[Event "Goch op 24th"]
[Site "Goch"]
[Date "2013.09.08"]
[Round "7"]
[White "Der, Josef"]
[Black "Kruett, Michael"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1756"]
[BlackElo "1846"]
[PlyCount "120"]
[EventDate "2013.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 g6 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. 0-0 Ngf6 7. c3 Bg7 8. d3 0-0 9. h3 Re8 10. d4 cxd4 11. cxd4 Rc8 12. Nc3 a6 13. Qb3 Qb6 14. Qd1 e6 15. Ne5 Qd8 16. g4 Nxe5 17. fxe5 Nd7 18. Rf3 f6 19. exf6 Nxf6 20. Qd3 b5 21. a3 Qd6 22. Bd2 e5 23. dxe5 Qxe5 24. Be1 Ne4 25. Qxd5+ Qxd5 26. Nxd5 Bxb2 27. Rb1 Bg7 28. Bb4 Rc2 29. Rd1 Rc4 30. Ne7+ Kh8 31. Rd7 Ng5 32. Rg3 Be5 33. Rg2 Nxh3+ 34. Kf1 Rc1+ 35. Ke2 Ng5 36. Kd2 Rc4 37. Kd3 Bf6 38. Nd5 Be5 39. Be7 Ne6 40. Bf6+ Bxf6 41. Nxf6 Nc5+ 42. Kd2 Nxd7 43. Nxe8 Ra4 44. Rf2 Kg8 45. Nc7 Rxa3 46. Rf4 Ra2+ 47. Kc3 Ra1 48. Kd2 Nc5 49. e4 g5 50. Rf5 Nxe4+ 51. Kd3 Nd6 52. Rxg5+ Kf7 53. Rh5 Kg6 54. Ne6 Ra4 55. Nf8+ Kf7 56. Nxh7 Rxg4 57. Rd5 Ke6 58. Rh5 Nf5 59. Ng5+ Kf6 60. Ne4+ Rxe4 0-1

[Event "Goch op 24th"]
[Site "Goch"]
[Date "2013.09.08"]
[Round "6"]
[White "Ivkin, Michael"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1821"]
[BlackElo "1756"]
[PlyCount "44"]
[EventDate "2013.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. Nbd2 0-0 6. b3 Nbd7 7. Bb2 b6 8. 0-0 Bb7 9. Ne5 c5 10. Qe2 Qc7 11. f4 Rac8 12. c3 Ne4 13. Nxe4 dxe4 14. Bb5 Nf6 15. Rac1 Ra8 16. Qf2 a6 17. Be2 Qe7 18. g4 Nd5 19. Nc4 Bc7 20. dxc5 bxc5 21. Kh1 Nxf4 22. Rfd1 Rad8 1/2-1/2

[Event "Goch op 24th"]
[Site "Goch"]
[Date "2013.09.07"]
[Round "5"]
[White "Der, Josef"]
[Black "Theysen, Jens"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1756"]
[PlyCount "89"]
[EventDate "2013.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nc6 3. e3 Nf6 4. Bb5 e6 5. 0-0 Bd6 6. c4 Bd7 7. Nc3 dxc4 8. Bxc4 Ne7 9. d4 c6 10. e4 Bc7 11. e5 Nfd5 12. Qb3 Bb6 13. Ne4 Nf5 14. g4 Bxd4+ 15. Nxd4 Nxd4 16. Nd6+ Kf8 17. Qxb7 g6 18. Bxd5 cxd5 19. Rf2 Kg7 20. Be3 Nc6 21. Rc1 Rb8 22. Qa6 Qa5 23. Qxa5 Nxa5 24. Rc7 Rhd8 25. f5 Rb4 26. h3 Nc4 27. Bg5 Nxd6 28. exd6 Rbb8 29. Bxd8 Rxd8 30. fxg6 hxg6 31. g5 e5 32. Rxa7 Be6 33. Ra6 Bxh3 34. b4 d4 35. Rc6 e4 36. Kh2 Rh8 37. Kg3 d3 38. Kf4 Bd7 39. Rc7 Rh4+ 40. Ke3 Bf5 41. d7 Rh8 42. Rxf5 gxf5 43. Rc8 Kh7 44. Rxh8+ Kxh8 45. d8Q+ 1-0

[Event "Goch op 24th"]
[Site "Goch"]
[Date "2013.09.07"]
[Round "4"]
[White "Valembois, Pierre"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1268"]
[BlackElo "1756"]
[PlyCount "73"]
[EventDate "2013.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. d4 e6 3. a3 Nc6 4. Nf3 cxd4 5. c3 e5 6. Bc4 h6 7. Qb3 Qf6 8. Nbd2 Na5 9. Qb5 Nc6 10. cxd4 a6 11. Qd5 d6 12. dxe5 Nxe5 13. Nxe5 dxe5 14. Nf3 Bd6 15. 0-0 Ne7 16. Qa5 0-0 17. Be3 Bg4 18. Rfc1 Nc6 19. Qd5 Rad8 20. Bxa6 Bxa3 21. Qa2 bxa6 22. Qxa3 Qg6 23. Nxe5 Nxe5 24. Kf1 Rd3 25. Qe7 Qxe4 26. Bc5 Qe2+ 27. Kg1 Rfd8 28. Bd6 R3xd6 29. h3 Nf3+ 30. gxf3 Qxe7 31. hxg4 Qh4 32. Kg2 Rd2 33. Rf1 Rxb2 34. Ra5 Rdd2 35. Rh5 Rxf2+ 36. Kg1 Qg3+ 37. Kh1 0-1

[Event "Goch op 24th"]
[Site "Goch"]
[Date "2013.09.06"]
[Round "2"]
[White "Bondarchuk, Vadim"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2018"]
[BlackElo "1756"]
[PlyCount "61"]
[EventDate "2013.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. a4 a6 7. N5a3 Nf6 8. Nc3 Be7 9. Bc4 0-0 10. 0-0 Bg4 11. f3 Bh5 12. Be3 Qc7 13. h4 h6 14. g4 Bg6 15. g5 hxg5 16. hxg5 Nh7 17. Nd5 Qd7 18. Qd2 Bd8 19. Kg2 Ne7 20. Nc3 Ba5 21. Rh1 Rac8 22. Bb3 Bb4 23. Nc4 Qc6 24. Qf2 Bxc3 25. bxc3 b5 26. axb5 axb5 27. Nb6 Rc7 28. Rh2 Qxc3 29. Rah1 d5 30. Rxh7 f6 31. Nxd5 1-0

[Event "Goch op 24th"]
[Site "Goch"]
[Date "2013.09.06"]
[Round "3"]
[White "Der, Josef"]
[Black "Kozakowski, Jerzy"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1756"]
[BlackElo "1328"]
[PlyCount "68"]
[EventDate "2013.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. f4 e6 2. Nf3 f5 3. e3 Nf6 4. b3 d5 5. Bb2 Bd6 6. d3 0-0 7. Nbd2 c5 8. g3 Nc6 9. Bg2 Ng4 10. Qe2 Nb4 11. Nf1 Bd7 12. h3 Nf6 13. a3 Nc6 14. N1d2 Qc7 15. 0-0 Rfe8 16. c4 e5 17. Qf2 e4 18. cxd5 exf3 19. dxc6 fxg2 20. Rfe1 Bxc6 21. Nc4 b5 22. Nxd6 Qxd6 23. Rad1 Qe6 24. Qc2 c4 25. bxc4 bxc4 26. Bd4 cxd3 27. Qxd3 Be4 28. Qe2 Nd5 29. Qb2 Qg6 30. Kh2 Rac8 31. Rd2 Re7 32. Qb3 Qa6 33. Be5 Qf1 34. Qd1 g1Q# 0-1

[Event "Goch op 24th"]
[Site "Goch"]
[Date "2013.09.05"]
[Round "1"]
[White "Der, Josef"]
[Black "Ydo, Pim"]
[Result "0-1"]
[ECO "D70"]
[WhiteElo "1756"]
[BlackElo "2097"]
[PlyCount "86"]
[EventDate "2013.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. e3 g6 5. b3 Bg7 6. Be2 0-0 7. 0-0 Ne4 8. Bb2 Be6 9. Nc3 Nxc3 10. Bxc3 h6 11. Rc1 Nd7 12. c5 Qc7 13. b4 a6 14. a4 Bg4 15. h3 Bf5 16. Bd3 Bxd3 17. Qxd3 Rfc8 18. Rfe1 Nf6 19. Ne5 Ne4 20. Ba1 Rd8 21. Qe2 Rdc8 22. Qf3 Bxe5 23. dxe5 Nd2 24. Qf4 Nb3 25. Rcd1 Nxa1 26. Rxa1 Kg7 27. Qd4 e6 28. f4 Qe7 29. Kh2 h5 30. Qd2 Qh4 31. g3 Qe7 32. Qf2 a5 33. Qb2 axb4 34. Qxb4 b5 35. axb5 Rxa1 36. Rxa1 cxb5 37. Qxb5 Rxc5 38. Qd3 Qc7 39. h4 Rc4 40. Kh3 Qc6 41. Ra2 Rc1 42. Ra6 Rh1+ 43. Kg2 Qc1 0-1

[Event "Goch op 23rd"]
[Site "Goch"]
[Date "2012.09.02"]
[Round "6"]
[White "Der, Josef"]
[Black "Rudi, Erwin"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1786"]
[BlackElo "1385"]
[PlyCount "13"]
[EventDate "2012.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. d4 b6 5. 0-0 Be7 6. Ne5 Nbd7 7. Nc6 1-0

[Event "Goch op 23rd"]
[Site "Goch"]
[Date "2012.09.02"]
[Round "7"]
[White "Schmerwitz, Reinhard"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1885"]
[BlackElo "1786"]
[PlyCount "71"]
[EventDate "2012.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N5c3 f5 7. Be2 Nf6 8. exf5 Bxf5 9. 0-0 Be7 10. Bg5 0-0 11. Na3 a6 12. Nc4 Nd4 13. Ne3 Nxe2+ 14. Qxe2 Be6 15. Rfd1 Qc7 16. Bxf6 gxf6 17. Ncd5 Qd8 18. Qd3 Kh8 19. Nxe7 Qxe7 20. Qxd6 Qf7 21. Qb4 f5 22. f4 a5 23. Qc3 Qg7 24. Qxe5 Qxe5 25. fxe5 f4 26. Nd5 Rac8 27. c3 Rc5 28. Nf6 Rxe5 29. Nd7 Bxd7 30. Rxd7 b5 31. Rad1 Rg8 32. R1d2 h5 33. R7d5 Rgg5 34. Rxe5 Rxe5 35. Kf2 Kg7 36. Kf3 1-0

[Event "Goch op 23rd"]
[Site "Goch"]
[Date "2012.09.01"]
[Round "4"]
[White "Der, Josef"]
[Black "Osbild, Reiner"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1786"]
[BlackElo "1998"]
[PlyCount "70"]
[EventDate "2012.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. d4 g6 4. Bg2 Bg7 5. 0-0 0-0 6. b3 Ne4 7. c4 e6 8. Bb2 a5 9. Nbd2 c5 10. Qc2 Nxd2 11. Qxd2 dxc4 12. bxc4 Nc6 13. e3 a4 14. a3 e5 15. d5 Na5 16. Qc3 f6 17. Rad1 Rb8 18. Rfe1 b5 19. cxb5 Rxb5 20. Bf1 Rb3 21. Qc1 Bg4 22. Be2 Qb6 23. Bc3 Bxf3 24. Bxf3 Nc4 25. d6 Nxd6 26. Bd5+ Nf7 27. Bxb3 axb3 28. Qb2 Ng5 29. Qe2 e4 30. Qc4+ Kh8 31. Kg2 Rb8 32. Re2 f5 33. Bxg7+ Kxg7 34. Rb2 Qe6 35. h4 Qxc4 0-1

[Event "Goch op 23rd"]
[Site "Goch"]
[Date "2012.09.01"]
[Round "5"]
[White "Verfuerth, Kevin"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1276"]
[BlackElo "1786"]
[PlyCount "121"]
[EventDate "2012.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. e4 g6 4. g3 Bg7 5. Bg2 e5 6. Nge2 Nge7 7. 0-0 d6 8. h3 Be6 9. d3 Qd7 10. Kh2 0-0 11. f4 f5 12. b3 Rad8 13. Bb2 fxe4 14. Nxe4 exf4 15. Bxg7 fxg3+ 16. N2xg3 Kxg7 17. Qd2 Nd4 18. Qb2 Nef5 19. Qd2 b6 20. Qg5 Kh8 21. Rf4 Nc2 22. Raf1 Nce3 23. R1f2 Nxg2 24. Rxg2 Nd4 25. Rgf2 Rxf4 26. Rxf4 Bf5 27. Nxf5 Nxf5 28. Qf6+ Kg8 29. Qg5 a6 30. Ng3 Nxg3 31. Kxg3 Re8 32. Rf3 Re5 33. Qf6 Qg7 34. Qxd6 Rh5 35. Qf4 Qe7 36. Qf6 Qe1+ 37. Kg2 Qd2+ 38. Kh1 Qe1+ 39. Kh2 Qe5+ 40. Qxe5 Rxe5 41. Kg3 h5 42. Kf2 Rf5 43. Kg3 Kg7 44. Re3 a5 45. Re7+ Rf7 46. Re5 Kf6 47. Rd5 Re7 48. Kf3 Re6 49. Rd7 g5 50. Rh7 Kg6 51. Rh8 Rd6 52. Ke3 g4 53. hxg4 hxg4 54. Rg8+ Kh5 55. Kf4 Rxd3 56. Rh8+ Kg6 57. Kxg4 a4 58. bxa4 Rd4+ 59. Kf3 Rxc4 60. Rb8 Rxa4 61. Rxb6+ 1/2-1/2

[Event "Goch op 23rd"]
[Site "Goch"]
[Date "2012.08.31"]
[Round "2"]
[White "Der, Josef"]
[Black "Unkrig, Frank"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1786"]
[BlackElo "1222"]
[PlyCount "80"]
[EventDate "2012.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nc6 4. Bb5 Bd7 5. 0-0 Nf6 6. b3 e6 7. Bb2 Be7 8. d3 0-0 9. Nbd2 a6 10. Bxc6 Bxc6 11. Ne5 Qc7 12. c4 Nd7 13. Qg4 Bf6 14. Ndf3 dxc4 15. dxc4 Bxf3 16. Rxf3 Bxe5 17. fxe5 Nxe5 18. Bxe5 Qxe5 19. Raf1 Rad8 20. h4 Rd2 21. h5 Rxa2 22. Qh4 f6 23. Rg3 Rb2 24. h6 g5 25. e4 Rxb3 26. Rg4 Re3 27. Rd1 Qc7 28. Rxg5+ fxg5 29. Qxg5+ Kh8 30. Qxe3 Qf4 31. Qxc5 Qxh6 32. Qe5+ Qf6 33. Qc5 Kg8 34. Qe3 Qf4 35. Qd4 h5 36. Rb1 Rf7 37. Qd8+ Kh7 38. Qd4 h4 39. Rb3 Rg7 40. Rf3 Qxf3 0-1

[Event "Goch op 23rd"]
[Site "Goch"]
[Date "2012.08.31"]
[Round "3"]
[White "Schneider, Hanspeter"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "1365"]
[BlackElo "1786"]
[PlyCount "80"]
[EventDate "2012.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Bg5 Be7 7. Nc3 d6 8. Be2 0-0 9. 0-0 a6 10. Bxf6 Bxf6 11. a3 Re8 12. Qd3 Be6 13. Nd5 Bxd5 14. Qxd5 Re7 15. c3 Rc8 16. Rad1 Qb6 17. Rd2 Rd8 18. Rc2 Rc7 19. Nd2 Nd4 20. cxd4 Rxc2 21. Nc4 Rxc4 22. Bxc4 Qxb2 23. Qxf7+ Kh8 24. dxe5 dxe5 25. Bd5 b5 26. f4 exf4 27. Qc7 Qd4+ 28. Kh1 Qe5 29. Qb7 Qd6 30. Rf3 Qe5 31. h3 Bh4 32. Qb6 Be7 33. Qa7 Bd6 34. Qxa6 Rb8 35. Bc6 Qa1+ 36. Kh2 Bc5 37. h4 Qg1+ 38. Kh3 Qh1+ 39. Kg4 Qxg2+ 40. Kxf4 Rf8+ 0-1

[Event "Goch op 23rd"]
[Site "Goch"]
[Date "2012.08.30"]
[Round "1"]
[White "Schulte Lentz, Christian"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2136"]
[BlackElo "1786"]
[PlyCount "41"]
[EventDate "2012.08.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 a6 7. N5c3 Be6 8. Be3 Nf6 9. Be2 Be7 10. Nd2 0-0 11. 0-0 Rc8 12. Rc1 Nd7 13. Nd5 Bg5 14. Nf3 Bxe3 15. Nxe3 Nc5 16. Bd3 Nb4 17. Bb1 h6 18. a3 Nc6 19. b4 Nd4 20. bxc5 Rxc5 21. Nxd4 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2012.07.22"]
[Round "9"]
[White "Rieger, Mario"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1691"]
[BlackElo "1491"]
[PlyCount "63"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Be7 6. e3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. Rc1 Nbd7 10. 0-0 0-0 11. Re1 h6 12. Bh4 Nd5 13. Bxe7 Qxe7 14. Nxd5 exd5 15. e4 dxe4 16. Bxe4 Qf6 17. Ne5 Nxe5 18. dxe5 Qe6 19. b3 Rac8 20. Qf3 Rc7 21. Rc5 g6 22. Rec1 Rfc8 23. h3 Kg7 24. Rd1 Rd7 25. Qf6+ Kh7 26. Bxg6+ Kg8 27. Rxd7 Qxd7 28. Bf5 Qd1+ 29. Kh2 Rd8 30. Qxh6 Rd7 31. Bh7+ Kh8 32. Bc2+ 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2012.07.21"]
[Round "8"]
[White "Der, Josef"]
[Black "Fahle, Karl Wilhelm"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1491"]
[BlackElo "1256"]
[PlyCount "107"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Bd3 e5 7. d5 a5 8. h3 Na6 9. Be3 Nh5 10. Ne2 f5 11. Bg5 Qe8 12. Bd2 Nc5 13. Bc2 fxe4 14. Ng5 Nf4 15. 0-0 Nfd3 16. Nxe4 Nxb2 17. Qc1 Nxe4 18. Bxe4 Na4 19. Rb1 Nc5 20. Bc2 b6 21. Bh6 Ba6 22. Bxg7 Kxg7 23. Bb3 Nd3 24. Qc3 Nb4 25. f4 Nxd5 26. cxd5 Bxe2 27. Rfe1 Rxf4 28. Rxe2 Qf7 29. Rc1 Kh6 30. Rec2 Rf8 31. Qe3 g5 32. Rxc7 Rf1+ 33. Rxf1 Qxf1+ 34. Kh2 Qf4+ 35. Qxf4 Rxf4 36. Bc2 e4 37. Re7 g4 38. Kg3 gxh3 39. gxh3 Kg5 40. Bxe4 h5 41. Rg7+ Kf6 42. Kxf4 Kxg7 43. a4 Kf6 44. h4 b5 45. axb5 Ke7 46. Bc2 Kd8 47. Kf5 Kc7 48. Ke6 Kb6 49. Kxd6 Kb7 50. Kd7 Kb8 51. d6 Kb7 52. Ke8 Kc8 53. d7+ Kb7 54. d8Q 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2012.07.20"]
[Round "7"]
[White "Nadrowski, Joseph"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1641"]
[BlackElo "1491"]
[PlyCount "105"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nc3 Nc6 2. Nf3 Nf6 3. e4 e5 4. Bc4 Bc5 5. 0-0 0-0 6. d3 h6 7. a3 a6 8. Be3 Bxe3 9. fxe3 d6 10. Qe1 Be6 11. Nd2 Ne7 12. b4 c6 13. Bb3 Qc7 14. h3 Rad8 15. Rc1 Qc8 16. Ne2 Bxh3 17. Rxf6 gxf6 18. gxh3 Qxh3 19. Qg3+ Qxg3+ 20. Nxg3 d5 21. Kf2 Kh7 22. Rg1 Rg8 23. exd5 cxd5 24. Nf3 Rg7 25. e4 d4 26. Nh5 Rxg1 27. Kxg1 Kg6 28. Ng3 Rf8 29. Kh2 b6 30. Kh3 h5 31. a4 Nc6 32. b5 axb5 33. axb5 Ne7 34. Nh4+ Kg5 35. Nhf5 Ng6 36. Nd6 Nf4+ 37. Kh2 Kg6 38. Ngf5 Ne6 39. Kg3 Ng5 40. Ne7+ Kh7 41. Kh4 Rd8 42. Ndf5 Rd7 43. Kxh5 Ne6 44. Nd5 Nf4+ 45. Nxf4 exf4 46. Kg4 Kg6 47. Kxf4 Kh5 48. Ng3+ Kg6 49. Ne2 Rd8 50. Bd5 Rh8 51. Nxd4 Rh4+ 52. Ke3 Rh3+ 53. Kd2 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2012.07.19"]
[Round "6"]
[White "Der, Josef"]
[Black "Schwerdtfeger, Lukas"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "1491"]
[BlackElo "1179"]
[PlyCount "113"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Be7 5. Bd3 0-0 6. Nf3 b6 7. 0-0 Bb7 8. cxd5 exd5 9. Qc2 h6 10. Re1 Re8 11. Ne5 Nbd7 12. Bb5 Bd6 13. Nxd7 Nxd7 14. Qa4 Re7 15. Bc6 Bxc6 16. Qxc6 Nf6 17. g3 Bb4 18. Re2 Re8 19. Bd2 Bxc3 20. Bxc3 Qd7 21. Qxd7 Nxd7 22. Rc1 a5 23. Rec2 Rac8 24. Bd2 c5 25. f3 a4 26. Kf2 f5 27. b3 axb3 28. axb3 Kf7 29. Ra2 Ra8 30. Rca1 Rxa2 31. Rxa2 Rb8 32. Ra7 Ke6 33. Bc3 c4 34. bxc4 dxc4 35. d5+ Kd6 36. e4 fxe4 37. fxe4 g6 38. Bg7 h5 39. Ke3 b5 40. Kd4 Re8 41. e5+ Nxe5 42. Bxe5+ Rxe5 43. Ra6+ Kd7 44. Kxe5 c3 45. Kd4 b4 46. Kd3 g5 47. Rb6 h4 48. Rxb4 hxg3 49. hxg3 c2 50. Kxc2 g4 51. Kd3 Kd6 52. Kd4 Ke7 53. Ke5 Kd7 54. d6 Kd8 55. Ke6 Kc8 56. Rb5 Kd8 57. Rb8# 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2012.07.18"]
[Round "5"]
[White "Schomann, Michael"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1559"]
[BlackElo "1491"]
[PlyCount "45"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 e6 7. Nf3 Be7 8. Bd3 b6 9. Qc2 Ba6 10. Bxa6 Nxa6 11. Bf4 0-0 12. Rd1 Nc7 13. Ne5 Qe8 14. Qe2 Nb5 15. Qf3 a5 16. 0-0 Rc8 17. Qg3 Kh8 18. Rd3 Qd8 19. Qg4 Bf6 20. Rh3 g6 21. Bh6 Bg7 22. Bg5 Bf6 23. Qh4 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2012.07.17"]
[Round "4"]
[White "Der, Josef"]
[Black "Barth, Hans Joachim"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1491"]
[BlackElo "1658"]
[PlyCount "62"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 Nh6 2. e4 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. Qe2 a6 6. h3 Nc6 7. Nf3 Nf5 8. Ne4 e5 9. c3 Be7 10. b4 Qd5 11. c4 Qe6 12. a3 exf4 13. Bb2 0-0 14. 0-0-0 Rd8 15. d3 b5 16. Nfg5 Qd7 17. Qh5 Nh6 18. c5 Nd4 19. Nf3 Qf5 20. Qxf5 Nhxf5 21. Nxd4 Nxd4 22. Kb1 Bb7 23. Rd2 f5 24. Nc3 Bf6 25. Rg1 Re8 26. Rf2 Re1+ 27. Ka2 a5 28. bxa5 Rxa5 29. Nb1 Bd5+ 30. Ka1 Nb3+ 31. Ka2 Nd2+ 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2012.07.16"]
[Round "3"]
[White "Lueck, Kai"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1873"]
[BlackElo "1491"]
[PlyCount "54"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Ne5 0-0 6. Bd3 c5 7. c3 h6 8. Nd2 b6 9. Qe2 Bb7 10. 0-0 c4 11. Bc2 Nc6 12. Bg3 b5 13. a3 a6 14. f4 Bxe5 15. fxe5 Nh7 16. h4 f6 17. exf6 Nxf6 18. Rf2 Ne7 19. Raf1 Bc8 20. e4 dxe4 21. Nxe4 Ned5 22. Bd6 Rf7 23. Be5 Raa7 24. Nd6 Rf8 25. g4 Nd7 26. Bxg7 Kxg7 27. Qxe6 N7f6 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2012.07.15"]
[Round "2"]
[White "Der, Josef"]
[Black "Seref, Okan"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1491"]
[BlackElo "1714"]
[PlyCount "37"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 c5 4. c4 Nc6 5. b3 g6 6. Bb2 e6 7. cxd5 exd5 8. Bb5 Bg7 9. 0-0 0-0 10. Re1 Bf5 11. Bxc6 bxc6 12. d3 Re8 13. Nbd2 Qb6 14. d4 Ng4 15. Nf1 Re7 16. dxc5 Qxc5 17. Bxg7 Kxg7 18. Qd4+ Qxd4 19. Nxd4 1/2-1/2

[Event "Solingen Karneval op"]
[Site "Solingen"]
[Date "2012.02.19"]
[Round "5"]
[White "Biedekoepper, Robert"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2111"]
[BlackElo "1798"]
[PlyCount "45"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Ndb5 d6 7. e4 e5 8. Nd5 Nxd5 9. cxd5 a6 10. dxc6 axb5 11. cxb7 Bxb7 12. Bxb5+ Ke7 13. Qe2 Rb8 14. a4 g6 15. 0-0 Bg7 16. Rd1 Qc7 17. Bg5+ f6 18. Rac1 Qd8 19. Bd2 Rc8 20. Bc4 Re8 21. Bb4 Rc6 22. Bb5 Rxc1 23. Rxc1 1-0

[Event "Solingen Karneval op"]
[Site "Solingen"]
[Date "2012.02.19"]
[Round "4"]
[White "Der, Josef"]
[Black "Becker, Carsten1111"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1798"]
[BlackElo "1559"]
[PlyCount "109"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. f4 e5 2. d3 exf4 3. Bxf4 g5 4. Bd2 Bd6 5. e4 Nc6 6. Bc3 Nf6 7. Nd2 Qe7 8. g3 Bb4 9. Ne2 Bxc3 10. Nxc3 d6 11. Bg2 Be6 12. 0-0 0-0-0 13. a4 h5 14. Qf3 Nd7 15. Qe3 Nde5 16. h3 Qd7 17. d4 Nc4 18. Nxc4 Bxc4 19. Rf5 Nb4 20. Rc1 d5 21. Rxg5 dxe4 22. d5 Qe7 23. h4 Kb8 24. Qd4 f6 25. Rf5 Bxd5 26. Nxd5 Qe6 27. Bxe4 Nxd5 28. Rxd5 Rxd5 29. Qxd5 Qb6+ 30. Kg2 Qxb2 31. Rd1 a6 32. Qb3 Qxb3 33. cxb3 Re8 34. Rd4 c5 35. Rc4 b5 36. axb5 axb5 37. Rxc5 Rxe4 38. Rxb5+ Kc7 39. Rxh5 Rb4 40. Rf5 Rxb3 41. Rxf6 Kd7 42. Rf4 Ke6 43. g4 Ke5 44. Rf3 Rb4 45. Kg3 Re4 46. h5 Ke6 47. Kh4 Re1 48. h6 Ke7 49. Kg5 Re5+ 50. Kg6 Re6+ 51. Kg7 Re5 52. Rf5 Re4 53. g5 Rg4 54. g6 Ke6 55. Rf2 1-0

[Event "Solingen Karneval op"]
[Site "Solingen"]
[Date "2012.02.18"]
[Round "2"]
[White "Der, Josef"]
[Black "Maj, Kornel"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1798"]
[BlackElo "1441"]
[PlyCount "131"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. c4 Be7 5. Be2 0-0 6. 0-0 c5 7. d4 cxd4 8. exd4 dxc4 9. Bxc4 a6 10. a4 b6 11. Nc3 Bb7 12. Ne5 Nc6 13. Be3 Rc8 14. Ba2 Nb4 15. Bb3 Nbd5 16. Bd2 Ba8 17. Qe1 Bd6 18. Qe2 Bb7 19. Rac1 Nxc3 20. Bxc3 Qe7 21. Bc2 Bb4 22. g4 a5 23. g5 Nd5 24. Bxb4 Nxb4 25. Bb1 Qd6 26. Qe3 Qd5 27. Nf3 Rxc1 28. Qxc1 Rc8 29. Qd1 g6 30. Kf2 Rd8 31. Kg3 Rd7 32. Rf2 Na6 33. Rd2 Nc7 34. Ne5 Rd8 35. Ng4 Ne8 36. Qe2 Kg7 37. h4 Nd6 38. Qe5+ Qxe5 39. Nxe5 Be4 40. Ba2 Nf5+ 41. Kf2 Nxh4 42. Ke3 Bd5 43. b3 Ng2+ 44. Kf2 Nxf4 45. Kg3 Nh5+ 46. Kg4 f6 47. gxf6+ Nxf6+ 48. Kh3 Ne4 49. Rc2 Kf6 50. Rc7 Ng5+ 51. Kg4 Bxb3 52. Nd7+ Rxd7 53. Rxd7 Bxa2 54. Rb7 h5+ 55. Kf4 h4 56. Rxb6 h3 57. Rb2 Bd5 58. Kg3 Bg2 59. Rf2+ Nf3 60. Ra2 Nxd4 61. Rf2+ Nf3 62. Ra2 Ke5 63. Rc2 Kd4 64. Rc6 e5 65. Rxg6 Ke3 66. Ra6 0-1

[Event "Solingen Karneval op"]
[Site "Solingen"]
[Date "2012.02.18"]
[Round "3"]
[White "Seeger, Simon"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1371"]
[BlackElo "1798"]
[PlyCount "68"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 a5 7. Ne5 Bd6 8. Nxc6 bxc6 9. dxc5 Bxc5 10. cxd5 exd5 11. Bd3 0-0 12. 0-0 Bd6 13. Qc2 Bb7 14. Ne2 c5 15. Bf5 Qc7 16. Ng3 g6 17. Bd3 Qc6 18. f3 Bxg3 19. hxg3 Rfc8 20. Bd2 Qd6 21. Be1 Qb6 22. Bf2 Qc6 23. Rac1 c4 24. Be2 Qd6 25. Rfd1 Qe6 26. Rd4 Ra6 27. Qd2 Nd7 28. b3 Nc5 29. Bxc4 dxc4 30. Rdxc4 Rac6 31. Qb2 Nd3 32. Qd2 Nxc1 33. Qxc1 Rxc4 34. bxc4 Qxc4 0-1

[Event "Solingen Karneval op"]
[Site "Solingen"]
[Date "2012.02.17"]
[Round "1"]
[White "Koenig, Falk"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2147"]
[BlackElo "1798"]
[PlyCount "43"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 e5 3. Nf3 Nc6 4. Bc4 h6 5. 0-0 Nf6 6. Re1 Be7 7. d4 cxd4 8. cxd4 exd4 9. e5 Nh7 10. Nxd4 0-0 11. Nf5 Ng5 12. Qh5 d5 13. exd6 Bxf5 14. dxe7 Nxe7 15. Bxg5 hxg5 16. Qxg5 Be6 17. Bxe6 fxe6 18. Nc3 Rf5 19. Qe3 Rf6 20. Rad1 Qe8 21. Ne4 Rh6 22. Qxh6 1-0

[Event "Goch op 22nd"]
[Site "Goch"]
[Date "2011.10.02"]
[Round "7"]
[White "Der, Josef"]
[Black "Vonhoff, Joerg"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1810"]
[BlackElo "1719"]
[PlyCount "82"]
[EventDate "2011.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 0-0 9. Be2 Bg4 10. 0-0 Bxf3 11. Bxf3 cxd4 12. cxd4 Nc6 13. e5 Qd7 14. Rc1 Rac8 15. Bxc6 Rxc6 16. Qa4 a6 17. f4 Rfc8 18. Rxc6 Rxc6 19. Rd1 b5 20. Qb3 Qc7 21. Rd3 Rc4 22. d5 Bf8 23. h3 h5 24. Kh2 Bh6 25. Kg3 Qd7 26. Rd4 Rc7 27. e6 fxe6 28. dxe6 Qc8 29. Rd7 Rc3 30. Rd8+ Qxd8 31. Qxc3 Qd6 32. Qc8+ Kg7 33. Bc1 Kh7 34. Qd7 Qc5 35. Qd2 Qc4 36. Qe3 Qxa2 37. Ba3 Bf8 38. Bc5 Qd5 39. Ba3 a5 40. Kf2 Bg7 41. g4 Bd4 0-1

[Event "Goch op 22nd"]
[Site "Goch"]
[Date "2011.10.02"]
[Round "6"]
[White "Roomer, Paul"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1906"]
[BlackElo "1810"]
[PlyCount "90"]
[EventDate "2011.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 g6 5. Nc3 Bg7 6. d3 0-0 7. 0-0 Re8 8. a3 a6 9. Qc2 e6 10. b3 b6 11. Bb2 Bb7 12. e4 e5 13. Ne2 d6 14. Bc3 Rc8 15. b4 cxb4 16. axb4 b5 17. Nh4 bxc4 18. dxc4 Qb6 19. Rab1 Qa7 20. Qd3 Rcd8 21. b5 axb5 22. cxb5 Ne7 23. Ra1 Qb8 24. Ba5 Rc8 25. f3 g5 26. Nf5 Nxf5 27. exf5 e4 28. Qb3 Bd5 29. Qa3 exf3 30. Bxf3 Bxf3 31. Qxf3 Rc2 32. Nd4 g4 33. Qd3 Rcc8 34. Nc6 Qb7 35. Bc3 Qd7 36. Rae1 Ra8 37. Ra1 Rac8 38. Ra7 Rc7 39. Rfa1 Ne4 40. Bxg7 Kxg7 41. Qd4+ Nf6 42. Rxc7 Qxc7 43. Ra7 Qc8 44. Qc4 d5 45. Qf4 h6 1/2-1/2

[Event "Goch op 22nd"]
[Site "Goch"]
[Date "2011.10.01"]
[Round "5"]
[White "Der, Josef"]
[Black "Moeller, Christian"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1810"]
[BlackElo "1950"]
[PlyCount "39"]
[EventDate "2011.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Bd3 Nbd7 7. 0-0 e5 8. d5 Nc5 9. Bc2 a5 10. h3 Nh5 11. Be3 Na6 12. a3 Nf4 13. Kh2 f5 14. Ng1 g5 15. exf5 Bxf5 16. Bxf5 Rxf5 17. Qg4 Rf8 18. g3 Nd3 19. Ne4 h6 20. Qe2 1/2-1/2

[Event "Goch op 22nd"]
[Site "Goch"]
[Date "2011.10.01"]
[Round "4"]
[White "Vadljan, Marcus Franz"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1179"]
[BlackElo "1810"]
[PlyCount "68"]
[EventDate "2011.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. cxd5 exd5 6. e3 Bd6 7. Bd3 b6 8. Qc2 Na6 9. a3 h6 10. e4 dxe4 11. Nxe4 Nb8 12. Nxd6+ Qxd6 13. 0-0 0-0 14. Re1 Bg4 15. Ne5 Qxd4 16. Qc4 Qxc4 17. Bxc4 Bh5 18. Be3 Nfd7 19. Nd3 Bg6 20. Nf4 Bh7 21. Rad1 Ne5 22. Ba2 Re8 23. Bd4 Nbd7 24. Bxe5 Nxe5 25. Ne6 fxe6 26. Rxe5 Kf8 27. Kf1 Bf5 28. Rde1 Bd3+ 29. Kg1 Rad8 30. f3 c5 31. Bxe6 c4 32. Rc1 b5 33. Ree1 Re7 34. b4 Rde8 0-1

[Event "Goch op 22nd"]
[Site "Goch"]
[Date "2011.09.30"]
[Round "2"]
[White "Bajonczak, Helmut"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1503"]
[BlackElo "1810"]
[PlyCount "89"]
[EventDate "2011.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. c3 c5 7. Bf4 Nc6 8. Qc2 Re8 9. Ne5 e6 10. Nxc6 bxc6 11. e4 Ba6 12. Re1 e5 13. Bg5 Qd6 14. Bxf6 Bxf6 15. Nd2 d4 16. c4 Bc8 17. Qd1 Rb8 18. b3 Kg7 19. Rf1 Bg5 20. Nf3 Bg4 21. h3 Bxf3 22. Qxf3 Bd2 23. Qe2 Bc3 24. Rab1 Rb7 25. Bf3 Reb8 26. Kg2 a5 27. Qc2 Rb6 28. Bd1 a4 29. Qe2 a3 30. Rh1 Rf8 31. Bc2 f5 32. Rbf1 f4 33. Kh2 f3 34. Qd1 Qf6 35. Kg1 Qg5 36. Kh2 h5 37. h4 Qe7 38. Kg1 Rf7 39. Rh2 Rb8 40. Kh1 Rbf8 41. Rg1 Qe6 42. Qf1 Qg4 43. Qh3 Bb2 44. Bd1 Rh8 45. Qf1 1/2-1/2

[Event "Goch op 22nd"]
[Site "Goch"]
[Date "2011.09.30"]
[Round "3"]
[White "Der, Josef"]
[Black "Asselborn, Alexander"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1810"]
[BlackElo "1557"]
[PlyCount "96"]
[EventDate "2011.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 h6 8. h3 Na6 9. Be3 Nh5 10. Qd2 Kh7 11. 0-0 Qf6 12. Nh2 Nf4 13. Bg4 h5 14. Bxf4 exf4 15. Bxc8 Raxc8 16. Rab1 Rfe8 17. Rfe1 Nc5 18. Kh1 Re7 19. f3 Rce8 20. Re2 Qh4 21. Nf1 f5 22. exf5 gxf5 23. Rbe1 Be5 24. Nb5 Qg5 25. g3 Rg7 26. Rg2 Reg8 27. Ree2 a6 28. Nc3 fxg3 29. Qc2 Kh8 30. b4 Qh4 31. bxc5 Qxh3+ 32. Kg1 Bd4+ 33. Ne3 f4 34. Ncd1 Bxc5 35. Qe4 fxe3 36. Nxe3 h4 37. Qf4 Rg6 38. Kf1 b6 39. Ke1 Bxe3 40. Qxe3 Qf5 41. Qe7 Qb1+ 42. Kd2 Qxa2+ 43. Kd1 Qxc4 44. Qf7 R8g7 45. Qf5 Qd4+ 46. Kc2 Qf6 47. Qh5+ Rh6 48. Qe8+ Kh7 0-1

[Event "Goch op 22nd"]
[Site "Goch"]
[Date "2011.09.29"]
[Round "1"]
[White "Der, Josef"]
[Black "Ydo, Pim"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1810"]
[BlackElo "2124"]
[PlyCount "38"]
[EventDate "2011.09.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 e6 5. Nc3 Nbd7 6. Bd3 Be7 7. 0-0 b6 8. b3 Bb7 9. cxd5 cxd5 10. Bb2 0-0 11. Rc1 Rc8 12. Re1 Bb4 13. a3 Bd6 14. h3 a6 15. Qe2 b5 16. b4 Qe7 17. e4 Rxc3 18. e5 Rxc1 19. exd6 Rxe1+ 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.31"]
[Round "9"]
[White "Der, Josef"]
[Black "Buettner, Sarah"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1810"]
[BlackElo "1252"]
[PlyCount "66"]
[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. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Bb4 6. cxd5 cxd5 7. Bb5+ Bd7 8. Bd3 Qa5 9. Bd2 0-0 10. 0-0 Re8 11. a3 Bxc3 12. Bxc3 Qb6 13. Ne5 Bb5 14. Re1 Bxd3 15. Qxd3 Nbd7 16. Nxd7 Nxd7 17. e4 Nf6 18. e5 Ne4 19. Re3 Nxc3 20. bxc3 Qd8 21. Rh3 h6 22. Qg3 Qg5 23. Qd3 Qf5 24. Qb5 b6 25. a4 Qc2 26. Rf3 Red8 27. h3 Rac8 28. Qb4 Rd7 29. a5 Rdc7 30. axb6 axb6 31. Ra3 Rc4 32. Qb5 Qc1+ 33. Kh2 Qxa3 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.30"]
[Round "8"]
[White "Rameker, Robert"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "D60"]
[WhiteElo "1351"]
[BlackElo "1810"]
[PlyCount "59"]
[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. c4 c6 3. Nc3 Nf6 4. Bg5 e6 5. e3 Be7 6. Nf3 Nbd7 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. 0-0 0-0 11. Bxf6 Bxf6 12. Qe2 a6 13. Rac1 Rc8 14. Ne4 Be7 15. Nfd2 f5 16. Nc5 Nxc5 17. dxc5 Qd5 18. Nb3 e5 19. e4 fxe4 20. Qxe4 Qxe4 21. Bxe4 Rf5 22. Rfe1 Rcf8 23. f3 Bd8 24. Rcd1 R5f7 25. Rd6 Bc7 26. Re6 a5 27. Bxc6 Bc8 28. Re8 a4 29. Rxf8+ Kxf8 30. Nc1 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.29"]
[Round "7"]
[White "Der, Josef"]
[Black "Wastian, Jan"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1810"]
[BlackElo "1610"]
[PlyCount "74"]
[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. c4 c6 3. cxd5 cxd5 4. g3 Nf6 5. Nf3 Bf5 6. Nc3 e6 7. Bg2 Nc6 8. a3 h6 9. h4 Be7 10. 0-0 0-0 11. Bd2 Rc8 12. Rc1 Ne4 13. Be1 a6 14. Nh2 Qb6 15. Nxe4 Bxe4 16. Bc3 Bxg2 17. Kxg2 Na5 18. e3 Nc4 19. Qe2 Rc7 20. Rc2 Rfc8 21. Rfc1 Qb3 22. Qe1 Nxa3 23. Re2 Nb5 24. Nf3 Nxc3 25. bxc3 b5 26. Nd2 Qa3 27. Nb1 Qa5 28. Rcc2 Qb6 29. Rb2 a5 30. e4 dxe4 31. Rxe4 Qb7 32. f3 b4 33. Re5 Qa7 34. Ra2 bxc3 35. Qc1 Qxd4 36. Rexa5 c2 37. Nd2 Qxd2+ 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.28"]
[Round "6"]
[White "Skapski, Miroslav"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1545"]
[BlackElo "1810"]
[PlyCount "48"]
[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. c4 c6 3. cxd5 cxd5 4. Nf3 Nf6 5. e3 e6 6. Bd3 h6 7. 0-0 Bd6 8. Nc3 Nc6 9. Bd2 0-0 10. Rc1 a6 11. a3 Bd7 12. Re1 Re8 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 f5 16. Bb1 Rc8 17. Ba2 Kh8 18. Bc3 Na5 19. d5 Bf4 20. Ne5 Bxe5 21. Bxe5 exd5 22. Rxc8 Bxc8 23. Bxd5 Nc6 24. Bc3 Rxe1+ 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.27"]
[Round "5"]
[White "Schicktanz, Florian"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1577"]
[BlackElo "1810"]
[PlyCount "79"]
[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 g6 2. d4 Bg7 3. e4 b6 4. c4 Bb7 5. Nc3 e6 6. Bf4 a6 7. Be2 Ne7 8. d5 exd5 9. cxd5 d6 10. 0-0 Nd7 11. Rc1 Rc8 12. Re1 0-0 13. Bc4 Nf6 14. h3 Nh5 15. Be3 f5 16. Ng5 Qd7 17. Ne6 Bxc3 18. Nxf8 Rxf8 19. Rxc3 fxe4 20. Bh6 Rf7 21. Be3 Nf6 22. Qc2 Nexd5 23. Rc1 c6 24. Bg5 Kg7 25. Bxf6+ Kxf6 26. Bxd5 cxd5 27. Rc7 Qxc7 28. Qxc7 Rxc7 29. Rxc7 Ba8 30. Ra7 Bc6 31. Rxa6 Ke5 32. Rxb6 Bd7 33. Kf1 d4 34. Ke1 Be6 35. a4 Kd5 36. a5 Kc5 37. Rb8 Ba2 38. a6 Bd5 39. a7 e3 40. fxe3 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.26"]
[Round "4"]
[White "Der, Josef"]
[Black "Doerr, Michael"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1810"]
[BlackElo "1556"]
[PlyCount "75"]
[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. c4 c6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 e6 7. g3 Be7 8. Bg2 0-0 9. Ne2 Nd7 10. f4 f5 11. e5 Nb6 12. 0-0 Rb8 13. Kh1 c5 14. Be3 c4 15. Qd2 Nd5 16. Bf2 b6 17. Ng1 Bb7 18. h4 h5 19. Be1 g6 20. Nf3 Qd7 21. Kh2 Bc6 22. a3 a5 23. Bh3 b5 24. Rg1 Kh8 25. Bg2 b4 26. axb4 axb4 27. cxb4 Bxb4 28. Qf2 Bc3 29. Rc1 Bxe1 30. Nxe1 Bb5 31. Bf1 Rfc8 32. Bg2 Ba4 33. Bxd5 Qxd5 34. Nf3 c3 35. Qe3 Rb2+ 36. Kh3 Rb3 37. Nd2 Rb4 38. Rxc3 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.25"]
[Round "3"]
[White "Der, Josef"]
[Black "Stahl, Matthias"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1810"]
[BlackElo "1917"]
[PlyCount "37"]
[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. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. g3 Nc6 6. Bg2 e6 7. Bg5 Be7 8. e3 0-0 9. Nge2 b6 10. Rc1 Bb7 11. a3 Rc8 12. 0-0 h6 13. Bxf6 Bxf6 14. f4 Ba6 15. Qa4 Bxe2 16. Nxe2 Na5 17. Rxc8 Qxc8 18. Rc1 Qa6 19. Bf1 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.24"]
[Round "2"]
[White "Schweda, Sven"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "962"]
[BlackElo "1810"]
[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 c5 2. Nf3 Nc6 3. Bc4 e6 4. 0-0 g6 5. d4 cxd4 6. Nxd4 a6 7. Nxc6 bxc6 8. Qd4 f6 9. Nc3 Bg7 10. Qd6 Bf8 11. Qd3 Ne7 12. Be3 Bg7 13. Rfd1 0-0 14. Bc5 Qe8 15. Rab1 Kh8 16. Na4 d5 17. exd5 exd5 18. Bb3 Bb7 19. Nb6 Rd8 20. c4 Qf7 21. Bxe7 Qxe7 22. cxd5 Qd6 23. Na4 cxd5 24. Nc3 d4 25. Ne2 f5 26. Rbc1 Be4 27. Qg3 f4 28. Qg4 h5 29. Qh3 Bf5 30. Qf3 Bg4 31. Qd3 Bxe2 32. Qxe2 Qf6 33. Qd3 Rd6 34. f3 Qg5 35. Bc4 a5 36. Bb3 h4 37. h3 Re8 38. Re1 Re3 39. Rxe3 fxe3 40. Re1 Be5 41. Bc2 Qg3 42. Rb1 Qh2+ 43. Kf1 Qh1+ 44. Ke2 Qxg2+ 45. Ke1 Bg3+ 46. Kd1 Qxf3+ 47. Qe2 Qh1+ 48. Qe1 Qxe1# 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2011.07.23"]
[Round "1"]
[White "Der, Josef"]
[Black "Urlacher, Tim"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1810"]
[BlackElo "1743"]
[PlyCount "46"]
[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. f4 d5 2. Nf3 d4 3. d3 c5 4. b3 Nc6 5. Bb2 Nf6 6. g3 Nd5 7. Qd2 Ne3 8. c3 Bg4 9. h4 Bxf3 10. exf3 e5 11. Na3 exf4 12. gxf4 Bd6 13. Qh2 Qc7 14. Nb5 Qb8 15. Nxd6+ Qxd6 16. Kd2 0-0-0 17. Bh3+ Kc7 18. cxd4 Nxd4 19. Bxd4 Qxd4 20. f5+ Kb6 21. Rae1 Qxd3+ 22. Kc1 Qc3+ 23. Kb1 Rd2 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2010.07.25"]
[Round "9"]
[White "Der, Josef"]
[Black "Beyer, Thomas"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1810"]
[BlackElo "1801"]
[PlyCount "111"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 Be7 6. Bd3 c6 7. Nge2 0-0 8. 0-0 Nc5 9. Bc2 Bg4 10. Be3 Na6 11. a3 Nh5 12. f3 Bd7 13. f4 Bf6 14. b4 Nc7 15. dxc6 Bxc6 16. b5 Be8 17. Qd3 g6 18. Rad1 exf4 19. Bxf4 Nxf4 20. Nxf4 Be5 21. g3 Bd7 22. a4 Rc8 23. Ncd5 Nxd5 24. Nxd5 Bh3 25. Rf2 Kg7 26. Rdd2 h5 27. Nf4 Bd7 28. Bb3 Qc7 29. Nd5 Qc5 30. Kg2 Rce8 31. h3 f5 32. Qc2 Bd4 33. Rf1 Rxe4 34. Qd1 Be5 35. Nf4 Rh8 36. Rd5 Qc8 37. c5 Bxf4 38. gxf4 Be6 39. Rxd6 Re8 40. c6 bxc6 41. bxc6 Kh6 42. Rf2 Qb8 43. Bxe6 R4xe6 44. Rxe6 Rxe6 45. Qd4 Re4 46. Qc3 Rxf4 47. c7 Rxf2+ 48. Kxf2 Qc8 49. h4 Kh7 50. Qe5 Qd7 51. Ke3 Kg8 52. Qc5 Qe6+ 53. Kd2 Qd7+ 54. Kc3 Qg7+ 55. Kb3 Qa1 56. c8Q+ 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2010.07.24"]
[Round "8"]
[White "Fistoul, Ilja"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1250"]
[BlackElo "1810"]
[PlyCount "64"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Be3 Bb7 7. Nc3 Bb4 8. Bd2 Ne7 9. a3 Ba5 10. Na4 Bb6 11. Nxb6 axb6 12. Bc4 d5 13. exd5 cxd5 14. Bb3 0-0 15. 0-0 Re8 16. Bc3 d4 17. Bb4 Ng6 18. c3 Nf4 19. f3 Qg5 20. Rf2 Nh3+ 21. Kf1 Nxf2 22. Kxf2 Qe3+ 23. Kf1 dxc3 24. bxc3 Red8 25. Qe2 Qf4 26. g3 Qxf3+ 27. Qxf3 Bxf3 28. Kf2 Bh5 29. Ke3 Bg6 30. Ba4 Rd3+ 31. Ke2 Rad8 32. Rd1 Bh5+ 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2010.07.23"]
[Round "7"]
[White "Der, Josef"]
[Black "Krueger, Georg"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1810"]
[BlackElo "1777"]
[PlyCount "54"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 0-0 6. Bd3 c5 7. cxd5 cxd4 8. Nxd4 Nxd5 9. Nxd5 Qxd5 10. Qf3 Qxf3 11. Nxf3 Rd8 12. Be2 Nc6 13. a3 Na5 14. Nd2 Be6 15. Rb1 Rac8 16. b4 Ba2 17. Bb2 Bxb1 18. Bxg7 Kxg7 19. bxa5 Rc1+ 20. Bd1 Bc2 21. Ke2 Bxd1+ 22. Rxd1 Rxd1 23. Kxd1 Rd3 24. Kc2 Rxa3 25. Kb2 Rxa5 26. g4 Rd5 27. Nf3 Rd1 0-1

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2010.07.22"]
[Round "6"]
[White "Ziabari, Morteza"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1935"]
[BlackElo "1810"]
[PlyCount "55"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Bb5 Nge7 5. e5 d6 6. Ne4 Nf5 7. Bxc6+ bxc6 8. exd6 Bxd6 9. d3 0-0 10. Nf3 Qc7 11. 0-0 Bxf4 12. Bxf4 Qxf4 13. Nfg5 Qe5 14. c3 h6 15. Nf3 Qb8 16. Qd2 Qb6 17. g4 Ne7 18. g5 Nf5 19. gxh6 Nxh6 20. Nf6+ Kh8 21. Qg5 Qd8 22. Ne5 Qb6 23. Nh5 Rg8 24. Nxf7+ Nxf7 25. Rxf7 c4+ 26. d4 Qd8 27. Qg6 Qh4 28. Rxg7 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2010.07.21"]
[Round "5"]
[White "Der, Josef"]
[Black "Benning, Martin"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "1810"]
[BlackElo "1552"]
[PlyCount "68"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 0-0 6. Nge2 e5 7. d5 Nbd7 8. b4 a6 9. a4 Nh5 10. Bd2 f5 11. exf5 gxf5 12. 0-0 f4 13. f3 Rf6 14. Rc1 Rh6 15. Ne4 Nhf6 16. g3 Nxe4 17. Bxe4 Nf6 18. gxf4 Nxe4 19. fxe4 Qh4 20. Rf2 exf4 21. Bxf4 Rg6+ 22. Bg3 Qxe4 23. Qc2 Qe3 24. Kh1 Bg4 25. Rcf1 Rf8 26. Kg2 Rxf2+ 27. Rxf2 Be5 28. c5 Bxg3 29. Nxg3 Qd4 30. Qd3 dxc5 31. bxc5 Qxc5 32. Qd2 Rd6 33. Rf4 Bd1 34. Nf5 Rg6+ 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2010.07.20"]
[Round "4"]
[White "Kolleck, Wolf Dietrich"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "1561"]
[BlackElo "1810"]
[PlyCount "90"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 0-0 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Ba6 10. 0-0 Nbd7 11. Qc2 Rc8 12. Rad1 h6 13. Bh4 Nd5 14. Bxe7 Qxe7 15. a3 Bb7 16. e4 Nf4 17. Qd2 Nxd3 18. Qxd3 Rcd8 19. Qe3 Ba6 20. Rfe1 Nb6 21. b3 Rd7 22. Ne5 Rc7 23. Qg3 Rfc8 24. b4 Nd7 25. Ng4 Kh8 26. Ne2 Nf6 27. Nf4 Nxg4 28. Qxg4 Rg8 29. Nd3 Bc8 30. Ne5 g5 31. Rd3 f6 32. Nf3 Qh7 33. Nd2 f5 34. Qd1 g4 35. exf5 Qxf5 36. Nf1 Rf7 37. Qd2 Rg6 38. Qc2 Bb7 39. Ng3 Qg5 40. Re5 Qd8 41. Rde3 Bc8 42. Re2 Rgf6 43. Nh5 Rf5 44. Ng3 R5f6 45. Rh5 Rh7 1/2-1/2

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2010.07.19"]
[Round "3"]
[White "Der, Josef"]
[Black "Koch, Detlev"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1810"]
[BlackElo "1312"]
[PlyCount "87"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. e3 0-0 6. Bd3 d5 7. Nc3 c5 8. cxd5 Bxc3 9. Bxc3 Nxd5 10. Rc1 cxd4 11. Bxd4 b6 12. 0-0 Ba6 13. Re1 Bxd3 14. Qxd3 Nd7 15. a3 Ne7 16. Red1 Nf5 17. Bxg7 Nc5 18. Qb1 Qe7 19. Bxf8 Qxf8 20. Rc4 Kh8 21. h3 Nd6 22. Rh4 f5 23. Ne5 Qf6 24. Rhd4 Qxe5 25. Rxd6 Na4 26. R1d4 Rb8 27. Qa2 Rc8 28. Rd8+ Rxd8 29. Rxd8+ Kg7 30. Rd4 Nc5 31. Qc4 Ne4 32. Rd7+ Kg6 33. Qd4 Qf6 34. f3 Ng5 35. Qxf6+ Kxf6 36. h4 Nf7 37. Rb7 Nd6 38. Rxb6 Nc4 39. Rb3 Nd2 40. Rb7 h6 41. b4 Nb1 42. bxa5 Nxa3 43. a6 Nc4 44. a7 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2010.07.18"]
[Round "2"]
[White "Lust, Nikolaus"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1121"]
[BlackElo "1810"]
[PlyCount "61"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. g3 g6 3. Bg2 c6 4. Nc3 Bg7 5. e4 Ne7 6. Nge2 0-0 7. d4 exd4 8. Nxd4 a6 9. 0-0 d6 10. b3 b6 11. Re1 Qc7 12. Bb2 Rd8 13. Nde2 Bb7 14. Nf4 Nd7 15. Qc2 Rac8 16. Rac1 Nf6 17. Bh3 Rb8 18. Rcd1 Bc8 19. Bg2 Bg4 20. Rd2 Rbc8 21. h3 Bd7 22. Rde2 Re8 23. e5 dxe5 24. Rxe5 Bf5 25. Qe2 Bf8 26. g4 Bd7 27. g5 Nfd5 28. cxd5 cxd5 29. Ncxd5 Nxd5 30. Nxd5 Qb8 31. Nf6+ 1-0

[Event "Dortmund Sparkassen op-B"]
[Site "Dortmund"]
[Date "2010.07.17"]
[Round "1"]
[White "Der, Josef"]
[Black "Wiesemann, Peter"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1810"]
[BlackElo "1787"]
[PlyCount "50"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nf3 Ngf6 6. Bd3 c5 7. d5 0-0 8. 0-0 a6 9. a4 Ng4 10. Bd2 Nde5 11. Nxe5 Nxe5 12. Qc2 Nxd3 13. Qxd3 f5 14. f3 Qb6 15. Rfb1 Rf7 16. a5 Qc7 17. Na4 Bd7 18. Nb6 Raf8 19. Nxd7 Qxd7 20. Be3 fxe4 21. Qxe4 Re8 22. Ra3 e6 23. b4 exd5 24. Qxd5 Re5 25. Qd3 Rxe3 0-1

[Event "Nettetal op"]
[Site "Nettetal"]
[Date "2010.07.11"]
[Round "9"]
[White "Der, Josef"]
[Black "Timmermans, Peter"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1812"]
[BlackElo "1286"]
[PlyCount "59"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Bf5 3. e3 e6 4. Bd3 Bd6 5. Bxf5 exf5 6. Qd3 Qd7 7. c4 Nf6 8. c5 Be7 9. Ne5 Qe6 10. Qb5+ c6 11. Qxb7 0-0 12. Qxa8 f4 13. Qxa7 fxe3 14. Bxe3 Ng4 15. Nxg4 Bg5 16. h3 Nd7 17. 0-0 Bxe3 18. Nxe3 Nf6 19. Nc3 Nh5 20. Rae1 Qf6 21. Qa4 Nf4 22. Ne2 g5 23. Ng4 Nxh3+ 24. gxh3 Qf3 25. Ng3 Qf4 26. Nh5 Qc7 27. Qc2 f5 28. Ngf6+ Kh8 29. Qxf5 Qd8 30. Qxh7# 1-0

[Event "Nettetal op"]
[Site "Nettetal"]
[Date "2010.07.09"]
[Round "8"]
[White "Der, Josef"]
[Black "Arndt, Theodor"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1812"]
[BlackElo "1529"]
[PlyCount "112"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. Be2 h6 5. 0-0 Nbd7 6. Nbd2 e6 7. c4 c6 8. h3 Bh5 9. Re1 Bd6 10. Qb3 b6 11. Qc3 Bb8 12. b3 Ne4 13. Nxe4 dxe4 14. Nd2 Bxe2 15. Rxe2 Qc7 16. Nf1 0-0 17. Bb2 Nf6 18. Rd1 a6 19. a4 Rd8 20. Red2 Qe7 21. d5 exd5 22. cxd5 cxd5 23. Rxd5 Bd6 24. Qd4 Bc7 25. Qc3 Rdc8 26. Kh1 Rd8 27. Rxd8+ Rxd8 28. Rd4 Re8 29. Qc1 Be5 30. Ba3 Qe6 31. Rc4 Qf5 32. Qd2 g5 33. g4 Qf3+ 34. Kg1 Qxh3 35. f3 Qxf3 36. Qg2 Qd1 37. Rb4 Nxg4 38. Qh3 Qe2 39. Qg2 Qxg2+ 40. Kxg2 Bd6 41. Rxb6 Bxa3 42. Rxa6 Bc1 43. b4 f5 44. b5 Nxe3+ 45. Nxe3 Bxe3 46. Rxh6 Kg7 47. Rc6 Rb8 48. Kf1 Bb6 49. Ke2 f4 50. Re6 e3 51. Kf3 Kf7 52. Rh6 Bd4 53. Rd6 Bc3 54. Ra6 Re8 55. Ra7+ Kg6 56. Kg4 e2 0-1

[Event "Nettetal op"]
[Site "Nettetal"]
[Date "2010.07.09"]
[Round "7"]
[White "Schroiff, Rene"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1451"]
[BlackElo "1812"]
[PlyCount "53"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 e6 6. Nc3 a6 7. 0-0 Bg7 8. Be3 Nge7 9. Bb3 0-0 10. Nxc6 Nxc6 11. Rb1 b5 12. Qd2 Qh4 13. Bg5 Bxc3 14. bxc3 Qxe4 15. Rfe1 Qf5 16. Bh6 Re8 17. Re3 Ne5 18. Qd4 f6 19. h3 Nc6 20. Qd6 g5 21. Bxe6+ dxe6 22. Qxc6 Qg6 23. Qxa8 e5 24. Qc6 Qf7 25. Rd1 Bb7 26. Qd7 Re7 27. Qxb7 1-0

[Event "Nettetal op"]
[Site "Nettetal"]
[Date "2010.07.08"]
[Round "6"]
[White "Egel, Jonas"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1781"]
[BlackElo "1812"]
[PlyCount "73"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 d6 7. Qd2 a6 8. Rb1 Nd4 9. Nce2 e5 10. c3 Ne6 11. d4 exd4 12. cxd4 cxd4 13. Nxd4 Ne7 14. f4 Nc6 15. Ngf3 0-0 16. 0-0 Bd7 17. b4 Qe7 18. Rfd1 Rad8 19. Nc2 Bc8 20. Bb6 Rd7 21. Ne3 Ned8 22. Nd5 Qxe4 23. Ne5 Qf5 24. Nxd7 Bxd7 25. a4 Kh8 26. b5 Nb8 27. Ne3 Qf6 28. Qxd6 Ne6 29. Nd5 Qf5 30. Ne7 Qc2 31. Ba7 Qxa4 32. Bxb8 Bxb5 33. Bc7 Re8 34. Bxb7 Qc2 35. Nd5 Nd4 36. Nf6 Ne2+ 37. Kh1 1-0

[Event "Nettetal op"]
[Site "Nettetal"]
[Date "2010.07.07"]
[Round "5"]
[White "Der, Josef"]
[Black "Mangels, Winfried"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1812"]
[BlackElo "1543"]
[PlyCount "138"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 0-0 6. Bd3 c5 7. cxd5 Nxd5 8. a3 Nc6 9. e4 Nxc3 10. bxc3 cxd4 11. cxd4 Nxd4 12. 0-0 Bf6 13. Rb1 b6 14. e5 Nxf3+ 15. Qxf3 Bxe5 16. Bxh7+ Kxh7 17. Qxa8 g6 18. Qf3 Qc7 19. Qh3+ Kg8 20. Bh6 Re8 21. Rbc1 Qb8 22. Be3 Bf6 23. Qf3 Bg7 24. Qc6 Bb7 25. Qc7 Qa8 26. f3 e5 27. Qd7 Bd5 28. Rc7 Be6 29. Qa4 Qb8 30. Qxa7 b5 31. Rb7 Qxa7 32. Bxa7 Bc4 33. Re1 Rd8 34. Rb8 Rxb8 35. Bxb8 Bf8 36. Bxe5 Bxa3 37. Bd4 f5 38. Re8+ Kf7 39. Ra8 Bc1 40. h4 f4 41. Ra7+ Ke6 42. Kf2 Bd2 43. Rg7 Bd3 44. Rg8 Kd5 45. Rd8+ Kc4 46. Be5 Be3+ 47. Ke1 b4 48. Rb8 Bf5 49. g4 fxg3 50. Bxg3 Bd4 51. Bd6 b3 52. Ba3 Kc3 53. Rb7 Be5 54. Rb4 Kc2 55. Rc4+ Kb1 56. f4 Bb2 57. Bd6 Bf6 58. Be5 Bxh4+ 59. Kd2 b2 60. Rb4 Ka2 61. Rxb2+ Ka3 62. Rb8 Bg3 63. Kc3 Be1+ 64. Kc4 Be6+ 65. Kd3 Bg3 66. Ke3 g5 67. Re8 gxf4+ 68. Bxf4 Bxf4+ 69. Kxf4 Bc4 1/2-1/2

[Event "Nettetal op"]
[Site "Nettetal"]
[Date "2010.07.06"]
[Round "4"]
[White "Boonen, Piet"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2056"]
[BlackElo "1812"]
[PlyCount "43"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 c6 3. f4 Bg7 4. Nf3 e6 5. Be2 Ne7 6. 0-0 0-0 7. c3 d6 8. Na3 Nd7 9. Bd3 b6 10. Qe2 a5 11. Bd2 Bb7 12. Rae1 Re8 13. Qf2 Nf6 14. h3 Qc7 15. g4 Rad8 16. Nh4 e5 17. f5 Kh8 18. g5 exd4 19. gxf6 Bxf6 20. fxg6 Bxh4 21. Qxh4 Nxg6 22. Qf6+ 1-0

[Event "Nettetal op"]
[Site "Nettetal"]
[Date "2010.07.05"]
[Round "3"]
[White "Der, Josef"]
[Black "Egel, Amos"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1812"]
[BlackElo "1984"]
[PlyCount "47"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e4 d6 5. d3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 a6 9. a4 Rb8 10. h3 Ne8 11. Bd2 Bd7 12. Rc1 Nb4 13. Be3 b5 14. axb5 axb5 15. b3 Nc7 16. d4 Nca6 17. Qe2 bxc4 18. bxc4 Nc6 19. Rfd1 cxd4 20. Nxd4 Nxd4 21. Bxd4 Bxd4 22. Rxd4 Qb6 23. Rcd1 Be6 24. Nd5 1/2-1/2

[Event "Nettetal op"]
[Site "Nettetal"]
[Date "2010.07.04"]
[Round "2"]
[White "Wassermann, Christian"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1377"]
[BlackElo "1812"]
[PlyCount "74"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. e3 Bd6 4. Bxd6 Qxd6 5. Bd3 Qb4+ 6. c3 Qxb2 7. Qa4+ Bd7 8. Qb3 Qxa1 9. Qxb7 Bc6 10. Qc8+ Ke7 11. Qxc7+ Bd7 12. Qb7 Qxa2 13. Qxa8 Nf6 14. Qb7 Qa5 15. Qb4+ Qxb4 16. cxb4 Nc6 17. b5 Nb4 18. Be2 Rb8 19. Na3 Ne4 20. Nf3 f6 21. 0-0 Nc3 22. Re1 Nxe2+ 23. Rxe2 Bxb5 24. Rb2 a5 25. Nd2 Ba6 26. Nc2 Rc8 27. Ne1 Rc1 28. Rb1 Rxb1 29. Nxb1 Kd7 30. f3 Kc6 31. e4 Kb5 32. Nd2 a4 33. Nb1 Kc4 34. exd5 exd5 35. f4 Kxd4 36. g3 Bd3 37. Nd2 Kc3 0-1

[Event "Nettetal op"]
[Site "Nettetal"]
[Date "2010.07.03"]
[Round "1"]
[White "Der, Josef"]
[Black "Carlstedt, Jonathan"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1812"]
[BlackElo "2346"]
[PlyCount "50"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. Bd3 cxd4 7. exd4 g6 8. cxd5 exd5 9. 0-0 Bg7 10. Re1+ Be6 11. h3 0-0 12. Bf4 Nh5 13. Bh2 a6 14. a3 b5 15. Be2 Nf6 16. Ne5 Rc8 17. Rc1 Qb6 18. Nxc6 Rxc6 19. Be5 Rfc8 20. Na2 Rxc1 21. Nxc1 Bh6 22. f4 Nd7 23. Bg4 Nxe5 24. Bxe6 fxe6 25. Rxe5 Bxf4 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.12"]
[Round "9"]
[White "Der, Josef"]
[Black "Busse, Siegfried"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1812"]
[BlackElo "1368"]
[PlyCount "123"]
[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. Nf3 e6 3. e3 Be7 4. c4 Nf6 5. Bd3 h6 6. Nc3 c6 7. 0-0 0-0 8. cxd5 cxd5 9. Bd2 Bd7 10. Rc1 a6 11. Bb1 Nc6 12. a3 Nh7 13. Qc2 f5 14. h3 Ng5 15. Nh2 Rc8 16. Qd3 Na7 17. f3 Nb5 18. Rfe1 Qe8 19. Qe2 Nxc3 20. Bxc3 Bd6 21. Nf1 Qg6 22. Kh1 Qh5 23. f4 Qxe2 24. Rxe2 Bb5 25. Ree1 Nh7 26. Nd2 Rf7 27. Nf3 Rfc7 28. Bd2 Nf6 29. Rxc7 Rxc7 30. Rc1 Rxc1+ 31. Bxc1 Nd7 32. b3 Kf7 33. Kg1 g6 34. Kf2 b6 35. g3 a5 36. Bc2 Bc6 37. g4 b5 38. gxf5 exf5 39. Nh4 Kf6 40. Kg3 Nf8 41. Bb2 Ne6 42. Kf2 Bd7 43. Nf3 g5 44. fxg5+ Nxg5 45. Ne5 Be8 46. Kg2 Bxe5 47. dxe5+ Ke6 48. Kg3 Ne4+ 49. Kf4 Bg6 50. h4 Bh5 51. Bd3 b4 52. axb4 axb4 53. Ba6 Be8 54. Bc8+ Bd7 55. Bxd7+ Kxd7 56. Kxf5 Nc5 57. Bd4 Nxb3 58. e6+ Ke8 59. Bg7 Nc5 60. Bxh6 Nd3 61. Bg7 b3 62. h5 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.11"]
[Round "8"]
[White "Werninghaus, Klaus Peter"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2018"]
[BlackElo "1812"]
[PlyCount "18"]
[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. c4 e5 2. Nc3 Nf6 3. g3 a6 4. Bg2 Bc5 5. Nf3 d6 6. 0-0 c6 7. d4 exd4 8. Nxd4 0-0 9. Qc2 Bxd4 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.10"]
[Round "7"]
[White "Der, Josef"]
[Black "Koch, Detlev"]
[Result "0-1"]
[ECO "D26"]
[WhiteElo "1812"]
[BlackElo "1315"]
[PlyCount "76"]
[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 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. e3 dxc4 7. Bxc4 0-0 8. 0-0 c6 9. a4 b6 10. Re1 Ba6 11. Ba2 Bb7 12. Rc1 Nbd7 13. Nc4 Ne8 14. Bb1 g6 15. Nce5 Rc8 16. h3 Nef6 17. Nc4 Ne8 18. e4 b5 19. axb5 cxb5 20. Ne3 Rxc1 21. Qxc1 Nef6 22. Nf1 Qc8 23. Qh6 Rd8 24. Ng5 Nf8 25. Rd1 Qc7 26. g3 Kh8 27. Qh4 Ng8 28. e5 Rd7 29. Qf4 Re7 30. Rc1 Qd7 31. Ne3 h6 32. Qh4 Kg7 33. Rd1 hxg5 34. Qxg5 Nh7 35. Qg4 Nh6 36. Qe2 a6 37. g4 Ng5 38. Kh2 Bf3 0-1

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.09"]
[Round "6"]
[White "Balik, Ali"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1535"]
[BlackElo "1812"]
[PlyCount "111"]
[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. d4 e6 3. Nf3 d5 4. exd5 exd5 5. dxc5 Bxc5 6. Nc3 Ne7 7. Bg5 Be6 8. Bb5+ Nbc6 9. 0-0 0-0 10. Re1 Qc7 11. Bd3 h6 12. Bh4 a6 13. Bg3 Qb6 14. Na4 Qa7 15. Nxc5 Qxc5 16. Ne5 Nxe5 17. Bxe5 Nc6 18. Qd2 d4 19. Bf4 g5 20. Bg3 Rae8 21. h4 f6 22. Qe2 Bf7 23. Qf3 Kg7 24. a3 Rh8 25. b4 Qc3 26. Be4 Qxf3 27. Bxf3 Bg6 28. Rxe8 Rxe8 29. hxg5 hxg5 30. Rc1 f5 31. Bc7 f4 32. Bb6 d3 33. cxd3 Bxd3 34. Bxc6 bxc6 35. Rxc6 Bb5 36. Rc5 Re1+ 37. Kh2 Rd1 38. Rxg5+ Kf6 39. Rg8 Ke5 40. Bc7+ Kf6 41. Bxf4 Kf5 42. Bc7 Rc1 43. Bb6 Rc6 44. Bc5 Rh6+ 45. Kg3 Ke4 46. Kg4 Kd3 47. Kg5 Rc6 48. Rg6 Rc8 49. f4 Kc4 50. Kh6 Kb3 51. Rg3+ Kc4 52. Re3 Bc6 53. g4 Bd5 54. g5 Rc6+ 55. g6 Be6 56. Re5 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.08"]
[Round "5"]
[White "Der, Josef"]
[Black "Stoer, Nathan"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1812"]
[BlackElo "1482"]
[PlyCount "73"]
[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 e6 2. e4 d5 3. e5 c5 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. c3 Nc6 7. Ne2 Qc7 8. Be3 cxd4 9. cxd4 Bb4+ 10. Nd2 Nge7 11. Ng3 Qb6 12. a3 Bxd2+ 13. Qxd2 0-0 14. 0-0 a5 15. Kh1 Nf5 16. Nxf5 exf5 17. f4 Rfe8 18. Rf3 Ne7 19. Rc1 Rac8 20. Rc5 Qa6 21. h3 b6 22. Rc3 Rxc3 23. Qxc3 Rc8 24. Qd2 Rc6 25. Bg1 Qc8 26. Rc3 Rxc3 27. bxc3 Qc4 28. Kh2 Qb3 29. Qc1 Qa2 30. Kg3 b5 31. Be3 g6 32. Kf3 Nc8 33. Qf1 Qc4 34. Qxc4 bxc4 35. g4 a4 36. Bc1 Kg7 37. g5 1/2-1/2

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.07"]
[Round "4"]
[White "Eckert, Marius"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1773"]
[BlackElo "1812"]
[PlyCount "117"]
[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 g6 2. d4 e6 3. c4 b6 4. Nc3 Bg7 5. Nf3 Ne7 6. Bf4 a6 7. Rc1 Bb7 8. d5 d6 9. dxe6 fxe6 10. Ng5 Bc8 11. h4 0-0 12. Be3 h6 13. Nf3 h5 14. g4 Qe8 15. gxh5 gxh5 16. Ng5 Rf6 17. Be2 Rh6 18. Rg1 Kh8 19. Qd2 Rf6 20. e5 dxe5 21. Nce4 Rf5 22. Ng3 Qd7 23. Nxf5 exf5 24. Nf7+ Kh7 25. Qxd7 Nxd7 26. Bxh5 f4 27. Bd2 Nc5 28. Ke2 Bf5 29. Bc3 Bd3+ 30. Kd2 Bf5 31. Rxg7+ Kxg7 32. Bxe5+ Kf8 33. Bxf4 Ne4+ 34. Ke3 Nf6 35. Bh6+ Ke8 36. Bf3 c6 37. Nd6+ Kd7 38. Rd1 Ke6 39. Bg5 Nfg8 40. Bh5 Rf8 41. Nb7 Bc2 42. Rd6+ Ke5 43. f4+ Kf5 44. Rd2 Bb1 45. Nd6+ Ke6 46. Bg4+ Nf5+ 47. Kf3 c5 48. Nxf5 Bxf5 49. Bxf5+ Rxf5 50. Kg4 Rf7 51. Rd5 Rg7 52. f5+ Kf7 53. Rd7+ Kf8 54. Rxg7 Kxg7 55. Kf4 b5 56. b3 bxc4 57. bxc4 Nf6 58. Bxf6+ Kxf6 59. h5 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.06"]
[Round "3"]
[White "Der, Josef"]
[Black "Schmidt, Martin"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1812"]
[BlackElo "2107"]
[PlyCount "75"]
[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 Nf6 2. Nf3 c5 3. e3 Nc6 4. d5 Nb4 5. c4 Ne4 6. Be2 e6 7. dxe6 fxe6 8. a3 Nc6 9. Nbd2 Nxd2 10. Bxd2 d5 11. Bc3 Be7 12. 0-0 0-0 13. cxd5 exd5 14. Qb3 c4 15. Qd1 Be6 16. Nd4 Nxd4 17. Bxd4 Bf6 18. Qd2 Bxd4 19. Qxd4 Qf6 20. Rad1 Qxd4 21. Rxd4 Rf6 22. Bf3 Rd8 23. Rfd1 Rdf8 24. R1d2 Rc8 25. Bxd5 Bxd5 26. Rxd5 Rb6 27. g4 Rb3 28. e4 c3 29. bxc3 Rbxc3 30. e5 Rxa3 31. e6 Kf8 32. Rd7 b5 33. Rb7 Re8 34. Rdd7 b4 35. Rxg7 Rb3 36. Rxh7 Kg8 37. Rbg7+ Kf8 38. e7+ 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.05"]
[Round "2"]
[White "Ziabari, Morteza"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1959"]
[BlackElo "1812"]
[PlyCount "73"]
[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 g6 2. d4 Bg7 3. f4 e6 4. Nf3 c6 5. c4 b6 6. Nc3 Bb7 7. e5 Ne7 8. Ne4 Nc8 9. c5 0-0 10. Bd3 Na6 11. Qe2 Nb4 12. Bc4 b5 13. Bb3 a5 14. a3 Nd5 15. 0-0 Ba6 16. Rf2 b4 17. Bc4 Bxc4 18. Qxc4 Nce7 19. Nd6 Qb8 20. axb4 Qxb4 21. Ra4 Qxc4 22. Nxc4 Rfc8 23. Bd2 Nb4 24. Nb6 Nd3 25. Nxa8 Nxf2 26. Rxa5 Nd3 27. Nb6 Nxb2 28. Nxd7 Rd8 29. Nb6 Nd5 30. Ra7 h6 31. g3 Bf8 32. Kf1 Nxb6 33. cxb6 Rb8 34. b7 c5 35. Ba5 c4 36. Bc7 c3 37. Ne1 1-0

[Event "Dortmund op-B"]
[Site "Dortmund"]
[Date "2009.07.04"]
[Round "1"]
[White "Der, Josef"]
[Black "Boeckmann, Lieselotte"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1812"]
[BlackElo "972"]
[PlyCount "119"]
[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. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 c5 6. c3 Nbd7 7. e3 b6 8. Qa4 0-0 9. Qc2 Re8 10. c4 h6 11. Nbd2 Nf8 12. cxd5 exd5 13. h3 Bd6 14. Re1 Bb7 15. b3 cxd4 16. Nxd4 Rc8 17. Qd1 Ne4 18. Bxe4 dxe4 19. Qg4 Rc5 20. Nf5 Rxf5 21. Qxf5 Bc8 22. Qh5 Re5 23. Qd1 Bxh3 24. Nc4 Qf6 25. Bb2 Qe6 26. Qxd6 f6 27. Bxe5 Nd7 28. Qxe6+ Bxe6 29. Bb2 Nc5 30. Re2 Nd3 31. Bd4 Bg4 32. Rc2 Nb4 33. Rd2 Nc6 34. a3 b5 35. Nd6 Na5 36. Rb1 a6 37. b4 Nc6 38. Nxe4 Bf5 39. f3 a5 40. bxa5 Nxa5 41. Rxb5 Nc4 42. Rxf5 Nxd2 43. Nxd2 Kf7 44. Rb5 g5 45. a4 f5 46. a5 Kg6 47. g4 h5 48. gxh5+ Kxh5 49. Rxf5 Kh4 50. Bf6 Kg3 51. Rxg5+ Kh3 52. Kf2 Kh4 53. f4 Kh3 54. Rh5+ Kg4 55. Rg5+ Kh3 56. Nf1 Kh4 57. Ng3 Kh3 58. Kf3 Kh2 59. Rh5+ Kg1 60. Rh1# 1-0

[Event "Oberhausen op"]
[Site "Oberhausen"]
[Date "2009.04.09"]
[Round "1"]
[White "Der, Josef"]
[Black "De Gleria, Francesco"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1816"]
[BlackElo "2371"]
[PlyCount "60"]
[EventDate "2009.04.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 Bb7 7. 0-0 0-0 8. Nc3 d6 9. a3 Bxc3 10. bxc3 Nbd7 11. Re1 Re8 12. Bg5 h6 13. Bd2 Qc8 14. Qc1 Re7 15. Qc2 Be4 16. Qc1 Qa6 17. Bf1 Qxc4 18. e3 Bd3 19. Bg2 Ne4 20. Qb2 Ndf6 21. h3 a4 22. Red1 Ra5 23. Qb4 Qa6 24. Qb2 Rb5 25. Qc1 Be2 26. c4 Rf5 27. Nh4 Rxf2 28. Be1 Rxg2+ 29. Nxg2 Bxd1 30. Qxd1 Qxc4 0-1

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.12"]
[Round "6"]
[White "Der, Josef"]
[Black "Kirchner, Michael"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1796"]
[BlackElo "2007"]
[PlyCount "90"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 Nc6 7. 0-0 e5 8. d5 Ne7 9. f4 exf4 10. Bxf4 Nh5 11. Be3 f5 12. Qd2 Nf6 13. Rad1 fxe4 14. Bxe4 Nxe4 15. Rxf8+ Qxf8 16. Nxe4 Nf5 17. c3 Qe7 18. Bg5 Qxe4 19. Re1 Bd7 20. Nf4 Qf3 21. Ne6 Be5 22. Rf1 Qg4 23. Bf4 Bxe6 24. Bxe5 dxe5 25. dxe6 Nxg3 26. hxg3 Qxe6 27. b3 Re8 28. Kh2 e4 29. Qe3 b6 30. Qf4 c5 31. Rd1 e3 32. Re1 e2 33. c4 Qe5 34. Qd2 Kf7 35. Kg2 Qe3 36. Qxe3 Rxe3 37. Kf2 Re5 38. Rxe2 Rxe2+ 39. Kxe2 Kf6 40. Ke3 Ke5 41. a3 h5 42. b4 a5 43. bxa5 bxa5 44. a4 g5 45. Kd3 h4 0-1

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.12"]
[Round "7"]
[White "Ratzmann, Stefan"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2004"]
[BlackElo "1796"]
[PlyCount "112"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. Ne5 Nbd7 6. f4 c5 7. b3 g6 8. Nd2 Nh5 9. 0-0 cxd4 10. exd4 Qb6 11. Ndf3 f6 12. Nxd7 Bxd7 13. g3 0-0 14. Kg2 Rae8 15. Bb2 Bc6 16. Nh4 f5 17. Nf3 Nf6 18. Ne5 Bxe5 19. fxe5 Nd7 20. a4 a6 21. Qd2 Rf7 22. h4 h5 23. Qg5 Nf8 24. Be2 Rg7 25. a5 Qc7 26. Qd2 Nh7 27. Kf2 Rf8 28. Ba3 Rff7 29. Bd6 Qd8 30. Ke1 Be8 31. c4 Bc6 32. cxd5 Bxd5 33. Bc4 Bxc4 34. bxc4 g5 35. d5 Rg6 36. Qf2 gxh4 37. gxh4 Rg4 38. dxe6 Rfg7 39. Kd1 f4 40. Qb6 Qxh4 41. e7 Rxe7 42. Qd8+ Kf7 43. Qxe7+ Qxe7 44. Bxe7 Kxe7 45. Rb1 Ng5 46. Rxb7+ Ke6 47. Rb6+ Kxe5 48. Rxa6 f3 49. Rc6 h4 50. a6 Rd4+ 51. Ke1 Rd7 52. Rb6 Ra7 53. Rg1 Ne4 54. Rgg6 Rf7 55. Rge6+ Kd4 56. Rxe4+ Kxe4 1/2-1/2

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.11"]
[Round "5"]
[White "Der, Josef"]
[Black "Stefkovic, Martin"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1796"]
[BlackElo "2005"]
[PlyCount "101"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 Bd6 4. c4 c6 5. Nc3 f5 6. Bd3 Nf6 7. Nh4 0-0 8. Nf3 Ne4 9. 0-0 Bd7 10. h3 Be8 11. cxd5 exd5 12. Nh2 g6 13. Qb3 Qc7 14. Nf3 Nd7 15. Nxe4 fxe4 16. Bxe4 Nf6 17. Bd3 Kg7 18. Ng5 Bf7 19. Nxf7 Rxf7 20. Bd2 Raf8 21. Rac1 Qd7 22. Bb4 Re8 23. Qa3 Bb8 24. Be2 Qc7 25. f4 Qd7 26. Rf3 Nh5 27. Re1 Kg8 28. g4 Ng7 29. Qd3 Kh8 30. Bd1 Re4 31. Bd2 Rfe7 32. Bc2 Qe8 33. Qf1 R4e6 34. Qd3 Rf6 35. e4 dxe4 36. Rxe4 Rxe4 37. Qxe4 Re6 38. Qd3 Qd7 39. f5 gxf5 40. gxf5 Rd6 41. f6 Ne6 42. f7 Nf8 43. Bg5 Rg6 44. Qe3 Qd6 45. Bxg6 Qh2+ 46. Kf1 Qh1+ 47. Ke2 hxg6 48. Qe7 Qh2+ 49. Rf2 Qd6 50. Qe4 Kg7 51. Bf6+ 1-0

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.11"]
[Round "4"]
[White "Mull, Thomas"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2057"]
[BlackElo "1796"]
[PlyCount "43"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 b6 3. Bb2 Bb7 4. e3 d5 5. Be2 e6 6. 0-0 Be7 7. d3 0-0 8. Nbd2 Nbd7 9. Ne5 c5 10. c4 Nxe5 11. Bxe5 Nd7 12. Bb2 Bf6 13. Qc2 Bxb2 14. Qxb2 Qg5 15. e4 d4 16. f4 Qg6 17. Nf3 f6 18. f5 Qf7 19. fxe6 Qxe6 20. Qd2 Rae8 21. Nh4 g6 22. Rae1 1/2-1/2

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.10"]
[Round "3"]
[White "Der, Josef"]
[Black "Wittenberg, Andreas"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1796"]
[BlackElo "2041"]
[PlyCount "82"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Be3 Bg4 6. Be2 Nf6 7. Nc3 c6 8. 0-0 Qc7 9. h3 Bh5 10. Rc1 Nbd7 11. a3 0-0 12. b4 Rae8 13. Re1 Kh8 14. Nb1 b5 15. c3 a5 16. a4 bxa4 17. Qxa4 Nb6 18. Qb3 a4 19. Qa3 Ne4 20. Nbd2 f5 21. Nf1 Re6 22. Ng5 Nxg5 23. Bxh5 f4 24. Bd2 Rh6 25. Bg4 Rg6 26. Qa2 h5 27. Qc2 Rh6 28. Bd1 Qd7 29. Qd3 Qf7 30. Bc2 a3 31. h4 Ne4 32. Nh2 Nc4 33. Nf3 Be7 34. Bb3 Ncxd2 35. Nxd2 Nxd2 36. Qxd2 f3 37. Bc2 Bxh4 38. g3 Bxg3 39. fxg3 f2+ 40. Kg2 Qf3+ 41. Kh2 h4 0-1

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.10"]
[Round "2"]
[White "Kammann, Thomas"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1252"]
[BlackElo "1796"]
[PlyCount "50"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. Nc3 g6 5. d3 Bg7 6. Bd2 Nge7 7. Rb1 0-0 8. 0-0 Kh8 9. Qc1 d5 10. exd5 exd5 11. Bb3 Be6 12. Ng5 Nd4 13. Nxe6 fxe6 14. f3 b5 15. Rf2 Nef5 16. a3 Nxb3 17. cxb3 Bd4 18. Nxb5 Bxf2+ 19. Kxf2 Qb6 20. a4 a6 21. Nc3 c4+ 22. Kf1 cxd3 23. g4 Nd4 24. Kg2 Nxf3 25. Bh6 Rf7 0-1

[Event "Goch op 19th"]
[Site "Goch"]
[Date "2008.10.09"]
[Round "1"]
[White "Der, Josef"]
[Black "Stefkovic, Marijan"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1796"]
[BlackElo "2146"]
[PlyCount "38"]
[EventDate "2008.10.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 a6 5. a4 g6 6. g3 Bg7 7. Bg2 Nge7 8. d3 0-0 9. 0-0 Nd4 10. Be3 Nec6 11. Rc1 d6 12. Re1 Qb6 13. Rb1 Bd7 14. Nd2 Nb4 15. Nf1 Bc6 16. Bg5 f6 17. Be3 Rae8 18. f4 f5 19. Bf2 Nbc2 0-1

[Event "Duesseldorf Nord Cup 8th GrJ"]
[Site "Duesseldorf"]
[Date "2008.08.03"]
[Round "5"]
[White "Der, Josef"]
[Black "Backes, Juergen"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1580"]
[BlackElo "1565"]
[PlyCount "90"]
[EventDate "2008.08.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. Be2 e6 5. c4 c6 6. Qb3 Qc7 7. Nc3 Nbd7 8. Bd2 b6 9. Rc1 Bd6 10. cxd5 exd5 11. Nb5 Qb8 12. Nxd6+ Qxd6 13. 0-0 Ne4 14. Be1 0-0 15. h3 Bh5 16. Kh1 f5 17. Ng1 Ndf6 18. Bb4 c5 19. Ba3 Nd2 20. Qd1 Bxe2 21. Qxd2 Bxf1 22. dxc5 Ne4 23. Qe1 Bxg2+ 24. Kxg2 bxc5 25. f3 Qg6+ 26. Kh2 Ng5 27. Bxc5 Rfe8 28. f4 Ne4 29. Bd4 Rec8 30. Ne2 Rxc1 31. Qxc1 Qh5 32. Ng3 Nxg3 33. Kxg3 Re8 34. Qc7 Qf7 35. Qc3 Qd7 36. a3 Rc8 37. Qd3 Qe6 38. Bxa7 Rc1 39. b4 Qg6+ 40. Kh4 Qh6+ 41. Kg3 Qg6+ 42. Kh4 h6 43. Qxd5+ Kh7 44. Qe5 Rg1 45. Bd4 Qf7 0-1

[Event "Duesseldorf Nord Cup 8th GrJ"]
[Site "Duesseldorf"]
[Date "2008.08.03"]
[Round "4"]
[White "Reinacher, Detlev"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1558"]
[BlackElo "1580"]
[PlyCount "76"]
[EventDate "2008.08.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. cxd5 exd5 7. dxc5 Bxc5 8. Bb5 Be6 9. Ne5 Rc8 10. a3 0-0 11. Nxc6 bxc6 12. Bd3 Qe7 13. 0-0 Bd6 14. b4 Qc7 15. h3 Be5 16. Bb2 Rfd8 17. f4 Bd6 18. Qc2 d4 19. exd4 Bxf4 20. Ne2 Be3+ 21. Kh1 Bg5 22. Ng1 Qd6 23. Nf3 Be3 24. Rae1 Bh6 25. Nh4 Qg3 26. Nf5 Bxf5 27. Bxf5 Bf4 28. Kg1 Qh2+ 29. Kf2 Bg3+ 30. Kf3 Bxe1 31. Bxc8 Qg3+ 32. Ke2 Rxc8 33. Qf5 Re8+ 34. Kd1 Qb3+ 35. Kc1 Bd2+ 36. Kb1 Bc3 37. Qf2 Bxb2 38. Qxb2 Qd3+ 0-1

[Event "Duesseldorf Nord Cup 8th GrJ"]
[Site "Duesseldorf"]
[Date "2008.08.02"]
[Round "2"]
[White "Bolten, Harald"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1528"]
[BlackElo "1580"]
[PlyCount "88"]
[EventDate "2008.08.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d3 e6 8. Bf4 a6 9. Bd6 Re8 10. Bxc5 d6 11. Ba3 d5 12. cxd5 exd5 13. b3 Be6 14. Rc1 Rc8 15. Na4 Qa5 16. Rc5 b5 17. Bb2 Nd7 18. Bxg7 Kxg7 19. Qa1+ Kg8 20. Ng5 Nxc5 21. Nxc5 Nd8 22. Qd4 h6 23. Ngxe6 Nxe6 24. Nxe6 Rxe6 25. Bh3 f5 26. Qxd5 Qb6 27. b4 Rd8 28. Qb3 Kg7 29. Bg2 Rxe2 30. Qc3+ Qd4 31. Qa3 Rd6 32. Qc1 Qxd3 33. Bf3 Rc2 34. Qe1 Kf6 35. Bd1 Rc1 36. Qe8 Rxd1 37. Qf8+ Kg5 38. Qe7+ Rf6 39. Rxd1 Qxd1+ 40. Kg2 Qd5+ 41. Kh3 Qe6 42. Qc5 h5 43. Qc1+ f4+ 44. Kg2 Qc6+ 0-1

[Event "Duesseldorf Nord Cup 8th GrJ"]
[Site "Duesseldorf"]
[Date "2008.08.02"]
[Round "3"]
[White "Der, Josef"]
[Black "Henkemeier, Markus"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1580"]
[BlackElo "1570"]
[PlyCount "74"]
[EventDate "2008.08.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. Be2 e6 5. c4 c6 6. Qb3 Qc7 7. Nc3 a5 8. c5 Nbd7 9. Bd2 Ne4 10. Nxe4 dxe4 11. Ng1 Bxe2 12. Nxe2 Be7 13. Ng3 Nf6 14. Qc2 b6 15. cxb6 Qxb6 16. Bc3 Qb5 17. Nxe4 Nxe4 18. Qxe4 Bb4 19. Rc1 Bxc3+ 20. bxc3 0-0 21. Qc2 Rab8 22. c4 Qb4+ 23. Ke2 Qb2 24. Rhd1 Rb7 25. Rd2 Rfb8 26. Qxb2 Rxb2 27. Rcc2 R2b4 28. Kd3 a4 29. e4 Kf8 30. d5 Ke7 31. dxc6 Kd6 32. c7 Kxc7 33. Kc3 Kc6 34. Rd4 a3 35. c5 Rb2 36. Rdd2 R2b7 37. Rd3 Rb2 1/2-1/2

[Event "Duesseldorf Nord Cup 8th GrJ"]
[Site "Duesseldorf"]
[Date "2008.08.01"]
[Round "1"]
[White "Pfaff, Ditmar"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1575"]
[BlackElo "1580"]
[PlyCount "92"]
[EventDate "2008.08.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Ne7 5. Nf3 Bxc3+ 6. bxc3 c6 7. cxd5 exd5 8. Ba3 0-0 9. Bd3 h6 10. 0-0 Re8 11. Ne5 Nd7 12. Nf3 Qc7 13. Rc1 b5 14. Re1 a5 15. Rc2 Nf6 16. Ne5 Be6 17. Bc1 Qd6 18. f4 Bf5 19. Rce2 Bxd3 20. Qxd3 Ne4 21. Ng4 Qg6 22. Nf2 Nf5 23. Qc2 Nh4 24. Nxe4 Nf3+ 25. Kh1 Nxe1 26. Nf6+ gxf6 27. Qxg6+ fxg6 28. Rxe1 Re4 29. Bd2 b4 30. cxb4 axb4 31. Bxb4 Rxa2 32. g4 Rb2 33. Ba3 Rb3 34. Bc1 Rd3 35. Rf1 Rb3 36. Bd2 Re8 37. h4 Reb8 38. g5 hxg5 39. hxg5 Rb1 40. Kg2 Rxf1 41. Kxf1 fxg5 42. fxg5 Kf7 43. Kf2 Rb2 44. Ke1 Ke6 45. Ba5 Kf5 46. Bd2 Kxg5 0-1

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.07"]
[Round "7"]
[White "Der, Josef"]
[Black "Soehnchen, Andreas"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1784"]
[BlackElo "2087"]
[PlyCount "82"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 b6 5. Bg2 Bb7 6. 0-0 0-0 7. d3 Bxc3 8. bxc3 d6 9. e4 e5 10. Ba3 Re8 11. Rb1 Nc6 12. c5 dxc5 13. c4 Bc8 14. h3 Be6 15. Qd2 Qd7 16. Kh2 Rad8 17. Rbd1 Qc8 18. Qe2 Nd7 19. Ng5 Nf8 20. Nxe6 Nxe6 21. h4 Ned4 22. Qb2 Rd6 23. f4 Qd8 24. f5 a5 25. Qf2 Nb4 26. Bc1 Ndc6 27. Qe2 Nxd3 28. Be3 Ndb4 29. Rxd6 Qxd6 30. Rd1 Nd4 31. Qb2 f6 32. a3 Nbc6 33. g4 Qe7 34. g5 Nd8 35. Qf2 Kh8 36. Bh3 Nb7 37. Rc1 Nd6 38. Bg2 Qf7 39. Qf1 Qh5 40. Qf2 Qg4 41. Bxd4 exd4 0-1

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.07"]
[Round "6"]
[White "Rothkugel, Wolfgang"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "D50"]
[WhiteElo "2052"]
[BlackElo "1784"]
[PlyCount "42"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5 cxd4 6. Nxd4 Be7 7. cxd5 exd5 8. e3 a6 9. Rc1 0-0 10. a4 Be6 11. Bd3 Nbd7 12. 0-0 Ne5 13. h3 Qd7 14. f4 Nxd3 15. Qxd3 Qd6 16. Rfd1 h6 17. Bh4 Rfe8 18. e4 dxe4 19. Qe3 Qb4 20. Nxe4 Nxe4 21. Nxe6 Bxh4 0-1

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.06"]
[Round "5"]
[White "Der, Josef"]
[Black "Krebel, Christoph"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1784"]
[BlackElo "2098"]
[PlyCount "56"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 c6 6. 0-0 Nbd7 7. Nc3 e6 8. Bd2 Be7 9. Rfe1 0-0 10. e4 dxe4 11. Nxe4 Re8 12. Bc3 Nd5 13. Bd2 N5f6 14. Rad1 Qc7 15. b4 Rad8 16. Qb3 Nf8 17. Nxf6+ Bxf6 18. c3 Ng6 19. g3 h6 20. Be3 b6 21. Nd2 Qb7 22. Ne4 Be7 23. a3 c5 24. Nd2 cxb4 25. axb4 b5 26. Ra1 Rc8 27. Rec1 a6 28. Qb1 Nf8 1/2-1/2

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.06"]
[Round "4"]
[White "Der, Josef"]
[Black "Parolin, Thomas"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1784"]
[BlackElo "1385"]
[PlyCount "81"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. e5 c5 4. c3 Ne7 5. Bb5+ Nbc6 6. Nf3 Bd7 7. Bxc6 Nxc6 8. 0-0 Qc7 9. Be3 cxd4 10. cxd4 Be7 11. Nc3 a6 12. Rc1 f6 13. Nh4 0-0 14. Nf3 Be8 15. Qd2 Bh5 16. exf6 Bxf6 17. Bf4 Qd7 18. Ne5 Nxe5 19. dxe5 Bd8 20. Bg3 Ba5 21. Qd4 b5 22. b4 Bd8 23. Ne4 Be7 24. a3 Be2 25. Rfe1 Bc4 26. Nd2 Rab8 27. Nxc4 bxc4 28. Rxc4 Qa4 29. Rc3 Rfc8 30. Rec1 Rxc3 31. Qxc3 h6 32. h3 a5 33. Qc7 Re8 34. Qxa5 Qxa5 35. bxa5 Ra8 36. Rc6 Kf7 37. a6 Bxa3 38. f4 Bb2 39. Bf2 d4 40. Rc7+ Kf8 41. a7 1-0

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.05"]
[Round "3"]
[White "Bieker, Peter"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1241"]
[BlackElo "1784"]
[PlyCount "80"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Bd6 6. Nbd2 Nc6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 f5 11. Bd3 Qc7 12. Re1 Bd7 13. dxc5 Bxc5 14. Bc4 Rae8 15. Ng5 Nd8 16. g3 h6 17. Nf3 Bc8 18. Ne5 a6 19. Bf4 g5 20. Bc1 Rf6 21. b4 Bd6 22. Nf3 Qxc4 23. Qxd6 Qxc3 24. Be3 Nc6 25. a3 Rd8 26. Qc5 Qb3 27. Ne5 Rd5 28. Qc4 Qxc4 29. Nxc4 f4 30. Nb6 fxe3 31. Rxe3 Rd8 32. Nxc8 Rxc8 33. Rd1 Rcf8 34. Rf1 e5 35. Re4 Rf3 36. a4 Rb3 37. h4 Rxb4 38. Rxb4 Nxb4 39. a5 gxh4 40. gxh4 Rf4 0-1

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.05"]
[Round "2"]
[White "Der, Josef"]
[Black "Heimburger, Horst"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1784"]
[BlackElo "1447"]
[PlyCount "68"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nc6 3. e3 g6 4. Bb5 Bg7 5. 0-0 Nf6 6. c4 0-0 7. Nc3 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. d4 a6 11. Bxc6 bxc6 12. c5 Nd7 13. Bd2 f5 14. a3 Nf6 15. Be1 Qb8 16. b4 h5 17. Rb1 Ne4 18. Nxe4 dxe4 19. Qd1 Kf7 20. g4 hxg4 21. hxg4 Rh8 22. Rb2 Rh3 23. gxf5 Qh8 24. fxe6+ Ke7 25. Rg2 Rh1+ 26. Kf2 Qh4+ 27. Ke2 Qh5+ 28. Kd2 Qxd1+ 29. Kxd1 Rxf1 30. Rxg6 Bf6 31. Ke2 Rh1 32. f5 Rh5 33. Bg3 Rc8 34. Rg4 Rg5 0-1

[Event "Goch op 18th"]
[Site "Goch"]
[Date "2007.10.04"]
[Round "1"]
[White "Struk, Jerzy"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2229"]
[BlackElo "1784"]
[PlyCount "47"]
[EventDate "2007.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 e5 3. Nf3 Nc6 4. Bc4 h6 5. 0-0 Nf6 6. Re1 d6 7. d4 Bg4 8. Bb5 Qb6 9. Bxc6+ Qxc6 10. dxe5 dxe5 11. Nxe5 Bxd1 12. Nxc6 Ba4 13. Ne5 Rd8 14. b3 Bb5 15. c4 Ba6 16. Nc3 Be7 17. Nf3 0-0 18. e5 Ne8 19. Nd5 Rd7 20. Ba3 b6 21. Rad1 Bd8 22. h3 Kh8 23. e6 fxe6 24. Ne5 1-0

[Event "Duesseldorf Nord Cup 7th GrD"]
[Site "Duesseldorf"]
[Date "2007.08.12"]
[Round "4"]
[White "Der, Josef"]
[Black "Pfaff, Ditmar"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1574"]
[BlackElo "1552"]
[PlyCount "114"]
[EventDate "2007.08.10"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. b3 Nf6 4. Bb2 Nbd7 5. e3 Be7 6. d4 0-0 7. Bd3 b6 8. Nbd2 Bb7 9. Rc1 Rc8 10. 0-0 h6 11. Bb1 Ne4 12. Qc2 Ndf6 13. Nxe4 Nxe4 14. Ne5 f5 15. Ng6 Rf6 16. Nxe7+ Qxe7 17. f3 Nd6 18. c5 Ne8 19. b4 g5 20. Qd3 c6 21. Ba3 b5 22. Bb2 Rf7 23. e4 fxe4 24. fxe4 Nf6 25. exd5 Nxd5 26. Qg6+ Rg7 27. Qxh6 Rf8 28. Rxf8+ Kxf8 29. Rf1+ Ke8 30. Re1 Bc8 31. Bf5 Kd8 32. a3 Kc7 33. g3 Bd7 34. Qh3 g4 35. Qg2 Qf7 36. Be4 Qh5 37. Bd3 Rf7 38. Re5 Qh8 39. Be2 Qf8 40. Bxg4 Rg7 41. h3 Rg6 42. Bc1 Rf6 43. Bg5 Rf7 44. Bxe6 Bxe6 45. Rxe6 Rf3 46. Bc1 Qf5 47. g4 Qd3 48. Qh2+ Rg3+ 49. Kf2 Qf3+ 50. Ke1 Kd7 51. Re2 Nc3 52. Rd2 Qe3+ 53. Kf1 Ne4 54. Rc2 Rf3+ 55. Kg2 Rf2+ 56. Rxf2 Qxf2+ 57. Kh1 Ng3+ 0-1

[Event "Duesseldorf Nord Cup 7th GrD"]
[Site "Duesseldorf"]
[Date "2007.08.12"]
[Round "5"]
[White "Karthaeuser, Johannes"]
[Black "Der, Josef"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1539"]
[BlackElo "1574"]
[PlyCount "69"]
[EventDate "2007.08.10"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. d4 cxd4 5. cxd4 Bb4+ 6. Nc3 exd4 7. Nxd4 a6 8. Nf5 Qf6 9. Bd2 g6 10. Ne3 Nge7 11. Bc4 d6 12. 0-0 Qd4 13. a3 Ba5 14. b4 Bc7 15. Ned5 Bd8 16. Bb3 0-0 17. Qc2 Qg7 18. Qc1 Qh8 19. Bh6 Re8 20. Qf4 Nxd5 21. Bxd5 Be6 22. Rac1 Bf6 23. Bxe6 Rxe6 24. Nd5 Be5 25. Qg5 f6 26. Qd2 Rc8 27. Nb6 Rc7 28. Qd5 Kf7 29. Be3 Bb2 30. Rb1 Bxa3 31. Bd2 a5 32. Nc4 Bxb4 33. Bxb4 Nxb4 34. Nxd6+ Ke7 35. Qxa5 1-0

[Event "Duesseldorf Nord Cup 7th GrD"]
[Site "Duesseldorf"]
[Date "2007.08.11"]
[Round "2"]
[White "Der, Josef"]
[Black "Backes, Juergen"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1574"]
[BlackElo "1569"]
[PlyCount "77"]
[EventDate "2007.08.10"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 e6 5. d4 Bb4+ 6. Nbd2 Qa5 7. a3 Bxd2+ 8. Qxd2 Qxd2+ 9. Nxd2 0-0 10. e3 b6 11. c5 Ba6 12. Bxa6 Nxa6 13. b4 Rab8 14. 0-0 bxc5 15. dxc5 Nxc5 16. Bxf6 gxf6 17. bxc5 Rb2 18. Rfd1 Rd8 19. e4 d4 20. Nc4 Re2 21. Nd6 e5 22. f3 Rb8 23. Rab1 Rbb2 24. Rxb2 Rxb2 25. Nc8 Rb7 26. a4 Kf8 27. a5 Rb5 28. Nxa7 Rxc5 29. a6 Rc2 30. Rb1 d3 31. Rd1 Rc3 32. Nc8 c5 33. a7 Ra3 34. Rxd3 Ra1+ 35. Kf2 Ke8 36. Rc3 c4 37. Rxc4 Kd8 38. Rc2 Ra6 39. Kg3 1-0

[Event "Duesseldorf Nord Cup 7th GrD"]
[Site "Duesseldorf"]
[Date "2007.08.11"]
[Round "3"]
[White "Schaefer, Rolf"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1553"]
[BlackElo "1574"]
[PlyCount "128"]
[EventDate "2007.08.10"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. d4 e6 3. Nf3 d5 4. exd5 Qxd5 5. c4 Qe4+ 6. Be2 cxd4 7. Qxd4 Qxd4 8. Nxd4 a6 9. 0-0 Nf6 10. Nc3 Bd7 11. Bf3 Nc6 12. Nxc6 Bxc6 13. Bxc6+ bxc6 14. b3 Be7 15. Bb2 0-0 16. Rad1 Rad8 17. Rxd8 Rxd8 18. Rd1 Rxd1+ 19. Nxd1 Ne4 20. f3 Bc5+ 21. Kf1 Nd6 22. Ke2 a5 23. Kd3 Nf5 24. g3 Bg1 25. Bc3 Bxh2 26. g4 Nh4 27. Ke4 Bc7 28. a3 c5 29. Be5 Bb6 30. Nb2 g6 31. Nd3 f5+ 32. gxf5 Nxf5 33. b4 cxb4 34. axb4 axb4 35. Nxb4 Bc5 36. Nd3 Bg1 37. c5 Ne7 38. Bd6 Kf7 39. Ne5+ Ke8 40. c6 Nxc6 41. Nxc6 Kd7 42. Ke5 Bh2+ 43. f4 Bxf4+ 44. Kxf4 Kxd6 45. Nd8 Ke7 46. Nc6+ Kf6 47. Nb4 h6 48. Nd3 h5 49. Nf2 g5+ 50. Kf3 Kf5 51. Kg3 e5 52. Kf3 g4+ 53. Kg3 e4 54. Kh4 e3 55. Nd3 Ke4 56. Nc1 Kf4 57. Kxh5 Kg3 58. Kg5 Kf2 59. Nd3+ Ke2 60. Nf4+ Kf3 61. Nd3 g3 62. Ne1+ Kf2 63. Nd3+ Kf1 64. Nf4 g2 0-1

[Event "Duesseldorf Nord Cup 7th GrD"]
[Site "Duesseldorf"]
[Date "2007.08.10"]
[Round "1"]
[White "Der, Josef"]
[Black "Fichtner, Ewald"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1574"]
[BlackElo "1525"]
[PlyCount "100"]
[EventDate "2007.08.10"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. e3 Be7 5. Bd3 b6 6. Nc3 Bb7 7. cxd5 exd5 8. 0-0 0-0 9. Bd2 Nbd7 10. Rc1 Ne4 11. Qc2 Nxc3 12. bxc3 Nf6 13. Ng5 h6 14. Nh3 Ne4 15. Be1 c5 16. f3 Ng5 17. Nxg5 Bxg5 18. f4 Bf6 19. Qd1 cxd4 20. cxd4 Rc8 21. Rxc8 Qxc8 22. Bb1 Ba6 23. Rf3 Qc4 24. Qc2 Qxc2 25. Bxc2 Rc8 26. Bb3 Bc4 27. Rf2 Bxb3 28. axb3 Be7 29. Ra2 a5 30. Kf2 Kf8 31. Ke2 Ke8 32. Kd1 Kd7 33. g4 g6 34. h4 Ke6 35. Rc2 Rxc2 36. Kxc2 Kd7 37. Kd3 f5 38. g5 h5 39. Bf2 Bb4 40. Bg3 Kc6 41. Kc2 Kb5 42. Kb2 a4 43. bxa4+ Kxa4 44. Bf2 b5 45. e4 dxe4 46. Be3 Ba3+ 47. Ka2 b4 48. d5 b3+ 49. Ka1 Kb5 50. Kb1 Kc4 0-1

[Event "Goch op 17th"]
[Site "Goch"]
[Date "2006.10.15"]
[Round "7"]
[White "Densing, Gerd"]
[Black "Der, Josef"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "1892"]
[BlackElo "1777"]
[PlyCount "118"]
[EventDate "2006.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 Bg4 6. Be2 c6 7. h3 Bxf3 8. Bxf3 0-0 9. 0-0 Re8 10. e5 Nfd7 11. Kh1 dxe5 12. fxe5 e6 13. Ne4 Qc7 14. Nd6 Rf8 15. Qe2 Na6 16. c4 Nb6 17. c5 Nd5 18. Bxd5 cxd5 19. a3 Nb8 20. Qb5 Nc6 21. Qd3 b6 22. Nb5 Qd7 23. cxb6 axb6 24. Be3 Ra5 25. b4 Ra6 26. Nd6 Raa8 27. Qb5 Nxe5 28. dxe5 Qxb5 29. Nxb5 Bxe5 30. Ra2 Ra6 31. Rc2 Rd8 32. Rfc1 Kg7 33. Rc8 Rd7 34. R8c2 f5 35. Rd1 Kf7 36. Bd4 Bxd4 37. Rxd4 e5 38. Rd1 d4 39. Rdc1 d3 40. Rc7 Ke7 41. Kg1 d2 42. Rxd7+ Kxd7 43. Rd1 Kc6 44. Rxd2 Kxb5 45. Rd5+ Kc4 46. Rxe5 Rxa3 47. Re7 b5 48. Rxh7 Kxb4 49. Rh6 Rg3 50. Kf2 f4 51. Rh8 g5 52. h4 gxh4 53. Rxh4 Rc3 54. Rxf4+ Rc4 55. Rf8 Kb3 56. Kf3 b4 57. g4 Kc2 58. g5 b3 59. g6 b2 1/2-1/2

[Event "Goch op 17th"]
[Site "Goch"]
[Date "2006.10.15"]
[Round "6"]
[White "Der, Josef"]
[Black "Ayad, Amin"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1777"]
[BlackElo "2060"]
[PlyCount "63"]
[EventDate "2006.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. f4 d5 3. Nf3 c5 4. e3 Nc6 5. c3 g6 6. b3 Qa5 7. dxc5 Qxc5 8. b4 Qb6 9. a4 Bg7 10. a5 Qc7 11. Bd3 0-0 12. 0-0 e5 13. fxe5 Nxe5 14. Nxe5 Qxe5 15. h3 Ne4 16. Bxe4 dxe4 17. Ra2 Be6 18. Rd2 Qg5 19. Rf4 Bxh3 20. Qe1 Be5 21. Rf1 Rad8 22. Rc2 Bb8 23. Qf2 Bg4 24. Nd2 Qh5 25. g3 f5 26. Qh2 Bh3 27. Re1 Qg4 28. Kf2 Rxd2+ 29. Bxd2 Qf3+ 30. Kg1 Bxg3 31. Qxh3 Bf2+ 32. Kh2 1/2-1/2

[Event "Goch op 17th"]
[Site "Goch"]
[Date "2006.10.14"]
[Round "4"]
[White "Der, Josef"]
[Black "Azizi, Nassim"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1777"]
[BlackElo "1342"]
[PlyCount "68"]
[EventDate "2006.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 c5 4. b3 Nc6 5. Bb2 e6 6. c3 a6 7. d4 b5 8. Nbd2 c4 9. Be2 Be7 10. 0-0 Bd7 11. Re1 Qc7 12. Rc1 0-0 13. Ne5 Ne8 14. Ndf3 f6 15. Nxd7 Qxd7 16. Nd2 f5 17. Bf3 Nd6 18. bxc4 bxc4 19. Ba3 Rab8 20. Qa4 Ne5 21. Qxd7 Nxd7 22. Rb1 Rfc8 23. Bb4 Kf7 24. g4 g6 25. g5 Nb5 26. Bxe7 Kxe7 27. Rbc1 Na3 28. Nb1 Nxb1 29. Rxb1 Rxb1 30. Rxb1 Rb8 31. Rxb8 Nxb8 32. Kf2 Nd7 33. Ke2 Kd6 34. Kd2 Nb6 1/2-1/2

[Event "Goch op 17th"]
[Site "Goch"]
[Date "2006.10.14"]
[Round "5"]
[White "Kammann, Thomas"]
[Black "Der, Josef"]
[Result "0-1"]
[ECO "C66"]
[WhiteElo "1076"]
[BlackElo "1777"]
[PlyCount "138"]
[EventDate "2006.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nc6 3. Bb5 Bd7 4. 0-0 e5 5. d3 Nf6 6. Be3 Be7 7. Nc3 a6 8. Ba4 Na5 9. Bxd7+ Qxd7 10. Qd2 Nc6 11. a4 0-0 12. Ne2 Ng4 13. Bg5 Bxg5 14. Qxg5 h6 15. Qf5 Rad8 16. h3 Nf6 17. Qxd7 Nxd7 18. d4 exd4 19. Nexd4 Nxd4 20. Nxd4 Rde8 21. Rfe1 g6 22. g4 Re7 23. b4 Rfe8 24. f3 d5 25. b5 dxe4 26. bxa6 c5 27. Rab1 cxd4 28. Rxb7 Nc5 29. Rxe7 Rxe7 30. fxe4 Nxa6 31. Kf2 Nc5 32. a5 Nxe4+ 33. Kg2 f5 34. a6 Ra7 35. Ra1 Nc5 36. Ra5 Ne6 37. Kf3 fxg4+ 38. Kxg4 Kf7 39. h4 h5+ 40. Kf3 Nc7 41. Ke4 Rxa6 42. Rxa6 Nxa6 43. Kxd4 Ke6 44. Ke4 Nc5+ 45. Kf4 Kf6 46. c4 Ne6+ 47. Kg3 Kf5 48. Kf3 Ke5 49. Ke3 Nc5 50. Kf3 Ne6 51. Ke3 Ng7 52. Kd3 Nf5 53. c5 Kd5 54. c6 Kxc6 55. Ke4 Nxh4 56. Kf4 Ng2+ 57. Kg3 Ne3 58. Kh4 Kd6 59. Kg5 Ke5 60. Kh4 Kf4 61. Kh3 g5 62. Kh2 Kf3 63. Kh3 Kf2 64. Kh2 g4 65. Kh1 h4 66. Kh2 g3+ 67. Kh1 g2+ 68. Kh2 g1Q+ 69. Kh3 Qh1# 0-1

[Event "Goch op 17th"]
[Site "Goch"]
[Date "2006.10.13"]
[Round "2"]
[White "Der, Josef"]
[Black "Gijsbers, Egon"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "1777"]
[BlackElo "1485"]
[PlyCount "104"]
[EventDate "2006.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 d6 4. c4 g6 5. Be2 Bg7 6. Nc3 0-0 7. 0-0 e6 8. b3 cxd4 9. exd4 Nc6 10. Bb2 d5 11. Rb1 Re8 12. Ne5 Nd7 13. f4 dxc4 14. bxc4 Ndxe5 15. dxe5 b6 16. Nb5 Bf8 17. Bf3 Bb7 18. Qxd8 Rexd8 19. Rfd1 Bc5+ 20. Kh1 Kf8 21. Rxd8+ Nxd8 22. Bxb7 Nxb7 23. Bc3 Ke7 24. Rd1 Nd8 25. g4 Rc8 26. Rd3 Nc6 27. Rh3 Rd8 28. Rf3 Rd7 29. h4 a6 30. Nd6 Bxd6 31. exd6+ Rxd6 32. f5 Rd1+ 33. Kg2 Rc1 34. a4 gxf5 35. gxf5 exf5 36. Kg3 Rc2 37. Kf4 Ra2 38. Kxf5 Rxa4 39. Bf6+ Kd6 40. Rf4 Ne7+ 41. Kg5 Ra5+ 42. Kh6 Ng6 43. Rf2 Ke6 44. h5 Nf8 45. Kg7 Nd7 46. Re2+ Kf5 47. h6 Nxf6 48. Rf2+ Kg5 49. Rxf6 Rc5 50. Rxb6 Rxc4 51. Rxa6 Rc7 52. Kxh7 f6+ 1/2-1/2

