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Osterwald, Elwin
(2200) -
Ritsema, Ronald JE
(2103) -
Amsterdam Science Park op-A 1st
(2), Amsterdam, 2011
A11
1.c4
Nf6
2.g3
c6
3.Bg2
d5
4.Nf3
dxc4
5.a4
Be6
6.Na3
Qa5
7.Qc2
Qh5
8.h3
Qg6
9.Qxg6
hxg6
10.Ng5
Bc8
11.Nxc4
e6
12.Ne5
Bc5
13.Ngxf7
O-O
14.Ng5
Bxf2+
15.Kxf2
Ng4+
16.Kg1
Nxe5
17.a5
Na6
18.d3
Nf7
19.Be4
Nc5
20.Bxg6
Ne5
21.Bh7+
Kh8
22.Be3
Na6
23.Be4
Bd7
24.Kg2
Nf7
25.Nxf7+
Rxf7
26.Rhf1
Rxf1
27.Rxf1
Kg8
28.g4
Nb4
29.Bd4
Nd5
30.Kg3
a6
31.g5
Ne7
32.Bc5
Nf5+
33.Kf4
Rd8
34.Bf3
Nh4
35.Ke5
Bc8
36.Be4
Nf5
37.Bb6
Rd6
38.Rxf5
exf5
39.Kxd6
fxe4
40.dxe4
Bxh3
41.Ke7
Bg2
42.e5
Be4
43.e6
Bf5
44.e4
Bg4
45.g6
Bh3
46.Bd4
Bg2
47.Kd8
Bxe4
48.e7
Bxg6
49.e8=Q+
Bxe8
50.Kxe8
g5
51.Kd7
Kf7
52.Kc7
1-0
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