1.
d4
Nf6
2.
c4
g6
3.
Nc3
Bg7
4.
e4
d6
5.
f3
O-O
6.
Be3
a6
7.
Qd2
c6
8.
O-O-O
b5
9.
Bh6
Qa5
10.
Bxg7
Kxg7
11.
e5
dxe5
12.
dxe5
Ng8
13.
a3
Be6
14.
Ne4
Qxd2+
15.
Rxd2
Nd7
16.
Ng5
Nxe5
17.
Nxe6+
fxe6
18.
Nh3
h6
19.
f4
Ng4
20.
Be2
Ne3
21.
g3
bxc4
22.
Bf3
Rab8
23.
Re2
Rb3
24.
Bxc6
c3
25.
bxc3
Nc4
26.
Kc2
Rb6
27.
Bf3
Nxa3+
28.
Kd3
Rc8
29.
Rc1
Nf6
30.
Ng1
Nc4
31.
Ra2
e5
32.
Re1
e4+
33.
Rxe4
Nxe4
34.
Bxe4
Rb2
35.
Rxb2
Nxb2+
36.
Kc2
Na4
37.
Ne2
a5
38.
Bd5
Kf6
39.
Bb3
Nc5
40.
Ba2
e5
0-1
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Event
Site
Wijk aan Zee
Date
1968.01.23
Round
11
White
Black
Result
0-1
Score
[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1968.01.23"] [Round "11"] [White "Portisch, Lajos"] [Black "Ivkov, Borislav"] [Result "0-1"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 a6 7. Qd2 c6 8. O-O-O b5 9. Bh6 Qa5 10. Bxg7 Kxg7 11. e5 dxe5 12. dxe5 Ng8 13. a3 Be6 14. Ne4 Qxd2+ 15. Rxd2 Nd7 16. Ng5 Nxe5 17. Nxe6+ fxe6 18. Nh3 h6 19. f4 Ng4 20. Be2 Ne3 21. g3 bxc4 22. Bf3 Rab8 23. Re2 Rb3 24. Bxc6 c3 25. bxc3 Nc4 26. Kc2 Rb6 27. Bf3 Nxa3+ 28. Kd3 Rc8 29. Rc1 Nf6 30. Ng1 Nc4 31. Ra2 e5 32. Re1 e4+ 33. Rxe4 Nxe4 34. Bxe4 Rb2 35. Rxb2 Nxb2+ 36. Kc2 Na4 37. Ne2 a5 38. Bd5 Kf6 39. Bb3 Nc5 40. Ba2 e5 0-1