[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.08.27"]
[Round "6"]
[White "Morcken, Otto B"]
[Black "Zapata Vinces, Mario"]
[Result "1/2-1/2"]

1. Nf3 d5 2. d4 e6 3. g3 c5 4. Bg2 Nc6 5. O-O Nf6 6. c3 Qb6 7. e3 Bd6 8. Nbd2 O-O 9. Qb3 Bd7 10. dxc5 Bxc5 11. Qxb6 Bxb6 12. c4 Rfd8 13. b3 d4 14. exd4 Nxd4 15. Nxd4 Bxd4 16. Rb1 e5 17. Ba3 Bf5 18. Rbc1 e4 19. Be7 Re8 20. Bxf6 gxf6 21. Kh1 Re7 22. Nb1 Bb2 23. Rc2 Bd4 24. Rcc1 Bb2 25. Rc2 Bd4 1/2-1/2