[Event "Belgrade"] [Site "Belgrade"] [Date "1954.??.??"] [Round "8"] [White "Gligoric, Svetozar"] [Black "Joppen, Egon"] [Result "1-0"] [WhiteElo ""] [BlackElo ""] [ECO "A81"] 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 O-O 6. Bg2 d5 7. O-O c6 8. c4 Ne4 9. Nbd2 Nd7 10. Rc1 Ndf6 11. Qc2 Ng4 12. cxd5 cxd5 13. h3 Ngf6 14. Ne5 Be6 15. Nxe4 Nxe4 16. Qc7 Rb8 17. Ba3 Bf6 18. e3 Qxc7 19. Rxc7 Rfc8 20. Rfc1 Kf8 21. g4 Ke8 22. f3 Rxc7 23. Rxc7 Kd8 24. Rc1 Ng5 25. Nd3 Bd7 26. h4 Ne6 27. g5 Bg7 28. f4 Nc7 29. Bxe7+ Kxe7 30. Rxc7 Kd6 31. Rc5 Be6 32. Nb4 b6 33. Rc6+ Kd7 34. Rc1 Kd6 35. h5 a5 36. Nd3 Bd7 37. hxg6 hxg6 38. Ne5 Be8 39. Kf2 Rd8 40. Ke2 Rb8 41. Kd2 Bf8 1-0

[Event "Belgrade"] [Site "Belgrade"] [Date "1954.??.??"] [Round "11"] [White "Joppen, Egon"] [Black "Petrosian, Tigran V"] [Result "0-1"] [WhiteElo ""] [BlackElo ""] [ECO "C16"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. Qg4 Bf8 6. Nf3 Qd7 7. Nb5 Nc6 8. c3 a6 9. Na3 f5 10. Qg3 Bxa3 11. bxa3 Bb7 12. Ng5 O-O-O 13. h4 Nh6 14. Bd3 Kb8 15. Qf3 Nf7 16. Nh3 g6 17. Qe2 Ka7 18. Bg5 Nxg5 19. Nxg5 h6 20. Nh3 Qe7 21. Nf4 g5 22. Nh3 Qxa3 23. Qd2 Qe7 24. O-O-O Rdg8 25. Kb1 Na5 26. hxg5 hxg5 27. f4 g4 28. Ng5 Bc6 29. Qb2 Nc4 30. Qb4 Qd7 31. Bxc4 a5 32. Qb2 dxc4 33. Qd2 Bd5 34. Rdg1 Qc6 35. Rxh8 Rxh8 36. g3 Qe8 37. Kb2 Qh5 38. Kc2 Qh2 39. Qxh2 Rxh2+ 40. Kb1 Ka6 0-1