[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.06"]
[Round "8"]
[White "Koch, Juergen"]
[Black "Schlenkert, Ralf"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "1554"]
[PlyCount "97"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nf3 g6 4. Bf4 Bg7 5. e3 Nbd7 6. Be2 0-0 7. 0-0 c6 8. Nc3 Re8 9. Rb1 a5 10. a4 Nh5 11. Bg5 Nhf6 12. c5 h6 13. Bh4 e5 14. b4 axb4 15. Rxb4 Bf8 16. Rb2 e4 17. Nd2 Kg7 18. Qc2 Be7 19. Ra2 Nh7 20. Bg3 Rf8 21. Rfa1 Nhf6 22. a5 Nb8 23. Bxb8 Rxb8 24. a6 bxa6 25. Bxa6 Bd7 26. Be2 Qc8 27. Na4 Bg4 28. Bf1 Bd8 29. Nc3 Nh5 30. Ra7 Bh4 31. Ba6 Qf5 32. Nf1 Kg8 33. Rc7 Bd8 34. Rxc6 Qd7 35. Rd6 Qf5 36. Rxd5 Qf6 37. Ng3 Nxg3 38. hxg3 Qe6 39. Re5 Qd7 40. Qxe4 Bf5 41. Qf4 Bg5 42. Qf3 Bg4 43. Qd5 Be6 44. Qxd7 Bxd7 45. Bc4 Bf6 46. Re4 Rb4 47. Bd5 Bg7 48. Re7 Bc8 49. Raa7 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.05"]
[Round "6"]
[White "Koch, Juergen"]
[Black "Nickel, Jonas"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1554"]
[BlackElo "1797"]
[PlyCount "82"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Bf4 dxc4 5. e3 b5 6. a4 Bb4+ 7. Nc3 Nf6 8. Be2 Bb7 9. 0-0 a6 10. Qc2 Nbd7 11. b3 Bxc3 12. Qxc3 Nd5 13. Qb2 Nxf4 14. exf4 cxb3 15. Qxb3 Nb6 16. a5 Nd5 17. g3 0-0 18. Rfd1 Qe7 19. Rac1 Rfd8 20. Rc5 Rac8 21. Ne5 Qd6 22. Bh5 g6 23. Bf3 Ne7 24. Qc3 Rc7 25. Bg2 Rdc8 26. h4 Nf5 27. Rd3 f6 28. Nf3 Rd8 29. Qd2 Re8 30. Bh3 Nxd4 31. Nxd4 Qxc5 32. Bxe6+ Kg7 33. Bb3 Rce7 34. Qa2 Qc1+ 35. Rd1 Re1+ 36. Rxe1 Rxe1+ 37. Kg2 c5+ 38. Bd5 Rg1+ 39. Kh3 Qf1+ 40. Kg4 h5+ 41. Kf3 Qd1+ 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.05"]
[Round "7"]
[White "Sauer, Andreas"]
[Black "Koch, Juergen"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1340"]
[BlackElo "1554"]
[PlyCount "61"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Be2 0-0 6. Bg5 c6 7. Qd2 Re8 8. h4 e5 9. d5 c5 10. h5 Qd7 11. hxg6 fxg6 12. f3 a6 13. a4 Qf7 14. Nh3 Nbd7 15. Bh6 Nh5 16. g4 Bxh6 17. Qxh6 Qg7 18. Qe3 Ng3 19. Rh2 Nxe2 20. Kxe2 Rf8 21. Ng5 Nf6 22. Rah1 b6 23. Ne6 Bxe6 24. dxe6 Ra7 25. Nd5 Rb7 26. Qd2 Re8 27. g5 Nh5 28. Rxh5 gxh5 29. Nf6+ Kf8 30. Qxd6+ Ree7 31. Qd8+ 1-0

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.04"]
[Round "4"]
[White "Wilke, Ralf Dietmar"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1554"]
[PlyCount "138"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. d5 d6 5. e4 Bg7 6. Bc4 0-0 7. Nc3 Re8 8. Bd3 f5 9. f3 Qg5 10. Qe2 Bd7 11. Nh3 Qh4+ 12. Qf2 Qf6 13. Nf4 Qe5 14. Qe3 c6 15. 0-0-0 Bh6 16. g3 fxe4 17. fxe4 b5 18. a3 a5 19. Kd2 b4 20. Nb1 Qxb2 21. Qb6 bxa3 22. Qxb2 axb2 23. Na3 f5 24. Rhe1 Na6 25. Nc4 Nc5 26. Nxd6 Reb8 27. Rb1 a4 28. c3 a3 29. Bc4 Kf8 30. Ba2 cxd5 31. exd5 Ra6 32. Nc4 Ne4+ 33. Kc2 Ba4+ 34. Kd3 Bb5 35. Ne6+ Kg8 36. Nc7 Bxc4+ 37. Kxc4 Ra7 38. Nb5 Nd2+ 39. Kc5 Ra5 40. c4 Nxb1 41. Rxb1 Re8 42. Kb4 Bd2+ 43. Kb3 Re3+ 44. Kc2 Bc1 45. Nc3 Rf3 46. Ne2 Rf2 47. Kd3 Rxh2 48. Nxc1 bxc1Q 49. Rxc1 Rxa2 50. d6 Ra8 51. c5 Rd8 52. Kc3 Rb2 53. c6 Rxd6 54. c7 Rc6+ 55. Kd4 Rxc1 56. Ke5 Rxc7 57. Kf6 Rb6+ 58. Kg5 a2 59. Kh4 a1Q 60. Kg5 Qf6+ 61. Kh6 Qg7+ 62. Kg5 h6+ 63. Kh4 Rc4+ 64. Kh3 g5 65. Kg2 g4 66. Kf2 Qd4+ 67. Ke1 Qe3+ 68. Kf1 Rb1+ 69. Kg2 Rc2# 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.03"]
[Round "3"]
[White "Koch, Juergen"]
[Black "Berresheim, Nils"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1554"]
[BlackElo "1720"]
[PlyCount "62"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Bf4 0-0 5. e3 d6 6. Be2 c5 7. Nc3 b6 8. d5 Nbd7 9. 0-0 Nh5 10. Bg5 h6 11. Bh4 g5 12. Nd2 Nhf6 13. Bg3 Ne5 14. f4 Ng6 15. e4 gxf4 16. Bxf4 Nxf4 17. Rxf4 Nd7 18. Qe1 Kh7 19. Kh1 Ne5 20. Qf2 Bf6 21. h4 Ng6 22. Rf3 Kg8 23. g3 Bd4 24. Qg2 Bg4 25. Rff1 Bxe2 26. Qxe2 Qd7 27. Rf5 e6 28. dxe6 fxe6 29. Rxf8+ Rxf8 30. Qg4 Kh7 31. Kg2 Rf2+ 0-1

[Event "Krefeld op"]
[Site "Krefeld"]
[Date "2023.08.02"]
[Round "1"]
[White "Koch, Juergen"]
[Black "Drenthen, Arjan"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1554"]
[BlackElo "1931"]
[PlyCount "150"]
[EventDate "2023.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Bf4 d5 4. e3 Bg7 5. Nf3 0-0 6. Be2 e6 7. 0-0 Nbd7 8. Nc3 c6 9. c5 Re8 10. b4 b5 11. cxb6 axb6 12. a4 Nh5 13. Bg5 Qc7 14. Qb3 e5 15. dxe5 Nxe5 16. Rac1 Be6 17. Qa3 Nf6 18. Nd4 Ne4 19. Bf4 Nxc3 20. Rxc3 Bd7 21. Rfc1 Qb7 22. Rb3 b5 23. a5 Nc4 24. Qa2 Re7 25. Bxc4 dxc4 26. Rbb1 Rae8 27. Bd6 Re4 28. Bc5 Ra8 29. Rd1 Bf8 30. Bb6 Qxb6 31. Qc2 Qc7 32. Qxe4 Re8 33. Qf3 h5 34. Rd2 c5 35. bxc5 Qxc5 36. Qb7 c3 37. Rc2 Bf5 38. Nxf5 Qxf5 39. Rbc1 b4 40. a6 Rd8 41. e4 Qa5 42. h3 Bh6 43. Rb1 Qa4 44. Re2 c2 45. Rf1 c1Q 46. Rxc1 Bxc1 47. Kh2 Qa5 48. Rc2 Bf4+ 49. g3 Be5 50. a7 Bd4 51. Rc7 Bxa7 52. Rxf7 Bd4 53. Rf3 Rf8 54. Rxf8+ Kxf8 55. Qc8+ Ke7 56. Qb7+ Kd6 57. Qf7 Qb6 58. Qxg6+ Kc7 59. Qf7+ Kc6 60. Qd5+ Kc7 61. Qf7+ Kb8 62. Qe8+ Kb7 63. Qd7+ Ka6 64. Qc8+ Ka5 65. Qa8+ Kb5 66. Qd5+ Qc5 67. Qd7+ Kc4 68. Qe6+ Kc3 69. Qf7 Bxf2 70. Qf3+ Qe3 71. Qf6+ Kb3 72. Qe6+ Kb2 73. Qe5+ Qc3 74. Qf4 Qc2 75. Qf6+ Bd4+ 0-1

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.09.07"]
[Round "?"]
[White "Schubert, Steffen"]
[Black "Koch, Juergen"]
[Result "1-0"]
[ECO "B49"]
[PlyCount "81"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. 0-0 Nf6 8. Be3 b5 9. Nxc6 dxc6 10. Qd3 Bb7 11. Rad1 Rd8 12. Qxd8+ Qxd8 13. Rxd8+ Kxd8 14. e5 Nd7 15. Ne4 Nxe5 16. Rd1+ Kc8 17. f4 Nd7 18. Ng5 f6 19. Nxe6 g6 20. Bg4 f5 21. Bf3 Be7 22. Nd4 Bc5 23. Bf2 Bxd4 24. Rxd4 Kc7 25. Rd1 Re8 26. b3 Nb6 27. Bc5 Nd5 28. Kf2 Nc3 29. Rd6 Nxa2 30. Rf6 Rd8 31. g4 fxg4 32. Bxg4 Kb8 33. Rf7 h5 34. Bf3 Rd2+ 35. Ke1 Rxc2 36. Bd6+ Ka8 37. Be4 Rc3 38. Bxg6 c5 39. f5 Bd5 40. f6 Rf3 41. Rf8+ 1-0

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.08.25"]
[Round "?"]
[White "Keilholz, Stefan"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "74"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 Nf6 7. Nc3 Qc7 8. 0-0 Be7 9. Bg5 0-0 10. Qd2 e5 11. a3 h6 12. Bxf6 Bxf6 13. h3 d6 14. Nd1 d5 15. exd5 cxd5 16. c3 Rd8 17. Qe2 e4 18. Bc2 Rb8 19. Rb1 Rb6 20. Ne3 a5 21. Rfd1 Be6 22. Kh1 Qb7 23. Ng4 Be7 24. b4 axb4 25. cxb4 Ra8 26. Ne3 Rxa3 27. Rb3 Ra2 28. Rbb1 Rxb4 29. Qf1 Rab2 30. Rxb2 Rxb2 31. Rc1 d4 32. Ng4 Bxg4 33. hxg4 d3 34. Bd1 Bh4 35. Kg1 Rxf2 36. Qxf2 Bxf2+ 37. Kxf2 Qb2+ 0-1

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.08.13"]
[Round "?"]
[White "Reinecke, Juergen"]
[Black "Koch, Juergen"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "64"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nb6 8. Bb3 dxe5 9. dxe5 Qxd1+ 10. Bxd1 Nc6 11. 0-0 Bd7 12. Nc3 Be7 13. Be2 0-0 14. Be3 Nd5 15. Nxd5 exd5 16. Rfd1 Be6 17. a3 Rac8 18. Rac1 a6 19. Bd4 Nxd4 20. Nxd4 Rxc1 21. Rxc1 Rc8 22. Rxc8+ Bxc8 23. Bf3 Be6 24. Kf1 Bc5 25. Nb3 Bb6 26. Be2 h6 27. f4 Be3 28. g3 g5 29. fxg5 hxg5 30. Na5 b5 31. Nc6 Bc1 32. Nb4 Bxb2 1/2-1/2

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.08.03"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Schubert, Steffen"]
[Result "1/2-1/2"]
[ECO "C22"]
[PlyCount "60"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 0-0 7. 0-0-0 Re8 8. Bc4 d6 9. f3 Ne5 10. Bb3 Bc5 11. Qe1 a5 12. a4 c6 13. Be3 Nfd7 14. f4 Ng4 15. Bd4 Bxd4 16. Rxd4 d5 17. Nf3 Nc5 18. Qd2 Qb6 19. exd5 Nxb3+ 20. cxb3 Bf5 21. d6 Nf6 22. Ne5 Qxb3 23. d7 Red8 24. Re1 h5 25. Qd1 Qxd1+ 26. Rexd1 Kf8 27. R1d2 Ra6 28. h3 Raa8 29. b4 axb4 30. Rxb4 Ra7 1/2-1/2

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.07.23"]
[Round "?"]
[White "Most, Rolf Ruediger"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "72"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c6 3. d4 Nf6 4. c3 e6 5. Nf3 Nbd7 6. Bg5 h6 7. Bxf6 Nxf6 8. Nbd2 Be7 9. 0-0 0-0 10. a3 c5 11. dxc5 Bxc5 12. b4 Bb6 13. e3 Re8 14. Nd4 a5 15. b5 Qc7 16. Qc2 e5 17. Ne2 Bg4 18. f3 Bxe3+ 19. Kh1 Bh5 20. g4 Bg6 21. Qb2 Bd3 22. Nb3 a4 23. Nbc1 Bc4 24. Re1 Bf2 25. Rf1 Bc5 26. Na2 Bxa3 27. Qd2 Bc5 28. Nb4 e4 29. Nf4 e3 30. Qe1 Qxf4 31. Qg3 Qxg3 32. hxg3 Bxf1 33. Rxf1 e2 34. Re1 Bxb4 35. cxb4 a3 36. Kg1 a2 0-1

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.07.19"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Jehsert, Detlef"]
[Result "1-0"]
[ECO "C22"]
[PlyCount "57"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 b6 5. Nc3 Bc5 6. Qg3 g6 7. Nd5 h6 8. Nxc7+ Kf8 9. Nxa8 d6 10. Be3 Nf6 11. 0-0-0 Nxe4 12. Qf4 Bf5 13. g4 Bxe3+ 14. fxe3 Qxa8 15. gxf5 gxf5 16. Bg2 Ne7 17. Ne2 d5 18. Bxe4 fxe4 19. Rhg1 Qb7 20. Nd4 Qd7 21. Qf6 Rh7 22. Rdf1 Ke8 23. Qe5 Kd8 24. Rf6 Kc8 25. Rd6 Qh3 26. Rg8+ Nxg8 27. Qe8+ Kb7 28. Rd7+ Ka6 29. Qc8+ 1-0

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.07.11"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Reinecke, Juergen"]
[Result "1-0"]
[ECO "B42"]
[PlyCount "47"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 d6 6. 0-0 b6 7. Nc3 Bb7 8. Qf3 Nd7 9. Be3 Ne5 10. Qg3 Nxd3 11. cxd3 g6 12. Rac1 Bg7 13. f4 Ne7 14. f5 exf5 15. exf5 Be5 16. Qf2 0-0 17. Bh6 Nd5 18. Nxd5 Bxd5 19. Bxf8 Qxf8 20. Nc6 Bxc6 21. Rxc6 Qh6 22. h3 b5 23. a4 bxa4 24. d4 1-0

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.06.27"]
[Round "?"]
[White "Jehsert, Detlef"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "B41"]
[PlyCount "48"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. Nc3 e6 4. Nf3 a6 5. a3 Qc7 6. d4 cxd4 7. Nxd4 Nf6 8. Be3 Bd6 9. Nf3 0-0 10. Bd3 Ng4 11. Nd5 exd5 12. exd5 Nce5 13. Nxe5 Nxe3 14. Qh5 f5 15. fxe3 Bxe5 16. Qe2 d6 17. 0-0 Qe7 18. Rab1 Bd7 19. Rf3 f4 20. Qc2 g6 21. Re1 fxe3 22. Qe2 Rxf3 23. Qxf3 Rf8 24. Qxe3 Bd4 0-1

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.06.19"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Keilholz, Stefan"]
[Result "1-0"]
[ECO "D41"]
[PlyCount "37"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Nf6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 0-0 9. 0-0 Nxc3 10. bxc3 Nd7 11. Bf4 Nf6 12. Re1 b6 13. Ne5 Bb7 14. Qe2 Qd5 15. f3 Rad8 16. Qc2 Rc8 17. a4 Rcd8 18. a5 Bd6 19. Bc4 1-0

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.06.06"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Most, Rolf Ruediger"]
[Result "1-0"]
[ECO "C22"]
[PlyCount "43"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 d6 5. Nc3 Nf6 6. Bd2 Be7 7. 0-0-0 0-0 8. h3 h6 9. g4 g5 10. f4 a6 11. fxg5 Nh7 12. gxh6 Bg5 13. Qg3 Bxd2+ 14. Rxd2 Qg5 15. Nf3 Qe7 16. Nd5 Qxe4 17. Bd3 Qa4 18. a3 Be6 19. Bxh7+ Kxh7 20. Ng5+ Kxh6 21. Qh4+ Kg6 22. Qh5+ 1-0

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.04.25"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Voss, Martin"]
[Result "1-0"]
[ECO "C22"]
[PlyCount "25"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 d6 4. Nc3 Nf6 5. Be3 Be7 6. h3 Bd7 7. 0-0-0 Nc6 8. Qd2 0-0 9. g4 Be6 10. f4 a6 11. f5 Bd7 12. g5 Ne8 13. Nf3 1-0

[Event "Liga 2017 20194-K4-G4"]
[Site "freechess.de"]
[Date "2017.04.25"]
[Round "?"]
[White "Voss, Martin"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "28"]
[EventDate "2017.03.12"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 c6 3. h3 e5 4. d3 Bd6 5. Nf3 Ne7 6. Bg5 0-0 7. Bxe7 Qxe7 8. Nbd2 Be6 9. 0-0 f5 10. gxf5 Rxf5 11. e4 Rf4 12. a3 Nd7 13. exd5 cxd5 14. c4 Nc5 0-1

[Event "KO-19853"]
[Site "freechess.de"]
[Date "2016.11.16"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Wessel, Rudolf"]
[Result "1-0"]
[ECO "C22"]
[PlyCount "111"]
[EventDate "2016.04.05"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 0-0 7. 0-0-0 Re8 8. Bc4 d6 9. f3 Na5 10. Be2 Bc5 11. Qg5 Nc6 12. Nh3 Bxh3 13. gxh3 a5 14. Bb5 Re5 15. Qg2 Nd4 16. Bc4 Rh5 17. f4 a4 18. Ne2 b5 19. Bd3 b4 20. c3 Nxe2+ 21. Bxe2 a3 22. b3 Rh4 23. e5 Nh5 24. Be1 Nxf4 25. Bxh4 Nxg2 26. Bxd8 Rxd8 27. exd6 cxd6 28. cxb4 Bxb4 29. Rd4 Rc8+ 30. Kb1 Bc5 31. Ra4 Ne3 32. Bf3 f5 33. Re1 Kf7 34. b4 Bd4 35. b5 Bc5 36. Bc6 Kf6 37. Kc1 d5 38. Ra6 Kf7 39. Kd2 Bb4+ 40. Kxe3 Bxe1 41. Rxa3 Kf6 42. Ra7 d4+ 43. Ke2 Bb4 44. a4 Bc5 45. Ra6 Ke5 46. b6 Rxc6 47. b7 Rxa6 48. b8Q+ Rd6 49. Kd3 Bb6 50. h4 g6 51. Qh8+ Ke6 52. Qxh7 Kf6 53. Qh8+ Ke6 54. h5 gxh5 55. Qxh5 Bd8 56. Qe8+ 1-0

[Event "KO-19853"]
[Site "freechess.de"]
[Date "2016.10.10"]
[Round "?"]
[White "Wessel, Rudolf"]
[Black "Koch, Juergen"]
[Result "1-0"]
[ECO "E16"]
[PlyCount "63"]
[EventDate "2016.04.05"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 b6 6. Bg2 Bb7 7. 0-0 Bxd2 8. Qxd2 0-0 9. Nc3 d6 10. Rfe1 Ne4 11. Qc2 f5 12. Nd2 d5 13. cxd5 exd5 14. Rad1 Qf7 15. Ndxe4 dxe4 16. f3 exf3 17. exf3 Nc6 18. Qa4 Rad8 19. d5 Na5 20. f4 Rfe8 21. Re5 Qf8 22. b3 g6 23. Kf2 a6 24. Qd4 Re7 25. Qe3 Red7 26. Ne2 Qf7 27. Nd4 Ba8 28. Ne6 Rc8 29. Ng5 Qf8 30. Re1 Nb7 31. Rxf5 gxf5 32. Qe6+ 1-0

[Event "KO-19853"]
[Site "freechess.de"]
[Date "2016.05.19"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Krohs, Thorsten"]
[Result "1-0"]
[ECO "C22"]
[PlyCount "27"]
[EventDate "2016.04.05"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 0-0 8. 0-0-0 d6 9. f3 Be6 10. Kb1 Ne5 11. Bxe5 Qe7 12. Bc3 d5 13. exd5 Rad8 14. Bc4 1-0

[Event "KO-19853"]
[Site "freechess.de"]
[Date "2016.05.19"]
[Round "?"]
[White "Krohs, Thorsten"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "26"]
[EventDate "2016.04.05"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Nc3 e5 6. a3 Bc5 7. Bg5 Qb6 8. Nh3 Qxb2 9. Nb5 Nd4 10. Rb1 Qa2 11. Nxd4 Bxd4 12. Bxf6 Bc3+ 13. Ke2 gxf6 0-1

[Event "KO-19183"]
[Site "freechess.de"]
[Date "2015.10.30"]
[Round "?"]
[White "Wessel, Rudolf"]
[Black "Koch, Juergen"]
[Result "1/2-1/2"]
[ECO "A52"]
[PlyCount "103"]
[EventDate "2015.06.23"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bf4 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. e3 Bxd2+ 10. Qxd2 d6 11. Be2 0-0 12. 0-0 b6 13. Qc3 f6 14. h4 Bb7 15. h5 a5 16. b4 axb4 17. axb4 Qf7 18. Rfd1 Kh8 19. c5 bxc5 20. bxc5 Ra2 21. cxd6 cxd6 22. Rxa2 Qxa2 23. Bf1 Qe6 24. Qd4 Bf3 25. Qxd6 Qxd6 26. Rxd6 Bxh5 27. Bxe5 fxe5 28. Rd5 Re8 29. Bb5 Bf7 30. Rc5 Rd8 31. Rxe5 g6 32. Re7 Kg8 33. Rc7 Rd1+ 34. Kh2 Rd5 35. Ba6 Ra5 36. Bc8 h5 37. g4 Re5 38. gxh5 Rxh5+ 39. Kg3 Kf8 40. e4 Ra5 41. f4 Ke8 42. Kg4 Rh5 43. e5 Bd5 44. Rg7 Be4 45. Be6 Bd3 46. Rc7 Be4 47. Ra7 Kf8 48. Rf7+ Ke8 49. Rc7 Bd3 50. Rg7 Kf8 51. Rf7+ Ke8 52. Rf6 1/2-1/2

[Event "KO-18879"]
[Site "freechess.de"]
[Date "2015.10.21"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Bartsch, Thomas"]
[Result "1/2-1/2"]
[ECO "B55"]
[PlyCount "92"]
[EventDate "2015.02.13"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Nc6 7. c4 a5 8. Be3 Be7 9. Nc3 Be6 10. Nd5 0-0 11. Be2 Nd7 12. 0-0 Bh4 13. Qd2 a4 14. Nc1 h6 15. Nd3 Rc8 16. Rac1 Bg5 17. Bxg5 Qxg5 18. Qxg5 hxg5 19. Bd1 Ra8 20. Nc7 Ra5 21. Rc3 Nd4 22. Kf2 Rc8 23. Nxe6 fxe6 24. Ke3 b6 25. Nc1 Nc5 26. Nd3 Kf8 27. Rf2 Ke7 28. Nxc5 Raxc5 29. Kd3 Ra5 30. Ra3 Rca8 31. Ke3 b5 32. cxb5 Nxb5 33. Rd3 Nd4 34. Ra3 d5 35. b3 axb3 36. Rxa5 Rxa5 37. Bxb3 Ra3 38. Rb2 Kd6 39. h3 Kc6 40. Kd2 Kc5 41. Bc2 Nc6 42. Ke2 Na5 43. Bd3 Nc6 44. Rc2+ Kd6 45. Rb2 Nd4+ 46. Kd2 Kc6 1/2-1/2

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.10.20"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Hardt Broschei, Andreas"]
[Result "1-0"]
[ECO "C22"]
[PlyCount "117"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 d6 7. 0-0-0 Be6 8. f4 Qe7 9. a3 Bc5 10. Qg3 0-0-0 11. Nf3 a6 12. Bd3 Rhe8 13. f5 Bd7 14. Rhe1 Ne5 15. Nxe5 dxe5 16. Bc4 Qf8 17. Bg5 Bc6 18. Bxf6 gxf6 19. Kb1 Rxd1+ 20. Rxd1 Re7 21. Rd3 Rd7 22. Bd5 Rd6 23. Bxc6 bxc6 24. Na4 Bg1 25. h3 Bd4 26. Rb3 Kd7 27. Qd3 c5 28. Qc4 Ke7 29. Nc3 Bxc3 30. Qxc3 Rc6 31. Qc4 h5 32. Rd3 Qb8 33. Qd5 Rd6 34. Qxc5 Qb6 35. Qxb6 Rxb6 36. g3 c5 37. Rd5 Rc6 38. c4 Rc8 39. Kc2 Rg8 40. Rd3 h4 41. g4 a5 42. Rd5 Rc8 43. Kb3 Rb8+ 44. Kc3 Rc8 45. b4 cxb4+ 46. axb4 axb4+ 47. Kxb4 Rb8+ 48. Rb5 Rd8 49. Rb7+ Ke8 50. c5 Rd4+ 51. Kb5 Rxe4 52. c6 Kd8 53. Rxf7 Re3 54. Rxf6 Rb3+ 55. Kc5 Rxh3 56. Rh6 Rc3+ 57. Kd5 Rd3+ 58. Kxe5 h3 59. f6 1-0

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.10.14"]
[Round "?"]
[White "Hardt Broschei, Andreas"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "100"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. f4 b5 8. a3 Bb7 9. Be2 Nf6 10. Bf3 d6 11. 0-0 Na5 12. Qd3 e5 13. fxe5 dxe5 14. Nf5 Nc4 15. Nd5 Nxd5 16. exd5 Nxb2 17. Qe2 Nc4 18. a4 Nxe3 19. Nxe3 bxa4 20. Rxa4 Bc5 21. Kh1 0-0 22. Nc4 Rfe8 23. Be4 Rad8 24. Qd3 g6 25. Na5 Rd6 26. Nxb7 Qxb7 27. g4 Rc8 28. h3 Bd4 29. Ra3 Qb6 30. Qf3 Qc7 31. h4 Rb8 32. g5 Qd7 33. Qg2 Rc8 34. Raf3 Rc3 35. Rxc3 Bxc3 36. Qf3 Bd4 37. c3 Bc5 38. Qg3 a5 39. c4 a4 40. Rb1 Rb6 41. Rxb6 Bxb6 42. h5 Bc5 43. Kh2 a3 44. Bb1 Qa4 45. Ba2 Qc2+ 46. Qg2 Qd3 47. Qg3 Qe2+ 48. Qg2 Qxh5+ 49. Qh3 Qxg5 50. Qg3 Qc1 0-1

[Event "KO-18879"]
[Site "freechess.de"]
[Date "2015.10.04"]
[Round "?"]
[White "Bartsch, Thomas"]
[Black "Koch, Juergen"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "69"]
[EventDate "2015.02.13"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. a3 Be6 7. Bg2 Be7 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 Bf6 11. Qa4+ c6 12. Ne4 Be7 13. 0-0 0-0 14. Qc2 Re8 15. Nc5 Qc8 16. e4 Nb6 17. Re1 Rd8 18. Nxe6 Qxe6 19. Bf1 Bf6 20. e5 Be7 21. f4 g6 22. Be3 h5 23. h4 Kg7 24. Kh2 Qf5 25. Qf2 Nd5 26. Bh3 Qd3 27. f5 gxf5 28. Rad1 Qb3 29. Bd2 Rh8 30. Qxf5 Qxb2 31. Bg2 Kg8 32. Bg5 Bc5 33. Rf1 Rh7 34. Rxd5 cxd5 35. e6 1-0

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.10.01"]
[Round "?"]
[White "Schwellnus, Guido"]
[Black "Koch, Juergen"]
[Result "1/2-1/2"]
[ECO "A52"]
[PlyCount "75"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bf4 Bb4+ 6. Nbd2 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Be2 d6 10. 0-0 Bxd2 11. Qxd2 0-0 12. b4 a5 13. a3 axb4 14. axb4 Bd7 15. c5 Rxa1 16. Rxa1 dxc5 17. Rc1 Bc6 18. Rxc5 Rd8 19. Qc3 Ng6 20. Bg3 Nf8 21. Ra5 Ne6 22. b5 Bd5 23. Ra7 f5 24. f3 f4 25. Bf2 fxe3 26. Bxe3 Re8 27. Bd3 g6 28. Qe5 Qd7 29. Qc3 c6 30. bxc6 Qxc6 31. Qb2 Rc8 32. h4 Qc3 33. Qd2 Qxd2 34. Bxd2 Nc5 35. Be2 Nb3 36. Be3 Rc2 37. Bb5 Rc8 38. Kf2 1/2-1/2

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.09.30"]
[Round "?"]
[White "Gorlt, Steffen"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "72"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 0-0 10. 0-0 b6 11. Be3 Bb7 12. Qb3 Nd7 13. Rfd1 Qc7 14. Na4 Rab8 15. Nxb6 Bc8 16. Nxc8 Rxb3 17. Nxe7+ Nxe7 18. axb3 Rb8 19. Nc2 Rxb3 20. Rxa6 Rxb2 21. Raxd6 Nf8 22. R6d2 Qb7 23. Bc5 Nc6 24. Rd8 Nxd8 25. Rxd8 h5 26. Bd1 Rb1 27. Rxf8+ Kh7 28. Ne3 Qc7 29. Ba3 Qa5 30. Kf1 Qxa3 31. Rxf7 Qd3+ 32. Ke1 Kg8 33. Rc7 Rb2 34. Rc8+ Kf7 35. Rc7+ Kf6 36. Bc2 Rxc2 0-1

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.09.30"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Gorlt, Steffen"]
[Result "1-0"]
[ECO "C22"]
[PlyCount "75"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 0-0 7. 0-0-0 Re8 8. Bc4 d6 9. f3 Ne5 10. Bb3 Be6 11. Bxe6 Rxe6 12. Nh3 Qd7 13. Nf4 Bc5 14. Qe2 Ree8 15. g4 Qc6 16. h4 a5 17. g5 Nfd7 18. h5 a4 19. Nfd5 Bd4 20. g6 fxg6 21. f4 Nc4 22. hxg6 h6 23. Nb4 Qc5 24. Rh5 Qxb4 25. Rb5 Qxb5 26. Nxb5 Bxb2+ 27. Kb1 d5 28. Nxc7 Rxe4 29. Qd3 Rd4 30. Qf5 Nf8 31. Qf7+ Kh8 32. Nxa8 Ba3 33. Nc7 Nxd2+ 34. Ka1 Nb3+ 35. axb3 Rxd1+ 36. Ka2 Bb4 37. Ne8 Ra1+ 38. Kxa1 1-0

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.09.30"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Schwellnus, Guido"]
[Result "1/2-1/2"]
[ECO "C22"]
[PlyCount "73"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 g6 5. Nc3 Bg7 6. Bd2 Nf6 7. 0-0-0 0-0 8. Bc4 Na5 9. Be2 Re8 10. Qf4 d6 11. h4 h5 12. Nh3 Bxh3 13. Rxh3 a6 14. g4 Qd7 15. Rg3 hxg4 16. Bxg4 Nxg4 17. Rxg4 Nc4 18. h5 Nxd2 19. Rxd2 gxh5 20. Rg5 Re6 21. Nd5 Rg6 22. Nf6+ Bxf6 23. Qxf6 Rxg5 24. Qxg5+ Kf8 25. Qxh5 Rc8 26. f4 Qe6 27. b3 Re8 28. Qh8+ Ke7 29. Qc3 Kd7 30. e5 Qh6 31. Qc4 Re7 32. a4 Re6 33. exd6 cxd6 34. Qb4 Kc7 35. Rd4 Qh1+ 36. Kb2 Qh8 37. Qc4+ 1/2-1/2

[Event "KO-19183"]
[Site "freechess.de"]
[Date "2015.09.19"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Wessel, Rudolf"]
[Result "0-1"]
[ECO "C22"]
[PlyCount "60"]
[EventDate "2015.06.23"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 0-0 7. 0-0-0 Re8 8. Bc4 d6 9. f3 Ne5 10. Bb3 Be6 11. Bxe6 Rxe6 12. Nh3 Qd7 13. Nf4 Ree8 14. a3 Bc5 15. Qe2 c6 16. g4 Qe7 17. Na4 Nfd7 18. Kb1 b5 19. Nxc5 Nxc5 20. Bb4 a5 21. Bxc5 dxc5 22. Nd3 Nd7 23. Nf2 Nb6 24. h4 b4 25. Qd3 Red8 26. Qe3 Rdb8 27. Kc1 c4 28. Qg5 f6 29. Qe3 c3 30. Qd4 c5 0-1

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.08.12"]
[Round "?"]
[White "Flatschacher, Rudolf"]
[Black "Koch, Juergen"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "71"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 a6 5. Nc3 g6 6. Qb3 Bg7 7. Be2 0-0 8. 0-0 e6 9. Ne5 Nbd7 10. f4 Ne8 11. Rd1 Qe7 12. cxd5 exd5 13. e4 dxe4 14. Nxe4 Ndf6 15. Nc5 Nd6 16. Bd2 Nb5 17. Qc4 Nd6 18. Qd3 Bf5 19. Qb3 Nb5 20. Bb4 a5 21. Bc3 Nxc3 22. bxc3 Nd5 23. Qxb7 Qxb7 24. Nxb7 Nxf4 25. Bf3 Bxe5 26. dxe5 Nd3 27. Bxc6 Nxe5 28. Bb5 Rfc8 29. Rac1 Nc4 30. Rd4 Be6 31. a4 Kf8 32. Bxc4 Rxc4 33. Nd8 Rac8 34. Nxe6+ fxe6 35. Rd7 Rxc3 36. Rf1+ 1/2-1/2

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.08.04"]
[Round "?"]
[White "Mueller Toepler, Michael"]
[Black "Koch, Juergen"]
[Result "1-0"]
[ECO "B49"]
[PlyCount "87"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Be2 a6 5. d4 cxd4 6. Nxd4 Qc7 7. Be3 Nf6 8. 0-0 Bb4 9. Nxc6 bxc6 10. Na4 Be7 11. Nb6 Rb8 12. Nxc8 Qxc8 13. Bd4 Qc7 14. e5 Nd5 15. c4 Nf4 16. Qd2 Nxe2+ 17. Qxe2 0-0 18. Rad1 d5 19. exd6 Bxd6 20. c5 Bxh2+ 21. Kh1 Rbd8 22. g3 Bxg3 23. fxg3 Qxg3 24. Be5 Qh4+ 25. Bh2 Rd5 26. Rxd5 exd5 27. Kg2 Qg5+ 28. Bg3 h5 29. Kh2 a5 30. b3 Ra8 31. Rg1 Qf5 32. Qe7 a4 33. Be5 g6 34. Rg5 Qc2+ 35. Rg2 Qf5 36. b4 Rc8 37. a3 Kh7 38. Bg3 Kg7 39. Rf2 Qe6 40. Be5+ Kh6 41. Qxe6 fxe6 42. Kg3 Kg5 43. Kh3 Kh6 44. Rf7 1-0

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.07.04"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Mueller Toepler, Michael"]
[Result "0-1"]
[ECO "B32"]
[PlyCount "68"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 Nf6 9. Nc2 0-0 10. Be3 Ng4 11. Nd5 Nxe3 12. Ncxe3 Bg5 13. Be2 Qa5+ 14. Qd2 Qxd2+ 15. Kxd2 Be6 16. Rac1 Nd4 17. g3 Rac8 18. Rc3 Bd8 19. Rhc1 g6 20. c5 Rc6 21. cxd6 Rxd6 22. a3 b5 23. Bd1 f5 24. Kd3 h5 25. Rc5 Bd7 26. f3 Kg7 27. b4 fxe4+ 28. Kxe4 Re8 29. Kd3 Ne6 30. Bb3 Bb6 31. R5c3 Rf8 32. Rf1 Bc6 33. Kc2 Bd4 34. Rd3 Ng5 0-1

[Event "KO-18879"]
[Site "freechess.de"]
[Date "2015.06.18"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Bartsch, Reinhard"]
[Result "1/2-1/2"]
[ECO "B55"]
[PlyCount "44"]
[EventDate "2015.02.13"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 Qb6 7. Nc2 g6 8. Nc3 Bg7 9. Rb1 Nb4 10. Nxb4 Qxb4 11. Be3 0-0 12. a3 Qa5 13. Qd2 Bd7 14. Be2 Rfc8 15. 0-0 Be6 16. Rfc1 Nd7 17. Nd5 Qxd2 18. Bxd2 Bxd5 19. cxd5 Rxc1+ 20. Bxc1 Rc8 21. Be3 Rc2 22. Bb5 Nb6 1/2-1/2

[Event "KO-18879"]
[Site "freechess.de"]
[Date "2015.06.17"]
[Round "?"]
[White "Bartsch, Reinhard"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "44"]
[EventDate "2015.02.13"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Be2 d6 10. 0-0 Bxd2 11. Qxd2 0-0 12. Qd5 Re8 13. Rfd1 Bf5 14. Qxb7 Rab8 15. Qxa7 Rxb2 16. Bf1 g5 17. Bg3 Rbb8 18. c5 d5 19. a4 Be4 20. c6 Rb2 21. Qd4 Qf6 22. Qxe4 dxe4 0-1

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.06.16"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Flatschacher, Rudolf"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "43"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 e5 7. dxe5 Nxe5 8. Bc2 Nf6 9. Nf3 Nxf3+ 10. Qxf3 Bd6 11. 0-0 0-0 12. Re1 Bd7 13. Be3 Bc6 14. Bd4 Rae8 15. Nd2 Ne4 16. Nxe4 dxe4 17. Qf5 g6 18. Qg5 Bh2+ 19. Kh1 Be5 20. Bc5 Bd6 21. Bd4 Be5 22. Bc5 1/2-1/2

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.06.16"]
[Round "?"]
[White "Poeter, Manfred"]
[Black "Koch, Juergen"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "59"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe5 5. f4 Nec6 6. Be3 a5 7. a3 Na6 8. Qd5 b6 9. Nf3 Bc5 10. Qd2 Bxe3 11. Qxe3 Nc5 12. Nc3 0-0 13. Bd3 d6 14. 0-0 Re8 15. Bc2 Bd7 16. Rad1 f6 17. Qf2 Be6 18. Nd5 Kh8 19. e5 fxe5 20. Ng5 h6 21. Nxe6 Nxe6 22. Ba4 Qd7 23. f5 Ned4 24. f6 Qf7 25. Rd3 Re6 26. fxg7+ Qxg7 27. Bxc6 Nxc6 28. Rf3 Rg6 29. Rf7 Qg8 30. Qd2 1-0

[Event "Liga 2015 18681-K3-G4"]
[Site "freechess.de"]
[Date "2015.06.02"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Poeter, Manfred"]
[Result "0-1"]
[ECO "C22"]
[PlyCount "50"]
[EventDate "2015.03.15"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 0-0 7. 0-0-0 Re8 8. Bc4 d6 9. f3 Ne5 10. Bb3 a5 11. Nge2 Bc5 12. Nd4 b5 13. a4 b4 14. Nd5 Bxd4 15. Qxd4 c5 16. Nxf6+ Qxf6 17. Qe3 c4 18. Ba2 Be6 19. Bb1 c3 20. bxc3 Rab8 21. Qd4 Rec8 22. cxb4 Rc4 23. Qe3 axb4 24. Rde1 b3 25. c3 b2+ 0-1

[Event "KO-18879"]
[Site "freechess.de"]
[Date "2015.05.01"]
[Round "?"]
[White "Boettner, Juergen"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "80"]
[EventDate "2015.02.13"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 Nc6 5. Bb2 d5 6. e3 0-0 7. c4 Bg4 8. cxd5 Nxd5 9. Be2 Qe7 10. 0-0 Rad8 11. Re1 Rfe8 12. a3 Bd6 13. h3 Bh5 14. Nc3 Nxc3 15. Bxc3 Ne5 16. Nxe5 Bxe2 17. Rxe2 Bxe5 18. Bxe5 Qxe5 19. d4 Rxd4 20. Qxd4 Qxd4 21. exd4 Rxe2 22. Rc1 Re7 23. Kf1 Kf8 24. d5 Ke8 25. g3 Kd7 26. Kg2 Kd6 27. Rb1 b6 28. Kf3 Kxd5 29. Rd1+ Kc5 30. Rc1+ Kb5 31. a4+ Kxa4 32. Ra1+ Kb4 33. Rxa7 b5 34. Ra8 c5 35. Rh8 h6 36. Rg8 f6 37. Kf4 c4 38. Kf5 c3 39. Kg6 c2 40. Rc8 Kb3 0-1

[Event "KO-18879"]
[Site "freechess.de"]
[Date "2015.04.08"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Boettner, Juergen"]
[Result "1-0"]
[ECO "C22"]
[PlyCount "47"]
[EventDate "2015.02.13"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 d6 5. Nc3 Nf6 6. Bd2 Nb4 7. 0-0-0 Be6 8. h3 Qd7 9. f4 Bxa2 10. Nxa2 Nxa2+ 11. Kb1 Qa4 12. Qa3 Qxa3 13. bxa3 Nxe4 14. Kxa2 0-0-0 15. Be1 Be7 16. Bc4 Rhf8 17. Bd5 f5 18. Ne2 c6 19. Bb3 d5 20. Rg1 d4 21. Rxd4 Rxd4 22. Nxd4 c5 23. Nxf5 Rxf5 24. Be6+ 1-0

[Event "KO-18148"]
[Site "freechess.de"]
[Date "2014.12.14"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Rudolf, Pit"]
[Result "0-1"]
[ECO "C22"]
[PlyCount "78"]
[EventDate "2014.04.24"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 0-0 7. 0-0-0 Re8 8. Bc4 d6 9. f3 Ne5 10. Bb3 c6 11. Qe1 b5 12. a3 Bc5 13. Be3 Bxe3+ 14. Qxe3 a5 15. Qd4 b4 16. Na4 d5 17. Ne2 bxa3 18. bxa3 Qe7 19. Qc5 Qxc5 20. Nxc5 dxe4 21. Nxe4 Nxe4 22. fxe4 a4 23. Ba2 Ba6 24. Nc3 Bc4 25. Kb2 Ra5 26. Bxc4 Nxc4+ 27. Ka2 Rc5 28. Nxa4 Ra5 29. Kb3 Ne3 30. Rd3 Rb8+ 31. Ka2 Nxc2 32. Rb1 Rba8 33. Rdb3 f5 34. Rb8+ Rxb8 35. Rxb8+ Kf7 36. exf5 Rxa4 37. Kb3 Rxa3+ 38. Kxc2 Ra2+ 39. Rb2 Rxb2+ 0-1

[Event "KO-18148"]
[Site "freechess.de"]
[Date "2014.12.03"]
[Round "?"]
[White "Rudolf, Pit"]
[Black "Koch, Juergen"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "72"]
[EventDate "2014.04.24"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 c6 7. Bf4 Bf5 8. Qd2 Ne4 9. Nxe4 Bxe4 10. Bh3 Bxf3 11. exf3 e6 12. Rfe1 Nd7 13. c3 Re8 14. Be3 a6 15. Bg2 Qe7 16. Rab1 a5 17. b3 e5 18. dxe5 Qxe5 19. f4 Qxc3 20. Qd1 Re7 21. a3 Rae8 22. Bf1 Qf6 23. Qc2 d4 24. Bd2 Qd6 25. Rxe7 Rxe7 26. a4 b6 27. b4 axb4 28. Rxb4 Re8 29. Rb1 Bf6 30. a5 bxa5 31. Bxa5 c5 32. Rb7 Bd8 33. Qa4 Nf6 34. Qb3 Re7 35. Rb8 Re8 36. Rb7 Re7 1/2-1/2

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.11.18"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Kaltschmidt, Andreas"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "114"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 0-0 5. d3 d5 6. exd5 Nxd5 7. Bd2 Bxc3 8. bxc3 Nc6 9. 0-0 Qd6 10. Re1 Nb6 11. Bb3 h6 12. Qe2 Re8 13. Rad1 a5 14. a4 Be6 15. Be3 Bxb3 16. cxb3 Nd5 17. Qc2 Rad8 18. Nd2 Re7 19. Nc4 Qg6 20. f3 Ree8 21. Bc1 Re6 22. Nd2 Qh5 23. Ne4 f5 24. Ng3 Qf7 25. Re2 Rf6 26. Rde1 Qf8 27. Kh1 Qc5 28. Bb2 Nf4 29. Rd2 h5 30. Rf1 h4 31. Ne2 Nd5 32. Qc1 Ne3 33. Re1 h3 34. g3 f4 35. Ng1 Rh6 36. d4 exd4 37. cxd4 Qf5 38. d5 fxg3 39. hxg3 Nxd5 40. Kh2 Rdd6 41. Rde2 b6 42. Re8+ Kh7 43. Qc4 Ncb4 44. R1e4 Qf7 45. R8e7 Qxe7 46. Rxe7 Nxe7 47. Bc3 Ned5 48. Be5 Rde6 49. Qd4 Kg8 50. g4 Re7 51. f4 c6 52. g5 Rhe6 53. Nxh3 Nc2 54. Qd3 Nce3 55. Kg3 Rf7 56. Qa6 Nf5+ 57. Kg4 Rf8 1/2-1/2

[Event "RR-18429"]
[Site "freechess.de"]
[Date "2014.11.15"]
[Round "?"]
[White "Ungerathen, Helmut"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "56"]
[EventDate "2014.08.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bf4 Bb4+ 6. Nc3 Bxc3+ 7. bxc3 Qe7 8. Qd5 f6 9. exf6 Nxf6 10. Qd3 d6 11. g3 0-0 12. Bg2 Bg4 13. 0-0 Rae8 14. Rae1 b6 15. Ng5 Ne5 16. Bxe5 dxe5 17. Ne4 Nxe4 18. Qxe4 Be6 19. Qxe5 Bxc4 20. Bd5+ Bxd5 21. Qxd5+ Qf7 22. Qb3 Re7 23. Qb2 Rd7 24. Qc2 Rfd8 25. Rd1 Qe6 26. Rxd7 Qxd7 27. Qb3+ Kf8 28. Qa3+ c5 0-1

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.11.06"]
[Round "?"]
[White "Kaltschmidt, Andreas"]
[Black "Koch, Juergen"]
[Result "1-0"]
[ECO "B47"]
[PlyCount "105"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. Nxc6 bxc6 8. Qd4 d5 9. exd5 cxd5 10. Bf4 Qc5 11. Qxc5 Bxc5 12. Be3 Bxe3 13. fxe3 Nf6 14. 0-0-0 Ke7 15. Bf3 Bb7 16. h4 Rhc8 17. Rh3 Rab8 18. g4 Nd7 19. Be2 Nb6 20. g5 Nc4 21. b3 Nd6 22. Kb2 Rc7 23. Bd3 Rbc8 24. Ne2 g6 25. h5 Ne4 26. Bxe4 dxe4 27. Rd2 Rc5 28. hxg6 hxg6 29. Rg3 Rh8 30. Nf4 Rh1 31. Rg4 Re1 32. Ne2 Rf1 33. Ng3 Re1 34. Re2 Rd1 35. Rf2 Ke8 36. c4 Rd3 37. Nxe4 Bxe4 38. Rxe4 Rxg5 39. Kc2 Rd7 40. b4 Kd8 41. a4 Kc7 42. Rd4 f5 43. b5 axb5 44. Rxd7+ Kxd7 45. axb5 Rg3 46. Kd3 Kc7 47. Kd4 e5+ 48. Kxe5 Rxe3+ 49. Kd4 Re1 50. Rg2 Re6 51. c5 f4 52. Rh2 Re7 53. Ra2 1-0

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.11.02"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Schwellnus, Guido"]
[Result "1/2-1/2"]
[ECO "B55"]
[PlyCount "106"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Be7 7. c4 a5 8. Be3 0-0 9. Nc3 a4 10. Nd2 Qa5 11. a3 Be6 12. Be2 Bd8 13. 0-0 Nbd7 14. Kh1 Bb6 15. Bxb6 Nxb6 16. Rc1 Rfc8 17. b4 axb3 18. Qxb3 Na4 19. Qxa4 Qxa4 20. Nxa4 Rxa4 21. Rb1 Rxa3 22. Rxb7 Ra2 23. Rd1 Kf8 24. Kg1 g5 25. Bd3 g4 26. Kf2 gxf3 27. gxf3 Nh5 28. Ke3 Nf4 29. Rc1 Rca8 30. Rc3 R8a3 31. Rxa3 Rxa3 32. Rb3 Ra7 33. Rb2 Ke7 34. Bf1 Kd7 35. Kf2 Kc6 36. Kg3 f5 37. Kf2 fxe4 38. Nxe4 Bf5 39. Nc3 Nd3+ 40. Bxd3 Bxd3 41. Nb5 Rd7 42. Na3 Rf7 43. Ke3 Rf4 44. Rb8 Bxc4 45. Nxc4 Rxc4 46. Kf2 Rf4 47. Rh8 Rf7 48. Ke3 d5 49. Ke2 d4 50. Rc8+ Kd5 51. Rd8+ Ke6 52. Re8+ Kf5 53. h4 Rf6 1/2-1/2

[Event "RR-18429"]
[Site "freechess.de"]
[Date "2014.10.23"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Hoppe, Arnold"]
[Result "1/2-1/2"]
[ECO "B32"]
[PlyCount "61"]
[EventDate "2014.08.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 Nf6 9. Nc2 Be6 10. Be2 Rc8 11. 0-0 0-0 12. Be3 Na5 13. b3 b5 14. Nd5 Bxd5 15. exd5 bxc4 16. b4 Nb7 17. Na3 a5 18. b5 Ne4 19. Nxc4 Bg5 20. Qd3 f5 21. Rfd1 Nbc5 22. Bxc5 Nxc5 23. Qa3 e4 24. Qxa5 Qxa5 25. Nxa5 Na4 26. Nc6 Ra8 27. Rf1 Nc3 28. Bc4 Ra4 29. Bb3 Ra3 30. Bc4 Ra4 31. Bb3 1/2-1/2

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.10.18"]
[Round "?"]
[White "Schwellnus, Guido"]
[Black "Koch, Juergen"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "95"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bf4 Bb4+ 6. Nbd2 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Be2 d6 10. 0-0 Bxd2 11. Qxd2 0-0 12. b4 b6 13. c5 f6 14. cxd6 cxd6 15. Rfd1 Rd8 16. a4 Be6 17. a5 d5 18. axb6 axb6 19. Rxa8 Rxa8 20. Qd4 Qc7 21. e4 dxe4 22. Qxe4 Rc8 23. h3 Qc2 24. Qe3 Qc7 25. b5 Qc5 26. Qe4 Qc2 27. Rd8+ Kf7 28. Qb7+ Qc7 29. Qxc7+ Rxc7 30. Rb8 Rc2 31. Bh5+ g6 32. Rb7+ Nd7 33. Bf3 Rb2 34. Bc6 Ke7 35. Bc7 Nc5 36. Rxb6 h5 37. Rb8 Bd7 38. Bb6 Na4 39. Bd8+ Ke6 40. Bxd7+ Kxd7 41. Bxf6 Rb3 42. Rg8 Rxb5 43. Rxg6 Nb6 44. Rg5 Rxg5 45. Bxg5 Ke6 46. f4 Kf5 47. Kf2 Nd5 48. Kf3 1-0

[Event "KO-18390"]
[Site "freechess.de"]
[Date "2014.10.04"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Bihlmaier, Karl"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "43"]
[EventDate "2014.07.28"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Be7 10. 0-0 Bh5 11. Rfe1 0-0 12. Ne5 Nxe5 13. Bxe5 Nd7 14. Qc2 f6 15. Bg3 Bf7 16. Bxh7+ Kh8 17. Bg6 Bxg6 18. Qxg6 Qc6 19. Bf4 f5 20. Rxe6 Rf6 21. Rxc6 Rxg6 22. Rxg6 1-0

[Event "RR-18429"]
[Site "freechess.de"]
[Date "2014.10.03"]
[Round "?"]
[White "Robers, Frank"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "40"]
[EventDate "2014.08.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f3 a6 7. Be3 Nf6 8. Be2 d5 9. Qd2 Bd6 10. 0-0 Bxh2+ 11. Kh1 Bd6 12. exd5 exd5 13. Rfe1 0-0 14. Rad1 Bg3 15. Rf1 Re8 16. f4 Qe7 17. Nxc6 bxc6 18. Bf2 Ne4 19. Nxe4 Qh4+ 20. Kg1 Qh2# 0-1

[Event "RR-18429"]
[Site "freechess.de"]
[Date "2014.09.29"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Poeter, Manfred"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "32"]
[EventDate "2014.08.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 e5 7. dxe5 Nxe5 8. Bc2 Bd6 9. Nf3 Nxf3+ 10. Qxf3 Nf6 11. 0-0 0-0 12. Re1 b6 13. Bg5 Ne4 14. Be3 f5 15. Nd2 Bb7 16. Bd4 Nxd2 0-1

[Event "KO-18390"]
[Site "freechess.de"]
[Date "2014.09.28"]
[Round "?"]
[White "Bihlmaier, Karl"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "B47"]
[PlyCount "32"]
[EventDate "2014.07.28"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Nxc6 bxc6 7. g3 d5 8. f3 Bd6 9. Bd3 Ne7 10. f4 0-0 11. Be3 e5 12. f5 d4 13. Bxd4 exd4 14. Ne2 Qa5+ 15. Qd2 Bb4 16. c3 dxc3 0-1

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.08.05"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Vieth, Martin"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "71"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bc5 4. Bc4 0-0 5. d3 Nc6 6. Bg5 h6 7. Be3 Bxe3 8. fxe3 d6 9. 0-0 Bg4 10. a3 Ne7 11. d4 Qd7 12. Qd2 c6 13. dxe5 dxe5 14. Rad1 Qxd2 15. Rxd2 Rad8 16. Rfd1 Rxd2 17. Rxd2 Bxf3 18. gxf3 Ng6 19. Kf2 Re8 20. b4 Nf8 21. Bb3 N8d7 22. Na4 b6 23. Nb2 b5 24. a4 a6 25. a5 c5 26. c4 cxb4 27. cxb5 axb5 28. Nd3 Ra8 29. Ra2 Rc8 30. Nxb4 Nc5 31. Bd5 Nxd5 32. exd5 Na4 33. d6 Nc5 34. a6 Nd7 35. Nd5 Kf8 36. a7 1-0

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.07.22"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Linke, Michael"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "45"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Be3 0-0 8. Nc3 Nc6 9. Be2 Bd7 10. 0-0 Rc8 11. Qd2 Ne5 12. b3 a6 13. Rac1 b5 14. cxb5 axb5 15. Ndxb5 Rb8 16. a4 Nc6 17. Nd5 Na5 18. Rb1 Be6 19. Rfc1 Nxd5 20. exd5 Bf5 21. Bd3 Bd7 22. b4 Nb7 23. a5 1-0

[Event "KO-18148"]
[Site "freechess.de"]
[Date "2014.07.14"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Wessel, Rudolf"]
[Result "1-0"]
[ECO "A31"]
[PlyCount "45"]
[EventDate "2014.04.24"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 e6 7. Nc3 Be7 8. Be3 0-0 9. Be2 b6 10. 0-0 Bb7 11. Qd2 Nbd7 12. Rac1 Qc7 13. Rfd1 Rac8 14. b4 Qb8 15. Na4 h6 16. Qe1 Ba8 17. Qf2 Rfe8 18. a3 d5 19. exd5 exd5 20. cxd5 Nxd5 21. Bxa6 Nxe3 22. Rxc8 Rxc8 23. Qxe3 1-0

[Event "KO-18148"]
[Site "freechess.de"]
[Date "2014.07.14"]
[Round "?"]
[White "Wessel, Rudolf"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "46"]
[EventDate "2014.04.24"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 a6 5. c5 Nbd7 6. Bf4 g6 7. h3 Bg7 8. e3 0-0 9. Be2 Re8 10. 0-0 Ne4 11. Rc1 e5 12. Nxe5 Nxc3 13. Rxc3 Nxe5 14. Bxe5 Bxe5 15. dxe5 Rxe5 16. Bf3 Qe7 17. Qd4 Bf5 18. Rb3 Re8 19. Rc1 h5 20. Qb4 Bc8 21. Kh2 Qc7 22. Kh1 Qe7 23. Qd2 Qh4 0-1

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.07.04"]
[Round "?"]
[White "Tischer, Uwe"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "A29"]
[PlyCount "52"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 Be7 7. Nf3 Nc6 8. 0-0 0-0 9. Be3 Re8 10. Qd2 f6 11. Rac1 Be6 12. Ne1 Qd7 13. Nc2 Rac8 14. Rfd1 Bf8 15. f4 Nd5 16. Nxd5 Bxd5 17. Bf1 exf4 18. Bxf4 Bc5+ 19. Be3 Bxe3+ 20. Nxe3 Bxa2 21. Ng2 a5 22. Nf4 Nd4 23. Rc3 g5 24. Bh3 f5 25. Nh5 Qe7 26. Kf2 Bf7 0-1

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.06.28"]
[Round "?"]
[White "Westphal, Gerhard"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "D13"]
[PlyCount "68"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. cxd5 cxd5 5. e3 a6 6. Be2 Nc6 7. 0-0 Bf5 8. Nc3 e6 9. a3 Bd6 10. Bd3 Rc8 11. Bxf5 exf5 12. Qb3 Qd7 13. h3 0-0 14. Qc2 Na5 15. Qd1 Rfe8 16. Qa4 Qxa4 17. Nxa4 Nb3 18. Rb1 Ne4 19. Nb6 Rc2 20. Nxd5 Rec8 21. Nc3 b5 22. Nxe4 fxe4 23. Ng5 f5 24. Ne6 Nxc1 25. Nf4 Bxf4 26. exf4 Ne2+ 27. Kh2 Nxf4 28. h4 Nd3 29. b3 Nxf2 30. d5 Ng4+ 31. Kg1 Ne3 32. Rf2 Rc1+ 33. Rxc1 Rxc1+ 34. Kh2 Ng4+ 0-1

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.06.19"]
[Round "?"]
[White "Vieth, Martin"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "58"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 d5 7. 0-0 Nf6 8. exd5 cxd5 9. Bg5 Be7 10. Nd2 0-0 11. Nf3 Bb7 12. Nd4 a6 13. h3 Qc7 14. c3 Rfe8 15. Re1 Rac8 16. Rc1 h6 17. Bh4 Ne4 18. Bxe7 Qxe7 19. Qe2 Nc5 20. Bb1 Qg5 21. Qg4 Qf6 22. Qf3 Nd7 23. Qxf6 Nxf6 24. f3 Rc7 25. Bd3 Nh5 26. Kh2 e5 27. Bc2 g6 28. Rcd1 Ree7 29. Bb3 exd4 0-1

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.06.08"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Tischer, Uwe"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "43"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Qg4 Nge7 8. Qxg7 Rg8 9. Qxh7 Qc7 10. Ne2 cxd4 11. f4 dxc3 12. Qd3 Bd7 13. Qxc3 Nf5 14. Rb1 Rc8 15. Bd2 b6 16. g3 d4 17. Qd3 Nxe5 18. fxe5 Qxe5 19. Bg2 Rc5 20. 0-0 Bb5 21. Rxb5 Rxb5 22. Bc6+ 1-0

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.06.01"]
[Round "?"]
[White "Linke, Michael"]
[Black "Koch, Juergen"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "30"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 a6 4. a4 Nc6 5. Bb2 d5 6. exd5 exd5 7. Be2 Nf6 8. 0-0 Bd6 9. Re1 0-0 10. d4 Bf5 11. dxc5 Bxc5 12. Na3 Re8 13. Bd3 Rxe1+ 14. Nxe1 Ng4 15. Bxf5 Qh4 0-1

[Event "Liga 2014 17854-K4-G4"]
[Site "freechess.de"]
[Date "2014.05.08"]
[Round "?"]
[White "Koch, Juergen"]
[Black "Westphal, Gerhard"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "27"]
[EventDate "2014.03.08"]
[EventType "tourn (corr)"]
[EventCountry "GER"]
[SourceTitle "Corr 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.24"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 d6 4. d4 c6 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nxe5 Ke7 8. Be3 Nbd7 9. Nd3 Kd8 10. 0-0-0 b6 11. Ne5 Ke7 12. Nxc6+ Ke8 13. Nb5 Bb7 14. Nc7# 1-0

