[Event "Pfalz BEM-ch"]
[Site "Mutterstadt"]
[Date "1999.??.??"]
[Round "4"]
[White "Drueke, Volker"]
[Black "Zwirtz, Stefan"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "72"]
[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 g6 2. e4 Bg7 3. Nc3 d6 4. Bc4 Nf6 5. h4 Nc6 6. Be3 Ng4 7. Qf3 0-0 8. 0-0-0 Nxe3 9. fxe3 h5 10. Qg3 Na5 11. Bd3 Be6 12. d5 Bg4 13. Nce2 b6 14. Ba6 Rb8 15. Rd3 b5 16. b4 Nc4 17. a4 e6 18. Bxb5 Qf6 19. Bxc4 Qa1+ 20. Kd2 Rxb4 21. Bb3 Rfb8 22. Qe1 Qf6 23. dxe6 Bxe6 24. Nf4 Bxb3 25. cxb3 Rxb3 26. Rxb3 Rxb3 27. Ke2 Qb2+ 28. Kf3 Bd4 29. Nd5 c6 30. Ne7+ Kg7 31. Nf5+ gxf5 32. Qg3+ Kh7 33. Qxd6 Rxe3+ 34. Kf4 Rxe4+ 35. Kxf5 Re5+ 36. Kf4 Qd2+ 0-1

[Event "Pfalz BEM-ch"]
[Site "Mutterstadt"]
[Date "1999.??.??"]
[Round "1"]
[White "Hoehler, Waldemar"]
[Black "Zwirtz, Stefan"]
[Result "1-0"]
[ECO "A16"]
[PlyCount "45"]
[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. Nf3 g6 2. c4 Bg7 3. Nc3 d6 4. g3 Nf6 5. Bg2 0-0 6. 0-0 Nbd7 7. Rb1 Ng4 8. d3 Nge5 9. Ne1 Rb8 10. Bd2 Nf6 11. b4 Bd7 12. h3 Qc8 13. Kh2 a6 14. Nc2 Bc6 15. Nd5 Nxd5 16. cxd5 Ba4 17. Qc1 Bb5 18. f4 Nd7 19. Na3 Ra8 20. Bc3 Nf6 21. Qb2 Qf5 22. Nc2 Bxd3 23. Ne3 1-0

[Event "Pfalz BEM-ch"]
[Site "Mutterstadt"]
[Date "1999.??.??"]
[Round "2"]
[White "Zwirtz, Stefan"]
[Black "Kitt, Michael"]
[Result "0-1"]
[ECO "D11"]
[PlyCount "52"]
[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 d5 2. c4 c6 3. Nf3 dxc4 4. e3 b5 5. Bd2 Nf6 6. a4 e6 7. Be2 a5 8. 0-0 Ne4 9. b3 Nd6 10. Na3 cxb3 11. Qxb3 b4 12. Nc4 Ne4 13. Rfc1 Ba6 14. Bd3 Qd5 15. Bxe4 Qxe4 16. Rc2 Nd7 17. Rac1 Bxc4 18. Rxc4 Rc8 19. Qc2 Qxc2 20. R1xc2 c5 21. Ne5 Nb6 22. Rxc5 Bxc5 23. Nd3 Nxa4 24. Nxc5 Nxc5 25. Rxc5 Rxc5 26. dxc5 Kd7 0-1

[Event "Pfalz BEM-ch"]
[Site "Mutterstadt"]
[Date "1999.??.??"]
[Round "5"]
[White "Zwirtz, Stefan"]
[Black "Mandery, Christian"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "117"]
[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 d5 2. Nf3 c5 3. c3 Nc6 4. Nbd2 Nf6 5. Qc2 e6 6. e4 cxd4 7. cxd4 dxe4 8. Nxe4 Nxd4 9. Nxf6+ Qxf6 10. Qa4+ Nc6 11. Be2 Bb4+ 12. Nd2 0-0 13. Qb3 b6 14. 0-0 Bb7 15. Bf3 Bc5 16. Ne4 Qe5 17. Nxc5 Qxc5 18. Be3 Qe7 19. Rfd1 Rfd8 20. Rac1 Rxd1+ 21. Rxd1 Rd8 22. Rxd8+ Qxd8 23. Qd1 Qxd1+ 24. Bxd1 Kf8 25. Bf3 Na5 26. Bxb7 Nxb7 27. b4 Ke7 28. Kf1 Nd6 29. Ke2 Nf5 30. Kd3 Nxe3 31. Kxe3 Kd6 32. Kd4 a6 33. f4 f6 34. g4 g6 35. h4 h6 36. Ke4 Kc6 37. a4 Kd6 38. f5 gxf5+ 39. gxf5 Ke7 40. Kf4 h5 41. Ke4 Kd6 42. Kf4 Kd5 43. fxe6 Kxe6 44. Ke4 b5 45. axb5 axb5 46. Kf4 Kd5 47. Kf5 Kc4 48. Kxf6 Kxb4 49. Kg5 Kc4 50. Kxh5 b4 51. Kg6 b3 52. h5 b2 53. h6 b1Q+ 54. Kg7 Qb7+ 55. Kg6 Qc8 56. h7 Qh8 57. Kh6 Kd5 58. Kg6 Ke6 59. Kh6 0-1

[Event "Mehlingen op"]
[Site "Mehlingen"]
[Date "1997.??.??"]
[Round "1"]
[White "Chiviksin, Valerie"]
[Black "Zwirtz, Stefan"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "29"]
[EventDate "1997.05.??"]
[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 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. f3 0-0 6. Be3 Nbd7 7. Bd3 c5 8. Nge2 e5 9. d5 a6 10. 0-0 Nb6 11. a3 Bd7 12. b4 Rc8 13. bxc5 dxc5 14. Rb1 Ne8 15. Qb3 1-0

[Event "Mehlingen op"]
[Site "Mehlingen"]
[Date "1997.??.??"]
[Round "6"]
[White "Gerst, Manuel"]
[Black "Zwirtz, Stefan"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "37"]
[EventDate "1997.05.??"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Bd3 0-0 6. Nf3 Bg4 7. Be3 c6 8. h3 Bxf3 9. Qxf3 Nbd7 10. e5 dxe5 11. dxe5 Ne8 12. 0-0-0 Qc7 13. h4 b5 14. h5 b4 15. hxg6 fxg6 16. Bc4+ Kh8 17. Rxh7+ Kxh7 18. Qh3+ Bh6 19. Rh1 1-0

[Event "Mehlingen op"]
[Site "Mehlingen"]
[Date "1997.??.??"]
[Round "4"]
[White "Richtscheid, Jens"]
[Black "Zwirtz, Stefan"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "92"]
[EventDate "1997.05.??"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 0-0 6. Qd2 Nbd7 7. Nge2 c6 8. g4 Qc7 9. h4 e5 10. 0-0-0 a6 11. h5 b5 12. Ng3 Bb7 13. Qh2 exd4 14. Bxd4 Ne5 15. Be2 Bh6+ 16. Kb1 Bf4 17. hxg6 fxg6 18. Qf2 c5 19. Be3 Bxe3 20. Qxe3 b4 21. Nd5 Bxd5 22. exd5 Qb7 23. f4 Nexg4 24. Bxg4 Nxg4 25. Qe6+ Qf7 26. Qxg4 Qxf4 27. Qxf4 Rxf4 28. Rhf1 Raf8 29. Kc1 h5 30. Rxf4 Rxf4 31. Rf1 Rxf1+ 32. Nxf1 h4 33. Kd2 Kg7 34. Ke3 Kf6 35. Kf3 Ke5 36. Kg4 Kxd5 37. Kxh4 Ke4 38. Kg5 d5 39. Kxg6 d4 40. Nd2+ Ke3 41. Nc4+ Ke2 42. Kf5 Kd1 43. Ke5 Kxc2 44. Kd5 d3 45. Kxc5 d2 46. Nxd2 Kxb2 1/2-1/2

[Event "Mehlingen op"]
[Site "Mehlingen"]
[Date "1997.??.??"]
[Round "5"]
[White "Zwirtz, Stefan"]
[Black "Hauck, Bernd"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "30"]
[EventDate "1997.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d5 6. cxd5 Nxd5 7. 0-0 e5 8. Qb3 c6 9. d3 Na6 10. Ne4 Qc7 11. d4 exd4 12. Bf4 Nxf4 13. gxf4 Qxf4 14. Nfd2 Be5 15. Qf3 Qxh2# 0-1

[Event "Mehlingen op"]
[Site "Mehlingen"]
[Date "1997.??.??"]
[Round "3"]
[White "Zwirtz, Stefan"]
[Black "Schaefer, Peter"]
[Result "0-1"]
[ECO "A38"]
[BlackElo "1675"]
[PlyCount "70"]
[EventDate "1997.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 g6 5. Nf3 Bg7 6. 0-0 0-0 7. d3 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. Ne1 Qd6 11. Nc2 Bd7 12. Rb1 Rac8 13. Bd2 b5 14. b4 a6 15. bxc5 Qxc5 16. Nb4 a5 17. Nxc6 Bxc6 18. Bxa5 Bxg2 19. Kxg2 Qd5+ 20. Kg1 Qxa2 21. Rxb5 Rc2 22. Qb1 Rxe2 23. Qxa2 Rxa2 24. Rfb1 Ra8 25. Be1 Ra1 26. Rb8+ Rxb8 27. Rxb8+ Bf8 28. Kf1 Kg7 29. Ke2 f6 30. Bc3 Ra2+ 31. Rb2 Ra7 32. f4 e6 33. Ke3 Kf7 34. Bb4 Rb7 35. Bxf8 Rxb2 0-1

[Event "Mehlingen op"]
[Site "Mehlingen"]
[Date "1997.??.??"]
[Round "7"]
[White "Zwirtz, Stefan"]
[Black "Walther, Horst"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "72"]
[EventDate "1997.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 e6 6. 0-0 d5 7. cxd5 exd5 8. d4 Be6 9. Qb3 b6 10. Ng5 Nc6 11. Nxe6 fxe6 12. Bg5 Nxd4 13. Qd1 c5 14. e4 dxe4 15. Nxe4 Rc8 16. Nxf6+ Bxf6 17. Be3 Qe7 18. Bxd4 Bxd4 19. Qe2 Qf6 20. Rae1 Rce8 21. Bh3 e5 22. Qc4+ Kh8 23. Kh1 Bxb2 24. Re2 Bd4 25. Rfe1 Rb8 26. f4 exf4 27. Qe6 Qxe6 28. Rxe6 f3 29. Bf1 f2 30. R1e4 b5 31. Kg2 a5 32. Rxd4 cxd4 33. Re5 d3 34. Bxd3 a4 35. Be2 b4 36. Bf3 Rxf3 0-1

[Event "Pfalz-op"]
[Site "Waldfischbach"]
[Date "1995.??.??"]
[Round "?"]
[White "Bolz, Reiner"]
[Black "Zwirtz, Stefan"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "50"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. 0-0 0-0 8. dxc5 Bxc5 9. e4 Qb6 10. Ng5 g6 11. Qf3 Ne5 12. Qe2 Nxd3 13. Qxd3 Rd8 14. Qf3 h6 15. Qxf6 hxg5 16. Qxg5 d4 17. Nb3 Bd6 18. Qf6 dxc3 19. bxc3 Bf8 20. Be3 Qc7 21. Bd4 Rxd4 22. cxd4 Bg7 23. Qh4 b6 24. Rac1 Qd7 25. e5 Bb7 1-0

[Event "Pfalz-op"]
[Site "Waldfischbach"]
[Date "1995.??.??"]
[Round "?"]
[White "Jennewein, Mathias"]
[Black "Zwirtz, Stefan"]
[Result "1-0"]
[ECO "D55"]
[PlyCount "41"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. Qc2 c6 7. e3 Re8 8. 0-0-0 Bf8 9. Bd3 g6 10. h4 h6 11. Bf4 Nbd7 12. Bxg6 fxg6 13. Qxg6+ Bg7 14. Bxh6 Re7 15. Bg5 Nf8 16. Qd3 Bd7 17. h5 Be8 18. Ne5 Nxh5 19. g4 Bf6 20. gxh5 Bxg5 21. Qe2 1-0

[Event "Pfalz-op"]
[Site "Waldfischbach"]
[Date "1995.??.??"]
[Round "?"]
[White "Zwirtz, Stefan"]
[Black "Grobek, Christian"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "47"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. Na3 Nf6 4. Nxc4 Nc6 5. g3 b6 6. Bg2 Rb8 7. b3 Ba6 8. 0-0 Bxc4 9. bxc4 Nd4 10. Bb2 Nxf3+ 11. Bxf3 e6 12. Bc6+ Nd7 13. d3 Bc5 14. Bxg7 Rg8 15. Bc3 Rg6 16. e3 e5 17. Bxd7+ Qxd7 18. Bxe5 Rg5 19. Bf4 Rg6 20. Rb1 Bd6 21. Qh5 Bxf4 22. exf4 Qxd3 23. Qe5+ Re6 24. Qh8+ 0-1

[Event "Pfalz-op"]
[Site "Waldfischbach"]
[Date "1995.??.??"]
[Round "?"]
[White "Zwirtz, Stefan"]
[Black "Gumbrecht, Emanuel"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "70"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. Na3 e6 4. Nxc4 Nf6 5. b3 b6 6. Bb2 Bb7 7. g3 Nbd7 8. Bg2 Be7 9. 0-0 0-0 10. d3 c5 11. Qd2 Nd5 12. h4 Bf6 13. e4 Bxb2 14. Qxb2 Nb4 15. Rfd1 Nf6 16. Ne1 Ng4 17. d4 Qc7 18. dxc5 Qxc5 19. Nd3 Nxd3 20. Rxd3 Rad8 21. Rad1 Rxd3 22. Rxd3 Qb4 23. Qd2 Qc5 24. Rd4 e5 25. Rd7 b5 26. Nd6 Bc6 27. Rc7 Qb6 28. Rc8 g6 29. Bh3 h5 30. Bxg4 hxg4 31. Rxf8+ Kxf8 32. Qh6+ Kg8 33. Qg5 Qd4 34. Nc8 Qd1+ 35. Kh2 Bxe4 0-1

[Event "Pfalz-op"]
[Site "Waldfischbach"]
[Date "1995.??.??"]
[Round "?"]
[White "Zwirtz, Stefan"]
[Black "Heine, Johannes"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "35"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. Bg2 e5 5. 0-0 Bd6 6. d3 Nge7 7. Re1 Bg4 8. b3 Ng6 9. a3 h5 10. h4 Qd7 11. Qc2 0-0 12. Nbd2 f5 13. Nxe5 Bxe5 14. f3 Bxg3 15. Rf1 Nxh4 16. fxg4 hxg4 17. Rd1 Nxg2 18. Kxg2 0-1

