[Event "Mittelrhein Verbandsliga-O 1112"]
[Site "Germany"]
[Date "2012.02.26"]
[Round "7"]
[White "Martin, Heiko"]
[Black "Sonntag, Sebastian"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1667"]
[BlackElo "1299"]
[PlyCount "87"]
[EventDate "2011.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Siegburg"]
[BlackTeam "Hennef"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Bxd4 6. Bxd4 Nf6 7. e5 Qe7 8. f4 d6 9. Bb5 Bd7 10. Bxc6 Bxc6 11. 0-0 dxe5 12. fxe5 Nd7 13. Nd2 0-0-0 14. Qe1 a6 15. Nf3 Rhe8 16. Qc3 h5 17. Rae1 g5 18. Qe3 Rg8 19. e6 fxe6 20. Qxe6 Qxe6 21. Rxe6 Nf8 22. Rxc6 bxc6 23. Bf6 Rd5 24. Bxg5 Ne6 25. Bf6 Nf4 26. g3 Rf5 27. Be5 Ng6 28. Bc3 Rgf8 29. Nd2 Rxf1+ 30. Nxf1 Kd7 31. Nd2 h4 32. Kg2 hxg3 33. hxg3 Rf7 34. Ne4 Ke6 35. Ng5+ Ke7 36. Nxf7 Kxf7 37. Kf3 Ke6 38. Ke4 Ne7 39. Be5 Nd5 40. c4 Nf6+ 41. Bxf6 Kxf6 42. Kd4 Ke6 43. Kc5 Kd7 44. b4 1-0

[Event "Hennef op 20th"]
[Site "Hennef"]
[Date "2006.12.13"]
[Round "6"]
[White "Kelkel, Peter"]
[Black "Sonntag, Sebastian"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1414"]
[BlackElo "1187"]
[PlyCount "57"]
[EventDate "2006.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[BlackTeam "Germany"]
[BlackTeamCountry "GER"]

1. e4 e5 2. f4 Nc6 3. Nf3 d5 4. Nc3 Nf6 5. d3 Bg4 6. Be2 Bb4 7. Bd2 exf4 8. 0-0 0-0 9. Bxf4 Rc8 10. Bg5 Bxc3 11. bxc3 Re8 12. Nd2 Bxe2 13. Qxe2 Re6 14. d4 Qd6 15. e5 Nxe5 16. Bxf6 Nd7 17. Be5 Nxe5 18. dxe5 Rxe5 19. Qg4 Rce8 20. Rad1 Qa3 21. Nf3 Qc5+ 22. Kh1 Re3 23. Qf5 c6 24. Ng5 f6 25. Qxh7+ Kf8 26. Qh8+ Ke7 27. Qxg7+ Kd8 28. Qxf6+ R3e7 29. Ne6+ 1-0

[Event "Hennef op 20th"]
[Site "Hennef"]
[Date "2006.12.06"]
[Round "5"]
[White "Sonntag, Sebastian"]
[Black "Puetzstueck, Peter"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "1187"]
[BlackElo "1016"]
[PlyCount "112"]
[EventDate "2006.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[BlackTeam "Germany"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Nd4 Qxd5 5. c3 Nf6 6. d3 c5 7. Nc2 Bg4 8. Ne3 Bxd1 9. Nxd5 Nxd5 10. Kxd1 exd3 11. Bxd3 Nc6 12. Re1+ Be7 13. c4 Nb6 14. a3 0-0-0 15. Kc2 Rd4 16. Be3 Rh4 17. h3 Nxc4 18. Nd2 Nxe3+ 19. Rxe3 Nd4+ 20. Kc3 Bg5 21. Re5 Bxd2+ 22. Kxd2 Nb3+ 23. Kc3 Nxa1 24. Rxc5+ Kb8 25. Bf5 g6 26. Bg4 f5 27. Bf3 Rc8 28. Rxc8+ Kxc8 29. b4 g5 30. g4 fxg4 31. Bxg4+ Kc7 32. Kb2 h5 33. Be6 Rf4 34. Kxa1 Rxf2 35. Kb1 Kd6 36. Bc8 b6 37. Kc1 a5 38. b5 a4 39. Kb1 Rg2 40. Bb7 Rg1+ 41. Kc2 g4 42. hxg4 hxg4 43. Kd2 g3 44. Ke2 Ra1 45. Kd2 Rxa3 46. Kc2 Rb3 47. Bc6 Rxb5 48. Bxb5 g2 49. Bxa4 g1Q 50. Kb3 Kc5 51. Ka3 Qa1+ 52. Kb3 b5 53. Bxb5 Qb1+ 54. Ka3 Qxb5 55. Ka2 Kc4 56. Ka1 Kc3 0-1

[Event "Hennef op 20th"]
[Site "Hennef"]
[Date "2006.11.22"]
[Round "3"]
[White "Maassen, Hermann"]
[Black "Sonntag, Sebastian"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1597"]
[BlackElo "1187"]
[PlyCount "51"]
[EventDate "2006.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[BlackTeam "Germany"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 a6 5. Bxc6 dxc6 6. Nxe5 Nf6 7. d3 0-0 8. c3 Re8 9. Nf3 Ng4 10. d4 Bb6 11. h3 Nf6 12. e5 Nd5 13. Bg5 f6 14. exf6 Nxf6 15. Nbd2 c5 16. Nc4 Ba7 17. Bxf6 Qxf6 18. d5 c6 19. dxc6 Qxc6 20. Re1 Be6 21. Nce5 Qc8 22. Ng5 Bf5 23. Qd5+ Be6 24. Nxe6 Rxe6 25. Nd7 Kf7 26. Qxe6# 1-0

[Event "Hennef op 20th"]
[Site "Hennef"]
[Date "2006.11.15"]
[Round "2"]
[White "Sonntag, Sebastian"]
[Black "Herbst, Karl Friedrich"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1187"]
[BlackElo "1539"]
[PlyCount "46"]
[EventDate "2006.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[BlackTeam "Germany"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. 0-0 Bc5 5. Re1 d6 6. c3 Bg4 7. d3 Qd7 8. Be3 0-0-0 9. b4 Bxe3 10. Rxe3 d5 11. exd5 Nxd5 12. Bxd5 Qxd5 13. Na3 Rhe8 14. Qe2 f5 15. c4 Qd6 16. b5 Nd4 17. Qd2 Bxf3 18. Rxf3 Nxf3+ 19. gxf3 Qxa3 20. Rd1 e4 21. fxe4 fxe4 22. d4 e3 23. fxe3 Qxe3+ 0-1

[Event "Hennef op 20th"]
[Site "Hennef"]
[Date "2006.11.08"]
[Round "1"]
[White "Bigott, Martin"]
[Black "Sonntag, Sebastian"]
[Result "1-0"]
[ECO "C51"]
[WhiteElo "1746"]
[BlackElo "1187"]
[PlyCount "125"]
[EventDate "2006.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[BlackTeam "Germany"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. b4 Bxb4 6. c3 Ba5 7. d3 0-0 8. Bg5 h6 9. Bh4 d6 10. d4 Bg4 11. d5 Nb8 12. Bxf6 Qxf6 13. Be2 Nd7 14. h3 Bh5 15. Qa4 Bxc3 16. Nxc3 Nc5 17. Qd1 c6 18. Nd2 Bg6 19. Bf3 cxd5 20. Nxd5 Qh4 21. Qe2 f5 22. exf5 Bxf5 23. Qc4 Qxc4 24. Nxc4 e4 25. Ne7+ Kh7 26. Nxf5 exf3 27. g4 d5 28. Nce3 Rad8 29. Rfd1 g6 30. Nd4 a6 31. Rac1 b6 32. Rxc5 bxc5 33. Ne6 d4 34. Nxf8+ Rxf8 35. Nc4 Kg7 36. Rd3 Rf6 37. Ne5 g5 38. Kh2 Rd6 39. Nc4 Kf7 40. Kg3 Ke6 41. Rxf3 Rd8 42. Rf5 Rd5 43. Rf8 d3 44. Nd2 Rd4 45. Rc8 Kd5 46. Rd8+ Ke5 47. Nf3+ Ke4 48. Rxd4+ cxd4 49. Nd2+ Kd5 50. f4 gxf4+ 51. Kxf4 Kc5 52. Ke4 a5 53. a3 a4 54. h4 Kd6 55. Kf5 Ke7 56. Kg6 Ke6 57. Kxh6 Kf6 58. g5+ Kf5 59. g6 Kf4 60. g7 Ke3 61. Nc4+ Ke2 62. g8Q d2 63. Qg2+ 1-0

