1.
d4
Nf6
2.
c4
g6
3.
Nc3
Bg7
4.
e4
d6
5.
Nf3
O-O
6.
Be2
e5
7.
O-O
Nbd7
8.
Re1
c6
9.
Bf1
Re8
10.
Rb1
a5
11.
b3
exd4
12.
Nxd4
Nc5
13.
f3
Nfd7
14.
Be3
Be5
15.
Qd2
Ne6
16.
Nxe6
Rxe6
17.
Ne2
Re8
18.
Rbd1
h5
19.
Bd4
Qe7
20.
Bc3
a4
21.
f4
Bf6
22.
Nd4
Nb6
1/2-1/2
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Event
Site
Bled
Date
1961.09.09
Round
5
White
Black
Bertok, Mario
Result
1/2-1/2
Score
[Event "Bled 30th Anniversary"] [Site "Bled"] [Date "1961.09.09"] [Round "5"] [White "Ivkov, Borislav"] [Black "Bertok, Mario"] [Result "1/2-1/2"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 c6 9. Bf1 Re8 10. Rb1 a5 11. b3 exd4 12. Nxd4 Nc5 13. f3 Nfd7 14. Be3 Be5 15. Qd2 Ne6 16. Nxe6 Rxe6 17. Ne2 Re8 18. Rbd1 h5 19. Bd4 Qe7 20. Bc3 a4 21. f4 Bf6 22. Nd4 Nb6 1/2-1/2