[Event "Lenk op"]
[Site "Lenk"]
[Date "2011.04.25"]
[Round "7"]
[White "Derksen, Andreas"]
[Black "Hofer, Heinz"]
[Result "1-0"]
[ECO "D10"]
[BlackElo "1736"]
[PlyCount "57"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nf6 5. Bf4 a6 6. e3 e6 7. Bd3 Bd6 8. Qf3 Bxf4 9. Qxf4 Nc6 10. a3 b5 11. Rc1 Bb7 12. b4 Rc8 13. Qg5 0-0 14. h4 h6 15. Qf4 Qc7 16. Qf3 Qd7 17. g4 e5 18. Bf5 Qd6 19. Bxc8 Bxc8 20. g5 e4 21. Qg2 Ng4 22. gxh6 Nxh6 23. Nge2 Nf5 24. Nf4 Qh6 25. Ncxd5 Nxh4 26. Rxh4 Qxh4 27. Rxc6 Bg4 28. Qxe4 Bd7 29. Ne7+ 1-0

[Event "Lenk op"]
[Site "Lenk"]
[Date "2011.04.24"]
[Round "5"]
[White "Derksen, Andreas"]
[Black "Tellenbach, Erwin"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1796"]
[PlyCount "90"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nc6 4. Bc4 a6 5. a3 Nf6 6. h3 g6 7. d3 Bg7 8. 0-0 0-0 9. Ne2 b5 10. Ba2 Bb7 11. c3 Qd7 12. Ng3 Na5 13. Bd2 c4 14. b4 cxb3 15. Bxb3 Nxb3 16. Qxb3 Rac8 17. Rab1 Rc7 18. Rfe1 e6 19. Rbc1 Rfc8 20. d4 Ne8 21. Qd1 Rc4 22. Qe2 Qd8 23. Rc2 Qa5 24. Ra1 Qa4 25. Raa2 Qa5 26. Qe3 Qc7 27. Ne1 Qe7 28. Nd3 Bxd4 29. Qe1 Bg7 30. e5 dxe5 31. Nxe5 R4c5 32. Ng4 h5 33. Ne3 Re5 34. Qf1 Rec5 35. c4 bxc4 36. Bb4 Nd6 37. Bxc5 Rxc5 38. Nxc4 Nxc4 39. Rxc4 Ra5 40. Qb1 Be5 41. Qd3 Rd5 42. Qe2 Qd7 43. Nf1 Rd1 44. Rcc2 Qd5 45. Rd2 Qxg2# 0-1

[Event "Lenk op"]
[Site "Lenk"]
[Date "2011.04.24"]
[Round "6"]
[White "Low, Steven"]
[Black "Derksen, Andreas"]
[Result "1-0"]
[ECO "E33"]
[WhiteElo "1778"]
[PlyCount "105"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 h6 6. a3 Bxc3+ 7. Qxc3 d5 8. e3 Ne4 9. Qc2 0-0 10. Bd3 f5 11. 0-0 Qf6 12. b4 Ne7 13. Bb2 c6 14. Ne1 Ng6 15. f3 Ng5 16. Qf2 f4 17. e4 Bd7 18. e5 Qf7 19. h4 Nh7 20. Qc2 Nxh4 21. Bxh7+ Kh8 22. Bd3 Qh5 23. Qf2 Nf5 24. Bxf5 Rxf5 25. c5 Raf8 26. g4 fxg3 27. Qg2 Rg5 28. Bc1 Rg6 29. Ra2 Qh4 30. Be3 Rf5 31. Qh1 Qe7 32. Qh3 Be8 33. Rg2 h5 34. Rxg3 Rxg3+ 35. Qxg3 h4 36. Qh3 Bh5 37. Rf2 g5 38. Kf1 Kh7 39. a4 Kg6 40. a5 a6 41. Qg2 Qf7 42. Qh3 Kg7 43. Qg2 Kg6 44. Qh3 Qe7 45. Kg1 Qf7 46. Kg2 Qe7 47. Kh2 Qf7 48. Rg2 Bxf3 49. Nxf3 Kh5 50. Qg4+ Kh6 51. Nxh4 Qh5 52. Qxh5+ Kxh5 53. Nxf5 1-0

[Event "Lenk op"]
[Site "Lenk"]
[Date "2011.04.23"]
[Round "4"]
[White "Emmott, Steven Newman"]
[Black "Derksen, Andreas"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1843"]
[PlyCount "65"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 e6 4. Nf3 Nc6 5. d3 d5 6. Be2 d4 7. Nb1 Nf6 8. 0-0 Be7 9. Ne5 Qc7 10. a3 b5 11. Nxc6 Qxc6 12. e5 Nd5 13. Bf3 Bb7 14. Qe1 Qd7 15. Qg3 g6 16. Bd2 Nb6 17. Ba5 Bxf3 18. Qxf3 Rb8 19. Bxb6 Rxb6 20. Nd2 f6 21. exf6 Bxf6 22. Ne4 Be7 23. Rae1 0-0 24. Qh3 Qd5 25. Re2 Qf5 26. g4 Qd5 27. Ref2 Qd8 28. f5 exf5 29. gxf5 Rf7 30. f6 Bxf6 31. Ng5 Rc7 32. Ne6 Qd7 33. Rxf6 1-0

[Event "Lenk op"]
[Site "Lenk"]
[Date "2011.04.23"]
[Round "3"]
[White "Rosebrock, Florian"]
[Black "Derksen, Andreas"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1677"]
[PlyCount "98"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 d6 5. d3 h6 6. 0-0 Nge7 7. Nh4 Na5 8. Bb3 Nxb3 9. axb3 a6 10. Qf3 0-0 11. Qg3 Kh7 12. Be3 Ba7 13. Bxa7 Rxa7 14. f4 exf4 15. Rxf4 c6 16. Raf1 Be6 17. Ne2 c5 18. Nf5 Ng6 19. Rg4 Rg8 20. Nf4 Bxf5 21. exf5 Nxf4 22. Rfxf4 Qf6 23. c3 b5 24. h4 Re7 25. Re4 Rge8 26. Kh2 d5 27. Ref4 Re2 28. Qf3 Rxb2 29. Qxd5 Re5 30. Qf3 Rxb3 31. h5 Rxc3 32. Rg6 Qd8 33. Rxa6 Rxd3 34. Qg4 Qg5 35. f6 Qxg4 36. Rxg4 Rxh5+ 37. Kg1 Rg5 38. Rh4 Rg6 39. Ra5 Rd1+ 40. Kh2 Rxf6 41. Rxb5 Rc1 42. Rb7 g5 43. Re4 Rf2 44. Ree7 Kg6 45. Rb6+ f6 46. Rbb7 Rcc2 47. Kh3 Rxg2 48. Rg7+ Kh5 49. Rb6 g4+ 0-1

[Event "Lenk op"]
[Site "Lenk"]
[Date "2011.04.22"]
[Round "2"]
[White "Derksen, Andreas"]
[Black "Turkmani, Julian"]
[Result "0-1"]
[ECO "A28"]
[BlackElo "1769"]
[PlyCount "40"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. Nf3 d5 5. d4 exd4 6. Nxd4 Bb4 7. Qb3 Qe7 8. Nxc6 bxc6 9. a3 Ba5 10. Be2 0-0 11. 0-0 d4 12. Na4 Bf5 13. Bd3 Rab8 14. Qc2 Bxd3 15. Qxd3 dxe3 16. b4 exf2+ 17. Rxf2 Ng4 18. Re2 Rfd8 19. Qc2 Qd6 20. Bb2 Qxh2+ 0-1

[Event "Lenk op"]
[Site "Lenk"]
[Date "2011.04.21"]
[Round "1"]
[White "Pauchard, Pierre"]
[Black "Derksen, Andreas"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2116"]
[PlyCount "81"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Nge7 5. Bxe5 a6 6. Bxc6+ Nxc6 7. Bb2 Qg5 8. Nf3 Qxg2 9. Rg1 Qh3 10. Nc3 Bg4 11. Rg3 Qh5 12. h3 Bxh3 13. Rg5 Qh6 14. Nxd5 0-0-0 15. Nf4 f6 16. Rh5 Qxh5 17. Nxh5 Bd6 18. Nd4 Ne5 19. Nf4 Bd7 20. Qh5 c5 21. Nf5 Bc7 22. 0-0-0 Kb8 23. Nxg7 Bg4 24. Qh4 Bxd1 25. Nfe6 Nf3 26. Qxf6 Rxd2 27. Nxc7 Rhd8 28. Bd4 cxd4 29. Qxd8+ Ka7 30. Qa8+ Kb6 31. Nd5+ Kc6 32. Nb4+ Kb6 33. Nd5+ Kc6 34. Ne7+ Kb6 35. Nc8+ Kc6 36. Ne7+ Kb6 37. Qd8+ Ka7 38. Nc8+ Kb8 39. Nd6+ Ka7 40. Qd7 Kb6 41. Qxb7+ 1-0

[Event "Bad Zwesten op 5th"]
[Site "Bad Zwesten"]
[Date "2001.01.05"]
[Round "7"]
[White "Derksen, Andreas"]
[Black "Becker, Natalie"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "70"]
[EventDate "2001.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 d6 3. Bc4 Bg7 4. Nc3 Nf6 5. d3 c6 6. Bb3 0-0 7. 0-0 Nbd7 8. h3 b5 9. a3 a5 10. Be3 Bb7 11. Qd2 b4 12. axb4 axb4 13. Ne2 c5 14. Bh6 Qc7 15. Rxa8 Rxa8 16. Bxf7+ Kxf7 17. Ng5+ Kg8 18. Bxg7 Qc8 19. Bh6 Nb6 20. f4 Qc6 21. Ng3 Na4 22. e5 Nd7 23. exd6 exd6 24. Qe2 Nf8 25. Rf2 Nxb2 26. Qe7 Qd7 27. Re2 Ra1+ 28. Kf2 Ra8 29. Kg1 Na4 30. f5 Nc3 31. Re3 Nd5 32. Qxd7 Nxd7 33. Re1 N5f6 34. fxg6 hxg6 35. N3e4 Nxe4 1/2-1/2

[Event "Bad Zwesten op 5th"]
[Site "Bad Zwesten"]
[Date "2001.01.05"]
[Round "6"]
[White "Toth, Hans Juergen"]
[Black "Derksen, Andreas"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "63"]
[EventDate "2001.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nc6 4. d5 Ne5 5. Bf4 Nd3+ 6. Bxd3 cxd3 7. Qxd3 e6 8. Nc3 Bb4 9. Nge2 Bxc3+ 10. Nxc3 Nf6 11. 0-0 0-0 12. Rfd1 Qe7 13. d6 Qe8 14. dxc7 Nd7 15. Rac1 f6 16. Bd6 Rf7 17. Ba3 a6 18. Na4 Ra7 19. Qd6 a5 20. Nc5 Re7 21. Nxb7 Rxb7 22. Qxe7 Qxe7 23. Bxe7 Kf7 24. Bd6 a4 25. Ba3 e5 26. Rd6 Ra7 27. Bb4 Ra8 28. Rd5 Bb7 29. Rxd7+ Ke8 30. Rxg7 Bc8 31. Rd1 Be6 32. Re7+ 1-0

[Event "Bad Zwesten op 5th"]
[Site "Bad Zwesten"]
[Date "2001.01.04"]
[Round "5"]
[White "Derksen, Andreas"]
[Black "Fankhaenel, Stefan"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "100"]
[EventDate "2001.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Bf5 5. Bf4 e6 6. Bxb8 Qxb8 7. Bb5+ Kd8 8. Ne5 Qc7 9. Nc3 f6 10. Nf3 Bb4 11. Qd2 Rc8 12. 0-0 Bxc3 13. bxc3 Qxc3 14. Qxc3 Rxc3 15. Ba4 Kc8 16. Rfe1 Nh6 17. Nh4 Rc4 18. Bb3 Rxd4 19. Nxf5 exf5 20. Red1 Rxd1+ 21. Rxd1 d4 22. Rxd4 Rd8 23. Be6+ Kc7 24. Rc4+ Kb8 25. f3 g5 26. g4 f4 27. Kf2 Ng8 28. Bxg8 Rxg8 29. a4 Rc8 30. Rxc8+ Kxc8 31. h3 Kc7 32. Ke2 Kd6 33. Kd3 Kc5 34. Kc3 h6 35. a5 b5 36. a6 b4+ 37. Kb3 Kb5 38. c4+ bxc3 39. Kxc3 Kxa6 40. Kb4 Kb6 41. Ka4 Kc5 42. Ka5 Kd4 43. Ka6 Ke3 44. Kxa7 Kxf3 45. h4 Kxg4 46. hxg5 fxg5 47. Ka6 f3 48. Kb7 f2 49. Kc8 f1Q 50. Kb8 Qf7 0-1

[Event "Bad Zwesten op 5th"]
[Site "Bad Zwesten"]
[Date "2001.01.04"]
[Round "4"]
[White "Gossmann, Bernd"]
[Black "Derksen, Andreas"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2167"]
[PlyCount "71"]
[EventDate "2001.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 a6 3. g3 Nf6 4. Bg2 Bb4 5. e3 d6 6. Qa4+ Bd7 7. Qxb4 Bc6 8. Nf3 0-0 9. 0-0 Nbd7 10. d4 exd4 11. exd4 a5 12. Qb3 b6 13. Be3 Bb7 14. h3 Re8 15. Rfe1 c5 16. d5 Ne5 17. Nxe5 Rxe5 18. Bf4 Rxe1+ 19. Rxe1 Ba6 20. Nb5 Bxb5 21. Qxb5 Nh5 22. Bd2 h6 23. h4 Nf6 24. Bh3 Rb8 25. a4 Ne8 26. Bf4 g5 27. hxg5 hxg5 28. Bxg5 Qxg5 29. Rxe8+ Rxe8 30. Qxe8+ Kg7 31. Qb5 Qg6 32. Qxb6 Qh7 33. Bf1 Qc2 34. Qxa5 Qxb2 35. Qb5 Qc2 36. a5 1-0

[Event "Bad Zwesten op 5th"]
[Site "Bad Zwesten"]
[Date "2001.01.03"]
[Round "2"]
[White "Derksen, Andreas"]
[Black "Vehmeyer, Thomas"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "120"]
[EventDate "2001.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Bb4 5. Bd2 Nf6 6. Nf3 0-0 7. h3 Nc6 8. Bb5 Re8+ 9. Ne2 Bxd2+ 10. Qxd2 Ne4 11. Qd1 Nd6 12. Bxc6 bxc6 13. 0-0 Qf6 14. Ng3 Ba6 15. Re1 Re6 16. Ne5 Nc4 17. Nd7 Qe7 18. Rxe6 fxe6 19. Nc5 Bc8 20. b3 Nb6 21. Nd3 Nd7 22. Qf3 Ba6 23. Re1 Rf8 24. Qe3 Bxd3 25. Qxd3 Qf6 26. Qe3 Re8 27. Nh5 Qf5 28. Nf4 e5 29. Nd3 e4 30. f3 Nf6 31. Ne5 exf3 32. Qxf3 Qxc2 33. g4 Qxa2 34. g5 Qd2 35. Rd1 Qxg5+ 36. Kh2 Rf8 37. Rf1 Qd2+ 38. Rf2 Qxd4 39. Ng4 Nxg4+ 40. hxg4 Rxf3 41. Rxf3 Qxg4 42. Rg3 Qh4+ 43. Kg2 Qxg3+ 44. Kxg3 Kf7 45. Kf3 Ke6 46. Ke3 Ke5 47. b4 g5 48. Ke2 Ke4 49. b5 cxb5 50. Kf2 a5 51. Ke2 h5 52. Kd2 c5 53. Ke2 a4 54. Kd2 h4 55. Ke2 a3 56. Kf2 g4 57. Ke2 a2 58. Kf2 a1Q 59. Ke2 Qa2+ 60. Kf1 Kf3 0-1

[Event "Bad Zwesten op 5th"]
[Site "Bad Zwesten"]
[Date "2001.01.02"]
[Round "1"]
[White "Zuschlag, Volker"]
[Black "Derksen, Andreas"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2029"]
[PlyCount "107"]
[EventDate "2001.01.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. c3 Bg4 6. h3 Bh5 7. a3 Nf6 8. d3 h6 9. Nbd2 a6 10. Ba2 Bb6 11. Nc4 Nd7 12. Be3 Bxe3 13. fxe3 0-0 14. Qe1 Bxf3 15. Rxf3 Nf6 16. Nd2 Ne7 17. Qg3 Ng6 18. Qxg6 Kh8 19. Qg3 Qd7 20. c4 b5 21. b4 a5 22. Rff1 axb4 23. axb4 bxc4 24. Bxc4 Rab8 25. b5 c6 26. bxc6 Qxc6 27. Rac1 Qd7 28. Rb1 Rxb1 29. Rxb1 Qa7 30. Qe1 Rd8 31. Ra1 Qb7 32. Qb1 Qc7 33. Qa2 Rd7 34. Qa5 Qxa5 35. Rxa5 Kh7 36. d4 exd4 37. exd4 Re7 38. Ra6 Nxe4 39. Nxe4 Rxe4 40. Bd3 d5 41. Rd6 f5 42. Bxe4 dxe4 43. d5 Kg8 44. Kf2 Kf7 45. Re6 h5 46. h4 g6 47. Kg3 g5 48. hxg5 Kf8 49. Kf4 h4 50. Kxf5 h3 51. gxh3 e3 52. Rxe3 Kf7 53. Re6 Kf8 54. Kf6 1-0

