[Event "Muehlhaeusen op"]
[Site "Muehlhausen"]
[Date "2007.05.20"]
[Round "7.23"]
[White "Katzer, Michael"]
[Black "Markus, Roland"]
[Result "0-1"]
[ECO "D58"]
[WhiteElo "1590"]
[BlackElo "1779"]
[PlyCount "62"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 h6 4. Bh4 Be7 5. Nf3 b6 6. Nc3 Bb7 7. e3 0-0 8. Bd3 d5 9. Bxf6 Bxf6 10. cxd5 exd5 11. 0-0 c5 12. Bc2 Na6 13. Qd3 g6 14. a3 Nc7 15. Qd2 Bg7 16. Ne2 Ne6 17. Ng3 Ng5 18. Ne1 Ne4 19. Bxe4 dxe4 20. Nc2 Qe7 21. Qe2 a5 22. Rfe1 Ba6 23. Qg4 Bd3 24. Rac1 Rac8 25. h4 h5 26. Nxh5 gxh5 27. Qxh5 Rc6 28. g3 Rh6 29. Qd5 Rd8 30. Qf5 Rdd6 31. dxc5 Rdg6 0-1

[Event "Muehlhaeusen op"]
[Site "Muehlhausen"]
[Date "2007.05.19"]
[Round "6.23"]
[White "Gitter, Lucas"]
[Black "Katzer, Michael"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1398"]
[BlackElo "1590"]
[PlyCount "40"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ Bd7 7. Qe2 Bd6 8. Nc3 0-0 9. Nf3 Nxd5 10. Nxd5 c6 11. Nc3 cxb5 12. Nxb5 e4 13. Nfd4 Be5 14. Nb3 a6 15. Nc3 Bxc3 16. bxc3 Bb5 17. Qh5 Nc6 18. a4 Bc4 19. Qc5 Be6 20. 0-0 Qg5 1-0

[Event "Muehlhaeusen op"]
[Site "Muehlhausen"]
[Date "2007.05.19"]
[Round "5.25"]
[White "Katzer, Michael"]
[Black "Gitter, Richard"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1590"]
[PlyCount "47"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 Nc6 5. Nf3 h6 6. 0-0 e6 7. Nc3 Bb4 8. Qc2 Bd7 9. a3 Bd6 10. e4 Qe7 11. e5 Nxe5 12. dxe5 Bxe5 13. Nxe5 Bc6 14. Nxc6 bxc6 15. Be3 Rd8 16. Ne4 Ng4 17. Bc5 Qh4 18. h3 h5 19. Rad1 Rh7 20. Rxd8+ Kxd8 21. Rd1+ Kc8 22. Ba6+ Kb8 23. Qb3+ Ka8 24. Qb7# 1-0

[Event "Muehlhaeusen op"]
[Site "Muehlhausen"]
[Date "2007.05.18"]
[Round "4.3"]
[White "Preusse, Goetz"]
[Black "Katzer, Michael"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1345"]
[BlackElo "1590"]
[PlyCount "44"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ndf6 6. Ng5 Nh6 7. N1f3 e6 8. Qe2 Bb4+ 9. c3 Be7 10. 0-0 0-0 11. Nxe6 Bxe6 12. Bxe6 fxe6 13. Bxh6 gxh6 14. Qxe6+ Kh8 15. Ne5 Bd6 16. Nf7+ Rxf7 17. Qxf7 Bxh2+ 18. Kxh2 Ng4+ 19. Kg1 Qh4 20. Qf4 Rg8 21. f3 Rg5 22. fxg4 Rxg4 1-0

[Event "Muehlhaeusen op"]
[Site "Muehlhausen"]
[Date "2007.05.17"]
[Round "3.24"]
[White "Katzer, Michael"]
[Black "Roehrig, Johanna"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1590"]
[BlackElo "1024"]
[PlyCount "39"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Bc4 Nf6 5. h3 0-0 6. Nf3 e6 7. Bg5 b6 8. Qe2 Qe8 9. 0-0 Bb7 10. Bxf6 Bxf6 11. Nb5 Qe7 12. c3 c6 13. Nxd6 Qxd6 14. e5 Bxe5 15. dxe5 Qe7 16. Qe3 c5 17. Nh2 Nd7 18. Bb5 f5 19. Bxd7 Qxd7 20. Rad1 1/2-1/2

[Event "Muehlhaeusen op"]
[Site "Muehlhausen"]
[Date "2007.05.17"]
[Round "2.14"]
[White "Skorna, Ullrich"]
[Black "Katzer, Michael"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2101"]
[BlackElo "1590"]
[PlyCount "123"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 Nb6 7. a4 a5 8. Be3 Ne7 9. Nbd2 Bg6 10. Re1 Nf5 11. Nf1 Bb4 12. c3 Be7 13. Bd3 0-0 14. Qd2 Nc4 15. Qe2 Nb6 16. Bd2 c5 17. dxc5 Bxc5 18. Bxf5 Bxf5 19. Be3 Nd7 20. Nd4 Bg6 21. Qb5 Qc7 22. f4 Rfd8 23. Nd2 Qb6 24. N2b3 Qxb5 25. Nxb5 Bxe3+ 26. Rxe3 Nb6 27. Nd6 Nc4 28. Nxc4 dxc4 29. Nd4 Rd5 30. g4 h6 31. Kf2 Bd3 32. h4 Ra6 33. Nb5 Rc6 34. Rd1 g6 35. Rd2 Be4 36. Nd4 Bb1 37. Rd1 Bc2 38. Ra1 Rb6 39. Nxc2 Rxb2 40. Re2 Rb3 41. Ne3 Rd3 42. Nxc4 Rdxc3 43. Ne3 Ra3 44. Rxa3 Rxa3 45. Rb2 Rxa4 46. Kf3 Rb4 47. Rxb4 axb4 48. Ke4 Kg7 49. g5 hxg5 50. hxg5 Kf8 51. Kd3 b5 52. Kc2 Ke7 53. Kb3 Kd7 54. Kxb4 Kc6 55. Kc3 Kc5 56. Nc2 Kd5 57. Kd3 Kc5 58. Ne3 Kb4 59. Kc2 Ka4 60. Ng4 Kb4 61. Nh6 Kc4 62. Nxf7 1-0

[Event "Muehlhaeusen op"]
[Site "Muehlhausen"]
[Date "2007.05.16"]
[Round "1.9"]
[White "Katzer, Michael"]
[Black "Mehlhorn, Uwe"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1590"]
[BlackElo "2150"]
[PlyCount "49"]
[EventDate "2007.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. h3 c6 6. Nf3 0-0 7. Bf4 Nxe4 8. Nxe4 d5 9. Bd3 dxe4 10. Bxe4 Qb6 11. Rb1 c5 12. dxc5 Qxc5 13. 0-0 Nc6 14. c3 Be6 15. a4 Rfd8 16. Qc2 Qh5 17. Ng5 Bd5 18. Bxd5 Rxd5 19. Qb3 Rad8 20. Qxb7 h6 21. Nxf7 Kxf7 22. Qxc6 g5 23. Bc7 R8d7 24. Rfe1 Bf6 25. Qe6+ 1/2-1/2

