1.e4
c5
The Sicilian
2.Nf3
d6
3.d4
cxd4
4.Nxd4
Nf6
5.Nc3
g6
The Dragon variation
6.Be3
With the idea of f3, Qd2, 0-0-0, and attacking the Black 0-0 king with h4-h5 and Be3-h6
6...Bg7
[6...Ng4??
7.Bb5++-
Bd7
(7...Nd7
8.Qxg4
; 7...Nc6
8.Nxc6
bxc6
9.Bxc6++-
) 8.Qxg4
]
7.f3
0-0
8.Qd2
Nc6
9.0-0-0
Bc4 and g4 are playable, but in this varaition, white prefers first to safeguard the king and to respond to Nc6-e5-c4 with a single move Bf1xc4 (rather than three moves: Bc4-b3xc4)
9...Nxd4
10.Bxd4
Be6
11.Kb1!
Setting a trap into which black now falls with
11...Qa5?
Diagram [11...Qc7
Idea Rfc8 and only then Qa5]
12.Nd5!
The most powerful threat, of course, is Qxa5, but white also threatens Nxe7+ winning a pawn
12...Qxd2
Thanks to Kb1, this is NOT check, permitting white to play an intermezzo (an in-between move) [12...Qd8
13.Nxf6+
Bxf6
(13...exf6
14.Bc3+/-
) 14.Bxf6
exf6+/-
]
13.Nxe7+
Kh8
14.Rxd2
Rfe8
Trying to trap the Ne7
15.Bxf6!
[15.Nd5!?
Nxd5
16.exd5
Bxd5
17.Bb5+/-
]
15...Bxf6
16.Nd5+-
And white emerges a clear pawn ahead and with a target on d6 1-0