1.e4
c5
2.d3
g6
3.c3
[ 3.Nc3
Bg7
4.f4
e6
5.Nf3
Nc6
6.Be2
Nge7
7.0-0
0-0
8.Qe1
Nd4
9.Bd1
Nec6
10.e5
1/2-1/2 Sikora Lerch,J-Rasik,V/CSR 1991/EXT 2002 (10)]
3...Bg7
[ 3...d5
4.Nd2
Bg7
5.f4
e5
6.fxe5
Nc6
7.Nb3
c4
8.exd5
Nxe5
9.Nd4
Qe7
10.dxc4
Nd3+
11.Kd2
Nf2
12.Qf3
Nxh1
13.Bd3
Nf6
14.Nh3
Ng4
15.d6
Qxd6
16.Nb5
Qxh2
17.Kc2
Be5
18.Bf4
Bxf4
19.Re1+
Ne3+
20.Kb3
Bxh3
21.gxh3
0-0
0-1 Rasmussen,A-Busk,C/Copenhagen 2002/CBM 89 ext (21)]
4.Nf3
d6N
Prevents intrusion on e5 [ 4...Nc6
5.Be2
Qb6
6.Qb3
Qc7
7.Be3
b6
8.0-0
Nf6
9.Qc2
Ng4
10.Bc1
Bb7
11.Nbd2
h5
12.h3
0-0-0
13.g3
h4
14.Nxh4
Rxh4
15.Bxg4
Rxg4
16.hxg4
Ne5
17.Kg2
d5
18.Rh1
Nxg4
19.Nf1
Nf6
20.f3
c4
21.e5
Qxe5
22.d4
Qc7
23.Bf4
Qc6
24.Be5
Rg8
25.Nh2
Kd8
26.Rae1
Bc8
27.Qe2
g5
28.Ng4
Be6
29.Qd2
Bxg4
30.fxg4
Ne4
31.Qe2
f6
32.Bxf6
exf6
33.Rh7
Qd6
34.Qf3
Qe6
35.Re3
Ke7
36.Rh1
Kf7
37.Qf5
Re8
38.Rf1
b5
39.Rfe1
a5
40.Rf1
b4
41.cxb4
axb4
42.Rc1
Qxf5
43.gxf5
g4
44.a3
Bh6
45.Rh1
Bxe3
46.Rh7+
Kg8
0-1 Van Weeren,H-Day,J/Edmondton 2000/EXT 2002 (46)]
5.Nbd2
Nc6
6.a4
Nf6
7.Be2
0-0
8.0-0
Be6
9.Ng5
Bd7
10.f4
h6
11.Ngf3
Rc8
12.Nh4
White prepares f5
12...e6
Covers f5
13.Qe1
Kh7
[ 13...Qc7
14.Qg3=
]
14.g4
White intends f5 [ 14.Nhf3
Na5=
]
14...Ng8
15.Nc4
Qc7
16.f5
exf5
[ 16...g5
17.Nf3
d5
18.fxe6
fxe6
19.Na3=/+
]
17.Bf4
Ne5
[ Not 17...fxg4
18.Bxd6
( 18.Nxd6?
g5-+
) 18...Qd8
19.Bxc5+/-
]
18.Bxe5
[ Worse is 18.gxf5
Nxc4
19.dxc4
g5-+
]
18...dxe5
19.gxf5
Qd8
[ 19...gxf5!?
deserves consideration 20.Nxf5
Bxf5
21.Rxf5
Ne7=
]
20.Qg3
Be8
[ 20...g5
21.Nf3
f6
22.d4
cxd4
23.cxd4+/=
]
21.fxg6+
fxg6
22.Nxe5??
with this move White loses his initiative [ >=22.Rxf8
Bxf8
23.Nf3+/-
]
22...Rxf1+-+
23.Rxf1
Bxe5
24.Qxe5
Qxh4
25.Qe6
Qg5+
26.Kh1
Qd8??
hands over the advantage to the opponent [ >=26...Ne7-/+
]
27.Rf8+/-
Threatening mate... how?
27...Ne7
[ >=27...Nf6
28.Qxf6
Qxf6
29.Rxf6
Kg7+/-
]
28.Qf6??
throwing away the advantage [ 28.d4
cxd4
29.Bc4
dxc3
30.Qe5
Qd1+
31.Bf1+-
]
28...Ng8=
29.Qe6
Threatening mate: Qxg8 1/2-1/2