[Event "Olympiad-20 Final D"]
[Site "Skopje"]
[Date "1972.10.12"]
[Round "15"]
[White "De la Casa, Angel"]
[Black "Potter, H"]
[Result "1/2-1/2"]

1. b3 d5 2. Bb2 c5 3. g3 Nc6 4. Bg2 e5 5. e3 Nf6 6. Ne2 Bf5 7. O-O Be7 8. d3 Qd7 9. Re1 O-O 10. Nd2 Rac8 11. Nf3 e4 12. dxe4 dxe4 13. Qxd7 Bxd7 14. Ne5 Nxe5 15. Bxe5 Be6 1/2-1/2