[Event "Capablanca Memorial-10"]
[Site "Cienfuegos"]
[Date "1973.03.18"]
[Round "21"]
[White "De Greif, Boris"]
[Black "Lebredo Zaragoitia, Gerardo"]
[Result "1/2-1/2"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7 8. O-O Bd6 9. Be2 Bg6 10. b3 O-O 11. Bb2 1/2-1/2