1.
d4
Nf6
2.
c4
e6
3.
Nf3
b6
4.
g3
Ba6
5.
Nbd2
Bb4
6.
Qc2
O-O
7.
a3
Bxd2+
8.
Bxd2
d5
9.
b3
Nc6
10.
e3
Ne4
11.
Bg2
f5
12.
O-O
g5
13.
Rfd1
g4
14.
Ne1
Rf6
15.
Nd3
h5
16.
Nf4
h4
17.
Rac1
Bb7
18.
cxd5
exd5
19.
Be1
hxg3
20.
fxg3
Rc8
21.
Qe2
Ne7
22.
h4
Ng6
23.
Qf1
Nxf4
24.
Qxf4
Qd6
25.
Qxd6
Nxd6
26.
Rc2
c6
27.
Bf1
b5
28.
Bd2
Re8
29.
Bc1
Kf7
30.
Rf2
Ne4
31.
Rc2
Ke6
32.
Bg2
Nd6
33.
Rf2
Rh8
34.
Rdf1
Rf7
35.
Bh1
Rfh7
36.
Ra2
Nf7
37.
Rff2
Ng5
38.
Rfc2
Kd6
39.
Re2
Bc8
40.
Reb2
Nh3+
41.
Kf1
Re7
42.
Bg2
Ng5
43.
Kg1
1/2-1/2
Opening Explorer
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Event
Site
Budapest
Date
1977.12.??
White
Orso, Miklos
Black
Rigo, Janos
Result
1/2-1/2
Score
[Event "HUN-ch33"] [Site "Budapest"] [Date "1977.12.??"] [Round "?"] [White "Orso, Miklos"] [Black "Rigo, Janos"] [Result "1/2-1/2"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 Bb4 6. Qc2 O-O 7. a3 Bxd2+ 8. Bxd2 d5 9. b3 Nc6 10. e3 Ne4 11. Bg2 f5 12. O-O g5 13. Rfd1 g4 14. Ne1 Rf6 15. Nd3 h5 16. Nf4 h4 17. Rac1 Bb7 18. cxd5 exd5 19. Be1 hxg3 20. fxg3 Rc8 21. Qe2 Ne7 22. h4 Ng6 23. Qf1 Nxf4 24. Qxf4 Qd6 25. Qxd6 Nxd6 26. Rc2 c6 27. Bf1 b5 28. Bd2 Re8 29. Bc1 Kf7 30. Rf2 Ne4 31. Rc2 Ke6 32. Bg2 Nd6 33. Rf2 Rh8 34. Rdf1 Rf7 35. Bh1 Rfh7 36. Ra2 Nf7 37. Rff2 Ng5 38. Rfc2 Kd6 39. Re2 Bc8 40. Reb2 Nh3+ 41. Kf1 Re7 42. Bg2 Ng5 43. Kg1 1/2-1/2