[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.08.20"]
[Round "1"]
[White "Morcken, Otto B"]
[Black "Letelier Martner, Rene"]
[Result "0-1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 Bf5 7. e3 e6 8. Be2 Bb4 9. O-O O-O 10. Rc1 Rc8 11. a3 Bxc3 12. Rxc3 Ne4 13. Rc1 Qb6 14. b4 a5 15. b5 Na7 16. Qb3 f6 17. Qb2 g5 18. Bg3 h5 19. h3 Nxg3 20. fxg3 Qd6 21. Kf2 b6 22. Rxc8 Rxc8 23. Rc1 Rc7 24. Rc3 Nc8 25. Qc1 Rxc3 26. Qxc3 Na7 27. Nd2 Bg6 28. g4 h4 29. Kg1 Qd7 30. a4 Qc8 31. Qxc8+ Nxc8 32. Bd1 Nd6 33. Nf3 Nc4 34. Kf2 Kf7 35. Ke2 Be4 36. Kf2 Ke7 37. Ke2 Kd7 38. Kf2 Kc7 39. Ke2 Kd6 40. Kf2 Nb2 41. Bb3 Nd3+ 42. Kf1 e5 43. Nd2 exd4 44. Nxe4+ dxe4 45. exd4 Nf4 46. Ba2 e3 47. Bc4 Ke7 48. Bb3 e2+ 49. Kf2 Nd3+ 0-1