1.
c4
Nf6
2.
Nf3
g6
3.
g3
Bg7
4.
Bg2
O-O
5.
Nc3
d6
6.
d4
Nbd7
7.
O-O
e5
8.
e4
Re8
9.
h3
exd4
10.
Nxd4
Nc5
11.
Re1
a5
12.
Qc2
a4
13.
Be3
c6
14.
Rab1
Qa5
15.
b4
axb3
16.
axb3
Ne6
17.
Nce2
Qa2
18.
Qd1
Nxe4
19.
Bxe4
Nxd4
20.
Bxd4
Rxe4
21.
Nc3
Rxe1+
22.
Qxe1
Qxb1
23.
Nxb1
Bxd4
24.
Qe8+
Kg7
25.
Nd2
Ra1+
26.
Kg2
Ra2
27.
Qxc8
Rxd2
28.
Qxb7
Rxf2+
29.
Kh1
c5
30.
b4
cxb4
31.
Qxb4
1/2-1/2
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Event
Site
Gstaad
Date
1973.06.??
Round
1
White
Jakobsen, Ole
Black
Primavera, Roberto
Result
1/2-1/2
WhiteElo
2420
BlackElo
2280
[Event "Clare Benedict Cup-20"] [Site "Gstaad"] [Date "1973.06.??"] [Round "1"] [White "Jakobsen, Ole"] [Black "Primavera, Roberto"] [Result "1/2-1/2"] [WhiteElo "2420"] [BlackElo "2280"] 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. d4 Nbd7 7. O-O e5 8. e4 Re8 9. h3 exd4 10. Nxd4 Nc5 11. Re1 a5 12. Qc2 a4 13. Be3 c6 14. Rab1 Qa5 15. b4 axb3 16. axb3 Ne6 17. Nce2 Qa2 18. Qd1 Nxe4 19. Bxe4 Nxd4 20. Bxd4 Rxe4 21. Nc3 Rxe1+ 22. Qxe1 Qxb1 23. Nxb1 Bxd4 24. Qe8+ Kg7 25. Nd2 Ra1+ 26. Kg2 Ra2 27. Qxc8 Rxd2 28. Qxb7 Rxf2+ 29. Kh1 c5 30. b4 cxb4 31. Qxb4 1/2-1/2