[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2001.11.20"]
[Round "5"]
[White "Irrgang, Michael"]
[Black "Cohnen, Michael"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "1928"]
[BlackElo "1705"]
[PlyCount "90"]
[EventDate "2001.10.??"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. f4 0-0 8. Qf3 a6 9. 0-0-0 Qc7 10. g4 Nc6 11. Nde2 b5 12. Bxf6 Bxf6 13. g5 Bxc3 14. Qxc3 Bb7 15. Bg2 Rac8 16. Rd2 b4 17. Qg3 Ne7 18. Nd4 d5 19. e5 Nc6 20. Qe3 Nxd4 21. Qxd4 Qc4 22. Kb1 Qxd4 23. Rxd4 a5 24. Rc1 Ba6 25. b3 Rc3 26. Kb2 Rfc8 27. Rd2 Kf8 28. a3 a4 29. Ra1 axb3 30. cxb3 bxa3+ 31. Rxa3 Bd3 32. Ra8 Rxb3+ 33. Kxb3 Bc4+ 34. Kc3 Rxa8 35. h4 Ra2 36. Rxa2 Bxa2 37. Bf1 Bb1 38. Kd4 Ke7 39. Bb5 f6 40. Bc6 fxg5 41. fxg5 Kf7 42. Bb5 Kg6 43. Be2 Kf5 44. Bd1 Kf4 45. Be2 Bf5 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2001.11.12"]
[Round "4"]
[White "Sadeghi, Seid"]
[Black "Irrgang, Michael"]
[Result "0-1"]
[ECO "A85"]
[BlackElo "1928"]
[PlyCount "106"]
[EventDate "2001.10.??"]
[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 f5 2. e3 Nf6 3. c4 e6 4. Nc3 Bb4 5. Bd3 0-0 6. Nf3 Qe8 7. 0-0 Bxc3 8. bxc3 d6 9. Qc2 Nc6 10. Ba3 g6 11. c5 Qd8 12. Rad1 b6 13. cxb6 cxb6 14. Bb5 Bb7 15. Bc4 Re8 16. Ng5 d5 17. Bb5 Rc8 18. f4 Qc7 19. Rc1 h6 20. Nf3 Red8 21. Bxc6 Bxc6 22. Ne5 Be8 23. c4 Nd7 24. Be7 Nxe5 25. Bxd8 Qxd8 26. fxe5 dxc4 27. Qd2 b5 28. a3 Bc6 29. Rc3 Be4 30. Qb2 a6 31. Rfc1 Qd7 32. Qf2 Qe7 33. Qf4 Kg7 34. g3 Bd5 35. Qf2 Ba8 36. h4 Qb7 37. Kh2 Qe7 38. Qb2 Bd5 39. Qb4 Qc7 40. Ra1 g5 41. Rg1 Rb8 42. Qb2 a5 43. Qd2 Kg6 44. Rb1 b4 45. axb4 axb4 46. Rcc1 c3 47. Qd1 Qc4 48. Ra1 Rc8 49. Qf1 Qxf1 50. Rxf1 b3 51. Ra5 c2 52. Rc5 Rxc5 53. dxc5 b2 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2001.11.06"]
[Round "3"]
[White "Irrgang, Michael"]
[Black "Steinert, Roland"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "1928"]
[BlackElo "1850"]
[PlyCount "88"]
[EventDate "2001.10.??"]
[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 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 c6 5. Nf3 d5 6. exd5 cxd5 7. Bb5+ Bd7 8. 0-0 d4 9. Bxd7+ Nbxd7 10. Ne2 Nd5 11. Ng3 0-0 12. Nf5 Ne7 13. Nxe7+ Bxe7 14. Re1 Bf6 15. Bd2 Qb6 16. Rb1 Rac8 17. c4 e4 18. dxe4 Rxc4 19. b3 Rc5 20. Bc1 Rfc8 21. Bb2 Rc2 22. e5 Bxe5 23. Nxe5 Nxe5 24. Rxe5 d3 25. Re3 d2 26. Rd3 Rxb2 27. Rxb2 Rc1 28. Rbxd2 Rxd1+ 29. Rxd1 g6 30. h3 a5 31. a4 Qe6 32. Re3 Qc6 33. Rf3 b5 34. axb5 Qxb5 35. Rd8+ Kg7 36. Ra8 Qc6 37. Rd8 Qc1+ 38. Kh2 Qc7+ 39. g3 Qxd8 40. Kg2 Qd5 41. g4 f5 42. Kg3 Qe5+ 43. Kg2 f4 44. h4 Qe4 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2001.10.30"]
[Round "2"]
[White "Ziabari, Morteza"]
[Black "Irrgang, Michael"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "1714"]
[BlackElo "1928"]
[PlyCount "61"]
[EventDate "2001.10.??"]
[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 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be3 e6 7. g4 d5 8. e5 Nfd7 9. f4 Be7 10. Qd2 Nc6 11. 0-0-0 Nxd4 12. Bxd4 b5 13. Qf2 Qa5 14. b3 Bb4 15. Qe3 Bb7 16. Kb1 Rc8 17. Ne2 Qc7 18. c3 Ba3 19. h4 b4 20. Rh3 bxc3 21. Nxc3 0-0 22. f5 Bc5 23. Re1 Bxd4 24. Qxd4 Qc5 25. Qd2 Qb4 26. f6 Qxg4 27. Qg5 Qxg5 28. hxg5 d4 29. Bd3 Rxc3 30. Bxh7+ Kh8 31. Bd3+ 1/2-1/2

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "2001.10.23"]
[Round "1"]
[White "Irrgang, Michael"]
[Black "Schlueter, Juergen"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "1928"]
[BlackElo "1477"]
[PlyCount "76"]
[EventDate "2001.10.??"]
[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 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 0-0 5. Na4 Be7 6. Ne2 c6 7. Nac3 d5 8. exd5 cxd5 9. Bb3 Nc6 10. 0-0 Re8 11. d4 exd4 12. Nxd4 Na5 13. Bf4 Nxb3 14. axb3 a6 15. h3 Bb4 16. Qf3 Bxc3 17. Qxc3 Be6 18. Qd3 Qd7 19. Rad1 Nh5 20. Bg5 h6 21. Bc1 Nf6 22. f3 Rac8 23. Rfe1 Qd6 24. Ne2 Qd7 25. Nf4 Qc6 26. Re2 Rc7 27. Be3 Qd7 28. Bd4 Bf5 29. Rxe8+ Nxe8 30. Qe3 Rxc2 31. Nxd5 Qe6 32. Ne7+ Kh7 33. Nxf5 Qxf5 34. Qxe8 Rxg2+ 35. Kxg2 Qc2+ 36. Kg3 Qg6+ 37. Kf2 Qc2+ 38. Qe2 Qf5 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "1999.??.??"]
[Round "?"]
[White "Brausewetter, Joerg"]
[Black "Irrgang, Michael"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "27"]
[EventDate "1999.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 e6 6. Bc4 Be7 7. 0-0 Nf6 8. Qe2 a6 9. Rd1 e5 10. Nxe5 0-0 11. Bf4 Qb6 12. Nf3 Bg4 13. b3 Rd8 14. Rd5 1/2-1/2

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "1999.??.??"]
[Round "?"]
[White "Irrgang, Michael"]
[Black "Bergzog, Thomas"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "83"]
[EventDate "1999.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. c4 a5 4. b5 b6 5. d4 Nd7 6. e3 Bb7 7. Nf3 e4 8. Nfd2 Ngf6 9. Nc3 g6 10. d5 Bg7 11. Ncxe4 0-0 12. Nxf6+ Bxf6 13. Bxf6 Qxf6 14. Be2 Qc3 15. Rc1 Qa3 16. Qc2 f5 17. 0-0 a4 18. Nf3 Rfe8 19. Nd4 Re5 20. Rfd1 Nc5 21. Bd3 Qb4 22. Rd2 a3 23. Rb1 Qa4 24. Qc3 Rae8 25. Bc2 Qa8 26. Re2 R8e7 27. Rbe1 Ne4 28. Bxe4 fxe4 29. Rb1 Qa4 30. Rb3 Rg5 31. Nc2 Qa5 32. Qxa5 bxa5 33. Rxa3 Bc8 34. Rxa5 Rf7 35. Nd4 Bg4 36. Rb2 Bf3 37. Ra8+ Kg7 38. Ne6+ Kh6 39. Nxg5 Kxg5 40. gxf3 exf3 41. Ra7 Kh4 42. b6 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "1999.??.??"]
[Round "?"]
[White "Irrgang, Michael"]
[Black "Jansen, Dirk Norbert"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "105"]
[EventDate "1999.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bg5 0-0 8. Bd3 Bxc3+ 9. bxc3 h6 10. Bh4 g5 11. Bg3 d5 12. exd5 Qxd5 13. Qd2 Bh3 14. f3 e4 15. c4 Qe6 16. Nc5 Qe7 17. Nxe4 Nxe4 18. fxe4 Bf5 19. 0-0 Bxe4 20. Rae1 Rad8 21. Qc3 f5 22. c5 Qg7 23. Qxg7+ Kxg7 24. Bxe4 fxe4 25. Rxf8 Rxf8 26. Rxe4 Rf5 27. Bf2 Rd5 28. Be3 Kf6 29. g4 Rd1+ 30. Kf2 Ra1 31. Ra4 Ke5 32. h4 gxh4 33. Bxh6 Rb1 34. Bg7+ Kd5 35. g5 Rb4 36. Rxb4 Nxb4 37. Kf3 Nxa2 38. Bf8 Nb4 39. c4+ Ke6 40. Kg4 h3 41. Kxh3 Kf5 42. Kh4 Kg6 43. Kg4 Nc6 44. Bd6 a5 45. Bf4 a4 46. Bd2 Ne5+ 47. Kf4 Nxc4 48. Bc3 a3 49. Bf6 a2 50. Ke4 Nd2+ 51. Kd5 Nb3 52. Kd6 Kf5 53. Kd5 1/2-1/2

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "1999.??.??"]
[Round "?"]
[White "Irrgang, Michael"]
[Black "Vitz, Hans Joachim"]
[Result "1-0"]
[ECO "D03"]
[PlyCount "37"]
[EventDate "1999.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c3 d5 2. d4 e6 3. Nf3 Nf6 4. Bg5 c5 5. Nbd2 Nc6 6. e3 h6 7. Bh4 Be7 8. Rc1 b6 9. Bd3 Bb7 10. 0-0 0-0 11. Bb1 Re8 12. Qc2 cxd4 13. exd4 Rc8 14. Qd3 g6 15. Bg3 Nh5 16. Ne5 Nxg3 17. Nxf7 Kxf7 18. Qxg6+ Kf8 19. fxg3+ 1-0

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "1999.??.??"]
[Round "?"]
[White "Klyszcz, Michael"]
[Black "Irrgang, Michael"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2023"]
[PlyCount "73"]
[EventDate "1999.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 Nf6 4. Bg2 Be7 5. d3 0-0 6. e4 Nc6 7. Nge2 Bd7 8. 0-0 Qc8 9. f4 Bh3 10. f5 Bxg2 11. Kxg2 Rd8 12. h3 Nd4 13. Nxd4 exd4 14. Nd5 Nxd5 15. cxd5 c5 16. Qe2 a6 17. Bf4 Rd7 18. Bh6 gxh6 19. f6 Bf8 20. Rf4 Qc7 21. Raf1 Re8 22. Rg4+ Kh8 23. Qf3 Re5 24. h4 b5 25. b3 Rd8 26. Qf4 Rde8 27. Rg5 c4 28. bxc4 bxc4 29. Qg4 hxg5 30. hxg5 cxd3 31. Rh1 Qc2+ 32. Kg1 Rxe4 33. Rxh7+ Kxh7 34. g6+ fxg6 35. Qd7+ R8e7 36. Qh3+ Bh6 37. Qf1 0-1

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "1999.??.??"]
[Round "?"]
[White "Kouznetsova, Elena"]
[Black "Irrgang, Michael"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "81"]
[EventDate "1999.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. f4 0-0 9. Kh1 d5 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Bf3 Qa5 13. Bd2 Qc7 14. Bc3 Bd7 15. Be4 Rd8 16. Qh5 g6 17. Qh6 Bf8 18. Qg5 Bg7 19. Ba5 b6 20. Bxa8 Bxd4 21. Bc3 Bxc3 22. bxc3 Nc6 23. Bxc6 Bxc6 24. Rad1 Rc8 25. Rfe1 Bd5 26. Re3 Bxa2 27. f5 exf5 28. Re7 Qxc3 29. Red7 Qb2 30. Qe7 Kg7 31. R7d4 Qb5 32. Rb4 Qc5 33. Qxc5 Rxc5 34. Rxb6 Rxc2 35. h3 Be6 36. Rxa6 h5 37. Kh2 Kf6 38. Kg3 Kg5 39. h4+ Kf6 40. Ra4 Rc3+ 41. Kf4 1/2-1/2

[Event "Troisdorf op"]
[Site "Troisdorf"]
[Date "1999.??.??"]
[Round "?"]
[White "Schlamp, Frank"]
[Black "Irrgang, Michael"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2164"]
[PlyCount "81"]
[EventDate "1999.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. e3 Nf6 4. Bd3 c5 5. c3 Be7 6. 0-0 0-0 7. Nbd2 Nbd7 8. Qe2 c4 9. Bc2 a6 10. e4 b5 11. e5 Ne8 12. Re1 f5 13. exf6 Ndxf6 14. Nf1 Bd6 15. Ne5 Nc7 16. Ng3 a5 17. Bg5 Qe8 18. Rad1 b4 19. Bb1 b3 20. a3 Nb5 21. Bd2 a4 22. Qe3 Nxa3 23. bxa3 Bxa3 24. Qe2 Bb2 25. Bg5 Bxc3 26. Bxf6 Rxf6 27. Ne4 dxe4 28. Qxe4 Rh6 29. Re3 Bxd4 30. Rxd4 Ba6 31. Nxc4 Rc8 32. Re1 Qh5 33. h3 Qc5 34. Bd3 Rb8 35. Ne5 Bb7 36. Qe3 Qa5 37. Ng4 Bd5 38. Nxh6+ gxh6 39. Rg4+ Kf7 40. Qf4+ Ke7 41. Rg7+ 1-0

