[Event "Olympiad-09"]
[Site "Dubrovnik"]
[Date "1950.09.04"]
[Round "11"]
[White "Kupferstich, Moises A"]
[Black "Pfeiffer, Gerhard"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f3 c6 5. Qd2 Nbd7 6. g4 Bg6 7. Nh3 e5 8. dxe5 Nxe5 9. Qe3 Qe7 10. O-O-O Ned7 11. Nf2 Qxe3+ 12. Bxe3 Ne5 13. Bd4 Bd6 14. h3 Ned7 15. Kb1 O-O-O 16. e4 dxe4 17. Nfxe4 Nxe4 18. Nxe4 Bxe4 19. fxe4 Be5 20. Be3 Kc7 21. Bc4 f6 22. Rd3 Bd6 23. Rd2 Ne5 24. Be2 b6 25. Rhd1 Ng6 26. Bf3 Bf4 27. Rxd8 Rxd8 28. Rxd8 Kxd8 29. Bf2 Kc7 30. a4 Kd6 31. a5 c5 32. axb6 axb6 33. b4 Be5 34. bxc5+ bxc5 35. Ka2 Nf4 36. h4 Ne6 37. Be2 Nd4 38. Bd3 h6 39. c3 Nf3 40. Kb2 Bf4 1/2-1/2