[Event "Olympiad-19 Final E"]
[Site "Siegen"]
[Date "1970.09.25"]
[Round "11"]
[White "Ozturk, Serdar"]
[Black "Graupera, Joaquim"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 d5 3. Nc3 g6 4. Nf3 Bg7 5. Bf4 O-O 6. e3 c6 7. h3 b6 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. Bd3 Bb7 11. O-O Qd8 12. Qc2 Nd7 13. Rac1 Rc8 14. e4 e6 15. e5 c5 16. Be4 cxd4 17. Qe2 Bxe4 18. Qxe4 Nc5 19. Qxd4 Qxd4 20. Nxd4 Nd3 1/2-1/2