[Event "Capablanca memorial 2nd"]
[Round "4"]
[Site "Havana"]
[Date "1963"]
[White "De Greif, Boris"]
[Black "Jimenez Zerquera, Eleazar"]
[Result "1/2-1/2"]
[ECO "E19"]
[Opening "Queen's Indian, Old Main line, 9.Qxc3"]
 1. d4   Nf6
 2. c4   e6
 3. Nf3  b6
 4. g3   Bb7
 5. Bg2  Be7
 6. O-O  O-O
 7. Nc3  Ne4
 8. Qc2  Nxc3
 9. Qxc3 d6
10. b3   Nd7
11. Bb2  Qc8
12. Rad1 f5
13. Qe3  Rf6
14. Ng5  Bxg2
15. Kxg2 Nf8
16. d5   Rg6
17. Nxe6 Nxe6
18. dxe6 Qxe6
19. Qxe6+ Rxe6
20. e3   Kf7
21. Rd5  g6
22. h4   h5
23. Rfd1 a5
24. a4   Rb8
25. R5d3 Re8
26. Kf3  
1/2-1/2