[Event "Baden-ch AT1"]
[Site "Waldshut"]
[Date "2002.04.06"]
[Round "9"]
[White "Matzke, Rolf"]
[Black "Zefferer, Jonas"]
[Result "1-0"]
[ECO "D68"]
[PlyCount "93"]
[EventDate "2002.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 0-0 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 c6 9. Rc1 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Rxc3 e5 13. d5 cxd5 14. Bxd5 Nb6 15. Qb3 Bg4 16. Rfc1 Rac8 17. Rxc8 Rxc8 18. Rxc8+ Bxc8 19. a4 Qc7 20. e4 Nxd5 21. exd5 e4 22. Nd2 f5 23. f3 exf3 24. Nxf3 Qd6 25. Qe3 Qb6 26. Qxb6 axb6 27. Kf2 Kf8 28. Ke3 Ke7 29. Kd4 Kd6 30. Ng5 h6 31. Nf7+ Ke7 32. Ne5 Kd6 33. Nc4+ Kc7 34. Ke5 g5 35. g3 h5 36. Ne3 f4 37. gxf4 gxf4 38. Kxf4 b5 39. a5 b6 40. axb6+ Kxb6 41. Ke5 Kc7 42. d6+ Kd7 43. Nd5 Kd8 44. h4 Bh3 45. Nf6 Bg4 46. Nxg4 hxg4 47. Kf4 1-0

[Event "Baden-ch AT1"]
[Site "Waldshut"]
[Date "2002.04.05"]
[Round "8"]
[White "Zefferer, Jonas"]
[Black "Bruechert, Matthias"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "43"]
[EventDate "2002.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 e5 3. Nf3 Nc6 4. Bc4 Bc5 5. 0-0 0-0 6. d3 h6 7. Be3 Bxe3 8. fxe3 d6 9. h3 a6 10. a4 Bd7 11. Nd5 Nxd5 12. Bxd5 Rb8 13. c3 Ne7 14. Bc4 c6 15. Bb3 Qc8 16. d4 exd4 17. exd4 Be6 18. Bc2 Qc7 19. Qd3 Rfe8 20. Nh4 b5 21. d5 Ng6 22. Nxg6 1-0

[Event "Baden-ch AT1"]
[Site "Waldshut"]
[Date "2002.04.04"]
[Round "7"]
[White "Zefferer, Jonas"]
[Black "Woisetschlaeger, Adolf"]
[Result "1/2-1/2"]
[ECO "E81"]
[PlyCount "34"]
[EventDate "2002.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 0-0 7. Qd2 c5 8. d5 Nb6 9. Bh6 Bd7 10. Bd3 Na4 11. Bxg7 Kxg7 12. Nge2 Qa5 13. Nxa4 Qxd2+ 14. Kxd2 Bxa4 15. Bc2 Bxc2 16. Kxc2 a6 17. a4 h5 1/2-1/2

[Event "Baden-ch AT1"]
[Site "Waldshut"]
[Date "2002.04.03"]
[Round "5"]
[White "Ganz, Philipp"]
[Black "Zefferer, Jonas"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "48"]
[EventDate "2002.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 exd5 5. d4 Be7 6. Bf4 0-0 7. Rc1 c6 8. e3 Bb4 9. a3 Bxc3+ 10. Rxc3 Ne4 11. Rc1 Bg4 12. Be2 Qa5+ 13. Nd2 Bxe2 14. Qxe2 Nd7 15. Rd1 Ndf6 16. 0-0 Rfe8 17. f3 Nxd2 18. Rxd2 Nh5 19. Be5 Re6 20. Rc2 f6 21. Bg3 Nxg3 22. hxg3 Rae8 23. Re1 Rxe3 24. Qxe3 Qxe1+ 0-1

[Event "Baden-ch AT1"]
[Site "Waldshut"]
[Date "2002.04.03"]
[Round "6"]
[White "Von Roth, Matthias"]
[Black "Zefferer, Jonas"]
[Result "1/2-1/2"]
[ECO "D04"]
[PlyCount "81"]
[EventDate "2002.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bg4 4. Bd3 e6 5. 0-0 Bd6 6. Nbd2 0-0 7. c3 Nbd7 8. e4 dxe4 9. Nxe4 Be7 10. Re1 c5 11. Nxf6+ Nxf6 12. Be2 Qc7 13. Bg5 Rfd8 14. Qa4 Bxf3 15. Bxf3 cxd4 16. cxd4 Qb6 17. Red1 h6 18. Bf4 Bd6 19. Be5 Bxe5 20. dxe5 Nd5 21. Rd2 Rac8 22. Rad1 Rc5 23. b4 Rc4 24. a3 Qc7 25. Qxa7 Qxe5 26. Qxb7 Rdc8 27. Bxd5 exd5 28. Qxd5 Qf4 29. g3 Qb8 30. Re2 R4c7 31. Ree1 Qa7 32. Ra1 Rc2 33. Qf5 g6 34. Qf6 R2c6 35. Qf4 Rc2 36. a4 R8c4 37. Re8+ Kh7 38. Qf3 R4c3 39. Qf4 Rc4 40. Qf3 R4c3 41. Qf4 1/2-1/2

[Event "Baden-ch AT1"]
[Site "Waldshut"]
[Date "2002.04.02"]
[Round "4"]
[White "Zefferer, Jonas"]
[Black "Batjunin, Gennadij"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "56"]
[EventDate "2002.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qa4 g6 5. Bf4 e5 6. Bd2 Nge7 7. Nf3 Bg7 8. 0-0-0 0-0 9. h4 d5 10. h5 e4 11. Ne1 Be6 12. hxg6 fxg6 13. f3 a6 14. fxe4 b5 15. Qb3 Na5 16. Qa3 Nc4 17. Qc5 Rc8 18. Qg1 Qa5 19. Kb1 Nxd2+ 20. Rxd2 Rxc3 21. exd5 Bf5 22. d6 Nc6 23. Qh2 h6 24. d7 Nb4 25. a3 Rxa3 26. bxa3 Qxa3 27. Qxh6 Qa2+ 28. Kc1 Qa1# 0-1

[Event "Baden-ch AT1"]
[Site "Waldshut"]
[Date "2002.04.01"]
[Round "3"]
[White "Bauer, Stefan1"]
[Black "Zefferer, Jonas"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "49"]
[EventDate "2002.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. e3 Nf6 4. Bd3 Bxd3 5. Qxd3 c6 6. Nbd2 e6 7. c3 Bd6 8. 0-0 0-0 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nd7 12. Bg5 Be7 13. Bxe7 Qxe7 14. Rfe1 Rfd8 15. Rad1 Nf6 16. Qf4 Nd5 17. Qe5 Qf6 18. Qxf6 Nxf6 19. Ne5 Rd6 20. Nc4 Rd7 21. f3 Rad8 22. Ne5 Rd6 23. Nc4 R6d7 24. Ne5 Rd6 25. Nc4 1/2-1/2

[Event "Baden-ch AT1"]
[Site "Waldshut"]
[Date "2002.03.30"]
[Round "1"]
[White "Ohnezat, Nico"]
[Black "Zefferer, Jonas"]
[Result "0-1"]
[ECO "C17"]
[PlyCount "56"]
[EventDate "2002.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. d4 Bb4 4. e5 Ne7 5. Nf3 c5 6. Bg5 h6 7. Bh4 Nbc6 8. Bb5 a6 9. Bxc6+ bxc6 10. 0-0 Qc7 11. Bxe7 Qxe7 12. a3 Bxc3 13. bxc3 0-0 14. Qd2 a5 15. Rfb1 Ba6 16. Rb2 Rfb8 17. Rab1 Rxb2 18. Rxb2 cxd4 19. Nxd4 Qxa3 20. Qc1 Qxc3 21. Nf3 a4 22. Qa1 Bb5 23. Qb1 a3 24. Ra2 Bc4 25. Ra1 a2 26. Qc1 Rb8 27. h3 Qxa1 28. Qxa1 Rb1+ 0-1

[Event "GER-chT U15"]
[Site "Bonn"]
[Date "1996.??.??"]
[Round "3"]
[White "Fresow, Boris"]
[Black "Zefferer, Jonas"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "85"]
[EventDate "1996.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Nc3 Nf6 5. Bg5 0-0 6. e5 Nfd7 7. Nd5 f6 8. exf6 exf6 9. Be3 c6 10. Nf4 Nb6 11. Be2 Re8 12. 0-0 Bg4 13. d5 f5 14. Ne6 Qd7 15. Nxg7 Qxg7 16. Bxb6 axb6 17. Bc4 c5 18. b3 Nd7 19. Bb5 Re7 20. Bxd7 Rxd7 21. h3 Bxf3 22. Qxf3 Re7 23. a4 b5 24. Qf4 Qf6 25. g4 bxa4 26. g5 Qe5 27. Qc4 Qe2 28. Rxa4 Rxa4 29. Qxa4 Qxc2 30. Qa5 Qxb3 31. Qd8+ Kf7 32. Qxd6 c4 33. Qf6+ Ke8 34. d6 Re2 35. Qg7 Qd3 36. Ra1 Qxd6 37. Ra8+ Qd8 38. Qg8+ Kd7 39. Qxd8+ Kc6 40. Rc8+ Kb5 41. Qd1 Re4 42. Qb1+ Ka6 43. Ra8# 1-0

[Event "GER-chT U15"]
[Site "Bonn"]
[Date "1996.??.??"]
[Round "4"]
[White "Schleefers, Florian"]
[Black "Zefferer, Jonas"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "81"]
[EventDate "1996.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. e4 0-0 6. Be2 c5 7. d5 Re8 8. 0-0 Nbd7 9. a3 Nb6 10. Qc2 Bg4 11. Qd3 Nfd7 12. b3 Ne5 13. Nxe5 Bxe2 14. Qxe2 Bxe5 15. Bb2 Qd7 16. Rab1 Rac8 17. Nd1 Bxb2 18. Rxb2 Qc7 19. Ne3 Nd7 20. Ng4 Ne5 21. Nxe5 dxe5 22. Qe3 Rcd8 23. Re1 e6 24. Qg3 Rd7 25. Rd1 exd5 26. Rxd5 Red8 27. Rbd2 b6 28. h3 f6 29. Qg4 Rxd5 30. Rxd5 Rxd5 31. Qe6+ Qf7 32. Qxd5 Qxd5 33. exd5 Kf7 34. Kf1 Ke7 35. Ke2 f5 36. Ke3 b5 37. f3 a6 38. g4 bxc4 39. bxc4 a5 40. a4 Kd6 41. h4 1/2-1/2

[Event "GER-chT U15"]
[Site "Bonn"]
[Date "1996.??.??"]
[Round "7"]
[White "Zefferer, Jonas"]
[Black "Musser, Sebastian"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "69"]
[EventDate "1996.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. exd5 cxd5 8. 0-0 Be7 9. Re1 0-0 10. Bg5 c5 11. b3 Be6 12. Nd2 Qc7 13. h3 Rad8 14. Qe2 h6 15. Bh4 Ne8 16. Bxe7 Qxe7 17. Rab1 Qf6 18. c4 a5 19. cxd5 Bxd5 20. Bc4 Bxc4 21. Nxc4 Ra8 22. Qe5 Qc6 23. Rbd1 a4 24. Rd5 axb3 25. Rxc5 Qf6 26. axb3 Qxe5 27. Rcxe5 Nc7 28. Rb1 f6 29. Re2 Rab8 30. b4 Nd5 31. Reb2 Nc3 32. Rc1 Nd5 33. b5 Rfc8 34. g4 Nb6 35. Rbc2 1/2-1/2

