[Event "Capablanca memorial 2nd"]
[Round "4"]
[Site "Havana"]
[Date "1963"]
[White "Ivkov, Borislav"]
[Black "Darga, Klaus"]
[Result "1/2-1/2"]
[ECO "B32"]
[Opening "Sicilian Defence"]
 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