[Event "GER CupT 1819 prel2"]
[Site "Rostock"]
[Date "2019.01.26"]
[Round "1.4"]
[White "Zitzelsberger, Philipp"]
[Black "Ivens, Birger"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2079"]
[BlackElo "2005"]
[PlyCount "85"]
[EventDate "2019.01.26"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Oranienburg"]
[BlackTeam "Elmshorn"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 d6 5. exd6 cxd6 6. Be2 g6 7. 0-0 Bg7 8. Nbd2 0-0 9. c3 Nf6 10. Nc4 d5 11. Ne3 Ne4 12. Qc2 e6 13. b3 Qa5 14. Bb2 Bd7 15. Bd3 f5 16. a3 Rac8 17. c4 Qd8 18. Qd1 Be8 19. cxd5 exd5 20. Nxd5 Bf7 21. Ne3 Na5 22. Bc2 Qb6 23. b4 Rfd8 24. Rb1 Nc6 25. Bb3 Nxd4 26. Nxd4 Bxd4 27. Bxf7+ Kxf7 28. Qb3+ Qe6 29. Bxd4 Rxd4 30. Qxe6+ Kxe6 31. Rfe1 f4 32. Nd1 Kd5 33. Rb2 Rd3 34. f3 Nd6 35. a4 Rc7 36. Nf2 Rd4 37. Reb1 Rc3 38. h3 Nc4 39. Rb3 Rc2 40. Ne4 Nd2 41. R3b2 Rxb2 42. Rxb2 Nxe4 43. fxe4+ 1/2-1/2

[Event "London Classic op"]
[Site "London"]
[Date "2009.12.15"]
[Round "9"]
[White "Ivens, Birger"]
[Black "De Lagontrie, Jean"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2052"]
[BlackElo "1855"]
[PlyCount "26"]
[EventDate "2009.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. c3 Nc6 5. Qc2 g6 6. g3 Bg7 7. Bg2 Nge7 8. Ne2 0-0 9. 0-0 b6 10. f4 Ba6 11. e5 Rc8 12. Nf3 d4 13. c4 Bb7 1/2-1/2

[Event "London Classic op"]
[Site "London"]
[Date "2009.12.14"]
[Round "8"]
[White "Dimitrijeski, Boris"]
[Black "Ivens, Birger"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2236"]
[BlackElo "2052"]
[PlyCount "75"]
[EventDate "2009.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. d4 d6 2. e4 c6 3. Nc3 Qc7 4. f4 Nd7 5. Nf3 g6 6. Bd3 Bg7 7. e5 e6 8. Ne4 Bf8 9. 0-0 d5 10. Neg5 Nb6 11. Be3 h6 12. Nh3 Bd7 13. a4 Ne7 14. b3 Nf5 15. Bf2 c5 16. a5 Nc8 17. c4 dxc4 18. Bxc4 cxd4 19. Nxd4 Nxd4 20. Bxd4 Bc5 21. Nf2 Bxd4 22. Qxd4 Ne7 23. Ne4 Nf5 24. Nf6+ Ke7 25. Qf2 b6 26. Nxd7 Kxd7 27. Bb5+ Ke7 28. Rac1 Qd8 29. Rcd1 Qg8 30. Rd7+ Kf8 31. axb6 axb6 32. Qxb6 Rc8 33. Rfd1 Kg7 34. Qxe6 Rf8 35. Bc4 Ne3 36. Qf6+ Kh7 37. Bxf7 Nxd1 38. Bxg6# 1-0

[Event "London Classic op"]
[Site "London"]
[Date "2009.12.13"]
[Round "7"]
[White "Ivens, Birger"]
[Black "Harari, Zaki"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2052"]
[BlackElo "2218"]
[PlyCount "113"]
[EventDate "2009.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. c3 Nc6 5. Qc2 g6 6. g3 Bg7 7. Bg2 Nge7 8. Ne2 0-0 9. 0-0 b6 10. f4 Ba6 11. Rd1 Qc7 12. e5 Rad8 13. Nf3 f6 14. Qa4 Qc8 15. Bh3 Nf5 16. g4 Nfe7 17. exf6 Bxf6 18. Ng3 Bg7 19. Nh4 Rde8 20. f5 b5 21. Qc2 exf5 22. gxf5 Bf6 23. Nf3 Qc7 24. Bh6 Bg7 25. Bxg7 Kxg7 26. Qg2 Kh8 27. Ng5 Bc8 28. Ne6 Bxe6 29. fxe6 Ne5 30. Qe2 Nf3+ 31. Kh1 Qd6 32. Rf1 Ng5 33. Bg2 Nxe6 34. Rae1 Rxf1+ 35. Nxf1 Nf4 36. Qd2 Nxg2 37. Qxg2 Rf8 38. Ng3 Nc6 39. Qe2 Rf6 40. Qe8+ Kg7 41. Rg1 Kh6 42. Qc8 Qe6 43. Qh8 Rf2 44. Rf1 Rxf1+ 45. Nxf1 Qf7 46. Kg2 Ne7 47. Ng3 Nf5 48. Qe5 Nxg3 49. hxg3 Qf5 50. Qe3+ g5 51. Qxc5 Qxd3 52. Qc6+ Kh5 53. Qe8+ Qg6 54. Qe2+ Kh6 55. Qxb5 Qe4+ 56. Kf2 Qf5+ 57. Kg2 1/2-1/2

[Event "London Classic op"]
[Site "London"]
[Date "2009.12.12"]
[Round "6"]
[White "Ivens, Birger"]
[Black "Friedland, Jon S"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2052"]
[BlackElo "2162"]
[PlyCount "60"]
[EventDate "2009.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 d6 3. g3 Nf6 4. Bg2 e6 5. d3 Be7 6. h3 Nc6 7. c3 d5 8. Qc2 0-0 9. 0-0 Qc7 10. Nd2 b5 11. f4 dxe4 12. dxe4 Bb7 13. g4 Rad8 14. Ng3 c4 15. g5 Nd7 16. Nf3 Nc5 17. Be3 Rd3 18. Qf2 Na4 19. Rfe1 Rfd8 20. Nf1 b4 21. cxb4 Bxb4 22. Re2 c3 23. b3 Nb2 24. Ne1 Nd1 25. Qg3 Nd4 26. Rf2 Nxf2 27. Qxf2 Rd2 28. Nxd2 cxd2 29. Nf3 Nc2 30. Nxd2 Rxd2 0-1

[Event "London Classic op"]
[Site "London"]
[Date "2009.12.11"]
[Round "4"]
[White "Almond, Richard"]
[Black "Ivens, Birger"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2174"]
[BlackElo "2052"]
[PlyCount "51"]
[EventDate "2009.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 c6 4. Nc3 Bf5 5. g3 Nbd7 6. Bg2 Qc7 7. 0-0 h6 8. d5 Ne5 9. Qb3 g5 10. Nxe5 dxe5 11. dxc6 bxc6 12. Be3 e4 13. Bc5 e6 14. Qa3 Qb6 15. Bxf8 Rxf8 16. c5 Qc7 17. Qa4 Rb8 18. Rfd1 Ke7 19. Nxe4 Nxe4 20. Bxe4 Bxe4 21. Qxe4 Rxb2 22. Rd6 Rfb8 23. Rad1 R8b5 24. Rxe6+ Kf8 25. Qh7 Rxa2 26. Qh8# 1-0

[Event "London Classic op"]
[Site "London"]
[Date "2009.12.11"]
[Round "5"]
[White "Andrews, J Garth"]
[Black "Ivens, Birger"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1650"]
[BlackElo "2052"]
[PlyCount "62"]
[EventDate "2009.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. Bf4 c6 4. h3 Bf5 5. e3 Nbd7 6. Bd3 Bxd3 7. cxd3 e5 8. dxe5 dxe5 9. Bh2 Bb4+ 10. Nbd2 Qe7 11. 0-0 Bxd2 12. Qxd2 0-0 13. Rac1 Rfe8 14. d4 exd4 15. Nxd4 Ne5 16. Rfd1 Ng6 17. Qc2 Nd5 18. a3 Qg5 19. Nf5 Re6 20. Rd4 Rf6 21. Ng3 Nh4 22. Rg4 Qh6 23. Ne4 Rg6 24. Rxg6 Qxg6 25. Bg3 Nf5 26. Bh2 Nfxe3 27. fxe3 Nxe3 28. Qe2 Qxe4 29. Re1 Re8 30. Kh1 f5 31. Bg1 f4 0-1

[Event "London Classic op"]
[Site "London"]
[Date "2009.12.10"]
[Round "3"]
[White "Ivens, Birger"]
[Black "Collyer, Curt D"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2052"]
[BlackElo "2294"]
[PlyCount "132"]
[EventDate "2009.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. c3 Nc6 5. Qc2 Bd6 6. g3 Nge7 7. Bg2 0-0 8. Ne2 b5 9. 0-0 b4 10. f4 bxc3 11. bxc3 Qa5 12. e5 Bc7 13. Nb3 Qa4 14. c4 Bb6 15. Nc3 Qa6 16. Nb5 Bd7 17. a3 Rab8 18. Be3 Nf5 19. Bf2 dxc4 20. dxc4 Ncd4 21. N5xd4 cxd4 22. c5 Rfc8 23. Qd2 Bxc5 24. Nxc5 Rxc5 25. Bxd4 Nxd4 26. Qxd4 Rc2 27. Rf2 Rxf2 28. Kxf2 g6 29. Bf1 Qc8 30. Rd1 Be8 31. Rd2 h5 32. Qxa7 Rb1 33. Bd3 Qc1 34. Bxb1 Qxd2+ 35. Kf3 Bc6+ 36. Be4 Qd3+ 37. Qe3 Bxe4+ 38. Kf2 Qc2+ 39. Ke1 Qb1+ 40. Kd2 Qc2+ 41. Ke1 Qb1+ 42. Kd2 Qc2+ 43. Ke1 Bd5 44. h4 Kf8 45. Kf1 Kg7 46. Ke1 Bc4 47. Qd2 Qb3 48. Qb4 Qxg3+ 49. Kd2 Qxf4+ 50. Kc3 Qc1+ 51. Kd4 Bd5 52. Kd3 Qa1 53. a4 Qxe5 54. a5 Qg3+ 55. Kd2 Qf2+ 56. Kd3 Qa2 57. Qd4+ Kg8 58. Qa7 Qb3+ 59. Kd2 Qb4+ 60. Kd3 Qxh4 61. a6 Qe4+ 62. Kc3 h4 63. Qb8+ Kg7 64. a7 h3 65. Kd2 h2 66. Qb2+ e5 0-1

[Event "London Classic op"]
[Site "London"]
[Date "2009.12.09"]
[Round "2"]
[White "Cherniaev, Alexander"]
[Black "Ivens, Birger"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2465"]
[BlackElo "2052"]
[PlyCount "61"]
[EventDate "2009.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb4 7. a4 Bb7 8. d3 d6 9. c3 Bc5 10. Na3 b4 11. Nc4 h6 12. d4 exd4 13. cxd4 Ba7 14. Qd3 Ne7 15. d5 0-0 16. Na5 Bc8 17. Bd2 c5 18. Nc4 Ng6 19. h3 Nd7 20. Nh2 Nde5 21. Nxe5 Nxe5 22. Qg3 Qf6 23. Kh1 c4 24. f4 cxb3 25. fxe5 Qxe5 26. Qxe5 dxe5 27. Bxb4 Re8 28. Bc3 Bd7 29. Nf3 f6 30. Nd2 Rab8 31. Ra3 1/2-1/2

[Event "London Classic op"]
[Site "London"]
[Date "2009.12.08"]
[Round "1"]
[White "Ivens, Birger"]
[Black "Slavin, Alexei"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2052"]
[BlackElo "2392"]
[PlyCount "83"]
[EventDate "2009.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 133 Extra"]
[Source "ChessBase"]
[SourceDate "2010.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.05"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. d3 Nf6 4. g3 d5 5. Nd2 e5 6. Bg2 Be7 7. h3 h5 8. exd5 Nxd5 9. Nc4 Be6 10. Ne3 Qd7 11. Bd2 f5 12. Nc3 Nc7 13. a4 Nd4 14. Nc4 Bf6 15. Nb5 Ncxb5 16. axb5 Bxc4 17. dxc4 e4 18. c3 Ne6 19. Qe2 g6 20. f3 Be5 21. f4 Bf6 22. h4 Kf7 23. Be3 a6 24. Kf2 axb5 25. Rhd1 Qe7 26. cxb5 c4 27. Bf1 Rxa1 28. Rxa1 Rc8 29. Ra4 Qd7 30. Rxc4 Ra8 31. Qd2 Qe7 32. Qc2 Bxh4 33. Qb3 Ra1 34. b6 Kg7 35. Bd4+ Nxd4 36. cxd4 Bxg3+ 37. Kxg3 Kh6 38. Rc7 h4+ 39. Kh3 Qd6 40. Qg8 Ra3+ 41. bxa3 Qxa3+ 42. Kxh4 1-0

[Event "Lauenburg op"]
[Site "Lauenburg"]
[Date "2009.05.03"]
[Round "5"]
[White "Student, Martin"]
[Black "Ivens, Birger"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1871"]
[BlackElo "2052"]
[PlyCount "65"]
[EventDate "2009.05.01"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 g6 5. Be3 Bg7 6. c3 Nf6 7. Bd3 Qe7 8. Nd2 0-0 9. 0-0 Ne5 10. Be2 d6 11. h3 Ned7 12. Qc2 Nc5 13. f3 Nh5 14. b4 Nd7 15. f4 Ng3 16. Rf3 Nxe2+ 17. Nxe2 b6 18. Raf1 Bb7 19. f5 Ne5 20. R3f2 f6 21. Nd4 Bc8 22. N2f3 c5 23. Nxe5 Qxe5 24. Nf3 Qe7 25. g4 Bb7 26. fxg6 hxg6 27. e5 f5 28. Bg5 Qe6 29. gxf5 Rxf5 30. h4 dxe5 31. bxc5 bxc5 32. Nd2 Rxg5+ 33. Kh2 0-1

[Event "Lauenburg op"]
[Site "Lauenburg"]
[Date "2009.05.02"]
[Round "4"]
[White "Ivens, Birger"]
[Black "Porth, Hartmut"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2052"]
[BlackElo "2182"]
[PlyCount "68"]
[EventDate "2009.05.01"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 e6 3. Nf3 d5 4. Bb5 a6 5. Ba4 b5 6. Bb3 Nf6 7. exd5 exd5 8. d4 Be6 9. 0-0 Be7 10. Ne5 Na5 11. Be3 c6 12. h3 Nd7 13. Ne2 Nxe5 14. dxe5 c5 15. c3 Nc6 16. f4 g6 17. g4 Qd7 18. f5 gxf5 19. gxf5 Bxf5 20. Qxd5 c4 21. Qf3 Be6 22. Bc2 Rg8+ 23. Kh2 Bd5 24. Be4 Nxe5 25. Qf4 Bd6 26. Bxd5 Ng4+ 27. hxg4 Bxf4+ 28. Nxf4 Qxg4 29. Bc6+ Kd8 30. Rf3 Kc7 31. Rg1 Qh4+ 32. Rh3 Qxh3+ 33. Kxh3 Kxc6 34. Re1 Rad8 1/2-1/2

[Event "Lauenburg op"]
[Site "Lauenburg"]
[Date "2009.05.02"]
[Round "3"]
[White "Jahncke, Giso"]
[Black "Ivens, Birger"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2106"]
[BlackElo "2052"]
[PlyCount "49"]
[EventDate "2009.05.01"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb4 7. c3 Ba5 8. d4 Qe7 9. Bd5 exd4 10. Bg5 h6 11. Bh4 g5 12. Nxd4 Nxd5 13. exd5 Nxd4 14. Qxd4 0-0 15. Bg3 Bb6 16. d6 Qe6 17. Qd2 Re8 18. Na3 Bb7 19. Rfe1 Qg4 20. Rxe8+ Rxe8 21. Re1 Rxe1+ 22. Qxe1 Bc6 23. Nc2 Qe4 24. Qxe4 Bxe4 25. Nd4 1/2-1/2

[Event "Lauenburg op"]
[Site "Lauenburg"]
[Date "2009.05.01"]
[Round "2"]
[White "Ivens, Birger"]
[Black "Schulz, Gerhard1"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2052"]
[PlyCount "61"]
[EventDate "2009.05.01"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 b6 5. Bg2 Bb7 6. Ne2 Nf6 7. 0-0 Be7 8. h3 0-0 9. f4 dxe4 10. dxe4 Qc7 11. Qe1 Nc6 12. g4 Nb4 13. Qd1 Rad8 14. a3 Nc6 15. Ng3 Rd7 16. c3 Rfd8 17. Qe1 Ba6 18. Rf2 Na5 19. Kh2 Qc8 20. Bf1 c4 21. Qe2 Bc5 22. Rg2 Rd3 23. g5 Re3 24. b4 Rxe2 25. Bxe2 Rxd2 26. Bxd2 Nb3 27. gxf6 Nxa1 28. bxc5 Qxc5 29. fxg7 Kxg7 30. Be3 Qxe3 31. Nf5+ 1-0

[Event "Lauenburg op"]
[Site "Lauenburg"]
[Date "2009.05.01"]
[Round "1"]
[White "Spaeth, Rolf"]
[Black "Ivens, Birger"]
[Result "0-1"]
[ECO "C41"]
[BlackElo "2052"]
[PlyCount "56"]
[EventDate "2009.05.01"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 d6 2. Nc3 Nd7 3. e4 e5 4. Nf3 Ne7 5. Bd3 g6 6. d5 Bg7 7. Be3 h6 8. Qd2 f5 9. g3 Nf6 10. exf5 gxf5 11. Bc4 Ng6 12. h3 Qe7 13. 0-0-0 a6 14. a3 b5 15. Ba2 Bd7 16. Rhg1 a5 17. b4 axb4 18. axb4 Ne4 19. Nxe4 fxe4 20. Nh4 Nxh4 21. gxh4 Rxa2 22. Kb1 Ra8 23. Rg3 Qf7 24. Rdg1 Rh7 25. Rg6 Bf5 26. h5 Ke7 27. Qc3 Rc8 28. Bb6 c6 0-1

[Event "Travemuende op 21th"]
[Site "Travemuende"]
[Date "2004.12.29"]
[Round "5"]
[White "Ivens, Birger"]
[Black "Schuster, Martin"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1845"]
[BlackElo "2177"]
[PlyCount "58"]
[EventDate "2004.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. f4 Nf6 5. Nf3 Bf5 6. Bd3 Bxd3 7. Qxd3 Qa5+ 8. c3 Qa6 9. Qxa6 Nxa6 10. Be3 e6 11. Nbd2 Bd6 12. Ne5 Nc7 13. 0-0 g6 14. h3 h5 15. Bf2 Be7 16. Rae1 Nb5 17. Bh4 Ng8 18. Bxe7 Nxe7 19. Rf2 Nd6 20. Rfe2 Nef5 21. Kf2 h4 22. Nef3 0-0 23. Re5 Kg7 24. Nh2 Rfc8 25. Nhf1 a5 26. R5e2 b5 27. a3 b4 28. axb4 axb4 29. Rc1 Nxd4 0-1

[Event "Kleve op"]
[Site "Kleve"]
[Date "2001.05.27"]
[Round "7"]
[White "Ivens, Birger"]
[Black "Breuer, Marian"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "85"]
[EventDate "2001.05.24"]
[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. e5 c5 3. f4 Bf5 4. d3 h5 5. b3 d4 6. h3 h4 7. Be2 Nh6 8. Bd2 e6 9. Na3 Bg6 10. Bf3 Qd7 11. Ne2 Nf5 12. Nc4 Nc6 13. a4 Rb8 14. a5 b5 15. axb6 axb6 16. Ra6 Qc7 17. Qa1 Be7 18. Qa4 Kd7 19. Qb5 Bd8 20. b4 Nfe7 21. 0-0 Nd5 22. Rfa1 Ke7 23. bxc5 Kd7 24. Ra7 Rb7 25. Rxb7 Qxb7 26. Nxd4 Bc7 27. Nd6 Bxd6 28. cxd6 Ra8 29. Rxa8 Qxa8 30. Qxc6+ Qxc6 31. Nxc6 Kxc6 32. c4 Bxd3 33. cxd5+ exd5 34. Be1 Bf5 35. Bxh4 Bd7 36. g4 Kc5 37. Kf2 b5 38. Ke2 Kc4 39. Be1 d4 40. Bd2 b4 41. Bxb4 Kxb4 42. Kd3 Kc5 43. h4 1-0

[Event "Kleve op"]
[Site "Kleve"]
[Date "2001.05.26"]
[Round "5"]
[White "Ivens, Birger"]
[Black "Ibs, Malte"]
[Result "1/2-1/2"]
[ECO "C28"]
[PlyCount "8"]
[EventDate "2001.05.24"]
[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 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 h6 1/2-1/2

[Event "Kleve op"]
[Site "Kleve"]
[Date "2001.05.26"]
[Round "6"]
[White "Klein, Felix"]
[Black "Ivens, Birger"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "50"]
[EventDate "2001.05.24"]
[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 e5 2. Nf3 Nc6 3. d4 d5 4. Nxe5 dxe4 5. Bb5 Qf6 6. Qe2 Bf5 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3 Kf8 10. d5 Nxe5 11. f4 exf3 12. Qxe5 Qxe5+ 13. Bxe5 a6 14. Ba4 b5 15. Bb3 Re8 16. 0-0-0 Rxe5 17. gxf3 Nf6 18. d6 c5 19. a4 c4 20. Ba2 Re2 21. Bb1 Ke8 22. axb5 axb5 23. Rhe1 Rxe1 24. Rxe1+ Be6 25. Re5 Nd5 0-1

[Event "Kleve op"]
[Site "Kleve"]
[Date "2001.05.25"]
[Round "4"]
[White "Huennekes, Theo"]
[Black "Ivens, Birger"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2142"]
[PlyCount "73"]
[EventDate "2001.05.24"]
[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 f5 2. c4 Nf6 3. Nc3 b6 4. g3 Bb7 5. Nf3 e6 6. Bg2 d6 7. 0-0 h6 8. Nh4 Bxg2 9. Kxg2 g5 10. Ng6 Rg8 11. Nxf8 Kxf8 12. c5 a6 13. cxb6 cxb6 14. b3 d5 15. Ba3+ Kf7 16. Na4 Nbd7 17. Rc1 Rc8 18. Qd3 b5 19. Rxc8 Qxc8 20. Nc5 Qc7 21. Rc1 Qb6 22. Qc3 Qd6 23. Nxd7 Qxd7 24. Qc7 Ra8 25. Qb6 Ra7 26. Rc6 b4 27. Bxb4 Rb7 28. Qc5 Ne4 29. Qf8+ Kg6 30. Rxa6 Ra7 31. Qg8+ Kf6 32. Qh8+ Kg6 33. Rxa7 Qxa7 34. Qg8+ Kf6 35. Bf8 Qf7 36. Qh8+ Kg6 37. Qxh6# 1-0

[Event "Kleve op"]
[Site "Kleve"]
[Date "2001.05.25"]
[Round "3"]
[White "Ivens, Birger"]
[Black "Zimmermann, Ruth"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "70"]
[EventDate "2001.05.24"]
[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. g3 d5 3. e5 c5 4. Bg2 Nc6 5. f4 Be7 6. d3 f6 7. Nf3 Nh6 8. h3 Nf7 9. exf6 gxf6 10. Be3 Rg8 11. Bf2 Qc7 12. c3 b6 13. Nbd2 Bb7 14. a3 Nd6 15. Nh2 0-0-0 16. b4 Nb5 17. Qb3 h5 18. Nhf3 f5 19. h4 Bf6 20. bxc5 Nxc3 21. cxb6 axb6 22. Bxb6 Qg7 23. Ng5 Rde8 24. Rc1 e5 25. Bxd5 exf4+ 26. Be6+ Kb8 27. gxf4 Nd4 28. Bxd4 Bxd4 29. Rxc3 Bxc3 30. Kd1 Bxd2 31. Kxd2 Rxe6 32. Rg1 Rc6 33. Nf3 Qxg1 34. Nxg1 Rxg1 35. Qf7 Rg4 1/2-1/2

[Event "Kleve op"]
[Site "Kleve"]
[Date "2001.05.24"]
[Round "1"]
[White "Ivens, Birger"]
[Black "Novak, Drazen"]
[Result "1-0"]
[ECO "C23"]
[PlyCount "47"]
[EventDate "2001.05.24"]
[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 e5 2. Bc4 Bc5 3. d3 b6 4. Nc3 Bb4 5. f4 Bxc3+ 6. bxc3 Nc6 7. Nf3 Na5 8. Nxe5 Nxc4 9. Nxc4 Bb7 10. 0-0 Qf6 11. Qe2 0-0-0 12. Bd2 Qe7 13. a4 h6 14. Rfb1 d5 15. Qg4+ Kb8 16. exd5 Qc5+ 17. Be3 Qxd5 18. a5 b5 19. a6 Bc8 20. Qxg7 Ne7 21. Qe5 Rhe8 22. Rxb5+ Qxb5 23. Qxb5+ Ka8 24. Qc5 1-0

[Event "Kleve op"]
[Site "Kleve"]
[Date "2001.05.24"]
[Round "2"]
[White "Kiesow, Klaus"]
[Black "Ivens, Birger"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2231"]
[PlyCount "39"]
[EventDate "2001.05.24"]
[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 e5 2. Nc3 Nc6 3. Bc4 d6 4. d3 Nf6 5. f4 Bg4 6. Nf3 Be7 7. f5 Nh5 8. Be3 g6 9. fxg6 hxg6 10. Rf1 Bh4+ 11. g3 Nd4 12. Bxf7+ Kf8 13. Nxd4 Nxg3 14. hxg3 Bxg3+ 15. Kd2 exd4 16. Bd5+ Ke8 17. Qxg4 Rh2+ 18. Kd1 dxe3 19. Qxg6+ Ke7 20. Qe6# 1-0

