1.
Nf3
d6
2.
g3
g6
3.
Bg2
Bg7
4.
O-O
Nd7
5.
c4
Ngf6
6.
Nc3
O-O
7.
d3
a5
8.
Bd2
e5
9.
a3
c6
10.
Rb1
Re8
11.
Ng5
Nf8
12.
Qa4
h6
13.
Nge4
Nxe4
14.
Nxe4
f5
15.
Nc3
Be6
16.
Qc2
Bf7
17.
e3
Ne6
18.
f4
h5
19.
Ne2
h4
20.
Bc3
hxg3
21.
hxg3
Qb6
22.
Qd2
Nc5
23.
b4
axb4
24.
axb4
Na4
25.
c5
Qd8
26.
Ba1
dxc5
27.
Bxe5
Bxe5
28.
fxe5
Rxe5
29.
bxc5
Nxc5
30.
d4
Ra2
31.
Qd1
Rxe3
32.
Nc1
Rxg2+
33.
Kxg2
Qg5
0-1
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Event
World U20-ch10 Preliminaries C
Site
Stockholm
Date
1969.08.13
Round
4
White
Rogoff, Kenneth
Black
Result
0-1
[Event "World U20-ch10 Preliminaries C"] [Site "Stockholm"] [Date "1969.08.13"] [Round "4"] [White "Rogoff, Kenneth"] [Black "Andersson, Ulf"] [Result "0-1"] 1. Nf3 d6 2. g3 g6 3. Bg2 Bg7 4. O-O Nd7 5. c4 Ngf6 6. Nc3 O-O 7. d3 a5 8. Bd2 e5 9. a3 c6 10. Rb1 Re8 11. Ng5 Nf8 12. Qa4 h6 13. Nge4 Nxe4 14. Nxe4 f5 15. Nc3 Be6 16. Qc2 Bf7 17. e3 Ne6 18. f4 h5 19. Ne2 h4 20. Bc3 hxg3 21. hxg3 Qb6 22. Qd2 Nc5 23. b4 axb4 24. axb4 Na4 25. c5 Qd8 26. Ba1 dxc5 27. Bxe5 Bxe5 28. fxe5 Rxe5 29. bxc5 Nxc5 30. d4 Ra2 31. Qd1 Rxe3 32. Nc1 Rxg2+ 33. Kxg2 Qg5 0-1