A15: English Opening: 1...Nf6
1.c4
Nf6
2.g3
g6
3.Bg2
d6
[3...c6
4.e4
d5
5.cxd5
cxd5
6.e5
Nfd7
7.d4
Nb6
8.Nc3
Nc6
9.Nge2
Bg7
10.h4
Bf5
11.Nf4
Qd7
12.0-0
0-0
13.Be3
Rfd8
14.Qe2
Rac8
15.Rad1
Na5
16.Ncxd5
Nxd5
17.Bxd5
Rc2
18.Rd2
Wahls,M (2568)-Nunn,J (2578)/Germany 2001/CBM 082 ext/1/2-1/2]
4.Nf3N
[4.Nc3
Bg4
5.Bxb7
Nbd7
6.Bxa8
Qxa8
7.Nf3
Ne5
8.Qa4+
Nfd7
9.Nd5
Qb7
10.Qb5
Nxf3+
11.exf3
Qxb5
12.cxb5
Bxf3
13.Nxc7+
Kd8
14.Ne6+
fxe6
15.Rg1
Ne5
16.d4
Nd3+
17.Kd2
Nxf2
18.Rf1
Bh6+
De Biasi,R (1895)-Lengert,V (1710)/St Chely d'Aubrac 2005/CBM 107 ext/0-1 (41); 4.b4
Bg7
5.Bb2
0-0
6.Nc3
e5
7.d3
Nc6
8.b5
Ne7
9.Nf3
h6
10.0-0
Be6
11.Nd2
Qc8
12.Qc2
Bh3
13.e4
Bxg2
14.Kxg2
Nh5
15.Nd5
Qd7
16.a4
f5
17.f3
Rf7
18.Nb3
c5
Peyrat,O (2272)-Simon,O (2303)/Paris 2004/CBM 101 ext/1/2-1/2 (77)]
4...Be6
5.d3
Covers c4+e4 [5.Qb3
Qc8+/=
]
5...Qc8
6.0-0
[6.Nc3
Bg7+/=
]
6...Bh3
7.Nc3
[7.Bxh3
Qxh3
8.Qb3
b6+/=
]
7...Bxg2
8.Kxg2
c6
9.Bd2
[9.Bf4
Bg7=
]
9...Bg7
10.Qc1
0-0
11.Bh6
Nh5
12.Bxg7
Nxg7
13.b4
[13.d4
Nd7+/=
]
13...Nd7
14.a4
White prepares b5
14...Qe8
15.Qb2
White intends b5 [15.a5
f6+/=
]
15...e5
16.Nd2
[16.a5
a6+/=
]
16...g5
17.Nce4
[17.Nde4
Qe7=
]
17...Qe7
18.b5
White wins space [18.a5
f5
19.Nc3
Ne6=
]
18...f5
Black threatens to win material: f5xe4
19.Nc3
Rab8
20.Qa2
[20.a5
Ne6=/+
]
20...Kh8
21.Rab1
f4
22.Nce4
h5
23.Nf3
[23.Qa3
Nf5=
]
23...Ne6
24.Qa3
[24.Kh1
Ndc5
25.Nxc5
Nxc5
26.gxf4
g4=/+
]
24...Ndc5
25.Nxc5
Nxc5
26.Qa1
[26.gxf4
g4
27.Nd2
exf4=/+
]
26...Nd7
27.Nd2
h4
28.g4
h3+
29.Kxh3
Qh7+
30.Kg2
Nf6
31.h3
[31.bxc6
Nxg4
32.h3
Nf6+/-
]
31...c5
32.Rh1
Kg7
33.Nf3
Qh6
34.Rbg1
Kf7
35.Kf1
Rg8
36.h4
Nh7
37.hxg5
Qg7
38.Rh5
[38.Rh6
and White can already relax 38...Nxg5
39.Rxd6
Rbe8
40.Rd7+
Re7
41.Nxe5+
Ke8
42.Rxe7+
Kxe7+-
]
38...Rh8
39.Kg2
[>=39.Rgh1
keeps an even firmer grip 39...Rbg8
40.d4
e4+-
]
39...Rbg8
40.Rgh1
Nf8
41.R1h2
[41.R1h4
makes it even easier for White 41...Ng6
42.Rh2
Ke7+-
]
41...Ng6
42.Qh1
a6
43.Rxh8
[>=43.bxa6
and White wins 43...bxa6
44.Rh7
Qxh7
45.Rxh7+
Rxh7
46.Qxh7+
Rg7
47.Qh6+-
]
43...Rxh8
44.Rxh8
Nxh8
45.Qh6
[45.Qh5+!?
seems even better 45...Ke7+-
]
45...Ng6
46.Qxg7+
[>=46.Kh3!?
might be the shorter path 46...axb5
47.axb5
e4
48.dxe4
Qa1
49.Qh7+
Qg7+-
]
46...Kxg7
47.Kh3
Kf7
48.Nh4
Nxh4
49.Kxh4
axb5
50.axb5
d5
51.cxd5
e4
52.d6
f3
53.e3
exd3
54.g6+!
touché! [54.g6+
Kf6
55.g5+
Ke6
56.g7
Kf7
57.d7
Ke7
58.g8Q
Kxd7
59.Qh7+
Ke6
60.g6
Kd5
61.g7
Kc4
62.g8Q+
Kb4
63.Qe4+
Ka3
64.Qa8+
Kb2
65.Qxd3
c4
66.Qaa3#
] 1-0