[Event "Berlin op"]
[Site "Berlin West"]
[Date "1980.12.28"]
[Round "4"]
[White "Rahls, Peter"]
[Black "Tran, Van Duc"]
[Result "1-0"]
[ECO "B10"]
[PlyCount "44"]
[EventDate "1980.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Bb5+ Nbd7 6. Nc3 g6 7. Nf3 Bg7 8. 0-0 0-0 9. Bxd7 Nxd7 10. d4 Nb6 11. Qb3 e6 12. Bg5 Bf6 13. Bxf6 Qxf6 14. d6 Bd7 15. Ne5 Rfd8 16. Ne4 Qf4 17. Rfe1 Ba4 18. Qh3 Bc2 19. g3 Qf5 20. Ng4 Kh8 21. Qh4 Bxe4 22. Rxe4 Qxe4 1-0

[Event "Berlin op"]
[Site "Berlin West"]
[Date "1980.12.27"]
[Round "2"]
[White "Cladouras, Panagiotis"]
[Black "Tran, Van Duc"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "87"]
[EventDate "1980.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Nf3 Bg4 6. 0-0 e6 7. c3 Bd6 8. Bg5 Qc7 9. h3 Bh5 10. Nbd2 Nc6 11. Qc2 Bg6 12. Rae1 Rc8 13. Re2 Kf8 14. Qb1 Nh5 15. Rfe1 Bxd3 16. Qxd3 h6 17. Be3 Ne7 18. Ne5 Bxe5 19. dxe5 Qxe5 20. Bxh6 Nf4 21. Bxf4 Qxf4 22. Re3 Qa4 23. a3 Qc6 24. Nf3 Qc7 25. Nd4 Qc4 26. Qb1 Rh6 27. Rf3 Kg8 28. Qc1 Qc7 29. Qe3 a6 30. Rg3 Rf6 31. Rg4 Nf5 32. Nxf5 Rxf5 33. Qh6 g6 34. Rh4 Rh5 35. Rxh5 gxh5 36. Re3 h4 37. g3 d4 38. Re4 f5 39. Rxe6 Qh7 40. Rg6+ Kh8 41. Qg5 Rg8 42. Qf6+ Rg7 43. Qd8+ Rg8 44. Qxd4+ 1-0

