28.e8Q
Rxe8 29.Qxf7+
Kxb6 30.Qxe8
Qe1 31.Qd8+
Kc6 32.Qc8+
Kb5 33.Qd7+
Kc5 34.Qc7+
Kb4 35.Qxd6+
Kc3 36.h4
Qe4 37.Qc7+
Kb2 38.f3
Qxh4+ 39.Kg1
Qe1 40.Qb6+
Bb5+ 41.Kh2
Qh4+ 42.Kg1
Nc3 43.g3
Ne2+ 44.Kf2
Qxg3+ 0-1 Rajlich,V-Gara,A/Budapest
HUN 2000/The Week in Chess 275/ (44); 13.b4
Rxb4 14.Nbc7+
( 14.Nxb4?!
Nxb4 15.c3
Nc6 16.Rb1
Be7 17.Qd5
Na5 18.Na7
Be6 19.Qb5+
Kf8 20.exf5
Bxf5 21.Rb4
Qc7 22.Qb8+
Qxb8 23.Rxb8+
Kg7 24.Rxh8
Kxh8 25.Ke2
Kg7 26.Rd1
Nb7 27.a4
Bc2 28.Ra1
Nc5 29.a5
Nb3 30.Ra2
Be4 31.Ke3
Bd5 32.g3
Bd8 33.Ra4
Bxa5 34.c4
Bb6+ 35.Ke2
Nc5 36.Ra1
Bxc4+ 37.Ke1
Nb3 38.Ra4
Bd5 39.Nc8
Bc5 40.Ra6
Bc4 41.Rc6
Bb5 42.Rc7
Ba6 43.Ne7
Nd4 44.Kd1
Nb5 0-1, Vavra,P
- Divis,J/CSR-chT 1992.) 14...Kd7
15.0-0 Qg5
( 15...Rb7
16.Qh5-> Ne7
17.Qxf7 Rxc7
( 17...Kc6
18.Rab1 fxe4
19.Rxb7 Kxb7
20.Rb1+ Kc6
21.Rb6+ Kc5
22.Rb3 Kc6
23.Rc3+ Kb7
24.Nxe7 Bxe7
25.Qd5+ Ka7
26.Qa8+ 1-0
Shirov,A-Lautier,J/Monaco MNC 2000/The Week in Chess 280 (26)) 18.Nb6+
Kc6 19.Rab1
d5 ( 19...Ba6
20.Qb3-> Rg8
( 20...Bxf1
21.Qa4+ Kb7
22.Nd7++- ;
20...Ra7 21.Qc3+
Kb7 22.Rfd1
Kb8 23.Rxd6!
Qxd6 24.Nc8++-
) 21.Rfd1+-
( 21.Qa4+
Kb7 22.Nc4+
Ka7 23.Rb6
Qc8 24.Nxd6
Kxb6 25.Nxc8+
Rxc8 26.Rb1+
Ka7 27.Qd7+
Ka8 28.exf5+-
( 28.Rb6
Rg6 ) ) )
20.Qf6+ Qd6
21.Qxh8 Ng6
22.Qg8 fxe4
( 22...Rg7
23.Qxd5+ Qxd5
24.exd5+ Kc7
25.Nxc8 Kxc8+/-
) 23.c4 d4
24.Nxc8 Rxc8
25.c5 1-0 Berendsen,R-Van
Beek,L/Nijmegen 1993/EXT 98 (25)) 16.Nxb4
Nxb4 17.Qb1
Rg8 18.g3
Kxc7 19.Qxb4
Kd7 ( 19...fxe4!
) 20.c4~~ Ke6
21.c5 Kf6
22.cxd6 f4
23.Rfd1 Be6
24.a4 h5
25.a5 h4
26.Rd3 Qh5
27.a6 hxg3
28.fxg3 Qe2
29.Qc3 Bxd6
30.Re1 Bc5+
31.Kh1 Qf2
32.Rf3 Bd4
33.Rxf2 Bxc3
34.Rb1 Bd4
35.Rf3 Bg4
36.Ra3 Ra8
37.gxf4 exf4
38.Rf1 Ke5
39.Ra5+ Kxe4
40.Ra4 Be2
41.Rxd4+ Kxd4
42.Rxf4+ Ke3
43.Rxf7 Bf3+
0-1 Vitolinsh,A-Cherniaev,A/Kherson 1990/EXT 97 (43)] 13...Kd7
14.0-0 Den kritiske
stilling i denne variant. [ 14.c4
Rxc4 15.0-0
( 15.Qh5
Rxe4+ 16.Kf1
Qh4 17.Qxf7+
Be7 18.Nxe7
( 18.Ne6
Ba6+ ( 18...Nd8
) 19.Kg1 Nd4
20.Nxd4 Rxd4-+
) 18...Nxe7
19.Rc1 (
19.Nd5 Kd8
( 19...Ba6+
20.Kg1 Bc4!?
) ) 19...Qh6
20.Rc2 Bb7
21.f3 Rb4
22.Ne6 Rc8
23.Rxc8 Bxc8
24.Nf8+ Kd8
25.Nxh7 Ba6+
26.Kf2 Rxb2+
27.Kg3 f4+
0-1 Dani,P-Zila,L/Hajduboszormeny 1995/EXT 97 (28)) 15...Nd4!
16.Na8 Ba6
( 16...Ke8!?
17.Nab6 Rc6
18.Qa4 Bb7
) 17.Nab6+ Ke8
18.Nxc4 Bxc4
19.Re1 fxe4
20.Nc3 Qa8
21.Rxe4 f5
22.Qxd4 Qxe4
23.Qb6 Qd4
24.Qb8+ Kf7
25.Rd1 Qf4
( 25...Qc5
26.b4 Qc6
27.b5 Qc5
28.b6 Rg8-+
/\ 29. ... Be7. ( 28...Bg7
29.Qb7+ Kg6
30.Qd7|^ ) )
26.g3 Rg8
27.Qc7+ Be7
28.Rxd6 Be6?
( 28...Rg4!
Defending the Bishop on c4. 29.Rd7
Qc1+ 30.Nd1
( 30.Rd1
Qxb2 Thanks
to the Rook on g4 this move is possible now.) 30...Kg6
31.b3 Rd4
and Black must be better, although White has chances to draw because
of the exposed black King. ; 28...Qc1+?
29.Rd1 ) 29.Rxe6!
Qc1+ ( 29...Kxe6
30.Qc6+ Bd6
( 30...Kf7
31.Qd5+ Kf8
32.Qxg8+ Kxg8
33.gxf4+- ) 31.Qd5++-
) 30.Kg2 Kxe6
31.Qc4+ Kd7
32.Qxg8 Qxb2
33.Qd5+ Ke8
34.Qxe5 Qb7+
35.Nd5 1-0 Knoppert,E-Dekker,B/Haarlem
1993/EXT 98 (35)] 14...Qg5
[ 14...Rxe4
15.Qh5 Qh4
16.Qxf7+ Be7
17.g3 ( 17.Ne6
/\ 18.Nb6#. 17...Nd8
18.Nxd8 Kxd8
19.g3 Rg4
20.Kh1 Qg5
21.f3 ( 21.f4
Qg7-+ ) 21...Rf8
22.Qxh7 Bb7-/+
) 17...Rg4 18.Nb5
( 18.Qxf5+
Kd8 19.Ne6+
Bxe6 20.Qxe6
Nd4 ( 20...Rhg8
21.Kh1 Qg5
( 21...Qh3?
22.Nxe7 ) 22.f4|^
) 21.Qxe7+ Qxe7
22.Nxe7 Kxe7=/+
; 18.Kh1
Qh6 19.Qxf5+
Kd8 20.Qd3
Rf8 21.Qb5~~
and the following variation is possible: 21...Nd4
22.Qb8 Nf3
23.Ne6+ Qxe6
24.Qb6+ Kd7
25.Qb5+ Kd8
26.Qb6+= ) 18...f4
19.Rad1 fxg3
20.fxg3 Rxg3+
21.hxg3 Qxg3+
22.Kh1 Qh3+
1/2-1/2 Garcia,G-Di Benedetto,G/Isla del Cerrito 1999/EXT 2000 (22)]
15.c4 Rxc4
[ 15...Rg8
16.g3 Ra7
( 16...Rxc4
17.Nb5 (
17.Na8!? ) 17...Ke8~~
( 17...Rxe4?
18.Nb6++- ) ;
16...Ra5
17.Nb5 (
17.b4 Nxb4
18.Nb5 Nxd5
19.Qxd5 Qf6
20.Rfd1 Qe6?!
21.Qc5!+/- Gruenfeld-Stein/Israel
1978) 17...Bb7
18.b4 Rxb5
19.cxb5 Nd4
20.f4 Qh4
21.Rc1 Rxg3+
22.hxg3 Qxg3+
23.Kh1 1/2-1/2
Antal,G-Gladyszev,O/Budapest 1999/EXT 2000) 17.Nb5
Rb7 18.f4
Qh4 19.Qf3
( 19.Qd2
Kd8 20.fxe5
Nxe5 21.b3
f6!<=> 22.Qa5+
Ke8 23.Rf2
( 23.Nbc7+
Kf7-/+ ) 23...Rbg7~~
; 19.exf5
Rxg3+= ) 19...Rxb5
( 19...exf4
20.Nxf4 Ne5~~
) 20.cxb5 Nd4
21.Qg2 Qh6
22.fxe5 dxe5
23.Rac1 f4
24.Rc7+ Kd8
25.Rfc1 Bh3
26.b6 fxg3
27.hxg3 Ne2+
28.Kf1 Bxg2+
29.Kxe2 Bxe4
30.Rc8+ Kd7
31.R1c7+ Ke6
32.Rc6+ Bd6
0-1 Dittmar-Antoszkiewicz/corr 1981] 16.b4
Bh6 [ 16...Rg8
17.g3 Rxe4
( 17...Nd4!?
; 17...fxe4!?
) 18.Rc1 Bb7
( 18...f4?
19.Qc2+- ; 18...Rg4
19.Rxc6! f4
20.Qa4+- ) 19.Qa4
f4 20.Qb5
fxg3 21.fxg3
Rxb4[] 22.Rxf7+
( 22.Nxb4
Qe3+ 23.Kg2
Qe4+ 24.Kg1
Qe3+= ) 22...Be7
23.Rxe7+ Qxe7
24.Nxb4~~ ] 17.Nb5
Rd4 18.Qa4
fxe4 19.Nxd4+-
exd4 20.Nb6+
Kc7 21.Rfc1
Qxc1+ 22.Rxc1
Bxc1 23.Nd5+
Kd7 24.Qd1
Ke6 25.Nb6
Ne5 26.Qxc1
Ba6 27.Qh6+
Ng6 28.Qh3+
f5 29.Qb3+
Kf6 30.Nd5+
Kg5 31.Qg3+
Kh6 32.Qh3+
Kg5 33.f4+
exf3 34.gxf3
f4 35.Qg4+
Kh6 36.Nxf4
Rg8 37.Kf2
d3 38.Ne6
Ne7 39.Qh4+
Kg6 40.Qxe7
d2 41.Nf4+
1-0
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