[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.09.05"]
[Round "12"]
[White "Morcken, Otto B"]
[Black "Kupferstich, Moises A"]
[Result "0-1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. e4 Re8 9. b3 exd4 10. Nxd4 Nc5 11. f3 a5 12. Bb2 c6 13. Qd2 Qb6 14. Kh1 a4 15. Qd1 Nfd7 16. Nce2 Ne5 17. Bc3 axb3 18. axb3 Rxa1 19. Qxa1 Bf8 20. Ba5 Qa7 21. h3 Qb8 22. Kh2 Ne6 23. Rd1 Ng7 24. Qb2 f5 25. f4 Nf7 26. exf5 Nxf5 27. Nxf5 Bxf5 28. Bc3 Be4 29. Qd2 Qd8 30. Ng1 Bxg2 31. Kxg2 Qb6 32. Qb2 d5 33. cxd5 cxd5 34. Bd4 Qe6 35. Nf3 Qa6 36. Ne5 Bg7 37. Re1 Nd6 38. h4 Nf5 39. Kh3 Qb5 40. Qc3 Nxd4 41. Qxd4 Qxb3 42. Re2 h5 43. Rb2 Bxe5 44. fxe5 Qf3 45. Rxb7 Qh1# 0-1