1.
c4
Nf6
2.
Nf3
e6
3.
g3
Be7
4.
Bg2
O-O
5.
O-O
d5
6.
b3
c6
7.
Bb2
Nbd7
8.
d3
b6
9.
Nbd2
Bb7
10.
e4
Rc8
11.
Qe2
Rc7
12.
e5
Ne8
13.
h4
Nc5
14.
Rad1
Rd7
15.
d4
Na6
16.
cxd5
cxd5
17.
a3
Nb8
18.
Rfe1
Rc7
19.
Rc1
Qd7
20.
Bf1
Ba6
21.
Qe3
g6
22.
Bxa6
Nxa6
23.
Qd3
Nb8
24.
Nb1
Nc6
25.
Rc2
Ng7
26.
Rec1
Rfc8
1/2-1/2
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Event
Site
Ljubljana/Portoroz
Date
1973.04.22
Round
15
White
Black
Radulov, Ivan
Result
1/2-1/2
[Event "Vidmar Memorial-02"] [Site "Ljubljana/Portoroz"] [Date "1973.04.22"] [Round "15"] [White "Ivkov, Borislav"] [Black "Radulov, Ivan"] [Result "1/2-1/2"] 1. c4 Nf6 2. Nf3 e6 3. g3 Be7 4. Bg2 O-O 5. O-O d5 6. b3 c6 7. Bb2 Nbd7 8. d3 b6 9. Nbd2 Bb7 10. e4 Rc8 11. Qe2 Rc7 12. e5 Ne8 13. h4 Nc5 14. Rad1 Rd7 15. d4 Na6 16. cxd5 cxd5 17. a3 Nb8 18. Rfe1 Rc7 19. Rc1 Qd7 20. Bf1 Ba6 21. Qe3 g6 22. Bxa6 Nxa6 23. Qd3 Nb8 24. Nb1 Nc6 25. Rc2 Ng7 26. Rec1 Rfc8 1/2-1/2