1.
e4
c5
2.
Nf3
e6
3.
c3
d5
4.
e5
Nc6
5.
d4
Qb6
6.
a3
c4
7.
g3
Bd7
8.
Bh3
Na5
9.
Nbd2
Be7
10.
O-O
O-O-O
11.
Rb1
h5
12.
b3
cxb3
13.
Nxb3
Ba4
14.
Nfd2
Nh6
15.
Qc2
Kb8
16.
Qa2
Qc7
17.
Nxa5
Qxa5
18.
Qb2
Rd7
19.
Bg2
Nf5
20.
h3
Qa6
21.
Re1
Rc8
22.
Nf3
Qd3
23.
Bd2
Rc6
24.
Qa1
Nh6
25.
Rb2
Qf5
26.
Rc1
Rdc7
27.
Ne1
Rc4
28.
Bf1
Bc6
29.
Kg2
Qe4+
30.
f3
Qg6
31.
Bxh6
gxh6
32.
Bxc4
dxc4
33.
Kh2
f6
34.
h4
fxe5
35.
dxe5
Bc5
36.
Rd1
Rg7
37.
Rg2
Qf5
38.
Qc1
Qxe5
39.
Qxh6
Rf7
40.
Qg5
Qxg5
41.
hxg5
Rg7
42.
Re2
Rxg5
43.
f4
Rg6
44.
Rd8+
Kc7
45.
Rh8
Bxa3
46.
Rxh5
Kd6
47.
Rd2+
Bd5
48.
Nf3
Rf6
49.
Nd4
Ke7
50.
Nb5
Bc1
51.
Rc2
Be3
52.
Re2
1-0
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Event
Site
Buenos Aires
Date
1978.10.28
Round
4
White
Roos, Louis
Black
Ogaard, Leif
Result
1-0
BlackElo
2435
Score
[Event "Olympiad-23"] [Site "Buenos Aires"] [Date "1978.10.28"] [Round "4"] [White "Roos, Louis"] [Black "Ogaard, Leif"] [Result "1-0"] [BlackElo "2435"] 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Qb6 6. a3 c4 7. g3 Bd7 8. Bh3 Na5 9. Nbd2 Be7 10. O-O O-O-O 11. Rb1 h5 12. b3 cxb3 13. Nxb3 Ba4 14. Nfd2 Nh6 15. Qc2 Kb8 16. Qa2 Qc7 17. Nxa5 Qxa5 18. Qb2 Rd7 19. Bg2 Nf5 20. h3 Qa6 21. Re1 Rc8 22. Nf3 Qd3 23. Bd2 Rc6 24. Qa1 Nh6 25. Rb2 Qf5 26. Rc1 Rdc7 27. Ne1 Rc4 28. Bf1 Bc6 29. Kg2 Qe4+ 30. f3 Qg6 31. Bxh6 gxh6 32. Bxc4 dxc4 33. Kh2 f6 34. h4 fxe5 35. dxe5 Bc5 36. Rd1 Rg7 37. Rg2 Qf5 38. Qc1 Qxe5 39. Qxh6 Rf7 40. Qg5 Qxg5 41. hxg5 Rg7 42. Re2 Rxg5 43. f4 Rg6 44. Rd8+ Kc7 45. Rh8 Bxa3 46. Rxh5 Kd6 47. Rd2+ Bd5 48. Nf3 Rf6 49. Nd4 Ke7 50. Nb5 Bc1 51. Rc2 Be3 52. Re2 1-0