[Event "Sauerland Bezirksliga 0405"]
[Site "Sauerland"]
[Date "2005.04.03"]
[Round "?"]
[White "Kammel, Christian"]
[Black "Pietrzak, Oliver"]
[Result "1-0"]
[ECO "D30"]
[PlyCount "57"]
[EventDate "2004.11.21"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Koenigsspringer Luedenscheid"]
[BlackTeam "Halver"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 c6 3. Bf4 Nf6 4. e3 e6 5. c4 Bd6 6. Ne5 Bb4+ 7. Nd2 Nbd7 8. a3 Bxd2+ 9. Qxd2 Nh5 10. 0-0-0 Nxf4 11. exf4 0-0 12. g4 f6 13. Nxd7 Bxd7 14. Rg1 Qc7 15. Re1 c5 16. cxd5 exd5 17. Kb1 c4 18. h3 Rac8 19. Rg3 b5 20. Bg2 Bc6 21. f5 Qb6 22. Re6 Rfe8 23. h4 Kf7 24. g5 g6 25. Rxf6+ Kg7 26. fxg6 hxg6 27. Qc2 Rc7 28. Qxg6+ Kh8 29. Rgf3 1-0

[Event "Sauerland Bezirksliga 0405"]
[Site "Sauerland"]
[Date "2005.04.03"]
[Round "?"]
[White "Koenig, Paul"]
[Black "Pietrzak, Oliver"]
[Result "1/2-1/2"]
[ECO "A28"]
[PlyCount "25"]
[EventDate "2004.11.21"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Lennestadt"]
[BlackTeam "Halver"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 a5 5. d3 b6 6. g3 Bb7 7. Bg2 Nd4 8. e3 Ne6 9. 0-0 d6 10. Qa4+ Qd7 11. Qxd7+ Nxd7 12. Re1 0-0-0 13. b4 1/2-1/2

[Event "Sauerland Bezirksliga 0405"]
[Site "Sauerland"]
[Date "2004.11.21"]
[Round "?"]
[White "Guenther, Markus"]
[Black "Pietrzak, Oliver"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2098"]
[PlyCount "52"]
[EventDate "2004.11.21"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Koenigsspringer Luedenscheid"]
[BlackTeam "Halver"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. g3 c6 3. Bg2 Bf5 4. Nc3 Nf6 5. Nf3 e6 6. a3 Bd6 7. 0-0 Nbd7 8. e3 Qc7 9. Nh4 Bg6 10. Nxg6 hxg6 11. Qe2 0-0-0 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qf3 Rh5 16. c3 Rdh8 17. h3 g5 18. g4 Bh2+ 19. Kh1 Nxg4 20. Qxg4 Rh4 21. Qxg5 Rxh3 22. Bxh3 Rxh3 23. Qg2 Rh7 24. Be3 Bd6+ 25. Kg1 Bh2+ 26. Kh1 Bd6+ 1/2-1/2

[Event "Sauerland Bezirksliga 0304"]
[Site "Sauerland"]
[Date "2004.02.29"]
[Round "?"]
[White "Guenther, Markus"]
[Black "Pietrzak, Oliver"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1373"]
[BlackElo "1418"]
[PlyCount "62"]
[EventDate "2003.10.12"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Koenigsspringer Luedenscheid"]
[BlackTeam "Halver II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. Nc3 c6 4. e3 Bg4 5. Be2 Nbd7 6. h3 Bh5 7. Nd2 Bxe2 8. Qxe2 e6 9. a3 Bd6 10. Nf3 0-0 11. Bd2 Re8 12. 0-0 Qc7 13. Rfe1 e5 14. dxe5 Nxe5 15. Nxe5 Rxe5 16. Qf3 Rae8 17. Rad1 b5 18. b4 Qe7 19. Bc1 Ne4 20. Nxe4 Rxe4 21. Bb2 Qg5 22. Rd4 R8e6 23. Rxe4 dxe4 24. Qg4 Qxg4 25. hxg4 Be5 26. Rd1 Rd6 27. Rxd6 Bxd6 28. Bd4 a6 29. f3 exf3 30. gxf3 f6 31. Kg2 Kf7 1/2-1/2

[Event "Halver-ch"]
[Site "Halver"]
[Date "2003.11.16"]
[Round "?"]
[White "Lindemann, Siegfried"]
[Black "Pietrzak, Oliver"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1450"]
[BlackElo "1430"]
[PlyCount "77"]
[EventDate "2003.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 c6 3. g3 Bf5 4. Bg2 Nf6 5. e3 Nbd7 6. Nge2 e6 7. a3 Bd6 8. 0-0 Qc7 9. Nf4 0-0-0 10. b4 g5 11. Nd3 h5 12. h3 Rh7 13. Nc5 g4 14. h4 Bxg3 15. fxg3 Qxg3 16. Qe1 Qxe1 17. Rxe1 Bxc2 18. e4 Nxc5 19. bxc5 dxe4 20. Bg5 Rxd4 21. Bxf6 Rc4 22. Nxe4 Kd7 23. Rac1 Bd3 24. Rxc4 Bxc4 25. Rd1+ Bd5 26. Ng5 Rh6 27. Bc3 Ke7 28. Bxd5 cxd5 29. Rb1 b6 30. cxb6 axb6 31. Rxb6 f5 32. a4 Rg6 33. a5 Rg8 34. Rxe6+ Kd7 35. Rf6 Rc8 36. Be1 Rc1 37. Kf1 d4 38. Rxf5 d3 39. Rd5+ 1-0

[Event "Halver-ch"]
[Site "Halver"]
[Date "2003.11.07"]
[Round "?"]
[White "Pietrzak, Oliver"]
[Black "Mirus, Lothar"]
[Result "1/2-1/2"]
[ECO "D24"]
[PlyCount "43"]
[EventDate "2003.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. e3 Bf5 5. Bxc4 e6 6. Nf3 a6 7. a4 Nbd7 8. a5 c5 9. Qa4 Qc7 10. 0-0 Be7 11. Rd1 cxd4 12. Nxd4 Bg4 13. f3 Bh5 14. b4 0-0 15. Qb3 Rac8 16. Nxe6 fxe6 17. Bxe6+ Bf7 18. Bxf7+ Rxf7 19. Bb2 Qc4 20. Qxc4 Rxc4 21. Re1 b6 22. axb6 1/2-1/2

[Event "Halver-ch"]
[Site "Halver"]
[Date "2003.11.06"]
[Round "?"]
[White "Raatz, Gerhard"]
[Black "Pietrzak, Oliver"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "85"]
[EventDate "2003.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. b3 Bc5 4. Bb2 d6 5. Bb5 Bd7 6. 0-0 Nge7 7. c3 a6 8. Be2 Ng6 9. d4 Bb6 10. Kh1 0-0 11. Re1 Nce7 12. Bf1 Be6 13. Qc2 f5 14. Ng5 Bd7 15. Bc4+ Kh8 16. Nf7+ Rxf7 17. Bxf7 Qf8 18. Bxg6 Nxg6 19. Nd2 fxe4 20. Nxe4 Bf5 21. Qd2 Qe7 22. Ng3 Be6 23. dxe5 Nxe5 24. Ba3 Bxf2 25. Qxf2 Nd3 26. Qe2 Nxe1 27. Rxe1 Re8 28. Nf5 Qd7 29. Nd4 Bf7 30. Qf2 Rxe1+ 31. Qxe1 Qg4 32. h3 Qg6 33. Qf2 h6 34. Bc1 Kg8 35. Qf5 Qg3 36. Nf3 Qf2 37. Bd2 Qb6 38. Nd4 d5 39. Qd7 c6 40. Qd6 Qa7 41. Be3 Qa8 42. Nf5 Kh7 43. Nxg7 1-0

[Event "Halver-ch"]
[Site "Halver"]
[Date "2003.10.10"]
[Round "?"]
[White "Kelbling, Philipp"]
[Black "Pietrzak, Oliver"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1295"]
[BlackElo "1473"]
[PlyCount "48"]
[EventDate "2003.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 d6 5. d3 h6 6. h3 Nge7 7. 0-0 0-0 8. a3 a5 9. Bd2 Kh8 10. Qc1 Kh7 11. Nh2 f5 12. Be3 Nd4 13. Kh1 f4 14. Bxd4 Bxd4 15. Nf3 Bxc3 16. bxc3 g5 17. d4 g4 18. hxg4 Bxg4 19. Nh2 h5 20. Qe1 Ng6 21. Nxg4 hxg4 22. Be6 Qh4+ 23. Kg1 f3 24. Bf5 Rh8 0-1

[Event "Halver-ch"]
[Site "Halver"]
[Date "2002.12.06"]
[Round "9"]
[White "Lindemann, Siegfried"]
[Black "Pietrzak, Oliver"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "1463"]
[BlackElo "1401"]
[PlyCount "68"]
[EventDate "2002.09.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 e6 4. e3 h6 5. Bh4 Be7 6. Bd3 Nbd7 7. Nge2 0-0 8. 0-0 a5 9. a3 c5 10. b3 b6 11. a4 Qc7 12. Nb5 Qc6 13. Nbc3 g5 14. Bb5 Qc7 15. Bg3 Bd6 16. Bxd6 Qxd6 17. Ng3 Ba6 18. Bxa6 Rxa6 19. Nb5 Qe7 20. Qe2 Raa8 21. f4 Ne4 22. Nxe4 dxe4 23. Qh5 Kg7 24. fxg5 Qxg5 25. Qxg5+ hxg5 26. Rad1 Rad8 27. g4 Rh8 28. Kg2 Rh4 29. h3 Rdh8 30. Rh1 Kg6 31. Rdf1 Nf6 32. dxc5 bxc5 33. Nc3 Nd5 34. Nd1 Rf8 1/2-1/2

[Event "Halver-ch"]
[Site "Halver"]
[Date "2002.12.06"]
[Round "8"]
[White "Pietrzak, Oliver"]
[Black "Mantler, Thorben"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "1401"]
[BlackElo "1669"]
[PlyCount "51"]
[EventDate "2002.09.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bb5+ Nbd7 7. f3 Be7 8. Be3 a6 9. Bxd7+ Qxd7 10. a4 0-0 11. 0-0 Qc7 12. Qd2 b6 13. Rfd1 Bb7 14. Qf2 Rac8 15. Nb3 Nd7 16. Rd2 Rfd8 17. Rad1 Nc5 18. Nxc5 dxc5 19. Ne2 Bf6 20. Bf4 Qc6 21. Rxd8+ Rxd8 22. Rxd8+ Bxd8 23. b3 Qd7 24. Qe1 c4 25. Qd2 Qxd2 26. Bxd2 1/2-1/2

[Event "Halver-ch"]
[Site "Halver"]
[Date "2002.11.29"]
[Round "7"]
[White "Ertelt, Pornchai"]
[Black "Pietrzak, Oliver"]
[Result "1/2-1/2"]
[ECO "C53"]
[WhiteElo "1215"]
[BlackElo "1401"]
[PlyCount "73"]
[EventDate "2002.09.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 d6 8. Qb3 0-0 9. 0-0 Bxc3 10. bxc3 Nxe4 11. Re1 Na5 12. Bxf7+ Rxf7 13. Qd5 Bf5 14. Qxa5 c6 15. Qb4 Qf6 16. Qb3 Bg4 17. Rxe4 Bxf3 18. Rf4 Bd5 19. c4 Qe7 20. Be3 Rxf4 21. Bxf4 Re8 22. Be3 Be4 23. c5+ d5 24. Re1 Qf7 25. Bd2 Rf8 26. Qg3 Qf6 27. Be3 Qg6 28. Qxg6 Bxg6 29. Bd2 Re8 30. Rxe8+ Bxe8 31. Ba5 Bg6 32. f4 Bd3 33. g4 g6 34. h4 Kf7 35. Kf2 Kf6 36. Kg3 Be4 37. a3 1/2-1/2

[Event "Halver-ch"]
[Site "Halver"]
[Date "2002.11.22"]
[Round "6"]
[White "Pietrzak, Oliver"]
[Black "Mirus, Lothar"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1401"]
[BlackElo "1394"]
[PlyCount "112"]
[EventDate "2002.09.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Nd2 d5 9. exd5 Nxd5 10. Nxd5 Bxd5 11. Nf3 Nc6 12. c3 Be7 13. Be2 0-0 14. c4 Be6 15. 0-0 e4 16. Nd4 Nxd4 17. Bxd4 Qc7 18. Qc2 f5 19. Qc3 Bf6 20. Bxf6 Rxf6 21. f3 exf3 22. Rxf3 Rh6 23. h3 Rg6 24. Raf1 Rf8 25. Bd3 Qc5+ 26. Kh1 Rgf6 27. b4 Qc8 28. a4 b5 29. axb5 axb5 30. c5 Qc6 31. Qc2 g6 32. Qe2 Bd5 33. Rf4 Re8 34. Qd2 Kg7 35. Bxb5 Bxg2+ 36. Qxg2 Qxb5 37. Rxf5 Rxf5 38. Rxf5 Re1+ 39. Kh2 Re2 40. Rf2 Qb8+ 41. Kg1 Re1+ 42. Rf1 Qxb4 43. Rxe1 Qxe1+ 44. Qf1 Qg3+ 45. Kh1 Qc3 46. Qg1 Qxh3+ 47. Qh2 Qf1+ 48. Qg1 Qxg1+ 49. Kxg1 Kf7 50. Kf2 Ke6 51. Ke3 Kd5 52. Kf4 Kxc5 53. Ke5 h5 54. Kf4 Kd5 55. Kg5 Ke4 56. Kh4 Kf3 0-1

[Event "Halver-ch"]
[Site "Halver"]
[Date "2002.10.11"]
[Round "4"]
[White "Kleinschmidt, Uwe"]
[Black "Pietrzak, Oliver"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1828"]
[BlackElo "1406"]
[PlyCount "181"]
[EventDate "2002.09.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nc3 d5 2. d3 e5 3. g3 Nc6 4. Bg2 Be6 5. a3 h6 6. e4 Nf6 7. exd5 Nxd5 8. Nge2 Be7 9. 0-0 Qd7 10. b4 Nxc3 11. Nxc3 Bh3 12. Be3 Bxg2 13. Kxg2 0-0 14. Ne4 Nd4 15. c3 Nf5 16. Qe2 b6 17. a4 Nd6 18. Rfd1 Nxe4 19. dxe4 Qc6 20. Bd2 Rad8 21. Kg1 Rd7 22. b5 Qe6 23. Be3 Rfd8 24. Rxd7 Qxd7 25. Rc1 Qd3 26. Qxd3 Rxd3 27. Kf1 Ba3 28. Rc2 Rd1+ 29. Ke2 Ra1 30. a5 Bd6 31. a6 Rb1 32. c4 Rb4 33. Bd2 Ra4 34. Bc1 Bc5 35. f4 f6 36. Bb2 Bd6 37. f5 Kf7 38. Bc1 Bc5 39. Kf3 Rb4 40. Kg4 Rb3 41. Kh5 Rd3 42. Rd2 Rxd2 43. Bxd2 Bf8 44. h4 Bc5 45. Kg4 Bd6 46. h5 Bc5 47. Kf3 Ke8 48. Ke2 Kd7 49. Kd3 Ke7 50. Kc3 Kd7 51. Kb3 Ke7 52. Bb4 Kd7 53. Bd2 Ke7 54. Kc3 Kd7 55. Kd3 Ke7 56. Ke2 Ke8 57. Kf3 Kf7 58. g4 Be7 59. Kg3 Bc5 60. Kf3 Be7 61. Be3 Ke8 62. Bf2 Kf8 63. Ke2 Ke8 64. Kd3 Bc5 65. Be3 Ke7 66. Bd2 Kd7 67. Be1 Ke8 68. Bh4 Kf7 69. Bg3 Ke8 70. Ke2 Ke7 71. Kf3 Kf7 72. Bh4 Be7 73. c5 Bxc5 74. Ke2 Ke7 75. Kd3 Kd6 76. Kc4 Be3 77. Be1 Bc5 78. Bd2 Ba3 79. Bc3 Bc5 80. Bb2 Be3 81. Ba3+ Bc5 82. Bxc5+ bxc5 83. Kc3 c6 84. b6 axb6 85. a7 b5 86. a8Q c4 87. Qf8+ Kc7 88. Qxg7+ Kb6 89. Qxf6 Kc5 90. Qxe5+ Kb6 91. Kb4 1-0

[Event "Halver-ch"]
[Site "Halver"]
[Date "2002.10.04"]
[Round "3"]
[White "Pietrzak, Oliver"]
[Black "Kelbling, Alexander"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1406"]
[PlyCount "87"]
[EventDate "2002.09.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. h3 0-0 6. Bg5 Nd4 7. Nxd4 Bxd4 8. c3 Bb6 9. 0-0 c6 10. Bc4 d5 11. Bxf6 gxf6 12. Bb3 Be6 13. Qf3 Kh8 14. Bc2 Qe7 15. Qh5 d4 16. c4 Rg8 17. f4 Bc7 18. f5 Bd7 19. Nd2 Rg7 20. Nf3 Rag8 21. g4 Qb4 22. Rab1 Qd6 23. Kf2 c5 24. Rg1 Bd8 25. Qh6 b5 26. b3 a6 27. Rg2 b4 28. Nd2 Qb6 29. Ra1 Qa5 30. Nb1 Qc7 31. Kf3 a5 32. h4 Bc6 33. Nd2 Qa7 34. Rgg1 a4 35. Qh5 Be7 36. Kf2 Qa8 37. Nf3 Qe8 38. Rg3 h6 39. Qxh6+ Rh7 40. Qd2 Rhg7 41. Rag1 axb3 42. Bxb3 Ba4 43. g5 Qd8 44. Bxa4 1-0

[Event "Halver-ch"]
[Site "Halver"]
[Date "2002.09.20"]
[Round "2"]
[White "Kelbling, Philipp"]
[Black "Pietrzak, Oliver"]
[Result "1-0"]
[ECO "D21"]
[BlackElo "1406"]
[PlyCount "63"]
[EventDate "2002.09.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e4 b6 5. Bxc4 Bb7 6. Nc3 Bb4 7. e5 Ne7 8. 0-0 Nf5 9. Qa4+ Nc6 10. Bb5 Qd7 11. Bxc6 Qxc6 12. Qxb4 0-0-0 13. Rd1 Rhg8 14. Bf4 g5 15. Be3 g4 16. Ne1 Nh4 17. Qb5 Qxb5 18. Nxb5 a6 19. Nc3 h5 20. Nd3 Nxg2 21. Nf4 Nxf4 22. Bxf4 Rg6 23. Bg3 Rh8 24. Bh4 Rgg8 25. d5 exd5 26. Nxd5 Re8 27. Rac1 Bxd5 28. Rxd5 Re6 29. Rd6 Rhe8 30. Bf6 Kb8 31. Rd7 c6 32. Rxf7 1-0

[Event "Sauerland Bezirksliga 0102"]
[Site "Sauerland"]
[Date "2002.02.24"]
[Round "?"]
[White "Bergmann, Walter"]
[Black "Pietrzak, Oliver"]
[Result "1/2-1/2"]
[ECO "C55"]
[PlyCount "78"]
[EventDate "2001.09.23"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]
[WhiteTeam "Halver III"]
[BlackTeam "Koenigsspringer Luedenscheid II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. Nf3 Bc5 5. h3 d6 6. a3 Nd4 7. d3 a6 8. Ng5 0-0 9. 0-0 Qe8 10. Nd5 Nxd5 11. exd5 f6 12. Nf3 Qh5 13. Nxd4 Qxd1 14. Rxd1 Bxd4 15. c3 Ba7 16. Re1 b5 17. Bb3 Bf5 18. Bc2 Rfe8 19. Be3 Bxe3 20. Rxe3 Re7 21. Rae1 Rae8 22. f3 h6 23. Bb3 Rb8 24. Kf2 Kf8 25. R1e2 g5 26. c4 Rb6 27. a4 b4 28. a5 Rb8 29. Ba4 Bd7 30. Bxd7 Rxd7 31. b3 Re8 32. d4 Rde7 33. dxe5 Rxe5 34. Rxe5 Rxe5 35. Rxe5 fxe5 36. Kg3 Kf7 37. Kf2 Kf6 38. Ke3 h5 39. g4 h4 1/2-1/2

[Event "Halver Cup"]
[Site "Halver"]
[Date "2001.06.29"]
[Round "7"]
[White "Pietrzak, Oliver"]
[Black "Radczewill, Horst"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1333"]
[BlackElo "1565"]
[PlyCount "24"]
[EventDate "2001.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 Bg4 5. Nc3 e6 6. Bd3 Nbd7 7. 0-0 e5 8. dxe5 Nxe5 9. cxd5 Nxf3+ 10. gxf3 Bh3 11. Re1 Nxd5 12. Nxd5 Qg5+ 0-1

[Event "Halver Cup"]
[Site "Halver"]
[Date "2001.05.25"]
[Round "4"]
[White "Schaefer, Arnold"]
[Black "Pietrzak, Oliver"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1400"]
[BlackElo "1333"]
[PlyCount "71"]
[EventDate "2001.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e3 Bb4 4. g3 c6 5. Nge2 d5 6. cxd5 Nxd5 7. Bg2 Nd7 8. a3 Bxc3 9. bxc3 0-0 10. 0-0 a5 11. c4 N5f6 12. Rb1 e5 13. Qc2 Re8 14. Rd1 Qc7 15. d3 Ra7 16. e4 b6 17. Be3 c5 18. f3 Ba6 19. a4 Nb8 20. Bh3 Nc6 21. f4 Nb4 22. Rxb4 axb4 23. fxe5 Qxe5 24. Bf4 Qh5 25. Kg2 b3 26. Qb2 Bc8 27. Bxc8 Rxc8 28. h3 Rxa4 29. g4 Nxg4 30. Kg3 Ne5 31. Bxe5 Qxe5+ 32. Qxe5 Ra2 33. Nc3 Ra6 34. Nd5 Rca8 35. Nc7 f6 36. Qd5+ 1-0

[Event "Halver Cup"]
[Site "Halver"]
[Date "2001.05.18"]
[Round "3"]
[White "Raatz, Gerhard"]
[Black "Pietrzak, Oliver"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1168"]
[BlackElo "1333"]
[PlyCount "37"]
[EventDate "2001.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 b6 6. Bb5 Be7 7. Bc6 Rb8 8. dxe5 dxe5 9. Nxe5 h6 10. Bxf6 Bxf6 11. Qd5 Bxe5 12. Qxe5+ Qe7 13. Qxg7 Qf8 14. Qe5+ Kd8 15. 0-0-0 f6 16. Qe6 Rh7 17. Rd3 Re7 18. Qf5 Qf7 19. Rhd1 1-0

[Event "Halver Cup"]
[Site "Halver"]
[Date "2001.05.11"]
[Round "2"]
[White "Pietrzak, Oliver"]
[Black "Mantler, Thorben"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1333"]
[BlackElo "1520"]
[PlyCount "104"]
[EventDate "2001.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. Bg5 e6 4. Nc3 Nc6 5. e3 d5 6. Bb5 a6 7. Bd3 c4 8. Be2 Be7 9. 0-0 0-0 10. b3 Qa5 11. Bxf6 Bxf6 12. Qd2 b5 13. e4 dxe4 14. Nxe4 Qxd2 15. Nexd2 Nxd4 16. Nxd4 Bxd4 17. Rad1 cxb3 18. Nxb3 Bb6 19. Nd4 Bb7 20. Bf3 Bxf3 21. Nxf3 Rac8 22. Rd6 Bd8 23. Rxa6 Rxc2 24. Nd4 Rc5 25. Rb1 b4 26. Rc6 Be7 27. Rxc5 Bxc5 28. Nc6 Rc8 29. Ne5 Be7 30. g3 Rc2 31. Nd3 Rxa2 32. Nxb4 Bxb4 33. Rxb4 f5 34. Rb8+ Kf7 35. Rb7+ Kf6 36. Kg2 h5 37. Rb8 Ra7 38. Rf8+ Rf7 39. Rxf7+ Kxf7 40. Kf3 Kf6 41. Ke3 g5 42. h4 e5 43. hxg5+ Kxg5 44. f4+ exf4+ 45. gxf4+ Kg4 46. Ke2 Kxf4 47. Kf2 Kg4 48. Kg2 f4 49. Kf2 f3 50. Kf1 Kg3 51. Kg1 f2+ 52. Kf1 h4 0-1

[Event "Halver Cup"]
[Site "Halver"]
[Date "2001.05.04"]
[Round "1"]
[White "Kleinschmidt, Uwe"]
[Black "Pietrzak, Oliver"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1901"]
[BlackElo "1333"]
[PlyCount "65"]
[EventDate "2001.05.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Nc6 4. d4 Bf5 5. a3 g6 6. 0-0 Bg7 7. Re1 0-0 8. c3 Qd7 9. Ne5 Qe6 10. f4 Be4 11. Nd2 Bxg2 12. Kxg2 Ng4 13. Ndf3 Ncxe5 14. dxe5 Rad8 15. h3 Nh6 16. Qa4 a6 17. Be3 f6 18. Nd4 Qd7 19. Qxd7 Rxd7 20. Ne6 Rf7 21. g4 fxe5 22. fxe5 b6 23. Rad1 Kh8 24. c4 c6 25. cxd5 Rxd5 26. Rxd5 cxd5 27. Rd1 Ng8 28. Rxd5 b5 29. Bd4 Bh6 30. g5 Bg7 31. Nxg7 Kxg7 32. e6+ Kf8 33. Rd8# 1-0

