[Event "GER-chT U14"]
[Site "Verden"]
[Date "2008.12.30"]
[Round "7.1"]
[White "Rieping, Heiner"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1754"]
[BlackElo "1411"]
[PlyCount "147"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Hagen"]
[BlackTeam "Chemnitz Aufbau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Be6 11. g3 Bg7 12. Bg2 Ne7 13. Ne3 Rb8 14. c3 Qd7 15. Nac2 f5 16. exf5 Nxf5 17. 0-0 Nxe3 18. Nxe3 0-0 19. Qd2 f5 20. f4 e4 21. g4 d5 22. gxf5 Bxf5 23. Qxd5+ Qxd5 24. Nxd5 Rf7 25. Ne3 Rbf8 26. Nxf5 Rxf5 27. Bxe4 Rxf4 28. Rxf4 Rxf4 29. Bd5+ Kf8 30. Re1 h6 31. Kg2 Rf5 32. Bb3 Rg5+ 33. Kf1 Rh5 34. Re2 Be5 35. Rd2 Rf5+ 36. Kg1 Rg5+ 37. Rg2 Rxg2+ 38. Kxg2 Bf4 39. Bd5 Bc1 40. b3 Bb2 41. c4 bxc4 42. bxc4 Ba3 43. Kf3 Ke7 44. Ke4 Bc5 45. Kd3 Kf6 46. Kc3 a5 47. Kb3 Ke5 48. h3 Kd4 49. Ka4 Bb4 50. Kb5 Ke5 51. Bf7 Kd6 52. Kb6 a4 53. Kb5 Bd2 54. Kxa4 Kc5 55. Kb3 Bf4 56. h4 Bc7 57. Kc3 Ba5+ 58. Kd3 Bb4 59. Ke4 Bd2 60. Kd3 Ba5 61. a4 Be1 62. Be8 Ba5 63. Bb5 Bb4 64. Ke4 Bd2 65. Kf5 Be3 66. a5 Bd2 67. a6 Kb6 68. c5+ Ka7 69. c6 Kb6 70. Ke6 Be3 71. Kd7 Bf4 72. a7 Kxa7 73. c7 Bxc7 74. Kxc7 1-0

[Event "GER-chT U14"]
[Site "Verden"]
[Date "2008.12.29"]
[Round "5.1"]
[White "Borchert, Finn"]
[Black "Hauffen, Kai"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1740"]
[BlackElo "1411"]
[PlyCount "55"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Vaterstetten"]
[BlackTeam "Chemnitz Aufbau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. d3 Be7 6. f4 0-0 7. Nf3 d5 8. e5 Nd7 9. 0-0 f6 10. exf6 Nxf6 11. Kh1 Bd6 12. d4 cxd4 13. Nxd4 e5 14. Ndb5 Bg4 15. Qd2 d4 16. Nxd6 Qxd6 17. Ne4 Nxe4 18. Bxe4 Bf5 19. Qd3 Qg6 20. Bxf5 Qxf5 21. Qxf5 Rxf5 22. Re1 Re8 23. fxe5 Rfxe5 24. Bd2 Re2 25. Rad1 R8e5 26. Rf1 Rc5 27. c3 h6 28. Rfe1 1/2-1/2

[Event "GER-chT U14"]
[Site "Verden"]
[Date "2008.12.29"]
[Round "6.1"]
[White "Hauffen, Kai"]
[Black "Hermann, Felix"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1411"]
[BlackElo "1562"]
[PlyCount "81"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Chemnitz Aufbau"]
[BlackTeam "Balingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. Bb5 Bd7 6. exd5 exd5 7. Qe2+ Qe7 8. dxc5 Qxe2+ 9. Nxe2 Bxc5 10. Nb3 Bb6 11. Bg5 h6 12. Bh4 a6 13. Bd3 Nge7 14. 0-0 Ne5 15. Bxe7 Nxd3 16. Ba3 Bb5 17. Nbd4 0-0-0 18. Nxb5 axb5 19. Rad1 Nf4 20. g3 Ne6 21. Rd2 Rd7 22. Rfd1 Rhd8 23. Kg2 d4 24. cxd4 Nxd4 25. Nxd4 Rxd4 26. Rxd4 Rxd4 27. Rc1+ Rc4 28. b3 Rxc1 29. Bxc1 Bd4 30. Kf3 Kd7 31. Be3 Bxe3 32. Kxe3 Ke6 33. Kd4 Kd6 34. a3 b6 35. a4 Kc6 36. f4 bxa4 37. bxa4 f6 38. g4 g6 39. Kc4 Kd6 40. Kb5 Kc7 41. h4 1/2-1/2

[Event "GER-chT U14"]
[Site "Verden"]
[Date "2008.12.28"]
[Round "3.1"]
[White "Hauffen, Kai"]
[Black "Winter, Philipp"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1411"]
[BlackElo "1612"]
[PlyCount "83"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Chemnitz Aufbau"]
[BlackTeam "Heitersheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Be7 5. e5 Ne4 6. Qxd4 Ng5 7. h4 Nxf3+ 8. gxf3 Nc6 9. Qf4 0-0 10. Qg3 Nd4 11. Bd3 Kh8 12. Be3 Ne6 13. f4 f5 14. Qh3 g6 15. h5 Qe8 16. Nc3 Bb4 17. 0-0-0 Bxc3 18. bxc3 Qf7 19. Rdg1 gxh5 20. Qxh5 b6 21. Rg6 Bb7 22. Rh2 Bf3 23. Qh6 Bg4 24. Rf6 Qe7 25. f3 Rg8 26. fxg4 Rxg4 27. Qxh7+ Qxh7 28. Rxh7+ Kxh7 29. Bxf5+ Kg7 30. Bxg4 Nf8 31. f5 Re8 32. Bh6+ Kg8 33. Bxf8 Rxf8 34. Rxf8+ Kxf8 35. Kd2 Ke7 36. Kd3 d6 37. e6 c6 38. Bf3 d5 39. Kd4 Kd6 40. c4 c5+ 41. Kd3 d4 42. Ke4 1-0

[Event "GER-chT U14"]
[Site "Verden"]
[Date "2008.12.28"]
[Round "4.1"]
[White "Volz, Daniel"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1819"]
[BlackElo "1411"]
[PlyCount "87"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Ettlingen"]
[BlackTeam "Chemnitz Aufbau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Bg5 13. Nce3 f5 14. exf5 Bxf5 15. Nxf5 Rxf5 16. Bd3 Rf7 17. 0-0 Ne7 18. Nxe7+ Rxe7 19. Be4 Rb8 20. Qd5+ Kh8 21. Rad1 Rb6 22. Rfe1 Re8 23. Qd3 g6 24. Qd5 Qf6 25. Rd3 Qe6 26. Red1 Kg7 27. Qxe6 Rxe6 28. Kf1 Be7 29. Ke2 Rf6 30. f3 Kf7 31. Rd5 Ke8 32. R1d3 Rb8 33. Kd2 Rc8 34. Kc2 Re6 35. Rd1 Kd7 36. a4 Rb8 37. axb5 axb5 38. Ra1 Kc7 39. Ra6 b4 40. c4 Rf6 41. Kb3 Rff8 42. Ra7+ Rb7 43. Rxb7+ Kxb7 44. Rxe5+ 1-0

[Event "GER-chT U14"]
[Site "Verden"]
[Date "2008.12.27"]
[Round "1.1"]
[White "Hauffen, Kai"]
[Black "Stoevesand, Peter"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1411"]
[BlackElo "1553"]
[PlyCount "64"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Chemnitz Aufbau"]
[BlackTeam "Feldberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nc6 5. e5 d5 6. exf6 dxc4 7. fxg7 Bxg7 8. 0-0 Bg4 9. Re1+ Ne7 10. Bg5 f6 11. Bf4 Qd7 12. Qxd4 Qxd4 13. Nxd4 Rd8 14. Nb5 0-0 15. N1c3 Nc6 16. Nxc7 Ne5 17. N7d5 Rfe8 18. Ne3 Be6 19. Rad1 Ng6 20. Bg3 f5 21. Nb5 f4 22. Nc7 Re7 23. Nxe6 Rxe6 24. Nxc4 fxg3 25. hxg3 Rc6 26. b3 Ne5 27. Ne3 Bf6 28. f4 Nf7 29. Rd7 Nd6 30. Nd5 Bd4+ 31. Kh2 Nf5 32. g4 Rh6# 0-1

[Event "GER-chT U14"]
[Site "Verden"]
[Date "2008.12.27"]
[Round "2.1"]
[White "Paeltz, Sebastian"]
[Black "Hauffen, Kai"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1789"]
[BlackElo "1411"]
[PlyCount "64"]
[EventDate "2008.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Jena"]
[BlackTeam "Chemnitz Aufbau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Nf6 6. Be3 cxd4 7. cxd4 e6 8. a3 Be7 9. Nc3 Qd6 10. Bc4 0-0 11. Nb5 Qb8 12. Qd2 Bd6 13. 0-0 a6 14. Nxd6 Qxd6 15. Rac1 b5 16. Ba2 Bb7 17. d5 Ne4 18. Qc2 exd5 19. Rfd1 Qg6 20. Bxd5 Na5 21. Bxb7 Nxb7 22. Ne5 Qf5 23. Nd7 Rfd8 24. Qc6 Nbd6 25. Nb6 Rab8 26. Nd5 Qe5 27. Bd4 Qg5 28. Qxa6 Ra8 29. Qb6 Qxd5 30. Bf6 Qe6 31. Bxd8 Rxd8 32. g3 g6 1/2-1/2

[Event "GER-ch U25 op"]
[Site "Willingen"]
[Date "2008.05.17"]
[Round "9"]
[White "Hauffen, Kai"]
[Black "Reiser, Marck"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1454"]
[BlackElo "1294"]
[PlyCount "37"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 e6 7. Bc4 a6 8. 0-0 Nge7 9. Qd2 0-0 10. Rad1 Qc7 11. Nb3 Ne5 12. Be2 Nc4 13. Bxc4 Qxc4 14. Bc5 Re8 15. Qe3 Bxc3 16. bxc3 Qa4 17. Bd4 Nc6 18. Bf6 Qxe4 19. Qxe4 1-0

[Event "GER-ch U25 op"]
[Site "Willingen"]
[Date "2008.05.16"]
[Round "8"]
[White "Hansch, Stephan"]
[Black "Hauffen, Kai"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1515"]
[BlackElo "1454"]
[PlyCount "58"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[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. Kh1 0-0 9. Be3 b5 10. f3 Bb7 11. Qd2 Nbd7 12. a3 Qc7 13. Rad1 d5 14. exd5 Nxd5 15. Nxd5 Bxd5 16. Bf4 Bd6 17. Bxd6 Qxd6 18. Nf5 Qc5 19. Qd4 Qxd4 20. Rxd4 Nf6 21. Ne7+ Kh8 22. Nxd5 Nxd5 23. c4 Ne3 24. Rc1 bxc4 25. Bxc4 Rac8 26. Rc3 Nxc4 27. Rcxc4 g6 28. h3 Kg7 29. Kh2 Rb8 1/2-1/2

[Event "GER-ch U25 op"]
[Site "Willingen"]
[Date "2008.05.15"]
[Round "7"]
[White "Hauffen, Kai"]
[Black "George, Tom"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "1454"]
[BlackElo "1669"]
[PlyCount "56"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Be7 9. 0-0-0 0-0 10. g4 Qc7 11. Bxf6 Bxf6 12. g5 Bxd4 13. Qxd4 Rd8 14. h4 Nc6 15. Qf2 Ne7 16. h5 b5 17. g6 fxg6 18. hxg6 Nxg6 19. Bd3 Qf7 20. Qg2 Nxf4 21. Qh2 h6 22. Qg3 Kh8 23. Kb1 e5 24. Rdf1 Be6 25. a3 Rab8 26. Ne2 Rf8 27. Rh4 Nxe2 28. Bxe2 Qxf1+ 0-1

[Event "GER-ch U25 op"]
[Site "Willingen"]
[Date "2008.05.14"]
[Round "6"]
[White "Hauffen, Kai"]
[Black "Laqua, Stefan"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "1454"]
[BlackElo "1684"]
[PlyCount "76"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 Be7 8. 0-0 0-0 9. c3 b6 10. Bg5 Bb7 11. Bxf6 Bxf6 12. Nd2 c5 13. Qc2 cxd4 14. Bxh7+ Kh8 15. Be4 Qc7 16. Qd3 Rfd8 17. Qh3+ Kg8 18. Qh7+ Kf8 19. Bxb7 Qxb7 20. Ne4 dxc3 21. Nxf6 gxf6 22. bxc3 Ke7 23. Qc2 Rh8 24. Rad1 Rag8 25. f4 Rh3 26. Rf2 Qc6 27. Rd3 Rxd3 28. Qxd3 Rd8 29. Qc2 Qc4 30. Rf3 Qc5+ 31. Rf2 Qe3 32. Kf1 Qc5 33. Qb3 Qh5 34. Qa3+ Ke8 35. g3 Rd1+ 36. Kg2 Qd5+ 37. Kh3 Qf5+ 38. Kg2 Qe4+ 1/2-1/2

[Event "GER-ch U25 op"]
[Site "Willingen"]
[Date "2008.05.13"]
[Round "4"]
[White "Hauffen, Kai"]
[Black "Kuckling, Linus"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1454"]
[BlackElo "1181"]
[PlyCount "49"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. f3 0-0 8. Be3 Nc6 9. Qd2 Bd7 10. 0-0-0 Re8 11. g4 Rc8 12. Bb3 Na5 13. h4 Nxb3+ 14. Nxb3 a6 15. h5 Be6 16. hxg6 fxg6 17. Nd4 Bf7 18. Nd5 Bxd5 19. exd5 Nxd5 20. Ne6 Qd7 21. Nxg7 Kxg7 22. Qxd5 Qc7 23. Rxh7+ Kxh7 24. Qf7+ Kh8 25. Rh1# 1-0

[Event "GER-ch U25 op"]
[Site "Willingen"]
[Date "2008.05.13"]
[Round "5"]
[White "Zimmerer, David"]
[Black "Hauffen, Kai"]
[Result "1/2-1/2"]
[ECO "B87"]
[WhiteElo "1808"]
[BlackElo "1454"]
[PlyCount "95"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Bg5 Be7 9. Qf3 Bb7 10. Bxe6 fxe6 11. Nxe6 Qa5 12. Nxg7+ Kf7 13. Bxf6 Bxf6 14. Nh5 Nd7 15. 0-0 Ke7 16. Nxf6 Nxf6 17. Qf5 Raf8 18. e5 dxe5 19. Qxe5+ Kf7 20. a4 Rhg8 21. g3 Qb6 22. axb5 axb5 23. Qxb5 Qxb5 24. Nxb5 Be4 25. Nd6+ Kg6 26. c3 Rd8 27. Ra6 Bd3 28. Rb6 Bxf1 29. Kxf1 Rb8 30. Rxb8 Rxb8 31. Nc4 Nd5 32. Ke2 Kg5 33. Kd3 Nb6 34. Nxb6 Rxb6 35. b4 Kf5 36. Kd4 Ke6 37. Kc5 Rb8 38. c4 Rc8+ 39. Kb5 Kd6 40. c5+ Kd5 41. f4 Rb8+ 42. Ka5 Kc6 43. Ka4 Ra8+ 44. Kb3 Kb5 45. Kc3 Rd8 46. f5 Rd5 47. g4 Rd7 48. h4 1/2-1/2

[Event "GER-ch U25 op"]
[Site "Willingen"]
[Date "2008.05.12"]
[Round "3"]
[White "Bergner, Philipp"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1749"]
[BlackElo "1454"]
[PlyCount "101"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Nb8 9. b4 a5 10. bxa5 Rxa5 11. a4 Nh5 12. Re1 Nd7 13. Ba3 b6 14. Bb4 Ra8 15. a5 Nf4 16. Bf1 f5 17. axb6 Rxa1 18. bxc7 Rxd1 19. cxd8Q Rxd8 20. Rxd1 Nf6 21. exf5 Bxf5 22. Ng5 h6 23. Ne6 Nxe6 24. dxe6 Bf8 25. Nd5 Nxd5 26. cxd5 Rb8 27. Bd2 Kg7 28. Be3 Be7 29. h3 Rb1 30. Rxb1 Bxb1 31. Bc4 Be4 32. f3 Bc2 33. Kf2 h5 34. Ke2 Bd8 35. Kd2 Ba4 36. Kc3 Ba5+ 37. Kb2 Bb4 38. Bb6 Kf8 39. Bd8 Ke8 40. Bg5 Kf8 41. Ba6 Bc5 42. Kc3 Ba3 43. Bb7 Bc5 44. Kc4 Ke8 45. Bc6+ Bxc6 46. dxc6 Bb6 47. Kd5 Bc7 48. g4 hxg4 49. fxg4 Bb8 50. h4 Bc7 51. h5 1-0

[Event "GER-ch U25 op"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "2"]
[White "Hauffen, Kai"]
[Black "Bui, Ha Trang"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1454"]
[BlackElo "774"]
[PlyCount "55"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Be7 5. e5 Ne4 6. Qxd4 Nc5 7. 0-0 0-0 8. Nc3 b6 9. Qf4 h6 10. Qg3 Kh7 11. Be3 Bb7 12. b4 Bxf3 13. Qxf3 Nc6 14. bxc5 Nxe5 15. Qe4+ Kh8 16. Qxe5 bxc5 17. Bd3 Bf6 18. Qe4 g6 19. Bxh6 Re8 20. Qc4 Kh7 21. Bd2 c6 22. Rae1 Rh8 23. Qxc5 Qc7 24. Ne4 Kg7 25. h3 Rh7 26. Nxf6 Kxf6 27. Bc3+ Qe5 28. Qxe5# 1-0

[Event "GER-ch U25 op"]
[Site "Willingen"]
[Date "2008.05.11"]
[Round "1"]
[White "Kyas, Marcel"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1986"]
[BlackElo "1454"]
[PlyCount "49"]
[EventDate "2008.05.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Re1 Qc7 7. c3 g6 8. d4 cxd4 9. cxd4 Bg7 10. Nc3 0-0 11. Bf4 e5 12. Bg3 Rfe8 13. Qb3 exd4 14. Nb5 Nc5 15. Nxc7 Nxb3 16. axb3 Rac8 17. Nxe8 Rxe8 18. e5 dxe5 19. Bxe5 Rd8 20. Bxd4 Ng4 21. Bxg7 Kxg7 22. Rxa7 Rc8 23. h3 Nf6 24. Rxb7 Rc2 25. Ree7 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2007.06.01"]
[Round "9"]
[White "Holle, Cedric"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1220"]
[BlackElo "1527"]
[PlyCount "59"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. b3 Nc6 4. Bb2 e6 5. Bb5 Bd7 6. d4 cxd4 7. Nxd4 Nf6 8. Nc3 Be7 9. Qd3 0-0 10. 0-0-0 Nb4 11. Qc4 d5 12. exd5 Nbxd5 13. Bxd7 Qxd7 14. h4 Rac8 15. Qd3 a6 16. h5 Qc7 17. Nxd5 Nxd5 18. h6 g6 19. Rd2 Bg5 20. Nf3 Bxd2+ 21. Nxd2 Nb4 22. Qe4 Qxc2+ 23. Qxc2 Rxc2+ 24. Kb1 Rxd2 25. Bc3 Rxf2 26. Bxb4 Rd8 27. g3 f5 28. Rc1 Rd7 29. Rc8+ Kf7 30. Rf8# 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2007.05.31"]
[Round "8"]
[White "Hauffen, Kai"]
[Black "Kilic, Mehmet"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "1527"]
[BlackElo "1012"]
[PlyCount "110"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bf5 5. Bc4 Nb6 6. Bb3 e6 7. 0-0 Nc6 8. Bf4 d5 9. h3 Be7 10. Nbd2 0-0 11. c3 f6 12. Re1 fxe5 13. Bxe5 Nxe5 14. Nxe5 Bd6 15. Bc2 Qf6 16. Bxf5 Qxf5 17. Ndf3 Bxe5 18. Rxe5 Qf6 19. Qe2 Rae8 20. b3 Nd7 21. Re3 Rf7 22. Re1 Rfe7 23. Ne5 Nxe5 24. Rxe5 Kf7 25. Qg4 c6 26. R1e3 Kg8 27. Qf3 Qg6 28. Re1 Rf8 29. Qe2 Rf6 30. Re3 Re8 31. Rf3 Rxf3 32. Qxf3 Rf8 33. Qe2 Rf6 34. Rd1 Qf5 35. Rf1 Kf7 36. Re1 Ke7 37. Kf1 Qf4 38. Kg1 Qf5 39. Kf1 Rg6 40. Qe3 Rf6 41. Kg1 Kf7 42. Re2 Qb1+ 43. Kh2 Qf5 44. Qg3 Qf4 45. Qxf4 Rxf4 46. Kg3 g5 47. Re5 Kf6 48. Re3 h5 49. f3 Rf5 50. Kf2 h4 51. g3 e5 52. dxe5+ Rxe5 53. Rxe5 Kxe5 54. gxh4 gxh4 55. Ke3 Kf5 1/2-1/2

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2007.05.30"]
[Round "7"]
[White "Frey, Nicole"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1790"]
[BlackElo "1527"]
[PlyCount "53"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 Nf6 5. d3 g6 6. h3 Bg7 7. Be3 0-0 8. Qd2 Bd7 9. Bh6 Qc7 10. 0-0-0 Rab8 11. h4 b5 12. h5 Be6 13. hxg6 fxg6 14. Bxg7 Kxg7 15. Qh6+ Kh8 16. Nf3 Qa5 17. Ng5 Bg8 18. e5 Nxe5 19. Nd5 Nh5 20. Nxe7 Qc7 21. Nxg6+ Nxg6 22. Rxh5 Ne5 23. Rdh1 Ng4 24. Qxh7+ Bxh7 25. Rxh7+ Qxh7 26. Rxh7+ Kg8 27. Bd5+ 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2007.05.29"]
[Round "6"]
[White "Hauffen, Kai"]
[Black "Weissbeck, Joachim Daniel"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1527"]
[BlackElo "1350"]
[PlyCount "79"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nc6 5. Nxd4 Nxe4 6. Nxc6 bxc6 7. 0-0 Be7 8. Qg4 Ng5 9. Bxg5 d5 10. Bxe7 Bxg4 11. Bxd8 Rxd8 12. Re1+ Kd7 13. Bd3 Rde8 14. Nc3 Kd6 15. f3 Be6 16. Rad1 c5 17. Bc4 c6 18. Bf1 Bf5 19. Ne4+ Kc7 20. Nxc5 Bxc2 21. Rc1 Bf5 22. Bd3 Bd7 23. Kf2 Kd6 24. Nxd7 Kxd7 25. Bf5+ Kd6 26. Rxe8 Rxe8 27. Re1 Rb8 28. Re2 c5 29. Rd2 h6 30. Be4 d4 31. Rc2 Rc8 32. b3 a5 33. Rc4 Rc7 34. Ra4 Ra7 35. Ke2 Kc7 36. Kd3 Kb6 37. Kc4 Rd7 38. a3 Rd8 39. b4 d3 40. Bxd3 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2007.05.29"]
[Round "5"]
[White "Wolff, Cascal"]
[Black "Hauffen, Kai"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "1157"]
[BlackElo "1527"]
[PlyCount "199"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 Nc6 3. Nf3 Bc5 4. e3 d6 5. exd6 Qxd6 6. Nc3 Nf6 7. Bd3 0-0 8. Na4 Bg4 9. Nxc5 Qxc5 10. 0-0 Rad8 11. b3 Nb4 12. a4 Nxd3 13. Ba3 Nb4 14. c3 a5 15. Rc1 Qb6 16. cxb4 axb4 17. Bb2 Ne4 18. Qe1 Bxf3 19. Rxf3 Nxd2 20. Rg3 f6 21. Bd4 Rxd4 22. exd4 Qxd4+ 23. Qf2 Qxf2+ 24. Kxf2 Ne4+ 25. Kf3 Nxg3 26. Kxg3 c6 27. Rc4 Kf7 28. Rxb4 Rb8 29. a5 Kg6 30. a6 b5 31. Rg4+ Kf7 32. Rd4 Ke6 33. Re4+ Kd6 34. b4 Ra8 35. Rd4+ Ke6 36. Re4+ Kf7 37. Rd4 Rxa6 38. Rd7+ Kg6 39. Rc7 Ra4 40. Rxc6 Rxb4 41. Rb6 Rb1 42. Rb7 b4 43. Kg4 b3 44. Kg3 b2 45. h3 h5 46. h4 Kf5 47. Rb5+ Ke4 48. Rb4+ Kd3 49. Rb8 Kc3 50. Rc8+ Kb3 51. Rb8+ Kc4 52. Rc8+ Kb5 53. Rb8+ Kc6 54. Rb3 f5 55. Rc3+ Kb5 56. Rf3 Rc1 57. Rb3+ Kc5 58. Rxb2 Rc4 59. Rb7 Rg4+ 60. Kh3 Kd5 61. Rb5+ Ke4 62. Rb4+ Ke3 63. Rb3+ Kd4 64. Rb4+ Ke5 65. Rb5+ Kf6 66. Rb6+ Kf7 67. Rb7+ Kg6 68. Rb6+ Kh7 69. g3 Rg6 70. Rb7 Rf6 71. Rb4 Kh6 72. Ra4 g5 73. hxg5+ Kxg5 74. Rb4 Re6 75. Ra4 Re4 76. Ra5 Re3 77. Kh2 Kg4 78. Ra4+ Re4 79. Ra3 Re2+ 80. Kg1 h4 81. gxh4 Kxh4 82. Ra4+ Kg3 83. Ra3+ Kg4 84. Ra4+ f4 85. Ra8 Kf3 86. Ra3+ Re3 87. Ra4 Re2 88. Ra3+ Re3 89. Ra4 Kg3 90. Kf1 f3 91. Ra8 Re4 92. Rg8+ Kf4 93. Rf8+ Ke3 94. Rh8 Rd4 95. Re8+ Re4 96. Rd8 Rh4 97. Re8+ Kf4 98. Rf8+ Kg3 99. Rg8+ Rg4 100. Rf8 1/2-1/2

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2007.05.28"]
[Round "4"]
[White "Hauffen, Kai"]
[Black "Lange, Marcus"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "1527"]
[BlackElo "1181"]
[PlyCount "138"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Nc3 Bg4 7. Be2 Be7 8. Bg5 Nbd7 9. 0-0 0-0 10. Bxf6 Nxf6 11. Nd2 Bxe2 12. Qxe2 Qc7 13. Rad1 a6 14. Nc4 Rac8 15. Ne3 Qc6 16. Nf5 Rc7 17. Rd2 b5 18. a3 Rb8 19. Rc1 a5 20. Nd5 Nxd5 21. Rxd5 Rb6 22. Nxe7+ Rxe7 23. Rcd1 Re6 24. b3 h6 25. R1d3 a4 26. Qd2 axb3 27. cxb3 Ra6 28. Rc3 Qb6 29. b4 Rf6 30. Qe2 Kh7 31. h3 Rf4 32. g3 Rf6 33. Qe3 Qxe3 34. fxe3 Rb6 35. Kg2 Kg6 36. Rc7 Ra6 37. Rd3 Kg5 38. Rb7 Rc6 39. Rd2 Rc3 40. Re2 Rxa3 41. Rxb5 h5 42. Rb8 Ra4 43. Rb5 h4 44. g4 Re6 45. Ra5 Rxb4 46. Ra7 Rf6 47. Rf2 Kg6 48. Rxf6+ Kxf6 49. Kf3 g6 50. Ra1 Ke6 51. Rd1 g5 52. Rc1 Rb5 53. Rc8 d5 54. exd5+ Rxd5 55. Rc7 e4+ 56. Kxe4 Rd2 57. Rc5 f6 58. Rc6+ Kf7 59. Rc7+ Kg6 60. Rc6 Rh2 61. Kd5 Rxh3 62. e4 Re3 63. Kd4 Re1 64. Rc3 Rg1 65. Kd5 Rxg4 66. Rc6 Rf4 67. Rb6 h3 68. Rb2 g4 69. e5 Rf5 0-1

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2007.05.28"]
[Round "3"]
[White "Meyer, Bettina"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1992"]
[BlackElo "1527"]
[PlyCount "79"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nc6 8. a3 h6 9. Bh4 Bg4 10. f3 Bh5 11. Qc2 Re8 12. Nge2 a6 13. 0-0 Qd6 14. Bf2 Rad8 15. Bf5 Nd7 16. Bg3 Nde5 17. dxe5 Nxe5 18. Rad1 c6 19. Nf4 Bg6 20. Nxg6 fxg6 21. Bd3 Qf6 22. Be2 Bc5 23. Bf2 g5 24. Nxd5 cxd5 25. Qxc5 Qe6 26. Bg3 Nc4 27. Bxc4 dxc4 28. e4 Rd3 29. Rxd3 cxd3 30. Qd4 Qb3 31. Be1 Re7 32. Qd8+ Kf7 33. Bc3 Qb5 34. Qd5+ Qxd5 35. exd5 Rd7 36. Rd1 Rxd5 37. Kf2 Kg6 38. g4 Rd7 39. Ke3 h5 40. Rxd3 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2007.05.27"]
[Round "2"]
[White "Greif, Gavin"]
[Black "Hauffen, Kai"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1151"]
[BlackElo "1527"]
[PlyCount "94"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nc6 5. Nc3 Nf6 6. Bg5 e6 7. Nf3 Be7 8. Bb5 0-0 9. 0-0 h6 10. Bh4 a6 11. Ba4 b5 12. Bc2 Nb4 13. Bb3 Nxe4 14. a3 Nxc3 15. Bxe7 Qxe7 16. bxc3 Nc6 17. Bc2 Bb7 18. Qd3 g6 19. Qe3 Kh7 20. Rab1 Na5 21. a4 Nc4 22. Qd3 Bxf3 23. Qxf3 Nd2 24. Qc6 Nxf1 25. Kxf1 bxa4 26. Qxa4 Qe8 27. Qc4 Qc8 28. Qd3 d5 29. h4 Qc4 30. h5 Qxd3+ 31. Bxd3 a5 32. hxg6+ fxg6 33. Ke2 a4 34. Ra1 a3 35. f3 Rfb8 36. Kd1 Rb2 37. g4 a2 38. f4 Rg2 39. f5 Rg1+ 40. Kd2 Rxa1 41. fxe6 Rd1+ 42. Kxd1 a1Q+ 43. Ke2 Ra2+ 44. Ke3 Qe1+ 45. Kf4 Rf2+ 46. Kg3 Qg1+ 47. Kh3 Rh2# 0-1

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2007.05.26"]
[Round "1"]
[White "Hauffen, Kai"]
[Black "Dietzen, Corinna"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1527"]
[BlackElo "1997"]
[PlyCount "82"]
[EventDate "2007.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 c6 4. dxe5 Nxe4 5. Bxf7+ Kxf7 6. Qf3+ Nf6 7. exf6 Qxf6 8. Qb3+ d5 9. Nf3 h6 10. 0-0 Bd6 11. Be3 Rf8 12. Bd4 Qf4 13. Re1 Nd7 14. Qc3 g5 15. g3 Qf5 16. Nbd2 h5 17. Qe3 c5 18. Be5 Nxe5 19. Nxe5+ Kf6 20. Nd3 b6 21. f4 gxf4 22. Nxf4 h4 23. Rf1 Kg7 24. Rae1 hxg3 25. Qxg3+ Qg4 26. Qxg4+ Bxg4 27. Nxd5 Rxf1+ 28. Rxf1 Be5 29. c3 Rd8 30. c4 Bxb2 31. Rf4 Be6 32. Nc7 Bh3 33. Nf3 Kg6 34. Ne6 Bxe6 35. h4 Bd4+ 36. Kg2 Bxc4 37. Rg4+ Kh6 38. Rg5 Bxa2 39. h5 Rg8 40. Rxg8 Bxg8 41. Kg3 Kxh5 0-1

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2007.04.14"]
[Round "7"]
[White "Thieme, Alexander"]
[Black "Hauffen, Kai"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1040"]
[BlackElo "1465"]
[PlyCount "90"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Bd3 Be7 8. 0-0 0-0 9. Bg5 b5 10. a3 Bb7 11. b4 Nbd7 12. Nf3 Rc8 13. Bd2 Qc7 14. Re1 Ng4 15. h3 Nge5 16. Nxe5 Nxe5 17. Ne2 Bf6 18. Rc1 Rfd8 19. f4 Ng6 20. c3 Qb6+ 21. Kh1 d5 22. e5 Be7 23. Bxg6 fxg6 24. Nd4 Bh4 25. Rf1 Re8 26. Qg4 Bd8 27. Qf3 Bc6 28. g4 Bd7 29. f5 gxf5 30. gxf5 exf5 31. Rce1 Be6 32. Nxf5 Bxf5 33. Qxf5 Qe6 34. Qxe6+ Rxe6 35. Rf3 Bh4 36. Re2 Rce8 37. Rf5 g6 38. Rf4 Bg3 39. Rf6 Rxf6 40. Re3 Bxe5 41. Re2 Rfe6 42. Rf2 Bg3 43. Rf3 Re2 44. Rxg3 Rxd2 45. Rg1 Ree2 0-1

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2007.04.13"]
[Round "5"]
[White "Hauffen, Kai"]
[Black "Jentzsch, Jakob"]
[Result "1-0"]
[ECO "B79"]
[WhiteElo "1465"]
[BlackElo "1398"]
[PlyCount "53"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 0-0 8. f3 Nc6 9. Qd2 Bd7 10. 0-0-0 Qa5 11. Bb3 a6 12. g4 Ne5 13. h4 h5 14. gxh5 Nxh5 15. f4 Ng4 16. f5 Ne5 17. fxg6 Nxg6 18. Rdg1 b5 19. Rxg6 Kh7 20. Rg5 Nf6 21. Rhg1 Bh8 22. Qe2 Bg4 23. R1xg4 Nxg4 24. Qxg4 Bg7 25. Rxg7+ Kh8 26. Qg5 Qxc3 27. Qh6# 1-0

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2007.04.13"]
[Round "6"]
[White "Meyer, Stephan"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1538"]
[BlackElo "1465"]
[PlyCount "51"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 exd4 5. e5 Nd5 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 0-0 9. Be2 d6 10. 0-0 Re8 11. Nc4 Nf4 12. Re1 Nxe2+ 13. Rxe2 Be6 14. d5 Bg4 15. dxc6 Bxf3 16. gxf3 Qg5+ 17. Kh1 Qf4 18. Re4 Qh6 19. cxb7 Rab8 20. exd6 Rxe4 21. fxe4 cxd6 22. Qxd6 Qxd6 23. Nxd6 Rd8 24. Rc1 h6 25. Rc8 Rxc8 26. bxc8Q+ 1-0

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2007.04.12"]
[Round "4"]
[White "Lindner, Sebastian"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1560"]
[BlackElo "1465"]
[PlyCount "115"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 b6 9. 0-0 Bb7 10. Qe2 c5 11. Rad1 h6 12. Bh4 Ne4 13. Bg3 Nxg3 14. hxg3 Qb8 15. d5 exd5 16. Nxd5 Bf6 17. Ne7+ Bxe7 18. Rxd7 Bf6 19. Bxf7+ Kh8 20. Bd5 Bxd5 21. Rxd5 Qb7 22. Rfd1 Qf7 23. b3 Rfd8 24. Qc4 Rf8 25. Qb5 Rfd8 26. Qc4 Rf8 27. Qb5 Rfd8 28. Rd7 Qe8 29. Rxd8 Rxd8 30. Qxe8+ Rxe8 31. Rd7 a5 32. Rb7 Re6 33. Rd7 Bc3 34. Kf1 Kh7 35. Nh4 Bb4 36. Ke2 Rf6 37. e4 Re6 38. f3 b5 39. Kd3 Be1 40. Nf5 Rg6 41. Rc7 Bxg3 42. Rxc5 Be1 43. g4 Rb6 44. Rc7 Kg6 45. Rxg7+ Kf6 46. Rh7 Kg5 47. Rg7+ Kf4 48. Ke2 Bc3 49. Ne3 Rd6 50. Nd5+ Ke5 51. Nxc3 Kf6 52. Rc7 b4 53. Nd5+ Ke5 54. Ke3 Ra6 55. Rh7 Rg6 56. Re7+ Kd6 57. Ra7 Kc5 58. Rxa5+ 1-0

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2007.04.11"]
[Round "2"]
[White "Fittkau, Nico"]
[Black "Hauffen, Kai"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1458"]
[BlackElo "1465"]
[PlyCount "54"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 Nf6 5. h3 a6 6. d3 g6 7. Ne2 Qc7 8. Ng3 Bg7 9. Be2 0-0 10. 0-0 b5 11. Be3 Bh6 12. Qc1 Bd7 13. Nh1 Qc8 14. Nf2 Nh5 15. Kh2 Nd4 16. Nxd4 cxd4 17. Bd2 Nf6 18. g4 Ne8 19. g5 Bg7 20. Bg4 f5 21. exf5 Bxf5 22. Bxf5 Qxf5 23. a4 Nc7 24. Ne4 bxa4 25. Rxa4 e5 26. Ng3 Qd7 27. Ra5 Nb5 1/2-1/2

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2007.04.11"]
[Round "3"]
[White "Hauffen, Kai"]
[Black "Funke, Johannes"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1465"]
[BlackElo "1361"]
[PlyCount "49"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. f3 0-0 8. Be3 a6 9. Qd2 Qc7 10. Bb3 b5 11. 0-0-0 Nbd7 12. g4 Ne5 13. h4 h5 14. Nd5 Nxd5 15. Bxd5 Bb7 16. Bxb7 Qxb7 17. gxh5 Nc4 18. Qd3 Nxe3 19. Qxe3 gxh5 20. Rdg1 Kh7 21. Rxg7+ Kxg7 22. Qg5+ Kh7 23. Qxh5+ Kg7 24. Rg1+ Kf6 25. Qf5# 1-0

[Event "Sachsen-ch U14"]
[Site "Sebnitz"]
[Date "2007.04.10"]
[Round "1"]
[White "Hauffen, Kai"]
[Black "Grosse, Christian"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1465"]
[BlackElo "1739"]
[PlyCount "98"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. Be2 0-0 12. 0-0 Bg5 13. c4 b4 14. Nc2 Rb8 15. b3 Kh8 16. Bg4 g6 17. Bxc8 Qxc8 18. f4 exf4 19. Nxf4 Bf6 20. Rc1 Be5 21. Qf3 f5 22. Qe3 Re8 23. Qd3 fxe4 24. Qe3 Qd7 25. Kh1 Bg7 26. Rcd1 Re5 27. Nd5 a5 28. h3 Ne7 29. Nf6 Bxf6 30. Rxf6 Nf5 31. Rfxd6 Nxe3 32. Rxd7 Nxc2 33. R7d2 Ne3 34. Re1 Nf5 35. g4 Nh4 36. Re3 Rf8 37. Rde2 Rf4 38. Kh2 g5 39. Kg1 Kg7 40. Kh2 Kf6 41. Rc2 Rc5 42. Rce2 Ke5 43. Kg1 Rc6 44. Rc2 Kd4 45. Ree2 Nf3+ 46. Kg2 Kd3 47. Kg3 e3 48. Kg2 Nd4 49. Rb2 Nxe2 0-1

[Event "GER-ch op U25"]
[Site "Willingen"]
[Date "2006.06.09"]
[Round "9"]
[White "Hauffen, Kai"]
[Black "Draeger, Julian"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1218"]
[BlackElo "1125"]
[PlyCount "110"]
[EventDate "2006.06.04"]
[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. Bc4 Nc6 3. Nf3 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 Bb4 7. 0-0 Bxc3 8. bxc3 h6 9. Bh4 0-0 10. Rb1 Na5 11. Bb3 Be6 12. Re1 c5 13. Bxe6 fxe6 14. Qd2 b6 15. Rbd1 b5 16. d4 Nc4 17. Qc1 cxd4 18. cxd4 exd4 19. Nxd4 Qd7 20. Qb1 a6 21. Nf3 Ng4 22. Bg3 e5 23. h3 Nf6 24. Nxe5 Qe6 25. Nxc4 Qxc4 26. Qb3 Rad8 27. Qxc4+ bxc4 28. f3 Rfe8 29. Rxd6 Rxd6 30. Bxd6 Rd8 31. Be7 Rd2 32. Bxf6 gxf6 33. Rc1 Kf7 34. a4 c3 35. g4 Ke6 36. f4 Re2 37. Kf1 Rxe4 38. Re1 Kd5 39. Rxe4 Kxe4 40. f5 Kf4 41. Ke2 Kg3 42. Kd3 Kxh3 43. Kxc3 Kxg4 44. Kd4 h5 45. c4 h4 46. c5 h3 47. c6 h2 48. c7 h1Q 49. c8Q Qd1+ 50. Kc5 Qc2+ 51. Kd6 Qxc8 52. Ke7 Kxf5 53. Kf7 Qd7+ 54. Kf8 Kg6 55. Kg8 Qe8# 0-1

[Event "GER-ch op U25"]
[Site "Willingen"]
[Date "2006.06.08"]
[Round "7"]
[White "Hauffen, Kai"]
[Black "Armbrust, Matthias"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "1218"]
[BlackElo "1739"]
[PlyCount "68"]
[EventDate "2006.06.04"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Ng4 7. Qd2 Nxe3 8. Qxe3 g6 9. 0-0-0 Bg7 10. h4 Nxd4 11. Rxd4 Bxd4 12. Qxd4 Rg8 13. Bc4 a6 14. f4 Be6 15. Bxe6 fxe6 16. g4 Qa5 17. g5 Rc8 18. Kb1 b5 19. Rd1 Rc4 20. Qd3 Qc7 21. f5 gxf5 22. exf5 e5 23. Qd5 Rg7 24. f6 Rf7 25. fxe7 Kxe7 26. Qa8 Qc6 27. Qa7+ Ke6 28. Qg1 Qf3 29. Rc1 Rxh4 30. g6 hxg6 31. Qxg6+ Qf6 32. Qg2 Rd4 33. Ne4 Rxe4 34. Qxe4 Rc7 1/2-1/2

[Event "GER-ch op U25"]
[Site "Willingen"]
[Date "2006.06.08"]
[Round "8"]
[White "Schmalz, David"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "1809"]
[BlackElo "1218"]
[PlyCount "103"]
[EventDate "2006.06.04"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 e6 5. Bg5 Ne7 6. Nc3 Nbc6 7. Bb5 a6 8. Bxc6+ Nxc6 9. Qd2 Be7 10. Bxe7 Qxe7 11. 0-0-0 b5 12. Qxd6 Qxd6 13. Rxd6 Bb7 14. Rhd1 Rd8 15. Rxd8+ Nxd8 16. Nd2 0-0 17. f3 Nc6 18. Nb3 Ne5 19. Nc5 Bc6 20. Nxa6 Ra8 21. Nc7 Rb8 22. N7xb5 Bxb5 23. Nxb5 Kf8 24. a4 Ke7 25. b3 Nc6 26. Kb2 Rc8 27. c3 h6 28. Nd4 Na5 29. Nb5 g6 30. Na3 Rb8 31. b4 Nb7 32. Nb5 Ra8 33. Kb3 Rb8 34. c4 f6 35. c5 Nd8 36. Rd6 Rc8 37. a5 Rb8 38. Na7 Rb7 39. Nc6+ Nxc6 40. Rxc6 f5 41. e5 g5 42. a6 Ra7 43. b5 h5 44. Kb4 f4 45. b6 Rxa6 46. b7 Rxc6 47. b8Q Kd7 48. Kb5 Rc8 49. Qd6+ Ke8 50. Qxe6+ Kd8 51. c6 h4 52. Qd7# 1-0

[Event "GER-ch op U25"]
[Site "Willingen"]
[Date "2006.06.06"]
[Round "5"]
[White "Hauffen, Kai"]
[Black "Bruehan, Jan"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1218"]
[BlackElo "1007"]
[PlyCount "105"]
[EventDate "2006.06.04"]
[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. Bc4 Bc5 3. Nf3 Nf6 4. 0-0 d6 5. Nc3 Bg4 6. d3 h6 7. Be3 Nc6 8. h3 Bh5 9. Na4 Bxe3 10. fxe3 a6 11. Nc3 b5 12. Bb3 b4 13. Nd5 Na5 14. Ba4+ c6 15. Nxb4 Qb6 16. Qd2 0-0 17. Rab1 c5 18. Nd5 Nxd5 19. exd5 c4 20. Kh1 cxd3 21. Qxd3 f5 22. Nd2 e4 23. Qc3 Rac8 24. Qd4 Qxd4 25. exd4 e3 26. Nf3 Nc4 27. Rg1 Rb8 28. Bb3 Nd2 29. Nxd2 exd2 30. c3 Rxb3 31. axb3 d1Q 32. Rgxd1 Bxd1 33. Rxd1 a5 34. Re1 Rb8 35. Kh2 Rxb3 36. Re2 a4 37. Rc2 Kf7 38. Kg3 g5 39. Kf3 Ke7 40. g4 fxg4+ 41. Kxg4 Kf6 42. Kh5 Kg7 43. h4 gxh4 44. Kxh4 a3 45. bxa3 Rxa3 46. c4 Ra4 47. Kh5 Rb4 48. c5 Rxd4 49. c6 Rxd5+ 50. Kg4 h5+ 51. Kh4 Kg6 52. c7 Rd1 53. c8Q 1-0

[Event "GER-ch op U25"]
[Site "Willingen"]
[Date "2006.06.06"]
[Round "6"]
[White "Kahleys, Kevin"]
[Black "Hauffen, Kai"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "1448"]
[BlackElo "1218"]
[PlyCount "56"]
[EventDate "2006.06.04"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Bd3 b5 9. 0-0 Bb7 10. a3 Qb6 11. Ncxb5 axb5 12. Bxb5+ Bc6 13. Bxc6+ Nxc6 14. c3 0-0 15. Bxf6 Bxf6 16. Qb3 Bxd4+ 17. cxd4 Qxb3 18. d5 exd5 19. exd5 Qxd5 20. Rad1 Qc5+ 21. Kh1 Rfe8 22. b4 Qc2 23. Rxd6 Re2 24. Rg1 Rae8 25. h3 Re1 26. Rxe1 Rxe1+ 27. Kh2 Re2 28. b5 Rxg2+ 0-1

[Event "GER-ch op U25"]
[Site "Willingen"]
[Date "2006.06.05"]
[Round "4"]
[White "Plumbaum, Nadja"]
[Black "Hauffen, Kai"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "971"]
[BlackElo "1218"]
[PlyCount "31"]
[EventDate "2006.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 e6 5. Bg2 Be7 6. 0-0 0-0 7. d3 d5 8. cxd5 Nxd5 9. Bd2 b6 10. Rc1 Bb7 11. a3 Nxc3 12. Bxc3 Qc8 13. Qd2 Rd8 14. Rc2 Qd7 15. Rfc1 c4 16. dxc4 1/2-1/2

[Event "GER-ch op U25"]
[Site "Willingen"]
[Date "2006.06.04"]
[Round "2"]
[White "Durmisi, Valon"]
[Black "Hauffen, Kai"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1570"]
[BlackElo "1218"]
[PlyCount "122"]
[EventDate "2006.06.04"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 Be7 8. 0-0 b5 9. a3 Bb7 10. f3 Nbd7 11. Bd3 0-0 12. Nce2 d5 13. Ng3 Qc7 14. Rc1 Nc5 15. Nb3 dxe4 16. Qe2 exd3 17. cxd3 Nfd7 18. d4 Bd5 19. Nxc5 Nxc5 20. dxc5 Bc4 21. Rxc4 bxc4 22. Qxc4 Rfc8 23. b4 a5 24. Ne4 axb4 25. axb4 Ra3 26. Bc1 Ra4 27. Bd2 Bd6 28. h3 Bf4 29. Nf6+ gxf6 30. Bxf4 Qb7 31. Bd2 Rd8 32. Rd1 Rxb4 33. Qxb4 Qxb4 34. Bxb4 Rxd1+ 35. Kf2 Rb1 36. Ba5 Rb5 37. Bb6 Kf8 38. Bc7 Rb2+ 39. Kg3 Rc2 40. h4 Ke8 41. Bd6 Kd7 42. Kh3 e5 43. g3 Ke6 44. Kg4 f5+ 45. Kh5 Rc3 46. g4 Rxf3 47. g5 e4 48. Bc7 e3 49. Ba5 e2 50. c6 Kd6 51. c7 Kd7 52. Kh6 Re3 53. c8Q+ Kxc8 54. Be1 Re7 55. Kxh7 f6+ 56. Kg6 fxg5 57. hxg5 f4 58. Kf6 Kd7 59. g6 Kd6 60. Bb4+ Kd7 61. Be1 Kd6 1/2-1/2

[Event "GER-ch op U25"]
[Site "Willingen"]
[Date "2006.06.04"]
[Round "1"]
[White "Hauffen, Kai"]
[Black "Rath, Oliver"]
[Result "0-1"]
[ECO "B57"]
[WhiteElo "1218"]
[BlackElo "1887"]
[PlyCount "68"]
[EventDate "2006.06.04"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. Be3 a6 8. f3 Qc7 9. Bb3 Na5 10. Qd2 Nxb3 11. Nxb3 b5 12. 0-0-0 a5 13. Kb1 e6 14. g4 b4 15. Ne2 Be7 16. h4 h5 17. g5 Ng8 18. f4 a4 19. Na1 a3 20. b3 Ra7 21. Rhf1 Bb5 22. f5 e5 23. Rde1 Qc6 24. Qd5 Qxd5 25. exd5 Bd8 26. c4 bxc3 27. Rf2 Ba5 28. Rc1 Ne7 29. Nxc3 Bd3+ 30. Nc2 Bxc3 31. Rf3 Be4 32. Rff1 Nxd5 33. Bg1 Bb2 34. Rce1 Nc3# 0-1

[Event "GER-ch op U25"]
[Site "Willingen"]
[Date "2006.06.04"]
[Round "3"]
[White "Hauffen, Kai"]
[Black "Voelz, Michael"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1218"]
[BlackElo "1629"]
[PlyCount "32"]
[EventDate "2006.06.04"]
[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. Bc4 Nf6 3. d4 exd4 4. Nf3 Nc6 5. Nxd4 Bc5 6. Nxc6 bxc6 7. Bg5 Bxf2+ 8. Ke2 Bb6 9. Rf1 d5 10. exd5 Bg4+ 11. Rf3 Bxf3+ 12. Kxf3 cxd5 13. Bb5+ Kf8 14. Nc3 Qc8 15. Bc6 Qf5+ 16. Kg3 Bf2# 0-1

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2006.04.22"]
[Round "7"]
[White "Schumer, Arik"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "1107"]
[BlackElo "1254"]
[PlyCount "87"]
[EventDate "2006.04.18"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 Bb7 8. Qe2 e6 9. Bg5 Be7 10. 0-0-0 0-0 11. f4 b4 12. Na4 Bxe4 13. Bxf6 d5 14. Bxe7 Qxe7 15. Rhe1 Nd7 16. Qg4 a5 17. f5 e5 18. Ne2 d4 19. Qxe4 Rfc8 20. Nxd4 Qg5+ 21. Qe3 Qxe3+ 22. Rxe3 exd4 23. Rxd4 Ra7 24. Rc4 Rd8 25. Rd4 Rf8 26. Re7 Rd8 27. Nc5 h6 28. Rexd7 Rdxd7 29. Rxd7 Rxd7 30. Nxd7 Kh7 31. Bxf7 b3 32. Bxb3 a4 33. Bxa4 g6 34. fxg6+ Kxg6 35. b4 h5 36. b5 h4 37. b6 h3 38. gxh3 Kg5 39. b7 Kh4 40. b8Q Kh5 41. Qg8 Kh6 42. Ne5 Kh5 43. Qg6+ Kh4 44. Qg4# 1-0

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2006.04.21"]
[Round "5"]
[White "Hauffen, Kai"]
[Black "Fittkau, Nico"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1254"]
[BlackElo "1402"]
[PlyCount "92"]
[EventDate "2006.04.18"]
[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 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 Nf6 5. Qe2 d5 6. e5 Nfd7 7. Ng5 Be7 8. Qg4 h5 9. Qg3 Nc6 10. c3 Nf8 11. 0-0 Qd7 12. f4 g6 13. Be3 Bxg5 14. Qxg5 Nh7 15. Qh4 Ne7 16. b4 0-0-0 17. a4 a6 18. Qf2 Nf5 19. Qe2 Nxe3 20. Qxe3 Kb8 21. Qe2 Qc8 22. a5 b5 23. Bxb5 axb5 24. Qxb5 c6 25. Qa4 Ba6 26. Rc1 Bb5 27. Qa3 Qa6 28. Nd2 Nf8 29. Qb3 Qa7 30. Kf2 h4 31. Ke3 Rh5 32. Nf3 Nh7 33. Qd1 Rh8 34. Nd2 Rf5 35. c4 dxc4 36. Nxc4 g5 37. fxg5 Nxg5 38. Nd6 Rf1 39. Qg4 Rxc1 40. Rxc1 Qe7 41. Kf4 h3 42. g3 f6 43. Rc5 fxe5+ 44. dxe5 Rf8+ 45. Ke3 Rf3+ 46. Kd4 Rd3# 0-1

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2006.04.21"]
[Round "6"]
[White "Hauffen, Kai"]
[Black "Osmanodja, Bilgin"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1254"]
[BlackElo "1522"]
[PlyCount "84"]
[EventDate "2006.04.18"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 0-0 8. f3 Nc6 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. g4 b5 13. h4 a5 14. h5 a4 15. Bd5 Nxd5 16. Nxd5 Nc4 17. Qh2 Nxe3 18. Nxe3 g5 19. f4 a3 20. b3 Qc7 21. Nd5 Qd8 22. fxg5 Be5 23. Qd2 Bc6 24. Nxc6 Rxc6 25. g6 Qd7 26. Qh6 fxg6 27. hxg6 Rf2 28. Qxh7+ Kf8 29. Rd2 Rf3 30. Rdd1 Rf2 31. Ne3 Qa7 32. Qh6+ Bg7 33. Qg5 Qa5 34. Rhf1 Rxf1 35. Rxf1+ Ke8 36. Nd5 Qa7 37. Qd2 e6 38. Ne3 Qc5 39. Rf3 Qe5 40. Qd3 Qa1+ 41. Kd2 Bc3+ 42. Ke2 Qe1# 0-1

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2006.04.19"]
[Round "3"]
[White "Hauffen, Kai"]
[Black "Jentzsch, Jakob"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1254"]
[BlackElo "1288"]
[PlyCount "123"]
[EventDate "2006.04.18"]
[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 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kf8 10. 0-0 Nc6 11. Bb3 d5 12. Qc2 Bg4 13. Nbd2 Bxf3 14. Nxf3 Qd6 15. Qe2 a6 16. Bc2 Re8 17. Rfe1 Qh6 18. Bb3 Qd6 19. Rad1 h6 20. Qe3 Re7 21. Nh4 g6 22. Qd3 Nb4 23. Qb1 Kg7 24. f3 Qf6 25. fxe4 Qxh4 26. e5 Rd8 27. Rf1 Nc6 28. Qd3 Nxd4 29. Qxd4 Qxd4+ 30. Rxd4 Rxe5 31. Rfd1 c6 32. R1d2 Rde8 33. Kf1 Rf8+ 34. Rf2 Rxf2+ 35. Kxf2 Kf6 36. Rd3 g5 37. Bc2 h5 38. Rf3+ Kg7 39. Rf5 Rxf5+ 40. Bxf5 a5 41. Bc8 b6 42. Bb7 c5 43. Bxd5 Kf6 44. Ke3 Ke5 45. Bf7 h4 46. h3 b5 47. a3 b4 48. a4 Kd6 49. Ke4 Ke7 50. Bc4 Kf6 51. b3 Ke7 52. Ke5 Kd7 53. Kf5 Kd6 54. Kxg5 Ke5 55. Kxh4 Kf6 56. g4 Kg6 57. g5 Kg7 58. Kh5 Kh7 59. Bd5 Kg7 60. g6 Kh8 61. Kh6 c4 62. g7# 1-0

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2006.04.19"]
[Round "4"]
[White "Hentschel, Lars"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1137"]
[BlackElo "1254"]
[PlyCount "137"]
[EventDate "2006.04.18"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 Nbd7 8. f3 Be7 9. Qd2 b5 10. 0-0-0 Bb7 11. a3 Rc8 12. Rhe1 Ne5 13. g4 Qa5 14. g5 Nfd7 15. f4 Nc4 16. Nb3 Qc7 17. Bxc4 Qxc4 18. e5 d5 19. Qd4 Qxd4 20. Bxd4 0-0 21. h4 Nc5 22. Nxc5 Bxc5 23. Bxc5 Rxc5 24. Rg1 Rc4 25. Ne2 Re4 26. Rge1 Rc8 27. c3 Rcc4 28. Kb1 Re3 29. Nd4 Rh3 30. Rh1 Rxh1 31. Rxh1 a5 32. Rc1 g6 33. b3 Rc5 34. Kb2 Ba6 35. Rd1 Rc8 36. Nc2 Kg7 37. Rd4 h6 38. a4 bxa4 39. Rxa4 Rc5 40. Ne3 Bd3 41. c4 hxg5 42. hxg5 Kf8 43. Kc3 Be4 44. Kd4 Rc8 45. Rxa5 Rb8 46. Rb5 Rxb5 47. cxb5 Ke8 48. Kc5 Ke7 49. Kb6 Kd8 50. Ka7 d4 51. Nc4 d3 52. b6 Kc8 53. Nd6+ Kd7 54. Nxe4 Kc6 55. b7 Kd5 56. Nd2 Kd4 57. b8Q Ke3 58. Qb4 Ke2 59. Kb6 Kd1 60. Kc5 f6 61. gxf6 g5 62. fxg5 Ke2 63. Kd4 Kd1 64. Kxd3 Ke1 65. Nb1+ Kf1 66. Ke3 Kg1 67. Qd2 Kh1 68. Kf3 Kg1 69. Qg2# 1-0

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2006.04.19"]
[Round "2"]
[White "Matschewsky, Justus"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "1370"]
[BlackElo "1254"]
[PlyCount "85"]
[EventDate "2006.04.18"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Bc4 b5 8. Bb3 Bb7 9. f3 Be7 10. 0-0 Nbd7 11. a3 0-0 12. Bxe6 fxe6 13. Nxe6 Qe8 14. Nxf8 Qxf8 15. Bg5 Qf7 16. Bxf6 Nxf6 17. Re1 Nh5 18. Nd5 Rf8 19. Qd2 Bh4 20. Re2 Qg6 21. g4 Kh8 22. Rg2 Nf6 23. Ne7 Qg5 24. Nf5 d5 25. f4 Qg6 26. Nxh4 Qxe4 27. Re1 Qc4 28. Qb4 Qxb4 29. axb4 d4 30. Rg3 Ne4 31. Rd3 Rxf4 32. h3 g5 33. Rf3 Nd2 34. Rxf4 gxf4 35. Re8+ Kg7 36. Re7+ Kf6 37. Rxb7 Ke5 38. Rxh7 f3 39. Re7+ Kf4 40. Rf7+ Kg3 41. Nxf3 Nxf3+ 42. Rxf3+ Kxf3 43. Kf1 1-0

[Event "Sachsen-ch U12"]
[Site "Sebnitz"]
[Date "2006.04.18"]
[Round "1"]
[White "Hauffen, Kai"]
[Black "Moehn, Hans"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1254"]
[BlackElo "1588"]
[PlyCount "135"]
[EventDate "2006.04.18"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. f3 Nc6 8. Be3 0-0 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. g4 b5 13. h4 a5 14. h5 a4 15. Bd5 Nxd5 16. Nxd5 Nc4 17. Qh2 Nxe3 18. hxg6 h6 19. gxf7+ Rxf7 20. Nxe3 Qb6 21. Nef5 Bxf5 22. Nxf5 Qc5 23. Nxg7 Qg5+ 24. Kb1 Kxg7 25. Qe2 Qc5 26. Qd2 Rf6 27. Rc1 b4 28. Rhf1 a3 29. Qd5 Qxd5 30. exd5 axb2 31. Kxb2 Rc3 32. Rce1 Kf7 33. Re4 Rcxf3 34. Rxf3 Rxf3 35. Rxb4 Kg6 36. a4 Rf8 37. Re4 Rb8+ 38. Kc3 Kf6 39. Kd3 Kg5 40. Kc4 Rc8+ 41. Kb5 Rc5+ 42. Kb6 Rxd5 43. a5 Rc5 44. a6 Rxc2 45. a7 Rb2+ 46. Ka5 Ra2+ 47. Ra4 Rxa4+ 48. Kxa4 Kxg4 49. a8Q Kf5 50. Qf8+ Ke6 51. Qxh6+ Kd5 52. Qg5+ e5 53. Kb5 Kd4 54. Qd2+ Ke4 55. Qxd6 Kf4 56. Qe6 e4 57. Kc4 Ke3 58. Kd5 Kd3 59. Qxe4+ Kc3 60. Qd4+ Kb3 61. Qc4+ Kb2 62. Kd4 Kb1 63. Qb3+ Ka1 64. Qd3 Kb2 65. Qc3+ Kb1 66. Qd2 Ka1 67. Kc3 Kb1 68. Qb2# 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2005.05.21"]
[Round "9"]
[White "Hauffen, Kai"]
[Black "Zimmerer, David"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1120"]
[BlackElo "1193"]
[PlyCount "44"]
[EventDate "2005.05.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf5 d6 7. Ng3 Be6 8. Bb5 Qc7 9. 0-0 a6 10. Bd3 Be7 11. Be3 Rc8 12. Rc1 Rd8 13. Be2 d5 14. Bg5 d4 15. Nb1 Nb4 16. Nd2 Nxa2 17. Ra1 Nb4 18. Bd3 Rc8 19. Rc1 Qb6 20. Rb1 Nxd3 21. cxd3 Kd7 22. Qa4+ Qc6 1/2-1/2

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2005.05.19"]
[Round "8"]
[White "Hauffen, Kai"]
[Black "Gheng, Christian"]
[Result "1-0"]
[ECO "C61"]
[WhiteElo "1120"]
[BlackElo "743"]
[PlyCount "75"]
[EventDate "2005.05.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Nd4 4. Nxd4 exd4 5. Qf3 Nf6 6. c3 Bc5 7. cxd4 Bxd4 8. d3 0-0 9. Nc3 Bxc3+ 10. bxc3 d6 11. Qg3 Bg4 12. h3 Bh5 13. Bh6 Bg6 14. Bg5 h6 15. Bh4 Bh5 16. Bxf6 Qxf6 17. 0-0 Be2 18. Rfc1 Rae8 19. Qe3 Bh5 20. Qxa7 Re5 21. Qe3 Qg5 22. f4 Rc5 23. f5 Qg4 24. hxg4 Bxg4 25. Qf4 Be2 26. Re1 Bh5 27. g4 g5 28. Qg3 Re8 29. gxh5 Ree5 30. d4 Rxc4 31. dxe5 dxe5 32. Qd3 Rc6 33. Rf1 f6 34. Rad1 Rd6 35. Qc4+ Kf8 36. Qxc7 Rxd1 37. Rxd1 g4 38. Rd8# 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2005.05.19"]
[Round "7"]
[White "Nitsche Hahn, Raphael"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "E56"]
[WhiteElo "1086"]
[BlackElo "1120"]
[PlyCount "87"]
[EventDate "2005.05.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Be7 5. Bd3 0-0 6. 0-0 c5 7. Nc3 Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. b3 Bg4 11. Be2 d4 12. Nxd4 Bxd4 13. exd4 Qxd4 14. Bxg4 Qxg4 15. Qxg4 Nxg4 16. Ba3 Rfe8 17. Rfe1 Rab8 18. Rxe8+ Rxe8 19. h3 Nf6 20. Rd1 h6 21. Rd2 Ne4 22. Re2 Nd4 23. Rxe4 Rxe4 24. Nxe4 f5 25. Nd6 b5 26. Bc5 Ne6 27. Bxa7 b4 28. Nxf5 Kf7 29. Nd4 Nf4 30. Bc5 Nd5 31. Nc6 Ke6 32. Nxb4 Nf4 33. a4 Nd5 34. Nxd5 Kxd5 35. Bf8 g6 36. b4 Kc6 37. b5+ Kb6 38. Bb4 h5 39. g4 h4 40. f4 Kc7 41. a5 Kb7 42. a6+ Kb6 43. Ba5+ Ka7 44. f5 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2005.05.17"]
[Round "6"]
[White "Hauffen, Kai"]
[Black "Huynh, Nhi Lang"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1120"]
[BlackElo "1241"]
[PlyCount "120"]
[EventDate "2005.05.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Qe2 d5 10. Bd3 Nxd3+ 11. Qxd3 0-0 12. 0-0 Bf5 13. Qb3 b6 14. Nc3 Nxc3 15. Qxc3 Re8 16. Rfe1 Qd6 17. Re5 Be4 18. Re1 Rxe5 19. Nxe5 Re8 20. Re3 c5 21. f4 f6 22. Nd3 c4 23. Nb4 Qxf4 24. Nxd5 Qg5 25. Nxf6+ Qxf6 26. Qxc4+ Kh8 27. Qd3 Qg6 28. Qf1 Qf6 29. Qd3 Qc6 30. Qf1 Kg8 31. Qf4 Qc1+ 32. Kf2 Qd2+ 33. Kg3 Qxg2+ 34. Kh4 g5+ 35. Qxg5+ Qxg5+ 36. Kxg5 Bg6 37. Ra3 Ra8 38. Ra4 Kf7 39. d5 a5 40. Kf4 Rd8 41. Rd4 Kf6 42. b4 Bf7 43. Ke4 axb4 44. Rxb4 Bxd5+ 45. Kf4 Rb8 46. a4 b5 47. Rxb5 Rxb5 48. axb5 h5 49. b6 Kg6 50. h4 Bh1 51. Ke5 Bg2 52. Kf4 Bb7 53. Kg3 Kf6 54. Kf4 Bd5 55. Kg3 Kf5 56. Kh3 Kf4 57. Kh2 Kg4 58. Kg1 Kxh4 59. Kh2 Kg4 60. Kg1 Kg3 0-1

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2005.05.17"]
[Round "5"]
[White "Lange, Vanessa"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "1295"]
[BlackElo "1120"]
[PlyCount "109"]
[EventDate "2005.05.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. Nc3 e5 2. e4 Bb4 3. a3 Be7 4. Bc4 Nf6 5. d3 d6 6. Nge2 Be6 7. Bxe6 fxe6 8. Ng3 Nc6 9. 0-0 0-0 10. Nh5 Qe8 11. Nxf6+ Rxf6 12. Bg5 Rg6 13. Bd2 Bg5 14. f4 exf4 15. Bxf4 Bxf4 16. Rxf4 e5 17. Rg4 a6 18. Qe2 Nd4 19. Qd1 Qe6 20. Rxg6 Qxg6 21. Rc1 Rf8 22. Nd5 Rf7 23. c3 Nf3+ 24. Qxf3 c6 25. Qg3 Qxg3 26. hxg3 cxd5 27. exd5 Rf6 28. Rd1 Rg6 29. Kf2 Rg4 30. Kf3 h5 31. b4 Kf7 32. c4 b6 33. Rc1 Rd4 34. Rc3 g5 35. c5 bxc5 36. bxc5 Rxd5 37. c6 Rc5 38. Rxc5 dxc5 39. c7 Ke7 40. c8Q Kd6 41. Qd8+ Ke6 42. Qxg5 Kd5 43. Qxh5 Kd4 44. Qf5 a5 45. Qd7+ Kc3 46. Qd5 a4 47. Qxe5+ Kd2 48. Qxc5 Kxd3 49. g4 Kd2 50. g5 Ke1 51. g6 Kd2 52. g7 Kd3 53. g8Q Kd2 54. Qd8+ Ke1 55. Qc1# 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2005.05.16"]
[Round "4"]
[White "Hauffen, Kai"]
[Black "Sadjadi, Bijan Viktor"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1120"]
[BlackElo "750"]
[PlyCount "95"]
[EventDate "2005.05.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Bg5 d6 6. h3 0-0 7. Nc3 Be6 8. Nd5 Bxd5 9. Bxd5 h6 10. Be3 Bxe3 11. fxe3 Nxd5 12. exd5 Nb4 13. 0-0 Nxd5 14. e4 Ne3 15. Qe2 Nxf1 16. Rxf1 f5 17. exf5 Rxf5 18. Qe4 Rf4 19. Qg6 Qf6 20. Qh5 Kh7 21. Nd2 Rxf1+ 22. Nxf1 g6 23. Qe2 Rf8 24. b3 Qxf1+ 25. Qxf1 Rxf1+ 26. Kxf1 Kg7 27. Ke2 Kf6 28. Ke3 d5 29. g3 g5 30. g4 c5 31. c3 b5 32. a3 d4+ 33. cxd4 exd4+ 34. Ke4 Ke6 35. b4 Kd6 36. Kf3 cxb4 37. axb4 Ke6 38. Ke4 Kd6 39. Kxd4 Kc6 40. Ke5 Kb6 41. d4 a5 42. bxa5+ Kxa5 43. d5 Kb6 44. d6 Kc6 45. Ke6 b4 46. d7 b3 47. d8Q b2 48. Qd1 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2005.05.15"]
[Round "3"]
[White "Frey, Steffen"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1248"]
[BlackElo "1120"]
[PlyCount "91"]
[EventDate "2005.05.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5 Nxe5 6. dxe5 Nxe4 7. Qg4 Bxc3+ 8. bxc3 Nxc3 9. Qxg7 Rf8 10. Bc4 Qh4 11. Ba3 d6 12. Bd3 Qa4 13. Bc1 Qd4 14. Bh6 Qxe5+ 15. Qxe5+ dxe5 16. Bxf8 Kxf8 17. 0-0 Be6 18. Rfe1 f6 19. f4 Kf7 20. fxe5 fxe5 21. Rxe5 Rg8 22. Rae1 Bd5 23. Rf1+ Kg7 24. Rg5+ Kh8 25. Rxg8+ Kxg8 26. Rf4 c5 27. Bc4 Kg7 28. Rg4+ Kf6 29. Bxd5 Nxd5 30. c4 Ne3 31. Rf4+ Ke5 32. Rh4 b5 33. cxb5 c4 34. Kf2 Nd1+ 35. Ke2 Nb2 36. Kd2 Kd5 37. Kc2 Na4 38. Rxh7 Nb6 39. Rxa7 Kc5 40. h4 Kxb5 41. h5 Nd5 42. h6 Nf6 43. h7 Nxh7 44. Rxh7 Kc5 45. Rd7 Kc6 46. Rd2 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2005.05.15"]
[Round "2"]
[White "Hirning, Oliver"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "1511"]
[BlackElo "1120"]
[PlyCount "118"]
[EventDate "2005.05.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. c3 Nxb3 7. axb3 d6 8. h3 Nf6 9. d3 Be7 10. Bg5 0-0 11. 0-0 Bb7 12. Re1 c5 13. Nbd2 h6 14. Be3 Qc7 15. Rc1 d5 16. exd5 Bxd5 17. d4 e4 18. Ne5 c4 19. b4 a5 20. bxa5 Rxa5 21. Ng4 Nxg4 22. Qxg4 Qb7 23. Bxh6 Bf6 24. Bf4 Ra2 25. Rb1 Re8 26. f3 Be6 27. Qg3 Bf5 28. Nf1 Qa8 29. Bd6 exf3 30. Rxe8+ Qxe8 31. Re1 Qd7 32. Qxf3 g6 33. Ba3 b4 34. Bxb4 Rxb2 35. Bc5 Rb8 36. g4 Be6 37. Qxf6 Rb2 38. Qf3 Bd5 39. Qg3 Rg2+ 40. Qxg2 Bxg2 41. Kxg2 Qd5+ 42. Kg3 f5 43. Re8+ Kg7 44. Re7+ Kg8 45. Ne3 Qh1 46. gxf5 Qg1+ 47. Ng2 gxf5 48. Bd6 Qa1 49. Bb4 Qa8 50. Ne3 Qb8+ 51. Re5 Qd8 52. Rxf5 Qc7+ 53. Rf4 Qg7+ 54. Rg4 Qxg4+ 55. Nxg4 Kf7 56. Kf4 Ke6 57. Kg5 Kf7 58. Ne5+ Kg8 59. Kg6 Kh8 1-0

[Event "GER-ch U25"]
[Site "Willingen"]
[Date "2005.05.14"]
[Round "1"]
[White "Hauffen, Kai"]
[Black "Mueer, Sebastian"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1120"]
[BlackElo "1793"]
[PlyCount "80"]
[EventDate "2005.05.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 106 Extra"]
[Source "ChessBase"]
[SourceDate "2005.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.07.01"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. e5 c5 4. d4 cxd4 5. Qxd4 Bd7 6. Nf3 Nc6 7. Qf4 Bb4 8. Bd2 a6 9. Nd4 Nge7 10. Bd3 Nxd4 11. Qxd4 Nc6 12. Qg4 Qc7 13. Qxg7 Qxe5+ 14. Qxe5 Nxe5 15. Be2 Rg8 16. 0-0 Bc6 17. Ne4 Be7 18. Ng3 0-0-0 19. Bf4 Ng6 20. Bh6 f5 21. Bd3 Ne5 22. Be2 Nf7 23. Bf4 Bc5 24. c4 d4 25. Bd3 h5 26. h4 Rg4 27. Nxh5 Rxg2+ 28. Kh1 Rxf2+ 29. Kg1 Rg2+ 30. Kh1 Rxb2+ 31. Kg1 Rg2+ 32. Kh1 Rxa2+ 33. Kg1 Rg2+ 34. Kh1 Rd2+ 35. Kg1 Rg8+ 36. Bg3 Rg2+ 37. Kh1 R2xg3+ 38. Kh2 Rxd3 39. Nf6 Rg2+ 40. Kh1 Rh3# 0-1

[Event "Blaszczak Memorial 19th"]
[Site "Wroclaw"]
[Date "2004.??.??"]
[Round "5"]
[White "Hauffen, Kai"]
[Black "Chenska, Karolina"]
[Result "1-0"]
[ECO "C51"]
[PlyCount "24"]
[EventDate "2004.06.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "POL"]
[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. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. cxd4 Bb4+ 8. Bd2 Bxd2+ 9. Nbxd2 d6 10. Bb3 Nh6 11. 0-0 0-0 12. Re1 a6 1-0

[Event "Blaszczak Memorial 19th"]
[Site "Wroclaw"]
[Date "2004.??.??"]
[Round "3"]
[White "Hauffen, Kai"]
[Black "Gurgul, Adam"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "74"]
[EventDate "2004.06.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "POL"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Qe7 6. Qe2 Bg4 7. Qe3 Nc6 8. Bd3 Nf6 9. Nc3 Bxf3 10. gxf3 Nxd4 11. Qxe7+ Bxe7 12. f4 0-0 13. Be2 Nxc2+ 14. Kf1 Nxa1 15. Rg1 c6 16. f5 Nd5 17. Bh6 Bf6 18. Nxd5 cxd5 19. b3 Rfe8 20. Bf3 Nc2 21. Bxd5 Re1+ 22. Kg2 Rxg1+ 23. Kxg1 gxh6 24. Bxb7 Re8 25. Ba6 Re1+ 26. Bf1 d5 27. Kg2 d4 28. h3 Be5 29. Bd3 Nb4 30. Bc4 d3 31. Bxd3 Nxd3 32. a3 Nf4+ 33. Kf3 Nxh3 34. b4 Ng5+ 35. Kg4 Rg1+ 36. Kh5 Bf4 37. Kxh6 Rh1# 0-1

[Event "Blaszczak Memorial 19th"]
[Site "Wroclaw"]
[Date "2004.??.??"]
[Round "6"]
[White "Somyk, Marcin"]
[Black "Hauffen, Kai"]
[Result "1-0"]
[ECO "B71"]
[PlyCount "69"]
[EventDate "2004.06.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "POL"]
[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 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Ng4 9. Qf3 Qb6 10. h3 Nh6 11. Bc4 Qc7 12. exd6 Qxd6 13. Bd2 Bg7 14. 0-0-0 0-0 15. g4 e6 16. Kb1 f6 17. f5 gxf5 18. Bxh6 Qe7 19. Bxg7 Kxg7 20. gxf5 exf5 21. Rhg1+ Kh8 22. Qg3 Bb7 23. Rd6 Rae8 24. Re6 Rg8 25. Qxg8+ Rxg8 26. Rxg8+ Kxg8 27. Rxe7+ Kf8 28. Rxb7 Ke8 29. Rxh7 Kf8 30. Be6 Ke8 31. Ne2 Kf8 32. Nd4 Ke8 33. Nxc6 Kf8 34. a3 Ke8 35. Rh8# 1-0

