[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.10.29"]
[Round "6"]
[White "Derz, Claus"]
[Black "Berndt, Ronald"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "1682"]
[BlackElo "1727"]
[PlyCount "131"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. Qb3 a5 9. 0-0 0-0 10. Nh4 Bg4 11. f4 Nd5 12. Nf3 Nd7 13. Ne5 Nxe5 14. fxe5 f5 15. Nxd5 cxd5 16. Bb5 Rf7 17. Qd3 Rc7 18. Bd2 Qe7 19. Rfc1 Rac8 20. Bc3 Qg5 21. Qd2 Bf3 22. Bf1 Bxc3 23. Rxc3 Rxc3 24. bxc3 Bh5 25. Rb1 Qe7 26. Qb2 Be8 27. Qb3 Bc6 28. c4 dxc4 29. Bxc4 Kf7 30. d5 exd5 31. Bxd5+ Kg6 32. e6 Qc5 33. Bf3 Rc7 34. Bxc6 bxc6 35. Rd1 Re7 36. Rd3 Qe5 37. Qc4 Rxe6 38. Kf2 Qe4 39. Qb3 f4 40. exf4 Qxf4+ 41. Rf3 Qh4+ 42. Rg3+ Kf7 43. Qb7+ Qe7 44. Rf3+ Kg8 45. Qb3 Qh4+ 46. Rg3 Qd4+ 47. Kf1 Qe5 48. Qd1 Rf6+ 49. Kg1 Qc5+ 50. Kh1 Qd5 51. Rd3 Qf5 52. Rf3 Qd5 53. Rd3 Qe6 54. h3 Kf7 55. Rd7+ Kg6 56. Qd3+ Qf5 57. Qg3+ Qg5 58. Rxg7+ Kxg7 59. Qxg5+ Rg6 60. Qxa5 Kf6 61. Qc5 Kf7 62. a5 Ke8 63. a6 Kd7 64. a7 Rg8 65. Qb6 c5 66. Qb8 1-0

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.10.09"]
[Round "4"]
[White "Lohmar, Joerg"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2183"]
[BlackElo "1682"]
[PlyCount "135"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bc4 Bg4 7. h3 Bh5 8. Bd2 Qc7 9. g4 Bg6 10. Ne5 e6 11. f4 Be4 12. Nxe4 Nxe4 13. Bd3 Nxd2 14. Qxd2 Nd7 15. 0-0-0 Nxe5 16. dxe5 0-0-0 17. Qe3 Qa5 18. Kb1 Bc5 19. Qe2 Qb6 20. c3 h6 21. Bc4 Qc7 22. f5 Qe7 23. fxe6 fxe6 24. Rxd8+ Rxd8 25. Rd1 Rxd1+ 26. Qxd1 b5 27. Bb3 Kc7 28. Qf3 a5 29. a4 b4 30. Kc2 Kb6 31. Qe4 Qf7 32. Bc4 Qf2+ 33. Be2 bxc3 34. bxc3 Be3 35. Qd3 Qf4 36. Qa6+ Kc7 37. Qxa5+ Bb6 38. Qb4 Qxe5 39. Qe7+ Kb8 40. Ba6 Qc7 41. Qxe6 Ka7 42. Be2 Ba5 43. Qc4 Qb6 44. Qf7+ Qc7 45. Qc4 Qb6 46. Qe4 Qc7 47. Bf3 Kb7 48. Qf5 Qh2+ 49. Kb3 Qc7 50. Be4 Qb6+ 51. Kc2 Qc7 52. h4 Qh2+ 53. Kb3 Qc7 54. g5 Qd8 55. Qf7+ Kb6 56. Qxg7 Qd1+ 57. Bc2 Qd5+ 58. Kb2 hxg5 59. hxg5 Ka6 60. Qg6 Bd8 61. Qd3+ Qxd3 62. Bxd3+ Ka5 63. g6 Bf6 64. Bc2 c5 65. Kb3 Kb6 66. Kc4 Ka5 67. Kxc5 Bxc3 68. Kd5 1-0

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.10.02"]
[Round "3"]
[White "Derz, Claus"]
[Black "Musielak, Manfred"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1682"]
[BlackElo "1554"]
[PlyCount "55"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. a4 Nf6 5. e4 e6 6. Bxc4 Bb4 7. f3 b6 8. Nge2 Ba6 9. Qb3 c5 10. 0-0 0-0 11. Bg5 h6 12. Bh4 g5 13. Bf2 Qc8 14. Nb5 Qd8 15. d5 e5 16. Rfd1 Bxb5 17. axb5 a5 18. Ng3 Ne8 19. Nf5 Ra7 20. d6 Kh7 21. Bxf7 Ng7 22. Ne7 Rxe7 23. dxe7 Qd7 24. e8Q Nxe8 25. Rxd7 Nxd7 26. Qe6 Ng7 27. Qg6+ Kh8 28. Qxh6# 1-0

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.09.25"]
[Round "2"]
[White "Abraham, Ingo"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2227"]
[BlackElo "1682"]
[PlyCount "63"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 e5 4. g3 g6 5. d3 Bg7 6. Bg2 Nge7 7. 0-0 0-0 8. Ne1 f5 9. f4 d6 10. Nc2 Rb8 11. Ne3 Be6 12. Ned5 a6 13. fxe5 dxe5 14. Be3 b6 15. Qa4 Qc8 16. a3 Kh8 17. b4 Bxd5 18. Nxd5 f4 19. Bf2 b5 20. Nxe7 Nxe7 21. Qc2 cxb4 22. axb4 e4 23. Bxe4 Bxa1 24. Rxa1 bxc4 25. dxc4 fxg3 26. hxg3 Qh3 27. Rxa6 Rxf2 28. Qc3+ Kg8 29. Kxf2 Rf8+ 30. Rf6 Qh2+ 31. Bg2 Re8 32. Qe5 1-0

[Event "Berlin Eckbauer op 10th"]
[Site "Berlin"]
[Date "2007.09.18"]
[Round "1"]
[White "Derz, Claus"]
[Black "Mahler, Sonja"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1682"]
[BlackElo "1438"]
[PlyCount "89"]
[EventDate "2007.08.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bf4 Be7 6. e3 Qa5 7. Qc2 Na6 8. Be2 Nb4 9. Qd2 0-0 10. 0-0 dxc4 11. Bxc4 Nbd5 12. Bg3 Bb4 13. Bxd5 Nxd5 14. Rfc1 Nf6 15. Qc2 Bd7 16. a3 Be7 17. Ne5 Be8 18. h3 Rc8 19. b4 Qd8 20. Ne4 Nxe4 21. Qxe4 Bd6 22. Bh4 Qc7 23. Nc4 Bd7 24. Nxd6 Qxd6 25. Bg3 Qe7 26. Qc2 a6 27. Qc5 Qxc5 28. bxc5 Ra8 29. Rab1 Bc8 30. a4 Rd8 31. a5 Rd7 32. Bd6 f6 33. f4 Kf7 34. e4 g6 35. g4 Rd8 36. Re1 Re8 37. Kf2 Ra7 38. Kg3 Ra8 39. f5 e5 40. dxe5 fxe5 41. fxg6+ hxg6 42. Rf1+ Ke6 43. g5 Rg8 44. Rf6+ Kd7 45. Rbf1 1-0

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2005.10.24"]
[Round "7"]
[White "Derz, Claus"]
[Black "Valamanesh, Habib"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1673"]
[BlackElo "1396"]
[PlyCount "143"]
[EventDate "2005.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bf4 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. e3 Bxd2+ 10. Qxd2 d6 11. Be2 Be6 12. Qc3 f6 13. 0-0 0-0 14. b4 Qf7 15. Bxe5 fxe5 16. Rac1 c6 17. f4 e4 18. Qd4 d5 19. cxd5 Bxd5 20. Qd1 Rad8 21. Qe1 Qe7 22. Qg3 a5 23. Rb1 axb4 24. Rxb4 c5 25. Rbb1 Ra8 26. Ra1 c4 27. a4 Ra5 28. Rfc1 Qf6 29. Qe1 Rfa8 30. Bxc4 Bxc4 31. Rxc4 b5 32. Rxe4 bxa4 33. Ra3 Qb2 34. Qb4 Qxb4 35. Rxb4 R5a6 36. e4 Kf7 37. Kf2 g5 38. f5 h5 39. h3 Kf6 40. Kf3 Ke5 41. g4 h4 42. Ke3 R6a7 43. Rb6 Ra6 44. Rb4 R6a7 45. Rd4 Ra6 46. Kd3 R6a7 47. Kc3 Rc7+ 48. Rc4 Rca7 49. Rc6 Ra6 50. Rxa6 Rxa6 51. Kb4 Kxe4 52. Rxa4 Rf6 53. Kb5+ Kf3 54. Kc4 Kg3 55. Ra3+ Kf4 56. Kd5 Rh6 57. Rc3 Ra6 58. Kc4 Ke5 59. Re3+ Kf6 60. Kb5 Rd6 61. Rc3 Rd5+ 62. Kb6 Rd8 63. Kc7 Rd1 64. Re3 Rc1+ 65. Kd7 Rd1+ 66. Ke8 Rd6 67. Re7 Rd3 68. Re6+ Kg7 69. f6+ Kh7 70. f7 Rf3 71. f8Q Rf6 72. Re7+ 1-0

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2005.10.17"]
[Round "6"]
[White "Adam, Hanna"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1458"]
[BlackElo "1673"]
[PlyCount "107"]
[EventDate "2005.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. c3 Nc6 5. e3 Bg4 6. Nbd2 e6 7. Be2 Bd6 8. Bg3 c4 9. Ne5 Bf5 10. 0-0 Qc7 11. Qa4 a6 12. Nxc6 bxc6 13. Bxd6 Qxd6 14. Nf3 0-0 15. Ne5 c5 16. Qc6 Qxc6 17. Nxc6 Rfe8 18. b3 Rac8 19. Ne5 Ne4 20. Rfc1 cxb3 21. axb3 Nd2 22. Rxa6 Nxb3 23. Re1 c4 24. Ra7 Bg6 25. h4 f6 26. Nxg6 hxg6 27. Rb1 Ra8 28. Rxa8 Rxa8 29. Bd1 Ra1 30. Rxa1 Nxa1 31. Kf1 Nb3 32. Ke2 Na5 33. Ba4 Kf8 34. f3 Ke7 35. e4 Kd6 36. Ke3 e5 37. Be8 g5 38. hxg5 fxg5 39. Bf7 exd4+ 40. Kxd4 Nc6+ 41. Ke3 dxe4 42. Kxe4 Ne5 43. Bg8 Ng6 44. Bxc4 Kc5 45. Bf1 Nf4 46. g3 Nd5 47. Kd3 Nf6 48. g4 Nd5 49. c4 Nb6 50. Ke4 g6 51. Ke5 Nd7+ 52. Ke6 Kc6 53. Be2 Kc7 54. Kf7 1-0

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2005.10.10"]
[Round "5"]
[White "Derz, Claus"]
[Black "Bader, Arnd"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1673"]
[BlackElo "1891"]
[PlyCount "52"]
[EventDate "2005.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 0-0 6. e3 Nbd7 7. Bd3 c5 8. h3 dxc4 9. Bxc4 cxd4 10. exd4 Nb6 11. Bb3 Nbd5 12. Bg3 Nxc3 13. bxc3 Ne4 14. Qd3 Nxg3 15. fxg3 Bf6 16. Bc2 g6 17. 0-0 Qe7 18. Nd2 Bg7 19. g4 Bd7 20. Rae1 Rad8 21. Ne4 Bc6 22. Qg3 Bxe4 23. Bxe4 Qa3 24. Rf3 Qa5 25. Rd1 Qxa2 26. Bxb7 Qb3 0-1

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2005.09.26"]
[Round "4"]
[White "Kiesewalter, Frank"]
[Black "Derz, Claus"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1506"]
[BlackElo "1673"]
[PlyCount "122"]
[EventDate "2005.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nc6 5. Nc3 Be6 6. Bb5 Bd6 7. Be3 Nge7 8. Qd2 a6 9. Bxc6+ Nxc6 10. Ng5 Qf6 11. Nxe6 Qxe6 12. 0-0-0 0-0 13. Rhe1 Qf5 14. a3 b5 15. Qd3 Qxd3 16. Rxd3 Ne7 17. g3 c6 18. Bg5 Ng6 19. h4 h6 20. Bd2 a5 21. Rde3 Rfc8 22. h5 Nf8 23. Ne2 b4 24. Rf3 bxa3 25. bxa3 Ne6 26. Bf4 Be7 27. Rb3 c5 28. Rb7 Bf6 29. Be5 cxd4 30. Bxf6 gxf6 31. Kd2 Rc4 32. Reb1 Rac8 33. R1b2 Kg7 34. f4 Nc5 35. R7b5 Na4 36. Ra2 Nc3 37. Nxc3 dxc3+ 38. Kd3 R8c5 39. Rb1 Re4 40. Rf1 Rcc4 41. Rg1 Red4+ 42. Ke3 Rd2 43. Kf3 Re4 44. Rg2 a4 45. Rg1 Ree2 46. g4 d4 47. g5 Re3+ 48. Kg4 fxg5 49. fxg5 hxg5 50. Kxg5 Ree2 51. Kf5+ Rg2 52. Raa1 Rxc2 53. Rae1 Kh6 54. Rxg2 Rxg2 55. Re8 Rf2+ 56. Kg4 d3 57. Kg3 Re2 58. Rh8+ Kg7 59. Rc8 d2 60. Rd8 c2 61. h6+ Kxh6 0-1

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2005.09.19"]
[Round "3"]
[White "Derz, Claus"]
[Black "Fuchs, Joerg"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1673"]
[BlackElo "1609"]
[PlyCount "74"]
[EventDate "2005.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 Nf6 3. e3 d5 4. Bxf6 exf6 5. c4 Bb4+ 6. Nc3 0-0 7. Qb3 Bxc3+ 8. bxc3 dxc4 9. Bxc4+ Kh8 10. Ne2 Nd7 11. Nf4 Nb6 12. Bd3 Qe7 13. 0-0 c6 14. c4 g5 15. Ne2 Be6 16. Qc2 Qd7 17. a4 Rg8 18. f4 Rg6 19. Ng3 Rag8 20. a5 Nc8 21. fxg5 Rxg5 22. Bxf5 h5 23. Rf2 Nd6 24. Bd3 h4 25. Ne4 Nxe4 26. Bxe4 Qg7 27. Ra2 h3 28. g3 f5 29. Bf3 f4 30. exf4 Bf5 31. Be4 Rxg3+ 32. hxg3 Qxg3+ 33. Kf1 Qg1+ 34. Ke2 Re8 35. Rf1 Qg4+ 36. Kd2 Rxe4 37. Qd1 Rxd4+ 0-1

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2005.09.12"]
[Round "2"]
[White "Schulz, Michael2222"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2163"]
[BlackElo "1673"]
[PlyCount "83"]
[EventDate "2005.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nf6 3. Bxf6 exf6 4. e3 Bf5 5. Bd3 Bxd3 6. Qxd3 c6 7. Nd2 Nd7 8. Ngf3 Bd6 9. 0-0 0-0 10. e4 Re8 11. Rfe1 Bf4 12. exd5 Rxe1+ 13. Rxe1 cxd5 14. Qf5 Bxd2 15. Nxd2 Nb6 16. b3 Rc8 17. c4 g6 18. Qd3 Qd7 19. c5 Na8 20. Qe3 Kg7 21. a4 Nc7 22. Nf3 Ne6 23. h4 b6 24. cxb6 axb6 25. Rc1 Rc6 26. g3 Qc7 27. Rxc6 Qxc6 28. Kg2 Qc2 29. g4 Qe4 30. Kg3 h6 31. Qxe4 dxe4 32. d5 Nc7 33. d6 Ne6 34. Nd2 f5 35. gxf5 gxf5 36. Nc4 Kf8 37. Nxb6 f4+ 38. Kg2 Nd4 39. Nd7+ Kg7 40. Nc5 f5 41. d7 Nc6 42. Ne6+ 1-0

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2005.09.05"]
[Round "1"]
[White "Derz, Claus"]
[Black "Lakowitz, Detlev"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1673"]
[PlyCount "29"]
[EventDate "2005.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 Bf5 3. Nc3 Nf6 4. Qb3 b6 5. cxd5 Qd6 6. f3 Nbd7 7. e4 0-0-0 8. Nb5 g6 9. Nxd6+ exd6 10. Ba6+ Kb8 11. exf5 gxf5 12. Qc4 Re8+ 13. Ne2 Rg8 14. Qc6 Rd8 15. Qb7# 1-0

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2004.10.18"]
[Round "7"]
[White "Derz, Claus"]
[Black "Vasic, Obrad"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1738"]
[BlackElo "1503"]
[PlyCount "106"]
[EventDate "2004.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Bb4 5. Qc2 c6 6. Nf3 Nbd7 7. e3 Ne4 8. Nd2 Ndf6 9. f3 Nxd2 10. Qxd2 Nh5 11. Bg3 Nxg3 12. hxg3 Bd6 13. f4 f5 14. Be2 g6 15. g4 fxg4 16. Bxg4 dxc4 17. Ne4 Qe7 18. a3 Bd7 19. Ng5 h6 20. Qc2 Qf6 21. Ne4 Qe7 22. Qxc4 0-0-0 23. g3 g5 24. 0-0-0 Kb8 25. Rh2 Rc8 26. b4 b6 27. Kb1 a5 28. bxa5 b5 29. Qb3 Bxa3 30. Ra2 Bb4 31. Rc1 h5 32. Be2 g4 33. Nc5 Bxc5 34. Rxc5 h4 35. gxh4 Qxh4 36. Bd3 Qe1+ 37. Rc1 Qxe3 38. Re2 Qxd4 39. Re4 Qa7 40. Rxe6 Bxe6 41. Qxe6 Qxa5 42. Rxc6 Rxc6 43. Qxc6 Qb4+ 44. Ka1 Qa3+ 45. Kb1 Qxd3+ 46. Ka1 Rh2 47. Qb6+ Kc8 48. Qa6+ Kd7 49. Qb7+ Ke6 50. Qb6+ Kd5 51. Qd8+ Ke4 52. Qe7+ Kf3 53. Qb7+ Kg3 0-1

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2004.10.11"]
[Round "6"]
[White "Roeckendorf, Uwe"]
[Black "Derz, Claus"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "1562"]
[BlackElo "1738"]
[PlyCount "102"]
[EventDate "2004.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf5 d6 6. Nc3 h6 7. Ne3 Nf6 8. Ned5 Nxd5 9. Nxd5 Ne7 10. Bc4 Nxd5 11. Bxd5 Be7 12. Be3 0-0 13. 0-0 Kh8 14. f4 f6 15. f5 Bd7 16. Bxb7 Rb8 17. Ba6 Rxb2 18. Bc4 Rb4 19. Bd5 Qc7 20. c4 Be6 21. Qd2 Rfb8 22. Rfc1 Qb7 23. Rc2 Bxd5 24. Qxd5 Rb1+ 25. Rc1 Rxa1 26. Rxa1 Qb2 27. Rc1 Qxa2 28. c5 Qe2 29. Bf2 dxc5 30. Rd1 Qb5 31. Re1 Rd8 32. Qf7 Bf8 33. h4 c4 34. Qc7 Rd2 35. Qf7 Qb4 36. g4 c3 37. g5 Qe7 38. Qc4 c2 39. Be3 Rd1 40. Qe2 Qd7 41. Kf1 Bb4 42. Qxc2 Rxe1+ 43. Kf2 Rd1 44. gxf6 gxf6 45. Qb3 Bf8 46. Qb8 Qd8 47. Qb7 Rd7 48. Qc6 Ba3 49. Bb6 Rd2+ 50. Kf3 Qd3+ 51. Kg4 Qe2+ 0-1

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2004.10.04"]
[Round "5"]
[White "Derz, Claus"]
[Black "Pfeiffer, Joerg"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1738"]
[BlackElo "1596"]
[PlyCount "60"]
[EventDate "2004.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. Nd2 Bg7 9. e4 Bxf1 10. Nxf1 Qa5 11. Bd2 Qa6 12. Ne3 Nbd7 13. Qe2 0-0 14. Qxa6 Rxa6 15. 0-0 Nb6 16. f3 Nfd7 17. f4 Rfa8 18. a3 Na4 19. Ned1 Ndb6 20. Nb5 Nc4 21. Bc3 Nxc3 22. Ndxc3 Nxb2 23. Rac1 Na4 24. Ne2 Ra5 25. Nbc3 Nxc3 26. Nxc3 Rxa3 27. Ne2 Ra1 28. Nc3 Bd4+ 29. Kh1 Rxc1 30. Rxc1 Bxc3 0-1

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2004.09.27"]
[Round "4"]
[White "Tamm, Wolfgang"]
[Black "Derz, Claus"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1547"]
[BlackElo "1738"]
[PlyCount "94"]
[EventDate "2004.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Bf5 3. Bf4 a6 4. e3 e6 5. a3 Nf6 6. Bg5 Be7 7. Bd3 Bxd3 8. Qxd3 Nbd7 9. Nf3 c5 10. 0-0 0-0 11. Ne5 Nxe5 12. dxe5 Nd7 13. Bxe7 Qxe7 14. f4 Rfd8 15. Rad1 Nb6 16. f5 Qg5 17. Rf3 Nc4 18. Rg3 Qxf5 19. Qxf5 exf5 20. Rxd5 Rxd5 21. Nxd5 Kf8 22. e6 fxe6 23. Nc7 Rc8 24. Nxe6+ Kf7 25. Ng5+ Kg8 26. e4 h6 27. Ne6 fxe4 28. Rxg7+ Kh8 29. Re7 b5 30. Nf4 Nxb2 31. Rxe4 Rc6 32. Kf2 Nc4 33. a4 Na3 34. axb5 axb5 35. Re6 Rxe6 36. Nxe6 c4 37. Nd4 b4 38. Ke2 Kg7 39. Kd2 Kf6 40. Nc6 b3 41. cxb3 cxb3 42. Kc3 b2 43. Kxb2 Nc4+ 44. Kc3 Ne3 45. Kd3 Nxg2 46. Ke4 Kg5 47. Kf3 Nh4+ 1/2-1/2

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2004.09.20"]
[Round "3"]
[White "Derz, Claus"]
[Black "Von Muenchhausen, Kai"]
[Result "1-0"]
[ECO "D88"]
[WhiteElo "1738"]
[BlackElo "1491"]
[PlyCount "77"]
[EventDate "2004.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Be3 0-0 9. Ne2 cxd4 10. cxd4 Nc6 11. 0-0 b6 12. Rc1 Bb7 13. f3 Na5 14. Bb5 Rc8 15. Qd2 e6 16. Rxc8 Bxc8 17. Rc1 a6 18. Bd3 Qe7 19. d5 exd5 20. Bxb6 Nc4 21. Bxc4 dxc4 22. Rxc4 Be6 23. Rc7 Qf6 24. Rc2 Rc8 25. Rxc8+ Bxc8 26. Bd4 Qe6 27. Bxg7 Kxg7 28. Qb2+ Kg8 29. Nf4 Qc6 30. Nd5 Qc4 31. Ne7+ Kf8 32. Nxc8 Qc5+ 33. Kh1 Ke8 34. Nb6 h5 35. Nd5 Qd6 36. Qb7 Kf8 37. Qb4 Qxb4 38. Nxb4 Kg7 39. Nxa6 1-0

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2004.09.13"]
[Round "2"]
[White "Litfin, Boris"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1551"]
[BlackElo "1738"]
[PlyCount "45"]
[EventDate "2004.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bd2 Bf5 6. Nf3 Qc7 7. g3 e6 8. Bg2 Nf6 9. 0-0 Nbd7 10. Re1 0-0-0 11. Rc1 h6 12. Ne2 g5 13. c4 Nb6 14. Ba5 c5 15. Qb3 g4 16. Ne5 h5 17. Nc3 Rh7 18. Nb5 Qb8 19. Nxa7+ Qxa7 20. Bxb6 Qa6 21. Bxd8 Kxd8 22. dxc5 Bxc5 23. Bxb7 1-0

[Event "Berlin op 09"]
[Site "Berlin"]
[Date "2004.09.06"]
[Round "1"]
[White "Derz, Claus"]
[Black "Berger, Steve"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1738"]
[BlackElo "2319"]
[PlyCount "68"]
[EventDate "2004.09.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5 6. Nf3 Nf6 7. e3 Qa5 8. Bd2 d6 9. Bd3 Nbd7 10. 0-0 Nb6 11. a4 Bd7 12. Ra3 0-0-0 13. Qa1 e6 14. Rb1 exd5 15. Rb5 Qa6 16. a5 Nxc4 17. Rb2 Qc6 18. Bxc4 dxc4 19. Ng5 Rhf8 20. f3 h6 21. Nh3 g5 22. Nf2 g4 23. f4 h5 24. a6 b6 25. Rb1 h4 26. Ra2 h3 27. gxh3 gxh3 28. Nxh3 Rh8 29. Ng5 Ne4 30. Be1 Nxg5 31. fxg5 Qe4 32. Bg3 Qxe3+ 33. Rf2 Bc6 34. Re1 Qxg3+ 0-1

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2003.11.24"]
[Round "7"]
[White "Krempel, Thomas"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1901"]
[BlackElo "1684"]
[PlyCount "71"]
[EventDate "2003.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 Be7 7. Be3 Bg5 8. f4 Bh4+ 9. Kd2 h5 10. Ng3 hxg4 11. Qxg4 Bxg3 12. Qxg3 Ne7 13. Qe1 Nf5 14. Bf2 Qa5 15. Rd1 c5 16. Kc1 c4 17. Bg2 Nc6 18. a3 Rb8 19. h4 b5 20. Ne2 b4 21. Rh3 c3 22. bxc3 Qxa3+ 23. Kd2 Qb2 24. Rb1 Qa2 25. Qc1 0-0 26. h5 Bh7 27. Ra1 Qc4 28. Bf1 Qb5 29. Ng1 bxc3+ 30. Rxc3 Qb6 31. Ra6 Qb4 32. Raxc6 Nxd4 33. Bxd4 Qxd4+ 34. Bd3 Qxf4+ 35. Kd1 Bxd3 36. Qxf4 1-0

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2003.11.17"]
[Round "6"]
[White "Derz, Claus"]
[Black "Giese, Reinhard"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1684"]
[BlackElo "2144"]
[PlyCount "70"]
[EventDate "2003.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nh6 7. Be2 d6 8. f3 f5 9. 0-0 0-0 10. Qd2 f4 11. Bf2 g5 12. Nxc6 bxc6 13. Bd4 Nf7 14. Bxg7 Kxg7 15. Qd4+ e5 16. Qd2 Qb6+ 17. Kh1 Rb8 18. b3 Qd4 19. Qc3 h5 20. Rd1 Qc5 21. Qe1 Be6 22. Nc3 Qb6 23. Rd3 c5 24. Rad1 a6 25. Na4 Qc7 26. R1d2 Rh8 27. Qd1 Qe7 28. Nc3 Rh6 29. Nd5 Qd8 30. Qa1 Rg6 31. Qe1 g4 32. Nc3 Qe7 33. Nd5 Qd8 34. Nc3 g3 35. Bf1 Qh4 0-1

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2003.11.03"]
[Round "4"]
[White "Block, Marco"]
[Black "Derz, Claus"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1545"]
[BlackElo "1684"]
[PlyCount "80"]
[EventDate "2003.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 c6 7. Rb1 Nbd7 8. c4 e6 9. b4 dxc4 10. Nxc4 Nb6 11. Qb3 Nfd5 12. Bd2 h6 13. Rfc1 Nxc4 14. dxc4 Nc7 15. Bc3 Bxc3 16. Qxc3 Qe7 17. e4 Rb8 18. a4 b6 19. Qe3 Kh7 20. h4 e5 21. c5 b5 22. a5 Bg4 23. Nd2 Rbd8 24. f4 f6 25. Rf1 Na6 26. Bf3 Qd7 27. Bxg4 Qxg4 28. Kh2 Kg7 29. fxe5 fxe5 30. Nf3 Qe6 31. Qc3 Rfe8 32. Rbc1 Nb8 33. Rf2 Re7 34. Qa1 g5 35. g4 Qxg4 36. Nxe5 Qxh4+ 37. Kg1 Qg3+ 38. Kh1 Qxe5 39. Rf7+ Kxf7 40. Qa2+ Kg7 0-1

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2003.10.27"]
[Round "3"]
[White "Derz, Claus"]
[Black "Focke, Wolfgang"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "1684"]
[BlackElo "1521"]
[PlyCount "101"]
[EventDate "2003.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Qc2 Bb4 8. Nd2 dxc4 9. Bxf6 Nxf6 10. Bxc4 Bxc3 11. bxc3 0-0 12. 0-0 Qc7 13. h3 h6 14. a4 b6 15. Be2 Bb7 16. Rfc1 c5 17. Bf3 Bxf3 18. Nxf3 Rac8 19. Qb2 Rfd8 20. Qb5 Ne4 21. a5 Nd6 22. axb6 axb6 23. Qb3 Ra8 24. Rxa8 Rxa8 25. Rb1 b5 26. Nd2 c4 27. Qb2 Qa5 28. e4 Qa2 29. e5 Qxb2 30. Rxb2 Ra1+ 31. Kh2 Nf5 32. Rxb5 Ra2 33. Nxc4 Rxf2 34. Rb2 Rf1 35. Nd6 Ne3 36. Re2 Nd1 37. c4 h5 38. g3 Rf3 39. Rd2 Ne3 40. Ra2 g5 41. c5 g4 42. h4 Nf1+ 43. Kg1 Nxg3 44. Rc2 Nf5 45. Nxf5 exf5 46. c6 Rg3+ 47. Kf2 f4 48. c7 Rf3+ 49. Ke2 Rh3 50. c8Q+ Kh7 51. Qf5+ 1-0

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2003.10.20"]
[Round "2"]
[White "Adam, Hanna"]
[Black "Derz, Claus"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1547"]
[BlackElo "1684"]
[PlyCount "136"]
[EventDate "2003.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. Bd3 Bg4 5. Nbd2 e6 6. c3 Nbd7 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bg5 Be7 11. Bxf6 Bxf6 12. Qc2 Bh5 13. 0-0 Bg6 14. Rad1 Qc7 15. Rfe1 0-0-0 16. b4 Rhe8 17. Bxg6 hxg6 18. a4 g5 19. Qe4 Rh8 20. Ne5 Rh4 21. Qe2 Rdh8 22. h3 Bxe5 23. dxe5 g4 24. Rd3 gxh3 25. gxh3 Rxh3 26. Rxh3 Rxh3 27. Qg4 Rh6 28. Qe4 Qe7 29. Kf1 Qh4 30. Qe3 Qh3+ 31. Ke2 Qxe3+ 32. Kxe3 Rh3+ 33. f3 Kd7 34. Rd1+ Ke7 35. Rg1 g6 36. Ke4 Rh2 37. Kd3 Kf8 38. Ke3 Ke7 39. Kd3 Rh6 40. Ke4 Rh8 41. f4 Rh3 42. Rc1 b6 43. Kd4 Rh2 44. Ke3 Ra2 45. a5 bxa5 46. bxa5 Rxa5 47. Rb1 Rb5 48. Ra1 a5 49. Kd4 Rd5+ 50. Kc4 g5 51. fxg5 Rxe5 52. Rg1 Kd6 53. Rf1 Rxg5 54. Rxf7 Rc5+ 55. Kd3 e5 56. Ra7 Ke6 57. c4 e4+ 58. Kd4 Re5 59. Ra8 c5+ 60. Ke3 Kf5 61. Rxa5 Ke6 62. Ra8 Kd7 63. Rh8 Re6 64. Rh4 Re7 65. Rxe4 Rxe4+ 66. Kxe4 Ke6 67. Kf4 Kd6 68. Kf5 Kd7 1/2-1/2

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2003.10.13"]
[Round "1"]
[White "Derz, Claus"]
[Black "Schulz, Michael"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "1684"]
[BlackElo "2217"]
[PlyCount "86"]
[EventDate "2003.10.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 a6 10. a4 Bg4 11. h3 Bxf3 12. Bxf3 Nbd7 13. Bf4 Qc7 14. Qc2 Rfe8 15. Rfe1 Rab8 16. a5 Ne5 17. Bxe5 Rxe5 18. e4 Nd7 19. Bg2 b5 20. axb6 Rxb6 21. Nd1 Re8 22. Ra2 Reb8 23. Re2 Qb7 24. Qa4 Ne5 25. Qc2 Rb3 26. Re3 c4 27. Bf1 Nf3+ 28. Kh1 Bd4 29. Bxc4 Qc8 30. g4 Rxe3 31. fxe3 Be5 32. b3 h5 33. Qg2 hxg4 34. Qxg4 Qxg4 35. hxg4 Kg7 36. Kg2 Ng5 37. Rxa6 Rh8 38. Nf2 Rh2+ 39. Kf1 Bg3 40. Nd3 Nxe4 41. Kg1 Nd2 42. Nf4 Nf3+ 43. Kf1 Rf2# 0-1

[Event "Berlin Eckbauer op 5th"]
[Site "Berlin"]
[Date "2002.11.18"]
[Round "7"]
[White "Hein, Burkhard"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "1949"]
[BlackElo "1707"]
[PlyCount "131"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 0-0 8. Re1 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 Nc6 12. Nf1 h6 13. Ng3 Be6 14. Be3 Ng4 15. Bd2 Nf6 16. Qe2 Qd7 17. Red1 Bg4 18. h3 Be6 19. Be3 Qc7 20. Rdc1 c4 21. d4 exd4 22. Bxd4 Ne5 23. Nh4 Ng6 24. Nxg6 fxg6 25. e5 dxe5 26. Bxe5 Bd6 27. Bxd6 Qxd6 28. Bxg6 Bf7 29. Bxf7+ Rxf7 30. Rd1 Qc7 31. Rd4 Re8 32. Qd2 Nd7 33. Ne4 Ref8 34. Rd6 Qb7 35. Qd5 Qxd5 36. Rxd5 Nf6 37. Nxf6+ Rxf6 38. f3 Rg6 39. Kf2 Rff6 40. Rad1 Re6 41. h4 Rgf6 42. h5 Rf7 43. Rd8+ Rf8 44. Rxf8+ Kxf8 45. Rd4 Kf7 46. Re4 Rd6 47. Ke3 Rd3+ 48. Ke2 Rd5 49. g4 Rd6 50. Ke3 Rd3+ 51. Ke2 Rd6 52. Re5 Kf6 53. Rf5+ Ke7 54. Rf4 Ke6 55. Rd4 Rb6 56. Ke3 a5 57. Ke4 a4 58. a3 Kf6 59. Rd5 Re6+ 60. Kd4 Rb6 61. Kc5 Rb8 62. Kb4 Ke6 63. Rxb5 Rf8 64. Kxa4 Rxf3 65. Kb4 Rf4 66. a4 1-0

[Event "Berlin Eckbauer op 5th"]
[Site "Berlin"]
[Date "2002.11.11"]
[Round "6"]
[White "Derz, Claus"]
[Black "Rossi, Enzo"]
[Result "1/2-1/2"]
[ECO "E30"]
[WhiteElo "1707"]
[BlackElo "1919"]
[PlyCount "120"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. e3 d5 7. cxd5 g5 8. Bg3 Nxd5 9. Nge2 Nc6 10. a3 cxd4 11. exd4 Ba5 12. Qd3 Nxc3 13. bxc3 Bc7 14. Bxc7 Qxc7 15. Ng3 Qe7 16. Be2 Bd7 17. 0-0 0-0 18. f4 Rae8 19. Bh5 Rc8 20. fxg5 hxg5 21. Rae1 f6 22. Bd1 Qh7 23. Qe2 f5 24. Bb3 Rce8 25. Qa2 Nd8 26. Re5 Rf6 27. Rexf5 Rxf5 28. Rxf5 Qh6 29. Qd2 Nf7 30. Rc5 Bc6 31. d5 exd5 32. Bxd5 Bxd5 33. Rxd5 Qe6 34. Rb5 Rd8 35. Rxg5+ Kf8 36. Qf4 Qb6+ 37. Kf1 Qb1+ 38. Kf2 Qc2+ 39. Ne2 Rd2 40. Qf3 Qb3 41. Rf5 Qb6+ 42. Qe3 Qb2 43. Qc5+ Kg7 44. Qe3 Qc2 45. Qe6 Rxe2+ 46. Qxe2 Qxf5+ 47. Qf3 Qc5+ 48. Qe3 Qf5+ 49. Qf3 Kf6 50. Ke3 Nd6 51. Qxf5+ Kxf5 52. Kd3 Ke5 53. c4 b6 54. Kc3 Ke4 55. a4 a5 56. h4 Nf5 57. h5 Nh6 58. c5 Kd5 59. cxb6 Kc6 60. b7 Kxb7 1/2-1/2

[Event "Berlin Eckbauer op 5th"]
[Site "Berlin"]
[Date "2002.11.04"]
[Round "5"]
[White "Tamm, Wolfgang"]
[Black "Derz, Claus"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1598"]
[BlackElo "1707"]
[PlyCount "164"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Qf3 Nf6 5. Bc4 c6 6. h3 Nbd7 7. d4 e6 8. Nge2 Qc7 9. Bf4 Bd6 10. Bxd6 Qxd6 11. 0-0 0-0 12. Ng3 Qxd4 13. Bd3 Ne5 14. Qe3 Qxe3 15. fxe3 Nxd3 16. cxd3 b6 17. Rf2 Ba6 18. d4 Rac8 19. Nge4 Nd5 20. Nxd5 exd5 21. Nd6 Rcd8 22. Nf5 Rd7 23. Rc1 Bb7 24. Rfc2 g6 25. Nh6+ Kg7 26. Ng4 f6 27. b4 h5 28. Nf2 Re7 29. Nd1 b5 30. Kf2 f5 31. g3 h4 32. Kg2 hxg3 33. Kxg3 Rh8 34. Rh2 Re4 35. Rc3 f4+ 36. Kf3 fxe3 37. Rxe3 Rxe3+ 38. Kxe3 Bc8 39. Nf2 g5 40. Rg2 Kg6 41. Rg3 Rh4 42. Ng4 Bxg4 43. hxg4 Rh2 44. Rg1 Rh3+ 45. Kd2 Rf3 46. Rc1 Rf6 47. Ke3 Kg7 48. Rh1 Rf4 49. Rg1 Kf7 50. Rc1 Rxg4 51. Rxc6 Re4+ 52. Kd3 g4 53. Rd6 g3 54. Rxd5 Rg4 55. Rf5+ Ke6 56. Re5+ Kd6 57. Re1 g2 58. Rg1 Kd5 59. a3 Rxd4+ 60. Ke3 Rg4 61. Kf2 Kc4 62. Rc1+ Kb3 63. Kg1 Rg6 64. Rb1+ Ka4 65. Ra1 a6 66. Ra2 Kb3 67. Re2 Kxa3 68. Re4 Ka4 69. Rd4 a5 70. bxa5+ Kxa5 71. Rd8 Ka4 72. Ra8+ Kb3 73. Rb8 b4 74. Rc8 Ka2 75. Ra8+ Kb2 76. Rb8 b3 77. Rc8 Ka2 78. Re8 Kb2 79. Re2+ Kb1 80. Re1+ Ka2 81. Re8 b2 82. Re2 Ka1 0-1

[Event "Berlin Eckbauer op 5th"]
[Site "Berlin"]
[Date "2002.10.28"]
[Round "4"]
[White "Derz, Claus"]
[Black "Torzinski, Stefan"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1707"]
[BlackElo "1546"]
[PlyCount "55"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bg4 7. 0-0 Be7 8. c4 Nf6 9. Nc3 0-0 10. h3 Bh5 11. Be2 h6 12. Qb3 dxc4 13. Qxb7 Nbd7 14. Bxc4 Nb6 15. Bb3 Bxf3 16. Qxf3 Qxd4 17. Be3 Qd7 18. Rad1 Qe8 19. Rfe1 Rd8 20. Bd4 Rd6 21. Ne4 Nxe4 22. Qxe4 Nc8 23. Bc5 Rxd1 24. Bxd1 f5 25. Qe6+ Qf7 26. Bxe7 Qxe6 27. Rxe6 Re8 28. Bb3 1-0

[Event "Berlin Eckbauer op 5th"]
[Site "Berlin"]
[Date "2002.10.21"]
[Round "3"]
[White "Korell, Klaus Peter"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "D47"]
[WhiteElo "1902"]
[BlackElo "1707"]
[PlyCount "117"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 Be7 8. 0-0 0-0 9. e4 b5 10. Bd3 Bb7 11. e5 Ne8 12. Re1 Nb6 13. Ne4 h6 14. Ng3 a6 15. h3 c5 16. dxc5 Bxc5 17. Ne4 Be7 18. Qe2 Nd5 19. a3 Nec7 20. Bd2 f5 21. exf6 Bxf6 22. Nxf6+ Qxf6 23. Qe4 Rab8 24. Qh7+ Kf7 25. Ne5+ Ke8 26. Ng4 Qxb2 27. Bg6+ Kd8 28. Ba5 Nc3 29. Bxc7+ Kxc7 30. Qxg7+ Kb6 31. Qxh6 Ne2+ 32. Kh2 Nf4 33. Rab1 Qd4 34. Red1 Qc4 35. Ne5 Qc7 36. Nd7+ Ka7 37. Rbc1 Bc6 38. g3 Nxg6 39. Qe3+ Kb7 40. Nxb8 Kxb8 41. Qc5 Kb7 42. Rd6 Ne5 43. Rxc6 Qxc6 44. Qe7+ Qd7 45. Qxf8 Nc4 46. Qf3+ Kb6 47. a4 Qd5 48. Qc3 Qc5 49. Qf6 Ka5 50. axb5 axb5 51. Qa1+ Kb6 52. Qa2 e5 53. Ra1 Kc6 54. Qa8+ Kd6 55. Ra6+ Nb6 56. Qf8+ Kd5 57. Qf7+ Ke4 58. Qg6+ Kd4 59. Qxb6 1-0

[Event "Berlin Eckbauer op 5th"]
[Site "Berlin"]
[Date "2002.10.14"]
[Round "2"]
[White "Derz, Claus"]
[Black "Berg, Gerd"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1707"]
[BlackElo "1522"]
[PlyCount "101"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 Qc7 7. e4 d6 8. Bd3 0-0 9. Ne2 Nc6 10. d5 Ne5 11. 0-0 a6 12. a4 Bd7 13. Bf4 Nxd3 14. Qxd3 e5 15. Bd2 h5 16. Rfb1 h4 17. Bg5 Nh7 18. Be7 Rfe8 19. Bxh4 g5 20. Bf2 f6 21. a5 Rf8 22. g4 Rf7 23. Rb6 Nf8 24. Rab1 Bc8 25. Ng3 Ng6 26. Nh5 Qe7 27. Qd2 Nf4 28. Ng3 Rh7 29. Be3 Rh3 30. Qf2 Rh7 31. Bxf4 exf4 32. Nf5 Bxf5 33. exf5 Qe5 34. Qd2 Re8 35. Rxb7 Rxb7 36. Rxb7 Qe3+ 37. Qxe3 Rxe3 38. Rb6 Rxf3 39. Rxd6 Rxc3 40. Rxa6 Rxc4 41. Rc6 f3 42. Kf2 Rxg4 43. Rxc5 Rf4 44. d6 Kf7 45. Rc7+ Ke8 46. a6 g4 47. a7 Ra4 48. Rc8+ Kd7 49. a8Q Rxa8 50. Rxa8 Kxd6 51. Ra4 1-0

[Event "Berlin Eckbauer op 5th"]
[Site "Berlin"]
[Date "2002.10.07"]
[Round "1"]
[White "Krasnici, Hasan"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2217"]
[BlackElo "1707"]
[PlyCount "47"]
[EventDate "2002.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Bf5 5. Bc4 c6 6. Nf3 Nf6 7. Bd2 Qc7 8. Ne5 e6 9. Qe2 Nbd7 10. Bf4 Bd6 11. 0-0-0 a5 12. f3 Nb6 13. g4 Bg6 14. h4 h6 15. Bg3 Bh7 16. Nxf7 Bxg3 17. Nxh8 0-0-0 18. Nf7 Re8 19. Ng5 Bf4+ 20. Kb1 Bxg5 21. hxg5 Nfd5 22. Bxd5 cxd5 23. Rh5 g6 24. Nb5 1-0

[Event "Berlin Eckbauer op 4th"]
[Site "Berlin"]
[Date "2001.11.12"]
[Round "7"]
[White "Rossi, Enzo"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1878"]
[BlackElo "1618"]
[PlyCount "115"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. d4 c5 5. Nf3 cxd4 6. Nxd4 Qa5+ 7. Bd2 Qb6 8. Nf3 dxc4 9. Nc3 Bd6 10. 0-0 0-0 11. Bg5 Be7 12. Qc2 Nc6 13. Rfd1 Ng4 14. Re1 h6 15. Bxe7 Nxe7 16. h3 Nf6 17. Rac1 Qa5 18. Nd2 Rb8 19. Nxc4 Qa6 20. Ne5 b5 21. Red1 Bb7 22. b4 Bxg2 23. Kxg2 Qb7+ 24. e4 Rbc8 25. f3 Nc6 26. Nxc6 Rxc6 27. Qe2 a6 28. Qe3 Rfc8 29. Ne2 e5 30. a3 R8c7 31. Rxc6 Rxc6 32. Rc1 Nd7 33. Rc3 Qc7 34. Kf2 Nb6 35. Rc5 Nd7 36. Rxc6 Qxc6 37. Nc3 Qb6 38. Nd5 Qxe3+ 39. Kxe3 Kf8 40. Kd3 f6 41. Kc3 Nb8 42. Kb3 Nc6 43. Nc7 Nd4+ 44. Kc3 Nxf3 45. Nxa6 Ke7 46. Nc5 Kd6 47. Kd3 Nd4 48. a4 bxa4 49. Nxa4 Kc6 50. Nc3 Nb5 51. Nd5 Nd4 52. Kc4 Nf3 53. b5+ Kb7 54. Kc5 Ng5 55. Nc3 Nxh3 56. Kd6 Ng5 57. g4 Kb6 58. Ke7 1-0

[Event "Berlin Casino sim"]
[Site "Berlin"]
[Date "2001.11.10"]
[Round "?"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "D47"]
[WhiteElo "2617"]
[BlackElo "1618"]
[PlyCount "79"]
[EventDate "2001.11.10"]
[EventType "simul"]
[EventRounds "1"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 Nbd7 6. 0-0 Be7 7. Nc3 dxc4 8. Bxc4 0-0 9. e4 h6 10. Qe2 Nb6 11. Bd3 c5 12. e5 Nfd5 13. Qe4 f5 14. exf6 Nxf6 15. Qg6 Qe8 16. Qg3 Nh5 17. Qe5 cxd4 18. Nxd4 Qf7 19. Qe4 Nf6 20. Qe2 Qh5 21. Qxh5 Nxh5 22. Bc2 g5 23. Bb3 Ng7 24. Re1 Rf6 25. Re4 Bd7 26. Bd2 Raf8 27. Rf1 Bd6 28. f3 Kh8 29. Rfe1 Re8 30. Kh1 a6 31. h4 gxh4 32. Nce2 h3 33. Rh4 hxg2+ 34. Kxg2 Rg6+ 35. Kf2 Rf8 36. Bxh6 Kg8 37. Rd1 Bc5 38. Rg1 Bd6 39. Rhh1 Nf5 40. Bxf8 1-0

[Event "Berlin Eckbauer op 4th"]
[Site "Berlin"]
[Date "2001.11.05"]
[Round "6"]
[White "Derz, Claus"]
[Black "Schmidt, Michael3333"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "1618"]
[BlackElo "1529"]
[PlyCount "51"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Ne4 5. Qc2 Nxc3 6. bxc3 Be7 7. Bf4 d6 8. e4 Nd7 9. Bd3 b6 10. 0-0 g5 11. Be3 g4 12. Nd2 Bb7 13. f3 h5 14. fxg4 hxg4 15. e5 Bg5 16. Rae1 Bxe3+ 17. Rxe3 Qh4 18. Be4 Qxh2+ 19. Kf2 d5 20. cxd5 exd5 21. Bf5 g3+ 22. Rxg3 Qh4 23. Nf3 Qe7 24. Rg7 Nf8 25. e6 0-0-0 26. Rxf7 1-0

[Event "Berlin Eckbauer op 4th"]
[Site "Berlin"]
[Date "2001.10.29"]
[Round "5"]
[White "Focke, Wolfgang"]
[Black "Derz, Claus"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1526"]
[BlackElo "1618"]
[PlyCount "102"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bf5 6. Nf3 e6 7. Bd2 Qb6 8. 0-0 c6 9. Bb3 Nbd7 10. Ne2 Bd6 11. Ng3 Bg6 12. Re1 0-0 13. Be3 Qc7 14. c4 Rfd8 15. Qe2 a5 16. a4 Bb4 17. Red1 Nb6 18. Rac1 c5 19. Bg5 cxd4 20. Nxd4 Nbd7 21. Nb5 Qc6 22. Nd4 Qb6 23. Be3 Bc5 24. Nb5 Bxe3 25. Qxe3 Qxe3 26. fxe3 Nc5 27. Rxd8+ Rxd8 28. Rd1 Rd7 29. Rxd7 Nfxd7 30. Bd1 Bd3 31. Be2 Bc2 32. Nc3 Nxa4 33. Nxa4 Bxa4 34. Ne4 Bc2 35. Nc3 Nc5 36. Kf2 Nd3+ 37. Bxd3 Bxd3 38. c5 Kf8 39. e4 Ke7 40. Ke3 Ba6 41. Na4 e5 42. Kd2 Kd7 43. Kc3 Bb5 44. Nb6+ Kc6 45. b4 axb4+ 46. Kxb4 Bd3 47. Nd5 Bxe4 48. Nc3 f6 49. g3 Bd3 50. Nd1 f5 51. Nb2 e4 0-1

[Event "Berlin Eckbauer op 4th"]
[Site "Berlin"]
[Date "2001.10.22"]
[Round "4"]
[White "Derz, Claus"]
[Black "Kachibadze, Georg"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "1618"]
[BlackElo "1204"]
[PlyCount "76"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 f5 4. Nf3 Nf6 5. e3 c6 6. Be2 Bd6 7. 0-0 0-0 8. cxd5 exd5 9. Rb1 Nbd7 10. b4 a6 11. a4 Ne4 12. Qb3 Nxc3 13. Qxc3 Nf6 14. Bd3 Ne4 15. Qb3 b5 16. Ne5 Bd7 17. f3 Nf6 18. a5 Qe7 19. f4 Rac8 20. Bd2 Kh8 21. Qc2 Ne4 22. Bxe4 fxe4 23. Qd1 Rf6 24. Qh5 Be8 25. Qh4 Re6 26. Qh3 Bd7 27. g4 Rh6 28. Qg3 Rf8 29. Nxd7 Qxd7 30. h4 Rg6 31. g5 Rf5 32. Qh3 Rfxg5+ 33. Kh2 Qxh3+ 34. Kxh3 Rg3+ 35. Kh2 Rg2+ 36. Kh1 Rxd2 37. Rg1 Rxg1+ 38. Kxg1 Rc2 0-1

[Event "Berlin Eckbauer op 4th"]
[Site "Berlin"]
[Date "2001.10.15"]
[Round "3"]
[White "Semme, Lothar"]
[Black "Derz, Claus"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1558"]
[BlackElo "1618"]
[PlyCount "80"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. e5 c5 3. c3 Bf5 4. d4 e6 5. Be3 Nd7 6. Bb5 cxd4 7. cxd4 a6 8. Bxd7+ Qxd7 9. f4 Bb4+ 10. Nc3 Ne7 11. Nf3 Rc8 12. Rc1 0-0 13. 0-0 Bxc3 14. bxc3 Rc7 15. Nh4 Be4 16. g4 Rfc8 17. Bd2 Qb5 18. Be1 Nc6 19. f5 Nb4 20. Qd2 Qd3 21. a3 Qxd2 22. Bxd2 Na2 23. Rce1 Nxc3 24. Kf2 Nb5 25. Ke3 Nxa3 26. Kf4 Rc2 27. Rf2 Nb5 28. Be3 Rxf2+ 29. Bxf2 Rc4 30. Rd1 Rc2 31. Bg1 Nc3 32. Re1 Ne2+ 33. Ke3 Nxg1 34. Rxg1 Rxh2 35. Nf3 Rh3 36. Rf1 Rxf3+ 37. Rxf3 Bxf3 38. Kxf3 Kf8 39. f6 gxf6 40. exf6 b5 0-1

[Event "Berlin Eckbauer op 4th"]
[Site "Berlin"]
[Date "2001.10.08"]
[Round "2"]
[White "Derz, Claus"]
[Black "Hunn, Nicole"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "1618"]
[BlackElo "1355"]
[PlyCount "106"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. d5 Nb4 10. Qd1 e6 11. Be2 Nd7 12. 0-0 a5 13. a3 Na6 14. Qc2 Ndc5 15. f5 Bd4+ 16. Kh1 Be5 17. Bf4 Bg7 18. fxg6 fxg6 19. Bg4 e5 20. Be3 Qh4 21. Kh2 h5 22. g3 Qe7 23. Be2 Nd7 24. g4 Nf6 25. g5 Nh7 26. h4 Nc5 27. Rf3 a4 28. Raf1 Nb3 29. Qd1 Nd4 30. Rxf8+ Nxf8 31. Nxa4 Rxa4 32. Bxd4 exd4 33. Qxa4 Qe5+ 34. Kh3 Qxe4 35. Bf3 Qf4 36. Bg2 Qe3+ 37. Rf3 Qg1 38. Qe8 d3 39. Qe3 Qd1 40. Qxd3 Qg1 41. Rf1 Qc5 42. Be4 Nd7 43. b4 Qb6 44. Qe2 Ne5 45. Kg2 Qd4 46. Bb1 Ng4 47. Rf3 Be5 48. Bxg6 Nh2 49. Qf2 Qg4+ 50. Kh1 Nxf3 51. Bd3 Bd4 52. Qf1 Qxh4+ 53. Kg2 Ne1+ 0-1

[Event "Berlin Eckbauer op 4th"]
[Site "Berlin"]
[Date "2001.10.01"]
[Round "1"]
[White "Stark, Wolfgang"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2076"]
[BlackElo "1618"]
[PlyCount "63"]
[EventDate "2001.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bf5 6. Nge2 c6 7. 0-0 e6 8. Ng3 Bg6 9. f4 Bd6 10. f5 exf5 11. Qe2+ Kd8 12. Bf4 Bxf4 13. Rxf4 Qc7 14. Qf3 Ng4 15. h3 Nh6 16. h4 f6 17. h5 Bf7 18. Bxf7 Qxf7 19. Nxf5 Nxf5 20. Rxf5 Nd7 21. Ne4 Qe7 22. Rf4 Rf8 23. c4 a5 24. c5 b6 25. Nd6 bxc5 26. Qxc6 Qe3+ 27. Rf2 Rb8 28. Nf5 Qg5 29. dxc5 Rc8 30. Qd6 Rxc5 31. Rd1 Rc7 32. Qxf8# 1-0

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2000.11.27"]
[Round "7"]
[White "Derz, Claus"]
[Black "Lengowski, Joerg"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "1580"]
[BlackElo "1408"]
[PlyCount "131"]
[EventDate "2000.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 g6 4. Nc3 Bg7 5. Bf4 Nf6 6. e3 0-0 7. Qb3 Qb6 8. Qxb6 axb6 9. cxd5 Nxd5 10. Nxd5 cxd5 11. Bb5 Na6 12. Bxa6 Rxa6 13. 0-0 b5 14. Bg3 f6 15. Rfc1 Rc6 16. Nd2 Bd7 17. Nb3 Rfc8 18. f4 Bf5 19. Be1 e6 20. Rxc6 Rxc6 21. Rc1 Rxc1 22. Nxc1 Bf8 23. a3 b6 24. Na2 h6 25. Bb4 g5 26. g3 Bb1 27. Bxf8 Kxf8 28. Nb4 Ke7 29. Kf2 Kd6 30. h4 g4 31. Ke2 e5 32. Nd3 exd4 33. exd4 Ke6 34. Nf2 h5 35. Kd2 Kd6 36. Kc3 Bg6 37. Kb4 Kc6 38. Nd1 Bd3 39. Nc3 Bf1 40. b3 Bd3 41. a4 bxa4 42. bxa4 Bc4 43. a5 bxa5+ 44. Kxa5 Bd3 45. Na4 Kd6 46. Kb6 Be4 47. Nc5 Bb1 48. Kb7 Bf5 49. Na6 Be4 50. Nc7 Kd7 51. Kb6 Kd6 52. Nb5+ Kd7 53. Kc5 Bf3 54. f5 Be4 55. Nc3 Bxf5 56. Nxd5 Ke6 57. Nf4+ Kf7 58. Nxh5 Bc8 59. Kc6 Kg6 60. Nf4+ Kh6 61. d5 Bf5 62. d6 Bc2 63. d7 Ba4+ 64. Kc7 Bxd7 65. Kxd7 Kh7 66. Ke6 1-0

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2000.11.20"]
[Round "6"]
[White "Von Loehneysen, Leonard"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1923"]
[BlackElo "1580"]
[PlyCount "117"]
[EventDate "2000.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. Bg2 d6 6. e3 Bg4 7. h3 Bf5 8. a3 a6 9. d4 exd4 10. exd4 Ba7 11. 0-0 0-0 12. Be3 Ne7 13. Bg5 Nd7 14. Nh4 f6 15. Be3 c6 16. Ne4 Bxe4 17. Bxe4 f5 18. Bg2 Ng6 19. Nxg6 hxg6 20. Qb3 Qb6 21. Qd3 Qd8 22. b4 Rc8 23. b5 Nf6 24. a4 d5 25. bxa6 bxa6 26. cxd5 cxd5 27. Qxa6 Qd7 28. Qb5 Qxb5 29. axb5 Bb6 30. Ra6 Rb8 31. Rc1 Bd8 32. Bf1 Kh7 33. Bf4 Rb6 34. Rxb6 Bxb6 35. Bd6 Re8 36. Bc5 Ba5 37. b6 Ne4 38. b7 Rb8 39. Ba6 Nc3 40. Bd6 Rxb7 41. Bxb7 Ne2+ 42. Kf1 Nxc1 43. Bxd5 Nd3 44. Bc4 Nb4 45. d5 Nc2 46. Bc5 Bc3 47. d6 Nd4 48. d7 Nc6 49. Bd5 Nd8 50. h4 Bf6 51. f3 g5 52. hxg5 Bxg5 53. Ke2 Bf6 54. Ke3 Bg5+ 55. Kd4 Bf6+ 56. Kc4 Be5 57. Be7 Bc7 58. Kc5 g6 59. Bd6 1-0

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2000.11.13"]
[Round "5"]
[White "Derz, Claus"]
[Black "Figura, Aleksandar"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1580"]
[BlackElo "1494"]
[PlyCount "79"]
[EventDate "2000.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. g3 g6 8. Nf3 Bg7 9. Qc2 0-0 10. Bg2 Nbd7 11. 0-0 Ra7 12. Rd1 Qa8 13. Rb1 Rb8 14. e4 Ne8 15. b3 Bc8 16. a4 Bxc3 17. Qxc3 f6 18. Be3 Rb4 19. Nd2 Qb8 20. f4 Ba6 21. Bf1 Bxf1 22. Rxf1 Nc7 23. f5 Ne5 24. Bf4 Nf7 25. g4 Na8 26. h4 Nb6 27. fxg6 hxg6 28. Qf3 Rb7 29. g5 Nxa4 30. gxf6 exf6 31. Qg3 g5 32. hxg5 fxg5 33. Rbe1 Rxb3 34. Nxb3 Rxb3 35. Re3 Rxe3 36. Bxe3 Nb6 37. Rf5 Ne5 38. Qxg5+ Kh8 39. Rf6 Qg8 40. Rg6 1-0

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2000.11.06"]
[Round "4"]
[White "Marduhajev, Alexander"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1736"]
[BlackElo "1580"]
[PlyCount "101"]
[EventDate "2000.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Be7 7. b3 0-0 8. Be2 Qc7 9. 0-0 dxc4 10. bxc4 b6 11. e4 e5 12. d5 Bb7 13. Bb2 cxd5 14. Nb5 Qc6 15. exd5 Nxd5 16. Bxe5 Nb4 17. Qf5 Nxe5 18. Nbd4 Qg6 19. Qxe5 Bf6 20. Qg3 Qxg3 21. hxg3 Bxf3 22. Bxf3 Bxd4 23. Rab1 Nxa2 24. Bxa8 Rxa8 25. Rbd1 Bc5 26. Rd7 a5 27. Rfd1 g6 28. Rb7 a4 29. Rdd7 Rf8 30. Ra7 a3 31. Kf1 Kg7 32. Ke1 Nb4 33. f3 a2 34. Kd2 Kf6 35. Kc3 Ke6 36. Rd1 Re8 37. Re1+ Kd6 38. Rxe8 Kc6 39. Re2 b5 40. cxb5+ Kxb5 41. Raxa2 Nxa2+ 42. Rxa2 Bd6 43. g4 Be5+ 44. Kd3 f6 45. Ra7 g5 46. Rxh7 Kc5 47. Ke4 Kd6 48. Kf5 Kc5 49. Rf7 Kd4 50. Rxf6 Bf4 51. Rg6 1-0

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2000.10.27"]
[Round "3"]
[White "Koenig, Frank"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1959"]
[BlackElo "1580"]
[PlyCount "63"]
[EventDate "2000.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 c6 4. Nc3 Qa5 5. Bc4 Nf6 6. Nf3 Bf5 7. Bd2 e6 8. Qe2 Bb4 9. 0-0 Bxc3 10. Bxc3 Qc7 11. Nh4 Bg6 12. Bb4 Nd5 13. Ba3 Nd7 14. Bxd5 cxd5 15. f4 Qxc2 16. Qb5 Qc4 17. Qxb7 Qxd4+ 18. Kh1 Rb8 19. Qc6 Qb6 20. Qa4 h6 21. f5 Bh5 22. fxe6 fxe6 23. Rae1 Kd8 24. Nf5 exf5 25. Be7+ Kc7 26. Rc1+ Kb7 27. Qxd7+ Ka8 28. Rc7 Rb7 29. Rfc1 Rxc7 30. Rxc7 Re8 31. h3 Rb8 32. Bc5 1-0

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2000.10.23"]
[Round "2"]
[White "Derz, Claus"]
[Black "Mueller, Peter"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1580"]
[BlackElo "1754"]
[PlyCount "45"]
[EventDate "2000.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. f3 Bb7 7. e4 Nxe4 8. fxe4 Qh4+ 9. Ke2 Qxe4+ 10. Be3 d5 11. cxd5 exd5 12. Kd2 0-0 13. Qf3 Qe7 14. Bd3 Nd7 15. Ne2 c5 16. Ng3 cxd4 17. Bxd4 Nc5 18. Kc2 Qd7 19. a4 Ne6 20. Nf5 Rac8 21. Bxg7 Nxg7 22. Qg4 Rxc3+ 23. Kxc3 1-0

[Event "Berlin op 10"]
[Site "Berlin"]
[Date "2000.10.16"]
[Round "1"]
[White "Derz, Claus"]
[Black "Gabriel, Reiner"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "1580"]
[BlackElo "2002"]
[PlyCount "70"]
[EventDate "2000.10.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. d5 Ne4 7. Qc2 f5 8. Nh3 Qa5 9. Bd2 b6 10. f3 Nxd2 11. Qxd2 Ba6 12. e4 0-0 13. exf5 exf5 14. a4 d6 15. Bd3 Nd7 16. f4 Rae8+ 17. Kd1 Bc8 18. Re1 Nf6 19. Nf2 Bd7 20. Qc2 Rxe1+ 21. Kxe1 Re8+ 22. Kd2 g6 23. h3 Nh5 24. g4 Nxf4 25. gxf5 Bxf5 26. Re1 Rxe1 27. Kxe1 Nxd3+ 28. Nxd3 Qa6 29. Qe2 Qxa4 30. Nf4 Qd7 31. h4 Qd8 32. Qf2 Qf6 33. Ne6 Qxc3+ 34. Kf1 Qxc4+ 35. Kg1 Bxe6 0-1

[Event "Berlin Eckbauer op"]
[Site "Berlin"]
[Date "1999.11.15"]
[Round "7"]
[White "Derz, Claus"]
[Black "Bajin, Stevan"]
[Result "0-1"]
[ECO "E51"]
[PlyCount "24"]
[EventDate "1999.10.??"]
[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 e6 3. Nf3 Bb4+ 4. Nc3 Nc6 5. e3 Nf6 6. a3 Bxc3+ 7. bxc3 0-0 8. Bd3 Re8 9. 0-0 e5 10. dxe5 Nxe5 11. Nxe5 Rxe5 12. cxd5 Rxd5 0-1

[Event "Berlin Eckbauer op"]
[Site "Berlin"]
[Date "1999.11.08"]
[Round "6"]
[White "Krug, Juergen"]
[Black "Derz, Claus"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "94"]
[EventDate "1999.10.??"]
[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 c5 2. d4 cxd4 3. c3 d6 4. cxd4 g6 5. Nc3 Bg7 6. Nf3 Nf6 7. Bc4 0-0 8. 0-0 Nbd7 9. Bg5 a6 10. a4 h6 11. Bf4 b6 12. h3 Bb7 13. Re1 Rc8 14. Bb3 Re8 15. e5 dxe5 16. dxe5 Nh5 17. Bh2 Nc5 18. Bc2 Qxd1 19. Raxd1 Bxf3 20. gxf3 e6 21. Rd2 Red8 22. Red1 Rxd2 23. Rxd2 Bf8 24. Kf1 Be7 25. Ne4 Nxe4 26. Bxe4 a5 27. Rc2 Rxc2 28. Bxc2 Ng7 29. f4 Nf5 30. Bxf5 gxf5 31. Ke2 Bc5 32. Bg3 Kf8 33. Kd3 Ke8 34. Bh4 Kd7 35. Kc4 Kc6 36. f3 Be3 37. Bg3 Bc5 38. b3 h5 39. Bh4 Bg1 40. Be1 Be3 41. Bg3 Bc5 42. Bh4 Be3 43. Bg5 Bc5 44. Bh6 Be7 45. Bg5 Bc5 46. Bd8 Be3 47. Bg5 Bc5 1/2-1/2

[Event "Berlin Eckbauer op"]
[Site "Berlin"]
[Date "1999.11.01"]
[Round "5"]
[White "Derz, Claus"]
[Black "Nuristani, Akbar"]
[Result "0-1"]
[ECO "E93"]
[BlackElo "2003"]
[PlyCount "88"]
[EventDate "1999.10.??"]
[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 Nf6 2. c4 g6 3. Nc3 d6 4. Nf3 Bg7 5. e4 0-0 6. Be2 e5 7. d5 Nbd7 8. Be3 a6 9. 0-0 Re8 10. h3 Nf8 11. Nh2 h6 12. Bg4 Kh7 13. Bxc8 Rxc8 14. Ng4 Nh5 15. Qd2 g5 16. h4 f6 17. hxg5 fxg5 18. g3 Nf6 19. Qe2 Nxg4 20. Qxg4 Qf6 21. Kg2 Kg8 22. Rh1 Nh7 23. Raf1 Qg6 24. Rh2 Nf6 25. Qf5 Qxf5 26. exf5 Ng4 27. Rhh1 Rf8 28. Kh3 h5 29. Bxg5 Rxf5 30. Bc1 Nxf2+ 31. Kg2 Rcf8 32. Rh4 Nd3 33. Rd1 Nxc1 34. Rxc1 Bh6 35. Rb1 Rf2+ 36. Kh3 R8f5 37. Ne4 Re2 38. Nc3 Re3 39. Rg1 Bg7 40. Kh2 Bf6 41. Rh3 e4 42. Nd1 Re2+ 43. Kh1 Bd4 44. g4 Rg5 0-1

[Event "Berlin Eckbauer op"]
[Site "Berlin"]
[Date "1999.10.25"]
[Round "4"]
[White "Derz, Claus"]
[Black "Hennings, Dirk"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "52"]
[EventDate "1999.10.??"]
[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 e6 3. Nf3 Nf6 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 0-0 9. Bd3 dxc4 10. Bxc4 Qxg5 11. g3 e5 12. 0-0-0 exd4 13. f4 Qa5 14. Nb3 Qh5 15. Nxd4 Nb6 16. Bd3 Bg4 17. Rdf1 Nbd5 18. Nxd5 Qxd5 19. a3 Be7 20. h3 Bd7 21. Ne2 Qc5 22. e4 Qxc2+ 23. Kxc2 c5 24. e5 Nd5 25. Kd2 Bc6 26. Rh2 Rad8 0-1

[Event "Berlin Eckbauer op"]
[Site "Berlin"]
[Date "1999.10.18"]
[Round "3"]
[White "Radjenovic, Branko"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "D12"]
[PlyCount "64"]
[EventDate "1999.10.??"]
[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 Nf6 3. Nc3 c6 4. e3 Bf5 5. Nf3 e6 6. a3 dxc4 7. Bxc4 Nbd7 8. 0-0 Nb6 9. Be2 Bd6 10. h3 Qc7 11. Bd2 Nbd5 12. Rc1 Nxc3 13. Bxc3 h6 14. Nd2 Ne4 15. Nxe4 Bxe4 16. f3 Bg6 17. e4 Bf4 18. Bd2 Bxd2 19. Qxd2 0-0 20. Kh1 Qb6 21. Qc3 Rfd8 22. Rfd1 Rd7 23. Rd2 Rad8 24. Rcd1 Kf8 25. b4 Ke7 26. a4 a6 27. Bc4 f6 28. b5 cxb5 29. axb5 axb5 30. Qb4+ Kf7 31. d5 e5 32. d6+ Kf8 1-0

[Event "Berlin Eckbauer op"]
[Site "Berlin"]
[Date "1999.10.11"]
[Round "2"]
[White "Derz, Claus"]
[Black "Boewer, Victor"]
[Result "1-0"]
[ECO "A54"]
[PlyCount "75"]
[EventDate "1999.10.??"]
[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 d6 2. c4 Nd7 3. Nf3 Ngf6 4. Nc3 e5 5. Bg5 Be7 6. e3 0-0 7. Qc2 Re8 8. Be2 c6 9. 0-0 Qc7 10. h3 Nf8 11. dxe5 dxe5 12. Rfd1 Ng6 13. Rd2 h6 14. Bxf6 gxf6 15. Bd3 Kg7 16. Rad1 Be6 17. a3 Rg8 18. Bf5 Rad8 19. b4 Kh8 20. h4 Qc8 21. Bxe6 Rxd2 22. Rxd2 Qxe6 23. h5 Nf8 24. Ne4 Nh7 25. Ng3 Ng5 26. Nh4 e4 27. Nhf5 Nf3+ 28. gxf3 exf3 29. Kh2 Rg4 30. c5 Bf8 31. Rd8 Rg8 32. Qd2 Kh7 33. e4 Bg7 34. Rxg8 Kxg8 35. Nxg7 Kxg7 36. Nf5+ Kg8 37. Qxh6 Qe5+ 38. Kh3 1-0

[Event "Berlin Eckbauer op"]
[Site "Berlin"]
[Date "1999.10.04"]
[Round "1"]
[White "Rochau, Norman"]
[Black "Derz, Claus"]
[Result "1-0"]
[ECO "B73"]
[PlyCount "91"]
[EventDate "1999.10.??"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 g6 7. 0-0 Bg7 8. Kh1 a6 9. Be3 0-0 10. f4 Bd7 11. Bf3 Nxd4 12. Bxd4 Bc6 13. Qe2 Nd7 14. Bxg7 Kxg7 15. e5 dxe5 16. Bxc6 bxc6 17. fxe5 Qc7 18. e6 Ne5 19. exf7 Nxf7 20. Rad1 a5 21. Rfe1 e5 22. Rd2 Rad8 23. Red1 Rxd2 24. Rxd2 Rd8 25. Ne4 Rxd2 26. Qxd2 Qd8 27. Qxd8 Nxd8 28. Kg1 h6 29. Kf2 Kf7 30. Nd6+ Ke6 31. Nc4 Nb7 32. Ke3 Kd5 33. b3 Ke6 34. a3 Kd5 35. c3 c5 36. Kd3 h5 37. g3 g5 38. Ke3 g4 39. Kd3 Ke6 40. Ke4 Nd6+ 41. Nxd6 Kxd6 42. b4 a4 43. b5 c4 44. b6 Kc6 45. Kxe5 Kxb6 46. Kd6 1-0

