[Event "Marburg op"]
[Site "Marburg"]
[Date "2024.10.27"]
[Round "6"]
[White "Duncker, Joachim"]
[Black "Hessler Carbonell, Louis"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2093"]
[BlackElo "1903"]
[PlyCount "71"]
[EventDate "2024.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. Qf3 Nf6 7. Bc4 e6 8. c3 Nbd7 9. 0-0 Nxe5 10. dxe5 Nd5 11. Bb3 Qc7 12. Re1 b6 13. Nd2 Bb7 14. Bxd5 cxd5 15. Qg3 h5 16. Nf3 Qc4 17. Bg5 Qg4 18. h3 Qxg3 19. fxg3 Bc5+ 20. Be3 Be7 21. Bd4 Kd7 22. a4 Ba6 23. b4 Bd3 24. a5 b5 25. a6 f6 26. Re3 Bc4 27. exf6 gxf6 28. Rae1 e5 29. Bxe5 fxe5 30. Nxe5+ Kd6 31. Nf7+ Kc6 32. Re6+ Bd6 33. Rxd6+ Kc7 34. Re7+ Kc8 35. Rc6+ Kb8 36. Rb7# 1-0

[Event "Marburg op"]
[Site "Marburg"]
[Date "2024.10.27"]
[Round "7"]
[White "Stephanblome, Felix"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "A54"]
[WhiteElo "1991"]
[BlackElo "2093"]
[PlyCount "33"]
[EventDate "2024.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Re8 8. Qc2 exd4 9. Nxd4 Ne5 10. 0-0 Nxd3 11. Qxd3 g6 12. Rfd1 Ng4 13. Bxe7 Qxe7 14. h3 Ne5 15. Qe2 c6 16. Rd2 Be6 17. b3 1/2-1/2

[Event "Marburg op"]
[Site "Marburg"]
[Date "2024.10.26"]
[Round "4"]
[White "Duncker, Joachim"]
[Black "Bahlo, Jens"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2093"]
[BlackElo "1899"]
[PlyCount "86"]
[EventDate "2024.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. Be2 Nbd7 6. e5 Ng8 7. Bf4 dxe5 8. dxe5 e6 9. Qd2 Nb6 10. Qxd8+ Kxd8 11. 0-0-0+ Bd7 12. Ne4 Bh6 13. Nfg5 Ke7 14. Be3 Bc6 15. Bc5+ Ke8 16. Kb1 Bxg5 17. Nxg5 Bxg2 18. Rhg1 Bd5 19. b3 h6 20. Nh3 Nd7 21. Ba3 Ne7 22. f4 c5 23. Nf2 Bc6 24. c4 a6 25. Bd3 b6 26. Be4 Bxe4+ 27. Nxe4 Nf5 28. Rd3 Ke7 29. b4 Rhc8 30. Rgd1 Ra7 31. bxc5 Nxc5 32. Bxc5+ bxc5 33. Nd6 Nxd6 34. Rxd6 Rcc7 35. Kc2 a5 36. Rb6 a4 37. Rdb1 Kd7 38. Rb8 Ke7 39. Rh8 h5 40. Rbb8 Kd7 41. Rhd8+ Ke7 42. Re8+ Kd7 43. Red8+ Ke7 1/2-1/2

[Event "Marburg op"]
[Site "Marburg"]
[Date "2024.10.26"]
[Round "5"]
[White "Mandalka, Justus"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1979"]
[BlackElo "2093"]
[PlyCount "67"]
[EventDate "2024.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Re1 0-0 7. Bf1 Nc6 8. d4 Bg4 9. d5 Ne5 10. h3 Nxf3+ 11. gxf3 Bh5 12. Qd3 c4 13. Qxc4 Bxf3 14. Nd2 Bh5 15. Nb3 Nd7 16. Nd4 Qc8 17. Qxc8 Raxc8 18. Bg5 Rfe8 19. Rac1 a6 20. b3 Rc7 21. Kg2 h6 22. Bd2 Kh7 23. f3 g5 24. Nf5 Be5 25. h4 e6 26. Nxh6 gxh4 27. Bd3 Kh8 28. Ng4 Bxg4 29. fxg4 Bg3 30. Rf1 Ne5 31. Be2 exd5 32. exd5 Ng6 33. Bd3 Ne5 34. Be2 1/2-1/2

[Event "Marburg op"]
[Site "Marburg"]
[Date "2024.10.25"]
[Round "2"]
[White "Duncker, Joachim"]
[Black "Hilgert, Felix"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2093"]
[BlackElo "1920"]
[PlyCount "54"]
[EventDate "2024.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. a3 Nd7 7. d4 dxe4 8. Nxe4 Ngf6 9. Nxf6+ Nxf6 10. Be3 Be7 11. Bd3 Nd5 12. 0-0 0-0 13. Bd2 Bf6 14. c3 Re8 15. Rad1 g6 16. Rfe1 Bg5 17. Re5 Bxd2 18. Rxd2 Qf6 19. Qxf6 Nxf6 20. g3 Rad8 21. Bc4 Rd6 22. Rde2 Red8 23. Kg2 h5 24. Ba2 Kg7 25. b4 Nd5 26. Rc2 b5 27. Re1 Nb6 1/2-1/2

[Event "Marburg op"]
[Site "Marburg"]
[Date "2024.10.25"]
[Round "3"]
[White "Paashaus, Detlef"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1912"]
[BlackElo "2093"]
[PlyCount "66"]
[EventDate "2024.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Ngf6 5. e5 dxe5 6. Nxe5 Qc7 7. Nxd7 Bxd7 8. Qe2 e6 9. Na3 a6 10. Bxd7+ Nxd7 11. Nc2 Bd6 12. d4 0-0 13. Be3 e5 14. dxc5 Nxc5 15. Bxc5 Bxc5 16. 0-0 Rfe8 17. Ne3 Bxe3 18. Qxe3 Rad8 19. Rad1 f6 20. Qf3 Qc6 21. Qxc6 bxc6 22. Rfe1 Kf7 23. Kf1 Rd5 24. c4 Rdd8 25. b4 Rb8 26. Rd7+ Re7 27. Rxe7+ Kxe7 28. Rb1 Rd8 29. a4 g5 30. Ke2 Rd4 31. b5 Kd7 32. Rd1 c5 33. Rxd4+ exd4 1/2-1/2

[Event "Marburg op"]
[Site "Marburg"]
[Date "2024.10.24"]
[Round "1"]
[White "Harounian, Daniel"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "A55"]
[WhiteElo "1818"]
[BlackElo "2093"]
[PlyCount "122"]
[EventDate "2024.10.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB16_2025"]
[SourceDate "2025.04.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. d5 c6 6. e4 cxd5 7. cxd5 Be7 8. Bd3 Nc5 9. Bc2 Bg4 10. h3 Bh5 11. 0-0 0-0 12. b4 Ncd7 13. Rb1 Rc8 14. Bd2 Nb6 15. Bd3 Nc4 16. Bxc4 Rxc4 17. Qe2 Rc8 18. Qd3 Qc7 19. Nh4 Bg6 20. Nxg6 hxg6 21. Rfc1 Qc4 22. Qxc4 Rxc4 23. f3 Rfc8 24. a4 Nh5 25. Nb5 a6 26. Na3 Rxc1+ 27. Rxc1 Rxc1+ 28. Bxc1 Ng3 29. Bd2 f5 30. Be1 Ne2+ 31. Kf1 Nf4 32. b5 fxe4 33. fxe4 Nd3 34. Nb1 Bd8 35. bxa6 bxa6 36. Ke2 Nc5 37. Nc3 Ba5 38. Ke3 Kf7 39. Bd2 Ke7 40. Kf3 Kd7 41. h4 Nxa4 42. Nxa4 Bxd2 43. Kg4 Be3 44. h5 gxh5+ 45. Kxh5 Ke7 46. Kg6 Kf8 47. g3 Bd4 48. g4 a5 49. g5 Kg8 50. Kf5 Kf7 51. Kg4 Kg6 52. Kh4 Be3 53. Nb2 Bxg5+ 54. Kg4 Bd2 55. Nc4 Bb4 56. Nb6 Bc5 57. Na4 Bd4 58. Kh4 Kh6 59. Kg4 g6 60. Kh4 g5+ 61. Kg4 Kg6 0-1

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2024.04.14"]
[Round "11.8"]
[White "Benninger, Rudolf"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1991"]
[BlackElo "2073"]
[PlyCount "44"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Heusenstamm"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Bc4 Nb6 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. Nf3 Nc6 10. 0-0 dxe5 11. dxe5 Qxd1 12. Rxd1 e6 13. Nc3 Be7 14. Be3 Nc4 15. Nb5 0-0 16. Bf4 Rfd8 17. Nd6 Bxd6 18. exd6 e5 19. Bg3 f6 20. Nd2 Nxd6 21. f4 Nf5 22. Rac1 Ne3 0-1

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2024.04.13"]
[Round "10.7"]
[White "Tischendorf, Michael"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2165"]
[BlackElo "2073"]
[PlyCount "70"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hofheim II"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. e3 Be7 6. Nf3 0-0 7. Ne5 Nd7 8. Bd3 Nxe5 9. Bxe5 c6 10. Qh5 f5 11. Nc3 Nb4 12. 0-0-0 Nxd3+ 13. Rxd3 Bd7 14. f3 Bf6 15. f4 c5 16. Bxf6 Rxf6 17. Qf3 c4 18. Rd2 b5 19. Kd1 Rc8 20. Nb1 b4 21. c3 Qa5 22. a3 bxa3 23. Nxa3 Be8 24. h3 Rb8 25. Ke2 Rf7 26. Ra1 Qd8 27. g3 Rfb7 28. Nc2 a5 29. Ra3 Rxb2 30. Qf1 Rb1 31. Qg2 Rc1 32. Kf3 Bh5+ 33. g4 fxg4+ 34. hxg4 Bg6 35. Kg3 Rbb1 0-1

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2024.03.17"]
[Round "9.6"]
[White "Steyer, Bernd"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2149"]
[BlackElo "2077"]
[PlyCount "32"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Eppstein"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 e6 5. Nf3 cxd4 6. Bc4 Nb6 7. Bb3 Nc6 8. cxd4 Bb4+ 9. Nc3 d6 10. 0-0 dxe5 11. dxe5 Qxd1 12. Rxd1 Bxc3 13. bxc3 Bd7 14. Be3 Na5 15. Bxb6 axb6 16. Rab1 Ke7 1/2-1/2

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2024.03.16"]
[Round "8.5"]
[White "Minor, Samuel"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2224"]
[BlackElo "2077"]
[PlyCount "111"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Wiesbaden"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bd3 g6 6. Re1 Bg7 7. c3 e6 8. Bf1 Ne7 9. d4 0-0 10. Bf4 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Bh6 Bg7 14. Bxg7 Kxg7 15. Nd2 Qc7 16. g3 Be6 17. Bg2 Rad8 18. c4 Nc6 19. Qc2 Qe7 20. f4 f6 21. Qc3 Nd4 22. Rac1 Qd7 23. a3 Bh3 24. Bh1 Bg4 25. Qd3 Qa4 26. Bg2 Rfe8 27. h3 Bd7 28. Qc3 Be6 29. g4 Bf7 30. Nf3 Nxf3+ 31. Bxf3 Qd7 32. Kg2 Qe7 33. g5 Be6 34. Re2 Kf7 35. h4 fxg5 36. hxg5 Kg8 37. Qf6 Qxf6 38. gxf6 b5 39. cxb5 axb5 40. e5 dxe5 41. fxe5 Rc8 42. Rd2 c4 43. Kg3 Rc5 44. Re2 Bf5 45. Rce1 Kf7 46. Kf4 Bd3 47. Re3 Bf5 48. Rh1 Rh8 49. Rd1 Be6 50. Rd6 h5 51. Rb6 Rhc8 52. Kg5 R8c7 53. Rb8 c3 54. bxc3 Rxc3 55. Be4 Bf5 56. e6+ 1-0

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2024.02.25"]
[Round "7.8"]
[White "Koller, Jens"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2137"]
[BlackElo "2074"]
[PlyCount "119"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 h6 9. Bxf6 Nxf6 10. 0-0-0 Qc7 11. g4 b5 12. Bg2 Bb7 13. Rhe1 Be7 14. g5 hxg5 15. fxg5 Nd7 16. g6 Bg5+ 17. Kb1 Ne5 18. gxf7+ Qxf7 19. Qe2 b4 20. Na4 Rc8 21. Nf3 Nxf3 22. Bxf3 Qc7 23. Bg4 Bf4 24. h3 Ke7 25. Bxe6 Qxc2+ 26. Qxc2 Rxc2 27. Kxc2 Kxe6 28. Nb6 Rxh3 29. Nd5 Rh2+ 30. Kb3 Be5 31. Kxb4 Rxb2+ 32. Ka3 Rh2 33. Re3 Bb2+ 34. Kb3 Be5 35. Nc7+ Kd7 36. Nd5 Bc6 37. Rf1 Rb2+ 38. Ka3 Rb5 39. Nb4 Bd4 40. Rf7+ Ke6 41. Re7+ Kxe7 42. Nxc6+ Kf6 43. Rf3+ Kg5 44. Nxd4 Re5 45. Rf5+ Kg4 46. Rxe5 dxe5 47. Ne6 g6 48. Kb4 Kf3 49. Kc4 Kxe4 50. Nc5+ Kf3 51. Nd3 e4 52. Ne5+ Kf2 53. Kd4 e3 54. Ng4+ Kf3 55. Nxe3 g5 56. a4 a5 57. Kd3 g4 58. Nc4 g3 59. Nd2+ Kf4 60. Ke2 1-0

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2024.02.24"]
[Round "6.8"]
[White "Duncker, Joachim"]
[Black "Kleschtschow, Juri"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2074"]
[BlackElo "2110"]
[PlyCount "145"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nc3 d5 3. d3 dxe4 4. Nxe4 Nf6 5. Qe2 e6 6. Nf3 Be7 7. h3 c5 8. g4 Nc6 9. Bg2 Nxe4 10. dxe4 e5 11. c3 Qa5 12. 0-0 Be6 13. Rd1 0-0 14. Bd2 Rfd8 15. b3 Rd7 16. c4 Qc7 17. Be1 Rad8 18. Rxd7 Qxd7 19. Bc3 f6 20. Kh2 Qd3 21. Qxd3 Rxd3 22. Rc1 Bd8 23. Ne1 Rd7 24. Bf1 Ba5 25. Bxa5 Nxa5 26. Nd3 b6 27. f4 exf4 28. Nxf4 Rd2+ 29. Kg3 Kf7 30. Ra1 Nc6 31. Nd3 Ne5 32. Nxe5+ fxe5 33. Kf3 Kf6 34. Be2 Kg5 35. Ke3 Rd4 36. h4+ Kxh4 37. Rh1+ Kg5 38. Rxh7 Rd7 39. Rh5+ Kf6 40. Rh8 Kg6 41. Rh5 Kf6 42. Rh8 Bf7 43. Rc8 Rb7 44. Rd8 Be6 45. Rh8 Bd7 46. a4 Rc7 47. Rh1 Rc8 48. Rh2 Rb8 49. Rh1 a6 50. Rf1+ Ke7 51. Rh1 Be6 52. g5 b5 53. axb5 axb5 54. Ra1 Rb7 55. Ra5 bxc4 56. Bxc4 Bxc4 57. bxc4 Rb3+ 58. Kf2 Rb1 59. Kf3 Rb3+ 60. Kg4 g6 61. Rxc5 Kd6 62. Ra5 Re3 63. Ra6+ Kc5 64. Rxg6 Rxe4+ 65. Kf5 Re1 66. Re6 Kd4 67. g6 Rf1+ 68. Kg5 e4 69. g7 e3 70. Kh6 Kxc4 71. g8Q Rh1+ 72. Kg7 Rg1+ 73. Rg6+ 1-0

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2024.01.14"]
[Round "5.8"]
[White "Wohlfart, Paulus"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2108"]
[BlackElo "2152"]
[PlyCount "107"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Moerlenbach Birkenau"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Bd2 0-0 7. e3 a6 8. Qc2 Re8 9. a3 Bxc3 10. Bxc3 Ne4 11. Bd3 Nxc3 12. Qxc3 Bd7 13. 0-0 Qf6 14. e4 dxc4 15. Qxc4 Rac8 16. e5 Qh6 17. Be4 Nd8 18. Qb3 Qf4 19. Qe3 Qxe3 20. fxe3 f5 21. exf6 gxf6 22. Rac1 f5 23. Bd3 Nf7 24. e4 fxe4 25. Bxe4 Nd6 26. Rfe1 Rf8 27. Ne5 Ba4 28. Rc3 Rf4 29. Rg3+ Kh8 30. Bb1 Rf6 31. Ng4 Rf4 32. Ne5 Rf6 33. Rh3 Nf5 34. b3 Bc6 35. Nxc6 bxc6 36. Rxe6 Rxe6 37. Bxf5 Re1+ 38. Kf2 Rce8 39. Rxh7+ Kg8 40. Rxc7 R1e2+ 41. Kf3 R2e3+ 42. Kf4 Rxb3 43. Rxc6 Rxa3 44. d5 Ra4+ 45. Kg5 Rd8 46. Be6+ Kf8 47. h4 a5 48. Ra6 Ra1 49. Ra7 a4 50. h5 Ra2 51. g4 a3 52. h6 Ra1 53. h7 Rh1 54. Kg6 1-0

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2024.01.13"]
[Round "4.8"]
[White "Duncker, Joachim"]
[Black "Nies, Peter"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2152"]
[BlackElo "2058"]
[PlyCount "126"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Gernsheim"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bg4 5. h3 Bh5 6. Qe2+ Ne7 7. Nc3 Nbc6 8. g4 Bg6 9. Bf4 Nb4 10. 0-0-0 Bxc2 11. Qb5+ Nec6 12. Re1+ Be7 13. a3 a6 14. Rxe7+ Qxe7 15. Qxb7 0-0 16. axb4 Be4 17. Nxe4 Qxe4 18. Nd2 Qe1+ 19. Kc2 Nxd4+ 20. Kd3 Ne6 21. Be3 Qc1 22. Bg2 Qxb2 23. Qc6 Qf6 24. Rc1 d4 25. Ne4 Qe5 26. Bd2 Rab8 27. Ke2 Rb6 28. Qc4 h5 29. Kf1 hxg4 30. hxg4 Qh2 31. Nc5 Nf4 32. Bxf4 Qxf4 33. Rd1 Rd8 34. Bd5 Rf6 35. Ne4 Rh6 36. Ng3 c6 37. Rxd4 cxd5 38. Rxf4 dxc4 39. Rxc4 Rb8 40. Nf5 Rh1+ 41. Kg2 Re1 42. Ne3 g6 43. Rc6 Ra1 44. Nd5 Kg7 45. Rc5 Rb5 46. Rxb5 axb5 47. Nc3 Ra3 48. Nxb5 Rb3 49. f3 Rxb4 50. Nc3 Rb2+ 51. Kg3 Kf6 52. Nd1 Rb3 53. Nf2 Ke5 54. Nh3 Kd4 55. g5 Ke3 56. Nf4 Rb5 57. Ng2+ Ke2 58. Nf4+ Kf1 59. Nh3 Ra5 60. Kg4 Ke2 61. Nf4+ Ke3 62. Ng2+ Kf2 63. Nh4 Ra3 0-1

[Event "Staufer op 34th"]
[Site "Schwaebisch Gmuend"]
[Date "2024.01.02"]
[Round "1"]
[White "Buckels, Valentin"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2438"]
[BlackElo "2152"]
[PlyCount "77"]
[EventDate "2024.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 cxd4 7. exd4 Nh5 8. Be3 Bd6 9. Ne5 g6 10. Nd3 Qc7 11. g3 Ng7 12. Bg2 Nf5 13. 0-0 Bd7 14. Bg5 Be7 15. Bf4 Bd6 16. Bxd6 Qxd6 17. b4 0-0 18. Nf3 Qc7 19. a4 Nd8 20. Nc5 Be8 21. Qd2 b6 22. Na6 Qb7 23. b5 Nd6 24. Qf4 Nc4 25. Rfe1 Rc8 26. Ra2 Kg7 27. h4 h6 28. Nh2 f6 29. g4 g5 30. Qg3 Qd7 31. Rae2 Bf7 32. Nf1 Qd6 33. Qh3 Nb7 34. Nb4 Rce8 35. Ng3 Qd7 36. Nxd5 exd5 37. Nf5+ Kg6 38. hxg5 Rh8 39. Qh5+ 1-0

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2023.12.03"]
[Round "3.6"]
[White "Duncker, Joachim"]
[Black "Dubiel, Jacek"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2148"]
[BlackElo "2373"]
[PlyCount "39"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 g6 6. 0-0 Bg7 7. c4 d6 8. h3 Nbd7 9. Nc3 Qe7 10. Bh2 e5 11. Be2 e4 12. Nd2 0-0 13. a4 a5 14. Qc2 Rfe8 15. Nb5 Rec8 16. Rab1 Ne8 17. Nc3 Nef6 18. Nb5 Ne8 19. Na3 Nef6 20. Nb5 1/2-1/2

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2023.12.02"]
[Round "2.7"]
[White "Duncker, Joachim"]
[Black "Dunsbach, Ralf"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2148"]
[BlackElo "2074"]
[PlyCount "114"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Bad Homburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. e3 e6 5. Be2 Be7 6. h3 0-0 7. 0-0 c5 8. c3 d6 9. a4 Nc6 10. Na3 d5 11. Bh2 Rc8 12. Ne5 a6 13. Bd3 Nxe5 14. dxe5 Ne8 15. Qe2 Nc7 16. Rfd1 Qe8 17. Nb1 Qc6 18. Nd2 b5 19. Qg4 Ne8 20. axb5 axb5 21. Ra5 c4 22. Bf1 f5 23. Qe2 Nc7 24. Nf3 Ra8 25. Raa1 Qb6 26. Nd4 b4 27. g4 Nb5 28. Rxa8 Bxa8 29. gxf5 Nxd4 30. exd4 Rxf5 31. Ra1 Bb7 32. Bg3 Rf8 33. Qd1 Ra8 34. Rxa8+ Bxa8 35. Qa1 Bb7 36. h4 Qa6 37. Qxa6 Bxa6 38. cxb4 Bxb4 39. Bf4 Bc8 40. Be2 Bd7 41. Bd1 Bb5 42. Bc2 Be8 43. Kg2 Bg6 44. Bxg6 hxg6 45. Kf3 Kf7 46. Ke2 Bf8 47. Bg5 Bb4 48. Kd1 Ba5 49. Kc2 Be1 50. Be3 Ke8 51. Kd1 Ba5 52. Kc2 Be1 53. Kd1 Ba5 54. Ke2 Bd8 55. Bg5 Bb6 56. Be3 Bd8 57. Bg5 Bb6 1/2-1/2

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.29"]
[Round "6"]
[White "Duncker, Joachim"]
[Black "Von Bargen, Lukas"]
[Result "0-1"]
[ECO "A44"]
[WhiteElo "2195"]
[BlackElo "1968"]
[PlyCount "68"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. Nc3 e5 5. e4 a6 6. a4 Be7 7. Be2 0-0 8. 0-0 Nbd7 9. Nd2 Ne8 10. Nc4 Nb6 11. f4 Nxc4 12. Bxc4 Bf6 13. f5 Bg5 14. Qh5 Bxc1 15. Raxc1 Bd7 16. Rf3 Nf6 17. Qh4 Rb8 18. Rh3 b5 19. axb5 axb5 20. Bf1 h6 21. Nd1 Ra8 22. Nf2 Ra4 23. c4 bxc4 24. Rg3 Kh8 25. Bxc4 Qa5 26. Rgc3 Rb8 27. Ng4 Nxg4 28. Qxg4 Ra1 29. Qd1 Rxb2 30. Rf3 Rxc1 31. Qxc1 Qb4 32. Rf1 Bb5 33. f6 Qxc4 34. fxg7+ Kxg7 0-1

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.29"]
[Round "7"]
[White "Krausse, Eckhard"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1867"]
[BlackElo "2195"]
[PlyCount "39"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bd3 Nf6 6. Nge2 Bg4 7. Bd2 e6 8. f3 Bh5 9. Ne4 Qd8 10. c4 Be7 11. Bc3 0-0 12. Qc2 Bg6 13. Nf4 Nxe4 14. fxe4 Bg5 15. 0-0 Nd7 16. Nxg6 hxg6 17. e5 Nb6 18. Rae1 Bh6 19. Rf3 Qe7 20. a3 1/2-1/2

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.28"]
[Round "5"]
[White "Duncker, Joachim"]
[Black "Risius, Philipp"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "2195"]
[BlackElo "1967"]
[PlyCount "96"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. c4 g6 4. Bf4 d6 5. h3 Bg7 6. e3 0-0 7. Nbd2 Qe8 8. Rb1 Nh5 9. Bh2 e5 10. dxe5 dxe5 11. Be2 Nc6 12. Nb3 Qe7 13. Qd5+ Kh8 14. 0-0 f4 15. exf4 Rd8 16. Qc5 Qxc5 17. Nxc5 b6 18. fxe5 bxc5 19. g4 Rf8 20. gxh5 Bxh3 21. Rfe1 Bg4 22. Nd2 Bxe2 23. Rxe2 Nd4 24. Re4 Bh6 25. f4 Bxf4 26. Bxf4 Rxf4 27. e6 Re8 28. Rf1 Rxe4 29. Nxe4 Rxe6 30. Ng5 Re7 31. hxg6 hxg6 32. Nh3 Kg7 33. Rf2 Re4 34. Kf1 Ne6 35. b3 g5 36. Rd2 Kf6 37. Nf2 Rd4 38. Re2 Kf5 39. Nh1 Nf4 40. Re1 Rd2 41. Ng3+ Kg4 42. Ne4 Rxa2 43. Nxg5 Kxg5 44. Re7 Kg4 45. Rxc7 Kf3 46. Ke1 Ke3 47. Kd1 Nd3 48. Re7+ Kd4 0-1

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.28"]
[Round "4"]
[White "Tuhacek, Christian"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1913"]
[BlackElo "2195"]
[PlyCount "144"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bf5 5. d3 h6 6. Nbd2 Nbd7 7. Re1 Bh7 8. b3 e6 9. Bb2 Be7 10. Ne5 Nxe5 11. Bxe5 0-0 12. a3 Nd7 13. Bb2 Bf6 14. Bxf6 Qxf6 15. e4 Qc3 16. Nf1 Rfd8 17. Qd2 Qf6 18. Qe3 Qc3 19. Qd2 Qc5 20. b4 Qb6 21. Qe3 Nf6 22. e5 d4 23. Qe2 Nd5 24. Bxd5 cxd5 25. Nd2 a5 26. Rab1 a4 27. Rbd1 Rdc8 28. Nb1 Rc6 29. Rd2 Rac8 30. Rc1 Bf5 31. Kg2 g5 32. Qh5 Kg7 33. h3 Qc7 34. Qe2 f6 35. f4 gxf4 36. gxf4 Qf7 37. Kh2 Kh7 38. Rg1 Rg8 39. Rxg8 Kxg8 40. Qf3 Kh7 41. Rg2 Rc8 42. Qg3 Bg6 43. Qh4 Rf8 44. exf6 Qxf6 45. Qxf6 Rxf6 46. Kg3 Rf7 47. Rf2 Rc7 48. Kh4 Kg7 49. Kg4 Bf5+ 50. Kg3 Kf7 51. Rg2 Rc8 52. Kh4 Kf6 53. Kg3 Kf7 54. Kh4 Bg6 55. Kg4 Rg8 56. Kh4 Kf6 57. Nd2 Rc8 58. Nb1 Kf5 59. Rf2 Bf7 60. Rg2 Rc7 61. Rf2 Be8 62. Re2 Rc8 63. Rf2 Bf7 64. Rg2 Rc7 65. Rf2 Bg6 66. Rg2 Be8 67. Rf2 Bb5 68. Kh5 Rc8 69. Kh4 h5 70. Re2 Kxf4 71. Kxh5 e5 72. Rg2 Rh8+ 0-1

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.27"]
[Round "3"]
[White "Duncker, Joachim"]
[Black "Bietz, Fabian"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2195"]
[BlackElo "1931"]
[PlyCount "84"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. c3 0-0 6. Bg3 Re8 7. Nbd2 Nbd7 8. Bd3 b6 9. Ne5 Nxe5 10. dxe5 Bf8 11. Qh5 g6 12. Qe2 Nd7 13. h4 Nc5 14. Bb5 Bd7 15. Bxd7 Qxd7 16. h5 Qa4 17. b3 Qa6 18. Qxa6 Nxa6 19. hxg6 fxg6 20. Ke2 Rad8 21. Rh4 Nc5 22. Rah1 Rd7 23. Rc1 Bg7 24. b4 Nb7 25. Bf4 Nd8 26. Nf3 c5 27. Bg3 Bf8 28. b5 Nb7 29. Rd1 Na5 30. Ng5 h6 31. Ne4 Bg7 32. Nf6+ Bxf6 33. exf6 Rh7 34. Be5 Nc4 35. f4 Kf7 36. a4 Ra8 37. Rdh1 Rah8 38. g3 Na5 39. R4h2 Nc4 40. Kf3 h5 41. Ke2 g5 42. Kd3 g4 1/2-1/2

[Event "Marburg op-A"]
[Site "Marburg"]
[Date "2023.10.27"]
[Round "2"]
[White "Zobel, Christian Erik"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "A68"]
[WhiteElo "1831"]
[BlackElo "2195"]
[PlyCount "86"]
[EventDate "2023.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f4 0-0 6. Nf3 Bg4 7. Be2 c5 8. d5 e6 9. 0-0 exd5 10. cxd5 Nbd7 11. h3 Bxf3 12. Bxf3 Re8 13. g4 h6 14. Kh2 c4 15. Be3 Qa5 16. Bd4 Rac8 17. Re1 Nc5 18. Bxc5 Qxc5 19. Qd2 Nd7 20. e5 dxe5 21. f5 Qd4 22. Qg2 Qf4+ 23. Kh1 e4 24. Bxe4 Bxc3 25. bxc3 Nc5 26. Bc2 Nd3 27. Rf1 Qe5 28. Rad1 Nf4 29. Qf3 g5 30. d6 Rcd8 31. d7 Re7 32. Rd4 Rexd7 33. Rxc4 Rd2 34. Re4 Qc7 35. Bb1 Nh5 36. Rf2 Ng3+ 37. Kg2 Rxf2+ 38. Kxf2 Nxe4+ 39. Qxe4 Qh2+ 40. Ke1 Qg1+ 41. Ke2 Qd1+ 42. Ke3 Qd2+ 43. Kf3 Qxc3+ 0-1

[Event "Oberliga Ost-B 2324"]
[Site "Germany"]
[Date "2023.10.22"]
[Round "1.6"]
[White "Duzy, Stefan"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1952"]
[BlackElo "2195"]
[PlyCount "125"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Erfurt SK II"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. d4 exd5 5. Nc3 Be7 6. Bd3 dxc4 7. Bxc4 0-0 8. Nf3 Nbd7 9. h3 Nb6 10. Bb3 Nbd5 11. 0-0 h6 12. Ne5 Be6 13. Bc2 c5 14. Be3 Qa5 15. Nxd5 Bxd5 16. dxc5 Qc7 17. Ng4 Bc4 18. Re1 Rfd8 19. Qf3 Be6 20. Bf4 Qxc5 21. Rac1 Qd5 22. Nxf6+ Bxf6 23. Be4 Qxa2 24. Bxb7 Rab8 25. Bxb8 Rxb8 26. Ra1 Qxb2 27. Rxa7 Qb4 28. Qe4 Qxe4 29. Bxe4 g6 30. Bxg6 Rb2 31. Rxe6 fxe6 32. Bf7+ Kf8 33. Bxe6 Bd4 34. Rf7+ Ke8 35. g3 Re2 36. Bd5 Re5 37. Bb3 Re1+ 38. Kg2 Rb1 39. Rf3 Rb2 40. Bd5 Ke7 41. Rf4 Bc5 42. Bc4 Rc2 43. Bd3 Rd2 44. Bg6 Rb2 45. Bh5 Rd2 46. h4 Rb2 47. Bg4 Rb4 48. Rxb4 Bxb4 49. Kf1 Kf6 50. f4 Kg7 51. Bd7 Be7 52. Kg2 Bd8 53. Kh3 Be7 54. g4 Bd6 55. Kg3 Bc7 56. Kf3 Bd8 57. g5 hxg5 58. fxg5 Kh8 59. Kg4 Ba5 60. Kf5 Be1 61. h5 Bd2 62. g6 Kg7 63. Be6 1/2-1/2

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2023.03.19"]
[Round "11.5"]
[White "Rempel, Patrick"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "2028"]
[BlackElo "2200"]
[PlyCount "62"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Bg2 Be7 7. Nc3 0-0 8. Nf3 Qa5 9. Bd2 b5 10. a3 Qb6 11. b4 Nbd7 12. 0-0 Bb7 13. e4 Rfe8 14. Qb1 a6 15. a4 Rab8 16. axb5 axb5 17. Be3 Ng4 18. bxc5 Nxc5 19. Bd4 Bf6 20. Na4 Qc7 21. Nxc5 dxc5 22. Rc1 Qe7 23. Bxf6 Nxf6 24. e5 Nxd5 25. Ra7 b4 26. h4 h6 27. e6 Nc3 28. exf7+ Qxf7 29. Rxc3 bxc3 30. Qc2 Be4 31. Qa4 Qxa7 0-1

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2023.03.18"]
[Round "10.5"]
[White "Duncker, Joachim"]
[Black "Prokofyev, Valentyn"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2200"]
[BlackElo "2328"]
[PlyCount "72"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Bad Emstal/Wolfhagen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 0-0 9. 0-0 cxd5 10. h3 c6 11. Qf3 Bd6 12. Bf4 Rb8 13. b3 Be6 14. Bxd6 Qxd6 15. Qg3 Qb4 16. a3 Qe7 17. Rfe1 c5 18. Bf5 Rbe8 19. f3 c4 20. Bxe6 fxe6 21. Qf2 cxb3 22. cxb3 e5 23. b4 d4 24. Ne4 Nd5 25. Qa2 Rd8 26. Nf2 Kh8 27. Ng4 Rf5 28. Qc2 Qe6 29. Qf2 h5 30. Qh4 Rdf8 31. Rad1 Kg8 32. Nf2 Qg6 33. Rd2 Ne3 34. g4 Rxf3 35. Qxh5 Rg3+ 36. Kh1 Qc6+ 0-1

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2023.02.26"]
[Round "9.6"]
[White "Duncker, Joachim"]
[Black "Klings, Peter"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2200"]
[BlackElo "2050"]
[PlyCount "49"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Moerlenbach Birkenau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. h3 e5 6. Be2 Ne7 7. 0-0 0-0 8. Re1 Qc7 9. b3 d4 10. Bb2 c5 11. c3 dxc3 12. Bxc3 Nbc6 13. Rc1 Qb8 14. Rc2 b6 15. Qa1 a5 16. Nc4 f6 17. a4 Be6 18. Nfd2 Nb4 19. Bxb4 axb4 20. Ra2 Bh6 21. Qb2 Nc6 22. Rea1 Na5 23. Qc2 Bxd2 24. Nxd2 Rd8 25. Rf1 1/2-1/2

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2023.02.25"]
[Round "8.6"]
[White "Peterson, Emery"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2175"]
[BlackElo "2200"]
[PlyCount "89"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Gernsheim"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Qxe2 Qxd5 6. Nf3 e6 7. 0-0 Nc6 8. Nc3 Qf5 9. Be3 Bb4 10. Nb5 Ba5 11. c4 a6 12. Na3 Bb4 13. Nc2 Be7 14. h3 0-0 15. Rfd1 Rad8 16. Rac1 h5 17. a3 Rd7 18. b4 Ne4 19. Na1 Bf6 20. Nb3 Rfd8 21. Re1 b6 22. Rc2 Ne7 23. Bc1 Nd6 24. Kh2 Ng6 25. g3 e5 26. dxe5 Nxe5 27. Nfd4 Qd3 28. c5 Nb5 29. Bf4 Nxd4 30. Nxd4 Rxd4 31. Bxe5 Bxe5 32. Qxd3 Rxd3 33. Rxe5 h4 34. gxh4 Rxa3 35. Re7 bxc5 36. Rxc5 Rd4 37. Rcxc7 Rf4 38. Re8+ Kh7 39. Re2 Rb3 40. Ra7 Rf6 41. Ra2 Rxb4 42. R7xa6 Rxa6 43. Rxa6 Rxh4 44. Kg3 Rb4 45. Rc6 1/2-1/2

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2023.02.05"]
[Round "7.7"]
[White "Geske, Bruna"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2025"]
[BlackElo "2200"]
[PlyCount "120"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Wiesbaden"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. c4 a6 5. Bxd7+ Bxd7 6. d4 e6 7. dxe6 Bxe6 8. d5 Bg4 9. Nf3 Qe7+ 10. Qe2 Bxf3 11. gxf3 0-0-0 12. Qxe7 Bxe7 13. 0-0 Nd7 14. Nd2 Bb4 15. b3 Ne5 16. Kg2 c6 17. a3 Bxd2 18. Bxd2 cxd5 19. cxd5 Rxd5 20. Rfc1+ Nc6 21. Be3 Re8 22. b4 Re6 23. a4 Rg6+ 24. Kf1 Kd7 25. Rab1 Rf6 26. b5 axb5 27. axb5 Ne5 28. f4 Ng4 29. b6 Nxe3+ 30. fxe3 Rc6 31. Ke2 Rh5 32. Rd1+ Ke7 33. Rg1 Rxh2+ 34. Kf3 g6 35. Rgc1 Rhc2 36. Rd1 Rd6 37. Rh1 h5 38. Rb3 Rdd2 39. Rb5 Rb2 40. Rb1 Rxb5 41. Rxb5 Kd6 42. f5 Kc6 43. Rb3 Rd5 44. e4 Rb5 45. Rd3 gxf5 46. exf5 Rxf5+ 47. Ke4 Rf6 48. Rh3 Rh6 49. Rf3 f6 50. Kf5 h4 51. Rh3 Kxb6 52. Ke6 Kc5 53. Kf7 f5 54. Kg7 Rd6 55. Rxh4 b5 56. Rf4 Rd5 57. Kf6 b4 58. Rf1 Kc4 59. Ke6 Rb5 60. Rf4+ Kd3 0-1

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2023.02.04"]
[Round "6.7"]
[White "Duncker, Joachim"]
[Black "Barpiyeva, Gulsana"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2200"]
[BlackElo "2022"]
[PlyCount "163"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Hofheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 4. g3 d6 5. Bg2 Nge7 6. a3 a6 7. Rb1 Rb8 8. b4 b5 9. d3 g6 10. Be3 cxb4 11. axb4 Bg7 12. Qd2 Qc7 13. 0-0 0-0 14. Bh6 Bd7 15. Bxg7 Kxg7 16. Nd1 Rfc8 17. Ne3 a5 18. Qc3+ e5 19. bxa5 Nxa5 20. Qd2 Be6 21. f4 f6 22. Rf2 Nac6 23. Rbf1 Rf8 24. g4 Qa5 25. Qc1 Nd4 26. Ng3 exf4 27. Rxf4 Rbc8 28. g5 fxg5 29. Rxf8 Rxf8 30. Rxf8 Kxf8 31. Nd5 Bxd5 32. exd5 Nef5 33. Qf1 Qc3 34. Be4 Qxc2 35. Bxf5 gxf5 36. Nxf5 Ne2+ 37. Kh1 Nf4 38. h4 Qxd3 39. Qxd3 Nxd3 40. Nxd6 b4 41. hxg5 Nf4 42. Kh2 Nxd5 43. Kg3 Kg7 44. Kf3 b3 45. Nc4 Kg6 46. Ke4 Nc3+ 47. Kd3 Na4 48. Nd2 b2 49. Kc2 Kxg5 50. Kb3 Nc5+ 51. Kxb2 Kf4 52. Kc2 Kg3 53. Kd1 Kf2 54. Nc4 h5 55. Ne5 h4 56. Ng4+ Kg3 57. Ne3 Kf3 58. Nf1 Ne4 59. Ke1 h3 60. Nh2+ Kg2 61. Ng4 Nf6 62. Ne3+ Kg1 63. Nf1 Ne4 64. Ke2 Ng5 65. Ke1 Nf3+ 66. Ke2 Ne5 67. Ke1 Nd3+ 68. Ke2 Nf4+ 69. Ke1 Ng2+ 70. Ke2 Ne3 71. Nd2 Kg2 72. Nf3 Ng4 73. Ne1+ Kg3 74. Nf3 Ne5 75. Ng5 h2 76. Ne4+ Kg2 77. Nf2 Ng4 78. Nh1 Kxh1 79. Kf1 Ne3+ 80. Kf2 Ng2 81. Kf1 Nf4 82. Kf2 1/2-1/2

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2022.11.27"]
[Round "5.6"]
[White "Duncker, Joachim"]
[Black "Mehlhorn, Uwe"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2200"]
[BlackElo "2021"]
[PlyCount "103"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Stadtilm Blau Weiss"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 g6 3. Bd3 Bg7 4. c3 e5 5. Be3 c6 6. Nf3 Qc7 7. h3 b6 8. Qe2 Ne7 9. Na3 a5 10. 0-0 0-0 11. Rad1 Ba6 12. Bxa6 Rxa6 13. dxe5 dxe5 14. Qc4 Ra7 15. Qb3 Nc8 16. Rd2 Rb7 17. Rfd1 Re8 18. Bg5 Ne7 19. Nc4 a4 20. Qb4 Na6 21. Nd6 Rf8 22. Qxa4 Ra7 23. Bxe7 Qxe7 24. Qxc6 Nb8 25. Qxb6 Rxa2 26. Nc8 Qe8 27. Qxb8 Qxc8 28. Qxc8 Rxc8 29. Rd8+ Rxd8 30. Rxd8+ Bf8 31. Nxe5 Kg7 32. b4 Be7 33. Rd3 Rc2 34. Nc6 Bg5 35. b5 Rb2 36. Rd5 Bd2 37. Rd3 Be1 38. Rf3 Rxb5 39. Kf1 Bd2 40. Ke2 Bg5 41. Nb4 Be7 42. Nd5 Rb2+ 43. Kd3 Bc5 44. Ne3 Kf8 45. g4 h6 46. e5 Ke7 47. Ke4 Rb1 48. Nd5+ Ke8 49. Nf6+ Kd8 50. Kd5 Be7 51. Ne4 Rb5+ 52. Kd4 1-0

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2022.11.26"]
[Round "4.5"]
[White "Duncker, Joachim"]
[Black "Riedel, Finn"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2200"]
[BlackElo "2138"]
[PlyCount "76"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Weimar Vimaria"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. 0-0 Nge7 7. Qe1 0-0 8. d3 d5 9. Bb3 Nd4 10. Nxd4 cxd4 11. Ne2 dxe4 12. dxe4 a5 13. Bc4 Qb6 14. Bd3 Bd7 15. Qh4 Qc5 16. a4 Rfe8 17. b3 Qb6 18. Bb2 Rac8 19. Qf2 Nc6 20. f5 exf5 21. exf5 Bxf5 22. Bxf5 gxf5 23. Kh1 Rcd8 24. Ng3 Ne7 25. Rae1 Qg6 26. Ba3 f4 27. Rxe7 fxg3 28. Qxf7+ Qxf7 29. Rfxf7 Rxe7 30. Rxe7 Bf8 31. Re5 Bxa3 32. Rxa5 Rc8 33. hxg3 Rxc2 34. Rd5 Rc1+ 35. Kh2 Rd1 36. Rd8+ Kf7 37. Rd7+ Ke6 38. Rxb7 d3 0-1

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2022.10.23"]
[Round "3.7"]
[White "Duncker, Joachim"]
[Black "Weiss, Matthias"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2200"]
[BlackElo "1980"]
[PlyCount "71"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. d4 Nf6 6. Bg5 Nc6 7. Bg2 cxd4 8. Nxd5 Be7 9. Bxf6 Bxf6 10. Ne2 0-0 11. 0-0 Bg4 12. h3 Bxe2 13. Qxe2 g6 14. Nxf6+ Qxf6 15. Rfe1 Rfd8 16. Qb5 Rd6 17. Re4 Rad8 18. Rae1 R8d7 19. Rf4 Qd8 20. h4 Re7 21. Rfe4 Rxe4 22. Rxe4 Qd7 23. Qe2 Kg7 24. h5 f5 25. Re8 Kf7 26. Bxc6 bxc6 27. Rh8 Kf6 28. h6 Re6 29. Qd2 Re7 30. Rf8+ Rf7 31. Rb8 Qd6 32. Re8 Re7 33. Rxe7 Kxe7 34. Qa5 Kf6 35. Qxa7 Qe5 36. Qg7+ 1-0

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2022.10.22"]
[Round "2.7"]
[White "Heiming, Helmut"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1887"]
[BlackElo "2200"]
[PlyCount "106"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Bad Homburg"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 d6 5. 0-0 0-0 6. Nc3 Nc6 7. d4 a6 8. Bf4 Rb8 9. Qd3 Nh5 10. Bg5 h6 11. Bc1 Bd7 12. e4 b5 13. cxb5 axb5 14. Be3 Na5 15. b3 b4 16. Ne2 Bb5 17. Qd2 Nf6 18. Nh4 e6 19. f4 Ng4 20. Rad1 Qc8 21. h3 Qa6 22. Rfe1 Nxe3 23. Qxe3 c5 24. dxc5 dxc5 25. e5 Rfd8 26. Bf3 Bf8 27. Kh2 Nc6 28. Rd2 Rxd2 29. Qxd2 Rd8 30. Qb2 c4 31. bxc4 Bxc4 32. Rc1 b3 33. axb3 Ba3 34. Qa2 Bxc1 35. Qxa6 Bxa6 36. Nxc1 Rd2+ 37. Ng2 Nd4 38. Be4 Rd1 39. Na2 Nxb3 40. g4 Nd2 41. Nc3 Rc1 42. Na2 Ra1 43. Nc3 Nxe4 44. Nxe4 Ra2 45. Kg3 Ra3+ 46. Kh2 Bf1 47. Ng3 Bc4 48. Ne4 Kf8 49. Nf2 Kg7 50. Ne4 Bd5 51. Nf2 g5 52. f5 Bxg2 53. Kxg2 Re3 0-1

[Event "Oberliga Ost-B 2223"]
[Site "Germany"]
[Date "2022.09.18"]
[Round "1.7"]
[White "Vechorkin, Alexej"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "E54"]
[WhiteElo "2084"]
[BlackElo "2200"]
[PlyCount "90"]
[EventDate "2022.09.18"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Heusenstamm"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. e3 0-0 6. Be2 dxc4 7. Bxc4 c5 8. 0-0 a6 9. a4 Nc6 10. Qd3 Qc7 11. d5 exd5 12. Nxd5 Nxd5 13. Bxd5 Ne7 14. Bc4 Bf5 15. e4 Bg4 16. Rd1 Rad8 17. Bf4 Rxd3 18. Bxc7 Rxd1+ 19. Rxd1 Nc6 20. h3 Bxf3 21. gxf3 Nd4 22. Kg2 Rc8 23. Be5 Nc6 24. f4 Rd8 25. Rd5 Rxd5 26. exd5 Nd4 27. Bc7 b5 28. axb5 axb5 29. Bf1 Bd2 30. Bb6 Bxf4 31. Bxc5 Be5 32. d6 Ne6 33. b4 f5 34. Bxb5 Kf7 35. Bc4 Kf6 36. d7 Bc7 37. Bb5 Nxc5 38. bxc5 Ke5 39. Kf3 g5 40. Ba4 h5 41. Bc2 g4+ 42. hxg4 fxg4+ 43. Kg3 Ke6+ 44. Kh4 Kxd7 45. Be4 Bf4 1/2-1/2

[Event "Oberliga Ost-B 2122"]
[Site "Germany"]
[Date "2022.07.03"]
[Round "7.5"]
[White "Mehlhorn, Uwe"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2033"]
[BlackElo "2180"]
[PlyCount "34"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Stadtilm Blau Weiss"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. g3 Nc6 3. Bg2 f5 4. Nc3 Nf6 5. d3 Bc5 6. e3 0-0 7. Nge2 d6 8. 0-0 a5 9. a3 Ba7 10. Rb1 Be6 11. Nd5 Qd7 12. Nec3 Nd8 13. b4 axb4 14. axb4 c6 15. Nxf6+ gxf6 16. b5 Bb8 17. Re1 Bc7 1/2-1/2

[Event "Oberliga Ost-B 2122"]
[Site "Germany"]
[Date "2022.07.02"]
[Round "6.5"]
[White "Duncker, Joachim"]
[Black "Frank, Marek"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2180"]
[BlackElo "1495"]
[PlyCount "49"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Gera"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 g6 5. Nge2 Bg7 6. Nxd4 cxd4 7. Qf3 e6 8. Nb5 d6 9. Qa3 Bf8 10. Nxd4 Bd7 11. Qf3 Bg7 12. Ne2 Ne7 13. d4 Rc8 14. Bb3 Nc6 15. c3 0-0 16. 0-0 b5 17. Bf4 e5 18. dxe5 dxe5 19. Be3 Qf6 20. Qg3 h6 21. f4 exf4 22. Rxf4 Qe7 23. Qxg6 Ne5 24. Qg3 Nd3 25. Bd4 1-0

[Event "Oberliga Ost-B 2122"]
[Site "Germany"]
[Date "2022.05.22"]
[Round "5.5"]
[White "Duncker, Joachim"]
[Black "Kirchner, Markus"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2180"]
[BlackElo "1963"]
[PlyCount "119"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. Ng6+ hxg6 12. exf6+ Nxf6 13. Qxh8 Kf7 14. Qh4 e5 15. Nf3 Nxf3+ 16. gxf3 Bf5 17. Bxf5 gxf5 18. Bg5 Qa5+ 19. Kf1 g6 20. Bxf6 Qa6+ 21. Kg2 Qxf6 22. Qa4 Qc6 23. Qb3 Bh6 24. Rhd1 Ke6 25. Rd3 Rd8 26. Rc3 Qb6 27. Qc2 d4 28. Rc8 Rxc8 29. Qxc8+ Kf6 30. Re1 Bf4 31. Qf8+ Ke6 32. Qe8+ Kf6 33. Qf8+ Ke6 34. Qg7 Kd5 35. b3 Qc6 36. Qf7+ Kc5 37. b4+ Kb6 38. b5 Qd6 39. a4 Bd2 40. Rd1 Bb4 41. Qc4 Qc5 42. Qe6+ Qd6 43. Qc4 Qc5 44. Qe6+ Qd6 45. Qb3 e4 46. fxe4 fxe4 47. Qc4 d3 48. Qxe4 d2 49. f4 Ka5 50. Qxb7 Kxa4 51. Qa6+ Qxa6 52. bxa6 Kb5 53. Rb1 Kc4 54. Kf3 Kd3 55. Rh1 Be7 56. h3 Bf6 57. Rd1 Be7 58. Ra1 Bf6 59. Rh1 Be7 60. Rd1 1/2-1/2

[Event "Oberliga Ost-B 2122"]
[Site "Germany"]
[Date "2022.05.21"]
[Round "4.5"]
[White "Lenz, Jonas"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2099"]
[BlackElo "2180"]
[PlyCount "129"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Bad Homburg"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 0-0 6. Nf3 Nc6 7. 0-0 a6 8. b3 Rb8 9. d5 Na5 10. Bg5 b5 11. cxb5 axb5 12. Nd4 b4 13. Bxf6 exf6 14. Na4 Ba6 15. Qc2 f5 16. Rfd1 Re8 17. e3 Re7 18. Rac1 Qe8 19. Qd2 Rb7 20. Nb2 Qa8 21. Re1 Rb8 22. h4 h5 23. Nd3 Bxd3 24. Qxd3 Qa7 25. Red1 Qb6 26. Bf1 Bxd4 27. Qxd4 Qxd4 28. Rxd4 Kf8 29. Bg2 Ke8 30. Rf4 Kd8 31. Rd1 Kc8 32. Rdd4 Nb7 33. Rxb4 Nc5 34. Rxb8+ Kxb8 35. Rd4 Kb7 36. Bf1 Re4 37. Bc4 Kb6 38. b4 Nd7 39. Bd3 Re8 40. a4 Ne5 41. Be2 Re7 42. Kf1 Kb7 43. Ke1 Nd7 44. Bf3 Nb6 45. Bd1 Re5 46. Bb3 Re7 47. Kd2 Nd7 48. Bd1 Nf6 49. Bf3 Nd7 50. Kc3 Ne5 51. Be2 Nd7 52. a5 Nf6 53. Bf3 Nd7 54. Kb3 Ne5 55. Be2 Nd7 56. Ka4 Nf6 57. Bf3 Re5 58. Kb5 c6+ 59. Kc4 Ne4 60. dxc6+ Kxc6 61. Bxe4+ fxe4 62. b5+ Kc7 63. a6 Rc5+ 64. Kb4 Rc2 65. Rc4+ 1-0

[Event "Oberliga Ost-B 2122"]
[Site "Germany"]
[Date "2022.05.01"]
[Round "3.6"]
[White "Nothnagel, Markus"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2202"]
[BlackElo "2180"]
[PlyCount "46"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Griesheim"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. b3 e5 2. Bb2 e4 3. e3 Nf6 4. d4 d5 5. c4 c6 6. Qd2 Be7 7. Ba3 0-0 8. Bxe7 Qxe7 9. Nc3 Bf5 10. Nge2 Nbd7 11. Ng3 Bg6 12. Be2 h5 13. h4 dxc4 14. bxc4 Rad8 15. Qb2 b6 16. a4 c5 17. d5 Ne5 18. Qd2 Rfe8 19. f3 exf3 20. gxf3 Nxf3+ 21. Bxf3 Qxe3+ 22. Nge2 Qxf3 23. 0-0-0 Ne4 0-1

[Event "Oberliga Ost-B 2122"]
[Site "Germany"]
[Date "2022.04.30"]
[Round "2.6"]
[White "Duncker, Joachim"]
[Black "Nehmert, Ulrich"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2180"]
[BlackElo "2228"]
[PlyCount "81"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Wiesbaden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. d4 Bd6 7. c3 h5 8. Be3 h4 9. h3 Na6 10. a3 Nc7 11. c4 Kf8 12. Bd3 b5 13. b3 a5 14. a4 bxc4 15. bxc4 Bb4+ 16. Ke2 Ne6 17. Qc2 Qc7 18. Rhc1 Nf4+ 19. Kf1 Nxd3 20. Qxd3 Rh5 21. Kg1 Kg8 22. Ra2 Be6 23. Qd1 Re8 24. d5 Bd7 25. d6 Qc8 26. c5 Rd5 27. Qf1 g5 28. Rd1 Be6 29. Re2 Qd7 30. Rxd5 Bxd5 31. Bd4 Re6 32. Rxe6 Qxe6 33. Qd3 g4 34. Nxh4 gxh3 35. Qg3+ Kf8 36. Qxh3 Qe1+ 37. Kh2 Be6 38. Nf5 Ke8 39. Qh8+ Kd7 40. Qxf6 Bb3 41. Be5 1-0

[Event "Oberliga Ost-B 2122"]
[Site "Germany"]
[Date "2022.04.03"]
[Round "11.6"]
[White "Peterson, Emery"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2188"]
[BlackElo "2180"]
[PlyCount "74"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Gernsheim"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. e3 d5 3. f4 c5 4. Nf3 Nc6 5. c3 cxd4 6. exd4 e6 7. Bd3 Bd6 8. 0-0 Ne7 9. Ne5 a6 10. Nd2 b5 11. Qf3 g6 12. Qh3 h5 13. Ndf3 Rf8 14. f5 exf5 15. Bh6 Ne4 16. Bxf8 Kxf8 17. Bxe4 dxe4 18. Ng5 f6 19. Nxg6+ Nxg6 20. Qxh5 fxg5 21. Qxg6 Ra7 22. Rae1 Rg7 23. Rxf5+ Kg8 24. Qf6 Be7 25. Qe5 Bxf5 26. Qxf5 Qd6 27. Qxe4 Rf7 28. Qe6 Qf4 29. h3 Bd6 30. Qg6+ Kf8 31. Qh6+ Kg8 32. Qg6+ Rg7 33. Qe8+ Kh7 34. Qh5+ Kg8 35. Qe8+ Kh7 36. Qh5+ Kg8 37. Qe8+ Kh7 1/2-1/2

[Event "Oberliga Ost-B 2122"]
[Site "Germany"]
[Date "2022.04.02"]
[Round "10.6"]
[White "Duncker, Joachim"]
[Black "Wohlfart, Paulus"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2180"]
[BlackElo "2109"]
[PlyCount "113"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Moerlenbach Birkenau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nd5 Be7 6. Bd3 0-0 7. 0-0 d6 8. h3 Be6 9. Nf4 d5 10. Ng5 Qd7 11. exd5 Bxd5 12. Nxh7 Nxh7 13. Bxh7+ Kxh7 14. Qh5+ Kg8 15. Nxd5 Rae8 16. Bd2 Bd8 17. Rae1 Rxe1 18. Rxe1 Re8 19. Rxe8+ Qxe8 20. Qf3 Qe6 21. Kf1 Ne7 22. Nxe7+ Bxe7 23. Qe2 Qd7 24. a4 Bf6 25. Qb5 c6 26. Qd3 Qe6 27. b3 Qd5 28. f3 a6 29. Qe4 Qc5 30. Qe8+ Kh7 31. Qxf7 Qxc2 32. Qh5+ Kg8 33. Qe8+ Kh7 34. Qe4+ Qxe4 35. fxe4 d3 36. Bf4 Bc3 37. Kf2 Bd4+ 38. Ke1 Bc3+ 39. Kf2 Bd4+ 40. Kf3 Kg6 41. Be3 Bc3 42. Bc5 Kf6 43. Bf8 Kf7 44. Bc5 Ke6 45. Bf8 b5 46. Ke3 d2 47. Ke2 b4 48. h4 Kf7 49. Bd6 Kg6 50. g4 a5 51. Bf4 Bf6 52. h5+ Kf7 53. Kxd2 Bd8 54. Be5 g6 55. Kd3 gxh5 56. gxh5 Ke6 57. Bg7 1-0

[Event "Oberliga Ost-B 2122"]
[Site "Germany"]
[Date "2022.03.05"]
[Round "8.5"]
[White "Heinke, Jasper"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2034"]
[BlackElo "2180"]
[PlyCount "50"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Qxe2 Qxd5 6. Nf3 Qe4 7. Be3 Nc6 8. Nc3 Qf5 9. 0-0 0-0-0 10. b4 e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. Nb5 Bd6 14. Nxa7+ Kb8 15. g3 Nd5 16. Qb5 Nxb4 17. Qa4 Bc5 18. Bf4 Qf6 19. Nb5 Nd5 20. Bd2 Rhe8 21. Rae1 Rxe1 22. Bxe1 c6 23. Na3 Re8 24. Ba5 Re2 25. Qb3 Rxf2 0-1

[Event "Oberliga Ost-B 2122"]
[Site "Germany"]
[Date "2021.10.10"]
[Round "1.6"]
[White "Duncker, Joachim"]
[Black "Chandler, Patrick"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2180"]
[BlackElo "2151"]
[PlyCount "93"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nc6 4. Bb5 Bd7 5. Nf3 a6 6. Be2 e5 7. h3 Be7 8. Be3 b5 9. a3 0-0 10. 0-0 Re8 11. d5 Nb8 12. b4 Qc8 13. Qd3 c6 14. dxc6 Bxc6 15. Nd2 Nbd7 16. Nb3 Qc7 17. Na5 Rac8 18. Rfc1 Ba8 19. Nd5 Nxd5 20. exd5 Bf6 21. Qe4 Nb6 22. c4 bxc4 23. Bxb6 Qxb6 24. Nxc4 Qb8 25. Rc2 g6 26. Rd1 Bg7 27. g4 Bh6 28. h4 Bf4 29. g5 Rf8 30. Ne3 f6 31. gxf6 Rxf6 32. Bg4 Rxc2 33. Qxc2 Rf8 34. Be6+ Kg7 35. Qc4 Qb6 36. Rd3 Qd8 37. Ng2 Bh6 38. Qg4 Qf6 39. Qg3 Bb7 40. Rc3 Kh8 41. Rc7 Ba8 42. Rc2 g5 43. h5 Bg7 44. Ne3 e4 45. Qxd6 h6 46. Qd7 g4 47. Nf5 1-0

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2021.07.18"]
[Round "11.4"]
[White "Duncker, Joachim"]
[Black "Neubauer, Andreas"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2201"]
[BlackElo "2151"]
[PlyCount "72"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Stadtilm Blau Weiss"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 d6 3. f4 e6 4. Nf3 Nf6 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. 0-0 Qc7 8. Qe1 Be7 9. d3 0-0 10. Nh4 Rae8 11. f5 Ne5 12. Bd2 Nc6 13. fxe6 fxe6 14. Nf3 Nd4 15. Rc1 Qb6 16. b3 Qc6 17. Ne2 Nxf3+ 18. Rxf3 d5 19. Ng3 dxe4 20. Nxe4 Nxe4 21. Qxe4 Qxe4 22. dxe4 c4 23. Be3 a6 24. bxc4 Rc8 25. Rb1 Rxc4 26. Rxb7 Rxe4 27. Bf2 Bf6 28. h3 h6 29. Kf1 Rd8 30. Kg1 Rd1+ 31. Kh2 Rd2 32. Rb8+ Kf7 33. Rb7+ Kg8 34. Rb8+ Kf7 35. Rb7+ Kg8 36. Be3 Rxc2 0-1

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2021.07.17"]
[Round "10.4"]
[White "Michalowski, Peter"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2107"]
[BlackElo "2201"]
[PlyCount "119"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Qxd5 4. Nc3 Qa5 5. d4 Bf5 6. Bd2 c6 7. Bc4 e6 8. 0-0 Qb6 9. Bb3 Bd6 10. Na4 Qc7 11. c4 0-0 12. c5 Bf4 13. h3 Na6 14. Bc4 Bxd2 15. Qxd2 b5 16. cxb6 axb6 17. Rac1 Rfd8 18. Qe3 Nb4 19. Nc3 Qd6 20. Rfd1 Nfd5 21. Nxd5 exd5 22. Bb3 Re8 23. Qc3 Nxa2 24. Bxa2 Rxa2 25. Re1 Rxe1+ 26. Rxe1 Ra8 27. Rc1 Rc8 28. b4 f6 29. Re1 Bd7 30. Qa3 Re8 31. Rxe8+ Bxe8 32. Qa8 Kf8 33. Qa3 Qe7 34. Kf1 g5 35. Qc3 Qe6 36. Qe1 Qxe1+ 37. Kxe1 Bg6 38. Kd2 Be4 39. Ne1 h5 40. f3 Bg6 41. g3 Kf7 42. Ng2 Ke6 43. h4 Bf5 44. Ne3 Bh3 45. Kc3 Kd6 46. Kd3 Bd7 47. Kc3 gxh4 48. gxh4 c5 49. bxc5+ bxc5 50. f4 c4 51. Nf1 Bg4 52. Ne3 Be6 53. Nf1 Bf5 54. Ne3 Be4 55. Nf1 Bg2 56. Ne3 Bh3 57. Nd1 Bg2 58. Ne3 Be4 59. Nf1 Kc6 60. Kb4 1/2-1/2

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2020.03.01"]
[Round "9.5"]
[White "De Visser, Leon"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2221"]
[BlackElo "2201"]
[PlyCount "111"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Griesheim"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 cxd4 5. exd4 Nc6 6. Nd2 e6 7. Ngf3 Nh5 8. Be3 g6 9. Ne5 f6 10. Nxc6 bxc6 11. Be2 Ng7 12. Bh6 Kf7 13. h4 Nf5 14. Bxf8 Rxf8 15. h5 g5 16. 0-0 Kg8 17. Nb3 Rb8 18. Qd2 Rb7 19. Nc5 Rg7 20. Bg4 e5 21. Rfe1 Qd6 22. Qd3 Nh6 23. Bxc8 Rxc8 24. Qg3 Rd8 25. dxe5 fxe5 26. b4 Re8 27. Rad1 g4 28. c4 Nf5 29. Qd3 Nd4 30. Qxd4 exd4 31. Rxe8+ Kf7 32. Rde1 Rg8 33. Nb7 Qc7 34. Nd8+ Qxd8 35. Rxd8 Rxd8 36. c5 Kf6 37. a3 Rd7 38. Kf1 d3 39. Re3 Kg5 40. Rxd3 d4 41. Ke2 Kxh5 42. Rd2 Kg5 43. Kd3 Kf5 44. Re2 a5 45. Re4 axb4 46. axb4 Ra7 47. Rxd4 Ra2 48. g3 h5 49. Rf4+ Ke5 50. Kc4 Ra3 51. b5 h4 52. bxc6 Ra8 53. c7 h3 54. Rxg4 Rh8 55. c8Q Rxc8 56. Rh4 1-0

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2020.02.29"]
[Round "8.5"]
[White "Duncker, Joachim"]
[Black "Minor, Samuel"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2201"]
[BlackElo "2244"]
[PlyCount "58"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Wiesbaden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bb5 Nd4 6. 0-0 Nxb5 7. Nxb5 d5 8. e5 d4 9. d3 Nh6 10. Qe1 a5 11. a4 0-0 12. Nd2 f6 13. exf6 exf6 14. Nc4 Ra6 15. Bd2 Re6 16. Qf2 b6 17. Rae1 f5 18. Qf3 Ng4 19. Rxe6 Bxe6 20. Nbd6 Rf6 21. h3 Nh6 22. Re1 Nf7 23. Qc6 Bd7 24. Nxf7 Rxf7 25. Qd5 Kf8 26. Qd6+ Kg8 27. Qd5 Kf8 28. Qd6+ Kg8 29. Nxb6 Bf8 0-1

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2020.01.19"]
[Round "7.5"]
[White "Di Capua, Francesco Stefano"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1956"]
[BlackElo "2201"]
[PlyCount "94"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Gernsheim"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. h3 g6 6. Bc4 Bg7 7. Be3 0-0 8. Qd2 a6 9. a3 b5 10. Bb3 Bb7 11. Nge2 Nc6 12. 0-0-0 Na5 13. Ba2 Bxg2 14. Rhg1 Bxh3 15. Bh6 Bf5 16. Ng3 e6 17. Rh1 Re8 18. Bxg7 Kxg7 19. Qh6+ Kg8 20. Rdg1 Nc4 21. Bxc4 bxc4 22. Rh5 Qxd4 23. Rxf5 exf5 24. Nxf5 Ng4 25. Qg5 Qxf2 26. Qxg4 Re1+ 27. Rxe1 Qxe1+ 28. Nd1 Rd8 29. Nfe3 Qd2+ 30. Kb1 Qd4 31. Qf3 Re8 32. Nd5 Re1 33. N5c3 Kg7 34. Ka2 Qd2 35. Qg4 h5 36. Qxc4 Rxd1 37. Nxd1 Qxd1 38. Qc3+ Kh7 39. Qxc7 Qd5+ 40. c4 Qe6 41. Qf4 f6 42. b4 g5 43. Qc7+ Kg6 44. Kb2 h4 45. c5 h3 46. Qg3 Qe2+ 47. Kb3 h2 0-1

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2020.01.18"]
[Round "6.5"]
[White "Duncker, Joachim"]
[Black "Felgendreher, Heiko"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2201"]
[BlackElo "2186"]
[PlyCount "82"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Moerlenbach Birkenau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. Nxd4 cxd4 7. Ne2 e6 8. 0-0 a6 9. Bd3 d5 10. exd5 Qxd5 11. b3 b5 12. Ng3 f5 13. Qf3 Qxf3 14. Rxf3 Bb7 15. Rf1 Ne7 16. Bb2 Nc6 17. a4 b4 18. Bc4 Kd7 19. Ne2 Rhe8 20. Rae1 Rad8 21. d3 Re7 22. Rf2 Bf6 23. Kf1 h6 24. Ng1 g5 25. Rfe2 Rde8 26. Bc1 gxf4 27. Bxf4 e5 28. Bd2 Kd6 29. a5 Kc5 30. Rf2 Bc8 31. g3 Nxa5 32. Ra1 Nxc4 33. bxc4 e4 34. Ra5+ Kb6 35. Bxb4 e3 36. Rfxf5 e2+ 37. Ke1 Bxf5 38. Rxf5 Re6 39. Nf3 Kc6 40. Rc5+ Kb7 41. Rd5 Rb6 0-1

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2019.12.08"]
[Round "5.5"]
[White "Duncker, Joachim"]
[Black "Kirschbaum, Gunnar"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2201"]
[BlackElo "2034"]
[PlyCount "49"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Erfurt Medizin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. a3 Na6 7. Bd3 c5 8. d5 Nc7 9. Qe2 a6 10. a4 b6 11. 0-0 Rb8 12. Re1 b5 13. axb5 axb5 14. Bxb5 Nxe4 15. Qxe4 Nxb5 16. Nxb5 Rxb5 17. Qxe7 Qxe7 18. Rxe7 Bxb2 19. Bxb2 Rxb2 20. Ng5 Rxc2 21. Raa7 Bf5 22. Nxf7 Rb8 23. h4 Bh3 24. Nh6+ Kf8 25. Re1 1-0

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2019.12.07"]
[Round "4.5"]
[White "Ahmed, Daniel"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1923"]
[BlackElo "2201"]
[PlyCount "78"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Liebschwitz"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. h3 c5 7. Be3 Qa5 8. Qd2 cxd4 9. Nxd4 Nc6 10. Nb3 Qb4 11. Nc1 Be6 12. a3 Qa5 13. Nb3 Qd8 14. f3 Nh5 15. Bf2 Be5 16. Nd5 Bxd5 17. exd5 Bf4 18. Be3 Bg3+ 19. Kd1 Nb8 20. Bh6 Re8 21. f4 Nd7 22. Be2 Ndf6 23. Rf1 Qb6 24. Qd3 e5 25. dxe6 Rxe6 26. f5 Re5 27. Kc2 Rae8 28. Nd4 Re4 29. Ne6 Be5 30. Rab1 Ng3 31. Bf3 fxe6 32. Bxe4 Nfxe4 33. Be3 Qc6 34. fxg6 Nxf1 35. gxh7+ Kh8 36. Rxf1 Rc8 37. b3 b5 38. Kb1 bxc4 39. Qc2 Nc3+ 0-1

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2019.11.17"]
[Round "3.4"]
[White "Duncker, Joachim"]
[Black "Schaack, Harry"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2201"]
[BlackElo "2206"]
[PlyCount "111"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Schoeneck"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Ngf6 8. 0-0 e6 9. Re1 Be7 10. c4 0-0 11. Bxg6 hxg6 12. Bd2 c5 13. Bc3 Rc8 14. Qe2 Re8 15. Rad1 Qc7 16. b3 a6 17. Bb2 Bf8 18. Ne4 Nxe4 19. Qxe4 Be7 20. dxc5 Nxc5 21. Qe2 Rcd8 22. g3 Rxd1 23. Rxd1 Rd8 24. Rd2 Rxd2 25. Qxd2 Qd6 26. Qxd6 Bxd6 27. Ba3 Ne4 28. Bxd6 Nxd6 29. Nd2 Kf8 30. f3 Ke7 31. Kf2 Kd7 32. Ke3 Kc6 33. Ne4 Nf5+ 34. Kd3 f6 35. b4 e5 36. a4 Nd4 37. f4 Nf3 38. fxe5 Nxe5+ 39. Kc3 Nf3 40. b5+ axb5 41. axb5+ Kc7 42. h4 g5 43. hxg5 f5 44. Nf6 Nxg5 45. Ne8+ Kd7 46. Nxg7 Ne4+ 47. Kd4 Nxg3 48. Ke5 f4 49. Kxf4 Kd6 50. Ke3 Kc5 51. Kd3 Ne4 52. Ne6+ Kb4 53. Kxe4 Kxc4 54. Nd4 b6 55. Ke5 Kc5 56. Ke6 1-0

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2019.11.16"]
[Round "2.4"]
[White "Akbarinia, Sayed Arash"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2374"]
[BlackElo "2201"]
[PlyCount "107"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Oberursel"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. h3 a6 8. Be3 Rb8 9. Qc1 e5 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Ba7 Ra8 13. Bc5 Re8 14. Rd1 Nd7 15. Nc3 Bf8 16. Ne4 Bxc5 17. Nxc5 c6 18. Qd2 Re7 19. Qb4 Qb6 20. Nxa6 Qxb4 21. Nxb4 Ra4 22. a3 Kg7 23. b3 Ra8 24. Nc2 Nc5 25. b4 Bf5 26. Ne3 Na4 27. Nxf5+ gxf5 28. Rd2 e4 29. e3 Nb6 30. Bf1 Nd7 31. c5 Ne5 32. Kg2 h5 33. Be2 h4 34. gxh4 f4 35. exf4 Ng6 36. Kg3 e3 37. Rd4 exf2 38. Kxf2 Nxh4 39. Bd3 Kf6 40. Rd6+ Re6 41. Rxe6+ fxe6 42. Bc2 Nf5 43. a4 Rh8 44. Ra3 Nd4 45. Be4 Rh4 46. Kg3 Rh8 47. Rd3 Ne2+ 48. Kg4 Ke7 49. b5 Rf8 50. f5 cxb5 51. axb5 Rc8 52. c6 bxc6 53. bxc6 exf5+ 54. Kxf5 1-0

[Event "Oberliga Ost-B 1920"]
[Site "Germany"]
[Date "2019.09.29"]
[Round "1.5"]
[White "Duncker, Joachim"]
[Black "Shankovsky, Andriy"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2201"]
[BlackElo "2404"]
[PlyCount "67"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Bad Emstal/Wolfhagen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 4. g3 Nf6 5. Bg2 Be7 6. 0-0 0-0 7. h3 a6 8. d3 d5 9. exd5 Nxd5 10. Nxd5 exd5 11. Nf4 d4 12. Re1 Bd6 13. a3 Rb8 14. Nd5 Be6 15. Qh5 Qd7 16. Be4 f5 17. Nb6 Qf7 18. Qxf7+ Kxf7 19. Bg2 Rfd8 20. Bg5 Re8 21. Rxe6 Rxe6 22. Bd5 Rbe8 23. Re1 h6 24. Nc8 Be5 25. Bxe6+ Rxe6 26. Bf4 Bxf4 27. Rxe6 Kxe6 28. gxf4 g5 29. fxg5 hxg5 30. f4 gxf4 31. Nb6 Ne5 32. Kf2 Ng6 33. a4 Nh4 34. Nc4 1/2-1/2

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.04.07"]
[Round "11.5"]
[White "Duncker, Joachim"]
[Black "Dietz, Holger"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2199"]
[BlackElo "2310"]
[PlyCount "43"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Griesheim II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 c5 5. Nf3 c4 6. Be2 Nf6 7. 0-0 Be7 8. b3 cxb3 9. axb3 0-0 10. Ne5 Nc6 11. Nxc6 bxc6 12. Nd2 Qb6 13. Bb2 a5 14. Ra2 Ba6 15. Bxa6 Rxa6 16. Bc3 Rfa8 17. Ra4 Bd6 18. Re1 h6 19. g3 R6a7 20. Kg2 Bb4 21. Qf3 Nh7 22. Qd3 1/2-1/2

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.04.06"]
[Round "10.5"]
[White "Nies, Peter"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2070"]
[BlackElo "2199"]
[PlyCount "104"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Gernsheim"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Bb5+ Nbd7 5. Be2 Bxe2 6. Qxe2 Nxd5 7. c4 N5f6 8. Nc3 g6 9. Nf3 Bg7 10. 0-0 0-0 11. Bf4 c6 12. Rad1 Re8 13. Rfe1 Qa5 14. Ne5 Rad8 15. h3 Nf8 16. Qe3 N6d7 17. Kh1 Nxe5 18. Bxe5 Bxe5 19. dxe5 Ne6 20. f4 Qc5 21. Qxc5 Nxc5 22. Rxd8 Rxd8 23. Rd1 Rxd1+ 24. Nxd1 Nd3 25. g3 g5 26. fxg5 Nxe5 27. b3 Kg7 28. h4 Ng4 29. Kg2 Kg6 30. Kf3 Kf5 31. Nc3 Ne5+ 32. Ke3 Kg4 33. Ne4 b6 34. Kf2 Nd3+ 35. Kg2 a5 36. Nc3 Nc5 37. Kf2 e6 38. Kg2 e5 39. Kf2 e4 40. Ne2 a4 41. bxa4 Nxa4 42. Nd4 Nb2 43. Nxc6 Nxc4 44. a4 e3+ 45. Ke2 Kxg3 46. h5 Kf4 47. g6 fxg6 48. hxg6 hxg6 49. Ne7 g5 50. Nd5+ Ke4 51. Nf6+ Kd4 52. Nd7 g4 0-1

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.03.24"]
[Round "9.5"]
[White "Duncker, Joachim"]
[Black "Will, Matthias"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2199"]
[BlackElo "2002"]
[PlyCount "61"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Naumburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4 Nb6 5. Bb3 dxe5 6. Qh5 e6 7. dxe5 Nc6 8. c3 g6 9. Qe2 Bg7 10. Nf3 0-0 11. 0-0 Bd7 12. Bg5 Qe8 13. Rd1 h6 14. Bh4 Ne7 15. Nbd2 Nf5 16. Bg3 Nxg3 17. hxg3 Ba4 18. Qe4 Bc6 19. Qe3 Nd5 20. Qe2 Ba4 21. c4 Ne7 22. Ne4 Bxb3 23. axb3 b6 24. b4 Nc6 25. Nf6+ Bxf6 26. exf6 Rd8 27. b5 Rxd1+ 28. Rxd1 Nb8 29. Ne5 Qc8 30. Qd2 Kh7 31. Ng4 1-0

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.03.23"]
[Round "8.5"]
[White "Hellwig, Tobias"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "E84"]
[WhiteElo "2187"]
[BlackElo "2199"]
[PlyCount "91"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Sangerhausen"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 a6 8. Nge2 Rb8 9. Nc1 e5 10. d5 Nd4 11. N1e2 Nxe2 12. Bxe2 Ne8 13. g4 Qh4+ 14. Bf2 Qh6 15. g5 Qh3 16. Qe3 c5 17. Bf1 Qd7 18. h4 b5 19. b3 bxc4 20. Bxc4 f6 21. h5 fxg5 22. hxg6 h6 23. 0-0-0 Rf6 24. Qd3 Nc7 25. Bxc5 Nb5 26. Bg1 Qc7 27. Kb2 Qa5 28. Rc1 Bd7 29. Rh2 Rbf8 30. Bxb5 axb5 31. Rf2 g4 32. Rcf1 b4 33. Ne2 Bb5 34. Qe3 Qa3+ 35. Kb1 Ra8 36. Qd2 g3 37. Nxg3 Bxf1 38. Rxf1 Qa6 39. Rf2 Rxg6 40. Bh2 Qa7 41. Nf5 Kh7 42. Re2 Qa6 43. Ne7 Rf6 44. Nf5 Rf7 45. Bg1 Rc8 46. Be3 1/2-1/2

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.02.03"]
[Round "7.5"]
[White "Duncker, Joachim"]
[Black "Lutz, Klaus Juergen"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2199"]
[BlackElo "2227"]
[PlyCount "34"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. h3 Re8 11. Qf3 c6 12. Bf4 Qe7 13. a3 Bc5 14. Na4 Bd6 15. Bxd6 Qxd6 16. Rfe1 Be6 17. Rad1 c5 1/2-1/2

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2019.02.02"]
[Round "6.5"]
[White "Meyer, Kai Christian"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2213"]
[BlackElo "2199"]
[PlyCount "71"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Schoeneck"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Nh5 5. Be5 f6 6. Bg3 b6 7. e4 dxe4 8. Nxe4 Bg7 9. Bc4 Bb7 10. Qe2 Nxg3 11. hxg3 Bd5 12. Nc3 Bxc4 13. Qxc4 Qd7 14. d5 c5 15. 0-0-0 0-0 16. Qh4 h6 17. Rhe1 g5 18. Qe4 f5 19. Qxe7 Qxe7 20. Rxe7 Bf6 21. Rb7 g4 22. Nh4 Bg5+ 23. Kb1 Bxh4 24. gxh4 Rf7 25. Rxf7 Kxf7 26. Nb5 Nd7 27. Re1 Nf8 28. c4 a6 29. Nc7 Rd8 30. Nxa6 Rd7 31. Nb8 Re7 32. Rxe7+ Kxe7 33. Kc2 Kd6 34. g3 Nh7 35. Kd3 Nf6 36. Ke3 1-0

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2018.12.16"]
[Round "5.4"]
[White "Uwira, Oliver"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "E84"]
[WhiteElo "2188"]
[BlackElo "2199"]
[PlyCount "103"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Nied Koenig"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Rc1 Bd7 10. Nd1 b5 11. c5 e6 12. g3 b4 13. Bg2 Ne7 14. 0-0 Bb5 15. Nf2 Nd7 16. Rfd1 a5 17. Nd3 dxc5 18. Nxc5 Nxc5 19. Rxc5 c6 20. Nc1 Rb7 21. Nb3 Rd7 22. Rcc1 Ba4 23. Nc5 Bxd1 24. Nxd7 Qxd7 25. Rxd1 Rd8 26. f4 f5 27. e5 Nd5 28. Bf2 Bf8 29. Rc1 Rc8 30. Qd3 Qb7 31. Bf1 Kf7 32. Qd1 Qb6 33. Bc4 Rc7 34. Qf3 h5 35. h3 Bh6 36. Kh1 Ke8 37. Bb3 Kd8 38. h4 Bf8 39. Qd3 Kc8 40. Kg2 Kb7 41. Bc4 Rd7 42. Qf3 Be7 43. Bb3 Kb8 44. Ba4 Rc7 45. Qd3 Kb7 46. Qc4 Rc8 47. Bd1 Qa6 48. Qc2 Rc7 49. Be2 Qb6 50. Bf3 Qb5 51. Be2 Qb6 52. Bf3 1/2-1/2

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2018.12.15"]
[Round "4.4"]
[White "Duncker, Joachim"]
[Black "Nehmert, Ulrich"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2199"]
[BlackElo "2218"]
[PlyCount "70"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Wiesbaden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. g3 g6 4. Bg2 Bg7 5. Nge2 Nc6 6. 0-0 Nge7 7. a3 0-0 8. Rb1 Nd4 9. b4 cxb4 10. axb4 d6 11. Nxd4 Bxd4 12. Nb5 Bg7 13. Bb2 Bxb2 14. Rxb2 e5 15. d4 Qb6 16. c4 a6 17. dxe5 axb5 18. exd6 bxc4 19. dxe7 Re8 20. Qc1 Be6 21. Kh1 Rxe7 22. f4 f6 23. f5 gxf5 24. exf5 Bf7 25. Qh6 Rae8 26. Rbb1 Re2 27. Rg1 Rxg2 28. Rxg2 Bd5 29. Qd2 Qc6 30. b5 c3 31. Qf2 c2 32. Rc1 Qxb5 33. Qxc2 Qe2 34. Qxe2 Rxe2 35. Rcg1 b5 0-1

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2018.11.11"]
[Round "3.5"]
[White "Mehlhorn, Uwe"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2128"]
[BlackElo "2199"]
[PlyCount "102"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Stadtilm Blau Weiss"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e3 d5 2. Nf3 g6 3. c4 Nf6 4. cxd5 Nxd5 5. Nc3 Bg7 6. h4 h6 7. Qb3 Nb6 8. d4 Nc6 9. Be2 Be6 10. Qc2 Bf5 11. Qb3 Be6 12. Qc2 Bf5 13. Qb3 0-0 14. e4 Bg4 15. d5 Bxf3 16. Bxf3 Nd4 17. Qd1 e6 18. dxe6 Nxe6 19. g3 Qf6 20. Bg2 Rad8 21. Nd5 Nxd5 22. exd5 Qe5+ 23. Qe2 Qxe2+ 24. Kxe2 Nd4+ 25. Kd3 Nc6 26. Rd1 Rfe8 27. Rb1 b5 28. Be3 Ne5+ 29. Ke2 Nc4 30. b3 Nxe3 31. fxe3 b4 32. Rbc1 Bc3 33. a4 Re7 34. Rd3 Rd6 35. Rcd1 h5 36. Kf2 Be5 37. e4 Rf6+ 38. Rf3 Kg7 39. Rdd3 Bd6 40. Rxf6 Kxf6 41. Rf3+ Kg7 42. Rd3 Re8 43. Rd1 Kf6 44. Rd3 Be5 45. Rf3+ Ke7 46. Ke3 c6 47. dxc6 Rc8 48. Bf1 Rxc6 49. Bc4 f6 50. Kf2 Rd6 51. Rd3 Rd4 1/2-1/2

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2018.11.10"]
[Round "2.5"]
[White "Duncker, Joachim"]
[Black "Wiemers, Holger"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2199"]
[BlackElo "1997"]
[PlyCount "133"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Erfurt Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. h3 c6 11. Qf3 Re8 12. Rd1 Qc7 13. Bf4 Bd6 14. Bxd6 Qxd6 15. Ne2 Be6 16. Qg3 Qxg3 17. fxg3 Rab8 18. b3 Bf5 19. Nd4 Bxd3 20. cxd3 c5 21. Nf3 Re2 22. Rdc1 Nd7 23. d4 c4 24. Kf1 Rb2 25. bxc4 Nb6 26. Ne5 f6 27. c5 fxe5 28. cxb6 axb6 29. dxe5 Rf8+ 30. Kg1 Rff2 31. Rc8+ Kf7 32. Rf1 Rxf1+ 33. Kxf1 Rxa2 34. Rc6 Rb2 35. Rd6 Rb5 36. Kf2 d4 37. Kf3 Rxe5 38. Rxb6 Rf5+ 39. Ke2 Ra5 40. Rd6 Ra2+ 41. Kf3 Ra3+ 42. Kf2 Ra2+ 43. Kg1 Ra1+ 44. Kh2 Rd1 45. Rd7+ Kf6 46. g4 h6 47. Kg3 Rd3+ 48. Kf2 Rd2+ 49. Kf3 Rd3+ 50. Ke2 Rg3 51. Kf2 Rd3 52. h4 Rd2+ 53. Kf1 Rd1+ 54. Ke2 Rg1 55. Kf2 Rd1 56. Rd6+ Kf7 57. h5 d3 58. Rg6 Ra1 59. Rd6 Ra2+ 60. Kg3 d2 61. Kf3 Ke7 62. Rd4 Kf6 63. Rd7 Ke6 64. Rd8 Kf6 65. Rd7 Ke6 66. Rd8 Kf6 67. Rd7 1/2-1/2

[Event "Oberliga Ost-B 1819"]
[Site "Germany"]
[Date "2018.10.21"]
[Round "1.4"]
[White "Duncker, Joachim"]
[Black "Mueller Ludwig, Kristin"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2199"]
[BlackElo "2005"]
[PlyCount "67"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Erfurt Medizin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 Nc6 6. c3 Be6 7. Ne2 Qf6 8. Bf4 0-0-0 9. Nd2 Nh6 10. Bxd6 Qxf3 11. Nxf3 Rxd6 12. 0-0-0 Bf5 13. Bxf5+ Nxf5 14. g4 Nh6 15. h3 Rf6 16. Rd3 Rd6 17. Ng3 Re8 18. g5 Ng8 19. Nf5 Rg6 20. N3h4 Rge6 21. Nxg7 Re1+ 22. Rxe1 Rxe1+ 23. Kd2 Ra1 24. Rf3 Nd8 25. Re3 Kd7 26. Nhf5 Ne6 27. Nxe6 fxe6 28. Ng7 Rxa2 29. Nxe6 Rxb2+ 30. Ke1 a5 31. Nc5+ Kd8 32. Ne6+ Kd7 33. Nf8+ Kd8 34. Ne6+ 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.04.15"]
[Round "11.6"]
[White "Buerckner, Georg"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2044"]
[BlackElo "2243"]
[PlyCount "76"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Sangerhausen"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 Nc6 6. 0-0 0-0-0 7. Be3 e6 8. c4 Qd7 9. Qa4 a6 10. Rd1 Ne5 11. Qxd7+ Nexd7 12. Nc3 Bb4 13. Na4 e5 14. a3 Be7 15. d5 e4 16. Nd4 Bxe2 17. Nxe2 Ng4 18. Bd4 Nge5 19. Ng3 Nxc4 20. Nxe4 b5 21. Rac1 Rhe8 22. Bc5 Bxc5 23. Naxc5 Nxc5 24. Nxc5 Rd6 25. b4 Re5 26. g3 Nxa3 27. Ra1 Nc2 28. Rxa6 Rxa6 29. Nxa6 Re1+ 30. Rxe1 Nxe1 31. Kf1 Nf3 32. h4 Nd4 33. Ke1 Kd7 34. Kd2 Kd6 35. Kd3 Nf3 36. Ke4 Nd2+ 37. Kd4 Nf3+ 38. Ke4 Nd2+ 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.04.14"]
[Round "10.5"]
[White "Kearns, Christopher"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2209"]
[BlackElo "2243"]
[PlyCount "53"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kassel"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Qxd5 4. d4 Bf5 5. Be2 c6 6. 0-0 e6 7. c4 Qa5 8. Nc3 Be7 9. Nh4 0-0 10. Bf3 Bg6 11. Nxg6 hxg6 12. d5 exd5 13. cxd5 Bb4 14. dxc6 Nxc6 15. Bd2 Rfd8 16. Bxc6 bxc6 17. a3 Bxc3 18. Bxc3 Rxd1 19. Bxa5 Rd5 20. Bc3 Ne4 21. Rac1 Rb8 22. g3 Rb3 23. Rfe1 Nxc3 24. Re8+ Kh7 25. Rxc3 Rxb2 26. Rc8 Rf5 27. g4 1-0

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.03.18"]
[Round "9.6"]
[White "Wiemers, Holger"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1975"]
[BlackElo "2243"]
[PlyCount "81"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 b6 5. b3 Bb7 6. Bb2 Bd6 7. Nbd2 0-0 8. 0-0 c5 9. Ne5 Nc6 10. a3 Rc8 11. f4 Ne7 12. Qf3 b5 13. dxc5 Bxc5 14. Bd4 Bxd4 15. exd4 Nf5 16. Bxf5 exf5 17. Qd3 Ne4 18. Rfc1 f6 19. Nef3 Qd6 20. g3 Rc3 21. Qe2 Rfc8 22. Ne1 R3c7 23. Ndf3 Nc3 24. Qd3 Re8 25. Kf1 Qe6 26. b4 Qc8 27. Nd2 Rce7 28. Ng2 Ne4 29. Nb3 Qc4 30. Nc5 Nxc5 31. bxc5 Re4 32. Re1 Bc6 33. Rxe4 Qxd3+ 34. cxd3 dxe4 35. dxe4 Rxe4 36. Rd1 Bd5 37. Kf2 Re7 38. Ne3 Be4 39. d5 Rb7 40. c6 Rb8 41. c7 1-0

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.02.25"]
[Round "8.4"]
[White "Chandler, Patrick"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2211"]
[BlackElo "2243"]
[PlyCount "76"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Frankfurt Koenig Nied"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. b4 e6 3. a3 d5 4. d4 b6 5. Bg5 Bb7 6. e3 Be7 7. Nbd2 0-0 8. c4 Ne4 9. Bxe7 Qxe7 10. Nxe4 dxe4 11. Nd2 c5 12. dxc5 bxc5 13. Rb1 Nd7 14. Nb3 Rad8 15. Na5 Ba8 16. Qa4 Qf6 17. Qc2 Ne5 18. Nb3 Nd3+ 19. Bxd3 exd3 20. Qd2 cxb4 21. 0-0 bxa3 22. f3 Qe5 23. Ra1 Qd6 24. c5 Qa6 25. Qc3 d2 26. Nxd2 Qe2 27. Nc4 a2 28. Rfe1 Qd3 29. Qxd3 Rxd3 30. Rxa2 Rc3 31. Nd6 Rxc5 32. Rxa7 Bd5 33. e4 Rc6 34. Rd7 Ba2 35. Re2 Bb3 36. h4 Ba4 37. Ra7 Rxd6 38. Rxa4 Rd7 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.02.04"]
[Round "7.6"]
[White "Duncker, Joachim"]
[Black "Koller, Jens"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2243"]
[BlackElo "2199"]
[PlyCount "102"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 4. g3 a6 5. Bg2 Nge7 6. 0-0 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Be3 0-0 10. h3 Na5 11. b3 Qc7 12. Qd2 b5 13. Rad1 Bb7 14. Nde2 Rfd8 15. Bf4 e5 16. Bg5 f6 17. Be3 d6 18. a4 Bc6 19. axb5 axb5 20. Nd5 Bxd5 21. exd5 Rdc8 22. Qb4 Nf5 23. Bd2 Bh6 24. Be4 Bxd2 25. Rxd2 Nb7 26. Qxb5 Nc5 27. Bg2 Rab8 28. Qc4 Qa5 29. Rdd1 Nxb3 30. Qg4 Nc5 31. Ra1 Qd2 32. c3 Rb2 33. Bf3 Rcb8 34. Rfd1 Qc2 35. Rac1 Qb3 36. h4 Ra8 37. Ra1 Rxa1 38. Rxa1 Rb1+ 39. Rxb1 Qxb1+ 40. Kh2 Qf1 41. Bg2 Qxf2 42. Qf3 Qe1 43. Ng1 e4 44. Qg4 Kg7 45. h5 Qf2 46. Nh3 Qe3 47. Nf4 Ne7 48. Ne6+ Nxe6 49. Qxe6 Nf5 50. Qxe4 Qxg3+ 51. Kh1 Qxc3 0-1

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.02.03"]
[Round "6.6"]
[White "Everett, Elijah David"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2168"]
[BlackElo "2243"]
[PlyCount "114"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Schoeneck"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. g4 Bg6 6. c4 e6 7. Nc3 c5 8. Be3 exd5 9. dxc5 Na6 10. Qa4+ Qd7 11. cxd5 Qxa4 12. Nxa4 Nxd5 13. Bb5+ Ke7 14. Bd2 Nab4 15. Kf2 Bd3 16. a3 a6 17. Re1+ Kf6 18. Bd7 Bb5 19. Bxb5 axb5 20. Nc3 Nd3+ 21. Kf1 Nxc3 22. Bxc3+ Kg6 23. Rd1 Nxc5 24. Ne2 h6 25. Kf2 Be7 26. b4 Ne6 27. f4 Kh7 28. Rd7 Bh4+ 29. Kg2 Rxa3 30. Rxf7 Rc8 31. Rc1 Kg8 32. Rxb7 Nxf4+ 33. Nxf4 Rcxc3 34. Rxc3 Rxc3 35. Rxb5 Rc4 36. Kf3 Rc3+ 37. Ke4 Bg5 38. Nd3 Rc4+ 39. Kf5 Kh7 40. h3 Rd4 41. Nc5 Bd2 42. Na6 Rf4+ 43. Ke5 Rf3 44. Rd5 Bc3+ 45. Ke4 Rxh3 46. b5 Ba5 47. Nc5 Rg3 48. Kf4 Bc7+ 49. Kf5 Rf3+ 50. Ke6 Rf4 51. g5 hxg5 52. Rxg5 Kh6 53. Rg1 g5 54. Kd7 Bb6 55. Rxg5 Rf7+ 56. Ke6 Kxg5 57. Kxf7 Bxc5 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2018.01.21"]
[Round "5.5"]
[White "Duncker, Joachim"]
[Black "Medvedovski, Michael"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2243"]
[BlackElo "2034"]
[PlyCount "96"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Frankfurt TV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 e5 4. d3 d6 5. Nge2 Be7 6. 0-0 a6 7. Bxc6+ bxc6 8. f4 exf4 9. Bxf4 Nf6 10. Ng3 0-0 11. Qd2 Ng4 12. Kh1 Bf6 13. h3 g5 14. Be3 Nxe3 15. Qxe3 Rb8 16. Rab1 Bd4 17. Qe1 Be6 18. b3 Kh8 19. Nce2 Be5 20. Nf5 g4 21. Ng1 Rg8 22. Qe3 Bxf5 23. Rxf5 gxh3 24. Qxh3 Rg3 25. Qh5 f6 26. Nf3 Bc3 27. Rf1 Qg8 28. Rf2 Rb7 29. Rf4 Rbg7 30. Nh4 R7g5 31. Qd1 Bd4 32. R2f3 Rxg2 33. Nxg2 Rxg2 34. Rf1 Qg3 35. Rh4 Rg1+ 36. Rxg1 Qxh4+ 37. Kg2 Qg5+ 38. Kh1 Qxg1+ 39. Qxg1 Bxg1 40. Kxg1 Kg7 41. Kg2 f5 42. Kf3 Kf6 43. Kf4 fxe4 44. Kxe4 Kg5 45. Kf3 Kf5 46. Kg3 Kg5 47. Kf3 h5 48. Kg3 d5 0-1

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.12.10"]
[Round "4.5"]
[White "George, Tom"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2205"]
[BlackElo "2243"]
[PlyCount "172"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Stadtilm Blau Weiss"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Qxd5 4. Nc3 Qa5 5. d4 Bf5 6. Ne5 c6 7. Bc4 Bg6 8. 0-0 Nbd7 9. Qe2 e6 10. Bd2 Qc7 11. f4 0-0-0 12. Bd3 Nxe5 13. fxe5 Bxd3 14. Qxd3 Ng4 15. Ne2 f5 16. Qb3 Qd7 17. h3 Nh6 18. Bxh6 gxh6 19. Rad1 Qd5 20. c4 Qe4 21. Qd3 Qxd3 22. Rxd3 Bc5 23. Rfd1 Bb6 24. Nf4 Rhe8 25. Kh2 Bc7 26. b4 b6 27. c5 Rd7 28. Kg3 Bd8 29. Kf3 Bg5 30. Ne2 h5 31. a4 Red8 32. Nf4 Bxf4 33. Kxf4 bxc5 34. bxc5 Rg8 35. Rg3 Rxg3 36. Kxg3 Rg7+ 37. Kf2 h4 38. Rd3 Rb7 39. Rf3 Rb2+ 40. Kf1 Rb4 41. Rf4 Rxa4 42. Rxh4 h5 43. Rxh5 Rxd4 44. Rh6 Rf4+ 45. Ke2 Re4+ 46. Kd3 Rxe5 47. g4 fxg4 48. hxg4 a5 49. Kc4 Re4+ 50. Kb3 Kb7 51. g5 Ka6 52. g6 Rg4 53. g7 Kb5 54. Rxe6 Rg3+ 55. Kb2 Rxg7 56. Re8 Rg2+ 57. Kb3 a4+ 58. Kc3 Rg3+ 59. Kb2 Kxc5 60. Re4 Kb5 61. Rh4 c5 62. Ka2 Rd3 63. Kb2 a3+ 64. Ka2 Rd4 65. Rh3 Ra4 66. Rc3 Kb4 67. Rb3+ Kc4 68. Rh3 Ra6 69. Rh4+ Kc3 70. Rh3+ Kb4 71. Rb3+ Kc4 72. Rh3 Rd6 73. Rg3 Rd2+ 74. Ka1 Rd3 75. Rg1 Kb3 76. Rh1 c4 77. Rb1+ Kc2 78. Rb6 Kd2 79. Rh6 c3 80. Rh2+ Kc1 81. Rh1+ Rd1 82. Rh2 c2 83. Ka2 Rd3 84. Ka1 Kd1 85. Rh1+ Kd2 86. Ka2 Kc3 0-1

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.11.12"]
[Round "3.6"]
[White "Rolf, Marco"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2082"]
[BlackElo "2243"]
[PlyCount "42"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Gernsheim"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 e5 7. d5 a5 8. g4 Na6 9. h4 Nc5 10. Bf3 Nfd7 11. h5 Nb6 12. b3 Bd7 13. Qd2 Qe7 14. Nh3 a4 15. Bh6 axb3 16. Bxg7 Kxg7 17. hxg6 hxg6 18. Ng5 Rh8 19. Nh7 Rxh7 20. Rxh7+ Kxh7 21. 0-0-0 g5 0-1

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.11.11"]
[Round "2.5"]
[White "Minor, Samuel"]
[Black "Duncker, Joachim"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2244"]
[BlackElo "2243"]
[PlyCount "129"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Wiesbaden"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Bg4 4. d4 Qxd5 5. Be2 Nc6 6. h3 Bxf3 7. Bxf3 Qd7 8. c3 e5 9. 0-0 0-0-0 10. dxe5 Nxe5 11. Be3 Qxd1 12. Bxd1 Nd5 13. Bd4 Nc6 14. Bb3 Nxd4 15. cxd4 Bb4 16. Rd1 Rhe8 17. Kf1 f6 18. Nd2 Bxd2 19. Rxd2 Nf4 20. h4 g6 21. Rc1 Re7 22. d5 Rd6 23. g3 Nh5 24. Re1 Kd8 25. Rxe7 Kxe7 26. Rc2 Kd8 27. Kg2 Ng7 28. g4 Rb6 29. Rc4 a5 30. Kg3 Rb4 31. Rxb4 axb4 32. Kf4 Ke7 33. Ke3 Kd6 34. Kd4 f5 35. f3 fxg4 36. fxg4 Ne8 37. g5 Ng7 38. Bc2 Nh5 39. Bd3 Nf4 40. Be4 Ne2+ 41. Kc4 Ng3 42. Bf3 Nf5 43. h5 Ke5 44. hxg6 hxg6 45. Kxb4 Nd6 46. a4 Kf4 47. Bh1 Kxg5 48. Kc5 Kf6 49. a5 Ke7 50. b4 Kd7 51. Bf3 Kc8 52. b5 Kb8 53. a6 bxa6 54. bxa6 Nf7 55. Be2 g5 56. Kd4 Nd6 57. Ke5 Nc8 58. Bb5 Ka7 59. Be2 Nd6 60. Ke6 Ne4 61. Kd7 Nc3 62. Bf3 Nb5 63. Be2 Nc3 64. Bf3 Nb5 65. Be2 1/2-1/2

[Event "Oberliga Ost-B 1718"]
[Site "Germany"]
[Date "2017.10.22"]
[Round "1.6"]
[White "Duncker, Joachim"]
[Black "Olesiak, Marcin"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2243"]
[BlackElo "2076"]
[PlyCount "101"]
[EventDate "2017.10.22"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 Ne7 6. Nxd4 cxd4 7. Ne2 Nc6 8. d3 Bc5 9. a3 a5 10. 0-0 0-0 11. Ng3 Qh4 12. f4 Ne7 13. Ba2 f5 14. Kh1 b5 15. Bd2 Bb7 16. Qe1 Rf6 17. Rf3 Rh6 18. Nf1 Bb6 19. Qe2 Rc8 20. Rh3 Qf6 21. Rxh6 Qxh6 22. c3 Qg6 23. Ng3 h5 24. Qxh5 Qxh5 25. Nxh5 fxe4 26. dxe4 Bxe4 27. Rc1 Nf5 28. Bb1 Bxb1 29. Rxb1 Kf7 30. g4 Nh4 31. Rf1 d5 32. Be1 dxc3 33. bxc3 g6 34. Bxh4 gxh5 35. f5 e5 36. Rb1 Rxc3 37. g5 Rc5 38. g6+ Kg7 39. Be7 Rc6 40. Rxb5 Rc1+ 41. Kg2 Rc2+ 42. Kh3 Bc7 43. Rxd5 e4 44. Bd6 Bxd6 45. Rxd6 Rf2 46. Rd7+ Kg8 47. Rd5 a4 48. Kh4 e3 49. Kg5 Rd2 50. Re5 e2 51. Re8+ 1-0

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2017.04.23"]
[Round "9.6"]
[White "Duncker, Joachim"]
[Black "Boehmer, Christian"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2269"]
[BlackElo "2166"]
[PlyCount "55"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Moerlenbach Birkenau"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 a6 5. Nf3 b5 6. Bd3 c5 7. dxc5 dxc5 8. e5 Bb7 9. 0-0 Nh6 10. Be4 Qb6 11. Nd5 Bxd5 12. Qxd5 c4+ 13. Qd4 Qxd4+ 14. Nxd4 Ra7 15. Nc6 Rb7 16. Nxb8 Rxb8 17. Bc6+ Kd8 18. Bd2 Kc7 19. Bf3 Rhc8 20. Be3 Re8 21. g4 f5 22. g5 Nf7 23. a4 Nd8 24. axb5 Rxb5 25. Rfb1 c3 26. bxc3 Nc6 27. Rxb5 axb5 28. Ra6 1-0

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2017.03.19"]
[Round "8.6"]
[White "Duncker, Joachim"]
[Black "Kearns, Christopher"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2269"]
[BlackElo "2180"]
[PlyCount "49"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Kassel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 d4 5. Nce2 Nc6 6. d3 Bd6 7. Nh3 h5 8. f4 e5 9. f5 f6 10. Neg1 h4 11. g4 Nce7 12. Nf2 g5 13. fxg6 Nxg6 14. h3 Be6 15. Nf3 Qd7 16. a4 0-0-0 17. Nd2 Nf4 18. Bf3 Ne7 19. Nc4 Neg6 20. b3 Rdg8 21. Ba3 Bf8 22. a5 Qc7 23. Bc1 Kb8 24. Bd2 Bf7 25. Qb1 1/2-1/2

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2017.02.19"]
[Round "7.4"]
[White "Duncker, Joachim"]
[Black "Wendel, Stephan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2269"]
[BlackElo "2273"]
[PlyCount "49"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 a6 5. d3 b5 6. Bb3 e6 7. Nge2 Ne7 8. Nxd4 cxd4 9. Ne2 Nc6 10. 0-0 Be7 11. Kh1 0-0 12. f4 Bb7 13. Rf3 g6 14. Rh3 f5 15. Ng3 Bh4 16. exf5 Bxg3 17. fxe6 dxe6 18. Bxe6+ Kh8 19. hxg3 Ne7 20. Qg4 Qc7 21. f5 Nxf5 22. Bf4 Qxc2 23. Rg1 Qxd3 24. Qxg6 Nxg3+ 25. Qxg3 1-0

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2017.02.18"]
[Round "6.4"]
[White "Seifert, Christopher"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2294"]
[BlackElo "2269"]
[PlyCount "133"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Neuberg"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 Nc6 7. 0-0 a6 8. d4 Rb8 9. h3 Bd7 10. a4 Na5 11. b3 c5 12. Be3 cxd4 13. Nxd4 Nc6 14. Rc1 e6 15. Qd2 Qe7 16. Nc2 Na5 17. Rb1 Rfc8 18. Ba7 Ra8 19. Bb6 Nc6 20. a5 Be8 21. Rbd1 Bf8 22. f4 Rab8 23. Ne3 Nd7 24. Na4 Nxb6 25. Nxb6 Rd8 26. h4 Bg7 27. Nc2 d5 28. cxd5 Qc5+ 29. Kh2 Nxa5 30. b4 Qxb6 31. bxa5 Qb2 32. Nd4 Qxd2 33. Rxd2 Rbc8 34. Rfd1 Ba4 35. Rb1 Rc4 36. Ne2 exd5 37. e5 Bc6 38. Nd4 Bf8 39. Bf1 Rc5 40. Rb6 Rc1 41. Bxa6 Bc5 42. Bxb7 Bxb6 43. Nxc6 Rd7 44. axb6 Rxb7 45. Nb4 d4 46. Nd5 Rc4 47. Kg2 Kg7 48. Kf3 Rd7 49. Rb2 Rc8 50. Nf6 Rb7 51. Ke4 Rd8 52. Kd3 h6 53. Rb5 g5 54. h5 Ra8 55. Kxd4 Ra3 56. Ne4 Rb8 57. b7 gxf4 58. gxf4 Rf3 59. Kd5 Rxf4 60. Nf6 Rd8+ 61. Kc5 Rf1 62. Nd7 Rc1+ 63. Kb6 Rd1 64. Nf6 Rf1 65. Kc7 Rh8 66. b8Q Rxb8 67. Kxb8 1-0

[Event "GER CupT 1617 prel6"]
[Site "Mendig"]
[Date "2017.01.28"]
[Round "1.1"]
[White "Bodrozic, Tomislav"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2400"]
[BlackElo "2259"]
[PlyCount "78"]
[EventDate "2017.01.28"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Hockenheim"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Qxe2 Qxd5 6. Nf3 e6 7. 0-0 Nc6 8. Rd1 0-0-0 9. c4 Qh5 10. Nc3 Bd6 11. c5 Be7 12. b4 e5 13. dxe5 Rxd1+ 14. Nxd1 Nd7 15. Bf4 Re8 16. e6 Nf8 17. b5 Nd8 18. b6 axb6 19. cxb6 Nfxe6 20. bxc7 Nc6 21. Bg3 Ned4 22. Nxd4 Qxe2 23. Nxe2 Bf6 24. Rc1 Rxe2 25. Ne3 Be5 26. Kf1 Rxa2 27. Bxe5 Nxe5 28. Nd5 Nc6 29. Re1 Kd7 30. Re8 Ra1+ 31. Ke2 Na7 32. Rd8+ Kc6 33. Ra8 Kxd5 34. c8Q Nxc8 35. Rxa1 Nd6 36. Kd3 b5 37. Ra7 h5 38. f3 g6 39. Re7 g5 1-0

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2017.01.15"]
[Round "5.5"]
[White "Duncker, Joachim"]
[Black "Engelmann, Jakob"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2269"]
[BlackElo "2256"]
[PlyCount "56"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Sangerhausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5 g6 5. Qh4 Nf6 6. Nc3 Bf5 7. f3 exf3 8. Nxf3 Bg7 9. d3 0-0 10. h3 Na6 11. g4 Bd7 12. Bh6 Nc7 13. Ng5 Ncd5 14. Nxd5 cxd5 15. Rf1 Qa5+ 16. c3 Rfe8 17. 0-0-0 Bh8 18. Kb1 Ba4 19. Rf3 Bxb3 20. axb3 Rac8 21. Nxf7 Kxf7 22. g5 Kg8 23. gxf6 exf6 24. Be3 Rc6 25. Bd4 Ra6 26. Qf2 Qa2+ 27. Kc2 Ra3 28. b4 Qb3+ 0-1

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2016.12.04"]
[Round "4.6"]
[White "Minor, Samuel"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2189"]
[BlackElo "2269"]
[PlyCount "79"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Wiesbaden"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 Nc6 6. h3 Bxf3 7. Bxf3 Qf5 8. 0-0 e6 9. c4 Bd6 10. Qa4 0-0 11. Bxc6 bxc6 12. Qxc6 Rab8 13. Nc3 Rb6 14. Qf3 Qxf3 15. gxf3 c5 16. Na4 Rb4 17. b3 Rxa4 18. bxa4 cxd4 19. Bb2 Bc5 20. Rfd1 Rd8 21. Rab1 g5 22. Bc1 h6 23. Rb5 Nd7 24. f4 f6 25. Kg2 Kf7 26. Bb2 e5 27. fxe5 fxe5 28. h4 Rg8 29. Rd3 gxh4+ 30. Kh3 Ke6 31. Kxh4 Rg2 32. Rd2 Rg1 33. f4 Rh1+ 34. Kg3 exf4+ 35. Kg2 Rh4 36. Re2+ Ne5 37. Rxe5+ Kxe5 38. Rxc5+ Ke4 39. Rd5 Rg4+ 40. Kf2 1-0

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2016.11.20"]
[Round "3.6"]
[White "Duncker, Joachim"]
[Black "Mueller Ludwig, Kristin"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2269"]
[BlackElo "2078"]
[PlyCount "153"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Erfurt Medizin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 h6 6. Qf3 Nc6 7. Nge2 Nf6 8. h3 Be6 9. Be3 Qd7 10. a3 Bxc3+ 11. Nxc3 0-0-0 12. 0-0-0 Ne8 13. g4 Rf8 14. Qg2 f5 15. f3 f4 16. Bf2 g5 17. Rde1 Nd6 18. Re2 Bg8 19. h4 Rde8 20. hxg5 hxg5 21. Rh6 Rxe2 22. Nxe2 Qe7 23. Qh1 Na5 24. Nc3 c6 25. Qe1 Qxe1+ 26. Bxe1 Nac4 27. Na4 Re8 28. Bf2 Nf7 29. Rh5 Ncd6 30. b3 Re6 31. Nc5 Rh6 32. Rxh6 Nxh6 33. Bg6 Bf7 34. Bh7 Bg8 35. Bd3 Kc7 36. Bg6 Bf7 37. Bh7 Ne8 38. Kd2 Nf6 39. Bd3 b6 40. Na4 Be6 41. Be2 Nf7 42. Nb2 Ng8 43. Nd3 Ne7 44. Ne1 Nh8 45. Bd3 Nhg6 46. Ng2 Kd7 47. Ke2 Ke8 48. Be1 Bd7 49. Bb4 Bc8 50. a4 Kd7 51. Ne1 Nf8 52. c3 Nfg6 53. Ba3 Ke6 54. Kf2 Bb7 55. Be2 Kd7 56. Nd3 Ke6 57. Nb2 Bc8 58. b4 Bd7 59. b5 Nc8 60. c4 cxb5 61. cxb5 Nd6 62. Bd3 Ne7 63. Ke2 Be8 64. Kd2 Bg6 65. Be2 Bb1 66. Kc3 Nec8 67. Bb4 Bg6 68. Bd1 Bh7 69. Bb3 Bg6 70. Nd1 Bf7 71. Nf2 Kf6 72. Nd3 Nc4 73. Nb2 Nxb2 74. Kxb2 Be6 75. Kc3 Bd7 76. Kd3 Ke6 77. Kd2 1/2-1/2

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2016.11.19"]
[Round "2.6"]
[White "Sieber, Stephan"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2208"]
[BlackElo "2269"]
[PlyCount "68"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Erfurt Empor"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. c4 a6 7. Ba4 b5 8. cxb5 Nxd5 9. Nc3 Nb4 10. a3 Nd3+ 11. Kf1 Nxc1 12. Rxc1 e6 13. bxa6 Rxa6 14. Nge2 Be7 15. Bb5 Ra5 16. d5 e5 17. Ng3 Bg6 18. Nge4 0-0 19. a4 Nb6 20. Qb3 Kh8 21. Ke2 f5 22. Ng3 e4 23. fxe4 fxe4 24. Rhf1 Ra8 25. Rxf8+ Bxf8 26. Bc6 Rb8 27. Ncxe4 Nd7 28. Qf3 Ne5 29. Qc3 Nxc6 30. Qxc6 Qh4 31. Qxc7 Re8 32. Rf1 Bxe4 33. Qe5 Qg4+ 34. Kd2 Bb4+ 0-1

[Event "Oberliga Ost-B 1617"]
[Site "Germany"]
[Date "2016.10.16"]
[Round "1.4"]
[White "Schlamp, Robert"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2263"]
[BlackElo "2269"]
[PlyCount "95"]
[EventDate "2016.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Oberursel"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. Nc3 d6 5. e4 0-0 6. h3 e5 7. d5 Na6 8. Qc2 Nb4 9. Qb3 a5 10. Bg5 Qe8 11. a3 Na6 12. Qc2 Nh5 13. g3 f6 14. Bd2 f5 15. Be2 Nc5 16. Be3 fxe4 17. Nd2 Nd3+ 18. Bxd3 exd3 19. Qxd3 Nf4 20. Qf1 Bf5 21. Nde4 Bxe4 22. Nxe4 Qa4 23. gxf4 Qc2 24. Ng5 exf4 25. Qe2 Qxe2+ 26. Kxe2 fxe3 27. fxe3 Bxb2 28. Rab1 Bxa3 29. Rxb7 h6 30. Ne6 Rf7 31. Ra1 Bc5 32. Nxc5 dxc5 33. Ra4 Ra6 34. Rb5 c6 35. Rxc5 cxd5 36. cxd5 Rfa7 37. e4 Kf7 38. Ke3 Kf6 39. Kd4 Rb6 40. Rc6+ Rxc6 41. dxc6 Ke6 42. Kc5 Ra8 43. Kb6 Rb8+ 44. Ka7 Re8 45. Kb7 Kd6 46. Rc4 Re7+ 47. c7 a4 48. Rc6+ 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.04.10"]
[Round "11.6"]
[White "Duncker, Joachim"]
[Black "Kayser, Felix"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2240"]
[BlackElo "2136"]
[PlyCount "33"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Wiesbaden"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Bb5 a6 6. Nd5 axb5 7. Qe5 Nxd5 8. Qxh8 Nc7 9. Bh6 Ne6 10. Nf3 Qa5+ 11. c3 d6 12. Nd4 Nc6 13. 0-0 Ncd8 14. f4 Qa7 15. f5 f6 16. fxe6 Nxe6 17. Kh1 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.04.09"]
[Round "10.6"]
[White "Boehmer, Christian"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2208"]
[BlackElo "2240"]
[PlyCount "142"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Moerlenbach"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Nxe2 Qxd5 6. 0-0 Nc6 7. Na3 e6 8. c4 Qa5 9. Nc2 Be7 10. a3 0-0 11. Qd3 Rad8 12. Bd2 Qh5 13. Nf4 Qf5 14. Qxf5 exf5 15. Bc3 Bd6 16. Ne2 Ne4 17. Rfd1 Nxc3 18. Nxc3 Na5 19. c5 Bf4 20. Rd3 Rfe8 21. g3 Bg5 22. Ne3 Bxe3 23. fxe3 Nc4 24. Nd1 b6 25. Rc3 b5 26. b3 Nd2 27. Nf2 g5 28. Rd1 Nf3+ 29. Kg2 g4 30. h3 h5 31. a4 b4 32. Rcd3 Rd5 33. hxg4 hxg4 34. Nh3 Rdd8 35. Ng1 Ng5 36. Rf1 Rd5 37. Ne2 Nf3 38. Ng1 Ng5 39. Ne2 Nf3 40. Nf4 Rdd8 41. Kf2 Kg7 42. Rh1 Rh8 43. Rdd1 c6 44. Rh5 Rxh5 45. Nxh5+ Kg6 46. Rh1 Nd2 47. Nf4+ Kg7 48. Rh5 Nxb3 49. Nd3 Nd2 50. Rxf5 Ne4+ 51. Kg2 b3 52. Rf4 Nf6 53. Rf2 Nd5 54. Re2 Rb8 55. Nb2 Rb4 56. Re1 f5 57. Kf2 Nc3 58. Ra1 Ne4+ 59. Kg2 Rb8 60. Rd1 a5 61. Rd3 Kf7 62. Rd1 Rh8 63. Rd3 Rb8 64. Rd1 Rb4 65. Rh1 Nc3 66. Rh7+ Ke8 67. Rh8+ Kd7 68. Nd3 b2 69. Ne5+ Ke6 70. Rh6+ Kd5 71. Rd6+ Ke4 0-1

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.02.21"]
[Round "8.5"]
[White "Duncker, Joachim"]
[Black "Weiss, Werner"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2240"]
[BlackElo "2155"]
[PlyCount "101"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Liebschwitz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. g3 Nbd7 5. Bg2 e5 6. Nge2 Be7 7. h3 b5 8. a3 0-0 9. Be3 a6 10. g4 Qc7 11. Ng3 Nb6 12. 0-0 Nc4 13. Bc1 exd4 14. Qxd4 Nd7 15. Nh5 f6 16. b3 Nce5 17. Be3 Bb7 18. Rad1 Rad8 19. Nf4 Nc5 20. b4 g5 21. Nh5 Ne6 22. Qd2 Nc4 23. Qc1 a5 24. Ne2 axb4 25. axb4 c5 26. Nc3 Nxe3 27. fxe3 cxb4 28. Nxb5 Qc4 29. Nd4 Nxd4 30. Rxd4 Qc3 31. Rd3 Qc4 32. Qd2 Rc8 33. Rf2 Qb5 34. Rb3 d5 35. exd5 Rcd8 36. Rd3 Rd6 37. Ng3 Bc8 38. Ne4 Ba6 39. Rd4 Qd7 40. Rxb4 f5 41. Nxd6 Qxd6 42. Rb3 f4 43. Qd4 Bc8 44. exf4 gxf4 45. Rbf3 Bg5 46. c4 h5 47. c5 Qh6 48. gxh5 Qxh5 49. Qe5 Qh6 50. Re2 Bf6 51. Qxf4 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.02.20"]
[Round "9.3"]
[White "Duncker, Joachim"]
[Black "Wendel, Stephan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2240"]
[BlackElo "2286"]
[PlyCount "91"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Frankfurt BvK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. Nge2 e6 6. 0-0 Nf6 7. d3 Nc6 8. h3 Qc7 9. g4 d6 10. Ng3 Be7 11. Nce2 h5 12. g5 Nd7 13. h4 Nde5 14. Nf4 0-0-0 15. c3 Qb6 16. a4 b4 17. a5 Nxa5 18. d4 b3 19. dxe5 dxe5 20. Nd3 c4 21. Be3 Qb5 22. Qf3 f5 23. Nxf5 Bf8 24. Nb4 exf5 25. Qxf5+ Kb8 26. Rfd1 Bxb4 27. cxb4 Nc6 28. Bc5 Rhe8 29. Bd6+ Ka8 30. Rd5 Qb6 31. Bc5 Qc7 32. Rad1 Nd4 33. Bxd4 exd4 34. Rc5 Qe7 35. Rxc4 d3 36. Qf4 Rd7 37. b5 Rd6 38. bxa6 Rxa6 39. Rxd3 Rb6 40. Ra4+ Ba6 41. e5+ Ka7 42. Qe3 Qe6 43. Bh3 Qg6 44. Rxb3 Rxe5 45. Rxb6 Qb1+ 46. Kh2 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.01.17"]
[Round "7.6"]
[White "Barski, Radoslaw"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2292"]
[BlackElo "2240"]
[PlyCount "89"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Heusenstamm"]
[BlackTeam "Marburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Rc1 a6 14. b4 Rf6 15. c5 Rh6 16. Nd3 Qe8 17. Be1 Qh5 18. h3 dxc5 19. bxc5 Nxc5 20. Nf2 Bd7 21. Nb5 Bxb5 22. Bxb5 axb5 23. Rxc5 c6 24. d6 b6 25. Rc1 Qf7 26. dxe7 Qxe7 27. Qb3+ Kh8 28. Nd3 Qd7 29. Nb4 Re8 30. Bf2 Qb7 31. Rfd1 Bf8 32. a3 Rg6 33. Qc3 c5 34. Nd5 h5 35. Rb1 Qc6 36. Qb3 g4 37. hxg4 hxg4 38. fxg4 b4 39. axb4 c4 40. b5 Qc8 41. Qh3+ Rh6 42. Qf3 Bc5 43. g5 Bxf2+ 44. Qxf2 Rg6 45. Nf6 1-0

[Event "Oberliga Ost-B 1516"]
[Site "Germany"]
[Date "2016.01.16"]
[Round "6.6"]
[White "Duncker, Joachim"]
[Black "Koller, Jens"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "2240"]
[BlackElo "2226"]
[PlyCount "92"]
[EventDate "2015.09.20"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Marburg"]
[BlackTeam "Oberursel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. f4 d6 6. Nh3 Bg7 7. 0-0 Nge7 8. d3 0-0 9. Kh1 Rb8 10. g4 f5 11. gxf5 exf5 12. Nd5 b5 13. Qe1 Nxd5 14. exd5 Nd4 15. Qd1 b4 16. Bd2 Nb5 17. Qc1 Bb7 18. Ng5 Nc7 19. c4 bxc3 20. Bxc3 Qd7 21. b3 Rfe8 22. Bxg7 Qxg7 23. Ne6 Nxe6 24. dxe6 Bxg2+ 25. Kxg2 Rxe6 26. Qc4 Qf7 27. Rae1 Rbe8 28. Rxe6 Rxe6 29. Rf2 Re1 30. Rd2 Kf8 31. Qxf7+ Kxf7 32. d4 cxd4 33. Rxd4 Re2+ 34. Kg3 Rxa2 35. Rxd6 Ra3 36. Rd7+ Kf6 37. Rb7 h6 38. h4 Ke6 39. h5 gxh5 40. Kh4 Kd5 41. Kxh5 Ra6 42. Re7 Kd4 43. b4 Rb6 44. Re5 Rf6 45. b5 Kc4 46. Kh4 Kb4 1/2-1/2

[Event "Staufer op-A 28th"]
[Site "Schwaebisch Gmuend"]
[Date "2016.01.06"]
[Round "9"]
[White "Duncker, Joachim"]
[Black "Klimentov, Evgeny"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2237"]
[BlackElo "2170"]
[PlyCount "114"]
[EventDate "2016.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d3 Bg7 6. f4 d6 7. h3 f6 8. Nf3 Nh6 9. 0-0 Nf7 10. Qe1 0-0 11. Na4 e5 12. fxe5 Nxe5 13. Nxe5 fxe5 14. b3 Rxf1+ 15. Qxf1 Be6 16. Be3 Qa5 17. Qe1 Qxe1+ 18. Rxe1 Rf8 19. Rf1 Rxf1+ 20. Kxf1 Kf7 21. Ke2 Ke7 22. Nb2 Bf6 23. c4 Kd7 24. Nd1 Bd8 25. Kf3 Bh4 26. Nc3 Kc7 27. Ne2 Kd7 28. Ng1 Kc7 29. Ke2 Kd7 30. Nf3 Bd8 31. Bd2 Kc8 32. Kf2 Kd7 33. Kg3 Be7 34. Kf2 Bd8 35. Ke1 Be7 36. Kd1 Kc7 37. Kc2 Kb7 38. Kb2 Kc7 39. Ka3 Kb6 40. Ka4 Bd7 41. Be3 Kb7 42. Bh6 Kb6 43. Bd2 Kb7 44. Be3 Ka6 45. Bg5 Bf8 46. Bd8 h6 47. Nh4 Be8 48. g4 Bf7 49. Ka3 Kb7 50. Nf3 Be6 51. Kb2 Kc8 52. Bh4 Kd7 53. Bf2 Be7 54. Be3 h5 55. gxh5 gxh5 56. h4 Bg4 57. Ng5 Bxg5 1/2-1/2

[Event "Staufer op-A 28th"]
[Site "Schwaebisch Gmuend"]
[Date "2016.01.05"]
[Round "8"]
[White "Haag, Ulrich"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "E84"]
[WhiteElo "2145"]
[BlackElo "2237"]
[PlyCount "48"]
[EventDate "2016.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Nc1 e5 10. d5 Nd4 11. N1e2 Nxe2 12. Bxe2 c5 13. dxc6 bxc6 14. 0-0-0 Qa5 15. Qxd6 Be6 16. Qc5 Qc7 17. Qa3 Nd7 18. Na4 Qa5 19. Bd2 Qc7 20. Nc5 Nxc5 21. Qxc5 Rfe8 22. Bc3 f6 23. Rd6 Bf8 24. Rxc6 Qb7 0-1

[Event "Staufer op-A 28th"]
[Site "Schwaebisch Gmuend"]
[Date "2016.01.04"]
[Round "5"]
[White "Duncker, Joachim"]
[Black "Krassowizkij, Jaroslaw"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2237"]
[BlackElo "2457"]
[PlyCount "70"]
[EventDate "2016.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bc4 e6 6. d3 Nge7 7. 0-0 d5 8. Bb3 0-0 9. Kh1 b6 10. Ba4 dxe4 11. dxe4 Bxc3 12. Bxc6 Nxc6 13. Qxd8 Rxd8 14. bxc3 Na5 15. Ne5 Kg7 16. Ng4 Bb7 17. f5 gxf5 18. exf5 exf5 19. Nf2 Re8 20. Bf4 Re2 21. Rad1 Rae8 22. Kg1 Rxc2 23. Rd6 Re6 24. Rfd1 Rxa2 25. h4 Rae2 26. h5 h6 27. R1d3 Rxd6 28. Rxd6 Re6 29. Rd7 a6 30. Nd3 Bc6 31. Ra7 Bb7 32. Bc7 Re7 33. Bxb6 Nc6 34. Bxc5 Rd7 35. Bd4+ Rxd4 0-1

[Event "Staufer op-A 28th"]
[Site "Schwaebisch Gmuend"]
[Date "2016.01.03"]
[Round "4"]
[White "Mueller, Philipp1"]
[Black "Duncker, Joachim"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2111"]
[BlackElo "2237"]
[PlyCount "148"]
[EventDate "2016.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Bg4 4. Bb5+ Nbd7 5. h3 a6 6. Be2 Bxf3 7. Bxf3 Ne5 8. Nc3 Nxf3+ 9. Qxf3 Qd6 10. d4 0-0-0 11. Bf4 Qd7 12. d6 Qe6+ 13. Kd2 exd6 14. d5 Qd7 15. Rae1 h6 16. g4 Kb8 17. Re3 Be7 18. Rhe1 Rde8 19. Bg3 Bd8 20. Kd1 Rxe3 21. Rxe3 Re8 22. Qe2 Rxe3 23. Qxe3 Qe7 24. Ke2 b5 25. a3 Kb7 26. f3 Qxe3+ 27. Kxe3 Kb6 28. Bf2 c6 29. Bg3 Be7 30. dxc6 Kxc6 31. Kd4 Bd8 32. Kd3 Nd7 33. Ne2 Nc5+ 34. Ke3 Ne6 35. f4 Bf6 36. c3 Kd5 37. h4 Bd8 38. f5 Bb6+ 39. Kd2 Nc5 40. Nf4+ Kc6 41. Ne2 Ne4+ 42. Kd3 Nxg3 43. Nxg3 Bf2 44. f6 g6 45. h5 gxh5 46. Nxh5 Kd5 47. b3 Ke5 48. c4 bxc4+ 49. Kxc4 Ke4 50. Ng7 d5+ 51. Kb4 Be1+ 52. Ka4 Bd2 53. Ne6 Ke5 54. Nc5 a5 55. Nb7 d4 56. Kb5 Kxf6 57. Kc4 Ke5 58. Kd3 Bc3 59. Nd8 f6 60. Nf7+ Kf4 61. Nxh6 Kg5 62. Ng8 Bb2 63. a4 Ba3 64. Kxd4 Kg6 65. Kd5 Kg7 66. Ke6 Kxg8 67. Kxf6 Bb4 68. Kg6 Bc3 69. g5 Bd4 70. Kh6 Bc3 71. Kg6 Bd4 72. Kh6 Bc5 73. Kg6 Be7 74. Kh6 Kf7 0-1

[Event "Staufer op-A 28th"]
[Site "Schwaebisch Gmuend"]
[Date "2016.01.02"]
[Round "2"]
[White "Gavrilov, Alexei"]
[Black "Duncker, Joachim"]
[Result "1-0"]
[ECO "E98"]
[WhiteElo "2425"]
[BlackElo "2237"]
[PlyCount "89"]
[EventDate "2016.01.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. a4 a5 10. Ne1 Nd7 11. Nd3 f5 12. Bd2 Kh8 13. f3 f4 14. Nb5 Rf6 15. b4 c6 16. Na3 axb4 17. Bxb4 c5 18. Bc3 g5 19. Nb5 h6 20. Qb3 Ng8 21. Qb2 Rg6 22. Rfe1 h5 23. a5 Ra6 24. Nxd6 Raxd6 25. Nxe5 Nxe5 26. Bxe5 Bxe5 27. Qxe5+ Qf6 28. Qxf6+ Rdxf6 29. e5 Ra6 30. Bd3 Rg7 31. e6 Nf6 32. Re5 Ne8 33. h4 g4 34. Rxh5+ Kg8 35. fxg4 Rxg4 36. Be2 Rg6 37. Rf5 Rf6 38. Rxf6 Nxf6 39. Rf1 Rxa5 40. Rxf4 Ne8 41. Bh5 Ra1+ 42. Kh2 Nd6 43. e7 Re1 44. Rf8+ Kg7 45. e8Q 1-0

