1.
e4
c5
2.
Nf3
Nc6
3.
d4
cxd4
4.
Nxd4
e6
5.
Nc3
Qc7
6.
Be3
a6
7.
Be2
b5
8.
Nxc6
Qxc6
9.
Bf3
Bb7
10.
O-O
Ne7
11.
e5
Qc7
12.
Bc5
Ng6
13.
Bxf8
Nxf8
14.
Bxb7
Qxb7
15.
Qd4
Ng6
16.
Qb4
a5
17.
Qxb5
Qc7
18.
Rad1
Nxe5
19.
Rfe1
Ng4
20.
g3
Nf6
21.
Ne4
Nxe4
22.
Rxe4
O-O
23.
Rc4
Qb8
24.
Qxb8
Raxb8
25.
Rxd7
Rxb2
26.
a3
g6
27.
Ra7
Rb5
28.
g4
h5
29.
h3
hxg4
30.
hxg4
Rd5
31.
Kg2
Kg7
32.
Rcc7
Rd4
33.
Rxa5
Rxg4+
34.
Kf3
Rh4
35.
a4
e5
36.
c4
Kf6
37.
Raa7
Kg5
38.
a5
Rb8
1/2-1/2
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Event
Site
Havana
Date
1963.08.28
Round
4
White
Black
Darga, Klaus
Result
1/2-1/2
Score
[Event "Capablanca Memorial-02"] [Site "Havana"] [Date "1963.08.28"] [Round "4"] [White "Ivkov, Borislav"] [Black "Darga, Klaus"] [Result "1/2-1/2"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Be2 b5 8. Nxc6 Qxc6 9. Bf3 Bb7 10. O-O Ne7 11. e5 Qc7 12. Bc5 Ng6 13. Bxf8 Nxf8 14. Bxb7 Qxb7 15. Qd4 Ng6 16. Qb4 a5 17. Qxb5 Qc7 18. Rad1 Nxe5 19. Rfe1 Ng4 20. g3 Nf6 21. Ne4 Nxe4 22. Rxe4 O-O 23. Rc4 Qb8 24. Qxb8 Raxb8 25. Rxd7 Rxb2 26. a3 g6 27. Ra7 Rb5 28. g4 h5 29. h3 hxg4 30. hxg4 Rd5 31. Kg2 Kg7 32. Rcc7 Rd4 33. Rxa5 Rxg4+ 34. Kf3 Rh4 35. a4 e5 36. c4 Kf6 37. Raa7 Kg5 38. a5 Rb8 1/2-1/2