[Event "Ellmendingen op"]
[Site "Ellmedingen"]
[Date "1978.??.??"]
[Round "?"]
[White "Berg, Johan"]
[Black "Bollen, Jan"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2240"]
[PlyCount "57"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Re1 Bd6 13. d4 Qh4 14. Qd3 Nf4 15. Qf3 Nxh3+ 16. gxh3 Bxh3 17. Re4 Qxe4 18. Qxe4 Rae8 19. Bxf7+ Kxf7 20. Qf3+ Kg6 21. Qxh3 Re1+ 22. Kg2 Rxc1 23. Qg4+ Kh6 24. b4 Re1 25. a4 Rf4 26. Qd7 Rxd4 27. axb5 Be5 28. Qe6+ Kg5 29. Nd2 1-0

[Event "Ellmendingen op"]
[Site "Ellmedingen"]
[Date "1978.??.??"]
[Round "?"]
[White "Bollen, Jan"]
[Black "Gfeller, Andreas"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "57"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. d4 Nf6 3. e5 Nd5 4. c4 Nc7 5. d5 d6 6. f4 g6 7. Bd3 Bg7 8. Qe2 0-0 9. Nf3 e6 10. dxe6 Bxe6 11. 0-0 f5 12. Nc3 dxe5 13. fxe5 Nc6 14. Be3 b6 15. Rad1 Qe7 16. Bg5 Qf7 17. b3 h6 18. Bh4 g5 19. Bg3 Rad8 20. Bb1 Qe7 21. Rfe1 g4 22. Nh4 Nd4 23. Rxd4 Rxd4 24. Ng6 Qd7 25. Nxf8 Bxf8 26. Rd1 Bg7 27. Bc2 h5 28. Qe3 Rxd1+ 29. Nxd1 1/2-1/2

[Event "Ellmendingen op"]
[Site "Ellmedingen"]
[Date "1978.??.??"]
[Round "?"]
[White "Bollen, Jan"]
[Black "Graf, Juergen"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "37"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 Nf6 8. Qe2 Be7 9. Rd1 e5 10. h3 0-0 11. Be3 Be6 12. Bxe6 fxe6 13. b4 a6 14. b5 axb5 15. Qxb5 Qd7 16. Rab1 Nd8 17. Qd3 Nf7 18. Rb2 Ra3 19. Bc5 1/2-1/2

[Event "Ellmendingen op"]
[Site "Ellmedingen"]
[Date "1978.??.??"]
[Round "?"]
[White "Bollen, Jan"]
[Black "McGhee, Patrick"]
[Result "1/2-1/2"]
[ECO "B15"]
[PlyCount "94"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d5 5. Qd2 Nf6 6. e5 Ng4 7. Bf4 h5 8. Bd3 Nh6 9. Nf3 Bg4 10. Nh4 e6 11. Bg5 Qc7 12. h3 Bf5 13. Nxf5 Nxf5 14. Ne2 Nd7 15. Bxf5 exf5 16. Nf4 Nf8 17. c3 Ne6 18. Nxe6 fxe6 19. Qd3 Rc8 20. 0-0 b6 21. Rfe1 Rf8 22. Re2 c5 23. Rc1 c4 24. Qc2 Qc6 25. Ra1 Rf7 26. a4 a6 27. Qd2 Rb7 28. Bh6 Qd7 29. Qg5 Qf7 30. Rae1 Bxh6 31. Qxh6 Qg7 32. Qxg7 Rxg7 33. Ra1 g5 34. Rb1 Rb7 35. b4 cxb3 36. Rxb3 Rc6 37. Reb2 Kd7 38. Kf1 Kc7 39. Ke2 Rc4 40. Ra3 b5 41. axb5 axb5 42. Kd3 f4 43. Ra8 b4 44. Rxb4 Rbxb4 45. cxb4 Rxb4 46. Kc3 Rc4+ 47. Kd3 Rb4 1/2-1/2

[Event "Ellmendingen op"]
[Site "Ellmedingen"]
[Date "1978.??.??"]
[Round "?"]
[White "Kuijf, Marinus"]
[Black "Bollen, Jan"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "59"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Ne4 7. Nd2 Nxd2 8. Bxd2 Bc5 9. Qg4 g6 10. Qg3 h6 11. Bd3 Qe7 12. 0-0 a5 13. Bc3 Qe6 14. Kh1 h5 15. f4 h4 16. Qf3 h3 17. f5 gxf5 18. Bxf5 Qd5 19. Bxh3 Ba6 20. e6 Qxf3 21. Rxf3 Rxh3 22. exf7+ Kf8 23. Rxh3 Kxf7 24. Rh8 Ra7 25. Re1 d5 26. Rh7+ Kg6 27. Rg7+ Kf5 28. Re5+ Kf4 29. Rf7+ Kg4 30. h3+ 1-0

[Event "Ellmendingen op"]
[Site "Ellmedingen"]
[Date "1978.??.??"]
[Round "?"]
[White "Rocher, Olivier"]
[Black "Bollen, Jan"]
[Result "1/2-1/2"]
[ECO "D34"]
[PlyCount "148"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c5 5. Bg2 Nc6 6. 0-0 Be7 7. dxc5 Bxc5 8. b3 0-0 9. cxd5 exd5 10. Nc3 Be6 11. Bb2 Qe7 12. Na4 Bd6 13. Nd4 Bd7 14. e3 Be5 15. Re1 Rfe8 16. Rc1 Bxd4 17. Bxd4 Nxd4 18. Qxd4 Bc6 19. Nc3 Qe5 20. Qxe5 Rxe5 21. Red1 Ne4 22. Ne2 g6 23. Nd4 Rc8 24. b4 Ree8 25. Bxe4 dxe4 26. Nxc6 Rxc6 27. Rxc6 bxc6 28. Rd4 Re5 29. a4 Kf8 30. Rd8+ Kg7 31. Rc8 a5 32. Rxc6 axb4 33. Rb6 Ra5 34. Rxb4 f5 35. g4 Kf6 36. Kg2 h5 37. gxf5 gxf5 38. Kg3 Kg5 39. h4+ Kg6 40. Kf4 Ra6 41. Ke5 Ra5+ 42. Kf4 Ra6 43. Rb5 Rxa4 44. Rxf5 Ra2 45. Rg5+ Kh6 46. Rg2 Ra4 47. Kf5 Rb4 48. Rg6+ Kh7 49. Rg5 Kh6 50. Kf4 Rb2 51. Kg3 Rb1 52. Re5 Rg1+ 53. Kh2 Rg4 54. Kh3 Kg6 55. Re8 Kg7 56. Re6 Kh7 57. Rf6 Kg7 58. Rf5 Kg6 59. Rf8 Kg7 60. Re8 Kh7 61. Re7+ Kg6 62. Ra7 Kh6 63. Ra8 Kg7 64. Ra1 Kg6 65. Rh1 Kf5 66. Rd1 Kg6 67. Rf1 Kf5 68. f4 exf3 69. Rxf3+ Ke4 70. Rf8 Kxe3 71. Rf5 Ke4 72. Rxh5 Kf4 73. Rh8 Rg3+ 74. Kh2 Ra3 1/2-1/2

[Event "Ellmendingen op"]
[Site "Ellmedingen"]
[Date "1978.??.??"]
[Round "?"]
[White "Sieg, Ulrich"]
[Black "Bollen, Jan"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "81"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Nbd2 Ne7 9. Re1 Ng6 10. d4 Bd6 11. hxg4 hxg4 12. Nh2 Rxh2 13. Qxg4 Rh4 14. Qf5 Rf4 15. Qxf6 Rxf6 16. Nf3 Re6 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. c3 0-0-0 20. Be3 Bf6 21. Bf4 g5 22. Bc1 g4 23. Bf4 Be5 24. Bg5 f6 25. Be3 Bd6 26. f3 gxf3 27. gxf3 Rh8 28. Bf2 Re7 29. Bd4 Rg7+ 30. Kf2 Be5 31. Rh1 Rgh7 32. Rxh7 Rxh7 33. Rg1 Rh2+ 34. Rg2 Rh8 35. Be3 Rh4 36. Bd4 Kd7 37. Ke3 Kd6 38. b3 c5 39. Bxe5+ fxe5 40. Rf2 Rh3 41. Rd2+ 1/2-1/2

