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(1) Wesley So (2531) - David W Howell (2527) [C47]
World Junior Championship Yerevan ARM (5), 07.10.2007
1.e4
e5
2.Nf3
Nc6
3.Nc3
Nf6
4.d4
exd4
5.Nxd4
Bb4
6.Nxc6
bxc6
7.Bd3
d5
8.exd5
cxd5
9.0-0
0-0
10.Bg5
c6
11.Qf3
Be7
12.Rfe1
Diagram # White's chances are tied with his ability to maneuver his rook to support an attack on the kingside. That is Black must immediately oppose the rook. A sample of what can happen if Black is careless: 12...Re8
[12...Be6
13.Qg3
Rb8
14.b3
Bb4
15.Re3
Bxc3?
(15...d4
loses to 16.Qh4
) 16.Bxh7+
Kxh7
17.Qh4+
Kg8
18.Rxc3
Simutowe, A (2421)-Ippolito, D (2395)/ Parsippany 2007 1-0 (55).] 13.h3
h6
14.Bf4
Nh7
Diagram # The usual move is now 14...Bd6, but Howell gets an idea to bring his knight to g5. 15.Bxh6
Ng5
[after 15...gxh6
16.Bxh7+
Kxh7
17.Qxf7+
Kh8
18.Qg6
Bd7
19.Qxh6+
Kg8
20.Qg6+
Kf8
21.Re3
White has th ree passed pawns on the kingside for the sacrificed piece, and Black's king is still exposed to mating threats. This is a no-brainer and he doesn't need a second invitation.] 16.Bxg5
Bxg5
17.Rxe8+
Qxe8
18.Nxd5!
Diagram # To his chagrin Howell notices that 18...cxd5 19.Qxd5 introduces a double attack on a8 and g5. 18...Bd8
19.Ne3
Rb8
20.b3
Qe5
21.Rd1
Bc7
22.Bc4
Be6
23.Bxe6
Qxe6
24.Qf5
Qe8
25.Rd4
g6
26.Qe4
Qf8
27.Qxc6
Bb6
28.Rd3
Rc8
29.Qf3
Bxe3
30.Qxe3
Rxc2
31.Qxa7
Qe8
32.Qe3
Qc8
33.Qe7
Qf5
34.Rd8+
Kg7
35.Qf8+
Kf6
36.Qd6+
Kg5
37.h4+
[The following sequence is forced 37.h4+
Kh6
38.Qf8+
Kh5
39.Qh8+
Kg4
40.Rd4+
] 1-0
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