1.
Nf3
e6
2.
g3
c5
3.
Bg2
Nc6
4.
O-O
d5
5.
d3
Nf6
6.
Nbd2
g6
7.
e4
Bg7
8.
exd5
Nxd5
9.
Nb3
b6
10.
c4
Nde7
11.
d4
cxd4
12.
Nfxd4
Bd7
13.
Bg5
f6
14.
Be3
O-O
15.
Qe2
e5
16.
Nb5
Nf5
17.
Rad1
Qe7
18.
Rd2
Rac8
19.
Rfd1
Be8
20.
Be4
Nxe3
21.
Qxe3
f5
22.
Nd6
Rc7
23.
Nxe8
Qxe8
24.
Bd5+
Kh8
25.
c5
bxc5
26.
Qxc5
Rc8
27.
Rc1
Nd4
28.
Qxa7
Nxb3
29.
Rxc8
Qxc8
30.
Bxb3
Qc1+
31.
Rd1
Qxb2
32.
Qe7
e4
33.
Rd8
Qa3
34.
Qxa3
1-0
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Event
Site
Ljubljana/Portoroz
Date
1973.04.03
Round
1
White
Csom, Istvan
Black
Result
1-0
Score
[Event "Vidmar Memorial-02"] [Site "Ljubljana/Portoroz"] [Date "1973.04.03"] [Round "1"] [White "Csom, Istvan"] [Black "Ivkov, Borislav"] [Result "1-0"] 1. Nf3 e6 2. g3 c5 3. Bg2 Nc6 4. O-O d5 5. d3 Nf6 6. Nbd2 g6 7. e4 Bg7 8. exd5 Nxd5 9. Nb3 b6 10. c4 Nde7 11. d4 cxd4 12. Nfxd4 Bd7 13. Bg5 f6 14. Be3 O-O 15. Qe2 e5 16. Nb5 Nf5 17. Rad1 Qe7 18. Rd2 Rac8 19. Rfd1 Be8 20. Be4 Nxe3 21. Qxe3 f5 22. Nd6 Rc7 23. Nxe8 Qxe8 24. Bd5+ Kh8 25. c5 bxc5 26. Qxc5 Rc8 27. Rc1 Nd4 28. Qxa7 Nxb3 29. Rxc8 Qxc8 30. Bxb3 Qc1+ 31. Rd1 Qxb2 32. Qe7 e4 33. Rd8 Qa3 34. Qxa3 1-0