[Event "Blankenburg op-B 19th"]
[Site "Blankenburg"]
[Date "2014.10.05"]
[Round "7"]
[White "Ducke, Jan"]
[Black "Colbow, Collin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1506"]
[PlyCount "78"]
[EventDate "2014.10.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. Bd2 Nf6 4. c4 Nbd7 5. c5 Be7 6. Nc3 0-0 7. Qc2 h6 8. e4 dxe4 9. Nxe4 Nxe4 10. Qxe4 Nf6 11. Qc2 Bd7 12. Ne5 Rc8 13. Qb3 Bc6 14. Nxc6 bxc6 15. Be3 Rb8 16. Qc2 Nd5 17. g3 Nxe3 18. fxe3 Qd5 19. Bg2 Qd7 20. 0-0 Bg5 21. Rae1 Rb4 22. a3 Rb5 23. b4 f5 24. Qa4 a5 25. bxa5 Ra8 26. a6 Qe8 27. Kh1 Ra7 28. Rb1 Bxe3 29. Rfd1 Rxb1 30. Rxb1 Qa8 31. Bxc6 Rxa6 32. Qb5 Qxc6+ 33. Qxc6 Rxc6 34. Rb8+ Kf7 35. Rd8 Ke7 36. Rg8 Bxd4 37. a4 Rxc5 38. Ra8 Bc3 39. Ra7 Kd7 0-1

[Event "Blankenburg op-B 19th"]
[Site "Blankenburg"]
[Date "2014.10.04"]
[Round "6"]
[White "Wraga, Hermann"]
[Black "Ducke, Jan"]
[Result "1-0"]
[ECO "C23"]
[WhiteElo "1592"]
[BlackElo "1506"]
[PlyCount "168"]
[EventDate "2014.10.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. a3 Nf6 4. Nc3 d6 5. h3 g6 6. Nf3 Bh6 7. 0-0 Nd4 8. Re1 Be6 9. Bxe6 Nxe6 10. d4 Bxc1 11. Rxc1 Nd7 12. dxe5 dxe5 13. Qd2 h5 14. Rcd1 g5 15. Re3 g4 16. Ne1 gxh3 17. Rxh3 Nf4 18. Rh2 Qe7 19. g3 Ng6 20. Nd5 Qd6 21. Qg5 c6 22. Nc3 Qf6 23. Rxh5 Qxg5 24. Rxg5 0-0-0 25. Rf5 Rh7 26. Kf1 Ne7 27. Rf3 Ng8 28. Rfd3 Ngf6 29. b4 Ng4 30. R1d2 Kc7 31. Nd1 Ngf6 32. Nc3 Ng4 33. Nf3 f6 34. Rd6 Rh1+ 35. Kg2 Ra1 36. a4 Ra3 37. R6d3 Kc8 38. Nh4 Nh6 39. Ng6 Ng8 40. f4 exf4 41. Nxf4 b6 42. Nfe2 Ne7 43. Nf4 Rxc3 44. Rxc3 Ne5 45. Rxd8+ Kxd8 46. Nd3 Ng4 47. Kh3 Nh6 48. Nf4 Ke8 49. Rd3 Nf7 50. Ne6 a6 51. Nc7+ Kf8 52. Nxa6 Ng5+ 53. Kg2 Nxe4 54. Nc7 Kf7 55. a5 bxa5 56. bxa5 Nc8 57. Ra3 Ned6 58. Na8 Nc4 59. Ra4 Ne3+ 60. Kf2 Nxc2 61. Nb6 Na7 62. Nc4 Nb5 63. a6 Ncd4 64. a7 Nxa7 65. Rxa7+ Ke6 66. Ra5 Nb5 67. Na3 Nd4 68. Ke3 Nf5+ 69. Kf4 Ne7 70. g4 Kd6 71. Nc4+ Ke6 72. Nb6 Nd5+ 73. Nxd5 cxd5 74. Ke3 Ke5 75. Kd3 Kf4 76. Ra4+ Ke5 77. Ke3 Kd6 78. Kd4 Ke6 79. Ra6+ Kf7 80. Kxd5 Kg6 81. Ke6 Kg5 82. Ra4 Kg6 83. Rf4 Kg5 84. Rxf6 Kxg4 1-0

[Event "Blankenburg op-B 19th"]
[Site "Blankenburg"]
[Date "2014.10.04"]
[Round "5"]
[White "Wraga, Teresa"]
[Black "Ducke, Jan"]
[Result "1/2-1/2"]
[ECO "C25"]
[WhiteElo "1660"]
[BlackElo "1506"]
[PlyCount "120"]
[EventDate "2014.10.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 b6 3. g3 Bb7 4. Bg2 Nf6 5. Nge2 Bc5 6. 0-0 Ng4 7. d4 exd4 8. Nxd4 h5 9. h3 Ne5 10. Nf5 Qf6 11. Nd5 Bxd5 12. Qxd5 Nbc6 13. Rb1 a5 14. Be3 Be7 15. Nxe7 Kxe7 16. c3 Rag8 17. f4 Ng6 18. e5 Qe6 19. Qxe6+ fxe6 20. Bxc6 dxc6 21. Rbd1 c5 22. Rd2 Rd8 23. Rfd1 Rxd2 24. Rxd2 Rf8 25. Rf2 Rd8 26. Rd2 Rf8 27. Rf2 Nh8 28. Kg2 Nf7 29. b3 Nh6 30. Bc1 Nf5 31. Re2 Rd8 32. Rd2 Rg8 33. Rf2 Rd8 34. Rd2 Ne3+ 35. Kf3 Nd5 36. c4 Nb4 37. Rxd8 Kxd8 38. a3 Nc6 39. Bb2 Ke7 40. Ke4 Kf7 41. g4 hxg4 42. hxg4 g6 43. f5 exf5+ 44. gxf5 gxf5+ 45. Kxf5 Nd4+ 46. Ke4 Nxb3 47. Kd5 Ke7 48. Kc6 Nd2 49. Kxc7 Nxc4 50. Bc3 Ke6 51. a4 Kd5 52. Kb7 Nxe5 53. Kxb6 Nc4+ 54. Kb5 Na3+ 55. Kxa5 Kc4 56. Be1 Kb3 57. Bf2 c4 58. Bd4 Nc2 59. Bh8 Ne1 60. Kb5 Nd3 1/2-1/2

[Event "Blankenburg op-B 19th"]
[Site "Blankenburg"]
[Date "2014.10.03"]
[Round "4"]
[White "Ducke, Jan"]
[Black "Abicht, Ruediger"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1506"]
[BlackElo "1724"]
[PlyCount "118"]
[EventDate "2014.10.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. d4 e6 4. Nf3 c5 5. Bf4 Nc6 6. c3 h6 7. dxc5 Bxc5 8. b4 Bd6 9. Be3 b6 10. Nd4 Nxd4 11. cxd4 Bxb4+ 12. Nd2 Bd6 13. Nc4 Bb4+ 14. Nd2 Bd7 15. 0-0 Bxd2 16. Bxd2 0-0 17. Bf4 Bc6 18. Be5 Qe7 19. Rc1 Rfc8 20. e3 Nd7 21. Bf4 g5 22. Be5 f6 23. Bf4 Bb5 24. Rxc8+ Rxc8 25. Re1 Nf8 26. Qb1 Be8 27. Rc1 Rxc1+ 28. Qxc1 gxf4 29. exf4 f5 30. Qe3 Qd6 31. Bf3 Bg6 32. Bd1 Nd7 33. Bb3 a6 34. Qc3 b5 35. Qc8+ Nf8 36. Bd1 Qb6 37. Qc3 Be8 38. Qe3 Qd6 39. Bf3 Ng6 40. Bg2 Bf7 41. Bf3 Qc7 42. Bh5 Kg7 43. Bf3 b4 44. Bd1 Qc3 45. Bb3 Qxe3 46. fxe3 Ne7 47. Kg2 Nc6 48. Kh3 Na5 49. g4 Nxb3 50. axb3 fxg4+ 51. Kxg4 Bg6 52. Kf3 Bc2 53. h3 Bxb3 54. e4 dxe4+ 55. Kxe4 Bd5+ 56. Kd3 b3 57. Kc3 a5 58. h4 a4 59. Kb2 Kf6 0-1

[Event "Blankenburg op-B 19th"]
[Site "Blankenburg"]
[Date "2014.10.03"]
[Round "3"]
[White "Ducke, Jan"]
[Black "Groebel, Henning"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1506"]
[PlyCount "30"]
[EventDate "2014.10.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d5 3. Nc3 Nf6 4. Bf4 Bf5 5. Nb5 Rc8 6. Ne5 Nxe5 7. dxe5 Nh5 8. e4 Bxe4 9. Qxh5 Qd7 10. Nxa7 Ra8 11. Nb5 Bxc2 12. e6 Qxe6+ 13. Qe5 Qxe5+ 14. Bxe5 Ra4 15. Nxc7+ Kd7 1-0

[Event "Berlin Spring op-B"]
[Site "Berlin"]
[Date "2014.05.04"]
[Round "7"]
[White "Sanasi, Marcello"]
[Black "Ducke, Jan"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1611"]
[BlackElo "1289"]
[PlyCount "84"]
[EventDate "2014.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 c6 4. c3 d6 5. Be2 Nd7 6. Qb3 Ngf6 7. h3 Nxe4 8. 0-0 d5 9. Re1 0-0 10. Bd3 Ndf6 11. Bf4 Be6 12. Qxb7 c5 13. Nbd2 Nd6 14. Bxd6 Qxd6 15. dxc5 Qxc5 16. Nb3 Qd6 17. Qb5 Nd7 18. Qa4 a6 19. Qh4 Rfe8 20. Nbd4 Nf8 21. Nxe6 Nxe6 22. Rad1 Qf4 23. Qxf4 Nxf4 24. Bc2 Rab8 25. Ba4 Red8 26. Rxe7 Rxb2 27. Bb3 Bxc3 28. Ra7 a5 29. Ng5 Bf6 30. Nxf7 Rf8 31. Nh6+ Kh8 32. Bxd5 Ne2+ 33. Kf1 Ng3+ 34. Kg1 Ne2+ 35. Kf1 Nc3 36. Nf7+ Rxf7 37. Bxf7 Nxd1 38. Rd7 Nxf2 39. Bb3 Ne4 40. Rd3 Nd2+ 41. Kg1 Nxb3 42. axb3 Kg7 0-1

[Event "Berlin Spring op-B"]
[Site "Berlin"]
[Date "2014.05.03"]
[Round "6"]
[White "Ducke, Jan"]
[Black "Hartmann, Jakob"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1289"]
[BlackElo "1757"]
[PlyCount "102"]
[EventDate "2014.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. c4 Nf6 4. d4 exd4 5. Qxd4 Nc6 6. Qd1 Bb4+ 7. Bd2 Bf5 8. Bxb4 Nxb4 9. Qa4+ Nc6 10. cxd5 Nxd5 11. e4 Qe7 12. Ne2 Nb6 13. Qc2 Nb4 14. Qc3 Bxe4 15. 0-0 Bxg2 16. Kxg2 Qe4+ 17. Kg1 0-0-0 18. Rc1 c6 19. Nf4 Qd4 20. Na3 Qxc3 21. Rxc3 Rhe8 22. Nb5 Kb8 23. Na3 g6 24. Nc4 Nxc4 25. Rxc4 Nd3 26. Nxd3 Rxd3 27. Kg2 Re2 28. b3 Rdd2 29. Rf4 f5 30. a3 Kc7 31. Kf1 Kd6 32. Re1 Rxe1+ 33. Kxe1 Rd3 34. Rb4 b6 35. Ke2 Rd5 36. Ke3 g5 37. Rd4 Kc5 38. Rxd5+ Kxd5 39. h3 h6 40. h4 c5 41. hxg5 hxg5 42. f3 c4 43. b4 b5 44. f4 g4 45. Kd2 Kd4 46. Kc2 c3 47. Kb3 Kd3 48. a4 c2 49. axb5 c1Q 50. Ka4 Kc4 51. Ka5 Qa1# 0-1

[Event "Berlin Spring op-B"]
[Site "Berlin"]
[Date "2014.05.03"]
[Round "5"]
[White "Gmerek, Henning"]
[Black "Ducke, Jan"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1357"]
[BlackElo "1289"]
[PlyCount "94"]
[EventDate "2014.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 c6 4. e3 Nf6 5. Nc3 d5 6. Rb1 0-0 7. b4 dxc4 8. Bxc4 b5 9. Be2 Be6 10. 0-0 a5 11. a3 axb4 12. axb4 Na6 13. Ng5 Nd5 14. Nxd5 Bxd5 15. Nh3 Qd6 16. Bd2 Nc7 17. Rb2 e5 18. Rc2 Bb3 19. dxe5 Bxe5 20. Qc1 Bxc2 21. Qxc2 Bxh2+ 22. Kh1 Be5 23. Bf3 Nd5 24. Ng5 Qe7 25. Nh3 Nxb4 26. Bxb4 Qxb4 27. Qxc6 Qb2 28. Qxa8 Rxa8 29. Bxa8 Qe2 30. Rb1 Bb2 31. g3 b4 32. Kg2 Bc3 33. Nf4 Qa2 34. Be4 b3 35. Kf3 b2 36. Nd5 Bg7 37. Nf4 Qa1 38. Nd5 Kf8 39. Nf4 Ke7 40. Nd5+ Kd6 41. Nf4 Kc5 42. Ne2 Kb4 43. Kf4 Qa6 44. Kf3 Qc4 45. Nf4 f5 46. Bd3 Qc6+ 47. Ke2 Kc3 0-1

[Event "Berlin Spring op-B"]
[Site "Berlin"]
[Date "2014.05.02"]
[Round "4"]
[White "Ducke, Jan"]
[Black "Kramer, Ralf"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "1289"]
[BlackElo "1403"]
[PlyCount "67"]
[EventDate "2014.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Bb5 a6 3. Bc4 e6 4. Nc3 b5 5. Be2 Nc6 6. Nf3 Nf6 7. d4 b4 8. Na4 cxd4 9. Nxd4 Bb7 10. Bf3 Ne5 11. b3 Nxf3+ 12. gxf3 Rc8 13. Bf4 d6 14. Bg3 Nh5 15. Ne2 Nxg3 16. fxg3 Be7 17. 0-0 0-0 18. Rc1 f5 19. exf5 Rxf5 20. Nd4 Rf6 21. g4 Rg6 22. Qe2 Bd5 23. Qxa6 Bg5 24. Rce1 Bf4 25. Re2 Rb8 26. Nc6 Bxc6 27. Qxc6 Rc8 28. Qe4 e5 29. Qxb4 Qh4 30. Qe1 Qh3 31. Nb2 h5 32. Nd3 hxg4 33. Nxf4 exf4 34. Rg2 1-0

[Event "Berlin Spring op-B"]
[Site "Berlin"]
[Date "2014.05.02"]
[Round "3"]
[White "Ducke, Jan"]
[Black "Lippianowski, Stefan"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1289"]
[BlackElo "915"]
[PlyCount "41"]
[EventDate "2014.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 Bb4+ 5. c3 Be7 6. b4 d6 7. d5 Nb8 8. 0-0 Nf6 9. Nbd2 a6 10. a4 Nh5 11. Nxe5 Nf4 12. Nef3 Bf6 13. e5 Bxe5 14. Nxe5 Nxg2 15. Qf3 dxe5 16. d6 Nf4 17. dxc7 Qg5+ 18. Qg3 Nh3+ 19. Kh1 Nc6 20. Ne4 Qf5 21. Nd6+ 1-0

[Event "Berlin Spring op-B"]
[Site "Berlin"]
[Date "2014.05.01"]
[Round "1"]
[White "Acikel, Mert"]
[Black "Ducke, Jan"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1695"]
[BlackElo "1289"]
[PlyCount "57"]
[EventDate "2014.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke7 8. Bxd5 Nd4 9. Qe4 Kf6 10. d3 h6 11. Qh4+ g5 12. Bxg5+ hxg5 13. Qxh8+ Kg6 14. Be4+ Bf5 15. Qxe5 Bxe4 16. Qxe4+ Kf6 17. Kd2 c6 18. Nc3 Qb6 19. Rae1 Bd6 20. h4 Bf4+ 21. Kd1 Bd6 22. hxg5+ Kxg5 23. Qh4+ Kf5 24. g4+ Kf4 25. Qg3+ Kg5 26. Rh5+ Kf6 27. Qxd6+ Kg7 28. Re7+ Kg8 29. Qg6+ 1-0

[Event "Berlin Spring op-B"]
[Site "Berlin"]
[Date "2014.05.01"]
[Round "2"]
[White "Scheck, Gero"]
[Black "Ducke, Jan"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1574"]
[BlackElo "1289"]
[PlyCount "89"]
[EventDate "2014.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nbd7 6. e3 b6 7. cxd5 exd5 8. Bb5 0-0 9. Bc6 Rb8 10. Qb3 h6 11. Bf4 Bb7 12. Bxb7 Rxb7 13. Nxd5 Bd6 14. Bxd6 cxd6 15. 0-0 Nxd5 16. Qxd5 Qc7 17. Rac1 Qb8 18. Rc6 Nf6 19. Qxd6 Qe8 20. Rfc1 Rd7 21. Qa3 Qa8 22. Rc7 Rxc7 23. Rxc7 Rc8 24. Rxc8+ Qxc8 25. Qc3 Qe6 26. Qb3 Qe4 27. Kf1 Qb1+ 28. Ke2 Ng4 29. h3 Nf6 30. Ne5 Kh7 31. Qd3+ Qxd3+ 32. Kxd3 Kg8 33. e4 Nh5 34. g3 Kf8 35. d5 Ke7 36. Kd4 a6 37. Nc6+ Kd7 38. Nb8+ Kd6 39. e5+ Ke7 40. Nxa6 f5 41. d6+ Ke6 42. Nc7+ Kd7 43. Kd5 g5 44. e6+ Kd8 45. e7+ 1-0

