1.
d4
Nf6
2.
Nf3
g6
3.
Nbd2
Bg7
4.
e4
d6
5.
Be2
O-O
6.
O-O
Nc6
7.
c3
Re8
8.
Qc2
e5
9.
dxe5
Nxe5
10.
Nxe5
Rxe5
11.
Bd3
Re8
12.
Nc4
Nd7
13.
Be3
b6
14.
Bd4
Bb7
15.
Ne3
Nf6
16.
f3
Qe7
17.
Bc4
c6
18.
Rad1
Rad8
19.
Rfe1
Bc8
20.
Bf1
Bh6
21.
Qd2
Bg7
22.
c4
Nh5
23.
Bxg7
Nxg7
24.
b4
h5
25.
b5
Bb7
26.
bxc6
Bxc6
27.
Nd5
Bxd5
28.
cxd5
Qf6
29.
Bb5
Re7
30.
f4
h4
31.
Re2
Nh5
32.
Rf1
Qh8
33.
Rf3
Qh6
34.
Bc6
f6
35.
Re1
Rf8
36.
Qb4
Rd8
37.
Qd4
Nxf4
38.
Qxf6
1-0
Opening Explorer
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Event
Site
Biel
Date
1982.07.??
Round
1
White
Mariotti, Sergio
Black
Result
1-0
WhiteElo
2455
BlackElo
2590
Score
[Event "Biel-15 GM"] [Site "Biel"] [Date "1982.07.??"] [Round "1"] [White "Mariotti, Sergio"] [Black "Nunn, John DM"] [Result "1-0"] [WhiteElo "2455"] [BlackElo "2590"] 1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Be2 O-O 6. O-O Nc6 7. c3 Re8 8. Qc2 e5 9. dxe5 Nxe5 10. Nxe5 Rxe5 11. Bd3 Re8 12. Nc4 Nd7 13. Be3 b6 14. Bd4 Bb7 15. Ne3 Nf6 16. f3 Qe7 17. Bc4 c6 18. Rad1 Rad8 19. Rfe1 Bc8 20. Bf1 Bh6 21. Qd2 Bg7 22. c4 Nh5 23. Bxg7 Nxg7 24. b4 h5 25. b5 Bb7 26. bxc6 Bxc6 27. Nd5 Bxd5 28. cxd5 Qf6 29. Bb5 Re7 30. f4 h4 31. Re2 Nh5 32. Rf1 Qh8 33. Rf3 Qh6 34. Bc6 f6 35. Re1 Rf8 36. Qb4 Rd8 37. Qd4 Nxf4 38. Qxf6 1-0