[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.21"]
[Round "9"]
[White "Sonntag, Joachim"]
[Black "Burdot, Clara"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1751"]
[BlackElo "1568"]
[PlyCount "80"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. c4 Qd6 5. Nc3 c6 6. Nf3 Bg4 7. Be2 e6 8. 0-0 Be7 9. Re1 0-0 10. a3 Nbd7 11. Be3 Qc7 12. h3 Bh5 13. Rc1 Nb6 14. Ne5 Bxe2 15. Qxe2 Nfd7 16. f4 Nxe5 17. fxe5 Rfd8 18. Ne4 Rac8 19. Rf1 Rf8 20. Qh5 Qd8 21. Qf3 Nd7 22. c5 f6 23. Qg3 Qe8 24. Bh6 Qg6 25. Qxg6 hxg6 26. Bf4 g5 27. Bg3 f5 28. Nd6 Bxd6 29. cxd6 f4 30. Be1 Nb6 31. Bb4 Rfd8 32. Ba5 Rd7 33. h4 Nd5 34. hxg5 Kh7 35. Bd2 Rf8 36. g3 Rdf7 37. Kg2 Kg6 38. gxf4 Nxf4+ 39. Bxf4 Rxf4 40. Rcd1 Rg4+ 1/2-1/2

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.20"]
[Round "8"]
[White "Klaska, Philipp Leon"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "1609"]
[BlackElo "1751"]
[PlyCount "63"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. Be3 Be7 7. Nc3 0-0 8. Qd2 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. c4 Qd7 12. 0-0-0 a6 13. Be2 Qc7 14. Nxc6 Qxc6 15. Qc3 Bf6 16. Bd4 Bg5+ 17. Kb1 f6 18. Be3 Bxe3 19. Qxe3 e5 20. c5 Bf5+ 21. Bd3 Qe6 22. g4 Bxd3+ 23. Rxd3 Rad8 24. Rhd1 Qe7 25. Rd6 Qc7 26. Qe4 Rxd6 27. cxd6 Qd7 28. Qc4+ Rf7 29. Qd5 b5 30. Rc1 Qb7 31. Qxb7 Rxb7 32. Rc8+ 1-0

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.19"]
[Round "7"]
[White "Sonntag, Joachim"]
[Black "Steinke, Hans Joerg"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1751"]
[BlackElo "1644"]
[PlyCount "89"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Bb4+ 8. Nc3 Bd7 9. 0-0 f6 10. a3 Be7 11. Na4 Qc7 12. Bf4 fxe5 13. dxe5 a6 14. Rc1 Qa5 15. Bd2 Qc7 16. b4 Qb8 17. Nb6 Nh6 18. Nxa8 Qxa8 19. Bd3 Nf7 20. Re1 Qb8 21. Qe2 0-0 22. Bc3 g6 23. Qb2 Na7 24. Bd4 Ng5 25. Nxg5 Bxg5 26. Be3 Bxe3 27. Rxe3 Nc6 28. Rce1 Ne7 29. Qd4 Nf5 30. Bxf5 Rxf5 31. g4 Rf7 32. Rc3 Bc6 33. Rec1 Qf8 34. Qc5 Qd8 35. Qd4 Qg5 36. h3 Rf4 37. Qd1 Qxe5 38. Re3 Qf6 39. Qe1 Qh4 40. Rxc6 bxc6 41. Rxe6 Qxh3 42. Re8+ Rf8 43. Qe6+ Kg7 44. Re7+ Kh8 45. Qe5+ 1-0

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.18"]
[Round "6"]
[White "Teschler, Ansgar"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "A32"]
[WhiteElo "1624"]
[BlackElo "1751"]
[PlyCount "97"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. Bf4 e5 7. Bg5 a6 8. N5c3 Be7 9. Bxf6 Bxf6 10. Nd5 0-0 11. Nbc3 Be6 12. e4 Bxd5 13. Nxd5 Nc6 14. Be2 Qa5+ 15. Qd2 Qxd2+ 16. Kxd2 Bg5+ 17. Ke1 Nd4 18. Bd3 b5 19. h4 Bd8 20. cxb5 axb5 21. Kd2 Ra7 22. g3 b4 23. b3 Ba5 24. Rhc1 Rfa8 25. Ke3 Bd8 26. Bc4 g5 27. Nxb4 h6 28. hxg5 hxg5 29. g4 Bb6 30. Kd3 Bc5 31. Nc2 Nxc2 32. Rxc2 Bd4 33. Rac1 Rxa2 34. Bd5 Rxc2 35. Rxc2 Ra7 36. f3 Bc5 37. Rh2 Kg7 38. Rh5 Kg6 39. Rh8 Kg7 40. Rh5 Kg6 41. Rh8 Kg7 42. Rb8 Rc7 43. b4 Bd4 44. Bc4 Ra7 45. b5 Ra3+ 46. Kd2 Rxf3 47. b6 Rf2+ 48. Be2 Bc3+ 49. Kd3 1-0

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.17"]
[Round "5"]
[White "Sonntag, Joachim"]
[Black "Scholz, Benedict"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1751"]
[BlackElo "1581"]
[PlyCount "89"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Bd3 Be7 7. Nc3 d6 8. h3 0-0 9. 0-0 Be6 10. Nh2 d5 11. exd5 Nxd5 12. Nxd5 Bxd5 13. Qh5 g6 14. Qe2 f5 15. Bh6 Rf7 16. Rad1 Qc7 17. Bc4 Bxc4 18. Qxc4 Rd8 19. Nf3 e4 20. Nd4 Qb6 21. Nxc6 Qxc6 22. Rxd8+ Bxd8 23. Qxc6 bxc6 24. Rd1 Bc7 25. Kf1 Re7 26. Bg5 Rf7 27. c4 Kg7 28. b4 h6 29. Be3 Be5 30. Ke2 Rb7 31. a3 Bb2 32. Bd4+ Bxd4 33. Rxd4 Kf7 34. Rd6 Rc7 35. f3 exf3+ 36. Kxf3 a6 37. Kf4 c5 38. b5 axb5 39. cxb5 c4 40. b6 Rb7 41. a4 c3 42. a5 Rb8 43. Rc6 Ra8 44. b7 g5+ 45. Kf3 1-0

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.16"]
[Round "4"]
[White "Mischke, Daniel"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1526"]
[BlackElo "1751"]
[PlyCount "55"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. Bb5 Qc7 5. 0-0 Nd4 6. d3 a6 7. Ba4 Nf6 8. h3 b5 9. Bb3 Bb7 10. Nxd4 cxd4 11. Ne2 Bc5 12. Bf4 e5 13. Bh2 0-0 14. a3 d5 15. f3 Rad8 16. Ng3 Rfe8 17. Kh1 Bc8 18. Qd2 Be6 19. Rac1 Qd6 20. Qg5 h6 21. Qd2 b4 22. a4 Qd7 23. Ne2 Bd6 24. g4 a5 25. Ng3 dxe4 26. Bxe6 fxe6 27. fxe4 Nh7 28. b3 1/2-1/2

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.15"]
[Round "3"]
[White "Sonntag, Joachim"]
[Black "Dordevic, Tom"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1751"]
[BlackElo "1555"]
[PlyCount "77"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nde2 Nf6 8. 0-0 Be7 9. f4 Ng4 10. Qe1 Bc5+ 11. Kh1 b5 12. Qg3 h5 13. Bd2 Qa7 14. Nd1 Bb7 15. Rf3 0-0-0 16. Be3 Nxe3 17. Nxe3 h4 18. Qh3 Ne7 19. a3 d5 20. Nxd5 Nxd5 21. exd5 Bxd5 22. Rff1 f5 23. Nc3 Bc6 24. Rad1 Kb8 25. Be2 Qb7 26. Rxd8+ Rxd8 27. Rd1 Rxd1+ 28. Bxd1 Bd6 29. Ne2 e5 30. fxe5 Bxe5 31. c3 g5 32. Nd4 Bxd4 33. cxd4 g4 34. Qxh4 Bxg2+ 35. Kg1 Be4 36. Qh8+ Ka7 37. Qe5 Bh1 38. Qc5+ Ka8 39. Qf8+ 1/2-1/2

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.14"]
[Round "2"]
[White "Chennamangalam, Ashutosh"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "1561"]
[BlackElo "1751"]
[PlyCount "43"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. d3 Be7 6. f4 d6 7. Nf3 0-0 8. 0-0 Rb8 9. h3 b5 10. g4 b4 11. Ne2 d5 12. e5 Nd7 13. g5 f6 14. exf6 gxf6 15. Qe1 Rf7 16. Ng3 Qe8 17. Nh5 Kh8 18. Qh4 f5 19. b3 Nf8 20. Nf6 Bxf6 21. gxf6 Ng6 22. Qg5 1/2-1/2

[Event "Dortmund Sparkassen op-B 47th"]
[Site "Dortmund"]
[Date "2019.07.13"]
[Round "1"]
[White "Sonntag, Joachim"]
[Black "Ostra, Noah"]
[Result "1/2-1/2"]
[ECO "B86"]
[WhiteElo "1751"]
[BlackElo "1542"]
[PlyCount "54"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. 0-0 Nc5 9. Qe2 Qc7 10. f4 Nxb3 11. Nxb3 b5 12. a3 Bb7 13. Kh1 Be7 14. Nd4 0-0 15. Bd2 Qc5 16. Nf3 Rac8 17. Rac1 Qc4 18. Rfe1 Rfd8 19. f5 Qxe2 20. Rxe2 Rc4 21. fxe6 fxe6 22. Ng5 e5 23. Rce1 h6 24. Nf3 Rf8 25. Bc1 Nh5 26. Nd2 Rc7 27. g3 Nf6 1/2-1/2

[Event "Dortmund Sparkassen op-B 44th"]
[Site "Dortmund"]
[Date "2016.07.12"]
[Round "4"]
[White "Leder, Nils"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1699"]
[PlyCount "67"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. Re1 e6 8. d4 cxd4 9. cxd4 Be7 10. Nc3 0-0 11. Bf4 Rac8 12. Qe2 a6 13. d5 Nd8 14. Rad1 b5 15. e5 Ne8 16. exd6 Bxd6 17. dxe6 Nxe6 18. Bxd6 Nxd6 19. Ne4 Nf4 20. Qf1 Qg4 21. Rxd6 Rc2 22. Rd2 Rfc8 23. Rxc2 Rxc2 24. Ng3 h5 25. h4 f6 26. Ne2 Nd3 27. Rd1 Nxb2 28. Rd4 Qe6 29. Nf4 Qc6 30. Kh2 Qc7 31. Qe1 Qc5 32. Qe8+ Kh7 33. g3 Qc6 34. Qg6+ 1-0

[Event "Dortmund Sparkassen op-B 44th"]
[Site "Dortmund"]
[Date "2016.07.11"]
[Round "3"]
[White "Runte, Moritz"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1780"]
[PlyCount "107"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 Nc6 7. Bc4 Qc7 8. Bg5 e6 9. Ba2 Be7 10. 0-0 Nb4 11. Bb3 d5 12. Bxf6 Bxf6 13. exd5 exd5 14. Nxd5 Nxd5 15. Bxd5 0-0 16. c3 Rd8 17. Qb3 Qd7 18. Bc4 Qc7 19. Rfe1 b6 20. Bd5 Bb7 21. Bxb7 Qxb7 22. Rad1 g6 23. Nc2 Rxd1 24. Rxd1 Re8 25. Ne3 Bg5 26. Nd5 Re6 27. c4 Be7 28. Qf3 Kg7 29. Nf4 Rc6 30. Nd3 Qc7 31. Ne5 Rf6 32. Qc3 Rd6 33. Rxd6 Qxd6 34. Ng4+ f6 35. Ne3 Qe5 36. Qxe5 fxe5 37. Nd5 Bc5 38. b4 Bd4 39. Kf1 a5 40. c5 bxc5 41. b5 c4 42. b6 c3 43. Ke2 Kf7 44. b7 Ba7 45. Nb6 Ke6 46. Kd3 Bb8 47. Nc4 Kd7 48. Nxa5 Kc7 49. Kxc3 Ba7 50. f3 Bd4+ 51. Kb4 Ba7 52. Kb5 g5 53. Nc6 Kxb7 54. Nxa7 1-0

[Event "Dortmund Sparkassen op-B 44th"]
[Site "Dortmund"]
[Date "2016.07.10"]
[Round "2"]
[White "Sonntag, Joachim"]
[Black "Wiesemann, Peter"]
[Result "1-0"]
[ECO "C41"]
[BlackElo "1712"]
[PlyCount "109"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Nc3 Nf6 4. Bc4 Be7 5. h3 0-0 6. d3 a6 7. a4 c5 8. 0-0 Nc6 9. Nd5 Nxd5 10. Bxd5 Nb4 11. Bb3 Bd7 12. c3 Nc6 13. Nh2 Bg5 14. f4 Bxf4 15. Bxf4 exf4 16. Rxf4 Qg5 17. Qf1 Bxh3 18. Rxf7 Rxf7 19. Qxf7+ Kh8 20. Qf3 Bd7 21. Rf1 Qe7 22. Qf2 h6 23. Bd5 Rb8 24. Nf3 Rf8 25. Bxc6 Bxc6 26. b3 b5 27. Nh4 Rf6 28. Qf5 Qe8 29. Qg4 Rxf1+ 30. Kxf1 Qf7+ 31. Kg1 Bd7 32. Qg3 Qf6 33. axb5 axb5 34. e5 dxe5 35. Ng6+ Kh7 36. Nxe5 Be8 37. d4 cxd4 38. cxd4 Qd6 39. Qd3+ Bg6 40. Nxg6 Qxg6 41. Qxb5 Qb1+ 42. Kh2 Qe4 43. Qe5 Qb7 44. d5 Qxb3 45. Qe4+ Kh8 46. Qe8+ Kh7 47. d6 Qd5 48. d7 Qd6+ 49. g3 Qd2+ 50. Kh3 Qg5 51. d8Q Qf5+ 52. Kg2 Qc2+ 53. Kf3 Qc3+ 54. Qe3 Qc6+ 55. Qe4+ 1-0

[Event "Dortmund Sparkassen op-B 44th"]
[Site "Dortmund"]
[Date "2016.07.09"]
[Round "1"]
[White "Spaeh, Jan Lukas"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1682"]
[PlyCount "112"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Qc7 5. Re1 Bg4 6. h3 Bh5 7. c3 e6 8. d4 cxd4 9. cxd4 a6 10. Bxc6+ bxc6 11. Nc3 Nf6 12. Bg5 Be7 13. d5 0-0 14. g4 Bg6 15. dxe6 fxe6 16. e5 Nd5 17. exd6 Qxd6 18. Bxe7 Qxe7 19. Nxd5 cxd5 20. Qe2 Rae8 21. Ne5 Rf6 22. Nxg6 Rxg6 23. Qxa6 e5 24. Qd3 Rd8 25. Rad1 Qg5 26. Qg3 e4 27. f3 exf3 28. Qxf3 h5 29. Rd4 Rf6 30. Qe3 Qg6 31. Red1 hxg4 32. Rxg4 Qc2 33. Qd2 Qf5 34. Qg2 Rd7 35. Rg5 Qe6 36. Rg3 d4 37. b3 d3 38. Qd2 Qb6+ 39. Qe3 d2 40. Qxb6 Rxb6 41. Kf2 Kf7 42. Ke2 Re6+ 43. Re3 Red6 44. a4 Rd4 45. a5 g5 46. a6 R4d6 47. a7 Rxa7 48. Rxd2 Rb6 49. Rb2 Rd7 50. b4 Rb5 51. Re4 Kf6 52. Ke3 Kg6 53. Rd4 Rh7 54. Rh2 Rhb7 55. Rb2 Rh7 56. Rh2 Rhb7 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2013.08.04"]
[Round "9"]
[White "Guenaydin, Alperen"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "E34"]
[WhiteElo "1735"]
[BlackElo "1773"]
[PlyCount "101"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4 5. Qc2 0-0 6. e3 Nbd7 7. Bd3 h6 8. 0-0 b6 9. a3 Bd6 10. cxd5 exd5 11. Nb5 Ba6 12. Nxd6 Bxd3 13. Qxd3 cxd6 14. Bd2 Ne4 15. Bb4 Rc8 16. Rfc1 Ndf6 17. a4 Qd7 18. Qb5 Rxc1+ 19. Rxc1 Rc8 20. Ra1 Rc2 21. Qxd7 Nxd7 22. Be1 g5 23. a5 b5 24. a6 Nb8 25. b3 Rc6 26. Ra5 Rb6 27. Nd2 Nc3 28. Nf3 b4 29. Kf1 Nxa6 30. Bxc3 bxc3 31. Ne1 Nb4 32. Ke2 a6 33. Nd3 c2 34. Ra1 Rc6 35. Nc1 f5 36. Kd2 Kf7 37. Ra4 Rb6 38. Kc3 Nc6 39. Kxc2 a5 40. Ne2 Ke6 41. Ra1 Nb4+ 42. Kd2 Nc6 43. Kc3 Ra6 44. h4 Nb4 45. hxg5 hxg5 46. Kd2 Kf6 47. Rh1 a4 48. bxa4 Rxa4 49. Nc3 Ra6 50. Rb1 Rb6 51. Na2 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2013.08.03"]
[Round "8"]
[White "Sonntag, Joachim"]
[Black "Quante, Lennart"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1773"]
[BlackElo "1864"]
[PlyCount "58"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. 0-0 Nbd7 10. f4 Rc8 11. f5 Bc4 12. Nd2 Bxe2 13. Qxe2 b5 14. a3 Nb6 15. Bf2 Qc7 16. Qe3 Nc4 17. Nxc4 Qxc4 18. Qf3 0-0 19. Rfd1 Rfd8 20. Rac1 b4 21. axb4 Qxb4 22. Rb1 Qb7 23. h3 Rc4 24. b3 Rc6 25. Rd3 Rdc8 26. g4 Bd8 27. Ra1 Bb6 28. Ra2 Bxf2+ 29. Kxf2 Rxc3 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2013.08.02"]
[Round "7"]
[White "Sonntag, Joachim"]
[Black "Brinkmann, Fabian"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1773"]
[BlackElo "1822"]
[PlyCount "63"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 a6 10. 0-0 Be7 11. Rfe1 0-0 12. Ne5 Nxe5 13. Bxe5 Bh5 14. Qc2 Bg6 15. Nf3 Ne4 16. Bf4 f6 17. Re2 h5 18. Rae1 Rae8 19. Nd2 e5 20. dxe5 fxe5 21. Bxe5 Bc5 22. Bd4 Bxd4 23. cxd4 Nxf2 24. Bxg6 Qg4 25. Nf3 Nh3+ 26. Kh1 Rxe2 27. Rxe2 Nf4 28. Bh7+ Kh8 29. Re1 g6 30. Ne5 Qh4 31. g3 Qf6 32. Nd7 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2013.08.01"]
[Round "6"]
[White "Baumann, Stephan"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1759"]
[BlackElo "1773"]
[PlyCount "78"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 Nf6 6. 0-0 a6 7. d3 b5 8. Bb3 Nxb3 9. axb3 b4 10. Nb1 d5 11. e5 Ng4 12. d4 Qh4 13. Bf4 Bd7 14. Nd2 Bb5 15. Nf3 Qd8 16. Re1 Be7 17. Ng3 h5 18. h3 g5 19. Nxh5 Nxf2 20. Kxf2 Rxh5 21. Nxg5 Rxg5 22. Bxg5 Bxg5 23. dxc5 d4 24. Kg1 Be3+ 25. Kh1 Qg5 26. Qf3 Ra7 27. c3 bxc3 28. bxc3 Rc7 29. cxd4 Bc6 30. Qe2 Bxd4 31. Rxa6 Bd5 32. Ra2 Rxc5 33. Qa6 Bxe5 34. Qf1 Qg3 35. Kg1 Qh2+ 36. Kf2 Bg3+ 37. Ke2 Bxg2 38. Qg1 Re5+ 39. Kd2 Bxe1+ 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2013.07.31"]
[Round "5"]
[White "Steinberg, Christian"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1573"]
[BlackElo "1773"]
[PlyCount "49"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Bb4 7. Nxc6 bxc6 8. Bd2 Qc7 9. f3 Bc5 10. Na4 Bd6 11. g3 Be7 12. c4 0-0 13. 0-0 d5 14. cxd5 cxd5 15. exd5 Nxd5 16. Rc1 Qb7 17. Qc2 Bd7 18. Nc3 Rac8 19. Qb1 Bc5+ 20. Kh1 Nf6 21. Bd3 Bc6 22. Ne4 Nxe4 23. Bxe4 Bxe4 24. Qxe4 Qxe4 25. fxe4 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2013.07.30"]
[Round "4"]
[White "Sonntag, Joachim"]
[Black "Wagner, Mirco"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1773"]
[BlackElo "2047"]
[PlyCount "66"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Bc4 Bg4 7. Be3 e6 8. h3 Bh5 9. g4 Bg6 10. Ne5 Nbd7 11. Nxg6 hxg6 12. Qf3 Qc7 13. a3 Bd6 14. Bb3 Nb6 15. Ne4 Nxe4 16. Qxe4 Nd5 17. 0-0-0 0-0-0 18. Bxd5 cxd5 19. Qf3 Kb8 20. Kb1 Rc8 21. Qe2 a6 22. Rd3 Qe7 23. Qd2 Rc4 24. Rc3 Rhc8 25. Rxc4 Rxc4 26. Bf4 Ka7 27. Bxd6 Qxd6 28. Re1 Qh2 29. Qe3 Qg2 30. b3 Rc8 31. Rd1 Qh2 32. Rd3 Qc7 33. Qd2 Qd6 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2013.07.29"]
[Round "3"]
[White "Sonntag, Joachim"]
[Black "Sinnen, Robin"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1773"]
[BlackElo "1568"]
[PlyCount "37"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Ne5 Nbd7 9. Nxg6 hxg6 10. Be3 a6 11. Bg2 c6 12. Qd2 e6 13. Bf4 Qe7 14. 0-0-0 Nd5 15. Bxd5 cxd5 16. Nxd5 exd5 17. Rhe1 Qxe1 18. Rxe1+ Kd8 19. Qa5+ 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2013.07.28"]
[Round "2"]
[White "Jaskolka, Klaus"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1696"]
[BlackElo "1773"]
[PlyCount "98"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. cxd5 exd5 5. Nc3 Be7 6. e3 0-0 7. Qc2 b6 8. Bd3 Bb7 9. a3 c5 10. 0-0 Nc6 11. b3 g6 12. Bb2 Rc8 13. Qd1 cxd4 14. exd4 Bd6 15. Ne2 Re8 16. b4 Nh5 17. Bc1 Qc7 18. Ng3 Nf4 19. Bb5 a6 20. Ba4 a5 21. b5 Ne7 22. Bb3 Kg7 23. Bb2 Qd7 24. a4 Bb4 25. Ne5 Qe6 26. Qf3 Qf6 27. Ng4 Nh3+ 28. Kh1 Qxf3 29. gxf3 Bc3 30. Bxc3 Rxc3 31. Rab1 Rd3 32. Rfd1 Rxd1+ 33. Bxd1 h5 34. Ne5 h4 35. Ne2 Nxf2+ 36. Kg2 Nxd1 37. Rxd1 Nf5 38. Kf2 Nd6 39. Rc1 Rc8 40. Nc6 g5 41. Rc2 f6 42. Ke1 Kf7 43. Kd1 Nc4 44. Ke1 Bxc6 45. bxc6 Rxc6 46. Nc3 Na3 47. Rc1 Rc4 48. Ne2 Rxc1+ 49. Nxc1 Nc2+ 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2013.07.27"]
[Round "1"]
[White "Sonntag, Joachim"]
[Black "Gollnick, Rainer"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1773"]
[BlackElo "1469"]
[PlyCount "105"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 e6 6. Be2 Nf6 7. Be3 Nbd7 8. 0-0 Qc7 9. a4 Be7 10. Qd2 Ne5 11. a5 Nc4 12. Bxc4 Qxc4 13. f3 Bd7 14. b3 Qc7 15. Nde2 Rc8 16. Rfc1 h6 17. Bb6 Qb8 18. Rd1 g5 19. Bf2 g4 20. f4 Qc7 21. Bd4 e5 22. Bb6 Qc6 23. Ra4 Be6 24. f5 Bxf5 25. exf5 g3 26. hxg3 h5 27. Rc4 Qd7 28. Rxc8+ Qxc8 29. Nd5 Ne4 30. Nxe7 Kxe7 31. Qd3 Qc6 32. c4 h4 33. Qd5 h3 34. gxh3 Rxh3 35. Kg2 Rh5 36. g4 Rh4 37. Rg1 Qxd5 38. cxd5 Nf6 39. Kf3 Nxd5 40. Bf2 Rh2 41. g5 Nb4 42. Nc3 Nd3 43. Nd5+ Kf8 44. Rg2 Rh3+ 45. Rg3 Rh2 46. Bb6 Ne1+ 47. Ke3 Rb2 48. b4 Rb3+ 49. Kf2 Nd3+ 50. Kf1 Rb1+ 51. Ke2 Nc1+ 52. Kd2 Ra1 53. f6 1-0

[Event "Ruhrgebiet VK2 1213"]
[Site "Nordrheinwestfalen"]
[Date "2013.04.07"]
[Round "8.7"]
[White "Sonntag, Joachim"]
[Black "Kalus, Andreas"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1788"]
[BlackElo "1695"]
[PlyCount "98"]
[EventDate "2012.09.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Dortmund FS 98 II"]
[BlackTeam "Bottrop SV II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. 0-0 Nf6 7. a4 Bb7 8. d3 h6 9. Nc3 b4 10. Nd5 d6 11. Be3 Nd4 12. Bxd4 exd4 13. Qe1 a5 14. Nf4 Nd7 15. Qe2 0-0 16. Rfe1 Ne5 17. Nh5 g6 18. Nf4 Qf6 19. Nd5 Nxf3+ 20. Qxf3 Qxf3 21. gxf3 Bxd5 22. Bxd5 Rae8 23. f4 g5 24. f5 Kg7 25. Bc6 Re5 26. Kg2 Rb8 27. b3 Rb6 28. Bd5 c6 29. Bc4 Rb8 30. Kf3 Rbe8 31. Rg1 d5 32. exd5 cxd5 33. Bb5 Rxf5+ 34. Kg2 Re2 35. Rgf1 Rxc2 36. Rae1 Rc3 37. Rc1 Re5 38. Rb1 Bd6 39. Rfd1 Re7 40. h3 Kf6 41. Kf1 Kf5 42. Re1 Rxe1+ 43. Kxe1 Kf4 44. Kd2 Kf3 45. Be8 Kxf2 46. Bxf7 Bf4+ 47. Kd1 Rxd3+ 48. Kc2 Rd2+ 49. Kc1 Ke1 0-1

[Event "Ruhrgebiet VK2 1112"]
[Site "Nordrheinwestfalen"]
[Date "2012.04.22"]
[Round "9.6"]
[White "Drawe, Thomas"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1866"]
[BlackElo "1792"]
[PlyCount "74"]
[EventDate "2012.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Altenessen"]
[BlackTeam "Dortmund FS 98 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nc7 6. Nf3 Nc6 7. 0-0 e5 8. d3 Be7 9. Be3 Rb8 10. Ne4 b6 11. Nfg5 Bb7 12. f4 Nd5 13. Bd2 0-0 14. f5 Nd4 15. e3 Nc6 16. h4 h6 17. Qh5 Nf6 18. Nxf6+ Bxf6 19. Ne4 Nb4 20. Rad1 Nd5 21. g4 Bxh4 22. f6 Bxf6 23. Rf3 Bg5 24. Rf5 f6 25. Nxg5 hxg5 26. Be4 Ne7 27. Rxe5 Bxe4 28. Rxe4 g6 29. Qh2 Rf7 30. Bc3 Nd5 31. Re6 Rbb7 32. Rd6 Rbd7 33. Rxd7 Qxd7 34. Qg3 Nxe3 35. Qxe3 Qxg4+ 36. Kf2 Qxd1 37. Qe8+ Kg7 0-1

[Event "Ruhrgebiet VK2 1112"]
[Site "Nordrheinwestfalen"]
[Date "2012.03.25"]
[Round "8.7"]
[White "Multhaup, Alexander"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1656"]
[BlackElo "1792"]
[PlyCount "66"]
[EventDate "2012.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Recklinghausen Laeufer Ost II"]
[BlackTeam "Dortmund FS 98 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 c6 3. e3 Nf6 4. Bd3 Nbd7 5. Nbd2 e6 6. c3 Bd6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 Qc7 12. h3 h6 13. Re1 c5 14. Be3 b6 15. Qc1 Nd5 16. Bxh6 gxh6 17. Qxh6 f6 18. Re4 Bf4 19. Qh5 f5 20. Re2 Qf7 21. Qxf7+ Kxf7 22. dxc5 bxc5 23. Rae1 Bd7 24. g3 Rg8 25. Kh2 Bc7 26. Ne5+ Bxe5 27. Rxe5 Rge8 28. Bb3 Rac8 29. Bd1 Nf6 30. h4 Rg8 31. Kh3 Ne4 32. Bf3 Nxf2+ 33. Kg2 Nd3 0-1

[Event "Ruhrgebiet VK2 1112"]
[Site "Nordrheinwestfalen"]
[Date "2012.03.04"]
[Round "7.6"]
[White "Salzmann, Juergen"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1860"]
[BlackElo "1792"]
[PlyCount "114"]
[EventDate "2012.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Mengede SG"]
[BlackTeam "Dortmund FS 98 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nxc6 bxc6 7. e5 Ng8 8. Bc4 e6 9. 0-0 d6 10. exd6 Qxd6 11. Qxd6 Bxd6 12. Ne4 Be7 13. Rd1 Bb7 14. Be3 Nf6 15. Nc5 Bc8 16. Na4 Nd7 17. Rd2 0-0 18. Rad1 Ne5 19. Be2 Rb8 20. f4 Ng6 21. Nb6 Nxf4 22. Nd7 Nxe2+ 23. Rxe2 Rd8 24. Red2 Bxd7 25. Rxd7 Kf8 26. b3 Ke8 27. R7d3 Rd5 28. Rc1 e5 29. Rc3 Kd7 30. Rc4 f5 31. Ra4 a5 32. Bf2 Bb4 33. c3 Bc5 34. Bxc5 Rxc5 35. Rd1+ Ke7 36. Rh4 h6 37. c4 Rd8 38. Rxd8 Kxd8 39. Kf2 Ke7 40. Ke3 Kd6 41. Rh5 Ke6 42. Rh3 a4 43. Kd3 axb3 44. axb3 Ra5 45. Rg3 Kf6 46. Kc3 c5 47. Rd3 Ra2 48. Rd6+ Kg5 49. Rd7 g6 50. Rd5 e4 51. Rxc5 Rxg2 52. b4 Kf4 53. Rc8 Rxh2 54. b5 Rh3+ 55. Kc2 Rh2+ 56. Kc3 Rh3+ 57. Kc2 Rh2+ 1/2-1/2

[Event "Ruhrgebiet VK2 1112"]
[Site "Nordrheinwestfalen"]
[Date "2012.02.12"]
[Round "6.7"]
[White "Niemann, Walter"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "D66"]
[WhiteElo "1782"]
[BlackElo "1792"]
[PlyCount "46"]
[EventDate "2012.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Rochade Steele/Kray"]
[BlackTeam "Dortmund FS 98 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Be7 7. Rc1 0-0 8. Bd3 h6 9. Bh4 b6 10. cxd5 exd5 11. 0-0 Bb7 12. Re1 Ne4 13. Bxe7 Qxe7 14. Nxe4 dxe4 15. Bc2 exf3 16. gxf3 c5 17. Qd3 Qg5+ 18. Kf1 g6 19. Ke2 Qh5 20. e4 Bxe4 21. Qb3 Bxf3+ 22. Kd2 cxd4 23. Rg1 Qa5+ 0-1

[Event "Ruhrgebiet VK2 1112"]
[Site "Nordrheinwestfalen"]
[Date "2012.01.08"]
[Round "5.7"]
[White "Seibert, Michael"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1947"]
[BlackElo "1792"]
[PlyCount "147"]
[EventDate "2012.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Oberhausen SV III"]
[BlackTeam "Dortmund FS 98 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bg5 c6 3. e3 Nd7 4. c4 Ngf6 5. Nc3 e6 6. cxd5 exd5 7. Nf3 h6 8. Bh4 Be7 9. Bd3 0-0 10. a3 Re8 11. b4 Ne4 12. Bxe4 dxe4 13. Bxe7 Qxe7 14. Nd2 Nf6 15. Qc2 Bd7 16. 0-0 Rac8 17. a4 Bf5 18. Qb3 Red8 19. Rfc1 Be6 20. Qb1 Bf5 21. Ne2 Kh8 22. Ng3 Bg6 23. Nc4 Nd7 24. Rc3 b6 25. Nd2 Nf6 26. Qb2 Nd5 27. Rc4 f5 28. Rac1 Qe6 29. b5 Be8 30. Qa3 Bd7 31. bxc6 Rxc6 32. Rxc6 Bxc6 33. Nxf5 Bxa4 34. Nxg7 Kxg7 35. Qxa4 a5 36. Rc6 Qf5 37. Qc2 Rf8 38. Nxe4 Nxe3 39. Rc7+ Kh8 40. Qc6 Ng4 41. h3 Nf6 42. Qd6 Kg8 43. Qe7 Ne8 44. Rc6 Qf7 45. Qe5 Qf5 46. Qg3+ Kh7 47. Qh4 Qf4 48. Qe7+ Qf7 49. Qe5 Qf5 50. Rxb6 Qxe5 51. dxe5 Rf5 52. Rb5 a4 53. g3 Rf3 54. Ra5 a3 55. Kg2 Rd3 56. e6 Kg6 57. g4 Nf6 58. e7 Ne8 59. Ra6+ Kf7 60. Rxh6 Rd4 61. Ng5+ Kxe7 62. Ra6 Rd3 63. Ne4 Nc7 64. Ra7 Kd8 65. h4 Nd5 66. h5 Nf4+ 67. Kg1 Rd1+ 68. Kh2 Rd3 69. Nc5 Rh3+ 70. Kg1 Ne2+ 71. Kf1 Nc1 72. Kg2 Rc3 73. h6 Ne2 74. Ne6+ 1-0

[Event "Ruhrgebiet VK2 1112"]
[Site "Nordrheinwestfalen"]
[Date "2011.11.13"]
[Round "3.7"]
[White "Kuesgen, Dirk"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1837"]
[BlackElo "1792"]
[PlyCount "64"]
[EventDate "2012.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Bottrop SV"]
[BlackTeam "Dortmund FS 98 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 Be7 8. Qe2 a6 9. Rd1 Qc7 10. Bf4 Nf6 11. a3 0-0 12. Rac1 Bd7 13. Ba2 Rac8 14. e5 Nh5 15. Bg5 Qd8 16. Bxe7 Qxe7 17. exd6 Qd8 18. Ne4 Nf6 19. h3 Nxe4 20. Qxe4 Qa5 21. Qe3 Rfd8 22. Bb1 Qh5 23. Rc5 e5 24. Rdc1 Be6 25. Nxe5 Nxe5 26. Rxc8 Bxc8 27. Qc5 g6 28. Qc7 Re8 29. Ba2 Qg5 30. Rc5 Bxh3 31. Qxb7 Bxg2 32. Qxg2 Nf3+ 0-1

[Event "Ruhrgebiet VK2 1112"]
[Site "Nordrheinwestfalen"]
[Date "2011.10.09"]
[Round "2.7"]
[White "Sonntag, Joachim"]
[Black "Davydov, Boris"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1792"]
[BlackElo "1773"]
[PlyCount "48"]
[EventDate "2012.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Dortmund FS 98 II"]
[BlackTeam "Marten Boevinghausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. 0-0 0-0 9. f4 Qc7 10. Qe1 b5 11. Bf3 Bb7 12. a4 b4 13. Na2 Bxe4 14. Nxb4 Bxf3 15. Rxf3 d5 16. Kh1 Qb7 17. Nd3 Nc6 18. Nb3 Ne4 19. Na5 Nxa5 20. Qxa5 Rac8 21. Rc1 Bd8 22. Qe1 a5 23. f5 Bb6 24. fxe6 fxe6 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.31"]
[Round "9"]
[White "Schweda, Albert"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1575"]
[BlackElo "1750"]
[PlyCount "114"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 d6 4. 0-0 Nf6 5. d3 Bg4 6. h3 Bh5 7. c3 e6 8. a3 d5 9. exd5 Nxd5 10. Re1 Be7 11. Be3 0-0 12. Nbd2 Nxe3 13. Rxe3 Qc7 14. Qc2 Bg6 15. Ne4 Rad8 16. Rd1 Rd7 17. g4 Rfd8 18. Ba2 h6 19. Kg2 Kh8 20. Ng3 Bd6 21. Qe2 Bf4 22. Bb1 e5 23. Re1 Bxe3 24. Qxe3 Bxd3 25. Qxc5 Bxb1 26. Rxb1 Rd5 27. Qe3 Rd3 28. Qc5 Qd6 29. Qc4 Qd5 30. Qxd5 R3xd5 31. Re1 Re8 32. Nf5 b5 33. h4 Re6 34. Re4 Kh7 35. Ng3 Na5 36. g5 Nc4 37. Re2 Nd6 38. Nh2 f5 39. f4 g6 40. Nf3 e4 41. Nd4 Re8 42. Nc6 Rc5 43. Nd4 Nc4 44. Nf1 Kg7 45. Ne3 a6 46. Kf2 Kf7 47. Nxc4 bxc4 48. Ke3 Rb8 49. Rg2 hxg5 50. fxg5 Rh8 51. Rh2 Ke7 52. Kf4 Kd6 53. h5 Rxh5 54. Rxh5 gxh5 55. Nxf5+ Rxf5+ 56. Kxf5 e3 57. g6 Ke7 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.30"]
[Round "8"]
[White "Sonntag, Joachim"]
[Black "Seref, Serkan"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1750"]
[BlackElo "1578"]
[PlyCount "96"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bf5 6. Nc3 Nbd7 7. Nge2 Nb6 8. Bb5+ Bd7 9. d6 exd6 10. 0-0 c6 11. Bd3 d5 12. Ng3 Bc5+ 13. Kh1 0-0 14. Bf5 Bd6 15. Bxd7 Nbxd7 16. Nf5 Bc7 17. d4 h6 18. Qe1 Nh7 19. Qe3 Qf6 20. Qd3 Rfe8 21. Bd2 Re6 22. Rae1 Rae8 23. Nd1 Qg6 24. g4 Qf6 25. Nde3 Ng5 26. h4 Nh3 27. g5 hxg5 28. Ng4 Qg6 29. Rxe6 Rxe6 30. Re1 Rxe1+ 31. Bxe1 Qe6 32. Qf1 Nf4 33. Nge3 g6 34. Nh6+ Kg7 35. Nhg4 f5 36. Ne5 Nxe5 37. dxe5 Bxe5 38. hxg5 Bxb2 39. Qf2 Bd4 40. Nxf5+ Qxf5 41. Qxd4+ Kh7 42. Qg1 Nh3 43. Qg3 Nxg5 44. Qh4+ Kg8 45. Bg3 Qxf3+ 46. Kg1 Qd1+ 47. Kf2 Qxc2+ 48. Ke3 Qe4+ 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.29"]
[Round "7"]
[White "Golosnyak, Alexander"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1781"]
[BlackElo "1750"]
[PlyCount "83"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. Be3 e5 8. Nb3 Be6 9. g4 b5 10. g5 Nfd7 11. f4 Nb6 12. f5 Bc4 13. h4 N8d7 14. Bxb6 Nxb6 15. f6 h6 16. Bf3 hxg5 17. hxg5 Rxh1+ 18. Bxh1 gxf6 19. gxf6 Bxb3 20. axb3 Qc5 21. Ne2 Qe3 22. Qd3 Qxd3 23. cxd3 Bh6 24. Bf3 Bg5 25. Bg4 Nd7 26. Bxd7+ Kxd7 27. Ng3 Bxf6 28. Nf5 Bh4+ 29. Ke2 Bd8 30. Rc1 a5 31. Rf1 Ke6 32. Rh1 a4 33. Rh8 Rb8 34. Re8+ Kd7 35. Rf8 Rc8 36. bxa4 bxa4 37. Rxf7+ Ke6 38. Rb7 Rc2+ 39. Kd1 Rc5 40. Rb4 Ra5 41. Kc2 Ra7 42. b3 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.28"]
[Round "6"]
[White "Sonntag, Joachim"]
[Black "Porstmann, Jan"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1750"]
[BlackElo "1591"]
[PlyCount "40"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. Bg5 Be7 9. Qd2 Nbd7 10. f4 Rc8 11. f5 Bc4 12. Rd1 h6 13. Be3 b5 14. Bd3 Nb6 15. Qf2 Ng4 16. Qe2 Nxe3 17. Qxe3 Bg5 18. Qe2 b4 19. Nb1 Bxd3 20. Qxd3 Nc4 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.27"]
[Round "5"]
[White "Steiz, Johann"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1628"]
[BlackElo "1750"]
[PlyCount "86"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 cxd4 4. cxd4 d5 5. Nc3 Nc6 6. Bf4 a6 7. Nf3 Nf6 8. Bd3 Qb6 9. 0-0 Nh5 10. Na4 Qd8 11. Bg5 Be7 12. Bxe7 Nxe7 13. e5 Nf4 14. Bc2 Nc6 15. Nc5 g5 16. Qd2 h5 17. Nd3 Ng6 18. Qe3 Rg8 19. g3 Nge7 20. Nc5 b6 21. Ba4 bxc5 22. Bxc6+ Nxc6 23. dxc5 a5 24. Nd4 Nxd4 25. Qxd4 Rb8 26. Rfc1 Rb4 27. Qc3 Rc4 28. Qb3 Ba6 29. Rxc4 dxc4 30. Qa4+ Ke7 31. Rd1 Qc7 32. Rd6 Ra8 33. b4 cxb3 34. axb3 Qxc5 35. Qd7+ Kf8 36. Rxa6 Qc1+ 37. Kg2 Rxa6 38. Qd8+ Kg7 39. Qf6+ Kg8 40. Qd8+ Kh7 41. Qe7 Qc5 42. Kg1 Qc3 43. Qxg5 Rb6 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.26"]
[Round "4"]
[White "Sonntag, Joachim"]
[Black "Stoer, Nathan"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1750"]
[BlackElo "1705"]
[PlyCount "112"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. dxc5 Bxc5 8. 0-0 a5 9. Qe2 Nge7 10. Nbd2 Ng6 11. Nb3 d4 12. cxd4 Nxd4 13. Nfxd4 Bxd4 14. Nxd4 Qxd4 15. Be3 Qxe5 16. f4 Qd5 17. Rfd1 Ne7 18. a4 Nf5 19. Bc2 Qc6 20. Bf2 Nd6 21. Rac1 Rc8 22. Qe5 Ke7 23. b3 f6 24. Qe3 Qc3 25. Rd3 Qb2 26. Rcd1 Qxc2 27. Rxd6 Rc7 28. Qg3 g6 29. Bb6 Rhc8 30. Qh3 h5 31. Qe3 Qf5 32. Bxc7 Rxc7 33. Qb6 Qc2 34. R6d2 Qc3 35. Qd6+ Ke8 36. Rd3 Qc6 37. Qd4 Ke7 38. Qe3 Be8 39. Rd6 Qxd6 40. Rxd6 Kxd6 41. Qb6+ Bc6 42. Qxa5 Rd7 43. b4 Ke7 44. b5 Bd5 45. Qb4+ Rd6 46. a5 Kd7 47. Qd4 Be4 48. Qxf6 Rd5 49. Qf7+ Kd6 50. Qf8+ Kd7 51. Qb4 Bd3 52. a6 bxa6 53. bxa6 Bxa6 54. Qa4+ Bb5 55. Qa7+ Kd6 56. Qa3+ Kd7 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.25"]
[Round "3"]
[White "Wichtrup, Jan Louis"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1515"]
[BlackElo "1750"]
[PlyCount "32"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Nbd7 5. Nbd2 Qa5 6. Bd3 e6 7. 0-0 Bd6 8. c5 Bb8 9. a3 0-0 10. b4 Qc7 11. Bb2 Ng4 12. g3 f5 13. h3 Nxe3 14. fxe3 Qxg3+ 15. Kh1 Qxh3+ 16. Kg1 Rf6 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.24"]
[Round "2"]
[White "Sonntag, Joachim"]
[Black "Borch, Roland"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1750"]
[BlackElo "1590"]
[PlyCount "89"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. Be2 a6 6. a4 0-0 7. f4 c5 8. e5 dxe5 9. dxe5 Nfd7 10. Nf3 Nc6 11. 0-0 Qa5 12. Nd5 e6 13. Bd2 Qd8 14. Nc3 Qe7 15. Ne4 Rd8 16. Qe1 Nb4 17. Qc1 f5 18. Nd6 Nc6 19. Bc3 Nb6 20. Be1 Nd4 21. Nxd4 cxd4 22. Ba5 Nd5 23. Bxd8 Qxd8 24. Nc4 Bf8 25. Qd2 Bc5 26. Kh1 Bd7 27. c3 dxc3 28. bxc3 b5 29. axb5 Bxb5 30. Rf3 a5 31. Na3 Bd7 32. Rd3 Qe7 33. c4 Nb6 34. Qc2 a4 35. Bf3 Rc8 36. Nb5 Bxb5 37. cxb5 a3 38. Rc3 Bd4 39. Ra2 Qb4 40. Rxc8+ Nxc8 41. Qxc8+ Kg7 42. Qc1 Qb2 43. Qa1 Qxa1+ 44. Rxa1 Bxa1 45. b6 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.23"]
[Round "1"]
[White "Stricker, Florian"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1459"]
[BlackElo "1750"]
[PlyCount "104"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. d4 cxd4 3. Nxd4 Nf6 4. Nc3 a6 5. e4 d6 6. Bd3 Nc6 7. Nb3 e6 8. Bg5 Ne5 9. f4 Nxd3+ 10. Qxd3 Qc7 11. 0-0-0 b5 12. Bxf6 gxf6 13. f5 b4 14. Ne2 e5 15. Nd2 a5 16. Nc4 Ba6 17. b3 Rc8 18. Ng3 Bxc4 19. bxc4 h5 20. h4 Kd7 21. Qd5 Qxc4 22. Qxc4 Rxc4 23. Kb2 Be7 24. Rd3 Rhc8 25. Rd2 Rg8 26. Rh3 Bd8 27. Nxh5 Ke7 28. Ng3 Bb6 29. Re2 Bd4+ 30. Kb1 Rc3 31. Nf1 Rxh3 32. gxh3 Rg1 33. Re1 Bf2 34. Rd1 Bxh4 35. Ne3 Rxd1+ 36. Nxd1 Bg5 37. Kb2 d5 38. Kb3 dxe4 39. Kc4 Kd6 40. c3 e3 41. Kd3 e4+ 42. Ke2 Ke5 43. h4 bxc3 44. Nxc3 Bxh4 45. Kxe3 Bg5+ 46. Ke2 Kxf5 47. a4 Ke5 48. Nd1 f5 49. Nb2 Kd4 50. Kf1 f4 51. Kf2 Bh4+ 52. Kf1 f3 0-1

[Event "Ruhrgebiet Verbandsliga2 1011"]
[Site "Nordrheinwestfalen"]
[Date "2010.10.24"]
[Round "2.8"]
[White "Heimsoth, Sven Holger"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2111"]
[BlackElo "1839"]
[PlyCount "115"]
[EventDate "2010.09.12"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord III"]
[BlackTeam "Dortmund FS 98"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 c5 3. c4 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. Nc3 Nxc3 7. bxc3 e5 8. 0-0 Be7 9. d3 0-0 10. Rb1 Qc7 11. Qa4 Rb8 12. Ng5 Bd7 13. Qe4 Bxg5 14. Bxg5 b6 15. Rbc1 Rfe8 16. Qh4 f6 17. Be3 Ne7 18. Qc4+ Kh8 19. d4 Nf5 20. Bd2 Be6 21. d5 b5 22. Qd3 c4 23. Qc2 Bc8 24. e4 Nd6 25. Rb1 Bg4 26. Rfe1 Qf7 27. Be3 f5 28. f3 Bh5 29. Bc5 fxe4 30. Bxd6 Rbd8 31. fxe4 Rxd6 32. Rxb5 a6 33. Rbb1 h6 34. Rf1 Qa7+ 35. Qf2 Qc7 36. Qe3 Kh7 37. Bh3 Rb8 38. Bf5+ Kh8 39. Rxb8+ Qxb8 40. Kg2 Rf6 41. g4 Be8 42. h4 Qb6 43. Qg3 Qb8 44. g5 Rb6 45. Be6 Bg6 46. Qf3 Qe8 47. gxh6 Rb7 48. Qf8+ Qxf8 49. Rxf8+ Kh7 50. Kf3 Rb6 51. hxg7 Kxg7 52. Rc8 Bh5+ 53. Kg3 Be2 54. Rc6 Rb2 55. d6 Bf1 56. d7 Rg2+ 57. Kf3 Rd2 58. Bd5 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.12"]
[Round "9"]
[White "Hennrotte, Nils"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1585"]
[BlackElo "1789"]
[PlyCount "108"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. dxc5 Qxc5 6. Be3 Qf5 7. Na3 a6 8. Nc4 Be6 9. Bd3 Qg4 10. Qxg4 Bxg4 11. f3 Bh5 12. Ne2 Nf6 13. Nf4 Rd8 14. Rd1 Bg6 15. Nxg6 hxg6 16. 0-0 e6 17. Bc2 Nd5 18. Bf2 b5 19. Nd2 Bd6 20. g3 Ne5 21. Kg2 Ke7 22. Ne4 Nc4 23. Rfe1 Nxb2 24. Rb1 Nc4 25. Nxd6 Kxd6 26. Rbd1 Rhe8 27. Bb3 Rb8 28. Re4 Rec8 29. g4 Rb7 30. Bg3+ Kd7 31. a4 Ncb6 32. axb5 axb5 33. Be1 Rc5 34. Rd3 Kc8 35. Bd1 f5 36. gxf5 gxf5 37. Rh4 Rbc7 38. Be2 g5 39. Rh8+ Kb7 40. Bg3 f4 41. Bf2 Rxc3 42. Rxc3 Nxc3 43. Bd3 Rd7 44. Bxb6 Rxd3 45. Ba5 Nd5 46. Rg8 b4 47. Bxb4 Nxb4 48. Rg6 Rd5 49. Rxe6 Nc2 50. Re2 Ne3+ 51. Kh3 Rd6 52. Rb2+ Kc7 53. Rb7+ Kd8 54. Rd7+ Rxd7 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.11"]
[Round "8"]
[White "Sonntag, Joachim"]
[Black "Ziemek, Gerhard"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1789"]
[BlackElo "1710"]
[PlyCount "103"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e6 6. Bc4 Bc5 7. Nf3 Qb6 8. 0-0 Ng4 9. Qe2 Qc7 10. Nb5 Qb6 11. h3 Nge5 12. Nxe5 Nxe5 13. Bf4 d6 14. Bb3 a6 15. Nc3 Ng6 16. Ba4+ Ke7 17. Bg5+ f6 18. Bd2 Qc7 19. b4 Bd4 20. Qd3 Qb6 21. Rad1 Ne5 22. Qg3 Kf7 23. Ne2 Ng6 24. Nxd4 Qxd4 25. Bc3 Qxe4 26. Qxd6 Nf4 27. Qc7+ Kg6 28. f3 Qe3+ 29. Kh2 Ne2 30. Bd2 Qe5+ 31. Qxe5 fxe5 32. Rfe1 Nd4 33. Rxe5 b5 34. Be3 Nc6 35. Rc5 Nxb4 36. Bb3 Re8 37. Bd4 Re7 38. c3 Nd5 39. Bc2+ Kh6 40. Re1 Bb7 41. Re5 Rae8 42. g4 g5 43. h4 Rg8 44. Be4 Rgg7 45. a4 bxa4 46. c4 Nf4 47. hxg5+ Rxg5 48. Rxg5 Bxe4 49. fxe4 a3 50. Rg8 a2 51. Rh5+ Nxh5 52. Be3+ 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.10"]
[Round "7"]
[White "Sonntag, Joachim"]
[Black "Simanowski, Mio"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1789"]
[BlackElo "1604"]
[PlyCount "71"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Bb4 6. 0-0 b5 7. Bb3 d6 8. d3 Bg4 9. Nd5 Qd7 10. a4 Nxd5 11. Bxd5 Rb8 12. axb5 axb5 13. c3 Bxf3 14. Qxf3 Bc5 15. Ra6 Rb6 16. Ra2 0-0 17. b4 Bxb4 18. Bxc6 Qxc6 19. cxb4 Qc3 20. Bd2 Qb3 21. Rfa1 Rc6 22. h4 h6 23. Kh2 Rc2 24. Rxc2 Qxc2 25. Qe3 Rb8 26. Rc1 Qb2 27. Rxc7 Qa3 28. Qg3 g6 29. Qf3 Qb3 30. Bxh6 Qe6 31. Bg5 Rf8 32. Re7 Qf6 33. Qxf6 Kh7 34. Rxf7+ Rxf7 35. Qxf7+ Kh8 36. Bf6# 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.09"]
[Round "6"]
[White "Kiehn, Andreas"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "1630"]
[BlackElo "1789"]
[PlyCount "37"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 Bb4 8. Qc2 Ne4 9. Ndxe4 dxe4 10. Bf4 e5 11. dxe5 Nxe5 12. Be2 Bf5 13. Bxe5 Qxe5 14. 0-0-0 0-0 15. h4 Bxc3 16. Qxc3 Qxc3+ 17. bxc3 Rad8 18. Kc2 Be6 19. Rb1 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.08"]
[Round "5"]
[White "Sonntag, Joachim"]
[Black "Maibaum, Ludwig"]
[Result "1/2-1/2"]
[ECO "B77"]
[WhiteElo "1789"]
[BlackElo "1594"]
[PlyCount "36"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[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. Bb3 Nc6 9. f3 Bd7 10. Qd2 Rb8 11. Nxc6 bxc6 12. Bxa7 Rb7 13. Bd4 c5 14. Be3 Qa5 15. 0-0 Rc8 16. Nb1 Qa6 17. e5 dxe5 18. Na3 Bb5 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.07"]
[Round "4"]
[White "Budszuhn, Mirko"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B88"]
[WhiteElo "1451"]
[BlackElo "1789"]
[PlyCount "74"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 Nc6 8. 0-0 e6 9. Nf3 Be7 10. Re1 0-0 11. Bf4 Nh5 12. Be3 b5 13. Nd4 Nxd4 14. Bxd4 Nf4 15. Qf3 Ng6 16. a4 b4 17. Na2 Rb8 18. Rac1 Nh4 19. Qg3 e5 20. Be3 Be6 21. Bd2 a5 22. Rcd1 Bxb3 23. Qxb3 Qd7 24. Nc1 Kh8 25. Kh1 f5 26. f3 f4 27. Qa2 Qb7 28. Nb3 Bd8 29. Bc1 Qb6 30. Rf1 Qa6 31. Rf2 Bb6 32. Rfd2 Rf6 33. Rd3 Qc4 34. R1d2 Rg6 35. Qb1 Rd8 36. Re2 d5 37. Nd2 Qc5 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.06"]
[Round "3"]
[White "Sonntag, Joachim"]
[Black "Huckebrink, Chris"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1789"]
[BlackElo "1537"]
[PlyCount "120"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 Bd7 7. Bc2 cxd4 8. cxd4 Nb4 9. 0-0 Nxc2 10. Qxc2 Rc8 11. Nc3 Bb4 12. Qb3 Bxc3 13. Qxb6 axb6 14. bxc3 Rxc3 15. Bd2 Rc4 16. Rfb1 b5 17. a4 Rxa4 18. Rxa4 bxa4 19. Rxb7 Ne7 20. Ng5 f6 21. Nf7 Kxf7 22. Rxd7 a3 23. Ra7 Rb8 24. Kf1 Rb3 25. Ke2 a2 26. Rxa2 Nc6 27. Be3 fxe5 28. dxe5 d4 29. Bf4 h6 30. h4 g5 31. hxg5 hxg5 32. Bxg5 Nxe5 33. Bd2 Kg6 34. f3 Rb1 35. Ra4 d3+ 36. Ke3 Rg1 37. Kf2 Rb1 38. Re4 Rb5 39. Bc3 Nd7 40. Rxe6+ Kf7 41. Rd6 Nc5 42. Rd5 Ke6 43. Rd8 Rb3 44. Bd2 Nb7 45. Rb8 Na5 46. Rxb3 Nxb3 47. Ke3 Kf5 48. g3 Nc5 49. Bb4 Ne6 50. Bd6 Ng5 51. g4+ Kg6 52. Bb4 Kf6 53. Bc3+ Kg6 54. f4 Nf7 55. Kxd3 Nh6 56. g5 Nf5 57. Bb4 Ng3 58. Bc5 Nf5 59. Ke2 Ng3+ 60. Kf3 Nf5 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.05"]
[Round "2"]
[White "Kolleck, Wolf Dietrich"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "1615"]
[BlackElo "1789"]
[PlyCount "71"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. cxd5 exd5 7. Nf3 Qa5 8. Nd2 Bb4 9. Qc2 0-0 10. Be2 Ne4 11. Bh4 Nxc3 12. bxc3 Bxc3 13. Rd1 c5 14. 0-0 c4 15. Bf3 Bb4 16. e4 b5 17. exd5 Rb8 18. Be4 h6 19. Nf3 Qc7 20. Ne5 Bd6 21. f4 Nf6 22. Rde1 Nxe4 23. Qxe4 Re8 24. Qc2 Bb7 25. f5 Bxd5 26. f6 Bxe5 27. dxe5 Rxe5 28. Rxe5 Qxe5 29. Bg3 Qd4+ 30. Kh1 Be4 31. Qc1 Rd8 32. Qe1 gxf6 33. Bf4 h5 34. Be3 Qd5 35. Qg3+ Kh7 36. Rxf6 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.04"]
[Round "1"]
[White "Sonntag, Joachim"]
[Black "Weiss, Manfred"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1789"]
[BlackElo "1476"]
[PlyCount "80"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Bf4 c6 6. Nf3 Bg4 7. Be2 e6 8. 0-0 Be7 9. Re1 0-0 10. h3 Bh5 11. Qd2 Nbd7 12. Rad1 Nb6 13. Ne5 Bxe2 14. Qxe2 Ne4 15. Bh2 Nxc3 16. bxc3 Nd5 17. Rd3 Bf6 18. c4 Nb6 19. c5 Nd5 20. c4 Ne7 21. Ng4 Ng6 22. Qe4 h5 23. Nxf6+ Qxf6 24. Rb1 Qg5 25. Bd6 Rfd8 26. f4 Qh4 27. Rxb7 Rxd6 28. cxd6 Nxf4 29. Qf3 Qg5 30. Rdb3 Rd8 31. Rb8 Rxb8 32. Rxb8+ Kh7 33. Rb3 h4 34. d7 Qf6 35. Qe4+ g6 36. Rf3 Nxh3+ 37. Rxh3 a5 38. Rxh4+ Kg7 39. Qe5 Qxe5 40. dxe5 a4 1-0

[Event "Dortmund4"]
[Site "Dortmund"]
[Date "2006.05.31"]
[Round "10"]
[White "Sehrbrock, Christoph"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1756"]
[BlackElo "1787"]
[PlyCount "48"]
[EventDate "2006.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[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 e6 6. Be3 Bb4 7. Nxc6 Bxc3+ 8. bxc3 bxc6 9. Bd3 Qa5 10. Bd2 0-0 11. 0-0 Qc7 12. f4 c5 13. e5 Nd5 14. c4 Ne7 15. Rf3 d5 16. Rh3 g6 17. Qg4 f5 18. Qh4 Rf7 19. g4 Qd7 20. gxf5 Nxf5 21. Bxf5 Rxf5 22. cxd5 Rh5 23. dxe6 Qd4+ 24. Be3 Qxa1+ 0-1

[Event "Dortmund4"]
[Site "Dortmund"]
[Date "2006.05.26"]
[Round "9"]
[White "Sonntag, Joachim"]
[Black "Borjini, Mohamed"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1787"]
[BlackElo "1979"]
[PlyCount "73"]
[EventDate "2006.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 Qc7 7. Nf3 d6 8. Be3 Be7 9. Qd4 Nbd7 10. Bc4 0-0 11. Bb3 Nc5 12. Bg5 e5 13. Qe3 Ng4 14. Qd2 Bxg5 15. Nxg5 Nxb3 16. cxb3 h6 17. Nd5 Qd8 18. Nf3 f5 19. exf5 Bxf5 20. Ne3 Nxe3 21. fxe3 e4 22. Nd4 Bg4 23. Ne2 Rc8 24. Rc1 Rxc1+ 25. Qxc1 Qf6 26. Nf4 g5 27. 0-0 gxf4 28. Rxf4 Qe6 29. Qc4 Rxf4 30. exf4 Qxc4 31. bxc4 Be2 32. b3 Bd1 33. b4 Bb3 34. c5 d5 35. Kf2 d4 36. g4 e3+ 37. Kf3 0-1

[Event "Dortmund4"]
[Site "Dortmund"]
[Date "2006.05.17"]
[Round "6"]
[White "Melmer, Felix"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "1840"]
[BlackElo "1787"]
[PlyCount "49"]
[EventDate "2006.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 Nc6 3. Nc3 d5 4. e3 a6 5. d4 Bf5 6. Bd3 Be4 7. 0-0 e6 8. Ne5 Bb4 9. Ne2 h5 10. a3 Bd6 11. b4 Ne7 12. c4 c6 13. c5 Bc7 14. Nc3 Bxd3 15. Nxd3 Nf5 16. Qe2 Ng4 17. g3 f6 18. Kg2 g6 19. a4 Qe7 20. Rb1 e5 21. dxe5 fxe5 22. e4 Nd4 23. Qe1 Nc2 24. Qe2 Nd4 25. Qe1 1/2-1/2

[Event "Dortmund4"]
[Site "Dortmund"]
[Date "2006.05.09"]
[Round "4"]
[White "Sonntag, Joachim"]
[Black "Buedel, Juergen"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "1787"]
[BlackElo "1702"]
[PlyCount "73"]
[EventDate "2006.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[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 d6 5. Bb5 Bd7 6. Nf3 Nf6 7. Nc3 a6 8. Bc4 e6 9. a3 Be7 10. Bf4 Qc7 11. Qe2 0-0 12. Rd1 e5 13. Be3 b5 14. Nd5 Qd8 15. Nxf6+ gxf6 16. Bd5 Kh8 17. Nh4 Qe8 18. Qh5 Rc8 19. Bh6 Nd8 20. Bxf8 Bxf8 21. c3 Ne6 22. Nf5 Rc5 23. g3 Ng5 24. h4 Ne6 25. 0-0 Nd8 26. Nh6 Rxd5 27. exd5 e4 28. Nf5 Qe5 29. g4 Qf4 30. Rd4 Qf3 31. Re1 Ne6 32. dxe6 Bxe6 33. Re3 Bxf5 34. Rxf3 Bg6 35. Qxg6 hxg6 36. Rxf6 Kg7 37. Rfxd6 1-0

[Event "Dortmund4"]
[Site "Dortmund"]
[Date "2006.05.03"]
[Round "3"]
[White "Hardt, Helmut"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1861"]
[BlackElo "1787"]
[PlyCount "98"]
[EventDate "2006.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[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. Bc4 Nc6 4. 0-0 Nf6 5. Re1 g6 6. c3 Bg7 7. d4 cxd4 8. cxd4 0-0 9. Bg5 Bg4 10. Nc3 Nd7 11. Be3 Nb6 12. Be2 Rc8 13. Qd2 Bxf3 14. gxf3 f5 15. f4 e5 16. fxe5 dxe5 17. d5 Nd4 18. Bxd4 exd4 19. Nb5 Nc4 20. Bxc4 Rxc4 21. d6 a6 22. Na3 Rc5 23. b4 Re5 24. Nc4 Rxe4 25. f3 Ree8 26. Rxe8 Rxe8 27. Re1 b5 28. Rxe8+ Qxe8 29. Nb6 Qe3+ 30. Qxe3 dxe3 31. Kf1 Kf7 32. Nd5 Ke6 33. Nc7+ Kd7 34. Nxa6 Kxd6 35. Nc5 Kd5 36. Ke2 f4 37. Kd3 g5 38. Ne4 h6 39. Nc5 Bf8 40. Nd7 Bxb4 41. Nf6+ Ke6 42. Ne4 Ke5 43. Ke2 g4 44. a3 Bxa3 45. Nc3 b4 46. Nd1 h5 47. fxg4 hxg4 48. Kd3 Kd5 49. Ke2 Ke4 0-1

[Event "Dortmund4"]
[Site "Dortmund"]
[Date "2006.04.29"]
[Round "2"]
[White "Sonntag, Joachim"]
[Black "Lang, Daniel"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1787"]
[BlackElo "1921"]
[PlyCount "122"]
[EventDate "2006.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[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. Nc3 e5 4. Bb5 d6 5. d3 Nf6 6. Bg5 Be7 7. Bxf6 Bxf6 8. h3 0-0 9. Bc4 g6 10. Nd5 Bg7 11. c3 Rb8 12. a4 a6 13. Ne3 b5 14. axb5 axb5 15. Bd5 Ne7 16. Qb3 Nxd5 17. Nxd5 Be6 18. Ra6 b4 19. c4 Ra8 20. Rxa8 Qxa8 21. 0-0 Qa7 22. Ng5 Bd7 23. Qd1 h6 24. Nf3 Qa2 25. Nb6 Bc6 26. Qa1 b3 27. Nd2 Bf6 28. Nd5 Bg5 29. Nf3 Bxd5 30. cxd5 Ra8 31. Qb1 Qa5 32. Qd1 Qb4 33. Qe1 Qb7 34. Qc3 Ra4 35. h4 Bd8 36. Qc1 Qb5 37. Qd2 Kg7 38. Rc1 c4 39. d4 f6 40. Qe2 Ba5 41. Nd2 Bxd2 42. Qxd2 Qb6 43. dxe5 fxe5 44. Qe2 Qd4 45. Rd1 Qc5 46. Qg4 Qc7 47. h5 Qf7 48. hxg6 Qa7 49. Kh2 Ra2 50. Rb1 Qxf2 51. Qd7+ Kxg6 52. Qxd6+ Qf6 53. Qxf6+ Kxf6 54. Kg3 Kg5 55. Kf3 h5 56. Ke3 h4 57. d6 Kf6 58. d7 Ke7 59. Rd1 Kd8 60. Rd2 c3 61. bxc3 b2 0-1

[Event "Dortmund4"]
[Site "Dortmund"]
[Date "2006.04.26"]
[Round "1"]
[White "Begna, Bozidar"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2002"]
[BlackElo "1787"]
[PlyCount "85"]
[EventDate "2006.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[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. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 Nf6 7. d4 cxd4 8. Nxd4 e6 9. f3 Be7 10. Be3 0-0 11. 0-0 Ne5 12. Qe2 Rac8 13. b3 a6 14. Rac1 b6 15. Rfd1 Qb7 16. Qf2 Rfd8 17. g4 d5 18. g5 Nfg4 19. fxg4 Nxg4 20. Qe2 Nxe3 21. Qxe3 e5 22. Nxd5 Bc5 23. Kg2 Bxd4 24. Qg3 Kh8 25. h4 f5 26. exf5 b5 27. Qd3 Qf7 28. Qe4 bxc4 29. bxc4 Rb8 30. Rb1 Qa7 31. f6 Qc5 32. fxg7+ Kxg7 33. Nf6 Qxc4 34. Qxh7+ Kf8 35. Qh8+ Ke7 36. Qh7+ Ke6 37. Qe4 Qxa2+ 38. Kh3 Rb3+ 39. Kg4 Rxb1 40. Rxb1 Bb2 41. Qc6+ Ke7 42. Qb7+ Kf8 43. Rxb2 1-0

[Event "Dortmund4"]
[Site "Dortmund"]
[Date "2006.04.23"]
[Round "8"]
[White "Grube, Joerg"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1776"]
[BlackElo "1787"]
[PlyCount "115"]
[EventDate "2006.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Nbd7 5. Nbd2 c6 6. 0-0 Bd6 7. Re1 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Rxe4 Nf6 11. Rh4 Be7 12. Ne5 g6 13. Bh6 Nd7 14. Rh3 Re8 15. Qf3 Nxe5 16. dxe5 f5 17. Rd1 Qa5 18. Qf4 Qb4 19. Qxb4 Bxb4 20. Bg5 Be7 21. Bxe7 Rxe7 22. Bc4 b5 23. Rd8+ Kg7 24. Bb3 c5 25. c4 b4 26. Rhd3 Bb7 27. R3d7 Kf7 28. Ba4 Rxd8 29. Rxd8 h5 30. h4 f4 31. f3 Kg7 32. Rd6 Bc8 33. Kf2 Rc7 34. Ke2 g5 35. hxg5 Kg6 36. Bc6 Kxg5 37. Be4 Kh4 38. Rd8 Bb7 39. Rg8 Bxe4 40. fxe4 Rd7 41. b3 a5 42. Rg6 Rd4 43. Kf3 Rd2 44. Kxf4 Rxa2 45. Rxe6 Rf2+ 46. Ke3 Rxg2 47. Rc6 Rg3+ 48. Kf4 Rxb3 49. e6 Rg3 50. e7 Rg8 51. Kf5 b3 52. Rb6 a4 53. Kf6 Kg3 54. Kf7 Ra8 55. Rd6 b2 56. Rd8 Ra7 57. Rb8 a3 58. Rb3+ 0-1

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.04.20"]
[Round "9"]
[White "Jost, Udo"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "1861"]
[BlackElo "1787"]
[PlyCount "105"]
[EventDate "2006.01.19"]
[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 e6 6. Bg5 a6 7. Bc4 Be7 8. Bb3 0-0 9. h4 Nc6 10. Nde2 b5 11. Ng3 Bb7 12. f4 Qb6 13. f5 Nd4 14. fxe6 Nxe6 15. Nf5 Rfe8 16. Nxe7+ Rxe7 17. Bxf6 Qe3+ 18. Qe2 Qg3+ 19. Qf2 Qxf2+ 20. Kxf2 gxf6 21. Bd5 Rc8 22. Rad1 b4 23. Bxb7 Rxb7 24. Nd5 Rxc2+ 25. Kg1 Rxb2 26. Rh3 b3 27. Nxf6+ Kf8 28. axb3 R2xb3 29. Rxb3 Rxb3 30. Rxd6 a5 31. Ra6 Rb5 32. e5 Kg7 33. Nh5+ Kg6 34. g4 Rxe5 35. Ng3 f6 36. Kf2 Nc5 37. Ra7 Ne4+ 38. Nxe4 Rxe4 39. Kf3 Ra4 40. h5+ Kh6 41. Rf7 Kg5 42. Rg7+ Kh6 43. Rf7 Ra1 44. Rxf6+ Kg5 45. Rf5+ Kh4 46. Rc5 a4 47. h6 Rf1+ 48. Ke2 Rg1 49. Ra5 Rxg4 50. Ra7 Kh5 51. Rxh7 Rh4 52. Rh8 Kg6 53. Ra8 1/2-1/2

[Event "Dortmund4"]
[Site "Dortmund"]
[Date "2006.04.12"]
[Round "5"]
[White "Hartung, Thomas"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1866"]
[BlackElo "1787"]
[PlyCount "75"]
[EventDate "2006.04.26"]
[EventType "tourn"]
[EventRounds "11"]
[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 e6 6. Bg5 a6 7. f4 Be7 8. Qf3 Qb6 9. 0-0-0 Nc6 10. Nxc6 Qxc6 11. Be2 b5 12. e5 Nd5 13. Nxd5 exd5 14. Bxe7 Kxe7 15. exd6+ Kxd6 16. Qa3+ Kc7 17. Bf3 Bf5 18. Qe7+ Kc8 19. c3 Be6 20. Qg5 Rd8 21. f5 f6 22. Qf4 Bg8 23. Rhe1 Ra7 24. h4 Qc5 25. g4 Rc7 26. Rd4 Re7 27. Red1 Re5 28. Kb1 Qe7 29. Qd2 Kc7 30. c4 bxc4 31. Qa5+ Kb7 32. Rxc4 Rd6 33. Rdc1 Rb6 34. Rc8 Qf7 35. Rb8+ Kxb8 36. Qxb6+ Qb7 37. Qd8+ Ka7 38. Rc7 1-0

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.04.06"]
[Round "8"]
[White "Sonntag, Joachim"]
[Black "Bommert, Christian"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1787"]
[BlackElo "1613"]
[PlyCount "34"]
[EventDate "2006.01.19"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Bc4 Bg4 6. d3 e6 7. h3 Qh5 8. Bf4 c6 9. Ne4 Nxe4 10. dxe4 Bxf3 11. gxf3 Nd7 12. Be2 0-0-0 13. Qd2 Bc5 14. Qc3 e5 15. Be3 Bxe3 16. Qxe3 Nb6 17. a4 Qh6 1/2-1/2

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.03.30"]
[Round "7"]
[White "Raszelenberg, Patrick"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "1659"]
[BlackElo "1787"]
[PlyCount "88"]
[EventDate "2006.01.19"]
[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. f3 e6 7. Be3 Be7 8. Qd2 a6 9. 0-0-0 Nxd4 10. Bxd4 b5 11. g4 Bb7 12. h4 Rc8 13. Kb1 Qa5 14. Qf2 Rc6 15. Bd3 b4 16. Ne2 e5 17. Be3 Bd8 18. g5 Nh5 19. Ng3 Nxg3 20. Qxg3 Bb6 21. f4 Bxe3 22. Qxe3 exf4 23. Qxf4 0-0 24. h5 Qe5 25. Qg4 Bc8 26. Qh4 Be6 27. Rdf1 Rc5 28. g6 h6 29. gxf7+ Bxf7 30. Rf5 Qe6 31. b3 Rxf5 32. exf5 Qd5 33. f6 Qg5 34. Qe4 g6 35. hxg6 Bd5 36. Qe7 Rxf6 37. Qh7+ Kf8 38. Qh8+ Bg8 39. Rxh6 Qg1+ 40. Kb2 Qd4+ 41. Kb1 Qg1+ 42. Kb2 Qd4+ 43. Kc1 Qg1+ 44. Kb2 Qd4+ 1/2-1/2

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.23"]
[Round "9.14"]
[White "Sonntag, Joachim"]
[Black "Ziperstein, Jakob"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1787"]
[BlackElo "1838"]
[PlyCount "111"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. d4 d6 4. c3 Nf6 5. Bd3 0-0 6. 0-0 Nbd7 7. Bg5 h6 8. Be3 Ng4 9. Qd2 e5 10. h3 Nxe3 11. Qxe3 c5 12. dxc5 dxc5 13. Nbd2 Qe7 14. Bc4 Nb6 15. Bb3 Bd7 16. a4 Rad8 17. a5 Na8 18. Bd5 Kh7 19. Nb3 b6 20. Rfd1 Nc7 21. c4 Be6 22. axb6 axb6 23. Nh2 h5 24. Nc1 f5 25. f3 fxe4 26. fxe4 Bh6 27. Qe2 Rf7 28. Nf3 Qf6 29. Rf1 Rdf8 30. Nd3 Nxd5 31. cxd5 Bg4 32. hxg4 hxg4 33. Nh2 Bf4 34. Nxg4 Qh4 35. Nxf4 Rxf4 36. Rxf4 Rxf4 37. Ra7+ Kg8 38. Ra8+ Kg7 39. Ra7+ Kg8 40. Nf2 Qh6 41. Qe3 g5 42. Qh3 Qg6 43. Qe6+ Qxe6 44. dxe6 Kf8 45. Rb7 Ke8 46. Kf1 g4 47. Rf7 c4 48. Rxf4 exf4 49. Nxg4 Ke7 50. Ne5 b5 51. Nf3 b4 52. Ke2 Kxe6 53. Nd2 c3 54. bxc3 bxc3 55. Nc4 f3+ 56. gxf3 1-0

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.21"]
[Round "8.19"]
[White "Grawe, Herbert"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1477"]
[BlackElo "1787"]
[PlyCount "52"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. Nc3 e5 2. e4 Nf6 3. Bc4 Nc6 4. a3 Bc5 5. Nf3 0-0 6. d3 h6 7. 0-0 d6 8. Ba2 Bg4 9. Na4 Nd4 10. Nxc5 dxc5 11. Be3 Qd6 12. Kh1 Rad8 13. c3 Nc6 14. h3 Bc8 15. Qa4 b6 16. Rad1 Bd7 17. Qc2 Be6 18. b3 Qe7 19. Qc1 Rd6 20. Bxh6 gxh6 21. Qxh6 Nh7 22. Qh5 Qf6 23. d4 cxd4 24. cxd4 Nxd4 25. Rd3 Nc6 26. Nh4 Rxd3 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.20"]
[Round "7.19"]
[White "Rutmann, Ulrich"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1393"]
[BlackElo "1787"]
[PlyCount "78"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Nf3 Nf6 7. 0-0 0-0 8. Rb1 Bd7 9. Bg5 h6 10. Bd2 Kh7 11. Re1 Ng4 12. Nd5 e6 13. Nc3 Nge5 14. Qc1 Nxf3+ 15. Bxf3 Qf6 16. Bg2 Ne5 17. Bf4 Qe7 18. Qd1 Bc6 19. Ne2 Rad8 20. Bd2 d5 21. exd5 Bxd5 22. Bxd5 Rxd5 23. Nf4 Rdd8 24. Bc3 Qc7 25. Qe2 Nc6 26. Bxg7 Kxg7 27. c4 e5 28. Ng2 Rfe8 29. Qf3 Re6 30. Rbd1 Rf6 31. Qe4 Rfd6 32. f4 f5 33. Qf3 R6d7 34. Qe2 Re7 35. Qf2 b6 36. b3 e4 37. dxe4 Rxe4 38. Rxd8 Rxe1+ 39. Qxe1 Qxd8 1/2-1/2

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.14"]
[Round "5.23"]
[White "Clausen, Dirk"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1287"]
[BlackElo "1787"]
[PlyCount "105"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c3 Bg7 5. d3 Nf6 6. Nbd2 0-0 7. 0-0 d6 8. Qc2 Bg4 9. Rb1 Qd7 10. a3 Bh3 11. Nc4 Bxg2 12. Kxg2 Ng4 13. h3 Nge5 14. Ncxe5 Nxe5 15. Nxe5 Bxe5 16. Bh6 Rfe8 17. g4 d5 18. Rbd1 Rac8 19. f4 Bg7 20. Bxg7 Kxg7 21. c4 d4 22. Rf3 e5 23. Rdf1 Qc6 24. fxe5 Rxe5 25. Kg1 Rc7 26. Qd2 Rce7 27. R1f2 Re3 28. Rxe3 Rxe3 29. Rh2 Qd6 30. b4 b6 31. bxc5 bxc5 32. Qa5 a6 33. Qe1 Rg3+ 34. Rg2 Rxh3 35. Qf2 Qb8 36. Qf1 Rg3 37. g5 Rxg2+ 38. Qxg2 Qf4 39. Qd5 Qf5 40. Qg2 h6 41. gxh6+ Kxh6 42. Qh2+ Qh5 43. Qd6 Kg7 44. Kf1 a5 45. a4 Qh1+ 46. Kf2 Qh4+ 47. Kf1 Qf6+ 48. Qxf6+ Kxf6 49. Kf2 Kf5 50. e3 dxe3+ 51. Kxe3 Ke5 52. d4+ cxd4+ 53. Kd3 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.13"]
[Round "4.18"]
[White "Sonntag, Joachim"]
[Black "Gegner, Michael"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "1787"]
[BlackElo "1412"]
[PlyCount "114"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 Qg5 5. Nf7 Qxg2 6. Rf1 d5 7. Qh5 Nf6 8. Qe5+ Kxf7 9. Bxd5+ Nxd5 10. Qxd5+ Ke8 11. d3 c6 12. Qe5+ Be7 13. dxe4 Bh3 14. Qh5+ g6 15. Qe2 Qxf1+ 16. Qxf1 Bxf1 17. Kxf1 Bf6 18. f4 Rf8 19. Ke2 Nd7 20. Nd2 Rd8 21. Nf3 Kf7 22. e5 Be7 23. Be3 c5 24. h4 Nb6 25. Rh1 Nd5 26. Ng5+ Bxg5 27. hxg5 Nxe3 28. Kxe3 Kg7 29. Rh2 b6 30. c3 Rf5 31. a4 c4 32. Re2 h6 33. gxh6+ Kxh6 34. Rh2+ Rh5 35. Rf2 Rh3+ 36. Ke4 Rdd3 37. Re2 g5 38. e6 Kg6 39. e7 Rh8 40. fxg5 Re8 41. Kf4 Rd7 42. Re6+ Kf7 43. Rc6 Rexe7 44. Rxc4 Rd5 45. Rc6 Rd2 46. b4 Ra2 47. a5 bxa5 48. b5 a4 49. Rd6 Ra1 50. Kf5 a3 51. Rf6+ Ke8 52. Ra6 a2 53. Kg6 Kf8 54. b6 Rg7+ 55. Kf6 Rf1+ 56. Ke6 a1Q 57. Rxa1 Rxa1 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.09"]
[Round "3.13"]
[White "Benke, Werner"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B83"]
[WhiteElo "1552"]
[BlackElo "1787"]
[PlyCount "89"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Nc6 7. 0-0 Be7 8. Kh1 0-0 9. f4 Qb6 10. Nb3 a6 11. a3 Qc7 12. Be3 b5 13. Qe1 Bb7 14. Bf3 Nd7 15. Qf2 Bf6 16. Nd4 Nxd4 17. Bxd4 Bxd4 18. Qxd4 Nb6 19. Ne2 d5 20. exd5 Bxd5 21. Bxd5 Nxd5 22. c3 Rad8 23. Rad1 Rfe8 24. Qe4 Nf6 25. Qf3 Qc5 26. Rxd8 Rxd8 27. Nd4 h5 28. g3 Ng4 29. h3 Nf6 30. Kh2 Rd5 31. Re1 a5 32. Re2 b4 33. axb4 axb4 34. Nb3 Qb5 35. Nd4 Qc4 36. Qe3 bxc3 37. bxc3 Rc5 38. Rc2 Nd5 39. Qf3 Qa4 40. Qd3 Qa3 41. Ne2 Qb3 42. Rc1 Rc8 43. Qa6 Rc7 44. Qd3 Rb7 45. Kg2 1/2-1/2

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.07"]
[Round "2.4"]
[White "Sonntag, Joachim"]
[Black "Naundorf, Maik"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1787"]
[BlackElo "2061"]
[PlyCount "52"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c3 Nf6 6. Nxc6 bxc6 7. f3 Bg7 8. Bc4 0-0 9. 0-0 d5 10. exd5 cxd5 11. Bb3 a5 12. Bg5 Bb7 13. Re1 e6 14. Na3 a4 15. Bxa4 Qb6+ 16. Be3 Qxb2 17. Bc5 Qxc3 18. Bxf8 Bxf8 19. Qb3 Qc5+ 20. Re3 Rxa4 21. Nc2 Rc4 22. Ne1 Bh6 23. Qxb7 Qxe3+ 24. Kf1 Bf8 25. Qb2 Bc5 26. Rd1 Qg1+ 0-1

[Event "Dortmund op"]
[Site "Dortmund"]
[Date "2006.03.06"]
[Round "1.21"]
[White "Krueger, Inge"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "D63"]
[WhiteElo "1351"]
[BlackElo "1787"]
[PlyCount "70"]
[EventDate "2006.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 111 Extra"]
[Source "ChessBase"]
[SourceDate "2006.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2006.05.09"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. cxd5 exd5 6. Bg5 Be7 7. e3 0-0 8. Be2 Re8 9. 0-0 Nbd7 10. Rc1 h6 11. Bh4 Ne4 12. Bxe7 Qxe7 13. a3 Ng5 14. b4 Nxf3+ 15. Bxf3 Nf6 16. h3 Bf5 17. g4 Bg6 18. Re1 a5 19. Qb3 axb4 20. axb4 h5 21. g5 Ne4 22. h4 Nd2 23. Qd1 Nxf3+ 24. Qxf3 Qxb4 25. Ne2 Re4 26. Nf4 Qe7 27. Nxg6 fxg6 28. Qh3 Ra2 29. f4 Kh7 30. Rc3 Qb4 31. Rec1 Ra3 32. Rxa3 Qxa3 33. Re1 Rxf4 34. Qg2 Rg4 35. Kh1 Qd3 0-1

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.03.02"]
[Round "6"]
[White "Sonntag, Joachim"]
[Black "Scholtyssek, Norbert"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1738"]
[BlackElo "1551"]
[PlyCount "114"]
[EventDate "2006.01.19"]
[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 Nc6 2. Nf3 f5 3. Nc3 fxe4 4. Nxe4 d5 5. Nc3 e5 6. Bb5 Bg4 7. h3 Bxf3 8. Qxf3 Nf6 9. d3 a6 10. Ba4 b5 11. Bb3 Nd4 12. Qg3 Qd6 13. Be3 Nxb3 14. axb3 d4 15. Bxd4 exd4 16. Qxd6 Bxd6 17. Nxb5 Be5 18. f4 Bxf4 19. Nxd4 Bg3+ 20. Kd2 Kd7 21. Rhf1 Bh4 22. Ra5 Rhf8 23. Rf3 Rfe8 24. g3 Bxg3 25. Rxg3 g6 26. Rf3 Nh5 27. Rd5+ Kc8 28. Rf7 Kb7 29. Rdd7 Rac8 30. b4 Re5 31. c4 Rg5 32. Ne6 Rg2+ 33. Kc3 Ng3 34. Nc5+ Ka7 35. Rf6 Ne2+ 36. Kb3 Nc1+ 37. Ka3 Rg3 38. Rxa6+ Kb8 39. h4 Ne2 40. Ra5 Rg1 41. Nb3 Nf4 42. Rb5+ Ka7 43. Nc5 Ra1+ 44. Kb3 Ne2 45. Ne6 Ra6 46. Ra5 Rxa5 47. bxa5 Ka6 48. Ka4 Kb7 49. Rxh7 Kc6 50. d4 Nc1 51. d5+ Kd6 52. b4 c6 53. Nc5 cxd5 54. Rd7+ Ke5 55. Rxd5+ Kf6 56. a6 Ne2 57. Rd6+ Kf5 1-0

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.02.23"]
[Round "5"]
[White "Voigt, Felix"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1776"]
[BlackElo "1738"]
[PlyCount "59"]
[EventDate "2006.01.19"]
[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 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 0-0 5. e3 Re8 6. Nge2 c6 7. 0-0 d5 8. cxd5 cxd5 9. d4 exd4 10. exd4 Bb4 11. Bg5 Bg4 12. Bxf6 gxf6 13. f3 Be6 14. Qd2 Nc6 15. Qh6 Kh8 16. Rad1 Bf8 17. Qh5 Bd6 18. f4 f5 19. Nxd5 Nxd4 20. Nec3 Bc5 21. Kh1 Bxd5 22. Nxd5 Qd6 23. b4 Bb6 24. Qxf7 Re2 25. Nxb6 Qxb6 26. Qc4 Rd8 27. Rxd4 Rxd4 28. Qxe2 Qxb4 29. Qe5+ Kg8 30. Bd5+ 1-0

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.02.16"]
[Round "4"]
[White "Sonntag, Joachim"]
[Black "Mueller, Siegfried"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "1738"]
[BlackElo "1436"]
[PlyCount "71"]
[EventDate "2006.01.19"]
[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. Bc4 e6 7. a3 Be7 8. 0-0 0-0 9. Re1 Qc7 10. Bb3 Nc6 11. Be3 Nxd4 12. Bxd4 b5 13. Qd3 Bb7 14. Rad1 Rad8 15. Qe3 Rc8 16. f3 Rfe8 17. Bb6 Qb8 18. Kh1 Nd7 19. Bd4 e5 20. Ba7 Qa8 21. Nd5 Bg5 22. Qxg5 Bxd5 23. Rxd5 Qxa7 24. Rxd6 Qf2 25. Red1 Nf6 26. Rxf6 Red8 27. Bd5 Rxd5 28. exd5 Rxc2 29. Rc6 f6 30. Qg3 Qe2 31. Re1 Qd2 32. Rxc2 Qxc2 33. Qg4 f5 34. Qb4 e4 35. fxe4 fxe4 36. Qxe4 1-0

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.01.26"]
[Round "2"]
[White "Weers, Wolfgang"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1159"]
[BlackElo "1738"]
[PlyCount "84"]
[EventDate "2006.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Bd3 b6 8. 0-0 Bb7 9. cxd5 exd5 10. Rc1 c5 11. dxc5 bxc5 12. b3 Rc8 13. Bf5 g6 14. Bh3 Ra8 15. Re1 Re8 16. Re2 Nb6 17. Rd2 Nh5 18. Bh6 Bf6 19. Bg4 Ng7 20. Ne2 Qe7 21. Nf4 Red8 22. Nd3 c4 23. Nf4 Ne6 24. Nxe6 fxe6 25. Nd4 e5 26. Nb5 a6 27. Nc3 d4 28. Na4 Nxa4 29. bxa4 c3 30. Rd3 Be4 31. f4 exf4 32. exd4 Bxd3 33. Qxd3 Rxd4 34. Qf3 Re8 35. h3 Qe3+ 36. Kh2 Qxf3 37. Bxf3 Rxa4 38. Bc6 Ree4 39. Bxe4 Rxe4 40. Rf1 g5 41. Rc1 Re2 42. h4 f3 0-1

[Event "Dortmund FSV op"]
[Site "Dortmund"]
[Date "2006.01.19"]
[Round "1"]
[White "Sonntag, Joachim"]
[Black "Link, Werner"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1738"]
[BlackElo "1388"]
[PlyCount "66"]
[EventDate "2006.01.19"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Be2 Bg4 6. 0-0 e6 7. Re1 c6 8. d4 Bd6 9. h3 Bxf3 10. Bxf3 0-0 11. Ne4 Nxe4 12. Bxe4 Nd7 13. c4 Nf6 14. Bc2 Rad8 15. Bd2 Qc7 16. Qf3 Qb6 17. Bc3 Bb4 18. Rad1 Bxc3 19. Qxc3 c5 20. dxc5 Qxc5 21. b4 Qc7 22. a3 Rxd1 23. Rxd1 b6 24. Rd3 Qf4 25. Rd4 Qe5 26. Qd2 g6 27. f4 Qc7 28. f5 exf5 29. Bxf5 Qg3 30. Bd3 Re8 31. Rf4 Re1+ 32. Bf1 Nh5 33. Qd8+ Kg7 1/2-1/2

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.12.09"]
[Round "11"]
[White "Sonntag, Joachim"]
[Black "Buedel, Juergen"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1738"]
[BlackElo "1677"]
[PlyCount "111"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e6 3. Bb5 Nce7 4. Nc3 c6 5. Ba4 b5 6. Bb3 Ng6 7. 0-0 Bd6 8. d4 N8e7 9. d5 0-0 10. Re1 exd5 11. exd5 Qc7 12. Bg5 h6 13. Bxe7 Nxe7 14. Qd3 Ng6 15. dxc6 Ne5 16. Nxe5 Bxe5 17. Nxb5 Bxh2+ 18. Kh1 Qf4 19. Re4 Qb8 20. g3 dxc6 21. Nd6 Be6 22. Kxh2 Bxb3 23. axb3 Qc7 24. Rae1 Rad8 25. Rd1 Qa5 26. Qf3 f5 27. Re7 f4 28. g4 Qg5 29. Ree1 Qh4+ 30. Kg2 Qg5 31. Ne4 Qh4 32. Rxd8 Qxd8 33. Nc5 Qa5 34. Re5 Qd2 35. Re2 Qd5 36. Qxd5+ cxd5 37. f3 Kf7 38. Rd2 Rd8 39. Ne4 Ke6 40. Nc3 a6 41. Rd4 Ke5 42. Ne2 Rc8 43. c4 dxc4 44. bxc4 g5 45. Rd5+ Ke6 46. Nd4+ Kf6 47. b3 Re8 48. Rd6+ Ke5 49. c5 Rc8 50. b4 a5 51. Nc6+ Rxc6 52. Rxc6 axb4 53. Rb6 Kd5 54. c6 Kd6 55. Rxb4 Kxc6 56. Ra4 1-0

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.12.07"]
[Round "10"]
[White "Benke, Werner"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1563"]
[BlackElo "1738"]
[PlyCount "38"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[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 g6 5. Be2 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Qd2 a6 9. f3 b5 10. a3 Bb7 11. g4 Nc6 12. h4 Rc8 13. h5 d5 14. hxg6 fxg6 15. Nxc6 Bxc6 16. e5 Nxg4 17. Rxh7 Nxe3 18. Rxg7+ Kxg7 19. Qxe3 d4 0-1

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.12.06"]
[Round "9"]
[White "Sonntag, Joachim"]
[Black "Alkon, Gelij"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1738"]
[PlyCount "75"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bc4 c5 4. dxc5 Qa5+ 5. Nc3 Qxc5 6. Bb5+ Bd7 7. Be3 Qb4 8. Qd3 g6 9. Nf3 Bg7 10. 0-0 0-0 11. Bc4 Ng4 12. Nd5 Qa5 13. Nxe7+ Kh8 14. Bd4 Ne5 15. Nxe5 dxe5 16. Bc3 Qc5 17. Nd5 a5 18. b4 Qc6 19. b5 Qc5 20. a4 Be6 21. Bb2 Rc8 22. Bb3 Nd7 23. Ba3 Qd4 24. Qe2 f5 25. Rfd1 Qxe4 26. Qxe4 fxe4 27. Ne7 Bg4 28. f3 exf3 29. gxf3 Bxf3 30. Rxd7 e4 31. Nxc8 Rxc8 32. Rad1 Bxd1 33. Rxd1 e3 34. Kf1 Bc3 35. Rd3 e2+ 36. Kxe2 h6 37. Rxc3 Rxc3 38. Bb2 1-0

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.11.23"]
[Round "8"]
[White "Nettbohl, Werner"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1638"]
[BlackElo "1738"]
[PlyCount "106"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[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 Nc6 5. c3 Nf6 6. Bd3 e6 7. 0-0 Be7 8. Nd2 0-0 9. N2f3 a6 10. h3 Qc7 11. Be3 Bd7 12. Rc1 e5 13. Ne2 Rad8 14. Ng3 Be6 15. Bb1 d5 16. Qc2 dxe4 17. Nxe4 Nxe4 18. Qxe4 f5 19. Qc2 Bd5 20. Nh2 Rf6 21. f3 Bd6 22. Ng4 Rf7 23. Rcd1 Bc4 24. Rfe1 Re8 25. b3 Be6 26. Nf2 Rf6 27. h4 Ne7 28. h5 Nd5 29. Bg5 Rf7 30. c4 Nb4 31. Qe2 Rd7 32. Nd3 Nxd3 33. Bxd3 Bc5+ 34. Kh1 h6 35. Bh4 Bb4 36. Rf1 Be7 37. Bg3 Bd6 38. Qc2 Rf8 39. Rfe1 Qd8 40. c5 Qg5 41. cxd6 Qxg3 42. Bc4 Rxd6 43. Bxe6+ Rxe6 44. Qc4 Rfe8 45. Re2 b5 46. Qc7 Qh4+ 47. Kg1 Qxh5 48. Rd7 Qg5 49. Red2 e4 50. f4 Qg3 51. R2d5 e3 52. Re5 e2 53. Rxe6 e1Q+ 0-1

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.11.16"]
[Round "7"]
[White "Sonntag, Joachim"]
[Black "Iwannek, Ralf"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1738"]
[BlackElo "1795"]
[PlyCount "115"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Nc3 c6 6. Bd3 Nf6 7. Qe2+ Qe7 8. Qxe7+ Bxe7 9. 0-0 0-0 10. Re1 Bb4 11. Bg5 Nbd7 12. Re2 h6 13. Bf4 Re8 14. Rxe8+ Nxe8 15. Re1 Ndf6 16. a3 Bd6 17. Be5 Be6 18. Nh4 Nd7 19. f4 Bxe5 20. dxe5 Nc5 21. f5 Bd7 22. b4 Nxd3 23. cxd3 Nc7 24. Kf2 a5 25. Na4 axb4 26. Nb6 Rd8 27. axb4 Be8 28. Ke3 d4+ 29. Ke4 Nd5 30. Nxd5 Rxd5 31. Nf3 Rb5 32. Kxd4 Rxb4+ 33. Kc5 Rb5+ 34. Kd6 Kf8 35. Kc7 Rd5 36. d4 b5 37. Rc1 b4 38. Rc5 Rxc5 39. dxc5 f6 40. e6 Ke7 41. Nd4 h5 42. Kb6 g6 43. fxg6 Bxg6 44. Nxc6+ Kxe6 45. Nxb4 Be4 46. g3 Kf5 47. h3 Bg2 48. c6 Bxh3 49. Nd5 Ke5 50. Nf4 Bg4 51. c7 Bd7 52. Nxh5 Kf5 53. Kc5 Kg5 54. Kd6 Bc8 55. Nf4 Kg4 56. Nd5 f5 57. Ne7 Bb7 58. Kc5 1-0

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.11.09"]
[Round "6"]
[White "Lischer, Thorsten"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1586"]
[BlackElo "1738"]
[PlyCount "110"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Bb4 5. Rc1 0-0 6. a3 Bxc3+ 7. Rxc3 Ne4 8. Rc1 Qf6 9. e3 Nd7 10. Nf3 c6 11. Qc2 Re8 12. Bd3 Qg6 13. Bg3 f5 14. cxd5 cxd5 15. Bb5 Qh6 16. Qc7 Nxg3 17. Qxg3 a6 18. Bxd7 Bxd7 19. Ne5 Bb5 20. Kd2 Rac8 21. b3 a5 22. a4 Ba6 23. Nd7 b6 24. Rxc8 Rxc8 25. Nxb6 f4 26. Qg4 Rb8 27. Nd7 Rxb3 28. Nc5 fxe3+ 29. Kc2 Rb6 30. Nxa6 Rxa6 31. Qg3 Rc6+ 32. Kd3 Qg6+ 33. Qxg6 hxg6 34. fxe3 Rc4 35. Ra1 Kf7 36. Ke2 e5 37. dxe5 Ke6 38. Rb1 Kxe5 39. Rb6 g5 40. Rg6 g4 41. Rg5+ Ke6 42. Rxg7 Rxa4 43. Kd3 Rc4 44. Rg6+ Kf5 45. Rg7 a4 46. h3 gxh3 47. gxh3 Rh4 48. Ra7 Ke5 49. Ke2 Kd6 50. Ra5 Kc6 51. Kd3 Re4 52. Kd2 d4 53. exd4 Rxd4+ 54. Ke3 Rh4 55. Rg5 Rxh3+ 1/2-1/2

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.11.02"]
[Round "5"]
[White "Sonntag, Joachim"]
[Black "Duschek, Guenter"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1738"]
[BlackElo "1632"]
[PlyCount "124"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 c6 5. Nf3 Bf5 6. Bc4 e6 7. 0-0 Nf6 8. Bg5 Be7 9. Re1 0-0 10. Nh4 Bg6 11. Nxg6 hxg6 12. Qd3 Nd5 13. Bxe7 Nxe7 14. Rad1 Nd7 15. Ne4 Nd5 16. Bb3 N7f6 17. c4 Ne7 18. Qf3 Nh7 19. Re3 Nf5 20. Red3 Ng5 21. Qf4 Nxe4 22. Qxe4 Qa5 23. d5 exd5 24. Qf4 Rfe8 25. g4 Re4 26. Qg5 f6 27. Qc1 Rxg4+ 28. Kh1 d4 29. c5+ Kh7 30. Be6 Rg5 31. Rh3+ Nh6 32. Rxd4 Rd8 33. b4 Qc7 34. Rdh4 Qe5 35. Re3 Qc7 36. f4 Rh5 37. Rxh5 gxh5 38. Rg3 g6 39. Qc2 f5 40. Rd3 Rxd3 41. Qxd3 Nf7 42. Qc4 Nd8 43. Kg2 Qe7 44. Bg8+ Kg7 45. Qb3 Qe2+ 46. Kg1 Qg4+ 47. Kh1 Qxf4 48. Bc4 Kf6 49. h3 Qe4+ 50. Kh2 Ne6 51. Bf1 Nf4 52. a3 Qd4 53. Qg3 g5 54. h4 g4 55. b5 Qe5 56. a4 Ne6 57. b6 axb6 58. cxb6 Qxg3+ 59. Kxg3 f4+ 60. Kf2 Ke7 61. a5 Kd8 62. Bc4 Ng7 1/2-1/2

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.10.28"]
[Round "4"]
[White "Steinke, Hans Joerg"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1676"]
[BlackElo "1738"]
[PlyCount "36"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 0-0 7. Rc1 b6 8. cxd5 exd5 9. Bd3 Bb7 10. 0-0 Re8 11. a3 c5 12. dxc5 bxc5 13. Bb5 a6 14. Ba4 Rf8 15. Bxd7 Qxd7 16. Na4 Qb5 17. Qc2 Rac8 18. Rfd1 Rfd8 1-0

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.10.20"]
[Round "3"]
[White "Sonntag, Joachim"]
[Black "Ezzat, Tarik"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1738"]
[BlackElo "1586"]
[PlyCount "55"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bd3 Ne7 6. Bg5 Nd7 7. Bxf5 exf5 8. Nh4 h6 9. Nxf5 Nxe5 10. Bxe7 Bxe7 11. dxe5 Qa5+ 12. c3 Bg5 13. Nd6+ Ke7 14. Qd4 Bc1 15. b4 Qc7 16. a4 f6 17. 0-0 Bg5 18. f4 b6 19. fxg5 hxg5 20. Nd2 Kd7 21. Qg4+ Ke7 22. h3 c5 23. Rae1 cxb4 24. Qxb4 Kd7 25. Nb3 Rh4 26. Nd4 a6 27. e6+ Kd8 28. N6f5 1-0

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.10.19"]
[Round "2"]
[White "Werner, Patrick2"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1589"]
[BlackElo "1738"]
[PlyCount "53"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. a3 Be7 6. Nc3 0-0 7. e3 b6 8. Bd3 Bb7 9. 0-0 c5 10. Rc1 Rc8 11. Qe2 Re8 12. cxd5 Nxd5 13. Bxe7 Qxe7 14. e4 Nf4 15. Qe3 Nxd3 16. Qxd3 cxd4 17. Nxd4 Red8 18. Rfd1 Qf6 19. Qe3 Ne5 20. b3 Ng4 21. Qg3 h5 22. Nde2 Rxd1+ 23. Rxd1 Rd8 24. h3 Rxd1+ 25. Nxd1 Qd8 26. Ndc3 Nf6 27. Qe3 1/2-1/2

[Event "Dortmund ABC Serie A-24"]
[Site "Dortmund"]
[Date "2005.10.14"]
[Round "1"]
[White "Rzoczek, Christoph"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1589"]
[BlackElo "1738"]
[PlyCount "71"]
[EventDate "2005.10.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 c5 5. c3 Be7 6. Bd3 c4 7. Bc2 b5 8. 0-0 0-0 9. Nbd2 Nc6 10. a4 b4 11. Ne5 Nxe5 12. dxe5 Nd7 13. Bxe7 Qxe7 14. f4 f6 15. Qh5 f5 16. Rf3 b3 17. Bd1 Nc5 18. Rh3 h6 19. Rg3 Kh8 20. Qh3 Bd7 21. Bh5 Be8 22. Nf3 Ne4 23. Nd4 Nxg3 24. hxg3 Kh7 25. Kf2 g6 26. Bf3 Kg7 27. g4 Bd7 28. Rh1 Rh8 29. gxf5 gxf5 30. Bh5 Rag8 31. g4 fxg4 32. Bxg4 Kf7 33. f5 exf5 34. Bxf5 Bxf5 35. Qxf5+ Ke8 36. Qc8+ 1/2-1/2

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.06.10"]
[Round "11"]
[White "Sonntag, Joachim"]
[Black "Schlagbaum, Christoph"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1768"]
[BlackElo "1653"]
[PlyCount "43"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Be2 Bf5 6. b4 Qb6 7. 0-0 e6 8. Nh4 Bg6 9. a3 Nbd7 10. Na4 Qd4 11. Nxg6 hxg6 12. Nc3 Bd6 13. g3 0-0-0 14. Rb1 Be5 15. Nb5 Qb6 16. c4 Kb8 17. d4 a6 18. c5 Qc6 19. Nc3 Ne4 20. b5 Nxc3 21. bxc6 Nxd1 22. Rxd1 1-0

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.06.07"]
[Round "10"]
[White "Ezzat, Tarik"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1610"]
[BlackElo "1768"]
[PlyCount "28"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 Nc6 4. Nf3 e5 5. Ng3 Nf6 6. Bc4 Be7 7. 0-0 0-0 8. d3 a6 9. a3 Re8 10. Bd2 Bd7 11. Re1 b5 12. Ba2 Bf8 13. c3 Be6 14. Bxe6 Rxe6 1/2-1/2

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.06.01"]
[Round "9"]
[White "Benke, Werner"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "B83"]
[WhiteElo "1617"]
[BlackElo "1768"]
[PlyCount "46"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[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. Be2 e6 7. Be3 Be7 8. 0-0 0-0 9. Kh1 d5 10. Bf3 Ne5 11. exd5 Nxf3 12. Qxf3 exd5 13. Rad1 Bg4 14. Qg3 Bxd1 15. Rxd1 Bd6 16. Qh3 Re8 17. Nf5 Be5 18. g4 Qc7 19. Qh4 d4 20. Nxd4 Bxd4 21. Bxd4 Qc6+ 22. Kg1 Rad8 23. g5 Ne4 0-1

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.05.25"]
[Round "8"]
[White "Sonntag, Joachim"]
[Black "Werninghaus, Klaus Peter"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1768"]
[BlackElo "1460"]
[PlyCount "79"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc3 e6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 Ngf6 9. 0-0 Bd6 10. Re1 0-0 11. Bg5 h6 12. Bh4 Qc7 13. Ne4 Nxe4 14. Qxe4 Rfe8 15. c4 Be7 16. Bg3 Bd6 17. Ne5 Nxe5 18. dxe5 Bb4 19. Red1 Rad8 20. a3 Be7 21. Qg4 Rd7 22. Rxd7 Qxd7 23. Rd1 Qc7 24. Bf4 Rd8 25. Rxd8+ Bxd8 26. h3 Qa5 27. Qg3 Qe1+ 28. Kh2 g5 29. Be3 Qe2 30. b3 b6 31. f4 Qd3 32. h4 f6 33. exf6 Bxf6 34. fxg5 hxg5 35. Bxg5 Qxg3+ 36. Kxg3 Bxg5 37. hxg5 Kg7 38. Kf4 a6 39. Ke5 Kf7 40. g6+ 1-0

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.05.14"]
[Round "7"]
[White "Nettbohl, Werner"]
[Black "Sonntag, Joachim"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1617"]
[BlackElo "1768"]
[PlyCount "52"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. d5 Nf6 5. Qa4+ c6 6. dxc6 Nxc6 7. Bxc4 Bb4+ 8. Bd2 Bc5 9. Bxf7+ Kxf7 10. Qc4+ Be6 11. Qxc5 Nxe4 12. Qe3 Nxd2 13. Nxd2 Nd4 14. Rc1 Rc8 15. Kd1 Bxa2 16. Rc3 Re8 17. Ngf3 Rxc3 18. bxc3 Nc6 19. Ke2 Nd4+ 20. cxd4 exd4 21. Ne5+ Kg8 22. Qg3 d3+ 23. Kd1 Qd4 24. Nxd3 Qa4+ 25. Kc1 Rc8+ 26. Nc5 Rxc5+ 0-1

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.05.11"]
[Round "6"]
[White "Sonntag, Joachim"]
[Black "Prsa, Ervin"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1768"]
[BlackElo "1582"]
[PlyCount "47"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 e6 5. Nf3 h6 6. Bc4 c6 7. 0-0 b5 8. Bd3 Bb7 9. Qe2 a6 10. Ne4 Nd7 11. Bf4 Ngf6 12. Nd6+ Bxd6 13. Bxd6 Rc8 14. Rad1 Qa5 15. a3 Nd5 16. Rfe1 Qd8 17. c4 Ne7 18. Ne5 0-0 19. c5 Re8 20. Nxf7 Qa5 21. b4 Qxa3 22. Qxe6 Nf8 23. Nxh6+ Kh8 24. Qg8+ 1-0

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.05.04"]
[Round "5"]
[White "Dieckmann, Rudolf"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1483"]
[BlackElo "1768"]
[PlyCount "74"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 e5 4. dxe5 Qxd1+ 5. Kxd1 Be6 6. Nf3 Nc6 7. a3 Rd8+ 8. Kc2 Bc5 9. Bg5 Rd7 10. e3 Bf5+ 11. e4 Be6 12. Bh4 Bd4 13. Bg3 Nge7 14. Nb5 Bb6 15. Ng5 a6 16. Nxe6 fxe6 17. Nc3 Na5 18. Be2 Nec6 19. Rad1 Nd4+ 20. Kb1 0-0 21. Bg4 Rdd8 22. h4 c5 23. h5 h6 24. f4 Nac6 25. Bh4 Rde8 26. g3 Bc7 27. Be2 b5 28. Bg4 b4 29. Na4 bxa3 30. Nxc5 Rb8 31. Rh2 c3 32. Nxa6 a2+ 33. Ka1 c2 34. Bxe6+ Nxe6 35. Rxc2 Rb6 36. Nxc7 Nxc7 37. Rd6 Na5 1-0

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.04.29"]
[Round "4"]
[White "Sonntag, Joachim"]
[Black "Raskin, Vitaly"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1768"]
[BlackElo "1658"]
[PlyCount "103"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[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. 0-0 Nf6 5. d3 0-0 6. c3 d6 7. Bg5 h6 8. Be3 Bxe3 9. fxe3 d5 10. exd5 Nxd5 11. Qe2 Bg4 12. Nbd2 Na5 13. Bb5 c6 14. Ba4 b5 15. Bc2 Qb6 16. d4 exd4 17. Qd3 g6 18. Nxd4 Nc4 19. e4 Nde3 20. Nxc4 Nxc4 21. Qg3 c5 22. Nb3 Be6 23. Rf6 Kg7 24. e5 Rh8 25. Bxg6 Kf8 26. Bxf7 Bxf7 27. Rxb6 axb6 28. Qf4 Re8 29. Qf6 Rh7 30. Re1 Re6 31. Qd8+ Re8 32. Qd3 Rg7 33. Nd2 Bg6 34. Qd5 Bf7 35. e6 Rg5 36. Qf3 Rg7 37. Nxc4 bxc4 38. Qf6 Re7 39. Rf1 Kg8 40. exf7+ Rexf7 41. Qe6 Kf8 42. Rd1 Kg8 43. Rd7 b5 44. Rd8+ Kh7 45. Qe4+ Rg6 46. Qe8 Rgg7 47. Qh8+ Kg6 48. Rd6+ Rf6 49. Rxf6+ Kxf6 50. Qxh6+ Rg6 51. Qf8+ Ke6 52. Qxc5 1-0

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.04.26"]
[Round "3"]
[White "Krueger, Georg"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1705"]
[BlackElo "1768"]
[PlyCount "26"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[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. c3 Nf6 4. Be2 Nxe4 5. Qa4+ Nd7 6. Qxe4 Nf6 7. Qc2 e5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. 0-0 Be7 11. d4 cxd4 12. cxd4 Rc8 13. Qd3 e4 1/2-1/2

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.04.20"]
[Round "2"]
[White "Sonntag, Joachim"]
[Black "Raszelenberg, Patrick"]
[Result "1/2-1/2"]
[ECO "B95"]
[WhiteElo "1768"]
[BlackElo "1547"]
[PlyCount "56"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[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. Be2 Be7 8. Qd2 b5 9. a3 Bb7 10. f3 Nbd7 11. 0-0 0-0 12. Rfe1 h6 13. Be3 Qc7 14. Rad1 Rad8 15. Bf4 Ne5 16. Bg3 Nc4 17. Bxc4 Qxc4 18. Qd3 Qc7 19. Kh1 Nh5 20. f4 e5 21. fxe5 dxe5 22. Qf3 Nxg3+ 23. Qxg3 Bg5 24. Nf5 g6 25. Ne3 Bf4 26. Qf2 Qc5 27. Ng4 Qc8 28. Nd5 Qe6 1/2-1/2

[Event "Dortmund ABC Serie B-23"]
[Site "Dortmund"]
[Date "2005.04.15"]
[Round "1"]
[White "Rzoczek, Christoph"]
[Black "Sonntag, Joachim"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1528"]
[BlackElo "1768"]
[PlyCount "47"]
[EventDate "2005.04.15"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Nbd2 c5 5. c3 Bd6 6. Rb1 0-0 7. Bd3 b6 8. e4 dxe4 9. Nxe4 Nd5 10. Nxd6 Qxd6 11. dxc5 Qxc5 12. Ng5 f5 13. 0-0 Nc6 14. Re1 Qe7 15. Bc4 Nc7 16. b4 Kh8 17. Qf3 Bb7 18. Qh3 h6 19. Nxe6 Rf6 20. Bg5 Nxe6 21. Bxf6 Qxf6 22. Rxe6 Qf8 23. Rbe1 Rd8 24. Qh5 1-0

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.03.17"]
[Round "9"]
[White "Sonntag, Joachim"]
[Black "Wiemann, Peter"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1757"]
[BlackElo "1581"]
[PlyCount "41"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bd2 Bf5 7. Bc4 e6 8. 0-0 Bd6 9. Re1 Qc7 10. h3 Nbd7 11. d5 cxd5 12. Bxd5 Nxd5 13. Nxd5 Qxc2 14. Bc3 Qxd1 15. Raxd1 0-0-0 16. Ne3 Bf8 17. Bd4 Kb8 18. Be5+ Ka8 19. Bc7 Bb4 20. Re2 Be7 21. Nxf5 1-0

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.03.15"]
[Round "8"]
[White "Rzoczek, Christoph"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1607"]
[BlackElo "1757"]
[PlyCount "93"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. d4 d5 2. Nd2 Nf6 3. Ngf3 Nc6 4. e3 e6 5. c4 dxc4 6. Bxc4 Be7 7. 0-0 0-0 8. a3 Na5 9. Be2 a6 10. b4 Nc6 11. Bb2 b5 12. Rc1 Bb7 13. Qc2 Nd5 14. Rfd1 Rc8 15. Ne4 Nb8 16. Nc5 Bxc5 17. dxc5 Qe7 18. Rd4 Nc6 19. Rg4 e5 20. Nh4 Qe6 21. Rg3 f5 22. Nf3 Rce8 23. Rd1 h6 24. h4 Nf6 25. Nh2 Ne4 26. Bf3 Nxg3 27. Bd5 Qxd5 28. Rxd5 Nxb4 29. axb4 Bxd5 30. fxg3 Be4 31. Qb3+ Kh7 32. Nf3 Rd8 33. Bxe5 Rd3 34. Qe6 Bd5 35. Qe7 Rf7 36. Qe8 Rxe3 37. Kh2 Re2 38. Kh3 Re4 39. Qd8 c6 40. Qa5 Re3 41. Bf4 Rb3 42. h5 Rb1 43. Qd8 Rh1+ 44. Nh2 Rg1 45. Nf3 Rh1+ 46. Nh2 Rb1 47. Nf3 1/2-1/2

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.03.14"]
[Round "7"]
[White "Riemann, Kai"]
[Black "Sonntag, Joachim"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1593"]
[BlackElo "1757"]
[PlyCount "95"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 Nf6 4. d3 d5 5. Nbd2 e6 6. 0-0 Be7 7. a3 0-0 8. c4 Qc7 9. b3 Bd7 10. Bb2 Rad8 11. Qc2 Nh5 12. Rfe1 b6 13. e3 Bf6 14. Bxf6 Nxf6 15. Rab1 a5 16. d4 Qd6 17. cxd5 exd5 18. dxc5 bxc5 19. Rbc1 c4 20. bxc4 Qxa3 21. cxd5 Nb4 22. Qc3 Qxc3 23. Rxc3 Nfxd5 24. Rc5 a4 25. Ne5 Be6 26. Bxd5 Bxd5 27. Ra1 f6 28. Rxa4 Ba8 29. Nec4 Nd3 30. Rc7 Rc8 31. Raa7 Rxc7 32. Rxc7 Bd5 33. e4 Be6 34. Kf1 f5 35. exf5 Bxf5 36. Nd6 Bh3+ 37. Ke2 Nxf2 38. Rf7 Ng4 39. Rxf8+ Kxf8 40. Nf3 Ke7 41. Nf5+ Kf6 42. Ne3 Nxe3 43. Kxe3 g5 44. Ng1 Bg2 45. Kf2 Bc6 46. h4 g4 47. Ne2 Ke5 48. Ke3 1/2-1/2

[Event "Dortmund-ch"]
[Site "Dortmund"]
[Date "2005.03.10"]
[Round "6"]
[White "Sonntag, Joachim"]
[Black "Woestmann, Ulrich"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1757"]
[BlackElo "2017"]
[PlyCount "52"]
[EventDate "2005.02.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 105 Extra"]
[Source "ChessBase"]
[SourceDate "2005.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.05.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Bf5 5. Nf3 Nf6 6. Bd2 c6 7. Bc4 e6 8. a3 Qc7 9. 0-0 Nbd7 10. Re1 Nb6 11. Ne5 Nxc4 12. Nxc4 Rd8 13. Ne2 Nd5 14. Ng3 Bg6 15. Ne3 Nxe3 16. Bxe3 Be7 17. Qd2 0-0 18. Bf4 Qd7 19. Rad1 c5 20. c3 cxd4 21. Qxd4 Qb5 22. Qxa7 Bc5 23. a4 Rxd1 24. Rxd1 Qb3 25. Qxc5 Qxd1+ 26. Nf1 Bd3 0-1

