[Event "GER CupT qual"]
[Site "Bad Oldesloe"]
[Date "2007.01.13"]
[Round "?"]
[White "Mueller, Oliver"]
[Black "Katzer, Johannes"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2298"]
[BlackElo "2107"]
[PlyCount "87"]
[EventDate "2007.01.13"]
[EventType "team"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Werder Bremen "]
[BlackTeam "Bad Oldesloe"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. Nc3 Nf6 3. d4 g6 4. Be2 Bg7 5. Be3 a6 6. a4 0-0 7. h4 h5 8. f3 b6 9. Qd2 Bb7 10. Nh3 Nbd7 11. Bh6 c5 12. Bxg7 Kxg7 13. d5 Ne5 14. Ng5 b5 15. axb5 axb5 16. Rxa8 Qxa8 17. Bxb5 Qa1+ 18. Nd1 Rb8 19. Be2 Ba6 20. 0-0 Bxe2 21. Qxe2 Qc1 22. f4 Neg4 23. c4 Nd7 24. e5 dxe5 25. f5 Nf8 26. fxg6 f6 27. Ne4 Rb4 28. d6 exd6 29. Nxd6 Nxg6 30. Nf5+ Kh8 31. Nde3 Qxb2 32. Qd3 Rb8 33. Nxg4 hxg4 34. Qd7 Qb7 35. Qe6 Qb6 36. Qd7 Qb7 37. Qe6 Rf8 38. Qd6 Rf7 39. Nh6 Nf4 40. Nxf7+ Qxf7 41. Rb1 Ne2+ 42. Kf2 g3+ 43. Kxe2 Qxc4+ 44. Qd3 1-0

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.09"]
[Round "9"]
[White "Bente, Bjoern"]
[Black "Katzer, Johannes"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2259"]
[BlackElo "2118"]
[PlyCount "41"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Bxf6 Bxf6 6. e4 d6 7. Nf3 Nc6 8. d5 Bxc3+ 9. bxc3 fxe4 10. Ng5 Ne5 11. Nxe4 0-0 12. Be2 c5 13. 0-0 b6 14. f4 Nd7 15. Bd3 Nf6 16. Ng5 h6 17. Nf3 Ng4 18. Qd2 e5 19. fxe5 Rxf3 20. Rxf3 Nxe5 21. Qxh6 1-0

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.08"]
[Round "8"]
[White "Katzer, Johannes"]
[Black "Van der Plas, Rob"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2118"]
[BlackElo "2211"]
[PlyCount "57"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d3 b5 3. Nf3 Bb7 4. g3 Nf6 5. Bg2 Be7 6. 0-0 c5 7. Nbd2 0-0 8. e5 Nd5 9. c4 Nb4 10. cxb5 Nxd3 11. Nc4 Nxc1 12. Rxc1 f6 13. Nd6 Bxd6 14. Qxd6 fxe5 15. Nxe5 Bxg2 16. Kxg2 Qb6 17. Rfd1 Qxb5 18. b3 Qe2 19. Qxc5 Na6 20. Qe3 Qxe3 21. fxe3 d5 22. Rc6 Nb4 23. Rxe6 Rfe8 24. Rxe8+ Rxe8 25. Nf3 Rxe3 26. Kf2 Rc3 27. Rd2 Nd3+ 28. Ke2 Nc1+ 29. Kf2 1/2-1/2

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.07"]
[Round "5"]
[White "Gottuk, Stefan"]
[Black "Katzer, Johannes"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2280"]
[BlackElo "2118"]
[PlyCount "43"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Nbd7 7. d5 b4 8. dxc6 bxc3 9. cxd7+ Bxd7 10. Qxc3 Bg7 11. Bd3 0-0 12. Qa3 Qb8 13. Rb1 d5 14. exd5 Nxd5 15. Be4 Nc3 16. Bxa8 Nxb1 17. Qd3 Bf5 18. Be4 Qb4+ 19. Kf2 Bxe4 20. Qxe4 Qxb2 21. Ne2 Qxa2 22. Qxe7 1/2-1/2

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.07"]
[Round "7"]
[White "Zimmermann, Gordon"]
[Black "Katzer, Johannes"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "1748"]
[BlackElo "2118"]
[PlyCount "96"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 Bg4 9. a3 0-0 10. Be3 Qa5 11. 0-0 Nc6 12. h3 Bxf3 13. Qxf3 Nd7 14. b4 Qd8 15. Bd2 Rc8 16. Ra2 Nd4 17. Qf2 Nb3 18. cxb3 Bxc3 19. Bxc3 Rxc3 20. Qd4 Qb6 21. Qxb6 Nxb6 22. Bc2 Rfc8 23. Bd1 Nd7 24. Rb2 b6 25. Rf3 Nf8 26. Rxc3 Rxc3 27. f5 Kg7 28. Kf1 gxf5 29. exf5 Kf6 30. Rf2 Rc1 31. Ke1 Nd7 32. Kd2 Ra1 33. a4 Ne5 34. Bc2 Nc6 35. Rf4 Rg1 36. Rg4 h5 37. Rc4 Rxg2+ 38. Kc1 Ne5 39. Rc7 a6 40. Ra7 Nc6 41. Rb7 Nxb4 42. Be4 Re2 43. Bf3 Re3 44. Bxh5 Rxh3 45. Bd1 Rc3+ 46. Kb2 Rc6 47. Bf3 d5 48. Ka3 a5 0-1

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.06"]
[Round "6"]
[White "Katzer, Johannes"]
[Black "Hebbinghaus, Holger"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2118"]
[BlackElo "2288"]
[PlyCount "56"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. g3 dxe4 6. dxe4 Bc5 7. Bd3 e5 8. 0-0 Qe7 9. Re1 0-0 10. Nc4 Ng4 11. Re2 Nc6 12. c3 a5 13. Kg2 Rd8 14. Be3 Ba6 15. Bxc5 Qxc5 16. b3 Bxc4 17. bxc4 Rd7 18. Qc2 Rad8 19. Rd1 Qxf2+ 20. Rxf2 Ne3+ 21. Kg1 Nxc2 22. Rxc2 Rxd3 23. Rxd3 Rxd3 24. Kf2 f6 25. Ke2 Rd7 26. Nh4 Nd8 27. Nf3 Nb7 28. Nd2 Nc5 0-1

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.04"]
[Round "4"]
[White "Katzer, Johannes"]
[Black "Salov, Sergej"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2118"]
[BlackElo "2293"]
[PlyCount "76"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 d5 4. Nbd2 Nc6 5. g3 g6 6. Bg2 Bg7 7. 0-0 Nge7 8. Re1 b6 9. c3 a5 10. e5 Qc7 11. Qe2 h6 12. h4 g5 13. Nf1 g4 14. N3h2 h5 15. f4 Nf5 16. Ne3 Nce7 17. Nhf1 Ba6 18. Nxf5 Nxf5 19. Ne3 Nxg3 20. Qf2 Nf5 21. Nxf5 exf5 22. Bxd5 0-0-0 23. c4 Bb7 24. d4 cxd4 25. Qxd4 Bf8 26. Qd3 Bc5+ 27. Be3 Bxe3+ 28. Rxe3 Qc5 29. Qxf5+ Kb8 30. Qe4 f5 31. Qd3 Bxd5 32. cxd5 Rxd5 33. Qc3 Qxc3 34. Rxc3 Rd4 35. Rf1 Rc8 36. Re3 Rc2 37. e6 Rdd2 38. Rf2 Rd1+ 1/2-1/2

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.03"]
[Round "3"]
[White "Akram, Rashed"]
[Black "Katzer, Johannes"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1839"]
[BlackElo "2118"]
[PlyCount "44"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e5 dxe5 6. dxe5 Ng4 7. Nd5 c6 8. Nxe7 Qa5+ 9. Qd2 Qxd2+ 10. Kxd2 Nxf2 11. Nxc8 Ne4+ 12. Ke1 Nxg5 13. Nd6+ Ke7 14. Nxb7 Bxe5 15. c3 Nd7 16. Na5 Rhc8 17. Nc4 Bf6 18. Nf3 Ne4 19. Rc1 Rab8 20. Nfd2 Nxd2 21. Nxd2 Rxb2 22. Bc4 Ne5 0-1

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.02"]
[Round "2"]
[White "Katzer, Johannes"]
[Black "Buchenau, Frank"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2118"]
[BlackElo "2334"]
[PlyCount "71"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. g3 dxe4 6. dxe4 Bb7 7. Qe2 Ba6 8. c4 Nc6 9. Bg2 e5 10. 0-0 Bb7 11. Rd1 Bc5 12. Nb3 Qe7 13. Nh4 0-0 14. Nf5 Qe6 15. Be3 Bxe3 16. Nxe3 Nd4 17. Nxd4 exd4 18. Nd5 Nxd5 19. cxd5 Bxd5 20. Rxd4 Bb7 21. Qc4 Qxc4 22. Rxc4 c5 23. Rd1 Rad8 24. Rcc1 Rfe8 25. e5 Bxg2 26. Kxg2 g5 27. f4 gxf4 28. gxf4 f6 29. exf6 Kf7 30. Kf3 Kxf6 31. a3 Kf5 32. h3 h5 33. h4 Rd4 34. Rxd4 cxd4 35. Rd1 Re3+ 36. Kf2 0-1

[Event "Hamburg Junge op"]
[Site "Hamburg"]
[Date "2005.10.01"]
[Round "1"]
[White "Graffenberger, Wilhelm"]
[Black "Katzer, Johannes"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1762"]
[BlackElo "2118"]
[PlyCount "52"]
[EventDate "2005.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 108 Extra"]
[Source "ChessBase"]
[SourceDate "2005.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.04"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 e5 5. e4 Nc6 6. Nge2 Nge7 7. 0-0 Be6 8. d3 Qd7 9. Be3 0-0 10. Qd2 Nd4 11. Bh6 Nxe2+ 12. Nxe2 Rab8 13. Bxg7 Kxg7 14. f4 f6 15. b3 c5 16. Nc3 Nc6 17. Nd5 Nd4 18. Ne3 b5 19. Qd1 bxc4 20. bxc4 Rb2 21. g4 Ne2+ 22. Kh1 Nxf4 23. Rxf4 exf4 24. Nd5 Bxd5 25. cxd5 Rfb8 26. Bf3 Qb5 0-1

[Event "Bargteheide op 6th"]
[Site "Bargteheide"]
[Date "2003.05.29"]
[Round "1"]
[White "Katzer, Johannes"]
[Black "Hebbinghaus, Holger"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1916"]
[BlackElo "2273"]
[PlyCount "82"]
[EventDate "2003.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 094 Extra"]
[Source "ChessBase"]
[SourceDate "2003.07.09"]
[SourceVersion "2"]
[SourceVersionDate "2003.07.09"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh5 5. g4 dxe4 6. Ne5 Bg6 7. h4 Qc7 8. d4 exd3 9. Bf4 Qb6 10. Qd2 Nf6 11. cxd3 h6 12. Nxg6 fxg6 13. Bh3 e5 14. Qe2 Be7 15. Bxe5 Nbd7 16. Bd6 Ng8 17. Bxe7 Nxe7 18. 0-0-0 Kd8 19. Rhe1 Re8 20. g5 Qd4 21. Qe4 Qd6 22. Qe6 Qxe6 23. Rxe6 Nc5 24. Rd6+ Kc7 25. Ne4 hxg5 26. hxg5 Rh8 27. Bg4 a5 28. f3 b6 29. d4 Nxe4 30. Rd7+ Kb8 31. fxe4 Ra7 32. Rxa7 Kxa7 33. Rf1 Rh4 34. Rf7 Rxg4 35. Rxe7+ Ka6 36. Rxg7 Rxg5 37. e5 c5 38. dxc5 Rxe5 39. cxb6 Rc5+ 40. Kd2 Rb5 41. b7 Rxb2+ 1/2-1/2

