[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2004.11.16"]
[Round "7"]
[White "Scheffler, Siegfried"]
[Black "Bosma, Achim"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1413"]
[BlackElo "1890"]
[PlyCount "120"]
[EventDate "2004.09.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 g6 6. d4 Bg7 7. Nf3 0-0 8. Bc4 a6 9. a4 Bg4 10. Qd3 Bxf3 11. Qxf3 Nbd7 12. Be3 Rc8 13. Bb3 Qb6 14. Qd1 Ne8 15. 0-0 Nd6 16. a5 Qa7 17. Na4 Nf5 18. Nc5 Nxe3 19. fxe3 Nxc5 20. dxc5 Qxc5 21. Qe2 Qb4 22. Bd1 Qxb2 23. Qxb2 Bxb2 24. Rb1 Bc3 25. Rxb7 Bxa5 26. Rxe7 Bb6 27. d6 Rfd8 28. Rfxf7 Bxe3+ 29. Kf1 Rf8 30. Rxf8+ Rxf8+ 31. Ke2 Bc5 32. Bb3+ Kh8 33. Re6 Rd8 34. d7 Rxd7 35. Rxa6 Re7+ 36. Re6 Rb7 37. Bd5 Rc7 38. h3 Kg7 39. Kd3 Rd7 40. Ke4 Bg1 41. h4 Kh6 42. g4 Ra7 43. h5 Ra4+ 44. Kf3 Kg5 45. Re5+ Kh4 46. hxg6 hxg6 47. Be6 Ra3+ 48. Ke2 Kg3 49. Bd7 Kf4 50. Re8 Bc5 51. Kd2 Rg3 52. Ke2 Bb4 53. Rg8 Rg2+ 54. Kf1 Rd2 55. Bc8 g5 56. Rg7 Rc2 57. Rf7+ Kg3 58. Bf5 Rf2+ 59. Kg1 Bc5 60. Kh1 Rf1# 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2004.11.09"]
[Round "6"]
[White "Bosma, Achim"]
[Black "Endres, Thomas"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1890"]
[PlyCount "108"]
[EventDate "2004.09.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. Bd3 Bd6 5. Nbd2 Nbd7 6. 0-0 c6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bd3 0-0 11. Bg5 h6 12. Bh4 Be7 13. c3 Nd5 14. Bxe7 Qxe7 15. Ne5 Qg5 16. Nf3 Qf4 17. Re1 b6 18. Re5 Bb7 19. Bc2 Ne7 20. Qd3 Ng6 21. g3 Qf6 22. Nd2 Rfd8 23. Ree1 c5 24. Ne4 Bxe4 25. Qxe4 cxd4 26. cxd4 Rac8 27. Bb3 Rxd4 28. Qe3 Rcd8 29. Qc3 Qg5 30. Rad1 Rd2 31. Rxd2 Rxd2 32. Rd1 Rxd1+ 33. Bxd1 Qc5 34. Qxc5 bxc5 35. f4 Kf8 36. Kf2 Ke7 37. Ke3 Kd6 38. Bf3 Ne7 39. Be4 a5 40. Kd3 g5 41. fxg5 hxg5 42. h4 gxh4 43. gxh4 f5 44. Bf3 Ng6 45. h5 Ne5+ 46. Ke2 Nxf3 47. Kxf3 Ke5 48. Ke3 Kf6 49. Kd3 e5 50. Kc4 f4 51. Kd3 Kf5 52. Ke2 e4 53. Kf2 Kg5 54. Kg2 Kxh5 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2004.11.02"]
[Round "5"]
[White "Fink, Christian"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2128"]
[BlackElo "1890"]
[PlyCount "81"]
[EventDate "2004.09.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. Bg5 dxc4 8. Bxc4 0-0 9. 0-0 Bg4 10. h3 Bxf3 11. Qxf3 Nc6 12. Rad1 Rc8 13. Qe3 Na5 14. Be2 Nc4 15. Bxc4 Rxc4 16. Rfe1 Nd5 17. Nxd5 Qxd5 18. Qxe7 Rxd4 19. Rxd4 Qxd4 20. b3 h6 21. Be3 Qd5 22. Rc1 a6 23. Rc7 Be5 24. Rd7 Qe4 25. g3 Qb1+ 26. Kh2 Bg7 27. Rxb7 Qxa2 28. Qd7 h5 29. Bc5 Qe2 30. Qd5 h4 31. gxh4 Qf1 32. h5 Bh6 33. Qf3 Bg7 34. Bd6 gxh5 35. Bg3 f5 36. Rb4 Qe1 37. Rh4 Qe6 38. Qxh5 f4 39. Qh7+ Kf7 40. Rxf4+ Ke8 41. Re4 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2004.10.19"]
[Round "4"]
[White "Bosma, Achim"]
[Black "Roth, Joerg"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1890"]
[BlackElo "1701"]
[PlyCount "117"]
[EventDate "2004.09.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c3 Bg7 5. Qb3 c6 6. Nh3 d5 7. 0-0 0-0 8. Nf4 Kh8 9. Nd2 Qe8 10. Nf3 e6 11. Nd3 Nbd7 12. Bf4 Nh5 13. Bd6 Rg8 14. Nde5 Nxe5 15. dxe5 Bf8 16. c4 b6 17. Qc3 Ba6 18. cxd5 cxd5 19. Rfe1 Bh6 20. e3 Qd7 21. Qa3 Bb7 22. Nd4 Bf8 23. Bxf8 Rgxf8 24. Bf1 a6 25. Rac1 Rfc8 26. f4 Ng7 27. Qb4 b5 28. Nb3 Rxc1 29. Rxc1 Qd8 30. Na5 Qb6 31. Kf2 h5 32. Nxb7 Qxb7 33. Qc5 Kg8 34. Be2 Ra7 35. Qd6 Kf7 36. Qd8 Qe7 37. Qa5 Ne8 38. Rc6 Qb7 39. Qc3 Nc7 40. Qc5 Ne8 41. b3 Qe7 42. Qb6 Qb7 43. Qxb7+ Rxb7 44. Rxa6 b4 45. a3 bxa3 46. Rxa3 Nc7 47. b4 Nb5 48. Rb3 d4 49. Bxb5 dxe3+ 50. Kxe3 Rxb5 51. Rb2 Ke7 52. Kd4 Rd5+ 53. Kc4 g5 54. b5 gxf4 55. gxf4 Kd7 56. Rg2 Rd1 57. Rg7+ Kd8 58. Kc5 Rc1+ 59. Kd6 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2004.10.05"]
[Round "3"]
[White "Sanner, Dennis"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "B16"]
[WhiteElo "2297"]
[BlackElo "1890"]
[PlyCount "83"]
[EventDate "2004.09.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Bf4 Bf5 7. Ne2 e6 8. Ng3 Bg6 9. h4 h5 10. Qd2 Nd7 11. 0-0-0 Nb6 12. Be3 Qd5 13. Kb1 0-0-0 14. Qc3 Kb8 15. Be2 Qd7 16. Bf3 Nd5 17. Qd2 Ka8 18. Ka1 Qc7 19. Qe2 Nb4 20. Rc1 Qa5 21. Qc4 Nd5 22. Ne4 Be7 23. Bd2 Qc7 24. Rhe1 Nb6 25. Qc3 f5 26. Nc5 Bf6 27. Nb3 Qd6 28. g3 Na4 29. Qa5 Nb6 30. Bf4 Qe7 31. c4 Bxd4 32. Nxd4 Rxd4 33. Be3 Rhd8 34. Bxd4 Rxd4 35. Qe5 Qd8 36. Red1 Rxd1 37. Rxd1 Qb8 38. Qf6 Nc8 39. Rd7 a6 40. Qh8 Ka7 41. Rd8 Qe5 42. Qxe5 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2004.09.28"]
[Round "2"]
[White "Bosma, Achim"]
[Black "Maslov, Vjacheslav"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1890"]
[BlackElo "1544"]
[PlyCount "73"]
[EventDate "2004.09.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. e3 Nf6 4. Bd3 Bd6 5. 0-0 0-0 6. Nbd2 Nc6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Ne7 10. Bxh7+ Kh8 11. Bd3 g6 12. Bg5 Kg7 13. c4 c5 14. Qd2 Rh8 15. dxc5 Bxc5 16. Rad1 Qc7 17. Qc3+ Kg8 18. Bf6 Rh7 19. Be5 Qb6 20. Bc2 Nc6 21. Bf6 Qc7 22. g3 b6 23. Ng5 Rh5 24. Be4 Bb7 25. Bf3 Rxg5 26. Bxg5 Nd4 27. Rxd4 Bxd4 28. Qxd4 Bxf3 29. Qf6 Kh7 30. Qxf3 Rg8 31. Bf6 Qxc4 32. b3 Qc2 33. Qb7 Rf8 34. Qxa7 Qf5 35. Qe7 Kg8 36. Rd1 Qe4 37. Qxf8+ 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2004.09.21"]
[Round "1"]
[White "Petersen, Kay"]
[Black "Bosma, Achim"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1510"]
[BlackElo "1890"]
[PlyCount "76"]
[EventDate "2004.09.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 d5 5. Nf3 Bg4 6. Be2 dxc4 7. Bxc4 e6 8. Be3 Bb4+ 9. Nc3 0-0 10. 0-0 Bxc3 11. bxc3 Qc7 12. Qd3 Bxf3 13. gxf3 Qc6 14. Bg5 Nbd7 15. Rac1 a6 16. Bb3 Rad8 17. Qe3 b5 18. h3 Rc8 19. Kh1 Nd5 20. Bxd5 exd5 21. Rg1 Rfe8 22. Qd2 Re6 23. Rg4 Rce8 24. Be3 Nb6 25. Rcg1 g6 26. Qc1 Nc4 27. Re1 f5 28. Rgg1 Qd7 29. Bf4 Re2 30. Rxe2 Rxe2 31. a3 Rxf2 32. Rg3 Qe6 33. Rg1 Re2 34. h4 h5 35. Rf1 Nd2 36. Bxd2 f4 37. Kg1 Qh3 38. Rf2 Qg3+ 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2003.11.25"]
[Round "7"]
[White "Bosma, Achim"]
[Black "Buzov, Boris"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1916"]
[BlackElo "2051"]
[PlyCount "84"]
[EventDate "2003.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 c6 4. Nbd2 Bf5 5. Bd3 e6 6. 0-0 Nbd7 7. Re1 Ne4 8. Bxe4 dxe4 9. Ne5 Nxe5 10. dxe5 Qd5 11. Qe2 Qxe5 12. Nc4 Qc7 13. Rd1 b5 14. Nd2 Bd6 15. Nf1 0-0 16. Ng3 Rad8 17. Bd2 Be5 18. a4 a6 19. axb5 cxb5 20. Ba5 Rxd1+ 21. Qxd1 Qc6 22. c3 Rc8 23. Qd2 h6 24. Qe2 Bg6 25. Rd1 Bc7 26. Bxc7 Qxc7 27. Rd4 Qe5 28. Qd2 Kh7 29. Rd8 Rxd8 30. Qxd8 b4 31. Qd4 Qxd4 32. cxd4 f5 33. f4 Be8 34. Ne2 Bb5 35. Nc1 Bc4 36. Kf2 a5 37. Ke1 a4 38. Kd2 g5 39. g3 gxf4 40. exf4 Kg7 41. Kc2 e3 42. Nd3 Bxd3+ 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2003.11.18"]
[Round "6"]
[White "Melnikov, Alexander"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1931"]
[BlackElo "1916"]
[PlyCount "103"]
[EventDate "2003.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. f4 g6 3. Be2 Bg7 4. d3 d6 5. c3 Nd7 6. Nf3 Qb6 7. Na3 d5 8. e5 e6 9. d4 Ne7 10. 0-0 Nf5 11. g4 Nh6 12. h3 a6 13. b4 Qd8 14. Be3 b5 15. Qd2 Ng8 16. f5 gxf5 17. gxf5 h5 18. fxe6 Nxe5 19. dxe5 Bxe6 20. Kh2 Qc7 21. Nc2 Nh6 22. Ncd4 0-0-0 23. Nxe6 fxe6 24. Bxh6 Bxh6 25. Qd4 Rdf8 26. Nh4 Rfg8 27. Rg1 Bg7 28. Ng6 Rh6 29. Kh1 Kb7 30. a4 Rxg6 31. Rxg6 Bxe5 32. Qg1 Rxg6 33. Qxg6 Bxc3 34. Rf1 Bxb4 35. Rf7 Be7 36. Qg7 Kb6 37. Rxe7 Qf4 38. Rxe6 d4 39. Qf6 Qc1+ 40. Qf1 Qxf1+ 41. Bxf1 bxa4 42. Kg2 a3 43. Re2 Kc5 44. Rc2+ Kb4 45. Rxc6 a2 46. Rxa6 Kb3 47. Bc4+ Kxc4 48. Rxa2 Kb3 49. Ra1 Kb2 50. Rg1 d3 51. Kg3 d2 52. Kh4 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2003.11.11"]
[Round "5"]
[White "Bosma, Achim"]
[Black "Herrmann, Guido"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1916"]
[BlackElo "1574"]
[PlyCount "85"]
[EventDate "2003.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 c5 4. dxc5 Bxc5 5. Nc3 Nc6 6. Bg5 h6 7. Bh4 Qb6 8. Qb3 Qxb3 9. axb3 Be7 10. e3 b6 11. Be2 0-0 12. 0-0 Na5 13. Bd1 Bb7 14. Bc2 d5 15. cxd5 Bxd5 16. Nxd5 Nxd5 17. Bxe7 Nxe7 18. b4 Nc4 19. b3 Nd6 20. Rfd1 Rfd8 21. Rd2 Nb5 22. Bd3 a6 23. g3 Nd5 24. Rad1 Ndc3 25. Bh7+ Kxh7 26. Rxd8 Rxd8 27. Rxd8 Nd5 28. Rb8 Nbc3 29. Ne5 Na2 30. Nxf7 Naxb4 31. Ne5 b5 32. Nd7 Kg6 33. e4 Nc3 34. f3 Nd3 35. Rc8 Nc1 36. Kf2 N3a2 37. Nc5 Kf6 38. Rc6 Nb4 39. Rxe6+ Kf7 40. Rb6 Nbd3+ 41. Nxd3 Nxd3+ 42. Ke3 Nc5 43. b4 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2003.10.14"]
[Round "4"]
[White "Decrouppe, Johann"]
[Black "Bosma, Achim"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1635"]
[BlackElo "1916"]
[PlyCount "110"]
[EventDate "2003.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Nc3 0-0 6. Bd3 cxd4 7. exd4 d6 8. h3 Bd7 9. Be3 Nh5 10. Qd2 f5 11. Bh6 f4 12. Bxg7 Kxg7 13. 0-0-0 Nc6 14. d5 Nb4 15. Be2 Bf5 16. Nd4 Bd7 17. a3 Na6 18. Bg4 Rf6 19. Bxd7 Qxd7 20. Ne6+ Kg8 21. Ne4 Rxe6 22. dxe6 Qa4 23. Qc2 Qc6 24. Nc3 Rc8 25. Nd5 Qe8 26. Kb1 b5 27. Rd4 Nc5 28. cxb5 Rb8 29. b4 Nxe6 30. Rc4 Kf7 31. Nc7 Qd7 32. Nxe6 Qxe6 33. Qe4 Qxe4+ 34. Rxe4 Rxb5 35. Rc1 Rb7 36. Ka2 e5 37. Rec4 Ke6 38. Rc7 Rb5 39. Rxa7 e4 40. Ra5 Rb7 41. Kb3 d5 42. Rac5 Nf6 43. b5 e3 44. Re1 Ne4 45. Rc2 d4 46. fxe3 fxe3 47. a4 Kd5 48. Rc8 Nc5+ 49. Ka3 Ra7 50. Rxc5+ Kxc5 51. Kb3 Re7 52. Rc1+ Kb6 53. Rc6+ Kb7 54. Rc1 d3 55. Rg1 e2 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2003.09.30"]
[Round "2"]
[White "Graw, Rolf"]
[Black "Bosma, Achim"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1656"]
[BlackElo "1916"]
[PlyCount "90"]
[EventDate "2003.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. Qb3 0-0 8. cxd5 a6 9. Bd3 Nbd7 10. 0-0 Nb6 11. Re1 Nbxd5 12. Bg5 Nc7 13. Rad1 Ne6 14. d5 Nxg5 15. Nxg5 b5 16. Be2 Ne8 17. Rd3 Nd6 18. Bf3 Bh6 19. Nce4 Bf5 20. Rc3 Qd7 21. Nc5 Qa7 22. Nge4 Rac8 23. g4 Bxe4 24. Nxe4 Rxc3 25. Qxc3 Rc8 26. Qd3 Qc7 27. Nc3 Bg5 28. Kg2 Nc4 29. Nd1 Bf6 30. Qe4 Qd6 31. b3 Nd2 32. Qd3 Nxf3 33. Qxf3 Rc1 34. a4 Qb4 35. Re4 Qd2 36. axb5 axb5 37. d6 Qxd6 38. Ne3 Rb1 39. Nc2 Qd2 40. Na3 Ra1 41. Nxb5 Qc1 42. Re3 Qf1+ 43. Kg3 Qxb5 44. Qe2 Rg1+ 45. Kh3 Qg5 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2003.09.23"]
[Round "1"]
[White "Bosma, Achim"]
[Black "Kober, Jan"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1916"]
[BlackElo "1547"]
[PlyCount "65"]
[EventDate "2003.09.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. Nbd2 g6 5. c3 Bg7 6. Qc2 d5 7. g3 Nbd7 8. Bg2 0-0 9. Ne5 e6 10. Bg5 Qc8 11. Nxd7 Qxd7 12. Bxf6 Bxf6 13. 0-0 c6 14. e4 Bg7 15. e5 c5 16. Rfe1 Rac8 17. Qd3 cxd4 18. cxd4 Rc7 19. Rac1 Rfc8 20. Rxc7 Rxc7 21. Nf1 Qa4 22. a3 Ba6 23. Qe3 Qc2 24. Qg5 Rc8 25. Ne3 Qc6 26. Ng4 Qa4 27. Nf6+ Bxf6 28. exf6 Qxd4 29. Bf1 Bxf1 30. Rxf1 Qxb2 31. h4 Qxa3 32. h5 Qd3 33. Qh6 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2001.12.04"]
[Round "7"]
[White "Stuerken, Eibe"]
[Black "Bosma, Achim"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1758"]
[BlackElo "1920"]
[PlyCount "76"]
[EventDate "2001.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Qa5+ 7. Nbd2 Qa6 8. Qxa6 Nxa6 9. a3 c5 10. c3 cxd4 11. cxd4 Rc8 12. 0-0 Ne7 13. b4 Nf5 14. b5 Nb8 15. Nb3 h6 16. Bd2 Be7 17. g4 Nh4 18. Nxh4 Bxh4 19. Bb4 b6 20. Rac1 Kd7 21. Bd6 Bg5 22. f4 Be7 23. Bxe7 Kxe7 24. Rxc8 Rxc8 25. Rc1 Rxc1+ 26. Nxc1 a5 27. Kf2 Nd7 28. Nd3 Nf8 29. Kg3 Nh7 30. h4 g5 31. hxg5 hxg5 32. f5 Nf8 33. f6+ Ke8 34. Ne1 Ng6 35. Kf3 Nf4 36. Ke3 Kf8 37. Nf3 Nh3 38. Nd2 Ke8 1/2-1/2

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2001.11.06"]
[Round "5"]
[White "Ries, Norbert"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1901"]
[BlackElo "1920"]
[PlyCount "59"]
[EventDate "2001.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 8. Qd4 Nxc3 9. bxc3 Be7 10. Qg4 Rg8 11. Qh5 h6 12. Be3 Bg5 13. f4 Be7 14. c5 c6 15. Bc4 Rf8 16. 0-0 Qa5 17. Bd4 Bxc5 18. Rae1 Be7 19. f5 b6 20. e6 dxe6 21. Bxg7 Qc5+ 22. Kh1 Qxc4 23. Bxf8 Bxf8 24. Rf3 Be7 25. Rg3 Bg5 26. Rd1 exf5 27. Rxg5 hxg5 28. Qh8+ Ke7 29. Qd8+ Ke6 30. Qd6# 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2001.10.23"]
[Round "4"]
[White "Bosma, Achim"]
[Black "Back, Andreas"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1920"]
[BlackElo "1614"]
[PlyCount "87"]
[EventDate "2001.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 a6 4. Bd3 Bg4 5. Nbd2 e6 6. 0-0 Bd6 7. c3 0-0 8. Qc2 Bxf3 9. Nxf3 h6 10. Ne5 Nbd7 11. f4 c6 12. c4 dxc4 13. Nxc4 Qc7 14. e4 Be7 15. e5 Nd5 16. a3 f5 17. Ne3 Qb6 18. Qc4 Qa5 19. Rb1 N7b6 20. Qc2 Nxe3 21. Bxe3 Nd5 22. Bd2 Qb6 23. Qc4 Qc7 24. b4 b5 25. Qc2 Qb6 26. Bc3 Ne3 27. Qb3 Nd5 28. Rbc1 Rac8 29. Rfd1 Kf7 30. Rf1 Ne3 31. Rf2 Nd5 32. Bb1 Bh4 33. g3 Be7 34. Qd1 g6 35. g4 Ne3 36. Qf3 Nxg4 37. Rg2 h5 38. h3 Nh6 39. Ba2 Bh4 40. Bxe6+ Kxe6 41. Rxg6+ Kf7 42. Qxh5 Rg8 43. Rxg8+ Kxg8 44. Qg6+ 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2001.10.09"]
[Round "3"]
[White "Landsrath, Mario"]
[Black "Bosma, Achim"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1672"]
[BlackElo "1920"]
[PlyCount "78"]
[EventDate "2001.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bg6 5. Ne2 e6 6. Ng3 c5 7. f4 Qh4 8. Bb5+ Nc6 9. 0-0 Nh6 10. Nd2 Nxg4 11. Nf3 Qd8 12. Qe2 Qb6 13. f5 cxd4 14. Bd3 Bxf5 15. Nxf5 exf5 16. Kh1 Ne3 17. Bxe3 dxe3 18. Bxf5 g6 19. e6 gxf5 20. exf7+ Kd7 21. Rad1 d4 22. Qxe3 Bd6 23. Nxd4 Nxd4 24. Rxd4 Qc6+ 25. Kg1 Kc7 26. Rxd6 Qxd6 27. Qc3+ Kd7 28. Qf3 Qc5+ 29. Rf2 Kc7 30. Qf4+ Kb6 31. Qh6+ Kb5 32. c4+ Ka5 33. Qd2+ Ka6 34. b4 Qxc4 35. Qd6+ b6 36. Rxf5 Qg4+ 37. Kh1 Qxf5 38. b5+ Ka5 39. Qa3+ Kxb5 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2001.09.18"]
[Round "2"]
[White "Bosma, Achim"]
[Black "Graw, Rolf"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1920"]
[BlackElo "1590"]
[PlyCount "67"]
[EventDate "2001.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. Be2 e6 5. c3 Bd6 6. Nbd2 0-0 7. Qc2 Nbd7 8. h3 Bf5 9. Bd3 Bxd3 10. Qxd3 Qe7 11. 0-0 e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. Nf3 Qe4 15. Qb5 Rab8 16. Qe2 Rfe8 17. Rd1 Nh5 18. Rd4 Qf5 19. Qd1 Nf6 20. b3 Re4 21. Bb2 Rbe8 22. Rc1 c5 23. Rd2 Be5 24. Qc2 Qg6 25. Rcd1 Bg3 26. c4 d4 27. exd4 Bf4 28. Ne5 cxd4 29. Bxd4 Bxe5 30. Bxa7 Bf4 31. Rd8 Bc7 32. Rxe8+ Nxe8 33. f3 Re1+ 34. Rxe1 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2001.09.04"]
[Round "1"]
[White "Waclawski, Klaus"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1620"]
[BlackElo "1920"]
[PlyCount "173"]
[EventDate "2001.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. Be3 Nf6 6. f3 Qb6 7. Qc1 Bd7 8. c3 Rc8 9. a3 Na5 10. Nd2 e5 11. Ne2 e4 12. Bc2 exf3 13. Nxf3 Bd6 14. Ne5 Be6 15. Ba4+ Nc6 16. Qc2 0-0 17. Nxc6 bxc6 18. Bf4 Qc7 19. 0-0 Ne4 20. Bxd6 Qxd6 21. Qd3 Bg4 22. Bc2 Rfe8 23. Rae1 g6 24. Ng3 Nxg3 25. hxg3 Bf5 26. Rxe8+ Rxe8 27. Qf3 Be6 28. Re1 Qb8 29. b4 Qd6 30. g4 Ra8 31. g5 a5 32. Rb1 Rb8 33. Kf2 axb4 34. cxb4 Qd8 35. Qe3 Qd7 36. a4 Re8 37. Re1 Qb7 38. Rb1 Qb8 39. Qd2 Bg4 40. Bd3 Qh2 41. b5 Qh4+ 42. Kg1 Bd7 43. b6 Qxd4+ 44. Kf1 Bf5 45. Rd1 Bxd3+ 46. Qxd3 Qxb6 47. Rb1 Qe3 48. Qxe3 Rxe3 49. Ra1 Re7 50. a5 Ra7 51. Ke2 Ra6 52. Kd3 Kf8 53. Kd4 Ke7 54. Ke5 Kd7 55. Ra4 Ke7 56. Ra1 c5 57. Kxd5 Kd7 58. Kxc5 Kc7 59. Kb5 Re6 60. a6 Kb8 61. a7+ Ka8 62. Ra6 Re5+ 63. Kc6 Rxg5 64. Ra2 Rg3 65. Kb6 Rb3+ 66. Ka6 Rb7 67. Re2 Rxa7+ 68. Kb6 Rb7+ 69. Kc6 Ka7 70. Ra2+ Kb8 71. Re2 Rc7+ 72. Kd6 Kb7 73. Re7 Rxe7 74. Kxe7 Kc6 75. Kxf7 Kd6 76. Kf6 Kd5 77. Kg7 Ke5 78. Kxh7 g5 79. Kh6 Kf4 80. Kh5 Kf5 81. g3 Kf6 82. g4 Kg7 83. Kxg5 Kh7 84. Kf5 Kg7 85. g5 Kg8 86. g6 Kf8 87. Kf6 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2000.11.28"]
[Round "7"]
[White "Bosma, Achim"]
[Black "Friese, Peter"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1869"]
[BlackElo "2049"]
[PlyCount "81"]
[EventDate "2000.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. c3 c5 4. e3 Nc6 5. Bd3 Nf6 6. 0-0 Qc7 7. Re1 Bd7 8. Nbd2 cxd4 9. exd4 Bd6 10. Nf1 h6 11. Qe2 0-0 12. Ne5 Rae8 13. Ng3 Bc8 14. Nh5 Qe7 15. Nxf6+ Qxf6 16. Ng4 Qd8 17. Nxh6+ gxh6 18. Qg4+ Kh8 19. Bxh6 Qf6 20. Qh5 Kg8 21. Qg4+ Kh8 22. Bg5 Qg7 23. Qh5+ Kg8 24. Bf6 Ne7 25. Bxg7 Kxg7 26. Re3 f5 27. Rh3 Rh8 28. Qg5+ Ng6 29. Rxh8 Rxh8 30. g3 Be7 31. Qe3 b6 32. f4 Bd6 33. a4 e5 34. fxe5 Re8 35. Qf3 Rxe5 36. dxe5 Nxe5 37. Qxd5 Bc5+ 38. Kf1 Ng4 39. Re1 Nxh2+ 40. Kg2 Ng4 41. Qc6 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2000.11.14"]
[Round "6"]
[White "Schnur, Edmund"]
[Black "Bosma, Achim"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1973"]
[BlackElo "1869"]
[PlyCount "63"]
[EventDate "2000.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bc5 4. Bg2 d6 5. b4 Bd4 6. Bb2 c6 7. e3 Bxc3 8. Bxc3 0-0 9. Ne2 Bf5 10. d4 Ne4 11. Bb2 Qb6 12. a3 Nd7 13. 0-0 Ng5 14. h4 Ne4 15. g4 Nxf2 16. Rxf2 Bxg4 17. Bf3 f5 18. Ng3 Bxf3 19. Qxf3 f4 20. exf4 Rxf4 21. Qe2 Rxf2 22. Qxf2 Rf8 23. Qe2 Qd8 24. Rf1 Rxf1+ 25. Kxf1 Qxh4 26. Kg2 Qf4 27. c5 exd4 28. Qe6+ Qf7 29. Qxf7+ Kxf7 30. cxd6 c5 31. Ne4 b6 32. Kf3 1/2-1/2

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2000.10.31"]
[Round "5"]
[White "Fink, Horst"]
[Black "Bosma, Achim"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1968"]
[BlackElo "1869"]
[PlyCount "88"]
[EventDate "2000.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. f4 d5 2. b3 Nf6 3. Nf3 Bf5 4. Bb2 e6 5. e3 Nbd7 6. Be2 c6 7. 0-0 Bd6 8. Ne5 Bxe5 9. fxe5 Ng8 10. d4 h5 11. Nd2 Qg5 12. Rf4 Qh6 13. Nf1 g5 14. Rf2 Ne7 15. Bd3 g4 16. Ba3 Bxd3 17. Qxd3 f5 18. Qd2 Qg7 19. Qb4 b6 20. Qd6 Rc8 21. Qb4 h4 22. Re2 c5 23. Qd2 0-0 24. g3 h3 25. Rc1 Rf7 26. c4 Nf8 27. Bb2 Nh7 28. Qd3 Ng5 29. Nd2 Ne4 30. Rf1 cxd4 31. exd4 Nc6 32. a3 Nxd2 33. Rxd2 Rd7 34. Rc1 Ne7 35. Rdc2 Rf8 36. c5 f4 37. gxf4 Rxf4 38. Rf1 Ng6 39. Rxf4 Nxf4 40. Qg3 Qg6 41. Qc3 Qe4 42. cxb6 Rf7 43. b7 Ne2+ 44. Rxe2 Qh1+ 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2000.10.17"]
[Round "4"]
[White "Bosma, Achim"]
[Black "Baumann, Bettina"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1869"]
[BlackElo "1618"]
[PlyCount "111"]
[EventDate "2000.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Nc6 4. Bxf6 exf6 5. e3 Bd6 6. a3 0-0 7. c4 dxc4 8. Bxc4 Bg4 9. Nbd2 Qe7 10. Rc1 Nxd4 11. 0-0 Nxf3+ 12. Nxf3 Rad8 13. Qe2 Bf5 14. Nd4 Bg6 15. Nb5 a6 16. Nc3 b5 17. Ba2 c6 18. Qf3 Qe5 19. g3 Rc8 20. Bb1 Bxb1 21. Rxb1 b4 22. axb4 Bxb4 23. Na4 Qb5 24. b3 Rfd8 25. Rfd1 Rd3 26. Rdc1 a5 27. Rc4 Rd5 28. Kg2 Rf5 29. Qg4 Rc7 30. Rbc1 Re5 31. Nb2 Ba3 32. Rd1 Rd5 33. Re4 Rxd1 34. Re8+ Bf8 35. Nxd1 Qd5+ 36. e4 Qxb3 37. Qf4 Re7 38. Rd8 Qe6 39. Qb8 Qxe4+ 40. f3 Qe2+ 41. Nf2 h6 42. Rxf8+ Kh7 43. Rh8+ Kg6 44. Qb1+ f5 45. Rg8 Qb5 46. Qa1 Qe5 47. Qa4 Qb5 48. Qd4 Qe5 49. Qb6 Qc7 50. Qxc7 Rxc7 51. Ra8 c5 52. Rxa5 c4 53. Ra1 c3 54. Rc1 c2 55. Nd3 Rd7 56. Ne5+ 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2000.09.26"]
[Round "3"]
[White "Bosma, Achim"]
[Black "Senger, Alexander"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "1869"]
[BlackElo "1590"]
[PlyCount "105"]
[EventDate "2000.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 g6 3. e3 Bg7 4. c4 dxc4 5. Bxc4 Nf6 6. Qb3 0-0 7. Ne5 e6 8. 0-0 c6 9. a4 Nd5 10. f4 f5 11. Nd2 Nd7 12. Nxd7 Qxd7 13. Nf3 Nb6 14. Bd3 Qd5 15. Qc2 Re8 16. a5 Nd7 17. Bc4 Qd6 18. b3 c5 19. Ba3 Qc7 20. Rac1 Qxa5 21. Bxc5 Nxc5 22. dxc5 Qd8 23. Rfd1 Qe7 24. Rd6 b6 25. b4 bxc5 26. bxc5 Kh8 27. Qb3 a5 28. Qa4 Bb7 29. Rxe6 Qf8 30. c6 Bc8 31. Rxe8 Qxe8 32. Kf2 Qe7 33. Ng5 h6 34. Nf3 Qb4 35. Qxb4 axb4 36. Nd4 Ra3 37. c7 Bxd4 38. exd4 b3 39. d5 b2 40. Rb1 Rc3 41. Rxb2 Rxc4 42. d6 Kg7 43. Rb8 Be6 44. Re8 Kf7 45. Re7+ Kf6 46. Ke3 Rc6 47. d7 Bxd7 48. Rxd7 Ke6 49. Rg7 Kd6 50. Kd4 Rxc7 51. Rxg6+ Ke7 52. Rg7+ Kd6 53. Rxc7 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2000.09.12"]
[Round "2"]
[White "Daumen, Michael"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "B16"]
[WhiteElo "2067"]
[BlackElo "1869"]
[PlyCount "133"]
[EventDate "2000.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Ne2 e6 8. Ng3 Bg6 9. Be2 Qc7 10. Nh5 Nd7 11. Bf4 Bd6 12. Qd2 0-0-0 13. Bxd6 Qxd6 14. 0-0 e5 15. Rad1 e4 16. Qf4 Qxf4 17. Nxf4 Rhe8 18. Rfe1 f5 19. h4 h6 20. h5 Bh7 21. Bc4 Rf8 22. Bb3 c5 23. Re2 cxd4 24. Rxd4 Ne5 25. Red2 Rxd4 26. Rxd4 Rd8 27. Rxd8+ Kxd8 28. Nd5 Nd7 29. Kf1 f6 30. Nf4 Ke7 31. Ke2 Kd6 32. Ke3 Ne5 33. f3 Nd7 34. Bd5 Nc5 35. b4 Na4 36. c4 b6 37. Kd4 Nb2 38. Kc3 Nd1+ 39. Kd2 Nb2 40. Kc2 Na4 41. Kb3 b5 42. cxb5 Nb6 43. Bf7 Ke7 44. Bg6 Bg8+ 45. Kb2 Kd6 46. Ne2 Bc4 47. Nd4 exf3 48. Nxf5+ Ke5 49. gxf3 Bxb5 50. Nxh6 Kf4 51. Nf7 Nc4+ 52. Kc3 Ne5 53. Nxe5 fxe5 54. h6 Kxf3 55. h7 e4 56. Bxe4+ Kxe4 57. h8Q a6 58. Qd4+ Kf5 59. Kb3 Ke6 60. a4 Bc6 61. Qb6 Kd7 62. b5 Bd5+ 63. Kb4 axb5 64. axb5 Be6 65. Kc5 Bg4 66. Qd6+ Ke8 67. b6 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "2000.08.29"]
[Round "1"]
[White "Bosma, Achim"]
[Black "Graw, Rolf"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1869"]
[BlackElo "1675"]
[PlyCount "45"]
[EventDate "2000.08.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 dxc4 5. Bxf6 gxf6 6. e3 b5 7. a4 Bd7 8. axb5 cxb5 9. Qf3 Bc6 10. d5 b4 11. dxc6 bxc3 12. bxc3 Qc7 13. Bxc4 Nxc6 14. Bb5 Rc8 15. Ra6 Kd7 16. Bxc6+ Kd8 17. Ne2 Bg7 18. 0-0 e6 19. Rd1+ Ke7 20. Qe4 Rcd8 21. Qb4+ Rd6 22. Rxa7 Kd8 23. Rxd6+ 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1999.12.07"]
[Round "7"]
[White "Bosma, Achim"]
[Black "Jazayeri, Pouyan"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1880"]
[BlackElo "1869"]
[PlyCount "115"]
[EventDate "1999.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. c4 0-0 5. Nc3 d6 6. Be2 Nc6 7. 0-0 e5 8. d5 Ne7 9. a4 Nd7 10. Qc2 h6 11. a5 f5 12. b4 g5 13. Bb2 Qe8 14. Nb5 Qd8 15. c5 Nf6 16. cxd6 cxd6 17. Qc7 Nfxd5 18. Qxd6 Qxd6 19. Nxd6 e4 20. Nd4 Nxb4 21. Bc4+ Kh7 22. Ba3 Bxd4 23. exd4 Nc2 24. Nxc8 Rfxc8 25. Be6 Re8 26. Bxe7 Nxa1 27. Bxf5+ Kg7 28. Bd6 Kf6 29. Bd7 Red8 30. Be5+ Ke7 31. Ba4 Rd5 32. Rxa1 Rxa5 33. Ra2 Rc8 34. Kf1 b5 35. Rc2 Rxc2 36. Bxc2 Ra1+ 37. Ke2 Ra2 38. Kd1 b4 39. Kc1 b3 40. Bxb3 Rxf2 41. d5 e3 42. Kd1 Rxg2 43. d6+ Kd7 44. Ke1 Rd2 45. Ba4+ Ke6 46. Bg3 h5 47. d7 Ke7 48. Bc7 g4 49. Bf4 Rd5 50. Bg3 Rxd7 51. Bxd7 Kxd7 52. Ke2 Ke6 53. Kxe3 Kf5 54. Bc7 Kg5 55. Ke4 h4 56. Bd8+ Kh5 57. Kf4 g3 58. hxg3 1/2-1/2

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1999.11.16"]
[Round "6"]
[White "Schaefer, Friedhelm"]
[Black "Bosma, Achim"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1639"]
[BlackElo "1880"]
[PlyCount "88"]
[EventDate "1999.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Qxd4 Qxd4 11. Nxd4 a6 12. Re1 Be7 13. a4 0-0 14. Bg5 h6 15. Bh4 Bd6 16. Bxf6 gxf6 17. Bd3 Be5 18. Re4 Rd8 19. c3 Bxd4 20. Rxd4 Rxd4 21. cxd4 Bd7 22. Kf1 Bc6 23. Ke2 Rd8 24. Ke3 f5 25. f4 Kg7 26. b3 Kf6 27. g3 Kg6 28. Rc1 Kh5 29. Bxa6 Kg6 30. Be2 Kf6 31. a5 Ke7 32. b4 Kd6 33. b5 Bd7 34. a6 bxa6 35. bxa6 Ra8 36. Rb1 Bc6 37. Ra1 Ra7 38. Bf3 Bd5 39. Ra5 Bc4 40. Be2 Bd5 41. h3 Bg2 42. h4 Bd5 43. Bf3 Bc4 44. Be2 Bd5 1/2-1/2

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1999.10.26"]
[Round "5"]
[White "Bosma, Achim"]
[Black "Bilitza, Alwin"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1880"]
[BlackElo "1950"]
[PlyCount "128"]
[EventDate "1999.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 g6 4. Bd3 Bg7 5. c3 0-0 6. Nbd2 b6 7. 0-0 Ba6 8. Qe2 Bxd3 9. Qxd3 c5 10. Ne5 Nfd7 11. f4 f6 12. Ng4 c4 13. Qc2 f5 14. Ne5 Qc7 15. b3 Nxe5 16. fxe5 cxb3 17. Qxb3 Rd8 18. e4 fxe4 19. Nxe4 Qc4 20. Qxc4 dxc4 21. Ng5 Na6 22. Ba3 Re8 23. Ne6 Bh6 24. Rf3 Rac8 25. Rh3 Bg7 26. Rf1 Nc7 27. Nxg7 Kxg7 28. Rhf3 Nd5 29. Rf7+ Kg8 30. Bc1 Nf6 31. e6 Rc6 32. R1xf6 exf6 33. d5 Rd6 34. Bh6 Rxd5 35. Rxf6 Re5 36. Rf7 R5xe6 37. Rxa7 R6e7 38. Ra4 b5 39. Rb4 Re5 40. a4 bxa4 41. Rxa4 Rh5 42. Bf4 Rc5 43. Ra7 g5 44. Bg3 Rc6 45. Bf2 Rf6 46. h3 Rf7 47. Ra4 Rc8 48. Bd4 h6 49. Ra5 Rc6 50. Ra8+ Kh7 51. Rd8 Kg6 52. g4 Re7 53. Rf8 Re2 54. Ra8 Kf7 55. Ra7+ Ke6 56. Ra5 Kd6 57. Kf1 Rd2 58. Rf5 Rd3 59. Rf6+ Kd7 60. Rf7+ Ke8 61. Rh7 Rxd4 62. cxd4 c3 63. d5 c2 64. Rh8+ Kf7 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1999.10.19"]
[Round "4"]
[White "Forster, Manfred1111"]
[Black "Bosma, Achim"]
[Result "0-1"]
[ECO "E34"]
[WhiteElo "1383"]
[BlackElo "1880"]
[PlyCount "87"]
[EventDate "1999.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 d5 6. e3 Ne4 7. Bd3 Bxc3+ 8. bxc3 f5 9. 0-0 b6 10. Ne5 Nd7 11. Nxd7 Qxd7 12. f3 Nd6 13. cxd5 exd5 14. c4 c6 15. cxd5 cxd5 16. Rb1 Bb7 17. Qe2 Rac8 18. Ba3 Rf6 19. Bxd6 Rxd6 20. f4 Qe6 21. Rfe1 Rdc6 22. a4 R8c7 23. Qh5 Bc8 24. Qf3 Rc3 25. Bb5 a6 26. Bf1 Bd7 27. Bxa6 Bxa4 28. Bf1 Bc2 29. Ra1 Be4 30. Ra8+ Rc8 31. Rxc8+ Qxc8 32. Qd1 Qc6 33. Qa1 h6 34. Qb2 Rc2 35. Qa1 Qg6 36. g3 Qg4 37. Qd1 Qxd1 38. Rxd1 Rb2 39. Re1 b5 40. Be2 b4 41. g4 fxg4 42. Bxg4 Rg2+ 43. Kf1 Rxg4 44. Rb1 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1999.10.05"]
[Round "3"]
[White "Bosma, Achim"]
[Black "Moors, Marco"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1880"]
[BlackElo "1775"]
[PlyCount "113"]
[EventDate "1999.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. Be2 e6 5. Nbd2 c5 6. c3 cxd4 7. exd4 Bd6 8. 0-0 0-0 9. Qc2 Bf5 10. Bd3 Bxd3 11. Qxd3 Qc7 12. Re1 Nbd7 13. Nf1 a6 14. Bg5 Ne4 15. Bh4 h6 16. c4 g5 17. cxd5 exd5 18. Bg3 Nxg3 19. hxg3 Rfe8 20. Ne3 Nf6 21. Qf5 Qd8 22. Nxd5 Rxe1+ 23. Rxe1 Nxd5 24. Qxd5 Bb4 25. Qxd8+ Rxd8 26. Rd1 Rd5 27. Rd3 b5 28. Kf1 Ba5 29. Ke2 Bb6 30. Ke3 f5 31. Ne1 Kf7 32. Nc2 a5 33. Rc3 Rd6 34. f4 Ke7 35. Rd3 Rd5 36. a3 Kd7 37. Ne1 g4 38. Nc2 Ke7 39. Kd2 Kd7 40. Kc3 Ke6 41. Re3+ Kd7 42. Re5 Kd6 43. Re8 Kd7 44. Re5 Kd6 45. Rxd5+ Kxd5 46. Ne3+ Ke4 47. Nc2 Ba7 48. b3 Kd5 49. a4 bxa4 50. bxa4 Bb6 51. Kd3 Bc7 52. Ne3+ Ke6 53. Kc4 h5 54. Kc5 Bd6+ 55. Kc6 Be7 56. d5+ Kf7 57. Nxf5 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1999.09.21"]
[Round "2"]
[White "Schulz, Klaus Juergen"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2372"]
[BlackElo "1880"]
[PlyCount "45"]
[EventDate "1999.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. c4 cxd4 6. Nxd4 Bb4+ 7. Nd2 0-0 8. 0-0 a5 9. cxd5 exd5 10. N2f3 Nc6 11. Be3 Re8 12. Rc1 Rxe3 13. fxe3 Qe8 14. Qd3 Ng4 15. a3 Bd6 16. Rc3 Nce5 17. Nxe5 Nxe5 18. Qb5 Qe7 19. Qxd5 Ng4 20. Rxc8+ Rxc8 21. Nf5 Qg5 22. Qxd6 Re8 23. Qf4 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1999.08.31"]
[Round "1"]
[White "Bosma, Achim"]
[Black "Petersen, Kay"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "1880"]
[BlackElo "1554"]
[PlyCount "71"]
[EventDate "1999.08.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Bd6 8. e4 dxe4 9. Nxe4 Bb4+ 10. Nc3 0-0 11. Bd3 a6 12. 0-0 Bxc3 13. bxc3 b5 14. c5 Ra7 15. Ne5 Rc7 16. f4 Nd7 17. Qh5 Nxe5 18. fxe5 Qg5 19. Qf3 f5 20. exf6 Rxf6 21. Qe4 Rf5 22. Rae1 Bd7 23. Qe2 Rf6 24. Qe4 Rf5 25. h4 Qg6 26. Qe2 Rxf1+ 27. Rxf1 Qe8 28. Qe4 g6 29. Rf6 Bc8 30. Rxg6+ Rg7 31. Rxg7+ Kxg7 32. Qh7+ Kf6 33. Qxh6+ Ke7 34. Bg6 Qg8 35. h5 Bd7 36. Qg5+ 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1998.12.08"]
[Round "7"]
[White "Bosma, Achim"]
[Black "Moors, Marco"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1877"]
[BlackElo "1598"]
[PlyCount "57"]
[EventDate "1998.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 c6 8. a3 Bxc3+ 9. bxc3 Qa5 10. Qb3 Ne4 11. Rc1 Nxg5 12. Nxg5 h6 13. Nf3 0-0 14. Be2 Nf6 15. 0-0 Qc7 16. Ne5 Be6 17. Rb1 Rab8 18. c4 dxc4 19. Bxc4 Bxc4 20. Qxc4 Qd6 21. Qa4 a6 22. Nc4 Qc7 23. Nb6 Rfe8 24. Rfc1 Re6 25. d5 Re4 26. Qc2 Qe7 27. dxc6 bxc6 28. Qxc6 Re6 29. Nd5 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1998.12.01"]
[Round "6"]
[White "Schnur, Edmund"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2005"]
[BlackElo "1877"]
[PlyCount "63"]
[EventDate "1998.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. Nf3 0-0 8. c5 Nc6 9. a3 Ne4 10. Bxe7 Nxc3 11. Bxd8 Nxd1 12. Rxd1 Rxd8 13. b4 f6 14. Bb5 Bd7 15. 0-0 Ne5 16. dxe5 Bxb5 17. Rfe1 f5 18. Nd4 Bd7 19. b5 Rdb8 20. Rb1 Kf7 21. a4 b6 22. c6 Be8 23. Rec1 Rc8 24. a5 Rc7 25. Ra1 Rb8 26. f4 Ke7 27. Rc3 Bf7 28. Rca3 Kd8 29. axb6 axb6 30. Ra8 Rcc8 31. R8a7 Ke8 32. c7 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1998.11.17"]
[Round "5"]
[White "Bosma, Achim"]
[Black "Thieme Garmann, Alexander"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1877"]
[BlackElo "2040"]
[PlyCount "92"]
[EventDate "1998.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Nbxd2 d6 7. g3 Nbd7 8. Bg2 0-0 9. 0-0 e5 10. e3 Re8 11. Ng5 a4 12. b4 axb3 13. Qxb3 Qe7 14. Nge4 Nxe4 15. Nxe4 Nf6 16. Nxf6+ Qxf6 17. dxe5 Rxe5 18. Qc3 Raa5 19. Rfd1 b6 20. Rd5 Qe7 21. Rad1 h6 22. Rxa5 Rxa5 23. Rd5 Ra7 24. Rd4 Qe5 25. Qd3 Bf5 26. Qb3 Qa5 27. Rd1 Qxa3 28. Qb5 Qa4 29. Qxa4 Rxa4 30. Rc1 Be6 31. Bd5 Kf8 32. Kf1 Ke7 33. Rc2 Ra5 34. Be4 Rc5 35. Bd3 d5 36. cxd5 Rxc2 37. Bxc2 Bxd5 38. Ke2 Kd6 39. Kd3 Kc5 40. Kc3 b5 41. e4 b4+ 42. Kd3 Bc4+ 43. Kd2 Kd4 44. Bb1 c5 45. f4 f6 46. h4 Be6 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1998.10.20"]
[Round "3"]
[White "Bosma, Achim"]
[Black "Nebe, Lutz"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "1877"]
[BlackElo "1622"]
[PlyCount "61"]
[EventDate "1998.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. Bg5 e6 5. e3 Be7 6. Bxc4 0-0 7. Nf3 b6 8. 0-0 Bb7 9. Qc2 Nbd7 10. Bd3 h6 11. Bf4 Rc8 12. Ne5 Nxe5 13. Bxe5 Bd6 14. Rad1 Qe7 15. Nb5 a6 16. Na7 Ra8 17. Nc6 Qd7 18. Rc1 Bxe5 19. Nxe5 Qd5 20. Nc6 Bxc6 21. Qxc6 Qxc6 22. Rxc6 Nd5 23. a3 Rfd8 24. Rfc1 Rd7 25. g3 a5 26. Be4 Rc8 27. Bxd5 exd5 28. Rxb6 cxb6 29. Rxc8+ Kh7 30. Rc6 Rb7 31. Rd6 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1998.10.06"]
[Round "2"]
[White "Joel, Egbert"]
[Black "Bosma, Achim"]
[Result "1/2-1/2"]
[ECO "B11"]
[BlackElo "1877"]
[PlyCount "65"]
[EventDate "1998.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 d4 4. Ne2 c5 5. d3 Nc6 6. a3 e5 7. Ng3 Nf6 8. h3 g6 9. b3 Bg7 10. Be2 0-0 11. Bd2 b5 12. Qc1 a5 13. Bh6 Be6 14. Bxg7 Kxg7 15. Ng5 Bd7 16. 0-0 h6 17. Nf3 Rc8 18. Nh2 g5 19. Qd1 Ne7 20. Ng4 Nxg4 21. Bxg4 f5 22. exf5 Nxf5 23. Nxf5+ Bxf5 24. Bxf5 Rxf5 25. Qe2 Qf6 26. Rae1 Re8 27. Qe4 Re7 28. Re2 Rf4 29. Qd5 Rf5 30. Qe4 Qe6 31. Rfe1 Qd7 32. Qg4 a4 33. f4 1/2-1/2

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1998.09.22"]
[Round "1"]
[White "Bosma, Achim"]
[Black "Kunze, Christian"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "1877"]
[BlackElo "1617"]
[PlyCount "79"]
[EventDate "1998.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. e3 Bg7 7. Ne2 Bg4 8. Qc2 Bf5 9. Ng3 h6 10. Nxf5 gxf5 11. Bf4 e6 12. b4 Na6 13. Rb1 c6 14. Be2 Nc7 15. 0-0 h5 16. b5 cxb5 17. cxb5 Nd5 18. Be5 Bxe5 19. dxe5 Rc8 20. Qd2 h4 21. Rfc1 Rxc1+ 22. Rxc1 0-0 23. Bc4 Kh7 24. Rd1 b6 25. Qe2 Kh6 26. g3 Rg8 27. Bxd5 exd5 28. Qd2 Qg5 29. Rc1 Qg4 30. Qxd5 h3 31. Qxf7 Rg7 32. Rc6+ Kh7 33. Qc4 Rd7 34. Rd6 Qd1+ 35. Rxd1 Rxd1+ 36. Qf1 Rxf1+ 37. Kxf1 Kg7 38. f4 exf3 39. Kf2 Kf7 40. Kxf3 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1997.11.18"]
[Round "7"]
[White "Bosma, Achim"]
[Black "Hardt, Bernd"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1880"]
[BlackElo "1932"]
[PlyCount "123"]
[EventDate "1997.09.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Nbd7 10. 0-0-0 Rf8 11. Nd2 c6 12. f3 a5 13. Na4 h6 14. Be3 Ne8 15. c5 Nc7 16. Nc4 Ne6 17. Nab6 Nxb6 18. Nxb6 Rb8 19. Bc4 Nd4 20. Rxd4 exd4 21. Bf4 Be6 22. Bxb8 Rxb8 23. Rd1 Rd8 24. Bxe6 fxe6 25. Nc4 a4 26. e5 Rd5 27. Kd2 Rxc5 28. Kd3 Bxe5 29. Re1 Bc7 30. Rxe6 Kf7 31. Re4 b5 32. Nd2 Be5 33. f4 Bf6 34. Nf3 Rd5 35. b3 c5 36. Re1 a3 37. Rc1 Ke6 38. Re1+ Kf5 39. g3 Kg4 40. Ne5+ Bxe5 41. fxe5 Kf5 42. e6 Rd8 43. e7 Re8 44. b4 c4+ 45. Kxd4 Kf6 46. Re5 Rxe7 47. Rxb5 Re2 48. Rb6+ Kg5 49. h4+ Kf5 50. Kxc4 Rxa2 51. Kb3 Rg2 52. g4+ Rxg4 53. Rb5+ Kf6 54. h5 g5 55. Rb6+ Kg7 56. Rg6+ Kh7 57. b5 Rg3+ 58. Ka2 g4 59. b6 Rh3 60. b7 Rxh5 61. Rb6 g3 62. b8Q 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1997.11.04"]
[Round "6"]
[White "Saam, Armin"]
[Black "Bosma, Achim"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "1809"]
[BlackElo "1880"]
[PlyCount "96"]
[EventDate "1997.09.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nge2 b6 7. a3 Bd6 8. Ng3 Bb7 9. cxd5 exd5 10. Nf5 c5 11. Nb5 Bc7 12. Bd2 Nc6 13. Rc1 c4 14. Nxc7 Qxc7 15. Bb1 Ne7 16. Bb4 Nxf5 17. Bxf8 Nh4 18. g3 Ng2+ 19. Kf1 Nxe3+ 20. fxe3 Rxf8 21. Kg2 Bc8 22. h3 Re8 23. Qf3 Ne4 24. Rcd1 Re6 25. Bxe4 Rxe4 26. Rhf1 Qe7 27. Rde1 Re6 28. Kh2 Rh6 29. g4 Qd7 30. Re2 Rf6 31. Qg2 Qd6+ 32. Kg1 Rg6 33. Ref2 Be6 34. Rf4 h5 35. Kf2 c3 36. Kf3 cxb2 37. Qxb2 hxg4+ 38. hxg4 Rh6 39. Rf2 g5 40. Rf5 Bxf5 41. gxf5 Rh3+ 42. Ke2 f6 43. Qc3 Qd7 44. Qb4 Qe8 45. Qb3 Qc6 46. Kd3 b5 47. Rc2 Qc4+ 48. Rxc4 bxc4+ 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1997.10.28"]
[Round "5"]
[White "Bosma, Achim"]
[Black "Stahl, Michael"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1880"]
[BlackElo "2016"]
[PlyCount "74"]
[EventDate "1997.09.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 a6 4. a4 e5 5. Bg5 d6 6. Nc3 Be7 7. e4 Nxd5 8. Bxe7 Nxe7 9. Bd3 Nbc6 10. Nge2 Nd4 11. 0-0 0-0 12. Nxd4 exd4 13. Nd5 Nxd5 14. cxd5 f5 15. f3 f4 16. Qc2 Bd7 17. Rfe1 Qc7 18. e5 dxe5 19. Bxh7+ Kh8 20. Be4 Rac8 21. g4 g5 22. Kg2 Kg7 23. Qe2 Qd6 24. Rh1 Rh8 25. b3 b5 26. axb5 Bxb5 27. Bd3 e4 28. Qxe4 Rce8 29. Qf5 Re5 30. Bxb5 Rxf5 31. Rxa6 Qb8 32. gxf5 Qxb5 33. Rg6+ Kf7 34. Re1 Qxb3 35. Ree6 Qc2+ 36. Kf1 Qxf5 37. Ra6 Qxg6 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1997.10.14"]
[Round "4"]
[White "Schenderowitsch, Michael"]
[Black "Bosma, Achim"]
[Result "1/2-1/2"]
[ECO "D16"]
[WhiteElo "1979"]
[BlackElo "1880"]
[PlyCount "73"]
[EventDate "1997.09.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. d4 Nf6 4. Nf3 dxc4 5. a4 Nd5 6. e4 Nxc3 7. bxc3 b5 8. Ba3 e6 9. Bxf8 Kxf8 10. Be2 Nd7 11. a5 Nf6 12. Nd2 a6 13. 0-0 c5 14. e5 Nd5 15. Ne4 cxd4 16. Qxd4 Qc7 17. Nd6 Bb7 18. f4 g6 19. Bf3 Rd8 20. Be4 Rg8 21. Kh1 f5 22. Bf3 Ba8 23. Bxd5 Bxd5 24. Qb6 Qb8 25. Qxa6 Qa8 26. Qxa8 Rxa8 27. Nxb5 Rg7 28. a6 Bc6 29. Nd4 Bd5 30. Rfb1 g5 31. fxg5 Rxg5 32. Ra2 f4 33. Nf3 Rg7 34. h4 h6 35. Kh2 Ke8 36. Nd4 Rxa6 37. Rxa6 1/2-1/2

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1997.09.23"]
[Round "2"]
[White "Bosma, Achim"]
[Black "Rosenberger, Frank"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1880"]
[BlackElo "2226"]
[PlyCount "86"]
[EventDate "1997.09.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Bf5 6. Nf3 Nf6 7. g3 Qb6 8. Qb3 Qxb3 9. axb3 Nbd7 10. Bg2 h6 11. h4 Nh5 12. Bc1 Bd6 13. 0-0 0-0 14. Nd2 Nhf6 15. e4 dxe4 16. Ndxe4 Nxe4 17. Bxe4 Bxe4 18. Nxe4 Bb4 19. Be3 Rfe8 20. Nc5 Bxc5 21. dxc5 Nf6 22. Rfe1 Nd5 23. Bd2 a6 24. Ba5 f5 25. Rad1 Kf7 26. Kf1 h5 27. Re2 Rxe2 28. Kxe2 Re8+ 29. Kd3 Re4 30. Re1 Nf6 31. f3 Rxe1 32. Bxe1 Nd7 33. Bf2 Ke6 34. b4 Ne5+ 35. Ke3 Nc4+ 36. Kf4 g6 37. Kg5 Kf7 38. Bd4 Nd2 39. Kf4 Ke6 40. Bc3 Nc4 41. Kg5 Kf7 42. Kf4 Ke6 43. Kg5 Kf7 1/2-1/2

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1997.09.16"]
[Round "1"]
[White "Kueppers, Thorsten"]
[Black "Bosma, Achim"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1551"]
[BlackElo "1880"]
[PlyCount "64"]
[EventDate "1997.09.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. Nc3 d4 5. Qa4+ Nc6 6. Bb5 dxc3 7. Bxc6+ bxc6 8. Qxc6+ Bd7 9. Qxc3 Nf6 10. d3 e6 11. Nf3 a5 12. a3 Rc8 13. Qe5 Rc5 14. Qg3 Bb5 15. 0-0 Bxd3 16. Rd1 Nxe4 17. Qf4 Rf5 18. Qe3 Nxf2 19. Qxf2 e5 20. Qe3 e4 21. Qe1 Bc5+ 22. Be3 Bxe3+ 23. Qxe3 0-0 24. Nd2 Rd5 25. Nb3 f5 26. Rac1 f4 27. Qa7 f3 28. gxf3 exf3 29. Rd2 Qg5+ 30. Kf2 Qg2+ 31. Ke3 Re8+ 32. Kf4 Rf5# 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1995.??.??"]
[Round "?"]
[White "Bosma, Achim"]
[Black "Kertesz, Alfred"]
[Result "0-1"]
[ECO "A56"]
[BlackElo "2350"]
[PlyCount "46"]
[EventDate "1995.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 a6 4. Nc3 b5 5. f3 b4 6. Na4 d6 7. e4 e5 8. Bg5 Be7 9. Bd3 Nxd5 10. Bxe7 Nxe7 11. f4 Nbc6 12. Qd2 exf4 13. Nf3 Ng6 14. Rd1 Bg4 15. Be2 Bxf3 16. Bxf3 Nd4 17. 0-0 Ra7 18. Bh5 Qh4 19. Bf3 Ne5 20. Nb6 g5 21. Nd5 g4 22. Bxg4 Nxg4 23. h3 f3 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1995.??.??"]
[Round "3"]
[White "Bosma, Achim"]
[Black "Stahl, Michael"]
[Result "0-1"]
[ECO "A57"]
[PlyCount "64"]
[EventDate "1995.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 axb5 6. e4 Qa5+ 7. Bd2 b4 8. Na3 d6 9. Bb5+ Nbd7 10. Qe2 Qc7 11. Nc4 Rb8 12. a4 bxa3 13. Nxa3 g6 14. Bc3 Bg7 15. Nh3 0-0 16. 0-0 Nh5 17. g4 Bxc3 18. bxc3 Ne5 19. c4 Ng7 20. Qe3 f6 21. Nf2 Bd7 22. Bxd7 Qxd7 23. Nd3 Qa4 24. Nxe5 fxe5 25. Qd3 Rb3 26. Qc2 Qb4 27. Rab1 Rxb1 28. Nxb1 Rb8 29. Nd2 Qa3 30. Kf2 Rb2 31. Qc1 Qa2 32. Rd1 Rc2 0-1

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1995.??.??"]
[Round "6"]
[White "Bosma, Achim"]
[Black "Waclawski, Klaus"]
[Result "1-0"]
[ECO "A57"]
[PlyCount "57"]
[EventDate "1995.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 g6 6. e4 d6 7. bxa6 Bg7 8. Bb5+ Nbd7 9. Nc3 0-0 10. Nge2 Bxa6 11. Bxa6 Rxa6 12. 0-0 Qa8 13. Be3 Rb8 14. Qd2 Ne5 15. b3 Rxb3 16. Qc1 Rb4 17. Bh6 Bh8 18. h3 Qa7 19. Be3 Qb7 20. Rb1 Rab6 21. Rxb4 Rxb4 22. Qe1 Nc4 23. Bc1 Nd7 24. f4 Bd4+ 25. Nxd4 cxd4 26. Qh4 Nc5 27. f5 Ne5 28. f6 e6 29. Qh6 1-0

[Event "Koblenz-ch"]
[Site "Koblenz"]
[Date "1995.??.??"]
[Round "5"]
[White "Graw, Rolf"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "B14"]
[BlackElo "1820"]
[PlyCount "71"]
[EventDate "1995.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qf3 Bg4 7. Qf4 h5 8. cxd5 Bh6 9. Qe5 Bxc1 10. Rxc1 0-0 11. h3 Nbd7 12. Qg5 Bf5 13. g4 Nh7 14. Qh6 Ndf6 15. gxf5 Nxd5 16. fxg6 fxg6 17. Qxg6+ Kh8 18. Qxh5 Ndf6 19. Qe5 Qb6 20. Rc2 Rad8 21. Nf3 Rg8 22. Bd3 Rg7 23. h4 Ng4 24. Qe2 e5 25. dxe5 Nf8 26. Bf5 Qc6 27. Bxg4 Rxg4 28. Rg1 Qg6 29. Rxg4 Qxg4 30. Rd2 Re8 31. Rd4 Qg6 32. Qe4 Qg2 33. Ke2 Ng6 34. Qg4 Qxg4 35. Rxg4 Nxe5 36. Re4 1-0

[Event "Koblenz op"]
[Site "Koblenz"]
[Date "1992.??.??"]
[Round "3"]
[White "Bosma, Achim"]
[Black "Matriciani, Ruediger"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "50"]
[EventDate "1992.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. Nc3 Bc5 7. d3 Qf6 8. Be3 Bb4 9. a3 Bxc3 10. bxc3 Ne7 11. h3 Bxf3 12. Qxf3 Qxf3 13. gxf3 Ng6 14. Kh2 f6 15. Rfb1 b6 16. a4 a5 17. Kg3 Kd7 18. c4 c5 19. Rd1 Ke7 20. Rd2 Rad8 21. Rg1 Rd7 22. Rdd1 Kf7 23. Rg2 Nf8 24. Rdg1 g5 25. Kh2 Ne6 1/2-1/2

[Event "Koblenz op"]
[Site "Koblenz"]
[Date "1992.??.??"]
[Round "1"]
[White "Bosma, Achim"]
[Black "Mechenich"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "53"]
[EventDate "1992.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Bd6 8. c4 Be6 9. Re1 Nf6 10. cxd5 Nxd5 11. Bg5 Qd7 12. a3 0-0 13. Ne5 Nxe5 14. dxe5 Be7 15. Bxe7 Nxe7 16. Qc2 Bf5 17. Bxf5 Nxf5 18. Nc3 Rfd8 19. Ne4 Qe7 20. Nf6+ gxf6 21. Qxf5 Qc5 22. Re3 Re8 23. Qg4+ Kh8 24. Qh4 Rxe5 25. Qxf6+ Kg8 26. Rxe5 Qd4 27. Re8+ 1-0

[Event "Koblenz op"]
[Site "Koblenz"]
[Date "1992.??.??"]
[Round "?"]
[White "Bosma, Achim"]
[Black "Niermann, Rainer"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "64"]
[EventDate "1992.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Nc3 c6 6. Bd3 Nf6 7. 0-0 0-0 8. Bg5 Bg4 9. h3 Bh5 10. Re1 Nbd7 11. g4 Bg6 12. Ne5 Qc7 13. Nxg6 fxg6 14. Ne2 Ne4 15. Bxe4 dxe4 16. Bh4 Rf3 17. Bg3 e3 18. Kg2 Raf8 19. Nf4 Bxf4 20. Qxf3 Bxg3 21. fxg3 Rxf3 22. Kxf3 Qb6 23. Rxe3 Qxd4 24. Re8+ Kf7 25. Rae1 g5 26. R1e7+ Kg6 27. Re6+ Nf6 28. c3 Qc4 29. R8e7 Qf1+ 30. Ke3 Qxh3 31. Kf3 Qxg4+ 32. Kg2 h5 0-1

[Event "Koblenz op"]
[Site "Koblenz"]
[Date "1992.??.??"]
[Round "5"]
[White "Schade, Gunnar"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "B16"]
[PlyCount "65"]
[EventDate "1992.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 e6 8. Bd3 Bg6 9. Be3 Nd7 10. Bxg6 hxg6 11. Qc2 Qc7 12. 0-0-0 0-0-0 13. Kb1 Nb6 14. Rhe1 Nc4 15. Qa4 Nxe3 16. Rxe3 Rh5 17. c4 Ra5 18. Qc2 Bh6 19. Rc3 Rf5 20. b4 Kb8 21. Ra3 Bf8 22. Qa4 a6 23. Rc1 Qe7 24. Rb3 Qd7 25. Qa3 e5 26. dxe5 fxe5 27. g4 Rxf3 28. Rxf3 Bg7 29. b5 e4 30. Rb3 cxb5 31. cxb5 axb5 32. Qc5 Qd4 33. Qc7+ 1-0

[Event "NED Open-ch08 Reinbouw"]
[Site "Velp"]
[Date "1977.08.05"]
[Round "8"]
[White "Van der Sterren, Paul"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2375"]
[PlyCount "59"]
[EventDate "1977.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Qg4 Ne7 8. Nb5 Bc7 9. Qxg7 Rf8 10. Bg5 Qd7 11. Nf3 Nf5 12. Qxh7 Nc6 13. Bf6 Bd8 14. Bxd8 Qxd8 15. g4 a6 16. gxf5 axb5 17. Bxb5 Qb6 18. a4 Bd7 19. Rb1 0-0-0 20. f6 Qc7 21. Bxc6 Qxc6 22. b5 Qc3+ 23. Ke2 Qc4+ 24. Qd3 Qxa4 25. Nxd4 Kb8 26. Ra1 Qb4 27. Rhb1 Qc5 28. b6 Rh8 29. Qa3 Qxa3 30. Rxa3 1-0

[Event "NED Open-ch08 Reinbouw"]
[Site "Velp"]
[Date "1977.08.03"]
[Round "6"]
[White "Nemet, Ivan"]
[Black "Bosma, Achim"]
[Result "1-0"]
[ECO "E52"]
[WhiteElo "2455"]
[PlyCount "50"]
[EventDate "1977.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 0-0 6. Bd3 b6 7. 0-0 Bb7 8. cxd5 exd5 9. Bd2 Bd6 10. Ne5 Nbd7 11. f4 c5 12. Qf3 Re8 13. g4 Ne4 14. Qh3 Nf8 15. Nxe4 dxe4 16. Nxf7 Kxf7 17. Bc4+ Ke7 18. dxc5 bxc5 19. Rad1 a5 20. Bc3 Ba6 21. Qh4+ Kd7 22. Rxd6+ Kxd6 23. Rd1+ Kc6 24. Rxd8 Rexd8 25. Bxa6 Rd1+ 1-0

[Event "NED Open-ch08 Reinbouw"]
[Site "Velp"]
[Date "1977.08.01"]
[Round "5"]
[White "Bosma, Achim"]
[Black "Sorensen, Henrik"]
[Result "1/2-1/2"]
[ECO "A21"]
[PlyCount "66"]
[EventDate "1977.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 f5 3. e3 Nf6 4. d4 e4 5. Nge2 Be7 6. Nf4 0-0 7. Be2 c6 8. Qb3 d6 9. Bd2 Kh8 10. h4 Na6 11. h5 Nc7 12. d5 c5 13. a4 Rb8 14. Nb5 a6 15. Nxc7 Qxc7 16. a5 b5 17. axb6 Qxb6 18. Qxb6 Rxb6 19. Bc3 Kg8 20. Rh3 Rf7 21. Bd1 Bd7 22. Kd2 Ng4 23. Bxg4 fxg4 24. Rhh1 Bf6 25. Ra3 Bxc3+ 26. Kxc3 Bc8 27. b3 Rfb7 28. Rb1 Kf7 29. g3 Kf6 30. Ng2 Bd7 31. Nf4 Kg5 32. Kc2 h6 33. Ne6+ Kf5 1/2-1/2

[Event "NED Open-ch08 Reinbouw"]
[Site "Velp"]
[Date "1977.07.30"]
[Round "3"]
[White "Bosma, Achim"]
[Black "Wakker, Peter"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "53"]
[EventDate "1977.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b4 Bg7 4. Bb2 0-0 5. e3 d6 6. Be2 e5 7. 0-0 Ne8 8. c5 e4 9. Nd4 d5 10. f4 exf3 11. Bxf3 c6 12. a4 Nd7 13. Qc2 Ne5 14. b5 Qc7 15. d3 Bg4 16. Nd2 Nf6 17. Rae1 Rfe8 18. e4 Rad8 19. exd5 Nxf3+ 20. gxf3 Bh3 21. d6 Qd7 22. Rxe8+ Rxe8 23. Rd1 Re5 24. Kf2 Ng4+ 25. fxg4 Qxg4 26. Ne4 Bh6 27. Nf6+ 1-0

