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Donaldson, John W
(2405) -
Costigan, Richard
(2240) - Northwest Chess October op, Seattle, 1983
B30
1.e4
c5
2.Nf3
Nc6
3.Bb5
Nf6
4.Nc3
Nd4
5.e5
Nxb5
6.Nxb5
Nd5
7.O-O
a6
8.c4
Nb4
9.Nc3
Nc6
10.Re1
d6
11.exd6
e6
12.d4
cxd4
13.Nxd4
Bxd6
14.Nxc6
bxc6
15.Ne4
Be7
16.Qg4
Kf8
17.Qg3
Ra7
18.Bf4
Rd7
19.c5
Rd3
20.Be3
h5
21.Qf3
e5
22.Nd6
Bxd6
23.cxd6
Rd5
24.b4
Be6
25.Rac1
Qd7
26.Qe2
Kg8
27.Qxa6
Rxd6
28.Qa5
Bd5
29.f3
½-½
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