[Event "Ruhrgebiet Verbandsbezirksliga Gr 1"]
[Site "Ruhrgebiet"]
[Date "2019.03.03"]
[Round "7.7"]
[White "Potratz, Manfred"]
[Black "Lohmann, Lukas"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1674"]
[BlackElo "1482"]
[PlyCount "70"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Werl SC 1981 II"]
[BlackTeam "Hamm SG Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. f4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. d4 Nh6 8. c3 Nf5 9. 0-0 Rc8 10. g4 Nh4 11. Be3 b6 12. Nbd2 Be7 13. Nxh4 Bxh4 14. Nf3 Bb5 15. g5 cxd4 16. Bxd4 h6 17. Nxh4 hxg5 18. Ng2 Bxf1 19. Qxf1 gxf4 20. Qxf4 Rh5 21. Rf1 Qe7 22. Qg4 Rg5 23. Qe2 Kd7 24. Bf2 Rh8 25. Bg3 Qc5+ 26. Qe3 Qxe3+ 27. Nxe3 Ke7 28. Nc2 a6 29. Nb4 a5 30. Nc6+ Kd7 31. Nd4 Ke7 32. Nb5 f6 33. exf6+ gxf6 34. Kg2 e5 35. Rd1 f5 1/2-1/2

[Event "Ruhrgebiet Verbandsbezirksliga Gr 1"]
[Site "Ruhrgebiet"]
[Date "2018.10.28"]
[Round "2.7"]
[White "Potratz, Manfred"]
[Black "Grundmann, Wolfgang Udo"]
[Result "1/2-1/2"]
[ECO "C30"]
[WhiteElo "1674"]
[BlackElo "1649"]
[PlyCount "133"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Werl SC 1981 II"]
[BlackTeam "Kamen SV III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. f4 f6 3. Nf3 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb6 7. Bc4 Bg4 8. 0-0 Nc6 9. Be3 Qe7 10. Nc3 Nh6 11. h3 Bh5 12. Bb5 0-0 13. Bxc6 bxc6 14. Qd3 Rae8 15. g4 Bf7 16. Rae1 Kh8 17. f5 Ng8 18. Bf2 Ba5 19. a3 Bxc3 20. Qxc3 Qd7 21. e5 dxe5 22. dxe5 Bd5 23. e6 Qd6 24. Nd2 Ne7 25. Rd1 Rb8 26. Bc5 Qd8 27. b4 Re8 28. Nb3 Nc8 29. Bf2 Nd6 30. Nc5 Re7 31. Bh4 Ne8 32. g5 fxg5 33. Bxg5 Nf6 34. Kh2 Qd6+ 35. Bf4 Qd8 36. Be5 Qf8 37. Bxf6 gxf6 38. Nd7 Rg7 39. Rg1 Qd6+ 40. Rg3 Rbg8 41. Rdg1 Rxg3 42. Rxg3 Rxg3 43. Qxg3 Qe7 44. Qxc7 h5 45. Qb8+ Kg7 46. Qf4 Kh7 47. Qg3 Qg7 48. Nc5 Qh6 49. Qf2 Qc1 50. e7 Qh1+ 51. Kg3 Bf7 52. Ne6 Qd5 53. Kh2 Qd6+ 54. Qg3 Qd2+ 55. Kg1 Qc1+ 56. Kg2 Qc2+ 57. Qf2 Qe4+ 58. Qf3 Qc2+ 59. Kg3 Qd2 60. Qe4 Qd6+ 61. Kg2 Qd2+ 62. Kf1 Qd1+ 63. Kf2 Qd2+ 64. Qe2 Qd6 65. Kg1 Qg3+ 66. Qg2 Qe3+ 67. Kh2 1/2-1/2

[Event "Ruhrgebiet Verbandsbezirksliga Gr 1"]
[Site "Ruhrgebiet"]
[Date "2018.09.30"]
[Round "1.7"]
[White "Hoffmann, Eckhard"]
[Black "Potratz, Manfred"]
[Result "1/2-1/2"]
[ECO "C62"]
[WhiteElo "1407"]
[BlackElo "1674"]
[PlyCount "117"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Unna SV II"]
[BlackTeam "Werl SC 1981 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 4. d4 exd4 5. Nxd4 Bd7 6. Bb5 Nf6 7. Bg5 Be7 8. 0-0 0-0 9. Nxc6 bxc6 10. Bd3 Ng4 11. Bxe7 Qxe7 12. h3 Ne5 13. f4 Nxd3 14. cxd3 f5 15. Re1 Qf7 16. e5 Rab8 17. b3 Qg6 18. Qf3 d5 19. d4 Be6 20. Rac1 Qe8 21. Na4 Rb4 22. Qc3 a5 23. Nc5 Bc8 24. Nd3 Rb6 25. Qxa5 Qg6 26. Re3 Qh6 27. Qe1 Ba6 28. Qd2 Bxd3 29. Rxd3 Ra8 30. a4 Rab8 31. Rcc3 Qe6 32. a5 Rb5 33. Qc2 Qh6 34. Rf3 Qh4 35. Qxf5 Qe1+ 36. Kh2 Rxa5 37. Rxc6 Ra1 38. Qe6+ Kh8 39. Rxc7 h6 40. Qg6 Rg8 41. f5 Qg1+ 42. Kg3 Qxd4 43. Re7 Qe4 44. Re8 Qe1+ 45. Kg4 Qe4+ 46. Kh5 Ra8 47. Rxa8 Rxa8 48. e6 Rf8 49. Qg4 Qe5 50. Qg6 d4 51. Qg4 Rf6 52. e7 Qxe7 53. Qxd4 Qf7+ 54. Kg4 h5+ 55. Kg5 Qe7 56. Kf4 Rd6 57. Qc4 Qh4+ 58. Ke5 Qf6+ 59. Ke4 1/2-1/2

[Event "Ruhrgebiet Bezirksliga 16/17"]
[Site "Ruhrgebiet"]
[Date "2017.04.23"]
[Round "11.5"]
[White "Potratz, Manfred"]
[Black "Rosentreter, Burkhard"]
[Result "1/2-1/2"]
[ECO "C30"]
[WhiteElo "1700"]
[BlackElo "1688"]
[PlyCount "43"]
[EventDate "2016.08.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Wickede SK"]
[BlackTeam "Hamm SV II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. f4 Nf6 3. Nc3 e5 4. Nf3 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. d3 exf4 8. Bxf4 Be7 9. 0-0 0-0 10. Qd2 Qd7 11. Nd4 b6 12. Nf5 d5 13. Nxe7+ Qxe7 14. e5 Nh5 15. d4 Nxf4 16. Qxf4 Qb4 17. Nd1 Bd7 18. c3 Qe7 19. Ne3 c6 20. Rf3 Be6 21. Raf1 Rac8 22. Nf5 1/2-1/2

[Event "Ruhrgebiet Bezirksliga 16/17"]
[Site "Ruhrgebiet"]
[Date "2017.03.05"]
[Round "9.7"]
[White "Potratz, Manfred"]
[Black "Hoeselbarth, Thomas"]
[Result "0-1"]
[ECO "C37"]
[WhiteElo "1700"]
[BlackElo "1525"]
[PlyCount "88"]
[EventDate "2016.08.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Wickede SK"]
[BlackTeam "Werne SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Nc6 5. d4 g4 6. 0-0 gxf3 7. Qxf3 d6 8. Qxf4 Qf6 9. Bxf7+ Kd8 10. c3 Qxf4 11. Bxf4 Bd7 12. Nd2 Bh6 13. Nc4 Bxf4 14. Rxf4 Ke7 15. Ne3 Rf8 16. Raf1 Nh6 17. Nd5+ Kd8 18. Bh5 Rxf4 19. Rxf4 Be8 20. Bf3 Bf7 21. Nf6 Bxa2 22. Rh4 Nf7 23. Rxh7 Rxh7 24. Nxh7 Ke7 25. h4 Ncd8 26. Kf2 Bb1 27. Ke3 d5 28. g4 dxe4 29. Be2 Ne6 30. g5 Nf8 31. h5 Nxh7 32. g6 Nf6 33. gxf7 Kxf7 34. Kf4 Kg7 35. Kg5 Nh7+ 36. Kf4 Kf6 37. c4 b6 38. b4 a5 39. bxa5 bxa5 40. Bd1 Nf8 41. d5 Nd7 42. Ke3 Ke5 43. Ba4 Nf6 44. Bd1 Ba2 0-1

[Event "Ruhrgebiet Bezirksliga 16/17"]
[Site "Ruhrgebiet"]
[Date "2017.02.12"]
[Round "8.7"]
[White "Breuer, Mathias"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1603"]
[BlackElo "1700"]
[PlyCount "69"]
[EventDate "2016.08.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Hamm SG Caissa"]
[BlackTeam "Wickede SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 d5 7. 0-0 0-0 8. c4 c6 9. Re1 f5 10. c5 b6 11. b4 bxc5 12. bxc5 Bf6 13. Qb3 Nxc5 14. Qc3 Ne4 15. Qb3 Qb6 16. Ba3 Qxb3 17. axb3 Rd8 18. Ne5 Bxe5 19. dxe5 Be6 20. f3 Ng5 21. Be7 Nf7 22. Bxd8 Nxd8 23. f4 c5 24. Nd2 Ndc6 25. Rec1 Nd7 26. Bb5 Nd4 27. Bxd7 Bxd7 28. Rxc5 Ne2+ 29. Kf1 Nxf4 30. g3 Ng6 31. Rxd5 Bc6 32. Rc5 Ne7 33. Ra6 Bb7 34. Rd6 a5 35. Rc7 1-0

[Event "Ruhrgebiet Bezirksliga 16/17"]
[Site "Ruhrgebiet"]
[Date "2017.01.22"]
[Round "7.6"]
[White "Akcapinar, Yavuz"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1745"]
[BlackElo "1700"]
[PlyCount "71"]
[EventDate "2016.08.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Luenen Horstmar SC"]
[BlackTeam "Wickede SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d3 d6 6. Bb3 0-0 7. Nbd2 b6 8. 0-0 Bb7 9. Re1 Na5 10. Bc2 c5 11. Nf1 h6 12. Ng3 Bc8 13. h3 Nh7 14. Nf5 Bxf5 15. exf5 Ng5 16. Nh2 Nh7 17. Qf3 Rc8 18. Ba4 Qc7 19. Qg3 Bg5 20. Ng4 Kh8 21. Bxg5 hxg5 22. h4 Qd8 23. hxg5 Qxg5 24. Qf3 Rc7 25. Ne3 Nf6 26. g3 Rd8 27. Kg2 d5 28. Rh1+ Kg8 29. Rh4 e4 30. dxe4 dxe4 31. Qe2 Kf8 32. Rd1 Rxd1 33. Qxd1 Ke7 34. Rh8 Nb7 35. Nd5+ Nxd5 36. Qxd5 1-0

[Event "Ruhrgebiet Bezirksliga 16/17"]
[Site "Ruhrgebiet"]
[Date "2017.01.08"]
[Round "6.6"]
[White "Potratz, Manfred"]
[Black "Zimmer, Sebastian"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1700"]
[BlackElo "1605"]
[PlyCount "36"]
[EventDate "2016.08.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Wickede SK"]
[BlackTeam "Werl SC 1981"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Be2 cxd4 7. cxd4 Nh6 8. Nc3 Nf5 9. Bb5 Bd7 10. Bxc6 bxc6 11. 0-0 c5 12. Na4 Qa5 13. Nxc5 Bxc5 14. dxc5 Qxc5 15. Bd2 0-0 16. Rc1 Qb6 17. Bc3 Rac8 18. Qd2 Bb5 1/2-1/2

[Event "Ruhrgebiet Bezirksliga 16/17"]
[Site "Ruhrgebiet"]
[Date "2016.11.13"]
[Round "4.5"]
[White "Potratz, Manfred"]
[Black "Ittner, Ralf"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1700"]
[BlackElo "1663"]
[PlyCount "176"]
[EventDate "2016.08.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Wickede SK"]
[BlackTeam "Hamm Koenigsspringer II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bc4 Nc6 6. Nf3 h6 7. 0-0 Bc5 8. e5 a6 9. Ne4 Be7 10. Qe2 Nxe5 11. Nxe5 d5 12. Qh5 g6 13. Nxg6 fxg6 14. Qxg6+ Kf8 15. Rd1 Qe8 16. Qg3 dxc4 17. Bf4 Qh5 18. Bd6 Rh7 19. Bxe7+ Rxe7 20. Qxg8+ Kxg8 21. Nf6+ Kf7 22. Nxh5 Bd7 23. Rd6 Rg8 24. f3 Bc6 25. Kf2 Rd7 26. Rxd7+ Bxd7 27. Rc1 Rc8 28. Ng3 Kf6 29. Ne4+ Kf5 30. Ke3 e5 31. Nc3 Ke6 32. Rd1 Rg8 33. Rd2 Bc6 34. Kf2 Rf8 35. Re2 Rf7 36. Ke1 Kf5 37. Ne4 Ke6 38. Kd2 a5 39. Kc3 b5 40. a3 Rg7 41. Ng3 Rf7 42. Rd2 Rf4 43. Ne2 Rf7 44. b3 cxb3 45. Kxb3 Rd7 46. Rxd7 Kxd7 47. Ng3 Ke6 48. Kc3 Be8 49. Ne4 Bc6 50. Nc5+ Kd6 51. Nb3 a4 52. Nd2 Ke6 53. Kb4 Kf5 54. Kc5 Be8 55. Ne4 Kf4 56. Nf6 Bg6 57. Kxb5 Bc2 58. Kc5 Kf5 59. Ng4 Kf4 60. Nxh6 e4 61. fxe4 Bxe4 62. g3+ Kf3 63. Kb4 Bc2 64. Kc3 Bg6 65. g4 Kf4 66. h4 Kg3 67. h5 Be8 68. g5 Bxh5 69. Kb4 Kf4 70. Kxa4 Kxg5 71. Ng8 Bd1+ 72. Kb4 Kf5 73. Ne7+ Ke6 74. Nc6 Kd5 75. Na7 Kd6 76. Nb5+ Kc6 77. Nc3 Bc2 78. Ne2 Bd1 79. Nc1 Kb6 80. Na2 Bc2 81. Kc3 Ba4 82. Nb4 Be8 83. Nd5+ Ka5 84. Kb2 Bf7 85. Nb4 Kb5 86. Nc2 Ka5 87. Nd4 Ka4 88. Nc6 Kb5 1/2-1/2

[Event "Ruhrgebiet Bezirksliga 16/17"]
[Site "Ruhrgebiet"]
[Date "2016.10.09"]
[Round "3.5"]
[White "Romstadt, Dirk"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "1702"]
[BlackElo "1700"]
[PlyCount "103"]
[EventDate "2016.08.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Boenen SV II"]
[BlackTeam "Wickede SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. c4 d5 4. Nc3 c6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Nh5 8. Bg3 Nxg3 9. hxg3 Bg4 10. Qb3 Bxf3 11. gxf3 e6 12. Qxb7 Qc8 13. Qxc8+ Rxc8 14. Bb5 Bg7 15. Rc1 0-0 16. Kd2 Ne7 17. g4 e5 18. dxe5 Bxe5 19. f4 Bg7 20. Rh3 d4 21. exd4 Bxd4 22. Ke2 Bxc3 23. Rhxc3 Rxc3 24. bxc3 Nd5 25. Kf3 Nc7 26. a4 Rb8 27. Bc4 Kf8 28. Rd1 Re8 29. Rh1 Kg7 30. Bxf7 Re7 31. Bc4 Ne8 32. Rd1 Rc7 33. Rd4 Kf8 34. Ke2 Ke7 35. Kd3 Nf6 36. f3 Nd7 37. Kc2 Nc5 38. Bb3 Rd7 39. Rxd7+ Nxd7 40. g5 Kf8 41. Kd2 Nc5 42. Bc2 Ke7 43. f5 gxf5 44. Bxf5 Nxa4 45. Bxh7 Nc5 46. f4 Kf7 47. Bc2 a5 48. Kc1 a4 49. Kb2 Ne6 50. g6+ Kf6 51. f5 Nc5 52. Ka3 1-0

[Event "Ruhrgebiet Bezirksliga 16/17"]
[Site "Ruhrgebiet"]
[Date "2016.09.18"]
[Round "2.5"]
[White "Potratz, Manfred"]
[Black "Volesky, Michael"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1700"]
[BlackElo "1820"]
[PlyCount "59"]
[EventDate "2016.08.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Wickede SK"]
[BlackTeam "Ahlen SV II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. f4 d6 3. Nf3 Nf6 4. d3 Nc6 5. Be2 Be7 6. 0-0 0-0 7. c3 a6 8. Qc2 b5 9. d4 Nd7 10. Be3 Bf6 11. fxe5 dxe5 12. d5 Ne7 13. Nbd2 g6 14. c4 bxc4 15. Nxc4 Bg7 16. Rad1 f5 17. d6 cxd6 18. Nxd6 h6 19. exf5 Nxf5 20. Nxf5 gxf5 21. Bc5 Qc7 22. Bc4+ Kh8 23. Bxf8 Nxf8 24. Bb3 Qxc2 25. Bxc2 Be6 26. b3 Rc8 27. Bb1 Kg8 28. Nh4 f4 29. Nf5 Rc6 30. Ne7+ 1-0

[Event "Ruhrgebiet Bezirksliga 16/17"]
[Site "Ruhrgebiet"]
[Date "2016.08.28"]
[Round "1.7"]
[White "Kilic, Cem"]
[Black "Potratz, Manfred"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "1471"]
[BlackElo "1700"]
[PlyCount "90"]
[EventDate "2016.08.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Luenen Horstmar SC II"]
[BlackTeam "Wickede SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Be7 4. Nge2 0-0 5. 0-0 Nxe4 6. Bxf7+ Rxf7 7. Nxe4 d5 8. N4g3 Nd7 9. d3 Nf6 10. f4 Bc5+ 11. d4 exd4 12. Nxd4 Ng4 13. h3 Nh6 14. c3 Nf5 15. Qd3 c6 16. Nge2 Qf6 17. g4 Nxd4 18. cxd4 Bb6 19. f5 Qe7 20. Bf4 Bd7 21. Kh2 Re8 22. Be5 c5 23. Rae1 cxd4 24. Nf4 Qc5 25. Rc1 Qb5 26. Qxb5 Bxb5 27. Rfe1 Ba5 28. Ne6 Bxe1 29. Rxe1 Rfe7 30. Bxd4 Rc8 31. Kg3 b6 32. g5 Rc4 33. Be5 Re4 34. Rxe4 dxe4 35. Kf4 Ba4 36. Ke3 g6 37. Bf6 Rd7 38. fxg6 hxg6 39. Nf4 Kf7 40. Bd4 Bd1 41. a3 b5 42. h4 Rb7 43. Nd5 a5 44. Nc3 Bc2 45. Nxe4 Re7 0-1

[Event "Moehnesee Cup-A"]
[Site "Moehnesee"]
[Date "2005.08.21"]
[Round "7"]
[White "Jeremias, Bianca"]
[Black "Potratz, Manfred"]
[Result "0-1"]
[ECO "C63"]
[WhiteElo "1869"]
[BlackElo "1983"]
[PlyCount "102"]
[EventDate "2005.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 fxe4 5. Bxc6 bxc6 6. Nxe5 Nf6 7. Qe2 c5 8. c3 cxd4 9. cxd4 Bb4+ 10. Nc3 Bxc3+ 11. bxc3 0-0 12. Ba3 Re8 13. 0-0 d6 14. Nc6 Qd7 15. Qc4+ Kh8 16. Na5 Rb8 17. Rab1 Rb6 18. Rxb6 axb6 19. Nb3 Bb7 20. Ra1 Ra8 21. Bc1 Bd5 22. Qe2 Bxb3 23. Bg5 d5 24. Qb2 Bc4 25. Qb4 Ng8 26. a4 h6 27. Bf4 Ne7 28. Qa3 Bb5 29. Qc1 Rxa4 30. Rxa4 Bxa4 31. Bxh6 gxh6 32. Qxh6+ Kg8 33. Qg5+ Kf7 34. Qh5+ Kf8 35. Qh6+ Kf7 36. Qh7+ Kf6 37. Qh4+ Kg6 38. Qg3+ Kf7 39. Qf4+ Ke8 40. h4 Kd8 41. h5 Qf5 42. Qh4 Be8 43. g4 Qh7 44. h6 Kc8 45. g5 Bg6 46. Qf4 Qg8 47. Qe5 Kd7 48. Kg2 Qe6 49. Qg3 Qf5 50. Qh4 Qf3+ 51. Kf1 e3 0-1

[Event "Moehnesee Cup-A"]
[Site "Moehnesee"]
[Date "2005.08.21"]
[Round "6"]
[White "Potratz, Manfred"]
[Black "Wegener, Dirk1111"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1983"]
[BlackElo "1831"]
[PlyCount "62"]
[EventDate "2005.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. Bc4 d5 5. exd5 Nxd5 6. Qxd4 e6 7. Nf3 Nc6 8. Bb5 Bd7 9. Bxc6 Bxc6 10. 0-0 Qf6 11. Bg5 Qxd4 12. Nxd4 Bd7 13. Nd2 f6 14. Bh4 e5 15. Rfe1 0-0-0 16. N4b3 Nf4 17. Ne4 Nd3 18. Re2 Bc6 19. Nxf6 Be7 20. Ng4 Bxh4 21. g3 Bf6 22. Ne3 Bf3 23. Rd2 h5 24. h3 h4 25. g4 Nf4 26. Kh2 Nd5 27. Ng2 Bg5 28. Ne1 Bxd2 29. Nxd2 e4 30. Nexf3 exf3 31. Nxf3 Rhf8 0-1

[Event "Moehnesee Cup-A"]
[Site "Moehnesee"]
[Date "2005.08.20"]
[Round "4"]
[White "Mueller, Michael"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2234"]
[BlackElo "1983"]
[PlyCount "143"]
[EventDate "2005.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. g3 Bg4 4. Bg2 Nbd7 5. b3 c6 6. Bb2 Qc7 7. 0-0 e5 8. c4 e4 9. Nfd2 d5 10. f3 exf3 11. exf3 Be6 12. Nc3 Be7 13. Rc1 Qa5 14. a3 0-0 15. b4 Qd8 16. c5 h6 17. Qc2 Nh7 18. Rce1 Bf6 19. Ne2 Re8 20. Nf4 Ndf8 21. Re2 Qc7 22. Nxe6 Rxe6 23. Nb3 Rae8 24. Rfe1 Ng5 25. f4 Rxe2 26. Rxe2 Rxe2 27. Qxe2 Nge6 28. b5 Qd7 29. bxc6 bxc6 30. Qa6 Nd8 31. Bf1 Nfe6 32. Bd3 Qb7 33. Qa4 Nxc5 34. dxc5 Bxb2 35. Kg2 Qe7 36. Qa5 Bf6 37. Kf3 Qb7 38. Qa4 Be7 39. f5 Qc7 40. Qd4 f6 41. Qa4 Nf7 42. Kg2 Ne5 43. Be2 a5 44. h4 Qa7 45. Bd1 Bxc5 46. Nxa5 Bb6 47. Nxc6 Qxa4 48. Bxa4 Bc5 49. Nd8 Bxa3 50. Bb3 Nc4 51. g4 g6 52. fxg6 Be7 53. Nc6 Bc5 54. Kh3 Kg7 55. h5 Ne3 56. Nd8 Bf8 57. Ne6+ Kg8 58. Nf4 f5 59. gxf5 Nxf5 60. Nxd5 Kg7 61. Kg4 Nd4 62. Ba2 Nc6 63. Nc7 Kh8 64. Kf5 Nd8 65. Bd5 Bg7 66. Ne8 Ba1 67. Ke4 Bb2 68. Kd3 Be5 69. Kc4 Nb7 70. Bxb7 Kg8 71. Kd5 Bb2 72. Ke6 1-0

[Event "Moehnesee Cup-A"]
[Site "Moehnesee"]
[Date "2005.08.19"]
[Round "3"]
[White "Potratz, Manfred"]
[Black "Schuh, Dirk"]
[Result "0-1"]
[ECO "C38"]
[WhiteElo "1983"]
[BlackElo "2270"]
[PlyCount "58"]
[EventDate "2005.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. d4 h6 6. 0-0 d6 7. c3 Nc6 8. b4 Nf6 9. Nbd2 0-0 10. Bb2 Ng4 11. Qb3 Ne3 12. Rfe1 g4 13. d5 gxf3 14. Nxf3 Ne5 15. Be2 Kh8 16. c4 Rg8 17. Bc1 Nxf3+ 18. Bxf3 Bxa1 19. Bxe3 Be5 20. Bd2 Bg4 21. Re2 Qf6 22. Kf1 Rg7 23. c5 Bd7 24. a4 Rag8 25. b5 dxc5 26. Qc4 b6 27. a5 Bd4 28. e5 Qh4 29. e6 Qxh2 0-1

[Event "Moehnesee Cup-A"]
[Site "Moehnesee"]
[Date "2005.08.19"]
[Round "2"]
[White "Schwarzenberg, Josef"]
[Black "Potratz, Manfred"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "2185"]
[BlackElo "1983"]
[PlyCount "154"]
[EventDate "2005.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 g5 5. Bg3 Bg7 6. Nf3 Nc6 7. Nc3 Ngxe5 8. Nxe5 Nxe5 9. e3 d6 10. Qc2 Be6 11. b3 Qf6 12. Rc1 Nc6 13. a3 Ne7 14. Nb5 0-0 15. Nxc7 Rad8 16. h4 g4 17. Bd3 h6 18. e4 Nc6 19. 0-0 Qd4 20. Rfd1 Qb6 21. Nxe6 fxe6 22. b4 Nd4 23. Qa2 Be5 24. Bxe5 dxe5 25. c5 Qc7 26. Bc4 Qe7 27. h5 Rf6 28. Rd3 Rdf8 29. Rf1 Qe8 30. Qd2 Qxh5 31. Rxd4 exd4 32. Qxd4 Qg6 33. b5 Rf4 34. Bd3 g3 35. fxg3 Rxf1+ 36. Bxf1 Qxg3 37. c6 bxc6 38. bxc6 Qc7 39. Qc4 Rf6 40. Be2 Kg7 41. Qc3 e5 42. Bb5 a6 43. Ba4 Rf4 44. Qg3+ Kf6 45. Qh3 Kg7 46. Qg3+ Kh7 47. Bb3 Rf8 48. Bd5 h5 49. Qg5 Qd6 50. Qxh5+ Kg7 51. Qg5+ Kh7 52. Qh5+ Kg7 53. Qg4+ Kf6 54. Qf5+ Kg7 55. Qd7+ Qxd7 56. cxd7 Kf6 57. Bb7 a5 58. a4 Ke7 59. Bc6 Kd6 60. Bb5 Kc7 61. g3 Rf3 62. Kg2 Re3 63. g4 Rxe4 64. Kf3 Rf4+ 65. Kg3 Rf8 66. g5 e4 67. Kg4 e3 68. g6 Rf2 69. Kg5 e2 70. Bxe2 Rxe2 71. Kf6 Kxd7 72. g7 Rg2 73. Kf7 Rf2+ 74. Kg6 Kc6 75. g8Q Rg2+ 76. Kf7 Rxg8 77. Kxg8 Kc5 0-1

[Event "Moehnesee Cup-A"]
[Site "Moehnesee"]
[Date "2005.08.18"]
[Round "1"]
[White "Potratz, Manfred"]
[Black "Himmel, Hansjoerg"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1983"]
[BlackElo "2228"]
[PlyCount "83"]
[EventDate "2005.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. Bc4 Nc6 5. Nf3 d5 6. exd5 Nxd5 7. Nxd4 e6 8. 0-0 Be7 9. Bd3 Nxd4 10. cxd4 Bd7 11. Nc3 Bc6 12. Be3 0-0 13. Rc1 Nxc3 14. bxc3 Qd5 15. Qg4 Qxa2 16. c4 Qa5 17. f4 f5 18. Qe2 Rf6 19. Ra1 Qd8 20. Rf2 Kh8 21. Re1 Rg6 22. d5 exd5 23. Bxf5 Rf6 24. Bb1 dxc4 25. Rd1 Qf8 26. Qc2 Rh6 27. f5 Rh4 28. Rd4 Rxd4 29. Bxd4 Bf6 30. Qxc4 a6 31. Qc3 Re8 32. Bxf6 Qxf6 33. Qd2 h6 34. Bd3 Rd8 35. Qc2 Qd4 36. f6 gxf6 37. Bf1 Rg8 38. Qf5 Qh4 39. Bd3 Rg7 40. Qc8+ Rg8 41. Qf5 Rg7 42. Qc8+ 1/2-1/2

[Event "Moehnesee Cup"]
[Site "Moehnesee"]
[Date "2002.08.30"]
[Round "1"]
[White "Behle, Karl Heinz"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2023"]
[BlackElo "1768"]
[PlyCount "81"]
[EventDate "2002.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 090 Extra"]
[Source "ChessBase"]
[SourceDate "2002.11.07"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Be2 Bb6 8. 0-0 0-0 9. f4 d6 10. Na3 Nxd4 11. cxd4 Nc6 12. Nc2 Qe7 13. Qd3 a5 14. a3 Bd7 15. Rad1 Na7 16. e5 d5 17. f5 f6 18. e6 Be8 19. Kh1 Rc8 20. Qb3 Bc6 21. Rf4 Rcd8 22. Rg4 Kh8 23. Rh4 Be8 24. Bc1 g6 25. Qh3 Rg8 26. Ne3 g5 27. Rh6 Nc6 28. Ng4 Rf8 29. Be3 Qg7 30. Qf3 Ne7 31. h4 Ng8 32. hxg5 fxg5 33. f6 Nxf6 34. Rxf6 Ba4 35. Rf1 Rg8 36. Ne5 Be8 37. Bd3 c6 38. Kg1 Bc7 39. Rf7 Bxe5 40. Rxg7 Bxg7 41. Qh3 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2001.??.??"]
[Round "5"]
[White "Dymek, Hans Peter"]
[Black "Potratz, Manfred"]
[Result "1/2-1/2"]
[ECO "A52"]
[PlyCount "120"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 d6 5. h3 Nxe5 6. Nxe5 dxe5 7. Qxd8+ Kxd8 8. Nc3 Bb4 9. Bd2 Nc6 10. 0-0-0 Bxc3 11. Bxc3+ Ke7 12. g4 Be6 13. b3 Rad8 14. e3 Rxd1+ 15. Kxd1 f6 16. Bg2 Bd7 17. b4 Nd8 18. b5 c6 19. a4 Ne6 20. Bb4+ c5 21. Bc3 b6 22. Kc2 Ng5 23. f4 Nf7 24. Rd1 Nd6 25. Kb3 e4 26. f5 Be8 27. a5 Bf7 28. Bf1 Nxb5 29. axb6 axb6 30. Ra1 Rd8 31. Kc2 Nd6 32. Ra4 Rb8 33. Be1 Be8 34. Ra6 Rb7 35. Bg3 Nc8 36. Bg2 Bc6 37. Ra1 Ra7 38. Rxa7+ Nxa7 39. Bb8 Nc8 40. Kc3 Kd7 41. Bg3 Ne7 42. Bf1 g6 43. fxg6 hxg6 44. h4 Kc8 45. h5 gxh5 46. gxh5 Be8 47. h6 Bg6 48. Bf4 Kd7 49. Be2 Ke6 50. Bd1 Kf7 51. Bc7 Nc8 52. Ba4 Bf5 53. Bc6 Ne7 54. Bd5+ Nxd5+ 55. cxd5 b5 56. Bb6 c4 57. Kb4 Bd7 58. Bd4 Kg6 59. h7 Kxh7 60. Bxf6 Kg6 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2001.??.??"]
[Round "9"]
[White "Heckoetter, Christian"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "134"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 Nbd7 4. Bd3 e6 5. Nbd2 c5 6. c3 Be7 7. 0-0 0-0 8. Qe2 Re8 9. e4 dxe4 10. Nxe4 cxd4 11. cxd4 Nxe4 12. Bxe4 Bf6 13. Bf4 Nb6 14. Rfd1 Nd5 15. Bg3 Bd7 16. Ne5 Rc8 17. Bxh7+ Kf8 18. Bd3 Ba4 19. Rdc1 Rxc1+ 20. Rxc1 Bg5 21. Re1 Nf6 22. b3 Bd7 23. h4 Bh6 24. Nxd7+ Nxd7 25. Qc2 Nf6 26. Rd1 Kg8 27. Qc7 Qxc7 28. Bxc7 Rc8 29. Ba5 Rc1 30. Rxc1 Bxc1 31. Bc3 Nd5 32. Ba1 Ba3 33. Be4 Nb4 34. Bxb7 Nxa2 35. d5 Nc1 36. Be5 f6 37. Bb8 exd5 38. Bxd5+ Kf8 39. Bxa7 Ne2+ 40. Kf1 Nf4 41. Bc4 Ng6 42. g3 Ke7 43. f4 Nf8 44. Ke2 Nd7 45. Bd4 Bb4 46. g4 Bd6 47. Kf3 Nf8 48. g5 Ng6 49. h5 Nxf4 50. gxf6+ gxf6 51. Kg4 Ne6 52. Bxe6 Kxe6 53. Bc3 Bf8 54. Bd2 Be7 55. b4 f5+ 56. Kf3 Kf6 57. b5 Bd8 58. Kf4 Bc7+ 59. Kf3 Bd8 60. Bf4 Bb6 61. Ke2 Ke6 62. Be3 Bc7 63. b6 Bb8 64. h6 Kf6 65. Kf3 Bd6 66. Bf4 Bc5 67. b7 Ba7 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2001.??.??"]
[Round "1"]
[White "Juntermanns, Hans"]
[Black "Potratz, Manfred"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "74"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 Bg4 4. Be2 Nbd7 5. Nc3 e6 6. a3 c6 7. Bd2 Bd6 8. h3 Bh5 9. Bd3 Rc8 10. g4 Bg6 11. Bxg6 hxg6 12. Ng1 e5 13. Qe2 Qe7 14. 0-0-0 e4 15. f3 Nb6 16. Na2 Nc4 17. Bb4 Bxb4 18. axb4 a5 19. c3 axb4 20. Nxb4 Ra8 21. Nc2 Ra2 22. b3 Na3 23. Rd2 Nb5 24. c4 Nc3 25. Qe1 exf3 26. Nxf3 Nfe4 27. Rdh2 Kd7 28. Ne5+ Kc7 29. Nd3 Rha8 30. Qf1 Ra1+ 31. Nxa1 Rxa1+ 32. Kb2 Qa3+ 33. Kc2 Rxf1 34. Rxf1 f6 35. c5 Qa2+ 36. Nb2 Nb5 37. Rb1 Na3+ 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2001.??.??"]
[Round "8"]
[White "Potratz, Manfred"]
[Black "Benzin, Saddam"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "138"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Bc4 d5 3. exd5 Nxd5 4. d3 e6 5. Nf3 Be7 6. 0-0 0-0 7. Bd2 b6 8. Bb3 Bb7 9. Re1 Nd7 10. c3 c5 11. Bc2 Qc7 12. d4 N7f6 13. Bg5 cxd4 14. Nxd4 Rfd8 15. Qe2 Nf4 16. Bxf4 Qxf4 17. Nd2 Rac8 18. Nf1 Bc5 19. Rad1 e5 20. g3 Qg4 21. Bf5 Qxe2 22. Nxe2 Rb8 23. Nc1 g6 24. Bh3 Ne4 25. Ne3 Nd2 26. Bg2 Nf3+ 27. Bxf3 Bxf3 28. Rxd8+ Rxd8 29. Nb3 Bxe3 30. fxe3 a5 31. Kf2 Bc6 32. Re2 Rd1 33. Re1 Rd7 34. Re2 a4 35. Nd2 b5 36. Nf3 f6 37. Rd2 Kf7 38. Rxd7+ Bxd7 39. e4 Be6 40. a3 Bc4 41. Ke3 Ke6 42. Ne1 f5 43. Nc2 Bf1 44. Nb4 Bg2 45. exf5+ gxf5 46. Nd3 Kd5 47. Nb4+ Kc4 48. Nd3 Kb3 49. Nxe5 Kxb2 50. c4 bxc4 51. Nxc4+ Kb3 52. Kd4 Bh3 53. Kc5 Bg4 54. Kd4 Be2 55. Nd2+ Kxa3 56. Kc3 Bd1 57. Nc4+ Ka2 58. Kb4 Bb3 59. Na3 Kb2 60. Nb5 Bc2 61. Nd6 Bd3 62. Kxa4 Kc3 63. Ne8 Kd4 64. Nf6 h6 65. Ng8 h5 66. Nf6 Be2 67. Kb4 Ke3 68. Kc3 Kf2 69. Kd4 Kg2 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2001.??.??"]
[Round "4"]
[White "Potratz, Manfred"]
[Black "Derlich, Andreas"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "131"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. Bc4 Nf6 3. d3 c6 4. Ne2 a5 5. a4 g6 6. 0-0 Bg7 7. h3 0-0 8. Nd2 Na6 9. c3 Nc7 10. Bb3 Be6 11. Bc2 Nfe8 12. Ng3 d5 13. d4 dxe4 14. Ndxe4 Nd6 15. Nc5 Bc4 16. Re1 b6 17. Nd3 Bxd3 18. Bxd3 e6 19. b3 Nd5 20. Bd2 Rc8 21. Rc1 c5 22. c4 Nb4 23. Bxb4 axb4 24. dxc5 bxc5 25. Qf3 h5 26. Rcd1 Qc7 27. Ne2 e5 28. Ng3 Rfd8 29. Be4 h4 30. Nf1 Qe7 31. Ne3 Nxe4 32. Qxe4 f5 33. Nd5 Qg5 34. Qe2 Re8 35. Nb6 Rc6 36. a5 e4 37. Qe3 f4 38. Qd2 Bd4 39. Kh1 e3 40. Qe2 Qf5 41. Qf3 Rce6 42. fxe3 Rxe3 43. Rxe3 fxe3 44. Qe2 Qf7 45. Qg4 Qf5 46. Qe2 Rf8 47. a6 Qe6 48. Nd5 Qd6 49. Nxb4 Qb6 50. Nd5 Qxb3 51. Qg4 Qc2 52. Re1 Kg7 53. Nf4 Re8 54. Ne6+ Kg8 55. Nxd4 cxd4 56. Qxd4 Qe4 57. Qc3 Rc8 58. c5 e2 59. Qb3+ Kf8 60. Qb5 Qf5 61. Qxe2 Qxc5 62. Rf1+ Kg7 63. Qb2+ Kh6 64. Qf6 Qh5 65. Rf4 Qd1+ 66. Kh2 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2001.??.??"]
[Round "2"]
[White "Potratz, Manfred"]
[Black "Nachbar, Benjamin"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "118"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. e5 h5 4. d4 g6 5. Bd3 Nh6 6. Nf3 Bf5 7. Nc3 e6 8. Ne2 Be7 9. Be3 Qb6 10. Rb1 Qa5+ 11. c3 Bxd3 12. Qxd3 Qxa2 13. 0-0 Qa6 14. Qc2 b5 15. Ng5 Nf5 16. Bf2 Qb7 17. Ng3 Nxg3 18. Bxg3 Bxg5 19. fxg5 Qe7 20. h4 a5 21. Rf3 Na6 22. b3 0-0 23. Rbf1 Kg7 24. Be1 Nc7 25. Rf6 Ne8 26. Qd1 Kh7 27. R6f4 Ng7 28. g4 hxg4 29. Qxg4 Nf5 30. Bd2 Rh8 31. h5 Kg7 32. h6+ Kh7 33. R4f2 a4 34. b4 a3 35. Ra1 Ra4 36. Ra2 Rha8 37. Qf4 Qb7 38. Rf1 R4a7 39. Rfa1 Qa6 40. Bc1 Qa4 41. Qd2 Qb3 42. Kf2 Ra4 43. Qd3 R8a7 44. Ke2 Ne7 45. Qf3 Qc4+ 46. Qd3 Qb3 47. Qf3 Nf5 48. Qd3 R7a6 49. Kf2 Ra8 50. Ke2 R8a7 51. Kd2 Qc4 52. Qxc4 bxc4 53. Rxa3 Rxa3 54. Rxa3 Rxa3 55. Bxa3 Ng3 56. Kc2 Ne4 57. Bc1 Kg8 58. Bf4 Nf2 59. Bd2 Ne4 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2001.??.??"]
[Round "6"]
[White "Potratz, Manfred"]
[Black "Van Orsouw, Niclas"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "65"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bc4 Qc7 6. Qe2 Bb4 7. Bd2 Nc6 8. Nf3 a6 9. 0-0 b5 10. Bd3 Nge7 11. Rac1 Bd6 12. Nd5 exd5 13. exd5 h6 14. dxc6 dxc6 15. Be4 0-0 16. g3 Bb7 17. Nd4 Rac8 18. Qg4 Be5 19. Nf5 Nxf5 20. Bxf5 Rcd8 21. Bc3 Bxc3 22. Rxc3 Qd6 23. Be4 f5 24. Bxf5 Rf6 25. Rd3 Qe7 26. Re3 Qd6 27. Rfe1 Rdf8 28. Re7 g5 29. Be6+ Kh8 30. Rxb7 Rxf2 31. Qe4 Rf1+ 32. Rxf1 Qc5+ 33. Kg2 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2001.??.??"]
[Round "7"]
[White "Stefaniak, Christian"]
[Black "Potratz, Manfred"]
[Result "1/2-1/2"]
[ECO "C27"]
[PlyCount "42"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bc5 4. Bc4 0-0 5. 0-0 d6 6. d4 exd4 7. Nxd4 Bg4 8. Qd3 Bxd4 9. Qxd4 Nc6 10. Qe3 Ne5 11. Bb3 Be6 12. Nd5 c6 13. Nf4 Bxb3 14. axb3 Re8 15. Rd1 Qe7 16. f3 a6 17. Qf2 Rad8 18. Be3 Nfd7 19. Rd2 Ng6 20. c4 Nxf4 21. Bxf4 Nc5 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2001.??.??"]
[Round "3"]
[White "Yanik, Mehmet"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2099"]
[PlyCount "85"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 Qf6 8. Qe2 Nge7 9. h4 Qe6 10. g3 Nd4 11. Nxd4 Bxd4 12. Nb5 Bb6 13. Bf4 d6 14. Bh3 Qg6 15. Bxc8 Rxc8 16. 0-0-0 Bc5 17. Kb1 0-0 18. h5 Qe6 19. f3 f5 20. e5 Nc6 21. Rhe1 d5 22. Be3 Bb4 23. c3 Be7 24. f4 Rfd8 25. Qd3 d4 26. Nxd4 Nxd4 27. cxd4 Rd5 28. Qb3 Bb4 29. Re2 Rcd8 30. Rc1 c6 31. Qc2 Rc8 32. Rg2 b5 33. axb5 Rxb5 34. g4 Qd5 35. Qc4 Qxc4 36. Rxc4 fxg4 37. Rxg4 Ba3 38. Rc2 Rcb8 39. Bc1 a4 40. Ka2 Rb3 41. bxa3 Rd3 42. f5 Kf7 43. Rxc6 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2000.07.16"]
[Round "9"]
[White "Weritz, Juergen"]
[Black "Potratz, Manfred"]
[Result "0-1"]
[ECO "C25"]
[PlyCount "92"]
[EventDate "2000.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. Na4 Be7 4. Nc3 c6 5. d3 h6 6. g3 Nf6 7. Bg2 d5 8. h3 d4 9. Nce2 c5 10. f4 Bd6 11. Nf3 Nc6 12. f5 Bd7 13. Bd2 c4 14. 0-0 cxd3 15. cxd3 Qb6 16. a3 Nxe4 17. Kh2 Nf6 18. b4 Ne7 19. Nh4 Rc8 20. a4 Bxb4 21. a5 Qd6 22. Bxb7 Rc7 23. Bxb4 Qxb4 24. Bg2 0-0 25. a6 Ned5 26. Rf2 Ne3 27. Qh1 Re8 28. Bf3 Qd6 29. Ra5 Rc5 30. Qa1 Rec8 31. Qa3 Qb6 32. Rxc5 Rxc5 33. Nc1 Rc3 34. Qa2 Rxc1 35. Ng6 Qd8 36. Nxe5 Be8 37. Qb3 Qc7 38. Ng6 Nf1+ 39. Rxf1 Rxf1 40. Qb7 Rc1 41. Ne7+ Kh7 42. h4 Qc2+ 43. Kh3 Qxd3 44. Nd5 Qxf5+ 45. Kh2 Rc2+ 46. Bg2 Qxd5 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2000.07.15"]
[Round "8"]
[White "Potratz, Manfred"]
[Black "Ellen, Jan"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "50"]
[EventDate "2000.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. Nd2 Nxf2 10. Kxf2 Qh4+ 11. g3 Qxd4+ 12. Kg2 Bc5 13. Rf1 0-0 14. Nf3 Qg4 15. Bf4 Qh3+ 16. Kh1 Bg4 17. Qd2 f6 18. e6 Rfe8 19. Qc3 Bb6 20. Qxc6 Rad8 21. Rad1 Rxe6 22. Qb5 c6 23. Qd3 Rde8 24. Rd2 Re2 25. Rg1 Bxf3+ 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2000.07.14"]
[Round "7"]
[White "Smikalla, Ralf"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "89"]
[EventDate "2000.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. cxd5 exd5 5. Qc2 Nc6 6. a3 Be7 7. Nc3 h6 8. Bf4 a6 9. h3 Bd6 10. Bxd6 Qxd6 11. e3 0-0 12. Bd3 Bd7 13. 0-0 Rfe8 14. Rfc1 Rac8 15. b4 b5 16. Nd2 Ne7 17. Nb3 Bc6 18. Nc5 Ba8 19. Nb1 Ne4 20. Nxe4 dxe4 21. Bxe4 Nd5 22. Nc3 Nb6 23. Bxa8 Rxa8 24. Ne4 Qe7 25. Nd2 Rac8 26. Qb3 c6 27. Rc5 Nd7 28. Rc2 Rc7 29. Rac1 Rec8 30. Rc3 Nf6 31. Qc2 Qd7 32. Nf3 Nd5 33. Rc5 f6 34. Qb3 Qf7 35. Nd2 Kf8 36. a4 Qd7 37. a5 Re8 38. Nf3 g5 39. Ne1 Re6 40. Nd3 Ke8 41. Qd1 Qf7 42. Qg4 h5 43. Qf3 Ne7 44. Qg3 Nf5 45. Rxf5 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2000.07.13"]
[Round "6"]
[White "Potratz, Manfred"]
[Black "Hilmer, Frank"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "2209"]
[PlyCount "101"]
[EventDate "2000.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. Bc4 Nc6 5. cxd4 d5 6. exd5 Nxd5 7. Nc3 Nxc3 8. bxc3 e6 9. Ne2 Be7 10. 0-0 0-0 11. Ng3 Bd7 12. Bf4 Rc8 13. Bd3 Na5 14. Rb1 Rxc3 15. Ne4 Ra3 16. Rc1 Bc6 17. Ng3 Qd7 18. Bb1 Rd8 19. Be3 Bd5 20. Qg4 f5 21. Nxf5 exf5 22. Bxf5 Qd6 23. Bf4 Qf6 24. Rfe1 Nc6 25. Be6+ Bxe6 26. Rxe6 Qf7 27. Be3 Rf8 28. f3 Qf5 29. Qxf5 Rxf5 30. Rcxc6 bxc6 31. Rxe7 Kf8 32. Re4 Rxa2 33. h4 Rb5 34. Kh2 Rbb2 35. Rg4 Rb3 36. Re4 Rbb2 37. Rg4 a5 38. Bf4 a4 39. h5 a3 40. Be5 Rb7 41. d5 cxd5 42. Rd4 Rd7 43. Ra4 Kf7 44. Kh3 Ke6 45. f4 Rb7 46. g3 Kf5 47. Ra5 Ke4 48. Kg4 d4 49. Bd6 d3 50. Re5+ Kd4 51. Kf3 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2000.07.12"]
[Round "5"]
[White "Loskarn, Peter"]
[Black "Potratz, Manfred"]
[Result "1/2-1/2"]
[ECO "C31"]
[PlyCount "104"]
[EventDate "2000.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 c6 4. Nf3 e4 5. Ne5 cxd5 6. Bb5+ Bd7 7. Qe2 Nf6 8. Nxd7 Nbxd7 9. d3 Bc5 10. dxe4 dxe4 11. Nc3 0-0 12. Be3 Bxe3 13. Qxe3 a6 14. Ba4 Qa5 15. Bxd7 Nxd7 16. 0-0-0 Nf6 17. h3 Rad8 18. Kb1 Rfe8 19. g4 Nd5 20. Nxd5 Rxd5 21. c4 Qc5 22. Qe2 Rxd1+ 23. Rxd1 b5 24. cxb5 Qxb5 25. Qxb5 axb5 26. Kc2 g6 27. Rd5 e3 28. Kd1 b4 29. Rd4 Ra8 30. Rxb4 Rxa2 31. Ke2 Ra1 32. Rb8+ Kg7 33. b4 Ra2+ 34. Kxe3 Ra3+ 35. Kd4 Rxh3 36. Kc5 Rh4 37. Rd8 Rxg4 38. Rd4 Rg1 39. b5 Rc1+ 40. Kb4 h5 41. b6 Rc8 42. Kb5 Kf6 43. Rb4 g5 44. fxg5+ Kxg5 45. b7 Rb8 46. Kc6 f5 47. Kc7 Rxb7+ 48. Rxb7 h4 49. Kd6 h3 50. Ke5 Kg4 51. Rb4+ Kg3 52. Kxf5 h2 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2000.07.10"]
[Round "4"]
[White "Potratz, Manfred"]
[Black "Tsiperstein, Jakob"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "110"]
[EventDate "2000.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. e5 dxe5 6. Nxe5 0-0 7. c3 Nbd7 8. f4 c5 9. 0-0 cxd4 10. cxd4 e6 11. Nc3 Nb6 12. Bb3 Nbd5 13. Qf3 a6 14. Bd2 Rb8 15. Rac1 Qd6 16. Nc4 Qd8 17. Ne2 Nh5 18. Ne5 Bh6 19. Bxd5 exd5 20. g4 Nf6 21. g5 Ne4 22. Bb4 Nxg5 23. fxg5 Qxg5+ 24. Kh1 Bf5 25. Ng3 Bh3 26. Bxf8 Rxf8 27. Rfe1 Qd2 28. Rcd1 Qxb2 29. Re2 Qb5 30. Rde1 Be6 31. Ng4 Bg5 32. Rf2 Qb4 33. Rd1 Rc8 34. Ne5 Rc7 35. Ne2 Qa4 36. Rdf1 Bh4 37. Rg2 Qe8 38. Qf4 Bd8 39. Ng4 Rc2 40. Nh6+ Kg7 41. Qe3 Rxa2 42. Nf5+ Kg8 43. Nfg3 Qd7 44. Rgf2 b5 45. Nf4 Rxf2 46. Rxf2 Bg4 47. Rf1 a5 48. Re1 Kg7 49. Kg2 g5 50. Nfh5+ Kh6 51. Qe5 Bh3+ 52. Kg1 f6 53. Nxf6 Qc8 54. Ne8 Qd7 55. Qh8 Kg6 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2000.07.08"]
[Round "2"]
[White "Siemes, Robert"]
[Black "Potratz, Manfred"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2106"]
[PlyCount "75"]
[EventDate "2000.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7 11. Qh5+ g6 12. Qe5+ Kf7 13. Nb5 c6 14. Nc3 Re8 15. Qg3 Nf6 16. 0-0 Bd6 17. Qh3 Qc7 18. d4 exd3 19. g3 Be5 20. Be3 Rd8 21. Rad1 Rhe8 22. Rd2 Kg8 23. Rfd1 Qf7 24. Qh4 Bxc3 25. bxc3 Re4 26. Qg5 Rde8 27. Rxd3 R8e5 28. Rd8+ Ne8 29. Qh6 Rh5 30. R1d7 Re7 31. Rxe7 Qxe7 32. Rxe8+ Qxe8 33. Qf4 Rf5 34. Qc7 Rf7 35. Qd6 Qd7 36. Qb8+ Rf8 37. Qe5 Qd1+ 38. Kg2 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2000.07.07"]
[Round "1"]
[White "Potratz, Manfred"]
[Black "Pedall, Thomas"]
[Result "1-0"]
[ECO "D41"]
[PlyCount "68"]
[EventDate "2000.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. cxd5 Nxd5 7. Bc4 e6 8. Nf3 Bb4 9. Bd2 Qa5 10. Rc1 0-0 11. 0-0 Bd7 12. Re1 Rac8 13. Bd3 Bxc3 14. bxc3 Qxa2 15. Bxh7+ Kxh7 16. Ng5+ Kg8 17. Re4 Nf6 18. Rh4 Ne7 19. Nf3 Ng6 20. Bg5 Nxh4 21. Bxh4 Nh7 22. Ne5 Qd5 23. c4 Qd6 24. Qg4 f5 25. Qd1 Nf6 26. f3 Be8 27. Bf2 Nd7 28. c5 Nxc5 29. Nc4 Qd5 30. dxc5 Qxd1+ 31. Rxd1 Bc6 32. Ne5 Rfd8 33. Re1 Rd5 34. Ng6 Kf7 1-0

[Event "Lippstadt op"]
[Site "Lippstadt"]
[Date "2000.??.??"]
[Round "?"]
[White "Meier, Georg"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "65"]
[EventDate "2000.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nc3 Bb4 6. Qd2 e5 7. a3 exd4 8. axb4 dxc3 9. bxc3 Nc6 10. b5 Ne7 11. Qd4 Qg6 12. g3 0-0 13. Nh3 d5 14. exd5 Nf5 15. Qd3 Re8+ 16. Kd2 Qb6 17. Ra4 Bd7 18. Rf4 Nd6 19. c4 g5 20. Rd4 Bf5 21. Qc3 Ne4+ 22. Rxe4 Bxe4 23. f3 Bg6 24. c5 Rad8 25. cxb6 Rxd5+ 26. Kc1 cxb6 27. Bd3 Rc5 28. Qd4 f5 29. g4 Bf7 30. Bxf5 Rd5 31. Qf6 Re3 32. Qxh6 Rxf5 33. gxf5 1-0

[Event "Lippstadt op"]
[Site "Lippstadt"]
[Date "2000.??.??"]
[Round "?"]
[White "Weddemann, Alexander"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "77"]
[EventDate "2000.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 g5 5. Bg3 Bg7 6. Nf3 Nc6 7. Nc3 Ngxe5 8. e3 d6 9. Nxe5 Nxe5 10. Qc2 c6 11. 0-0-0 Be6 12. Ne4 d5 13. cxd5 Bxd5 14. Qc5 Bf8 15. Qc3 f6 16. Nxf6+ Qxf6 17. Bxe5 Qxf2 18. Bxh8 Be7 19. Bd4 Be4 20. Qd2 Qf7 21. Bd3 Bxd3 22. Qxd3 Rd8 23. Qb3 Qg6 24. Rhf1 Rd7 25. Bxa7 Bd6 26. Bb6 Rg7 27. Qd3 Qxd3 28. Rxd3 Bxh2 29. Rfd1 Re7 30. Rd8+ Kf7 31. R1d7 h5 32. Rxe7+ Kxe7 33. Rg8 Kf6 34. Bd8+ Ke6 35. Rxg5 Bg1 36. Bb6 h4 37. Kd2 Kf6 38. Bd8+ Ke6 39. Rh5 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1999.07.18"]
[Round "9"]
[White "Potratz, Manfred"]
[Black "Bauer, Matthias"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "83"]
[EventDate "1999.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Bf5 6. Nf3 Nf6 7. Bd2 Qc7 8. Ne5 e6 9. 0-0 Nbd7 10. f4 Nxe5 11. fxe5 Ne4 12. Be3 Be7 13. Nxe4 Bxe4 14. Qg4 Bg6 15. Rf2 h5 16. Qg3 Qd7 17. Bd3 h4 18. Qg4 0-0-0 19. Bxg6 fxg6 20. Qxg6 h3 21. Rf7 Rde8 22. Rxg7 Qd5 23. c3 Bd8 24. b3 Qxg2+ 25. Qxg2 hxg2 26. Kxg2 Rh5 27. Rf1 Reh8 28. Bf4 Bh4 29. Rf3 Be1 30. Kf1 Bh4 31. Ke2 Rf5 32. Be3 Rxf3 33. Kxf3 Be1 34. Bf4 Bxc3 35. Kg4 Bxd4 36. h4 Bc5 37. h5 Bf8 38. Rg6 Kd7 39. h6 Rh7 40. Kh5 b5 41. Rf6 c5 42. Rxf8 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1999.07.17"]
[Round "8"]
[White "Litwak, Aleksej"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "85"]
[EventDate "1999.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 e4 5. Qe2 Qe7 6. Bxc6 dxc6 7. Nd4 Qe5 8. Nf3 Qxf5 9. d3 Nf6 10. Nbd2 Bd6 11. Nxe4 0-0 12. Nxd6 cxd6 13. Be3 Qd5 14. h3 Bd7 15. b3 Rae8 16. 0-0-0 Qa5 17. Kb2 Nd5 18. Qd2 Qc7 19. Rde1 b5 20. c4 bxc4 21. dxc4 Nf6 22. Bf4 Qb6 23. Bxd6 Rxe1 24. Rxe1 Re8 25. Rxe8+ Bxe8 26. Qd4 Qb7 27. Be5 Qe7 28. Bxf6 gxf6 29. Qe3 Qd7 30. Nd4 a5 31. Qe6+ Kg7 32. Qxd7+ Bxd7 33. c5 f5 34. Kc3 Kf6 35. f4 Be6 36. Nxc6 Bd5 37. Nxa5 Bxg2 38. h4 Kg6 39. c6 Bf1 40. Nc4 Bg2 41. c7 Bb7 42. Nd6 Ba6 43. b4 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1999.07.16"]
[Round "7"]
[White "Potratz, Manfred"]
[Black "Deinert, Wolfgang"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "64"]
[EventDate "1999.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Ne2 Nxe4 7. Bxe4 Nf6 8. Bd3 b6 9. Bb5+ Bd7 10. Qd3 Be7 11. c3 0-0 12. Bxd7 Qxd7 13. Bg5 c5 14. Rd1 Qd5 15. Bxf6 Bxf6 16. 0-0 cxd4 17. c4 Qc5 18. Ng3 Rfd8 19. Ne4 Qf5 20. Qe2 Rd7 21. Rd3 Rad8 22. Rf3 d3 23. Nxf6+ Qxf6 24. Qd2 Qe7 25. Rc1 Rd4 26. b3 e5 27. Rg3 f6 28. Re3 e4 29. f4 f5 30. Rg3 g6 31. h4 Qg7 32. h5 R4d6 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1999.07.15"]
[Round "6"]
[White "Overbeck, Christopher"]
[Black "Potratz, Manfred"]
[Result "0-1"]
[ECO "C46"]
[PlyCount "124"]
[EventDate "1999.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Bxf2+ 5. Kxf2 Nxe5 6. d4 Qf6+ 7. Kg1 Ng6 8. Nd5 Qd8 9. Bc4 c6 10. Nc3 N8e7 11. Be3 0-0 12. Qf3 b5 13. Bb3 a5 14. a4 b4 15. Ne2 d5 16. exd5 cxd5 17. Kf2 Ra6 18. Kg1 Be6 19. h4 Nf5 20. Bg5 Qd7 21. h5 Nge7 22. g4 Nd6 23. Qd3 Nc4 24. h6 g6 25. Qf3 f5 26. Bxc4 dxc4 27. Bxe7 Qxe7 28. Qe3 Qf7 29. gxf5 Bxf5 30. Rf1 Re6 31. Qd2 Re4 32. Ng3 Rg4 33. Rf3 Qd5 34. Qe2 Qxd4+ 35. Qe3 Rd8 36. Qxd4 Rdxd4 37. Kf2 Rgf4 38. Rxf4 Rxf4+ 39. Ke3 g5 40. Rd1 Kf7 41. Rd5 Bxc2 42. Rxg5 Rf6 43. Rxa5 Rxh6 44. Ra7+ Ke8 45. a5 Rd6 46. Rb7 b3 47. Nf1 Kd8 48. Nd2 Bd3 49. Rb4 Ra6 50. Nxc4 Bxc4 51. Rxc4 Rxa5 52. Rb4 Rh5 53. Kf3 Rh2 54. Rb8+ Kc7 55. Rh8 Kc6 56. Kg3 Rxb2 57. Rxh7 Rc2 58. Rh1 Kc5 59. Kf3 Kc4 60. Ke3 b2 61. Rb1 Kc3 62. Rxb2 Rxb2 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1999.07.14"]
[Round "5"]
[White "Potratz, Manfred"]
[Black "Lange, Andreas"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "114"]
[EventDate "1999.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Bf5 6. Bd2 e6 7. Nge2 Nd7 8. Ng3 Bg6 9. 0-0 Ne7 10. Nce4 Qc7 11. Bb4 Nd5 12. Bxf8 Rxf8 13. Be2 0-0-0 14. c4 N5f6 15. Bf3 Nxe4 16. Nxe4 Ne5 17. d5 Nxf3+ 18. Qxf3 exd5 19. cxd5 Rxd5 20. Ng3 Rd3 21. Qg4+ Qd7 22. Qa4 Qd4 23. Qa5 Kb8 24. Rac1 Qxb2 25. Rb1 Qc3 26. Qa6 Rd7 27. Ne2 Qd3 28. Qxc6 Rc7 29. Qb5 Qxb5 30. Rxb5 Bd3 31. Re5 Rc2 32. Re1 Rxa2 33. Nf4 Bg6 34. Nd5 Rc2 35. Re7 Rc5 36. Re8+ Rxe8 37. Rxe8+ Rc8 38. Re1 Rd8 39. Nf4 Bc2 40. Nh5 g6 41. Nf6 h5 42. f4 Rd1 43. Kf2 Rxe1 44. Kxe1 Bb3 45. Nd7+ Kc7 46. Ne5 Kd6 47. Ke2 b5 48. Ke3 a5 49. Kd4 Be6 50. Nd3 b4 51. Nc5 Kc6 52. h3 Kb5 53. Ne4 a4 54. g4 hxg4 55. hxg4 a3 56. f5 gxf5 57. gxf5 a2 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1999.07.12"]
[Round "4"]
[White "Potratz, Manfred"]
[Black "Dahmen, Juergen"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "33"]
[EventDate "1999.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 d6 5. Nf3 Nd7 6. 0-0 Ngf6 7. Qe2 e6 8. Rd1 Be7 9. e5 dxe5 10. Nxe5 Qc7 11. Bf4 Bd6 12. Nxf7 Kxf7 13. Bxd6 Qb6 14. Na3 a6 15. Nc4 Qa7 16. Ba3 b5 17. Nd6+ 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1999.07.11"]
[Round "3"]
[White "Rostek, Bettina"]
[Black "Potratz, Manfred"]
[Result "0-1"]
[ECO "C63"]
[PlyCount "52"]
[EventDate "1999.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 Nf6 5. exf5 Bc5 6. 0-0 d6 7. Nc3 0-0 8. Bg5 Bxf5 9. Bc4+ Kh8 10. Nd5 Qd7 11. Bxf6 gxf6 12. Nh4 Bg4 13. Qd2 Qg7 14. Ne3 Nd4 15. c3 Qg5 16. cxd4 exd4 17. f4 dxe3 18. fxg5 exd2+ 19. Kh1 fxg5 20. Nf3 Bxf3 21. gxf3 c6 22. a3 Rae8 23. b4 Bd4 24. Rad1 Re2 25. a4 d5 26. Bb3 Rxf3 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1999.07.10"]
[Round "2"]
[White "Potratz, Manfred"]
[Black "Kissing, Bastian"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "59"]
[EventDate "1999.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. e5 dxe5 6. Bb5+ Bd7 7. Qe2 Qc7 8. Nf3 a6 9. Bc4 Nc6 10. 0-0 Nf6 11. Bg5 e4 12. Nxe4 Nxe4 13. Qxe4 f5 14. Qe2 f4 15. g3 fxg3 16. fxg3 e5 17. Rac1 Bc5+ 18. Be3 Bxe3+ 19. Qxe3 Rf8 20. Bd5 0-0-0 21. Rfe1 Qa5 22. Rc5 Qb4 23. b3 Be8 24. Nxe5 Rf5 25. Be6+ Bd7 26. Nxd7 Re8 27. Nf6+ Rxe6 28. Qxe6+ Kc7 29. Ne8+ Kb6 30. Qxf5 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1999.07.09"]
[Round "1"]
[White "Denger, Philipp"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "103"]
[EventDate "1999.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. Nbd2 Nbd7 7. Be2 0-0 8. 0-0 c5 9. c3 c4 10. b3 b5 11. bxc4 bxc4 12. Qc2 h6 13. Rfb1 Nb6 14. Ne5 Nfd7 15. Nxd7 Bxd7 16. a4 a5 17. e4 Rfb8 18. Bg4 Qf4 19. Bh3 Bc6 20. g3 Qg5 21. Bg2 Qg6 22. Rb2 Nd7 23. Rxb8+ Rxb8 24. Rb1 Rxb1+ 25. Qxb1 Bxa4 26. Qa2 Bc6 27. Qxa5 dxe4 28. Nxc4 Qg4 29. Ne3 Qe2 30. Qa1 Nf6 31. Qd1 Qb2 32. Qe1 Nd7 33. Nc4 Qa2 34. Ne3 Nb6 35. Bf1 Qb2 36. Nc4 Nxc4 37. Bxc4 Bb5 38. Bf1 Qc2 39. c4 Bxc4 40. Bxc4 Qxc4 41. Qxe4 f5 42. Qe5 Kf7 43. h4 Qc2 44. Qe3 Qe4 45. Kf1 Kf6 46. Ke2 g5 47. hxg5+ hxg5 48. Qxe4 fxe4 49. Ke3 e5 50. d5 Ke7 51. Kxe4 Kd6 52. g4 1-0

[Event "Lippstadt Turm op"]
[Site "Lippstadt"]
[Date "1999.??.??"]
[Round "6"]
[White "Menk, Rolf"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "A51"]
[WhiteElo "2179"]
[PlyCount "123"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. a3 d6 5. Nf3 Nc6 6. Nbd2 Bf5 7. Nxe4 Bxe4 8. Ng5 Bf5 9. e4 Be6 10. Nxe6 fxe6 11. exd6 Bxd6 12. Qh5+ g6 13. Qh3 Qf6 14. Bd3 Ne5 15. Be2 0-0 16. 0-0 Bc5 17. Bh6 Rf7 18. Kh1 Bf8 19. Be3 Nc6 20. Rab1 Rd8 21. f4 Nd4 22. e5 Qe7 23. Bg4 Nf5 24. Bg1 b6 25. Rbd1 Qe8 26. Rxd8 Qxd8 27. Rd1 Rd7 28. Qb3 Rxd1 29. Qxd1 Qxd1 30. Bxd1 Kf7 31. g3 Ke7 32. Kg2 Kd7 33. b4 c5 34. Ba4+ Kd8 35. bxc5 bxc5 36. Bf2 Be7 37. Kf3 Nd4+ 38. Ke4 g5 39. Be1 gxf4 40. gxf4 Nf5 41. Bf2 Bf8 42. Bd1 Kc7 43. Bg4 Ng7 44. f5 exf5+ 45. Bxf5 h6 46. Be3 h5 47. Bg6 Kb6 48. Kd5 Be7 49. Bh6 Bf8 50. Bg5 Kc7 51. e6 Bd6 52. e7 Bxh2 53. Bf6 Bd6 54. e8Q Nxe8 55. Bxe8 Bf4 56. Be5+ Bxe5 57. Kxe5 h4 58. Kd5 Kb6 59. Kd6 h3 60. Bc6 a6 61. Be4 h2 62. Bc6 1-0

[Event "Lippstadt Turm op"]
[Site "Lippstadt"]
[Date "1999.??.??"]
[Round "5"]
[White "Potratz, Manfred"]
[Black "Kuehne, Thomas"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "69"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bg4 6. f3 Bf5 7. Nge2 e6 8. 0-0 c6 9. Ng3 Bb4 10. Nce4 Bxe4 11. fxe4 Nbd7 12. c3 Be7 13. e5 Nd5 14. Ne4 Qb6 15. Kh1 Rf8 16. Bb3 0-0-0 17. Qe2 c5 18. Ng5 Bxg5 19. Bxg5 f6 20. exf6 gxf6 21. dxc5 Nxc5 22. Bh6 Rf7 23. Rad1 Nxb3 24. axb3 e5 25. c4 Ne7 26. Be3 Qc7 27. Rxd8+ Kxd8 28. b4 f5 29. Bc5 Kc8 30. Rd1 e4 31. Bd6 Qd7 32. Qe3 Qa4 33. b3 Qa2 34. Bxe7 Rxe7 35. Qc5+ 1-0

[Event "Lippstadt Turm op"]
[Site "Lippstadt"]
[Date "1999.??.??"]
[Round "1"]
[White "Potratz, Manfred"]
[Black "Papa, Heinrich"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "47"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Be7 9. 0-0 0-0 10. Nf3 a6 11. Bd2 f6 12. Nf4 Nb6 13. Rc1 fxe5 14. Nxe5 Bd6 15. Qh5 h6 16. Qg6 Nxe5 17. dxe5 Bxe5 18. Qh7+ Kf7 19. Ng6 Bxb2 20. Rc2 Be5 21. Nxe5+ Kf6 22. Ng4+ Ke7 23. Bb4+ Kd7 24. Qxg7+ 1-0

[Event "Lippstadt Turm op"]
[Site "Lippstadt"]
[Date "1999.??.??"]
[Round "2"]
[White "Schwarzenberg, Josef"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2060"]
[PlyCount "91"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Nbd7 7. Bxc4 Nb6 8. Bb3 e6 9. 0-0 Bd6 10. Qe2 Ne4 11. a5 Nxc3 12. bxc3 Nd5 13. Bd2 Nf6 14. c4 Ne4 15. c5 Bc7 16. a6 Bg4 17. axb7 Rb8 18. Rfd1 Rxb7 19. Ba4 0-0 20. Bxc6 Bxh2+ 21. Kh1 Bxf3 22. Qxf3 Nxd2 23. Rxd2 Qh4 24. Qh3 Qxh3 25. gxh3 Rc7 26. Bf3 Be5 27. dxe5 Rxc5 28. Rxa7 Rxe5 29. Rdd7 g6 30. Kh2 Rf5 31. Kg3 Rg5+ 32. Kf4 Rf5+ 33. Kg3 Rg5+ 34. Kh2 Rf5 35. Kg2 Kg7 36. Re7 Kf6 37. Bc6 Rg5+ 38. Kf1 Rh5 39. Be8 Rxe8 40. Rxe8 Rxh3 41. Rf8 h5 42. Rfxf7+ Ke5 43. Rg7 Kf6 44. Raf7+ Kg5 45. Kg2 Rh4 46. f4+ 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1998.??.??"]
[Round "?"]
[White "Kendziorra, Sascha"]
[Black "Potratz, Manfred"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "56"]
[EventDate "1998.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Be7 5. c3 d3 6. Qb3 d5 7. Bxd5 Na5 8. Bxf7+ Kf8 9. Qd5 c6 10. Qxd8+ Bxd8 11. Bxg8 Kxg8 12. Ne5 Bf6 13. Nxd3 Bg4 14. f3 Rd8 15. Ke2 Be6 16. Nd2 Kf7 17. e5 Be7 18. Nf4 Bg5 19. Nxe6 Kxe6 20. Nb3 Bxc1 21. Nxc1 Kxe5 22. Nd3+ Kf6 23. Rad1 Rhe8+ 24. Kf2 Nc4 25. b3 Ne3 26. Rd2 Nd5 27. c4 Nf4 28. Rhd1 Ne6 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1998.??.??"]
[Round "?"]
[White "Nettelbeck, Jann"]
[Black "Potratz, Manfred"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "73"]
[EventDate "1998.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bf5 5. Bd3 Be4 6. Bxe4 dxe4 7. Qg4 Qd7 8. Qxe4+ Be7 9. Qxb7 Qc6 10. Qxc6+ Nxc6 11. c3 0-0 12. Ne2 Bd6 13. 0-0 Ne7 14. e4 Rab8 15. b4 a5 16. a3 Nc8 17. Nd2 Re8 18. Rab1 Ra8 19. Ra1 Rd8 20. Nc4 axb4 21. axb4 Rb8 22. f4 Bf8 23. Na5 Rb6 24. d5 Nd6 25. Ng3 Re8 26. Rfe1 g6 27. e5 fxe5 28. fxe5 Nb5 29. Nc4 Rbb8 30. Ne4 Bg7 31. Re3 Kf8 32. Nc5 Red8 33. Rd1 Na7 34. e6 Ke8 35. e7 Rdc8 36. d6 cxd6 37. Nxd6# 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1998.??.??"]
[Round "?"]
[White "Pittag, Andreas"]
[Black "Potratz, Manfred"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "86"]
[EventDate "1998.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. c3 c6 4. a4 Nbd7 5. a5 Qc7 6. g3 e5 7. Na3 Bd6 8. Nc2 e4 9. Nh4 Nf8 10. Ng2 Ng6 11. c4 dxc4 12. Nge3 Be6 13. Bg2 0-0 14. a6 b5 15. Bd2 Qd7 16. f3 Bh3 17. 0-0 Bxg2 18. Kxg2 exf3+ 19. Rxf3 Ne4 20. Ba5 f5 21. Nf1 f4 22. d5 c5 23. b4 Ng5 24. Rfa3 Qh3+ 25. Kg1 f3 26. exf3 Be5 27. R1a2 Qh5 28. Kg2 c3 29. Ne1 c4 30. d6 Qh3+ 31. Kg1 Qe6 32. d7 Bf6 33. Rg2 Qxa6 34. Raa2 Qc6 35. Rae2 Nxf3+ 36. Nxf3 Qxf3 37. Rgf2 Qd3 38. Qe1 Bd4 39. Kg2 Bxf2 40. Rxf2 Qxd7 41. Re2 Rae8 42. Ne3 Qc6+ 43. Kg1 Ne5 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1998.??.??"]
[Round "?"]
[White "Potratz, Manfred"]
[Black "Goihl, Mona"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "114"]
[EventDate "1998.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Bc4 Nc6 5. Nf3 e6 6. Nxc3 a6 7. 0-0 Nge7 8. Bf4 g6 9. Qe2 Bg7 10. Rac1 0-0 11. Rfd1 b5 12. Bd3 Bb7 13. Bb1 Re8 14. Qd2 d5 15. e5 Rc8 16. Ne2 Qa5 17. Qe3 Red8 18. Ned4 Nxd4 19. Nxd4 Nc6 20. Nb3 Qc7 21. Bg5 Re8 22. f4 Qb8 23. Nc5 Qa7 24. Qf2 Na5 25. b4 Nc4 26. Rc3 Ba8 27. Rh3 Bf8 28. Qh4 Bxc5+ 29. bxc5 Qxc5+ 30. Kh1 h5 31. Bf6 d4 32. Qg3 Qd5 33. Rg1 Ne3 34. Bxg6 Qxg2+ 35. Qxg2 Bxg2+ 36. Rxg2 Rc1+ 37. Rg1 Rxg1+ 38. Kxg1 fxg6 39. Rg3 Kf7 40. Bg5 Rc8 41. Kf2 Rc2+ 42. Kf3 Rxa2 43. Ke4 b4 44. Rg1 Nf5 45. Kd3 a5 46. Rc1 Ra3+ 47. Kd2 Rc3 48. Ra1 Rc5 49. Bd8 b3 50. Bb6 Rc2+ 51. Kd3 Ra2 52. Rb1 a4 53. Ba5 Rxh2 54. Bd2 h4 55. Rc1 b2 56. Rd1 a3 57. Kc2 Ne3+ 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1998.??.??"]
[Round "?"]
[White "Potratz, Manfred"]
[Black "Heinrich, Reinhard"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "77"]
[EventDate "1998.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 h6 5. 0-0 d6 6. Nxd4 Nxd4 7. Qxd4 Qf6 8. Qd3 Ne7 9. Nc3 c6 10. Be3 Ng6 11. Bd4 Qg5 12. f4 Nxf4 13. Rxf4 Qxf4 14. Rf1 Qg5 15. Bxf7+ Kd8 16. Be3 Qe7 17. Bh5 Qe5 18. Bg6 Be6 19. Bd4 Qg5 20. e5 d5 21. Ne2 Be7 22. Nf4 Bd7 23. e6 Be8 24. Bf7 c5 25. Be3 d4 26. c3 Bf6 27. cxd4 Kc7 28. d5 Bd4 29. Bxd4 cxd4 30. Qc4+ Kd8 31. d6 Bc6 32. e7+ Kc8 33. Be6+ Kb8 34. Bd7 Qb5 35. Qxb5 Bxb5 36. Bxb5 a6 37. e8Q+ Ka7 38. d7 Kb6 39. Ne6 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1998.??.??"]
[Round "?"]
[White "Potratz, Manfred"]
[Black "Ries, Benjamin"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "19"]
[EventDate "1998.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 d5 6. exd5 Nxd5 7. Ng5 Be6 8. Re1 Qe7 9. Nxe6 fxe6 10. Qh5+ 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1998.??.??"]
[Round "?"]
[White "Potratz, Manfred"]
[Black "Zaragatski, Ilja"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "96"]
[EventDate "1998.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. 0-0 fxe5 11. dxe5 Ncxe5 12. Nxe5 Nxe5 13. Nf4 Nxd3 14. Nxd3 Bd6 15. Qh5+ g6 16. Qh6 Bf8 17. Qh4 Bg7 18. Be3 Qd8 19. Bg5 Qd7 20. Nc5 Qf7 21. Qa4+ Bd7 22. Nxd7 Qxd7 23. Qb4 h6 24. Bh4 a5 25. Qa3 Kf7 26. Qf3+ Kg8 27. Rac1 Kh7 28. b3 Rac8 29. Rce1 Rhe8 30. Qd1 Qc6 31. Qg4 e5 32. h3 e4 33. Rc1 Qxc1 34. Rxc1 Rxc1+ 35. Kh2 Rc7 36. Bg3 Be5 37. h4 h5 38. Qg5 Bxg3+ 39. Kxg3 d4 40. Qxa5 Ree7 41. Qd2 e3 42. fxe3 dxe3 43. Qe2 Rcd7 44. Kf3 Rd2 45. Qe1 e2 46. Kf2 Rd1 47. Qxe2 Rxe2+ 48. Kxe2 Ra1 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1998.??.??"]
[Round "?"]
[White "Wurm, Michael"]
[Black "Potratz, Manfred"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "56"]
[EventDate "1998.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 Nf6 5. Re1 0-0 6. d3 d6 7. Be3 Na5 8. Bb3 Ng4 9. Nbd2 Nxe3 10. fxe3 Nxb3 11. axb3 Bg4 12. Rf1 b5 13. Qe1 c6 14. d4 Qc7 15. Qg3 Bxf3 16. Nxf3 f6 17. Nh4 Rf7 18. Nf5 Kh8 19. Qh3 Bf8 20. g4 Re8 21. Qg2 g6 22. Nh4 exd4 23. exd4 Bh6 24. Kh1 Bg5 25. Nf3 Bf4 26. Rae1 c5 27. c3 b4 28. Nh4 Bh6 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1998.??.??"]
[Round "?"]
[White "Zimmermann, Egon"]
[Black "Potratz, Manfred"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "54"]
[EventDate "1998.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 d5 4. dxe5 dxc4 5. Qxd8+ Kxd8 6. exf6 Nd7 7. Bg5 g6 8. f4 h6 9. Bh4 Nc5 10. Nd2 Ne6 11. Nxc4 Nxf4 12. 0-0-0+ Ke8 13. Ne3 Be6 14. Nd5 Bd6 15. Bg3 Bxd5 16. exd5 Kd7 17. Bxf4 Bxf4+ 18. Kb1 Bg5 19. Nh3 Be3 20. Rd3 Rae8 21. Re1 Bc5 22. Rxe8 Rxe8 23. Kc1 Re2 24. Kd1 Rxg2 25. Rd2 Rxd2+ 26. Kxd2 Bd4 27. c3 Bxf6 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "5"]
[White "Potratz, Manfred"]
[Black "Duhn, Marc"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "45"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 e6 4. Nf3 Nd7 5. Bd3 c5 6. c3 cxd4 7. cxd4 Bb4+ 8. Nc3 Ne7 9. 0-0 Ng6 10. Bd2 a6 11. Nb5 Be7 12. Nd6+ Bxd6 13. exd6 Nf6 14. Qa4+ Bd7 15. Qa3 Ne4 16. Bxe4 dxe4 17. Ne5 f6 18. Nxd7 Qxd7 19. Rac1 Rc8 20. Rxc8+ Qxc8 21. Rc1 Qd8 22. Qa4+ Qd7 23. Rc8+ 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "1993.??.??"]
[Round "1"]
[White "Potratz, Manfred"]
[Black "Trzaska, Peter"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "2245"]
[PlyCount "41"]
[EventDate "1993.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nb6 5. Bb3 c5 6. d3 Bf5 7. Be3 e6 8. Qe2 Nc6 9. a3 Be7 10. g4 Bg6 11. Nf3 h5 12. Rg1 Nd5 13. Bd2 hxg4 14. Rxg4 Bh5 15. Rg3 Nd4 16. Qe4 Bxf3 17. Rxf3 Rh4 18. Ba4+ Kf8 19. Rh3 Rxh3 20. 0-0-0 Rh4 21. Qg2 0-1

