[Event "Capablanca Memorial-10"]
[Site "Cienfuegos"]
[Date "1973.03.10"]
[Round "16"]
[White "Barreras, Alberto"]
[Black "De Greif, Boris"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Nc6 7. Bxc6 dxc6 8. Qxd8+ Kxd8 9. Nc3 Bb4 10. Bg5+ f6 11. O-O-O+ Ke7 12. Bd2 Bxc3 13. Bxc3 Be6 14. f4 Rad8 15. f5 Rxd1+ 16. Rxd1 Bc8 17. g4 Kf7 18. Rd3 Re8 19. Re3 c5 20. Kd2 b5 21. Ke2 b4 22. Be1 Bb7 23. Kf3 a5 24. Kf4 g5+ 25. fxg6+ hxg6 26. h4 g5+ 27. hxg5 fxg5+ 28. Kxg5 Rxe4 29. Rxe4 Bxe4 30. c3 Bb1 31. a3 bxa3 32. bxa3 Ke6 33. Bg3 1/2-1/2