1.
c4
g6
2.
Nc3
Bg7
3.
g3
c5
4.
Bg2
Nc6
5.
e3
e5
6.
Nge2
Nge7
7.
a3
O-O
8.
d3
Rb8
9.
Rb1
a6
10.
O-O
b5
11.
Nd5
Nxd5
12.
cxd5
Ne7
13.
b4
cxb4
14.
axb4
d6
15.
e4
f5
16.
Be3
Bd7
17.
Qd2
fxe4
18.
dxe4
Nc8
19.
Qa2
Nb6
20.
Qxa6
Nc4
21.
Ra1
Ra8
22.
Qxa8
Qxa8
23.
Rxa8
Rxa8
24.
Bg5
h6
25.
Be3
Ra3
26.
Rb1
Nxe3
27.
fxe3
Bf6
28.
Bf1
Bg5
29.
Kg2
Bxe3
30.
Nc1
Bd4
31.
h3
h5
32.
h4
Re3
33.
Bd3
Bg4
34.
Kh2
Bf3
35.
g4
hxg4
36.
Bxb5
Bxe4
37.
Rb3
g3+
0-1
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Event
Site
Budapest
Date
1970.02.11
Round
4
White
Kovacs, Laszlo M
Black
Result
0-1
Score
[Event "Budapest International"] [Site "Budapest"] [Date "1970.02.11"] [Round "4"] [White "Kovacs, Laszlo M"] [Black "Ivkov, Borislav"] [Result "0-1"] 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e3 e5 6. Nge2 Nge7 7. a3 O-O 8. d3 Rb8 9. Rb1 a6 10. O-O b5 11. Nd5 Nxd5 12. cxd5 Ne7 13. b4 cxb4 14. axb4 d6 15. e4 f5 16. Be3 Bd7 17. Qd2 fxe4 18. dxe4 Nc8 19. Qa2 Nb6 20. Qxa6 Nc4 21. Ra1 Ra8 22. Qxa8 Qxa8 23. Rxa8 Rxa8 24. Bg5 h6 25. Be3 Ra3 26. Rb1 Nxe3 27. fxe3 Bf6 28. Bf1 Bg5 29. Kg2 Bxe3 30. Nc1 Bd4 31. h3 h5 32. h4 Re3 33. Bd3 Bg4 34. Kh2 Bf3 35. g4 hxg4 36. Bxb5 Bxe4 37. Rb3 g3+ 0-1