1.
d4
Nf6
2.
Nf3
g6
3.
g3
d5
4.
Bg2
Bg7
5.
c4
dxc4
6.
Qa4+
Nfd7
7.
O-O
Nc6
8.
Qxc4
Nb6
9.
Qc2
O-O
10.
h3
Nxd4
11.
Nxd4
Qxd4
12.
Qxc7
Nd5
13.
Qa5
Be6
14.
e4
b6
15.
Qd2
Nb4
16.
Nc3
Rfd8
17.
Qg5
Bc4
18.
Be3
Qe5
19.
Rfc1
Nd3
20.
Rc2
Nxb2
21.
Nd5
Bxd5
22.
exd5
Nc4
23.
Re1
Rac8
24.
Qg4
h5
25.
Qd1
Nxe3
26.
Rxe3
Qd6
27.
Rxc8
Rxc8
28.
Qa4
a5
29.
h4
Bf6
30.
Bf3
Kg7
31.
Kg2
Rc1
32.
Qe4
Qc5
33.
Re2
b5
34.
Rd2
b4
35.
Qe2
a4
36.
Qa6
Qc3
37.
Re2
b3
38.
axb3
axb3
0-1
Opening Explorer
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Event
Site
Las Palmas
Date
1978.??.??
Round
1
White
Mariotti, Sergio
Black
Stean, Michael F
Result
0-1
WhiteElo
2475
Score
[Event "Las Palmas-07"] [Site "Las Palmas"] [Date "1978.??.??"] [Round "1"] [White "Mariotti, Sergio"] [Black "Stean, Michael F"] [Result "0-1"] [WhiteElo "2475"] 1. d4 Nf6 2. Nf3 g6 3. g3 d5 4. Bg2 Bg7 5. c4 dxc4 6. Qa4+ Nfd7 7. O-O Nc6 8. Qxc4 Nb6 9. Qc2 O-O 10. h3 Nxd4 11. Nxd4 Qxd4 12. Qxc7 Nd5 13. Qa5 Be6 14. e4 b6 15. Qd2 Nb4 16. Nc3 Rfd8 17. Qg5 Bc4 18. Be3 Qe5 19. Rfc1 Nd3 20. Rc2 Nxb2 21. Nd5 Bxd5 22. exd5 Nc4 23. Re1 Rac8 24. Qg4 h5 25. Qd1 Nxe3 26. Rxe3 Qd6 27. Rxc8 Rxc8 28. Qa4 a5 29. h4 Bf6 30. Bf3 Kg7 31. Kg2 Rc1 32. Qe4 Qc5 33. Re2 b5 34. Rd2 b4 35. Qe2 a4 36. Qa6 Qc3 37. Re2 b3 38. axb3 axb3 0-1