[Event "Capablanca Memorial-10"]
[Site "Cienfuegos"]
[Date "1973.02.22"]
[Round "4"]
[White "De Greif, Boris"]
[Black "Cobo Arteaga, Eldis"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 Bf5 6. c3 O-O 7. Be2 Nbd7 8. O-O c6 9. Qb3 Qb6 10. Rfc1 Rfe8 11. h3 Ne4 12. g4 Nxd2 13. Nxd2 Be6 14. f4 f6 15. Bh4 Bf7 16. Qxb6 axb6 17. Kf2 e5 18. Nf3 b5 19. Bg3 1/2-1/2