[Event "Hamburg Easter op"]
[Site "Hamburg"]
[Date "2023.04.07"]
[Round "1"]
[White "Koch, Ralf Johannes"]
[Black "Plenca, Julian"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1716"]
[BlackElo "2416"]
[PlyCount "52"]
[EventDate "2023.04.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. g3 Rb8 6. Bg2 d6 7. 0-0 b5 8. d3 b4 9. Ne2 a5 10. c3 Nf6 11. Qc2 0-0 12. h3 Qb6 13. Bd2 Ba6 14. c4 Nd7 15. Rab1 b3 16. axb3 Qxb3 17. Qxb3 Rxb3 18. Bc3 Rfb8 19. Nd2 R3b6 20. Bxg7 Kxg7 21. b3 Nb4 22. d4 Nc2 23. d5 Ne3 24. Rfc1 a4 25. bxa4 Rb2 26. Rxb2 Rxb2 0-1

[Event "Pinneberg-ch 37th"]
[Site "Pinneberg"]
[Date "2019.09.19"]
[Round "7"]
[White "Koch, Ralf Johannes"]
[Black "Iwanow, Thomas"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1711"]
[BlackElo "1740"]
[PlyCount "83"]
[EventDate "2019.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e6 2. b3 c5 3. Bb2 Nc6 4. Nf3 d6 5. Bd3 Nf6 6. Nc3 Be7 7. Ne2 Qc7 8. Ng3 Bd7 9. c3 Ne5 10. Nxe5 dxe5 11. Qe2 a6 12. 0-0 0-0 13. Rac1 Bc6 14. Bb1 Bb5 15. Bd3 Bxd3 16. Qxd3 Rad8 17. Qe3 Qd6 18. Rfd1 Qd3 19. Qxd3 Rxd3 20. Kf1 Rfd8 21. Ke2 h5 22. f3 h4 23. Nf1 Nh5 24. g3 hxg3 25. hxg3 Bg5 26. Rc2 f5 27. c4 Bf6 28. Rc3 R3d7 29. Rc2 g5 30. Bc3 Rd3 31. Kf2 b6 32. exf5 exf5 33. Ne3 Nxg3 34. Nd5 Nh5 35. Rh1 R8xd5 36. cxd5 Nf4 37. b4 Rxd5 38. bxc5 Nd3+ 39. Ke2 Nxc5 40. Bb4 e4 41. Bxc5 exf3+ 42. Kxf3 1/2-1/2

[Event "Pinneberg-ch 37th"]
[Site "Pinneberg"]
[Date "2019.09.12"]
[Round "6"]
[White "Obreht, Slobodan"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1842"]
[BlackElo "1711"]
[PlyCount "52"]
[EventDate "2019.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Nf3 Bd6 5. Nc3 Nf6 6. Nb5 Bg4 7. Nxd6+ Qxd6 8. Be2 0-0 9. h3 Bxf3 10. gxf3 Ne7 11. d3 d4 12. Qd2 c5 13. e4 Ng6 14. Ba3 Qc7 15. c3 Qa5 16. Bb2 Qc7 17. cxd4 cxd4 18. Bd1 Nf4 19. b4 Qd7 20. h4 Rac8 21. a4 Rc7 22. Bb3 Rfc8 23. Rd1 N6h5 24. b5 Qd6 25. Ra1 Qg6 26. Rh2 Qg1# 0-1

[Event "Pinneberg-ch 37th"]
[Site "Pinneberg"]
[Date "2019.09.05"]
[Round "5"]
[White "Koch, Ralf Johannes"]
[Black "Bremer, Wolfgang"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1711"]
[BlackElo "1487"]
[PlyCount "67"]
[EventDate "2019.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. g3 Be7 5. Bg2 d6 6. h3 h6 7. 0-0 0-0 8. c3 Bd7 9. Nbd2 b6 10. Kh2 Qc8 11. Ng1 Qa6 12. Nb3 Rad8 13. f4 Be6 14. c4 b5 15. f5 Bc8 16. Qe2 bxc4 17. dxc4 Qb6 18. Be3 Qb8 19. Rfc1 Bb7 20. Bf2 Qa8 21. Nd2 Rb8 22. b3 Bd8 23. Re1 Ne7 24. g4 c5 25. Bf3 Ba5 26. Rad1 Nc6 27. h4 Nd4 28. Bxd4 exd4 29. g5 hxg5 30. hxg5 Bxd2 31. gxf6 Bf4+ 32. Kh1 g5 33. Nh3 Rbe8 34. Nxf4 1-0

[Event "Pinneberg-ch 37th"]
[Site "Pinneberg"]
[Date "2019.08.29"]
[Round "4"]
[White "Weisshorn, Lasse"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1884"]
[BlackElo "1688"]
[PlyCount "53"]
[EventDate "2019.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 0-0 6. h3 Nfd7 7. e5 Nb6 8. Bb3 d5 9. Bf4 Nc6 10. c3 Bf5 11. Nbd2 Na5 12. Bd1 Nac4 13. Nf1 Rc8 14. b3 Na5 15. Ng3 Be6 16. Qe3 Nd7 17. Bh6 c5 18. Nh5 Bh8 19. Nf4 Bg7 20. Bxg7 Kxg7 21. Ng5 Qb6 22. Nfxe6+ fxe6 23. Bg4 Rc6 24. h4 cxd4 25. cxd4 Qb4+ 26. Kf1 Qb6 27. h5 1-0

[Event "Pinneberg-ch 37th"]
[Site "Pinneberg"]
[Date "2019.08.22"]
[Round "3"]
[White "Koch, Ralf Johannes"]
[Black "Hotze, Kurt"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1688"]
[BlackElo "1599"]
[PlyCount "77"]
[EventDate "2019.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Nc3 Nf6 4. Bc4 a6 5. a4 Nc6 6. Nge2 Ne5 7. Bb2 Nxc4 8. bxc4 e5 9. 0-0 Be6 10. d3 g6 11. f4 Ng4 12. Rf3 exf4 13. Nd5 Ne5 14. Rxf4 Bg7 15. Rb1 0-0 16. Qe1 Rb8 17. Bc3 f5 18. Ba5 b6 19. Bxb6 Qd7 20. a5 g5 21. Rf1 fxe4 22. Rxf8+ Rxf8 23. Qg3 h6 24. Nec3 Ng4 25. Ne2 Be5 26. Qe1 Bxh2+ 27. Kh1 Be5 28. d4 Nf2+ 29. Kg1 Bg7 30. dxc5 Qf7 31. cxd6 Bxd5 32. cxd5 Ng4 33. c4 Qh5 34. Qg3 Be5 35. Qh3 Bh2+ 36. Kh1 Nf2+ 37. Bxf2 Qxe2 38. Qe6+ Kh7 39. Rb7+ 1-0

[Event "Pinneberg-ch 37th"]
[Site "Pinneberg"]
[Date "2019.08.15"]
[Round "2"]
[White "Sachse, Theo"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1305"]
[BlackElo "1688"]
[PlyCount "64"]
[EventDate "2019.08.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 g6 2. Bc4 d6 3. Nf3 Bg7 4. d3 Nf6 5. h3 0-0 6. Nbd2 c6 7. a3 d5 8. exd5 cxd5 9. Ba2 Nc6 10. d4 Bf5 11. c3 Bd3 12. Nb3 Bc4 13. Bb1 e5 14. Nfd2 exd4 15. Nxc4 dxc4 16. Nxd4 Nxd4 17. cxd4 Re8+ 18. Be3 Nd5 19. 0-0 Rxe3 20. fxe3 Nxe3 21. Qf3 Nxf1 22. Qxf1 Bxd4+ 23. Kh1 Bxb2 24. Ra2 c3 25. Bc2 Qd5 26. Qb1 Qd2 27. Rxb2 cxb2 28. Qxb2 Rc8 29. Qxb7 Qxc2 30. Qxa7 Qc1+ 31. Kh2 Qc7+ 32. Qxc7 Rxc7 0-1

[Event "Lueneburg op-A"]
[Site "Lueneburg"]
[Date "2019.08.04"]
[Round "2"]
[White "Koch, Ralf Johannes"]
[Black "Yaaqoub, Rashid"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1724"]
[BlackElo "2141"]
[PlyCount "106"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Nbd2 0-0 7. h3 Bb6 8. Bb3 Be6 9. Nf1 d5 10. Ng3 h6 11. 0-0 Qd6 12. Qe2 Rfe8 13. Nh4 dxe4 14. dxe4 Bxb3 15. axb3 Rad8 16. Qf3 Ne7 17. Nhf5 Nxf5 18. Nxf5 Qd3 19. Be3 Qxe4 20. Qxe4 Nxe4 21. Bxb6 axb6 22. Ra7 Rb8 23. Rd1 Nf6 24. Kf1 Kf8 25. Ke2 h5 26. Ne3 g6 27. b4 Ke7 28. Nd5+ Nxd5 29. Rxd5 Ke6 30. Rd2 Re7 31. b3 Rd7 32. Rxd7 Kxd7 33. f3 f5 34. Ke3 Re8 35. Ra2 Rd8 36. g4 hxg4 37. hxg4 Rh8 38. gxf5 gxf5 39. Rg2 Rh3 40. Rg7+ Kd6 41. Rg6+ Ke7 42. Rg7+ Kf6 43. Rxc7 e4 44. Rxb7 Rxf3+ 45. Ke2 Rxc3 46. Rxb6+ Kg5 47. Rb8 Kf4 48. b5 Rxb3 49. b6 Rb2+ 50. Kd1 e3 51. b7 e2+ 52. Ke1 Kf3 53. Re8 Rxb7 0-1

[Event "Hamburg-ch Seniors 50+"]
[Site "Hamburg"]
[Date "2018.10.28"]
[Round "7"]
[White "Raedisch, Peter"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1659"]
[BlackElo "1767"]
[PlyCount "66"]
[EventDate "2018.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c3 d6 4. Nf3 Nf6 5. Nbd2 c6 6. Bc4 0-0 7. a3 Qc7 8. Ba2 Nbd7 9. 0-0 e5 10. Qe2 Nb6 11. Ng5 h6 12. Ngf3 Bg4 13. h3 Bd7 14. Nh2 Rae8 15. Qf3 Nh5 16. Qe3 exd4 17. cxd4 Nd5 18. Qf3 Ne7 19. Qc3 Nf6 20. Re1 Be6 21. d5 Nfxd5 22. exd5 Bxc3 23. dxe6 Nd5 24. exf7+ Qxf7 25. Bxd5 Rxe1+ 26. Ndf1 Qxd5 27. bxc3 Qc5 28. Nf3 Re2 29. Be3 Qxc3 30. Bd4 Qd3 31. Bxa7 c5 32. Bb6 Rxf3 33. gxf3 Qxf3 0-1

[Event "Hamburg-ch Seniors 50+"]
[Site "Hamburg"]
[Date "2018.10.27"]
[Round "5"]
[White "Bigott, Martin"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1807"]
[BlackElo "1767"]
[PlyCount "41"]
[EventDate "2018.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 Bg7 3. Bc4 d6 4. 0-0 Nf6 5. Re1 0-0 6. d4 c6 7. c3 Qc7 8. e5 dxe5 9. Nxe5 Nd5 10. Nd2 e6 11. Ndf3 Nd7 12. Bd2 b5 13. Bf1 N5b6 14. Bf4 Qb7 15. Qd2 Nxe5 16. Nxe5 Rd8 17. Bh6 Nd7 18. Bxg7 Kxg7 19. Ng4 Nf8 20. Qg5 Nd7 21. Qxd8 1-0

[Event "Hamburg-ch Seniors 50+"]
[Site "Hamburg"]
[Date "2018.10.27"]
[Round "6"]
[White "Koch, Ralf Johannes"]
[Black "Molsner, Heinz"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "1767"]
[BlackElo "1744"]
[PlyCount "50"]
[EventDate "2018.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 d6 4. Bg2 Nc6 5. h3 Be7 6. Nge2 Bd7 7. d3 0-0 8. 0-0 Qc8 9. Kh2 Nd8 10. f4 exf4 11. Nxf4 Ne6 12. Nh5 c6 13. Nxf6+ Bxf6 14. Be3 Qd8 15. Qd2 a6 16. d4 Rb8 17. Rf2 b5 18. Raf1 Bg5 19. Ne2 b4 20. Nf4 Nxf4 21. Bxf4 Bxf4 22. Qxf4 Qe7 23. Qe3 a5 24. c3 Qe6 25. b3 Rb5 1/2-1/2

[Event "Hamburg-ch Seniors 50+"]
[Site "Hamburg"]
[Date "2018.10.26"]
[Round "4"]
[White "Koch, Ralf Johannes"]
[Black "Johanssen, Torsten"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1767"]
[BlackElo "1898"]
[PlyCount "44"]
[EventDate "2018.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 e5 3. Nf3 Nc6 4. g3 d5 5. Nbd2 Bg4 6. Bg2 dxe4 7. dxe4 Qd7 8. 0-0 0-0-0 9. Qe1 Bc5 10. c3 Qd3 11. h3 Bd7 12. Nb3 Bb6 13. Bg5 Rhg8 14. Rd1 Qc4 15. Nfd2 Qe6 16. Be3 Ne7 17. Qe2 Bc6 18. Bxb6 axb6 19. Nc1 Ne8 20. b3 Nd6 21. Rfe1 Nb5 22. Nb1 Nd6 1/2-1/2

[Event "Hamburg-ch Seniors 50+"]
[Site "Hamburg"]
[Date "2018.10.25"]
[Round "3"]
[White "Schirmer, Werner"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "1918"]
[BlackElo "1767"]
[PlyCount "90"]
[EventDate "2018.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Be2 cxd4 6. Nxd4 Nc6 7. Be3 Nf6 8. 0-0 d6 9. Nb3 Qd8 10. f4 0-0 11. Bf3 Be6 12. Nd5 Bxd5 13. exd5 Na5 14. Bd4 Nxb3 15. axb3 a6 16. c4 Qc7 17. Re1 Rfe8 18. Qd3 Nd7 19. Bxg7 Kxg7 20. b4 Qb6+ 21. c5 dxc5 22. bxc5 Qxc5+ 23. Kh1 Qd6 24. Qd4+ Qf6 25. Qb4 Rab8 26. Bg4 Nf8 27. Rac1 Qd6 28. Qd4+ Kg8 29. f5 Red8 30. fxg6 hxg6 31. Bf3 Nd7 32. Qh4 Kg7 33. h3 Nf6 34. Red1 Rh8 35. Qg5 Nh5 36. Qe3 Ng3+ 37. Kg1 Nf5 38. Qc3+ Qf6 39. Qb4 Qg5 40. Re1 Rxh3 41. Bg4 Rh4 42. Qc3+ Qf6 43. Bxf5 gxf5 44. Rxe7 Qxc3 45. Rxc3 Rd4 1/2-1/2

[Event "Hamburg-ch Seniors 50+"]
[Site "Hamburg"]
[Date "2018.10.24"]
[Round "2"]
[White "Koch, Ralf Johannes"]
[Black "Becker, Thomas3333"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1767"]
[BlackElo "1929"]
[PlyCount "126"]
[EventDate "2018.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Be2 Nd4 6. 0-0 d6 7. Nd5 e6 8. Ne3 Nxe2+ 9. Qxe2 Ne7 10. d3 0-0 11. c3 b5 12. Rb1 Bb7 13. Ng4 h5 14. Nf2 Qd7 15. Be3 Rac8 16. Rbd1 f5 17. Ng5 e5 18. Nfh3 Kh8 19. Bc1 b4 20. c4 Rf6 21. b3 Nc6 22. Bb2 Nd4 23. Bxd4 exd4 24. Rde1 Re8 25. Qf2 fxe4 26. dxe4 Qg4 27. Qg3 Qxg3 28. hxg3 Rff8 29. Nf2 Bf6 30. Nf3 a5 31. Nd2 Re7 32. Re2 Rfe8 33. Rfe1 Bg7 34. Kf1 Re6 35. Nd3 Bf8 36. Nf2 Bh6 37. Nd3 Bf8 38. Nf2 Kg7 39. Nd3 Bc6 40. Nf2 a4 41. Nd3 axb3 42. axb3 Ra8 43. Nf3 Ra3 44. Nc1 Kg8 45. Nd2 Bg7 46. Nd3 Bf8 47. Kf2 Ra2 48. Kf1 Re8 49. Nf2 Rc2 50. Ra1 Rc3 51. Nh1 Bg7 52. Ra6 Rc8 53. Ra1 Rc2 54. Rd1 Ra8 55. Ke1 Raa2 56. Nf2 Rc3 57. Nf3 Rxe2+ 58. Kxe2 Rxb3 59. Rd3 Rc3 60. Nd2 Ba4 61. Rf3 Bc2 62. Nd1 d3+ 63. Ke1 Ra3 0-1

[Event "Hamburg-ch Seniors 50+"]
[Site "Hamburg"]
[Date "2018.10.23"]
[Round "1"]
[White "Porth, Hartmut"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2068"]
[BlackElo "1767"]
[PlyCount "112"]
[EventDate "2018.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 d6 5. Nf3 Nbd7 6. c4 0-0 7. Nc3 Nh5 8. Bh2 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Bxe5 dxe5 12. Be2 Nf6 13. Qb3 c6 14. 0-0 Qc7 15. Rfd1 Be6 16. Qa3 b6 17. Qd6 Rac8 18. b3 Rfd8 19. Qxc7 Rxd1+ 20. Rxd1 Rxc7 21. Rd8+ Kg7 22. Bf3 Bd7 23. Kf1 Ne8 24. Ke1 Kf8 25. Rxd7 Rxd7 26. Bxc6 Rd6 27. Bxe8 Kxe8 28. Nd5 Kd7 29. e4 Kc6 30. b4 Re6 31. Kd2 f5 32. Kd3 fxe4+ 33. Kxe4 Kd6 34. f3 h6 35. a3 Re8 36. g3 Rc8 37. Ne3 a5 38. c5+ bxc5 39. Nc4+ Ke6 40. b5 Rd8 41. Nxa5 Rd4+ 42. Ke3 Ra4 43. Nb7 Rxa3+ 44. Ke4 Ra4+ 45. Kd3 Kd5 46. Nd8 c4+ 47. Kd2 Kc5 48. b6 Kxb6 49. Nf7 Ra5 50. h4 Kc6 51. Nxh6 Kd5 52. Ng4 Kd4 53. Kc2 Ra2+ 54. Kd1 c3 55. Kc1 Rg2 56. Kd1 c2+ 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2018.09.27"]
[Round "7"]
[White "Luettig, Hendrik"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1442"]
[BlackElo "1651"]
[PlyCount "42"]
[EventDate "2018.08.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. d4 d6 4. Be2 Nf6 5. Nbd2 c6 6. c3 Qc7 7. 0-0 Nbd7 8. Qc2 0-0 9. Re1 e5 10. b3 Re8 11. Bd3 Nf8 12. h3 Nh5 13. Nf1 Ne6 14. Be3 Nef4 15. Ng3 Nxd3 16. Qxd3 Nxg3 17. fxg3 f5 18. Bd2 fxe4 19. Rxe4 Bf5 20. g4 Bxe4 21. Qxe4 d5 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2018.09.20"]
[Round "6"]
[White "Koch, Ralf Johannes"]
[Black "Iwanow, Thomas"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1651"]
[BlackElo "1712"]
[PlyCount "41"]
[EventDate "2018.08.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. Nbd2 Nbd7 7. Bd3 0-0 8. 0-0 Re8 9. c3 e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. Qc2 h6 13. Rae1 Ne4 14. Nxe4 dxe4 15. Be2 Be6 16. Rd1 Rad8 17. Qa4 a6 18. a3 Bc8 19. Rxd8 Rxd8 20. Rd1 Rxd1+ 21. Qxd1 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2018.08.30"]
[Round "3"]
[White "Koch, Ralf Johannes"]
[Black "Bohn, Christoph"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1651"]
[BlackElo "1738"]
[PlyCount "84"]
[EventDate "2018.08.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Qb6 5. Qc1 cxd4 6. exd4 Bb4+ 7. c3 Bd6 8. Bxd6 Qxd6 9. Nbd2 Nc6 10. Nc4 Qc7 11. Qg5 0-0 12. Ne3 h6 13. Qh4 Ne7 14. Bd3 Ng6 15. Bxg6 fxg6 16. Ne5 Kh7 17. Qg3 g5 18. f3 d6 19. Nd3 e5 20. dxe5 dxe5 21. h4 Nh5 22. Qh2 Nf4 23. 0-0-0 Qb6 24. Rhe1 Be6 25. hxg5 Nxd3+ 26. Rxd3 Qa6 27. Rd2 Qxa2 28. Kd1 Rad8 29. Rxd8 Rxd8+ 30. Ke2 Qxb2+ 31. Kf1 Qxc3 32. gxh6 gxh6 33. Qh4 Qd3+ 34. Kf2 Re8 35. Qf6 Qd2+ 36. Kf1 Qd4 37. Kf2 Qd2+ 38. Kf1 Qd6 39. Kf2 Rf8 40. Qh4 Rf4 41. Qg3 Qd2+ 42. Kf1 a5 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2018.08.23"]
[Round "2"]
[White "Griwenka, Volker"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1889"]
[BlackElo "1651"]
[PlyCount "80"]
[EventDate "2018.08.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Bg5 c6 6. Qd2 0-0 7. Be2 Qc7 8. 0-0 Nbd7 9. Bh6 e5 10. Bxg7 Kxg7 11. Rad1 Re8 12. Rfe1 Nf8 13. Bc4 Bg4 14. dxe5 dxe5 15. Qe3 Be6 16. Bf1 Bg4 17. Rd2 b6 18. Red1 Bxf3 19. Qxf3 Rad8 20. g3 Ne6 21. h3 Rxd2 22. Rxd2 Rd8 23. Qd1 Rxd2 24. Qxd2 b5 25. Bg2 a5 26. Ne2 Nc5 27. f3 Ne6 28. c3 Qb6+ 29. Kf1 Qc5 30. Nc1 Qc4+ 31. Qd3 Qxd3+ 32. Nxd3 Nd7 33. Ke2 Kf6 34. h4 c5 35. Ke3 c4 36. Nc1 Nb6 37. b3 Nc5 38. Bf1 Ke6 39. Be2 Kd6 40. Bd1 f6 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2018.08.16"]
[Round "1"]
[White "Koch, Ralf Johannes"]
[Black "Falk, Rolf"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1651"]
[BlackElo "1199"]
[PlyCount "91"]
[EventDate "2018.08.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. Nge2 a6 6. 0-0 d6 7. Kh1 Ng4 8. Qe1 Nb4 9. f3 Nxc2 10. Qd1 Nf2+ 11. Rxf2 Nxa1 12. Rf1 0-0 13. d3 b5 14. Bd2 b4 15. Nd5 c6 16. Nxb4 Qb6 17. Qa4 Bd7 18. Rxa1 a5 19. Nc2 Rfb8 20. Bc3 Qa6 21. Ne1 Bb4 22. Qc2 c5 23. Rd1 Be6 24. a3 Bxc3 25. Qxc3 Rb3 26. Qd2 Rab8 27. Rb1 Qb6 28. Bf1 Qa6 29. Qc2 a4 30. Nc1 R3b6 31. Be2 Rc8 32. Qd2 c4 33. dxc4 Bxc4 34. Bxc4 Qxc4 35. Qd3 Qc5 36. Kg2 Rd8 37. Ne2 Rdb8 38. Rc1 Qa5 39. Qc2 Rxb2 40. Qxb2 Qd8 41. Qc2 Qd7 42. Nd3 g6 43. Nb4 Kg7 44. Qc6 Qe6 45. Rc4 Rd8 46. Nc3 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2018.06.06"]
[Round "4"]
[White "Tornier, Siegfried"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1361"]
[BlackElo "1651"]
[PlyCount "80"]
[EventDate "2018.08.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. Nf3 d6 4. a3 Nf6 5. h3 0-0 6. Bc4 Nxe4 7. Nxe4 d5 8. Bxd5 Qxd5 9. d3 e5 10. 0-0 f5 11. Nc3 Qd6 12. Re1 Nc6 13. Re2 a6 14. Bd2 b5 15. Qc1 Bb7 16. Bh6 Nd4 17. Nxd4 exd4 18. Bxg7 Kxg7 19. Nb1 Qc6 20. f3 Rae8 21. Rxe8 Rxe8 22. Nd2 Qe6 23. Qd1 Qe3+ 24. Kf1 Bd5 25. Qe1 Kf6 26. Qf2 Qxf2+ 27. Kxf2 c5 28. g3 g5 29. Rh1 Kg6 30. Rg1 Re3 31. g4 f4 32. Re1 Kf6 33. Ne4+ Bxe4 34. dxe4 b4 35. axb4 cxb4 36. Rxe3 fxe3+ 37. Ke2 b3 38. cxb3 Ke5 39. b4 Kf4 40. b3 d3+ 0-1

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.04.01"]
[Round "5"]
[White "Koch, Ralf Johannes"]
[Black "Aumueller, Ingo"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1745"]
[BlackElo "2004"]
[PlyCount "134"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 d5 5. d3 Nc6 6. g3 Nf6 7. e5 Nd7 8. Bg2 Be7 9. 0-0 h5 10. h3 Qc7 11. Ne2 b6 12. c3 Bb7 13. d4 f6 14. Qc2 0-0-0 15. Be3 Rdg8 16. Nh4 fxe5 17. Ng6 exd4 18. cxd4 Rh6 19. f5 exf5 20. Nxe7+ Nxe7 21. Bf4 Qc6 22. Bxh6 gxh6 23. Rac1 h4 24. dxc5 bxc5 25. Qd2 Qb6 26. Qe3 Kd8 27. b4 cxb4 28. Qxb6+ Nxb6 29. Kh2 hxg3+ 30. Nxg3 Rf8 31. Rb1 a5 32. a3 Nc4 33. axb4 Nd2 34. bxa5 Nxb1 35. Rxb1 Kc7 36. Bf1 Ra8 37. Ra1 Ba6 38. Bg2 Bd3 39. Nh5 Be4 40. Nf4 Kd6 41. Ne2 Nc6 42. a6 Nb4 43. a7 Nc6 44. Nc3 Bxg2 45. Kxg2 d4 46. Nb5+ Kc5 47. Nc7 Rxa7 48. Rc1+ Kb6 49. Nd5+ Kb5 50. Kf3 Ne5+ 51. Ke2 Ra2+ 52. Kd1 Nf3 53. Nc7+ Kb4 54. Nd5+ Kb3 55. Rb1+ Kc4 56. Nb6+ Kd3 57. Rb3+ Ke4 58. Nc4 Rh2 59. Nd6+ Kf4 60. Nxf5 Rh1+ 61. Ke2 Ng1+ 62. Kf2 Kxf5 63. Kg2 Rxh3 64. Rb5+ Ke4 65. Kxg1 Ke3 66. Kg2 Rh4 67. Kg3 Re4 0-1

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.04.01"]
[Round "6"]
[White "Mi, Gufeng"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1464"]
[BlackElo "1745"]
[PlyCount "149"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. 0-0 d6 5. d3 Nc6 6. Nbd2 Qc7 7. e4 e5 8. Re1 Nge7 9. c3 Bg4 10. h3 Bd7 11. Nf1 Nd8 12. Bg5 f6 13. Be3 Nf7 14. Rc1 0-0 15. Qd2 Rad8 16. h4 h5 17. Qe2 Nh6 18. Qd2 Kh7 19. N1h2 Qc8 20. Qe2 b6 21. d4 Ng4 22. Nxg4 Bxg4 23. Qb5 Bd7 24. Qe2 Bg4 25. d5 Ng8 26. Qc2 Nh6 27. Nh2 Bd7 28. c4 Nf7 29. f3 Bh6 30. b3 Rg8 31. Bxh6 Nxh6 32. Rf1 g5 33. Kh1 Bh3 34. Rg1 gxh4 35. gxh4 Rg3 36. Qf2 Bxg2+ 37. Rxg2 Rxg2 38. Qxg2 Rg8 39. Qf1 Rg3 40. Qf2 Qh3 41. Rg1 Rxg1+ 42. Kxg1 f5 43. a3 Ng8 44. Qg2 Qxg2+ 45. Kxg2 f4 46. Nf1 Ne7 47. Nd2 Ng6 48. Kh3 Kg7 49. b4 cxb4 50. axb4 Kf7 51. Nb3 Ke7 52. c5 bxc5 53. bxc5 dxc5 54. Nxc5 a5 55. d6+ Kxd6 56. Nb7+ Kc6 57. Nxa5+ Kb5 58. Nb7 Kc4 59. Kg2 Kd3 60. Kf2 Nxh4 61. Nc5+ Kc4 62. Nd7 Ng6 63. Nf6 h4 64. Ng4 Kd3 65. Ke1 Kd4 66. Ke2 h3 67. Kf2 Nf8 68. Kg1 Nd7 69. Kh2 Nc5 70. Kxh3 Nxe4 71. fxe4 Kxe4 72. Kg2 Kd4 73. Kf3 Kd5 74. Nf2 Kd4 75. Ng4 1/2-1/2

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.03.31"]
[Round "4"]
[White "Grotrian, Peter"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1544"]
[BlackElo "1745"]
[PlyCount "78"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be3 Qa5 5. Qd2 Nf6 6. f3 cxd4 7. Bxd4 Nc6 8. Be3 d6 9. 0-0-0 Be6 10. Kb1 0-0 11. g4 Rfc8 12. h4 Nd7 13. Nd5 Qxd2 14. Rxd2 Bxd5 15. exd5 Nce5 16. h5 b6 17. hxg6 hxg6 18. Bh6 Bxh6 19. Rxh6 Kg7 20. Rhh2 Rh8 21. Bh3 g5 22. Bf1 Rxh2 23. Rxh2 Rh8 24. Rxh8 Kxh8 25. Be2 Kg7 26. Nh3 f6 27. f4 gxf4 28. Nxf4 Nf8 29. Nd3 Nxd3 30. Bxd3 Ng6 31. Bxg6 Kxg6 32. c4 Kg5 33. Kc2 Kxg4 34. b4 Kf5 35. Kd3 Ke5 36. a4 f5 37. c5 dxc5 38. bxc5 Kxd5 39. cxb6 axb6 0-1

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.03.31"]
[Round "3"]
[White "Koch, Ralf Johannes"]
[Black "Wobbe, Sven"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1745"]
[BlackElo "2077"]
[PlyCount "48"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 d6 4. Nf3 Nc6 5. Bb5 Nge7 6. 0-0 a6 7. Bxc6+ Nxc6 8. d3 Be7 9. Ne2 0-0 10. Ng3 f5 11. e5 dxe5 12. fxe5 Nxe5 13. Qe2 Nxf3+ 14. Qxf3 g6 15. Rb1 Qd5 16. Qxd5 exd5 17. Bd2 Bd7 18. c4 dxc4 19. dxc4 Rfe8 20. Rfe1 Bf6 21. Kf2 Rxe1 22. Bxe1 Bc6 23. b3 Rd8 24. Ne2 Be4 0-1

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.03.30"]
[Round "2"]
[White "Klawitter, Rolf"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1473"]
[BlackElo "1745"]
[PlyCount "94"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 g6 2. Bf4 d6 3. e3 Bg7 4. Nf3 c5 5. c3 Qb6 6. Qb3 Qxb3 7. axb3 cxd4 8. cxd4 Nf6 9. h3 0-0 10. Nc3 Nc6 11. Be2 Bf5 12. 0-0 Nb4 13. g4 Bd3 14. Bxd3 Nxd3 15. Bh2 Nb4 16. Ra4 Nc6 17. d5 Nd8 18. Rfa1 a6 19. Nb5 Nxd5 20. e4 Nb6 21. Ra5 Nc6 22. Nc7 Rac8 23. Nd5 Nxa5 24. Nxb6 Rc6 25. Nd5 Nxb3 26. Nxe7+ Kh8 27. Nxc6 Nxa1 28. Ncd4 Re8 29. Kf1 Rxe4 30. Ne2 d5 31. Nf4 d4 32. Ng5 Re7 33. Nd3 Nb3 34. Bd6 Rd7 35. Ke1 h6 36. Ne4 f5 37. gxf5 gxf5 38. Nec5 Nxc5 39. Bxc5 Kg8 40. f3 Kf7 41. Ba3 Ke8 42. f4 Bf8 43. Bxf8 Kxf8 44. Ne5 Re7 45. Kd2 Rxe5 46. fxe5 f4 47. Ke2 Ke7 0-1

[Event "Hamburg CC Easter op 4th"]
[Site "Hamburg"]
[Date "2018.03.30"]
[Round "1"]
[White "Koch, Ralf Johannes"]
[Black "Gaede, Derek"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1745"]
[BlackElo "2314"]
[PlyCount "74"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. g3 Nc6 4. Bg2 g6 5. f4 Bg7 6. Nf3 Nge7 7. 0-0 0-0 8. Nc3 Rb8 9. Ne2 f5 10. c3 b5 11. Qc2 Bb7 12. Be3 c4 13. e5 d6 14. d4 Nd5 15. Bf2 b4 16. Nd2 Na5 17. Rfd1 g5 18. Nf3 gxf4 19. Nxf4 Nxf4 20. gxf4 Bh6 21. Bh4 Qe8 22. cxb4 Be4 23. Qc3 Nc6 24. Ng5 Bxg2 25. Kxg2 Nxb4 26. Qg3 Kh8 27. Kh1 Qc6+ 28. Qg2 Qxg2+ 29. Kxg2 Nd3 30. Kf3 Bxg5 31. Bxg5 dxe5 32. dxe5 Rxb2 33. Rab1 c3 34. Rxb2 cxb2 35. Rb1 Rb8 36. Bf6+ Kg8 37. Rg1+ Kf8 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2017.10.19"]
[Round "7"]
[White "Fieron, Andreas"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1439"]
[BlackElo "1640"]
[PlyCount "50"]
[EventDate "2017.09.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nc3 cxd4 4. Qxd4 Nc6 5. Qd1 g6 6. Bf4 Bg7 7. e4 0-0 8. Nf3 Qa5 9. Be2 Nxe4 10. Bd2 Nxd2 11. Qxd2 Bxc3 12. bxc3 d6 13. 0-0 Ne5 14. Nd4 Qc5 15. Nb3 Qc7 16. Qd4 Be6 17. c5 Nc6 18. cxd6 Nxd4 19. dxc7 Nxe2+ 20. Kh1 Rfc8 21. Nd4 Nxd4 22. cxd4 Rxc7 23. Rfd1 Bd5 24. f3 Rac8 25. h4 Rc2 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2017.10.12"]
[Round "6"]
[White "Koch, Ralf Johannes"]
[Black "Klein, Franz"]
[Result "1/2-1/2"]
[ECO "C25"]
[WhiteElo "1640"]
[BlackElo "1588"]
[PlyCount "52"]
[EventDate "2017.09.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. h3 Be6 7. 0-0 Qd7 8. Kh2 Bh6 9. d3 f6 10. f4 Bf7 11. fxe5 Bxc1 12. Qxc1 fxe5 13. Qg5 Qe7 14. Qe3 Nf6 15. Qh6 Be6 16. Nb5 0-0-0 17. Qe3 Kb8 18. c4 a6 19. Nbc3 Rdf8 20. Rab1 Nh5 21. a3 Rxf1 22. Rxf1 Rf8 23. Rxf8+ Qxf8 24. b4 Qf6 25. Bf3 Ng7 26. Bg2 Nh5 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2017.09.28"]
[Round "4"]
[White "Engels, Jan"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1289"]
[BlackElo "1640"]
[PlyCount "80"]
[EventDate "2017.09.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e4 d6 5. d4 0-0 6. Bf4 Nh5 7. Bg3 Nxg3 8. hxg3 e5 9. d5 Nd7 10. g4 a5 11. g5 Nc5 12. g3 Bg4 13. Be2 Bxf3 14. Bxf3 Qxg5 15. Qd2 Qxd2+ 16. Kxd2 f5 17. exf5 gxf5 18. Be2 e4 19. f4 Rf6 20. Rh5 h6 21. Rg1 Raf8 22. Ke3 Rg6 23. g4 Bxc3 24. bxc3 Na4 25. Kd4 fxg4 26. Rxg4 Rxg4 27. Bxg4 Rxf4 28. Be6+ Kg7 29. Rf5 Rxf5 30. Bxf5 Nc5 31. Ke3 Kf6 32. Bh3 Ke5 33. Bg4 Na4 34. Kd2 Kf4 35. Bd1 Nc5 36. Bh5 e3+ 37. Ke2 Ne4 38. Kd3 Ng3 39. Kd4 e2 40. Bxe2 Nxe2+ 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2017.09.21"]
[Round "3"]
[White "Pill, Bernhard"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2026"]
[BlackElo "1640"]
[PlyCount "85"]
[EventDate "2017.09.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Bg7 6. d4 0-0 7. d5 d6 8. Nc3 e6 9. e4 Nbd7 10. dxe6 fxe6 11. Ng5 Re8 12. Re1 e5 13. Bh3 Nf8 14. b4 a5 15. b5 Bc8 16. Bg2 h6 17. Nf3 Be6 18. Nd5 Bf7 19. Bb2 Ne6 20. Qc2 Nc5 21. Rad1 Nfd7 22. Nh4 Ne6 23. Qe2 Nec5 24. Rf1 Bxd5 25. cxd5 Nf8 26. Bh3 Kh7 27. f3 Bf6 28. Ng2 Nfd7 29. Ne3 Bg7 30. Nc4 Qe7 31. Rde1 Rf8 32. Bc1 Rae8 33. Be3 Rf6 34. Bg4 Ref8 35. h4 h5 36. Bxd7 Qxd7 37. Bxc5 bxc5 38. a4 Qh3 39. Qg2 Qxg2+ 40. Kxg2 Bh6 41. Rb1 Rb8 42. Rb3 Rb6 43. Nxa5 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2017.09.14"]
[Round "2"]
[White "Koch, Ralf Johannes"]
[Black "Van Riesen, Klaus"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1640"]
[BlackElo "1938"]
[PlyCount "80"]
[EventDate "2017.09.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. f4 c5 4. Nf3 Nc6 5. Bb5 Na5 6. 0-0 a6 7. Be2 d6 8. d3 e6 9. Qe1 Nc6 10. Bd1 b5 11. f5 b4 12. Nb1 Ne5 13. Nxe5 Bxe5 14. fxe6 Bxe6 15. Nd2 h6 16. Nf3 Bg7 17. c3 bxc3 18. bxc3 Nf6 19. Ba4+ Bd7 20. e5 dxe5 21. Nxe5 0-0 22. Bb3 Bf5 23. Bc4 Qc8 24. Qh4 h5 25. Nxg6 Bxg6 26. Rxf6 Bxf6 27. Qxf6 Qf5 28. Qd6 Rfd8 29. Qb6 Qg4 30. Bh6 Kh7 31. Bd2 Qe2 32. Bg5 Rdb8 33. Qc6 Qe5 34. h4 Qxc3 35. Rf1 Qg7 36. Bf6 Qf8 37. Bg5 Rc8 38. Qb6 Rcb8 39. Qc6 Rc8 40. Qb6 Rcb8 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2017.09.07"]
[Round "1"]
[White "Koch, Ralf Johannes"]
[Black "Schleu, Guenther"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1640"]
[BlackElo "1074"]
[PlyCount "39"]
[EventDate "2017.09.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 Nf6 4. e5 Ng8 5. Nf3 e6 6. Bb5 Be7 7. 0-0 a6 8. Bxc6 bxc6 9. d3 Bb7 10. Be3 Qc7 11. Na4 d6 12. exd6 Bxd6 13. Ne5 Bxe5 14. fxe5 Qxe5 15. Bxc5 Ne7 16. Qf3 Rf8 17. Rae1 Qc7 18. Rxe6 0-0-0 19. Rxe7 Qxe7 20. Bxe7 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2016.10.13"]
[Round "7"]
[White "Koch, Ralf Johannes"]
[Black "Schoppe, Gottfried"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1685"]
[BlackElo "1443"]
[PlyCount "67"]
[EventDate "2016.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 a6 4. Bg2 Bc5 5. Nge2 Nc6 6. h3 d6 7. d3 Bd7 8. 0-0 h6 9. Kh2 0-0 10. f4 exf4 11. Nxf4 Bd4 12. Nce2 Bb6 13. c3 Re8 14. Ng1 Qc8 15. Nh5 Nh7 16. Nf3 Ne5 17. Nxe5 dxe5 18. Nxg7 Kxg7 19. Qh5 f6 20. Qxh6+ Kg8 21. Qg6+ Kh8 22. Rxf6 Nxf6 23. Qxf6+ Kh7 24. Qf7+ Kh8 25. Qh5+ Kg8 26. Bh6 Kh7 27. Bg5+ Kg7 28. Qh6+ Kg8 29. Qg6+ Kf8 30. Rf1+ Bf5 31. Rxf5+ Qxf5 32. Qxf5+ Kg8 33. Qg6+ Kf8 34. Qf6+ 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2016.10.06"]
[Round "6"]
[White "Frackowiak, Stanislaw"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1427"]
[BlackElo "1685"]
[PlyCount "77"]
[EventDate "2016.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6 5. 0-0 0-0 6. Nbd2 b6 7. Re1 Bb7 8. e4 c5 9. d5 Na6 10. a3 Nc7 11. Rb1 e6 12. c4 e5 13. Nf1 h6 14. Bd2 a5 15. Qc1 Kh7 16. a4 Bc8 17. h3 Bd7 18. b3 Na6 19. Ng3 Nb4 20. Bxb4 axb4 21. Rf1 Ng8 22. Nh2 h5 23. Qd1 Qg5 24. Nf3 Qh6 25. Qd2 Qxd2 26. Nxd2 Bh6 27. Nf3 Ne7 28. Nh2 Bf4 29. Ne2 Bxh2+ 30. Kxh2 f5 31. f4 fxe4 32. Bxe4 Bf5 33. Bxf5 Nxf5 34. fxe5 dxe5 35. Rf3 Nd4 36. Nxd4 exd4 37. Rbf1 Rxf3 38. Rxf3 Re8 39. Kg1 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2016.09.29"]
[Round "5"]
[White "Koch, Ralf Johannes"]
[Black "Kronenthal, Linda"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1685"]
[BlackElo "1259"]
[PlyCount "44"]
[EventDate "2016.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 a6 5. a4 Nf6 6. Bc4 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qd1 g6 10. d3 Bg7 11. Ne2 Nc6 12. 0-0 0-0 13. c3 Rb8 14. Ng3 b5 15. Ba2 b4 16. Bd2 bxc3 17. Bxc3 Nb4 18. Bc4 d5 19. e5 dxc4 20. exf6 Bxf6 21. Bxf6 exf6 22. dxc4 Nd3 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2016.09.22"]
[Round "4"]
[White "Buschhaus, Ralf"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1403"]
[BlackElo "1685"]
[PlyCount "73"]
[EventDate "2016.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. e3 Nf6 4. Bd3 d6 5. h3 0-0 6. 0-0 c5 7. dxc5 dxc5 8. Bd2 Qc7 9. Qe2 a6 10. a4 b6 11. Nc3 Bb7 12. Rad1 Nbd7 13. e4 e6 14. Rfe1 Ne5 15. Bf4 Nxf3+ 16. Qxf3 e5 17. Bc1 c4 18. Bf1 Rac8 19. Qe2 Rfd8 20. Qxc4 Qe7 21. Qe2 Qb4 22. Rxd8+ Rxd8 23. Qc4 Bf8 24. Qc7 Rd7 25. Qc4 Rd4 26. Qxb4 Bxb4 27. Be3 Bxc3 28. Bxd4 Bxd4 29. c3 Bc5 30. b4 Be7 31. f3 Kf8 32. Rd1 Ke8 33. Kf2 Nh5 34. g3 Ng7 35. Bc4 Ne6 36. Bxe6 fxe6 37. Ke3 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2016.09.15"]
[Round "3"]
[White "Koch, Ralf Johannes"]
[Black "Mungard, Jens Uwe"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "1685"]
[BlackElo "1491"]
[PlyCount "102"]
[EventDate "2016.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nge2 0-0 6. 0-0 d6 7. h3 Be6 8. d3 Qd7 9. Kh2 Nc6 10. f4 exf4 11. Nxf4 Nd4 12. Be3 Nb5 13. Nce2 c6 14. a4 Nc7 15. c3 b6 16. Qc2 Rad8 17. a5 c5 18. Rfd1 Qb5 19. c4 Qd7 20. d4 Qc8 21. axb6 axb6 22. d5 Bd7 23. Ra7 Na6 24. Ra1 Nb4 25. Qb1 b5 26. cxb5 Bxb5 27. Nc3 Ba6 28. Bd2 Rd7 29. Rxd7 Nxd7 30. Bf1 Bxf1 31. Qxf1 Ne5 32. Nb5 Qb8 33. Bc3 Nc2 34. Rc1 Ne3 35. Qe2 N3c4 36. Bxe5 Nxe5 37. Nc3 Qb6 38. Rc2 Rb8 39. Ng2 Qb3 40. Ne3 c4 41. Ncd1 Qd3 42. Qxd3 cxd3 43. Rf2 Rb4 44. Nc3 Nc4 45. Ned1 Bd4 46. Rg2 Ne3 47. Nxe3 Bxe3 48. Nd1 Rxe4 49. Nxe3 Rxe3 50. Rf2 Re2 51. Kg2 d2 0-1

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2016.09.08"]
[Round "2"]
[White "Reimann, Norbert"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "1941"]
[BlackElo "1685"]
[PlyCount "55"]
[EventDate "2016.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c6 5. e4 d6 6. d4 0-0 7. Nf3 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. Be3 Qc7 11. 0-0 e5 12. Rad1 Nb6 13. Qe2 Nfd7 14. f4 f5 15. Kh1 Rae8 16. fxe5 dxe5 17. c5 Nc8 18. Qc4+ Kh8 19. d5 f4 20. d6 Qd8 21. gxf4 Qh4 22. fxe5 Qg3 23. e6 Be5 24. Bg1 Nf6 25. d7 Rd8 26. dxc8Q Rxc8 27. e7 Rfe8 28. Qe6 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2016.09.01"]
[Round "1"]
[White "Koch, Ralf Johannes"]
[Black "Falk, Rolf"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1685"]
[BlackElo "1214"]
[PlyCount "75"]
[EventDate "2016.09.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 Be7 5. Bb5 a6 6. Bxc6 bxc6 7. 0-0 d5 8. e5 c4 9. b3 Bc5+ 10. Kh1 Ne7 11. bxc4 Bb4 12. Bb2 Bxc3 13. Bxc3 0-0 14. Nd4 c5 15. Nb3 Qc7 16. d3 d4 17. Ba5 Qc6 18. Qf3 Nd5 19. cxd5 exd5 20. Bd2 Bb7 21. Na5 Qb6 22. Rab1 Qe6 23. Nxb7 Rac8 24. Nd6 Rb8 25. Qg3 Rxb1 26. Rxb1 f6 27. Rb7 g6 28. f5 fxe5 29. Qh4 h5 30. Qe7 Qxe7 31. Rxe7 gxf5 32. Rxe5 f4 33. Rf5 Rb8 34. Kg1 Rb1+ 35. Kf2 Rb2 36. Rxd5 Rxc2 37. Nc4 Rxa2 38. Rxc5 1-0

[Event "Kiel op-B 29th"]
[Site "Kiel"]
[Date "2016.08.06"]
[Round "9"]
[White "Koch, Ralf Johannes"]
[Black "Zielke, Bernd"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1749"]
[BlackElo "1705"]
[PlyCount "95"]
[EventDate "2016.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 b6 5. d3 Bb7 6. g3 d6 7. Bg2 Qc7 8. 0-0 Nf6 9. Ne2 Be7 10. c3 0-0 11. h3 Nd7 12. g4 f5 13. Ng3 fxe4 14. dxe4 Rf7 15. f5 Nd8 16. Ng5 Bxg5 17. Bxg5 Ne5 18. Qe2 h6 19. Bf4 c4 20. Bxe5 dxe5 21. Rad1 Rc8 22. Kh2 Kh7 23. Qd2 Bc6 24. g5 Rd7 25. Qe2 Ba4 26. Rd2 Rxd2 27. Qxd2 Qd7 28. g6+ Kg8 29. Qxd7 Bxd7 30. Rd1 Rc7 31. Bf3 Kf8 32. Bg4 Ke7 33. Nh5 exf5 34. exf5 Kf8 35. f6 gxf6 36. Rxd7 Rxd7 37. Bxd7 Ke7 38. Bb5 Ne6 39. Bxc4 f5 40. g7 Nxg7 41. Nxg7 Kf6 42. Ne8+ Kg5 43. Nd6 Kf4 44. Kg2 e4 45. Kf2 h5 46. Nxf5 Kxf5 47. Ke3 h4 48. Bd5 1-0

[Event "Kiel op-B 29th"]
[Site "Kiel"]
[Date "2016.08.04"]
[Round "8"]
[White "Farokhi, Keyvan"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1575"]
[BlackElo "1749"]
[PlyCount "120"]
[EventDate "2016.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. f3 0-0 6. Qd2 c6 7. 0-0-0 Qa5 8. g4 b5 9. Kb1 b4 10. Nce2 Be6 11. Nc1 Na6 12. h4 h5 13. Bh6 Nc7 14. Bxg7 Kxg7 15. gxh5 Nxh5 16. Nge2 Rab8 17. Nf4 Nxf4 18. Qxf4 Rh8 19. Bh3 Bxh3 20. Rxh3 Ne6 21. Qe3 Qh5 22. d5 cxd5 23. Rxd5 Qh6 24. Qxh6+ Rxh6 25. Ra5 Rb7 26. Nd3 g5 27. h5 f6 28. Ra4 Kf8 29. Nxb4 Nc5 30. Ra5 Rxb4 31. Rxa7 Rb7 32. Ra3 Ne6 33. Re3 Nf4 34. Rh1 Rxh5 35. Rxh5 Nxh5 36. a4 Ke8 37. a5 Nf4 38. Ra3 Ne6 39. c3 Nc7 40. b4 Ra7 41. c4 Rb7 42. b5 Nxb5 43. cxb5 Rxb5+ 44. Kc2 Rb7 45. Kd3 Kd7 46. Kd4 e6 47. Kc4 Kc6 48. Ra4 Ra7 49. Ra3 f5 50. Ra2 fxe4 51. fxe4 g4 52. Rg2 d5+ 53. exd5+ exd5+ 54. Kd3 Rg7 55. a6 Kb6 56. Kd4 Rg5 57. Ra2 Ka7 58. Ke3 g3 59. Rg2 Kxa6 60. Kf4 Rg8 1/2-1/2

[Event "Kiel op-B 29th"]
[Site "Kiel"]
[Date "2016.08.03"]
[Round "7"]
[White "Koch, Ralf Johannes"]
[Black "Hoppe, Marc"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1749"]
[PlyCount "61"]
[EventDate "2016.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. g3 Nf6 4. Bg2 d6 5. h3 0-0 6. Na4 Nbd7 7. Nxc5 Nxc5 8. d3 h6 9. Ne2 Be6 10. f4 c6 11. f5 Bd7 12. Be3 Na4 13. b3 Nb6 14. 0-0 d5 15. g4 Nh7 16. Ng3 Nf6 17. g5 hxg5 18. Bxg5 dxe4 19. Nxe4 Nbd5 20. c4 Qb6+ 21. c5 Qb4 22. Nxf6+ gxf6 23. Bd2 Qd4+ 24. Kh1 Ne3 25. Bxe3 Qxe3 26. Rf3 Qg5 27. Qe1 Kh8 28. Rg3 Qxf5 29. Qe3 Qh5 30. Rf1 Bf5 31. Rxf5 1-0

[Event "Kiel op-B 29th"]
[Site "Kiel"]
[Date "2016.08.02"]
[Round "6"]
[White "Beyer, Mirko"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "B08"]
[BlackElo "1749"]
[PlyCount "103"]
[EventDate "2016.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Bd3 c6 7. Be3 Qc7 8. 0-0 Nbd7 9. Ne2 e5 10. c3 Re8 11. Qc2 b6 12. dxe5 dxe5 13. Ng3 c5 14. c4 Nf8 15. Rfe1 Ne6 16. Rad1 Bb7 17. Ng5 Nd4 18. Bxd4 exd4 19. Re2 Nd7 20. Nf3 Ne5 21. Nxe5 Bxe5 22. Nf1 Qe7 23. g3 g5 24. Qd2 Kh8 25. f3 Rg8 26. g4 Qf6 27. Kg2 Rg6 28. Ng3 Bxg3 29. Kxg3 Qe5+ 30. Kg2 Kg7 31. Rh1 h5 32. Qe1 Rh8 33. Qg3 Qxg3+ 34. Kxg3 hxg4 35. fxg4 Re6 36. Rf1 Rf6 37. Rxf6 Kxf6 38. Rf2+ Ke7 39. a4 Rh6 40. b3 Bc8 41. Rf1 Bd7 42. Rh1 Ke6 43. h4 gxh4+ 44. Rxh4 Rxh4 45. Kxh4 Ke5 46. Kg3 f6 47. Kf3 Bc6 48. Bc2 a6 49. Bd3 Bd7 50. Kg3 Be6 51. Kf3 Bd7 52. Kg3 1/2-1/2

[Event "Kiel op-B 29th"]
[Site "Kiel"]
[Date "2016.08.01"]
[Round "5"]
[White "Koch, Ralf Johannes"]
[Black "Behrendt, Matthias"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1749"]
[BlackElo "1638"]
[PlyCount "73"]
[EventDate "2016.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 a6 5. a4 b6 6. g3 Bb7 7. Bg2 Be7 8. 0-0 Qc7 9. d3 d6 10. f5 Nf6 11. fxe6 fxe6 12. Ng5 Qd7 13. Bh3 Nd8 14. Ne2 h6 15. Nxe6 Nxe6 16. Nf4 Qc6 17. Nxe6 g6 18. Bg2 g5 19. Ng7+ Kf7 20. Nf5 Rae8 21. Nxe7 Kxe7 22. Rxf6 Kxf6 23. e5+ Rxe5 24. Bxc6 Bxc6 25. Bd2 d5 26. Qh5 Be8 27. Rf1+ Ke6 28. Qg4+ Kd6 29. d4 Re4 30. dxc5+ bxc5 31. Rf6+ Kc7 32. Ba5+ Kb8 33. Rb6+ Ka7 34. Qc8 Re1+ 35. Bxe1 Kxb6 36. Qd8+ Kb7 37. Ba5 1-0

[Event "Kiel op-B 29th"]
[Site "Kiel"]
[Date "2016.07.31"]
[Round "4"]
[White "Basey, Matthew"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "B08"]
[BlackElo "1749"]
[PlyCount "81"]
[EventDate "2016.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be3 0-0 6. Qd2 c6 7. Bd3 Qc7 8. Bh6 e5 9. Bxg7 Kxg7 10. h3 Re8 11. dxe5 dxe5 12. a4 Nbd7 13. Qe3 Nf8 14. 0-0 Ne6 15. Rfd1 Nf4 16. Bf1 b6 17. Kh2 Ne6 18. a5 b5 19. Nb1 a6 20. c4 b4 21. Nbd2 c5 22. Ne1 Bb7 23. g3 Nd4 24. Qd3 Rad8 25. Qb1 Rd7 26. Bd3 Red8 27. b3 Nc6 28. Nf1 Nxa5 29. Ne3 Nc6 30. Nd5 Nxd5 31. cxd5 Nb8 32. Ng2 Qd6 33. Ne3 Qf6 34. Kg2 Bc8 35. Qc2 h5 36. Qxc5 Bb7 37. Qxb4 Rd6 38. Qxb7 Rb6 39. Qc7 Rxb3 40. Rab1 Rd7 41. Qc2 1-0

[Event "Kiel op-B 29th"]
[Site "Kiel"]
[Date "2016.07.31"]
[Round "3"]
[White "Koch, Ralf Johannes"]
[Black "Weck, Uwe"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1749"]
[BlackElo "1663"]
[PlyCount "61"]
[EventDate "2016.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 a6 5. a4 Qc7 6. d3 d6 7. g3 Bd7 8. Bg2 Rc8 9. 0-0 Nge7 10. Ne2 g6 11. c3 Bg7 12. g4 h5 13. g5 e5 14. Nh4 Bg4 15. f5 gxf5 16. exf5 f6 17. h3 Bxe2 18. Qxe2 Na5 19. Be3 d5 20. Rac1 Nb3 21. Rc2 d4 22. gxf6 Bxf6 23. Bf2 Qd7 24. Qe4 Rg8 25. Kh1 Nc6 26. Qd5 Qg7 27. Qxb3 Bxh4 28. Bxh4 c4 29. Qxc4 Ne7 30. Qa2 Rc6 31. f6 1-0

[Event "Kiel op-B 29th"]
[Site "Kiel"]
[Date "2016.07.30"]
[Round "1"]
[White "Koch, Ralf Johannes"]
[Black "Dao, Joerg"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "1749"]
[BlackElo "1460"]
[PlyCount "113"]
[EventDate "2016.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 c6 3. g3 Bd6 4. Bg2 Bc7 5. Nge2 d6 6. d3 Be6 7. f4 b5 8. f5 Bc8 9. g4 h6 10. Be3 b4 11. Nb1 Qh4+ 12. Ng3 c5 13. Bf2 Nf6 14. h3 Qg5 15. Nd2 h5 16. Nf3 Qf4 17. Ne2 Qh6 18. g5 Qh7 19. gxf6 gxf6 20. Qd2 Bb7 21. 0-0-0 Nc6 22. Kb1 Ke7 23. c3 a5 24. d4 exd4 25. cxd4 c4 26. Nf4 Nd8 27. Rhe1 Kf8 28. Bh4 Qg7 29. Qe2 d5 30. Nxd5 Bg3 31. Bxf6 Qh6 32. Bg5 Qc6 33. Be7+ Ke8 34. Ne5 Bxe5 35. dxe5 c3 36. Bd6 Ne6 37. Nf6+ Kd8 38. Bxb4+ Kc8 39. Bxc3 Nf4 40. Qf3 Nxg2 41. Qxg2 Rd8 42. Rxd8+ Kxd8 43. Rd1+ Kc7 44. Rd7+ Kb8 45. Bd4 Qc4 46. Qc2 Qf1+ 47. Qc1 Qd3+ 48. Ka1 Bc6 49. Ba7+ Rxa7 50. Rxd3 Rc7 51. Rb3+ Ka8 52. Rc3 Kb7 53. Ne8 Re7 54. Nd6+ Ka8 55. Rxc6 Rxe5 56. Ra6+ Kb8 57. Qc8# 1-0

[Event "Kiel op-B 29th"]
[Site "Kiel"]
[Date "2016.07.30"]
[Round "2"]
[White "Oltmanns, Marc"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "A30"]
[BlackElo "1749"]
[PlyCount "109"]
[EventDate "2016.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 g6 6. b3 Bg7 7. Bb2 0-0 8. d4 cxd4 9. Bxd4 d6 10. Nc3 Nc6 11. Be3 Ng4 12. Qd2 Nxe3 13. Qxe3 Nb4 14. Qd2 Na6 15. Rad1 Nc5 16. Nd4 Bxg2 17. Kxg2 Qc8 18. f3 Qb7 19. e4 Rad8 20. Nde2 f5 21. Qd5+ Qxd5 22. exd5 Be5 23. Nb5 Rd7 24. Nbd4 Bxd4 25. Nxd4 Rf6 26. Rfe1 Kf7 27. f4 Ke8 28. Re3 Rf7 29. Ne6 Rb7 30. Ng5 Rg7 31. Rde1 h6 32. Ne6 Nxe6 33. Rxe6 Kd7 34. Kf3 Rc7 35. h4 h5 36. a4 a6 37. Ke3 b5 38. axb5 axb5 39. Kd4 Rc5 40. Rc1 Kc7 41. b4 Rxc4+ 42. Rxc4+ bxc4 43. Kxc4 Kb6 44. Re3 Rg8 45. Rxe7 Rc8+ 46. Kd4 Rc1 47. Re6 Rd1+ 48. Kc4 Rc1+ 49. Kb3 Rd1 50. Rxd6+ Kc7 51. Rxg6 Rxd5 52. Kc4 Rd1 53. Rg5 Rg1 54. Rxh5 Rxg3 55. Rxf5 1-0

[Event "Lueneburg op-A"]
[Site "Lueneburg"]
[Date "2016.07.08"]
[Round "9"]
[White "Koch, Ralf Johannes"]
[Black "Heldt, Nils Lennart"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1749"]
[BlackElo "1886"]
[PlyCount "140"]
[EventDate "2016.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 b6 5. Bg2 Bb7 6. e5 Nfd7 7. Ngf3 c5 8. 0-0 Nc6 9. Re1 Qc7 10. Qe2 Be7 11. h4 b5 12. Nf1 a5 13. Bf4 b4 14. Ne3 Ba6 15. Nxd5 exd5 16. e6 Qd8 17. exd7+ Qxd7 18. Ne5 Nxe5 19. Bxe5 0-0 20. Qf1 Rfe8 21. Bh3 Qc6 22. Qg2 Bb7 23. Qf3 c4 24. Bg2 Rac8 25. d4 a4 26. c3 b3 27. a3 Bf8 28. Bf4 Qg6 29. Bh3 Ra8 30. Re2 Rxe2 31. Qxe2 Bc6 32. h5 Qf6 33. Qe5 Qxe5 34. Bxe5 Re8 35. Kf1 f6 36. Bf4 g6 37. hxg6 hxg6 38. Rd1 Kf7 39. Bc1 Bd6 40. Re1 Rxe1+ 41. Kxe1 Ke7 42. Ke2 Bd7 43. Bg2 Be6 44. f4 Bg4+ 45. Bf3 Bxf3+ 46. Kxf3 f5 47. Kg2 Kf6 48. Kf2 Kg7 49. Kf3 Kh6 50. g4 fxg4+ 51. Kxg4 Be7 52. f5+ g5 53. f6 Bxf6 54. Kf5 Bd8 55. Ke5 Kh5 56. Kxd5 g4 57. Kxc4 g3 58. Be3 Be7 59. Kb5 Kg4 60. d5 Kf3 61. Bg1 Bxa3 62. Kxa4 Bd6 63. Kxb3 g2 64. c4 Bg3 65. c5 Bf2 66. Bh2 Bxc5 67. Kc4 Bd6 68. Bg1 Ke2 69. b4 Kf1 70. Kb5 Kxg1 0-1

[Event "Lueneburg op-A"]
[Site "Lueneburg"]
[Date "2016.07.07"]
[Round "8"]
[White "Schirmer, Werner"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1946"]
[BlackElo "1749"]
[PlyCount "63"]
[EventDate "2016.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Be3 c6 7. a4 Qc7 8. Bd3 e5 9. 0-0 Nbd7 10. Re1 Re8 11. Qd2 b6 12. Rad1 Bb7 13. Bh6 Rad8 14. Bxg7 Kxg7 15. Qg5 exd4 16. Nxd4 Re5 17. Qd2 Re7 18. f4 a6 19. Qf2 c5 20. Nf3 c4 21. Bf1 Nc5 22. Nd5 Bxd5 23. exd5 Nce4 24. Qd4 b5 25. axb5 axb5 26. Ng5 Rde8 27. b3 Ng3 28. Rxe7 Rxe7 29. bxc4 Nxf1 30. Kxf1 Qxc4+ 31. Qxc4 bxc4 32. Rd4 1/2-1/2

[Event "Lueneburg VMCG op B"]
[Site "Lueneburg"]
[Date "2016.07.06"]
[Round "5"]
[White "Koch, Ralf Johannes"]
[Black "Costa, Leonardo"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1749"]
[BlackElo "1584"]
[PlyCount "65"]
[EventDate "2016.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. Nf3 d6 6. h3 0-0 7. d3 Be6 8. Na4 Bb6 9. Nxb6 axb6 10. a3 d5 11. exd5 Bxd5 12. 0-0 Re8 13. Re1 h6 14. b4 b5 15. Bb2 e4 16. Nh2 e3 17. fxe3 Bxg2 18. Kxg2 Ne5 19. Nf3 Ng6 20. e4 c6 21. Nd4 h5 22. Nf5 Ne5 23. Rf1 Re6 24. Qe2 g5 25. Ne3 Kh7 26. Rf5 Qd6 27. Raf1 Ned7 28. e5 Nxe5 29. Bxe5 Rxe5 30. Rxf6 Qd4 31. Qxh5+ Kg7 32. Qxf7+ Kh8 33. Rh6# 1-0

[Event "Lueneburg VMCG op B"]
[Site "Lueneburg"]
[Date "2016.07.05"]
[Round "4"]
[White "Koch, Ralf Johannes"]
[Black "Baldauf, Karsten"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1749"]
[BlackElo "1642"]
[PlyCount "48"]
[EventDate "2016.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e5 3. Bc4 d6 4. Nge2 g6 5. d3 Bg7 6. 0-0 Ne7 7. f4 Be6 8. f5 Bxc4 9. dxc4 f6 10. Nb5 Nc8 11. Ng3 a6 12. Nc3 Nc6 13. fxg6 hxg6 14. Qg4 N8e7 15. Nd5 Nxd5 16. Qxg6+ Kf8 17. cxd5 Ne7 18. Qg4 Qc8 19. Qf3 Qe8 20. Be3 Qg6 21. Nf5 Nxf5 22. Qxf5 Qxf5 23. Rxf5 Ke7 24. c4 Rh4 1/2-1/2

[Event "Lueneburg VMCG op B"]
[Site "Lueneburg"]
[Date "2016.07.04"]
[Round "3"]
[White "Reuter, Maximilian"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1795"]
[BlackElo "1749"]
[PlyCount "51"]
[EventDate "2016.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nf6 5. Be2 0-0 6. 0-0 c5 7. d3 Nc6 8. Qe1 Nd4 9. Bd1 Bg4 10. Nxd4 cxd4 11. Ne2 e5 12. h3 Bxe2 13. Bxe2 Qc7 14. Bd1 Rac8 15. f5 Nd7 16. Bd2 b6 17. Rc1 Qb7 18. Qh4 f6 19. fxg6 hxg6 20. Bg4 Kf7 21. Bg5 Ke8 22. Qh7 Rf7 23. Be6 Nf8 24. Qg8 Rcc7 25. c3 Rfe7 26. Bxf6 1-0

[Event "Lueneburg VMCG op B"]
[Site "Lueneburg"]
[Date "2016.07.03"]
[Round "2"]
[White "Koch, Ralf Johannes"]
[Black "Redenius, Jan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1749"]
[BlackElo "1607"]
[PlyCount "89"]
[EventDate "2016.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 a6 5. a4 Nge7 6. g3 Nd4 7. Bg2 Nec6 8. Na2 Qb6 9. b3 Be7 10. Ba3 c4 11. Bxe7 cxb3 12. cxb3 Kxe7 13. Nxd4 Qxd4 14. Rb1 d6 15. Qc2 Bd7 16. Qc3 Rac8 17. Ke2 e5 18. f5 Qb6 19. Qd3 Nd4+ 20. Kd1 Rhd8 21. Nc3 Kf8 22. Rf1 Bc6 23. Qe3 Qb4 24. f6 b5 25. Bh3 Rc7 26. Qg5 gxf6 27. Qxf6 Ke8 28. Qh8+ Ke7 29. Rxf7+ Kxf7 30. Qxh7+ Ke8 31. Qxc7 bxa4 32. Bg4 Bd7 33. Bxd7+ Rxd7 34. Qc8+ Rd8 35. Qc4 Rb8 36. Qxb4 Rxb4 37. bxa4 Rxb1+ 38. Nxb1 Ke7 39. Nc3 Kf6 40. h3 Kg5 41. Nd5 Nb3 42. Ke2 Nc5 43. Nc3 Kh5 44. Ke3 Kg5 45. d4 1-0

[Event "Lueneburg op-A"]
[Site "Lueneburg"]
[Date "2016.07.02"]
[Round "3"]
[White "Koch, Ralf Johannes"]
[Black "Ditmas, Hugh"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1749"]
[BlackElo "1950"]
[PlyCount "60"]
[EventDate "2016.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. a4 Nxb5 7. axb5 d6 8. 0-0 e6 9. Qe1 Ne7 10. d3 b6 11. g4 h5 12. g5 Bb7 13. Nh4 0-0 14. f5 Bd4+ 15. Be3 exf5 16. Bxd4 cxd4 17. Ne2 fxe4 18. Nxd4 exd3 19. Ne6 Qd7 20. Nxf8 Qg4+ 21. Qg3 Qd4+ 22. Qf2 Qd5 23. Nf3 Qxb5 24. cxd3 Nf5 25. Rac1 Kxf8 26. Rc7 Qd5 27. h4 Re8 28. Kh2 Ne3 29. Ne5 Nxf1+ 30. Kg1 Qh1# 0-1

[Event "Lueneburg VMCG op B"]
[Site "Lueneburg"]
[Date "2016.07.01"]
[Round "1"]
[White "Herrmann, Sabine"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1573"]
[BlackElo "1749"]
[PlyCount "116"]
[EventDate "2016.07.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Be3 Bg7 5. c3 0-0 6. h3 b6 7. Nd2 Bb7 8. Ngf3 c5 9. d5 e6 10. dxe6 fxe6 11. Bg5 Nbd7 12. Nc4 Qc7 13. Bxf6 Nxf6 14. Ng5 Qe7 15. 0-0 Rad8 16. Ne3 h6 17. Nxe6 Qxe6 18. Bc4 d5 19. exd5 Qd6 20. Ng4 Nxg4 21. Qxg4 Bc8 22. Qd1 Qf4 23. Be2 h5 24. Bf3 Be5 25. Re1 Bd6 26. Re3 Ba6 27. g3 Qf5 28. Qb1 Qxb1+ 29. Rxb1 Bc8 30. Kg2 Rde8 31. Rbe1 Rxe3 32. Rxe3 c4 33. g4 h4 34. Be4 Kg7 35. Rf3 Rxf3 36. Kxf3 Kf6 37. b4 b5 38. Ke3 g5 39. Bg2 Ke5 40. Kd2 Bb7 41. Bf1 Bxd5 42. Ke3 Bc7 43. f3 Bb6+ 44. Ke2 Kf4 45. Ke1 Bxf3 46. a4 a6 47. axb5 axb5 48. Kd2 Bf2 49. Kc2 Ke3 50. Kc1 Be1 51. Kc2 Kf2 52. Bxc4 bxc4 53. b5 Kg3 54. Kb2 Kxh3 55. b6 Kxg4 56. Kc2 h3 57. b7 Bxb7 58. Kd1 h2 0-1

[Event "Lueneburg op-A"]
[Site "Lueneburg"]
[Date "2016.07.01"]
[Round "1"]
[White "Koch, Ralf Johannes"]
[Black "Grabow, Pouelsten Holm"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1749"]
[BlackElo "2092"]
[PlyCount "78"]
[EventDate "2016.07.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 c5 5. Bg2 Nc6 6. Ngf3 Be7 7. 0-0 Qc7 8. Re1 b6 9. e5 Nd7 10. Qe2 Bb7 11. Nf1 0-0-0 12. c3 Kb8 13. d4 cxd4 14. cxd4 Nb4 15. Ne3 Rc8 16. Rd1 Ba6 17. Qd2 Nc6 18. a3 Na5 19. Rb1 Nb3 20. Qe1 Qb7 21. Bf1 Rc7 22. Nd2 Nxd4 23. b4 Bxf1 24. Qxf1 Nxe5 25. Bb2 Ndf3+ 26. Kh1 d4 27. Ng2 Rd8 28. Nxf3 Nxf3 29. Qe2 e5 30. Rbc1 Rxc1 31. Rxc1 Bf6 32. b5 d3 33. Qd1 d2 34. Rc6 e4 35. Bxf6 gxf6 36. Ne3 Qd7 37. Rxf6 Rc8 38. Qb3 Rc1+ 39. Nd1 Qh3 0-1

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.29"]
[Round "7"]
[White "Dunne, Paul"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1913"]
[BlackElo "1751"]
[PlyCount "61"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bc4 c6 7. 0-0 Qc7 8. a4 Nbd7 9. Qe2 Nxe4 10. Qxe4 d5 11. Bxd5 cxd5 12. Nxd5 Qd8 13. Qxe7 Nb6 14. Qxd8 Rxd8 15. Ne7+ Kf8 16. Nxc8 Raxc8 17. c3 Nc4 18. Ne5 Nd6 19. Re1 f5 20. Re2 Ne4 21. Bd2 Ke7 22. Nd3 Kf6 23. Nf2 Nxd2 24. Rxd2 Re8 25. Kf1 Ke6 26. Re2+ Kd5 27. Rae1 Rxe2 28. Rxe2 Kc4 29. Re7 Bh6 30. g3 Rb8 31. Rxh7 1-0

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.29"]
[Round "6"]
[White "Koch, Ralf Johannes"]
[Black "Mi, Gufeng"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1751"]
[BlackElo "1455"]
[PlyCount "55"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. fxe5 dxe5 7. dxe5 Qxe5 8. Nf3 Qh5 9. Ne2 Bg4 10. Ng3 Bxf3 11. gxf3 Qh4 12. Be3 Bd6 13. Bf2 Qf4 14. Nf5 0-0 15. Bg3 Bb4+ 16. c3 Bxc3+ 17. bxc3 Qg5 18. Rg1 Nbd7 19. Kf2 Qh5 20. Bd6 g6 21. h4 Kh8 22. Rg5 gxf5 23. Rxh5 Nxh5 24. Bxf8 fxe4 25. fxe4 Nxf8 26. Qxh5 Ne6 27. Qe5+ Kg8 28. Rg1+ 1-0

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.28"]
[Round "3"]
[White "Bracker, Arne"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2231"]
[BlackElo "1751"]
[PlyCount "75"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c6 6. Bd3 0-0 7. 0-0 Bg4 8. Qe1 Bxf3 9. Rxf3 Na6 10. a3 c5 11. d5 Nc7 12. Bc4 a6 13. a4 Qd7 14. Qe2 Rab8 15. a5 b6 16. axb6 Rxb6 17. Qd3 Rfb8 18. h3 Nb5 19. e5 dxe5 20. fxe5 Nd4 21. exf6 Nxf3+ 22. Qxf3 Rxf6 23. Qg3 Qd6 24. Qxd6 exd6 25. Rxa6 Rf5 26. Nb5 Re8 27. Bd2 Be5 28. Bc3 Bxc3 29. Nxc3 Rf4 30. b3 Re1+ 31. Kh2 Rf2 32. Bd3 f5 33. Kg3 Rd2 34. Rxd6 f4+ 35. Kxf4 Rxg2 36. Ne4 Reg1 37. Rd7 g5+ 38. Kf5 1-0

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.28"]
[Round "4"]
[White "Koch, Ralf Johannes"]
[Black "Becker, Thomas3333"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1751"]
[BlackElo "1944"]
[PlyCount "62"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b4 cxb4 4. a3 d5 5. e5 Nc6 6. axb4 Bxb4 7. c3 Be7 8. d4 Bd7 9. Bd3 f5 10. 0-0 Nh6 11. Na3 Nf7 12. Re1 g6 13. c4 Nb4 14. cxd5 Nxd5 15. Nc2 0-0 16. Bd2 Bc6 17. Qb1 Qd7 18. Ra2 Rfb8 19. Qa1 b5 20. Rb1 Rb7 21. Nb4 Nxb4 22. Bxb4 Bxb4 23. Rxb4 Bxf3 24. gxf3 Nxe5 25. dxe5 Qxd3 26. Rd4 Qxf3 27. Rad2 Rc7 28. R2d3 Qc6 29. Qa2 Re8 30. Rd6 Qc4 31. Qa6 Qg4+ 0-1

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.28"]
[Round "5"]
[White "Von Rosen, Jakob"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1161"]
[BlackElo "1751"]
[PlyCount "85"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Nc3 c5 4. Bg2 Bg7 5. Nf3 Nc6 6. 0-0 0-0 7. d3 d6 8. a3 a5 9. Bd2 Bd7 10. Rb1 Rb8 11. e3 Ne8 12. Ne2 e5 13. Bc3 Nc7 14. d4 e4 15. Nd2 f5 16. d5 Ne5 17. Bxa5 b6 18. Bc3 g5 19. f4 gxf4 20. Nxf4 Qg5 21. Qh5 Qxh5 22. Nxh5 Bh6 23. Nf4 Ne8 24. b4 Nf6 25. h3 Ra8 26. Ra1 Ra7 27. b5 Rfa8 28. Bb2 Kf7 29. Rfe1 Bxf4 30. gxf4 Nd3 31. Reb1 Nxb2 32. Rxb2 Rxa3 33. Rxa3 Rxa3 34. Kf2 Nh5 35. Ke2 Kf6 36. Rc2 Be8 37. Nf1 Ng7 38. Ng3 h5 39. h4 Bg6 40. Kf2 Kf7 41. Ne2 Ne8 42. Ng1 Nf6 43. Bh3 1/2-1/2

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.27"]
[Round "1"]
[White "Hinke, Gerhard"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1751"]
[PlyCount "92"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. 0-0 c6 7. Bg5 Nxe4 8. Bxf7+ Rxf7 9. Nxe4 Bg4 10. c3 Qf8 11. Ned2 e5 12. Qb3 Bxf3 13. Nxf3 e4 14. Nd2 d5 15. Be3 b5 16. a4 bxa4 17. Rxa4 Nd7 18. Rfa1 Nb6 19. Ra6 Qb8 20. Qa2 Rb7 21. b3 Qc7 22. Rc1 Rf8 23. c4 Qd7 24. cxd5 cxd5 25. Ra1 Rc8 26. Qb2 Bf8 27. Rc1 Rxc1+ 28. Qxc1 Rc7 29. Qf1 Qc8 30. Ra1 Nd7 31. f3 Nf6 32. fxe4 Nxe4 33. Nxe4 dxe4 34. Rc1 Rxc1 35. Qxc1 Qxc1+ 36. Bxc1 Kf7 37. Kf2 Ke6 38. Bf4 Kd5 39. Ke3 Bg7 40. Be5 Bxe5 41. dxe5 Kxe5 42. g4 g5 43. h3 a5 44. Ke2 Kd4 45. Kd2 h6 46. Ke2 Kc3 0-1

[Event "Hamburg HSK Christmas op 1st"]
[Site "Hamburg"]
[Date "2015.12.27"]
[Round "2"]
[White "Koch, Ralf Johannes"]
[Black "Welsh, Michael"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1751"]
[BlackElo "2023"]
[PlyCount "47"]
[EventDate "2015.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b4 cxb4 4. a3 Nc6 5. axb4 Bxb4 6. c3 Be7 7. d4 d5 8. e5 Qc7 9. Bd3 f5 10. 0-0 Bd7 11. Na3 a6 12. Nb5 Qb8 13. Nd6+ Bxd6 14. exd6 Nf6 15. Re1 0-0 16. Ne5 Re8 17. Ba3 Nd8 18. Nxd7 Nxd7 19. Bxf5 Nf8 20. d7 Nxd7 21. Bxh7+ Kh8 22. Bg6 Nf6 23. Bxe8 Nxe8 24. Qh5+ 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2015.10.08"]
[Round "7"]
[White "Koch, Ralf Johannes"]
[Black "Schwarzkopf, Joerg"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "1660"]
[BlackElo "1776"]
[PlyCount "119"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. b3 Nc6 10. Nf3 Bg4 11. Be2 d5 12. c5 Nc8 13. 0-0 Bxf3 14. Bxf3 e6 15. Qd2 a6 16. Ne2 N8e7 17. b4 Nf5 18. Bg4 Nxe3 19. fxe3 Bh6 20. Bf3 Qg5 21. Nf4 Ne7 22. Rce1 Nf5 23. Bd1 Rad8 24. Qe2 Rfe8 25. Qg4 e5 26. dxe5 Rxe5 27. Qxg5 Bxg5 28. Bb3 Nxe3 29. Rf3 Ng4 30. Rxe5 Nxe5 31. Rf1 Bxf4 32. Rxf4 Nc6 33. a3 Kg7 34. Kf2 f5 35. a4 d4 36. b5 axb5 37. axb5 Ne5 38. Ke2 Kf6 39. Rf1 g5 40. Kd2 h5 41. Re1 f4 42. c6 bxc6 43. bxc6 Rc8 44. Bd5 g4 45. Rc1 Ke7 46. Rf1 Kd6 47. Be4 Nxc6 48. Bxc6 Rxc6 49. Rxf4 Ke5 50. Rf8 Rf6 51. Rh8 Rf2+ 52. Kd3 Rxg2 53. Rxh5+ Kf4 54. Rh8 Ra2 55. Rf8+ Ke5 56. Re8+ Kf6 57. Rf8+ Kg6 58. Rg8+ Kh5 59. Rh8+ Kg5 60. Rg8+ 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2015.10.01"]
[Round "6"]
[White "Stenzel, Jan"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "1873"]
[BlackElo "1660"]
[PlyCount "91"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 g6 3. d4 Nf6 4. f4 Bg7 5. Nf3 Bg4 6. Be2 c6 7. a4 0-0 8. 0-0 Na6 9. e5 Nd7 10. Be3 Nc7 11. h3 Bxf3 12. Bxf3 Nb6 13. b3 f6 14. exd6 exd6 15. f5 Re8 16. Bf4 d5 17. Qd2 Qd7 18. fxg6 hxg6 19. Ne2 Ne6 20. Bg3 Nc8 21. Rae1 Nd6 22. Nf4 Nxf4 23. Qxf4 Nf7 24. c4 dxc4 25. bxc4 f5 26. Rd1 Bh6 27. Qc7 Qxc7 28. Bxc7 Ng5 29. d5 Nxf3+ 30. Rxf3 Be3+ 31. Kf1 Bb6 32. d6 Bxc7 33. dxc7 Rac8 34. Rd7 Kf8 35. g4 Re7 36. Rd8+ Re8 37. gxf5 Rexd8 38. cxd8Q+ Rxd8 39. fxg6+ Kg7 40. Rf7+ Kxg6 41. Rxb7 Rd4 42. Rxa7 Rxc4 43. Ra6 Kg5 44. Ke2 Rd4 45. a5 Ra4 46. Rxc6 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2015.09.24"]
[Round "5"]
[White "Koch, Ralf Johannes"]
[Black "Dangelowski, Peter"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1660"]
[BlackElo "1703"]
[PlyCount "51"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Nc6 7. f3 e6 8. Qd2 Be7 9. 0-0-0 Qc7 10. Kb1 Ne5 11. g4 h6 12. h4 Nc4 13. Bxc4 Qxc4 14. g5 hxg5 15. hxg5 Rxh1 16. Rxh1 Nd7 17. f4 b5 18. b3 Qc7 19. g6 Nf8 20. gxf7+ Kxf7 21. f5 Qa5 22. fxe6+ Nxe6 23. Nc6 Qa3 24. Nxe7 Kxe7 25. Nd5+ Kd8 26. Rh8+ 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2015.09.17"]
[Round "4"]
[White "Homm, Marc Michael"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1972"]
[BlackElo "1660"]
[PlyCount "53"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. 0-0 Nf6 6. d3 Nc6 7. Qe1 0-0 8. c3 Re8 9. e4 e5 10. Nxe5 Nxe5 11. fxe5 Rxe5 12. Bf4 Re8 13. Bg5 h6 14. Bxf6 Bxf6 15. Qf2 Kg7 16. Qxc5 dxe4 17. dxe4 Be6 18. Na3 b6 19. Qf2 Be7 20. Nc2 Bc5 21. Nd4 Bc4 22. Rfd1 Qe7 23. b4 Bd6 24. e5 Qxe5 25. Bxa8 Rxa8 26. Nc6 Qxc3 27. Rac1 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2015.09.10"]
[Round "3"]
[White "Koch, Ralf Johannes"]
[Black "Retzlaff, Wolfgang"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1660"]
[BlackElo "1771"]
[PlyCount "55"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Nf6 6. Nc3 e6 7. f3 a6 8. Qd2 Be7 9. 0-0-0 Bd7 10. g4 Nxd4 11. Bxd4 e5 12. Be3 Be6 13. g5 Nh5 14. Nd5 Bxd5 15. exd5 Rc8 16. Bh3 Rc7 17. Bg4 g6 18. Bxh5 gxh5 19. h4 Qd7 20. f4 f5 21. fxe5 dxe5 22. d6 Rc6 23. dxe7 Qxe7 24. Qd5 Qc7 25. Rd2 Ke7 26. Rhd1 Rc8 27. Qd7+ Kf8 28. Qxf5+ 1-0

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2015.09.03"]
[Round "2"]
[White "Atri, Jamshid"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2015"]
[BlackElo "1660"]
[PlyCount "49"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e5 Nfd7 6. e6 fxe6 7. h4 Nf6 8. Be2 Nbd7 9. Nf3 h6 10. Bf4 Nb6 11. Bd3 0-0 12. Qd2 Ng4 13. Bxg6 Nd5 14. Bg3 Nxc3 15. bxc3 c5 16. 0-0 Qa5 17. Qd3 Bd7 18. Rfe1 cxd4 19. cxd4 Rac8 20. Qb3 b6 21. Rxe6 Rc3 22. Re5+ Rxb3 23. Rxa5 Rbxf3 24. gxf3 bxa5 25. fxg4 1/2-1/2

[Event "Pinneberg-ch"]
[Site "Pinneberg"]
[Date "2015.08.28"]
[Round "1"]
[White "Koch, Ralf Johannes"]
[Black "Ridder Moeller, Carmen"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1660"]
[BlackElo "1134"]
[PlyCount "77"]
[EventDate "2015.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. c4 Nc6 2. g3 e6 3. Bg2 d5 4. cxd5 exd5 5. e3 Nf6 6. Ne2 Bc5 7. 0-0 0-0 8. a3 a5 9. Nbc3 Rb8 10. d4 Be7 11. Nf4 Be6 12. Qe2 Bg4 13. f3 Be6 14. Bd2 Na7 15. Nb5 Nxb5 16. Qxb5 b6 17. Nxe6 fxe6 18. Rfc1 Ne8 19. b4 a4 20. Qxa4 Ra8 21. Qb3 Nd6 22. f4 Kh8 23. Bc3 c6 24. Be1 Rc8 25. Rc2 Qd7 26. Rac1 Rc7 27. Bf1 g5 28. Bc3 Ne4 29. Bb2 gxf4 30. exf4 c5 31. dxc5+ d4 32. Qd3 Nf6 33. cxb6 Rb7 34. Rc7 Rxc7 35. Rxc7 Qd6 36. Qxd4 Qd8 37. Qxd8 Bxd8 38. Rc6 Re8 39. b7 1-0

[Event "Lueneburg op-A"]
[Site "Lueneburg"]
[Date "2015.08.16"]
[Round "2"]
[White "Koch, Ralf Johannes"]
[Black "Mieck, Jale"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1762"]
[BlackElo "1929"]
[PlyCount "70"]
[EventDate "2015.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. a4 e6 4. f4 Nc6 5. Nf3 d5 6. e5 Nh6 7. Ne2 Be7 8. c3 d4 9. d3 Nf5 10. g3 Rb8 11. Bg2 f6 12. 0-0 h5 13. Qc2 Qb6 14. Bd2 Bd7 15. Rfb1 Rc8 16. Qd1 Kf7 17. Kh1 Rhd8 18. Qf1 Be8 19. Neg1 Kg8 20. Nh3 Bg6 21. Nf2 c4 22. Re1 Ne3 23. Bxe3 dxe3 24. exf6 Bxf6 25. Ne4 cxd3 26. Nxf6+ gxf6 27. Nh4 Bf7 28. Be4 e2 29. Rxe2 dxe2 30. Qxe2 f5 31. Bf3 Ne7 32. Bxh5 Bxh5 33. Qxh5 Qc6+ 34. Kg1 Rd2 35. Qg5+ Kf8 0-1

[Event "Lueneburg op-A"]
[Site "Lueneburg"]
[Date "2015.08.15"]
[Round "1"]
[White "Jantzen, Hans Joerg"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2128"]
[BlackElo "1762"]
[PlyCount "85"]
[EventDate "2015.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 c5 4. a3 Bg7 5. Bb2 Qb6 6. Qb3 0-0 7. e3 d6 8. Be2 Nc6 9. 0-0 e5 10. Nc3 Qd8 11. b5 Ne7 12. Rad1 b6 13. d4 Qc7 14. dxe5 dxe5 15. Nxe5 Bb7 16. Bf3 Bxf3 17. Nxf3 Rfd8 18. h3 Rxd1 19. Rxd1 Rd8 20. a4 Rd7 21. Kf1 Nf5 22. Rxd7 Qxd7 23. Qd1 Qxd1+ 24. Nxd1 Ne4 25. Bxg7 Kxg7 26. Ke2 f6 27. Kd3 Nfd6 28. Ng1 Kf7 29. Ne2 Ng5 30. Nf4 Ke7 31. Nd5+ Ke6 32. N1c3 Ngf7 33. f4 h5 34. g3 f5 35. Nc7+ Kd7 36. Na6 Nd8 37. a5 Nc8 38. axb6 axb6 39. e4 Nb7 40. e5 Na5 41. Nd5 Kd8 42. Nac7 Ne7 43. Na8 1-0

[Event "Lueneburg op"]
[Site "Lueneburg"]
[Date "2014.08.11"]
[Round "3"]
[White "Koch, Ralf Johannes"]
[Black "Bohnstorff, Michael"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1750"]
[BlackElo "2044"]
[PlyCount "73"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Bf4 Qb6 4. Qc1 Bf5 5. Nbd2 e6 6. e3 Nf6 7. Be2 c5 8. c3 Nc6 9. h3 Rc8 10. a4 Be7 11. Ne5 0-0 12. g4 Bg6 13. h4 cxd4 14. Nxc6 Rxc6 15. h5 Be4 16. f3 dxc3 17. bxc3 Bb4 18. fxe4 Bxc3 19. 0-0 e5 20. Rb1 Qa5 21. Nb3 Qxa4 22. exd5 Nxd5 23. Bg5 h6 24. Bh4 Bd4 25. exd4 Rxc1 26. Rfxc1 exd4 27. Nc5 Qa3 28. Bd1 Nc3 29. Nb3 Nxb1 30. Rxb1 Rc8 31. Bf2 d3 32. Bd4 b6 33. Be3 Qd6 34. Bf2 Qf4 35. Nd4 Rc1 36. Ra1 Rc2 37. Nxc2 0-1

[Event "Lueneburg op"]
[Site "Lueneburg"]
[Date "2014.08.09"]
[Round "1"]
[White "Koch, Ralf Johannes"]
[Black "Moshtael, Wesal"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1750"]
[BlackElo "2200"]
[PlyCount "176"]
[EventDate "2014.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 g6 4. Nbd2 Bg7 5. e3 0-0 6. h3 c5 7. c3 Nbd7 8. Be2 b6 9. 0-0 Bb7 10. a4 Ne4 11. Nxe4 dxe4 12. Nd2 e5 13. dxe5 Nxe5 14. Bxe5 Bxe5 15. Qc2 Qe7 16. Rfd1 Bc7 17. Nf1 f5 18. Bc4+ Kh8 19. Rd2 Rad8 20. Rad1 g5 21. Rxd8 Rxd8 22. Rxd8+ Qxd8 23. Qd2 Kg7 24. Qxd8 Bxd8 25. Ng3 Kf6 26. Ne2 h5 27. g3 Bc7 28. Kf1 Bc8 29. Kg2 Bd7 30. b3 Be5 31. Bd5 Ke7 32. c4 Bf6 33. Kh2 Be8 34. Kg2 Kd6 35. Kf1 Be5 36. Ke1 Bf6 37. Kf1 a6 38. g4 Bg6 39. gxf5 Bxf5 40. Kg2 h4 41. Bb7 a5 42. Ng1 Be5 43. Ne2 Bg7 44. Ng1 g4 45. hxg4 Bxg4 46. f3 exf3+ 47. Bxf3 Bf5 48. e4 Bd7 49. Ne2 Be5 50. Kf2 Bd4+ 51. Ke1 Ke5 52. Kd2 h3 53. Kd3 h2 54. Kd2 Bh3 55. Ke1 Be3 56. Bh1 Bg5 57. Kf2 Bh4+ 58. Ke3 Bg4 59. Kd3 Be1 60. Ke3 Bh5 61. Kd3 Bg6 62. Ke3 Bh4 63. Kd3 Bg5 64. Bg2 Bh5 65. Nc3 Kf4 66. Ne2+ Kg4 67. Bh1 Kh3 68. e5 Bg6+ 69. Kc3 Kg4 70. e6 Kf5 71. Bd5 Ke5 72. Ng3 Bf4 73. Nh1 Kf6 74. Nf2 Bf5 75. Ne4+ Ke7 76. Nf2 Bxe6 77. Bh1 Bf5 78. Ne4 Ke6 79. Kd3 Ke5 80. Bg2 Bh3 81. Bh1 Bf1+ 82. Kc2 Kd4 83. Nf2 Be3 84. Ng4 Bd3+ 85. Kb2 Bg1 86. Nf6 Ke5 87. Ng4+ Kf4 88. Nf6 Bd4+ 0-1

[Event "Kiel op-B 27th"]
[Site "Kiel"]
[Date "2014.08.07"]
[Round "8"]
[White "Gutschenreiter, Donato"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1392"]
[BlackElo "1750"]
[PlyCount "104"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. f3 Nb6 7. 0-0-0 Qc7 8. Bd3 Be6 9. Nge2 Nc4 10. Bxc4 Bxc4 11. g4 Bg7 12. h4 h5 13. g5 Nd7 14. f4 0-0 15. f5 Bxe2 16. Qxe2 b5 17. Rhf1 b4 18. Na4 Qa5 19. b3 Nb6 20. f6 exf6 21. gxf6 Bh8 22. Rg1 Bxf6 23. Bg5 Bg7 24. Be7 Rfe8 25. Bxd6 Nxa4 26. bxa4 Qxa4 27. Kb1 Rad8 28. Bc5 Qa5 29. Rge1 Qc7 30. Qf3 Qd7 31. Re2 a5 32. Red2 Qe6 33. Re2 Qg4 34. Qxg4 hxg4 35. e5 Rxe5 36. Rxe5 Bxe5 37. Bb6 Rd5 38. Kb2 Bh2 39. Kb3 g3 40. Rd2 Rf5 41. Bc7 Rf3+ 42. Kb2 f5 43. d5 cxd5 44. Rxd5 Re3 45. Rxa5 Re4 46. Ra6 Kf7 47. Bxg3 Bxg3 48. Ra7+ Re7 49. Ra4 Bd6 50. c3 Rb7 51. Kb3 f4 52. Kc2 Rc7 0-1

[Event "Kiel op-B 27th"]
[Site "Kiel"]
[Date "2014.08.06"]
[Round "7"]
[White "Bornhorst, Lars"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1652"]
[BlackElo "1750"]
[PlyCount "47"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Na6 7. h3 e5 8. Be3 Qe7 9. d5 Nd7 10. g4 Ndc5 11. g5 f5 12. gxf6 Qxf6 13. Qd2 Nb4 14. Nb5 Nba6 15. 0-0-0 Nxe4 16. Qe1 Bd7 17. Nc3 Nxc3 18. Qxc3 Nc5 19. Nd2 Bf5 20. b4 Ne4 21. Nxe4 Bxe4 22. Rhg1 c6 23. Bd3 cxd5 24. Bg5 0-1

[Event "Kiel op-B 27th"]
[Site "Kiel"]
[Date "2014.08.05"]
[Round "6"]
[White "Koch, Ralf Johannes"]
[Black "Schumacher, Horst"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1750"]
[BlackElo "1809"]
[PlyCount "36"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Bf5 3. Bf4 e6 4. e3 Bd6 5. Bg3 h6 6. Bd3 Bxd3 7. Qxd3 Bxg3 8. hxg3 Nd7 9. Nbd2 Ngf6 10. 0-0-0 c6 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Qa5 14. Kb1 Rf8 15. Ne5 0-0-0 16. Nxd7 Kxd7 17. Rd3 Kc8 18. Rhd1 Qd5 1/2-1/2

[Event "Kiel op-B 27th"]
[Site "Kiel"]
[Date "2014.08.04"]
[Round "5"]
[White "Koch, Ralf Johannes"]
[Black "Schmidt, Niko"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1750"]
[BlackElo "1811"]
[PlyCount "117"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 Nc6 4. e3 Bf5 5. c3 a6 6. Nbd2 e6 7. Be2 Bd6 8. Ne5 0-0 9. g4 Bg6 10. h4 h6 11. Nxg6 fxg6 12. Bxd6 cxd6 13. Qc2 e5 14. g5 Ne4 15. Nxe4 dxe4 16. gxh6 gxh6 17. Qxe4 Qf6 18. 0-0-0 Qf5 19. Qg2 Rae8 20. Rhg1 Kg7 21. dxe5 dxe5 22. f3 Rf6 23. Bd3 Qe6 24. Kb1 b5 25. Be4 Na5 26. Qg4 Qxg4 27. Rxg4 Re7 28. Rdg1 Ree6 29. b3 Nc6 30. Kc2 Ne7 31. R4g2 Nf5 32. Bxf5 Rxf5 33. Rg3 Ref6 34. Rf1 Kf7 35. Kd2 e4 36. f4 g5 37. Rg4 h5 38. Rxg5 Rxg5 39. hxg5 Rd6+ 40. Ke2 Kg6 41. Rd1 Rc6 42. Rc1 h4 43. Kf2 Kh5 44. c4 Kg4 45. Rg1+ Kh3 46. g6 Rd6 47. Ke2 Kh2 48. Rg5 Rd8 49. g7 Rg8 50. c5 a5 51. f5 a4 52. f6 axb3 53. axb3 b4 54. f7 Ra8 55. g8Q Ra2+ 56. Kd1 Ra1+ 57. Kc2 h3 58. f8Q Kh1 59. Rg1+ 1-0

[Event "Kiel op-B 27th"]
[Site "Kiel"]
[Date "2014.08.03"]
[Round "4"]
[White "Slesicki, Andreas"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "A39"]
[WhiteElo "1623"]
[BlackElo "1750"]
[PlyCount "72"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 5. Nf3 0-0 6. 0-0 Nc6 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qh4 Qa5 11. Bd2 Qb6 12. b3 Bd7 13. Bh6 Bc6 14. Bxg7 Kxg7 15. e4 Qc7 16. Nd5 Nxd5 17. exd5 Be8 18. Rfe1 f6 19. Re2 Bf7 20. Rae1 Rfe8 21. Qd4 b6 22. Re4 a5 23. Qe3 Ra7 24. Bh3 Qc5 25. Qc3 Bxd5 26. R4e3 Bf7 27. Be6 Rc7 28. Re4 d5 29. Rh4 Bxe6 30. Rxe6 Rc6 31. Rxc6 Qxc6 32. Qd2 g5 33. cxd5 Qd6 34. Rc4 Rd8 35. Rc6 Qxc6 36. Qxg5+ fxg5 0-1

[Event "Kiel op-B 27th"]
[Site "Kiel"]
[Date "2014.08.03"]
[Round "3"]
[White "Zielke, Bernd"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1699"]
[BlackElo "1750"]
[PlyCount "106"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. h3 Nbd7 5. Be3 c6 6. Nf3 Qc7 7. Be2 Bg7 8. 0-0 0-0 9. Qd2 e5 10. dxe5 dxe5 11. Bh6 Nc5 12. Bxg7 Kxg7 13. Qe3 Ne6 14. Rfd1 Nf4 15. Rd2 Be6 16. Rad1 Nxe2+ 17. Qxe2 h6 18. a3 b5 19. Qe3 a5 20. Qc5 Rfb8 21. b4 axb4 22. axb4 Ra3 23. Nxe5 Bc4 24. Nxc4 Rxc3 25. Qd6 Qa7 26. Ne3 Re8 27. Qd4 Qxd4 28. Rxd4 Nxe4 29. R1d3 Rxd3 30. Rxd3 c5 31. bxc5 Nxc5 32. Rd5 Rc8 33. f3 b4 34. Rd4 Rb8 35. Rc4 b3 36. cxb3 Nxb3 37. Rc3 Nd4 38. Rd3 Ne2+ 39. Kf2 Nf4 40. Rd2 Ne6 41. g3 Rd8 42. Rd5 Rxd5 43. Nxd5 f5 44. Ke3 g5 45. f4 Kg6 46. Kf3 Nd4+ 47. Kf2 Ne6 48. Ke3 Kf7 49. g4 gxf4+ 50. Nxf4 fxg4 51. hxg4 Ng5 52. Kd4 Nf3+ 53. Ke4 Nh2 1/2-1/2

[Event "Kiel op-B 27th"]
[Site "Kiel"]
[Date "2014.08.02"]
[Round "1"]
[White "Brockmann, Werner"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1415"]
[BlackElo "1750"]
[PlyCount "71"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d3 g6 3. g3 Bg7 4. Bg2 d6 5. Nbd2 0-0 6. e4 e5 7. 0-0 Nc6 8. Re1 Bg4 9. h3 Bd7 10. Nf1 Qc8 11. Kh2 Ne8 12. Be3 f5 13. Qd2 fxe4 14. dxe4 Nf6 15. Bh6 Nh5 16. Bxg7 Kxg7 17. Rad1 Rf6 18. c3 Qf8 19. Re3 Qf7 20. b4 Rf8 21. Qd3 Qxa2 22. N1d2 Qg8 23. Kg1 a6 24. Re2 Kh8 25. Nc4 Be6 26. Ne3 Rxf3 27. Bxf3 Rxf3 28. Kg2 Rf8 29. Rf1 Qf7 30. Rb1 Qf3+ 31. Kh2 Bxh3 32. Rg1 Bg4 33. Ree1 Qxf2+ 34. Ng2 Rf3 35. Qxf3 Bxf3 36. Ref1 0-1

[Event "Kiel op-B 27th"]
[Site "Kiel"]
[Date "2014.08.02"]
[Round "2"]
[White "Koch, Ralf Johannes"]
[Black "Bockelmann, Fred"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1750"]
[BlackElo "1704"]
[PlyCount "85"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Bg3 Nbd7 6. Nbd2 Qe7 7. Bd3 e5 8. dxe5 Nxe5 9. Nxe5 Bxe5 10. c3 Bxg3 11. hxg3 h5 12. Qa4+ Bd7 13. Qf4 Bc6 14. Bf5 Rh6 15. 0-0-0 Bd7 16. Bxd7+ Qxd7 17. e4 0-0-0 18. e5 Ng4 19. Qd4 Kb8 20. Nb3 Qf5 21. f4 Ra6 22. a3 g6 23. Nc5 Rc6 24. Rd2 b6 25. Na6+ Ka8 26. b3 Qc8 27. Nb4 Re6 28. Nxd5 Kb8 29. Qc4 c6 30. Nb4 Rxd2 31. Kxd2 Qd7+ 32. Qd3 Qxd3+ 33. Nxd3 f6 34. Re1 Kc7 35. exf6 Rxe1 36. f7 Rg1 37. Ne1 Nf6 38. f8Q Ne4+ 39. Ke2 Nxg3+ 40. Kf2 Rh1 41. Qe7+ Kb8 42. Kxg3 h4+ 43. Kg4 1-0

[Event "Hamburg St Pauli op-B"]
[Site "Hamburg"]
[Date "2014.07.26"]
[Round "8"]
[White "Koch, Ralf Johannes"]
[Black "Eschweiler, Markus"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1764"]
[BlackElo "1664"]
[PlyCount "97"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. h3 b6 5. e3 Bb7 6. Nbd2 d6 7. Be2 Nbd7 8. 0-0 0-0 9. Bh2 Ne4 10. Rc1 f5 11. c4 c5 12. Nxe4 fxe4 13. Ng5 Qc8 14. Ne6 Rf6 15. Nxg7 Kxg7 16. d5 Qg8 17. Qc2 e6 18. Bg4 Nf8 19. dxe6 h5 20. e7 hxg4 21. exf8Q+ Qxf8 22. hxg4 Qc8 23. g5 Re6 24. Qc3+ Kf7 25. Rcd1 Qh8 26. Qxh8 Rxh8 27. Bxd6 Rh5 28. Bf4 Ke8 29. Rd2 Bc6 30. Rfd1 Re7 31. Rd6 Reh7 32. Kf1 Rh1+ 33. Ke2 Rxd1 34. Kxd1 Rd7 35. Ke2 Rxd6 36. Bxd6 Kd7 37. Be5 a6 38. f4 Ke6 39. g4 Be8 40. Bc7 b5 41. Bb6 Kd6 42. cxb5 axb5 43. a3 Kd5 44. Kf2 b4 45. axb4 cxb4 46. Kg3 b3 47. Bd4 Ke6 48. Bc3 Bf7 49. Kh4 1/2-1/2

[Event "Hamburg St Pauli op-B"]
[Site "Hamburg"]
[Date "2014.07.25"]
[Round "7"]
[White "Neuendorf, Max"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1848"]
[BlackElo "1764"]
[PlyCount "45"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. Re1 b5 8. e5 dxe5 9. dxe5 Ng4 10. Bf4 Qb6 11. Qd4 Qxd4 12. Nxd4 a6 13. Bf3 Bd7 14. h3 Nh6 15. Ne4 Nf5 16. Nb3 Nh4 17. Be2 Be6 18. Bg5 Nf5 19. g4 h6 20. gxf5 Bxf5 21. Bxe7 Re8 22. Nf6+ Bxf6 23. exf6 1-0

[Event "Hamburg St Pauli op-B"]
[Site "Hamburg"]
[Date "2014.07.24"]
[Round "6"]
[White "Koch, Ralf Johannes"]
[Black "Krueger, Marian"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1764"]
[BlackElo "1566"]
[PlyCount "129"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 d6 4. Nbd2 Bg7 5. h3 0-0 6. e3 c5 7. c3 Nc6 8. Bh2 cxd4 9. cxd4 Qb6 10. Nc4 Qb4+ 11. Nfd2 b5 12. a3 Qa4 13. b3 Qa6 14. Nb2 Qb6 15. Be2 Bb7 16. 0-0 e5 17. dxe5 dxe5 18. a4 a6 19. axb5 axb5 20. Rxa8 Rxa8 21. e4 Rd8 22. Qc1 Nd4 23. Qe1 Nxe2+ 24. Qxe2 Qd4 25. Nf3 Qxe4 26. Qxb5 Qd5 27. Qc4 e4 28. Qxd5 Rxd5 29. Ne5 Rb5 30. Nbc4 Rxb3 31. Nd6 Bd5 32. Rd1 Bf8 33. Nec4 Rd3 34. Re1 Nd7 35. Ne3 f5 36. g4 Be6 37. gxf5 Bxd6 38. fxe6 Bxh2+ 39. Kxh2 Nc5 40. Ng4 Nxe6 41. Nf6+ Kg7 42. Nxe4 Nf4 43. Re3 Rxe3 44. fxe3 Nd5 45. Nf2 Nxe3 46. Kg3 Kf6 47. Kf3 Nf5 48. Ne4+ Ke5 49. Ng5 h6 50. Nf7+ Kf6 51. Nd8 Kg5 52. Nf7+ Kh4 53. Kg2 Ne3+ 54. Kh2 h5 55. Ne5 Kg5 56. Nd3 h4 57. Ne5 Nf1+ 58. Kg2 Nd2 59. Nd3 Kf5 60. Nf2 g5 61. Nd3 Ne4 62. Kh2 g4 63. hxg4+ Kxg4 64. Ne5+ Kh5 65. Nf3 1/2-1/2

[Event "Hamburg St Pauli op-B"]
[Site "Hamburg"]
[Date "2014.07.23"]
[Round "5"]
[White "Cassens, Erhard Otto"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1850"]
[BlackElo "1764"]
[PlyCount "100"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. b3 0-0 5. Nd2 d5 6. Bb2 Nbd7 7. f4 b6 8. Nh3 c5 9. 0-0 cxd4 10. exd4 Nb8 11. Ng5 Nc6 12. c3 Qc7 13. g3 Bg4 14. Qc2 Rac8 15. Rac1 Qd7 16. Qb1 Nd8 17. Ngf3 Bxf3 18. Nxf3 Nc6 19. Rce1 e6 20. Re2 Rfe8 21. h3 Nh5 22. Qe1 h6 23. Kg2 f5 24. c4 Nf6 25. c5 Ne4 26. cxb6 axb6 27. Bb5 Qa7 28. a4 Re7 29. Rc2 Rec7 30. Qe2 Nb4 31. Rxc7 Rxc7 32. Rc1 Rxc1 33. Bxc1 Qc7 34. Ba3 Qc3 35. Qe1 Qc2+ 36. Kg1 Nd3 37. Qf1 Nb2 38. Qe2 Qb1+ 39. Kh2 Nd1 40. Bd7 Kf7 41. g4 Ndf2 42. Ne1 Qxb3 43. Qf3 Qxf3 44. Nxf3 fxg4 45. hxg4 Nxg4+ 46. Kg1 Ne3 47. Ne5+ Bxe5 48. dxe5 g5 49. fxg5 hxg5 50. Bc1 Nc4 0-1

[Event "Hamburg St Pauli op-B"]
[Site "Hamburg"]
[Date "2014.07.20"]
[Round "3"]
[White "Meyer, Winfried"]
[Black "Koch, Ralf Johannes"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1570"]
[BlackElo "1764"]
[PlyCount "62"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bd3 Bg7 5. f3 0-0 6. Be3 c6 7. Qd2 Nbd7 8. Bh6 Bxh6 9. Qxh6 Qb6 10. 0-0-0 Qxd4 11. g4 Ne5 12. Be2 Qb4 13. h4 Nexg4 14. fxg4 Nxg4 15. Bxg4 Bxg4 16. h5 gxh5 17. Rxh5 Bxh5 18. Qxh5 Qc5 19. Nd5 cxd5 20. Nf3 Qe3+ 21. Kb1 Qxe4 22. Rg1+ Kh8 23. a3 Rg8 24. Re1 Qg6 25. Qxd5 Rac8 26. Ka1 e5 27. Rg1 Qe6 28. Rxg8+ Kxg8 29. Qxb7 Rxc2 30. Kb1 Qc4 31. Qb8+ Kg7 0-1

[Event "Kiel op-A 26th"]
[Site "Kiel"]
[Date "2013.07.28"]
[Round "3"]
[White "Neitzel, Mirko"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1960"]
[BlackElo "1783"]
[PlyCount "114"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 g6 3. g3 Bg7 4. Bg2 e5 5. Nf3 Ne7 6. 0-0 0-0 7. d3 Nbc6 8. Rb1 f5 9. Bd2 h6 10. b4 a6 11. a4 f4 12. b5 axb5 13. axb5 Nb8 14. e3 g5 15. Ne1 fxg3 16. fxg3 Rxf1+ 17. Bxf1 g4 18. Bg2 Ra7 19. Qe2 Qf8 20. Nc2 Qf6 21. Rf1 Qg6 22. Be4 Qh5 23. Qf2 Be6 24. b6 cxb6 25. Nb5 Ra2 26. Bb4 d5 27. Nc7 dxe4 28. Nxe6 Qg6 29. Nxg7 Qxg7 30. dxe4 Nbc6 31. Bc3 Kh7 32. Qe2 Kg8 33. Qd3 Qg5 34. Nb4 Ra8 35. Nd5 Rd8 36. Qe2 Rf8 37. Rxf8+ Kxf8 38. Nxb6 Qg6 39. Qd3 h5 40. Nd7+ Kg8 41. Nxe5 Qe6 42. Nxc6 bxc6 43. Qd4 Kf7 44. Bb4 Ke8 45. Qh8+ Kd7 46. Qg7 Qxe4 47. Qxe7+ Qxe7 48. Bxe7 Kxe7 49. Kf2 Kd6 50. Ke2 Ke5 51. Kd3 c5 52. e4 Ke6 53. Kd2 Kf6 54. Kc2 Ke6 55. Kd3 Kf6 56. Ke3 Ke5 57. Kd3 Kf6 1/2-1/2

[Event "Kiel op-A 26th"]
[Site "Kiel"]
[Date "2013.07.27"]
[Round "2"]
[White "Koch, Ralf Johannes"]
[Black "Simon, Christopher"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1783"]
[BlackElo "1960"]
[PlyCount "54"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b3 f5 2. Bb2 Nf6 3. e3 e6 4. Nf3 Be7 5. Be2 d5 6. d3 c6 7. Nbd2 0-0 8. 0-0 Nbd7 9. c4 Qe8 10. Nd4 Nb6 11. N2f3 Bd6 12. Nc2 Nbd7 13. d4 Ne4 14. Ne5 g5 15. f3 Nef6 16. Bd3 Qh5 17. f4 g4 18. g3 Qe8 19. Qe2 Be7 20. Qg2 h5 21. h3 Kg7 22. hxg4 hxg4 23. Kf2 Nxe5 24. dxe5 Ne4+ 25. Bxe4 dxe4 26. Rh1 Bd7 27. Rh2 Qg6 1/2-1/2

[Event "Kiel op-A 26th"]
[Site "Kiel"]
[Date "2013.07.27"]
[Round "1"]
[White "Rabe, Klaus"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2072"]
[BlackElo "1783"]
[PlyCount "98"]
[EventDate "2013.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 e5 7. Be3 Nc6 8. d5 Ne7 9. Nd2 Nd7 10. g4 a5 11. h4 h6 12. g5 h5 13. Qc2 Nc5 14. 0-0-0 Bd7 15. Kb1 Qb8 16. Nb3 b6 17. Nxc5 bxc5 18. Nb5 Nc8 19. a4 Na7 20. Rd2 Qb7 21. Qd1 Rfb8 22. Rg1 Be8 23. f3 Nc8 24. Qc2 Bf8 25. Rd3 Ra6 26. Bd2 Qb6 27. Bc3 Bg7 28. Rdd1 Qb7 29. Qd2 Rba8 30. Bd3 Nb6 31. b3 Bxb5 32. cxb5 R6a7 33. Bc4 Qc8 34. Rdf1 Nd7 35. Re1 Qe8 36. Ka2 Qe7 37. Ref1 Kh7 38. Qg2 Re8 39. Qd2 Rea8 40. Qb2 Qf8 41. Rf2 Qh8 42. Bf1 Re8 43. Bh3 Nb6 44. Rgf1 c4 45. f4 cxb3+ 46. Kxb3 exf4 47. Bxg7 Qxg7 48. Qxg7+ Kxg7 49. Rxf4 Re7 1/2-1/2

[Event "Hamburg St Pauli op-B"]
[Site "Hamburg"]
[Date "2013.07.07"]
[Round "2"]
[White "Klawitter, Bernd"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1613"]
[BlackElo "1783"]
[PlyCount "117"]
[EventDate "2013.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. c3 Bg7 5. h3 0-0 6. Nf3 c5 7. 0-0 cxd4 8. cxd4 Nc6 9. Bd2 Nd7 10. Bc3 e5 11. d5 Ne7 12. Nbd2 Nc5 13. Bc2 a5 14. Rc1 b5 15. b3 b4 16. Ba1 Ba6 17. Nc4 Bxc4 18. bxc4 Rb8 19. Ba4 Nxe4 20. Nd2 Nc5 21. Bb5 Bh6 22. Rc2 f5 23. Nb3 Ne4 24. Qd3 Bg7 25. Bb2 g5 26. a4 Ng6 27. g3 Qb6 28. Kg2 Nc3 29. Bxc3 bxc3 30. Qxc3 Ra8 31. Qd2 f4 32. c5 dxc5 33. d6 fxg3 34. Qd5+ Kh8 35. fxg3 Rxf1 36. Qxa8+ Rf8 37. Qxa5 Qb7+ 38. Kg1 Bf6 39. Rf2 Qb8 40. Qd2 Bg7 41. Rxf8+ Bxf8 42. d7 Be7 43. Qd5 e4 44. Kg2 e3 45. Nxc5 Qf8 46. Ne4 h5 47. Qd4+ Kh7 48. Qxe3 Ne5 49. Qf2 Qg7 50. Nd6 g4 51. Qf5+ Kh6 52. Qe6+ Kh7 53. h4 Qf8 54. Qf5+ Qxf5 55. Nxf5 Bd8 56. Nd6 Bc7 57. Nb7 Nf7 58. a5 Nd8 59. a6 1-0

[Event "Kiel op 25th"]
[Site "Kiel"]
[Date "2012.08.03"]
[Round "9"]
[White "Benzen, Marthe"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1905"]
[BlackElo "1834"]
[PlyCount "111"]
[EventDate "2012.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 c6 6. Qd2 b5 7. f3 Nbd7 8. Bh6 Bxh6 9. Qxh6 b4 10. Nd1 Qb6 11. Qe3 a5 12. Nh3 Ba6 13. Nf4 e5 14. dxe5 Qxe3 15. Nxe3 dxe5 16. Bxa6 exf4 17. Bb7 Ra7 18. Nc4 Nb8 19. Bc8 0-0 20. Bh3 Rd8 21. Ke2 c5 22. Rhd1 Nc6 23. c3 Raa8 24. Rxd8+ Rxd8 25. Rd1 Rxd1 26. Kxd1 Kf8 27. e5 Nd5 28. cxb4 axb4 29. Ke2 Ke7 30. Kd3 f5 31. exf6+ Nxf6 32. a4 b3 33. Nd2 Kd6 34. Nxb3 Kd5 35. Nd2 Nb4+ 36. Kc3 Na2+ 37. Kb3 Nc1+ 38. Kc2 Na2 39. b3 Kd4 40. Nc4 Nd5 41. Kd2 Nab4 42. Be6 Nc7 43. Bg8 h6 44. Nd6 Ke5 45. Nf7+ Kf6 46. Nd8 h5 47. Nb7 Nca6 48. Kc3 g5 49. Bc4 Na2+ 50. Kd2 N2b4 51. Bxa6 Nxa6 52. Kd3 g4 53. Ke4 Kg5 54. Nd6 h4 55. Nf7+ Kf6 56. Ne5 1-0

[Event "Kiel op 25th"]
[Site "Kiel"]
[Date "2012.07.30"]
[Round "5"]
[White "Franzenburg, Maria"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1903"]
[BlackElo "1834"]
[PlyCount "79"]
[EventDate "2012.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 c6 6. d4 d6 7. Nge2 Na6 8. 0-0 Nc7 9. d5 Bd7 10. h3 Rb8 11. f4 cxd5 12. cxd5 Nb5 13. Kh2 Nxc3 14. Nxc3 b5 15. e4 b4 16. Ne2 Bb5 17. Be3 Qd7 18. Re1 Bxe2 19. Qxe2 a5 20. Rac1 Rfc8 21. Bd4 Ng4+ 22. Qxg4 Qxg4 23. hxg4 Bxd4 24. b3 Rc5 25. Rxc5 dxc5 26. Bf1 Rd8 27. Bc4 Kg7 28. g5 Rh8 29. e5 Rd8 30. g4 Kf8 31. Kg2 Kg7 32. f5 Kf8 33. Kf3 Bc3 34. Re2 Bd4 35. Kf4 Bc3 36. f6 exf6 37. gxf6 Rb8 38. g5 Re8 39. e6 h5 40. e7+ 1-0

[Event "Kiel op 25th"]
[Site "Kiel"]
[Date "2012.07.29"]
[Round "4"]
[White "Koch, Ralf Johannes"]
[Black "Schwietering, Ralf"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1834"]
[BlackElo "1914"]
[PlyCount "39"]
[EventDate "2012.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. e4 Nc6 5. Ne2 e5 6. Nbc3 Nge7 7. d3 d6 8. h3 Be6 9. Nd5 h6 10. 0-0 0-0 11. Be3 Kh7 12. Rb1 Nd4 13. Nxd4 cxd4 14. Bd2 Nxd5 15. cxd5 Bd7 16. Bb4 Qb6 17. Qd2 a5 18. Ba3 Bb5 19. Rfc1 Rfc8 20. Bf1 1/2-1/2

[Event "Kiel op 25th"]
[Site "Kiel"]
[Date "2012.07.29"]
[Round "3"]
[White "Menrad, Andreas"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1845"]
[BlackElo "1834"]
[PlyCount "123"]
[EventDate "2012.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. f4 Bg7 5. Nf3 0-0 6. 0-0 Bg4 7. Nc3 c5 8. dxc5 dxc5 9. Be3 Qa5 10. Qe1 Bxf3 11. Rxf3 Nc6 12. Qh4 h5 13. e5 Ng4 14. Bd2 c4 15. Be4 Qc5+ 16. Kh1 Rad8 17. Be1 Nd4 18. Rg3 e6 19. h3 Nh6 20. Bf2 Qb4 21. a3 Qa5 22. Bxg6 Ndf5 23. Bxf5 Nxf5 24. Rxg7+ Nxg7 25. Qg5 f5 26. exf6 Qxg5 27. fxg5 Nf5 28. Bc5 Rf7 29. Ne4 Kh7 30. g4 hxg4 31. hxg4 Kg6 32. gxf5+ exf5 33. Be7 Rh8+ 34. Kg2 fxe4 35. Kg3 Kxg5 36. Rd1 Kf5 37. Rd5+ Ke6 38. Rc5 Rfh7 39. Kf4 Rh4+ 40. Ke3 Rh3+ 41. Kd4 R3h5 42. Rxh5 Rxh5 43. Kxe4 Rh2 44. b3 Rxc2 45. bxc4 Rxc4+ 46. Kd3 b5 47. Kd2 Rf4 48. Kc3 Kd5 49. Kb3 a5 50. Kc3 Rf3+ 51. Kd2 Kc4 52. Ke2 Rf5 53. Ke3 Kd5 54. Kd2 Ke4 55. Ke2 Rf3 56. Kd2 Rf4 57. Ke2 Rf5 58. Kd2 Kf3 59. Kd3 Rf4 60. Bd8 b4 61. axb4 axb4 62. Be7 1/2-1/2

[Event "Kiel op 25th"]
[Site "Kiel"]
[Date "2012.07.28"]
[Round "1"]
[White "Ehmsen, Sander"]
[Black "Koch, Ralf Johannes"]
[Result "1/2-1/2"]
[ECO "E99"]
[WhiteElo "1992"]
[BlackElo "1834"]
[PlyCount "35"]
[EventDate "2012.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. c4 Nf6 4. Nc3 Bg7 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 11. g4 f4 12. h4 Kh8 13. Nd3 Ng8 14. Qe1 Bf6 15. g5 Bxg5 16. hxg5 Qxg5+ 17. Kh1 Qh5+ 18. Kg1 1/2-1/2

[Event "Kiel op 25th"]
[Site "Kiel"]
[Date "2012.07.28"]
[Round "2"]
[White "Koch, Ralf Johannes"]
[Black "Brasoy, Aksel"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "1834"]
[BlackElo "1990"]
[PlyCount "78"]
[EventDate "2012.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. cxd5 exd5 4. Bg2 Nf6 5. Nf3 Be7 6. 0-0 0-0 7. d3 c5 8. e3 Nc6 9. Qe2 Bg4 10. h3 Bh5 11. g4 Bg6 12. a3 h5 13. g5 Nh7 14. h4 f6 15. e4 dxe4 16. dxe4 fxg5 17. Rd1 Nd4 18. Nxd4 cxd4 19. Nc3 gxh4 20. Nd5 Nf6 21. Nxf6+ Bxf6 22. e5 Be7 23. Qc4+ Kh8 24. Rxd4 Qb6 25. Be3 Qxb2 26. Rad1 Bf5 27. Bc1 Qb6 28. Be3 Qg6 29. Kh2 Rac8 30. Qe2 Bg4 31. Qd3 Qxd3 32. R1xd3 b6 33. Ra4 Rc7 34. f4 Bd7 35. Rad4 Bf5 36. Rb3 Rc2 37. Rd2 Rfc8 38. Rb2 Rxb2 39. Rxb2 Rc3 0-1

[Event "Kiel op 22nd"]
[Site "Kiel"]
[Date "2009.08.04"]
[Round "5"]
[White "Hertel, Johannes"]
[Black "Koch, Ralf Johannes"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1976"]
[BlackElo "1877"]
[PlyCount "87"]
[EventDate "2009.08.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nd7 10. Be3 f5 11. Ng5 Nf6 12. f3 f4 13. Bf2 h6 14. Ne6 Bxe6 15. dxe6 a6 16. Qb3 Kh8 17. Rfd1 Ne8 18. c5 Qc8 19. Rac1 Nc6 20. cxd6 Nxd6 21. Nd5 Re8 22. Nb6 cxb6 23. Rxd6 Qb8 24. Rd7 b5 25. Bb6 g5 26. Rcd1 Nd4 27. R1xd4 exd4 28. Rxg7 Kxg7 29. Bxd4+ Kf8 30. Qd5 Re7 31. Bc5 Qe8 32. Qxb7 Rd8 33. Kf1 Rd2 34. Qxa6 Kg7 35. Bxe7 Qxe7 36. Bxb5 Rd6 37. Qc8 Rxe6 38. Bc4 Qd6 39. Qxe6 Qd1+ 40. Kf2 Qd2+ 41. Be2 Qe3+ 42. Ke1 Qc1+ 43. Bd1 Qe3+ 44. Kf1 1-0

