[Event "Berlin op"]
[Site "Berlin West"]
[Date "1978.12.29"]
[Round "5"]
[White "Sayder, Hans Joachim"]
[Black "Borchardt, HP."]
[Result "0-1"]
[ECO "A30"]
[PlyCount "48"]
[EventDate "1978.12.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. 0-0 Nf6 5. c4 g6 6. Nc3 Bg7 7. Re1 0-0 8. e4 d6 9. d4 cxd4 10. Nxd4 Nbd7 11. Rb1 a5 12. a3 Rc8 13. e5 Bxg2 14. exf6 Bxf6 15. Kxg2 Rxc4 16. Be3 Qa8+ 17. Kg1 Ne5 18. f4 Rxd4 19. Qe2 Nf3+ 20. Kf1 Nxe1 21. Bxd4 Bxd4 22. Ne4 Nf3 23. Kg2 Nd2 24. Re1 Nxe4 0-1

[Event "Berlin op"]
[Site "Berlin West"]
[Date "1978.12.28"]
[Round "4"]
[White "Borchardt, HP."]
[Black "Schulze, Joachim"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "30"]
[EventDate "1978.12.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. c4 Bg7 4. Nc3 0-0 5. Nf3 d6 6. d4 c5 7. d5 Ne4 8. Rc1 Qa5 9. Qc2 Bf5 10. e3 Ng3 11. Bd3 Bxd3 12. Qxd3 Nxh1 13. Qb1 Nd7 14. Ke2 Nxf2 15. Kxf2 e5 0-1

[Event "Berlin op"]
[Site "Berlin West"]
[Date "1978.12.26"]
[Round "2"]
[White "Zivaljevic, T."]
[Black "Borchardt, HP."]
[Result "0-1"]
[ECO "A60"]
[PlyCount "32"]
[EventDate "1978.12.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. dxe6 fxe6 5. Nc3 a6 6. a4 g6 7. Bg5 Bg7 8. Nf3 0-0 9. e4 Qa5 10. Qc2 Nc6 11. Bd2 Qc7 12. Na2 b6 13. Be2 Bb7 14. 0-0 Ng4 15. h3 Nd4 16. Qd1 Nxf3+ 0-1

[Event "Berlin op"]
[Site "Berlin West"]
[Date "1978.12.25"]
[Round "1"]
[White "Wolf, Walter"]
[Black "Borchardt, HP."]
[Result "1-0"]
[ECO "B06"]
[PlyCount "105"]
[EventDate "1978.12.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nc3 c6 4. f4 Bg7 5. Nf3 Nd7 6. Bc4 e6 7. 0-0 Ne7 8. Bb3 0-0 9. Be3 Qc7 10. Qe2 d5 11. e5 Nf5 12. Bf2 b6 13. g4 Nh6 14. Ng5 a5 15. Qf3 Ba6 16. Rfe1 c5 17. Nxd5 exd5 18. Bxd5 Rae8 19. e6 fxe6 20. Nxe6 Rxe6 21. Rxe6 Kh8 22. dxc5 Nxc5 23. Rc6 Qxf4 24. Qxf4 Rxf4 25. Rxb6 Bd4 26. Bxd4+ Rxd4 27. g5 Rg4+ 28. Kf2 Rxg5 29. c4 Nd3+ 30. Ke3 Nc5 31. Kd4 Bxc4 32. Kxc4 Na4 33. Rb8+ Kg7 34. Rb7+ Kf6 35. b3 Nb2+ 36. Kc3 Rxd5 37. Kxb2 Rd2+ 38. Ka3 Rxh2 39. Rxh7 Rh5 40. Rc1 Nf5 41. Rxh5 gxh5 42. Ka4 h4 43. Kxa5 Kg5 44. b4 h3 45. b5 Kg4 46. b6 Nd6 47. Ka6 h2 48. b7 Nxb7 49. Kxb7 Kg3 50. a4 Kg2 51. a5 h1Q 52. Rxh1 Kxh1 53. a6 1-0

