[Event "Bad Pyrmont Pape op 3rd"]
[Site "Bad Pyrmont"]
[Date "2024.07.28"]
[Round "6"]
[White "Kobs, Stephan"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "1890"]
[BlackElo "1996"]
[PlyCount "21"]
[EventDate "2024.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be2 Nf6 7. 0-0 Be7 8. c4 Qd8 9. Nc3 cxd4 10. Qxd4 Qxd4 11. Nxd4 1/2-1/2

[Event "Bad Pyrmont Pape op 3rd"]
[Site "Bad Pyrmont"]
[Date "2024.07.28"]
[Round "7"]
[White "Koch, Yannick"]
[Black "Meise, Jan"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1996"]
[BlackElo "1881"]
[PlyCount "51"]
[EventDate "2024.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. c5 b6 6. cxb6 Qxb6 7. e3 e6 8. Bd3 Bd6 9. 0-0 0-0 10. Qc2 Nbd7 11. Bd2 c5 12. Na4 Qa7 13. dxc5 Nxc5 14. Nxc5 Qxc5 15. Qxc5 Bxc5 16. Rfc1 Nd7 17. b4 Bb6 18. a4 a5 19. Bb5 Nf6 20. Ne5 Ne4 21. Be1 f6 22. Nc6 Nd6 23. bxa5 Ba7 24. Bb4 Ne4 25. Bxf8 Kxf8 26. Nxa7 1-0

[Event "Bad Pyrmont Pape op 3rd"]
[Site "Bad Pyrmont"]
[Date "2024.07.27"]
[Round "5"]
[White "Koch, Yannick"]
[Black "Schubert, Matthias"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1996"]
[BlackElo "1886"]
[PlyCount "11"]
[EventDate "2024.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. d3 1/2-1/2

[Event "Bad Pyrmont Pape op 3rd"]
[Site "Bad Pyrmont"]
[Date "2024.07.27"]
[Round "4"]
[White "Schoenrock, Ruediger"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1875"]
[BlackElo "1996"]
[PlyCount "99"]
[EventDate "2024.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Bb5+ Nbd7 6. Nc3 a6 7. Qa4 g6 8. Nf3 Rb8 9. Bxd7+ Bxd7 10. Qf4 Bf5 11. 0-0 Bg7 12. d4 0-0 13. Re1 Re8 14. Qh4 b5 15. Bf4 b4 16. Na4 Rc8 17. Be5 Nxd5 18. Bxg7 Kxg7 19. Nc5 Qd6 20. g4 Bd7 21. Ng5 h6 22. Nge4 Qc6 23. Qg3 Nf6 24. Nxf6 exf6 25. h3 Qd5 26. Nxd7 Qxd7 27. Qd3 Qd6 28. Rxe8 Rxe8 29. Rd1 Qd5 30. b3 a5 31. Kh2 Rc8 32. Qe2 Rc3 33. Rd2 Kf8 34. Rd1 Kg7 35. Rd2 Rc1 36. f3 Rc3 37. Kg2 h5 38. Qe4 Qxe4 39. fxe4 hxg4 40. hxg4 Re3 41. d5 Rxe4 42. d6 Re8 43. Rd5 Rd8 44. Kf3 Kf8 45. Ke4 Ke8 46. Rxa5 Rxd6 47. Rb5 Rd2 48. Rxb4 Rxa2 49. Rb8+ Kd7 50. Rb7+ 1/2-1/2

[Event "Bad Pyrmont Pape op 3rd"]
[Site "Bad Pyrmont"]
[Date "2024.07.26"]
[Round "3"]
[White "Koch, Yannick"]
[Black "Alsleben, Moritz"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1996"]
[BlackElo "1939"]
[PlyCount "122"]
[EventDate "2024.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Nge2 0-0 9. 0-0 Re8 10. Qc2 Nf8 11. f3 Be6 12. Rae1 Rc8 13. Kh1 a6 14. Bh4 c5 15. dxc5 Rxc5 16. Bf2 Rc8 17. Qd2 Ng6 18. Nd4 Ne5 19. Bb1 Nc4 20. Qe2 Qa5 21. Rc1 Qb4 22. b3 Nd6 23. Qd3 g6 24. Rfd1 Red8 25. Be1 Qb6 26. Na4 Qa7 27. Ba5 Rxc1 28. Rxc1 Rc8 29. Rxc8+ Bxc8 30. Qc3 Bd7 31. Nb6 Qb8 32. Bd3 Qe8 33. a4 Bd8 34. Nc2 Bf5 35. Qd4 Bxd3 36. Qxd3 Nf5 37. g4 Ng7 38. Nxd5 Nxd5 39. Qxd5 Bxa5 40. Qxa5 Ne6 41. Qc3 Qd7 42. Nd4 Nxd4 43. exd4 Qe6 44. Qd3 Qd5 45. Kg2 b5 46. axb5 axb5 47. Qe3 h6 48. Kf2 Qc6 49. Qe4 Qc3 50. Qe8+ Kg7 51. Qe5+ Kg8 52. Qe8+ Kg7 53. Qe3 Qc2+ 54. Kg3 Qd1 55. h3 Kh7 56. Kf4 b4 57. Ke5 Kg7 58. d5 Qc2 59. Kd6 Qc3 60. Qe5+ Kg8 61. Ke7 Qxe5+ 0-1

[Event "Bad Pyrmont Pape op 3rd"]
[Site "Bad Pyrmont"]
[Date "2024.07.25"]
[Round "1"]
[White "Miowitz, Torsten"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1878"]
[BlackElo "1996"]
[PlyCount "63"]
[EventDate "2024.07.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 exd5 6. cxd5 d6 7. e4 0-0 8. Nge2 Re8 9. Ng3 a6 10. Be2 Nbd7 11. 0-0 Ne5 12. Bg5 h6 13. Bd2 Bd7 14. Qc2 b5 15. Rad1 c4 16. f4 Bc5+ 17. Kh1 Neg4 18. e5 dxe5 19. Nce4 Nxe4 20. Nxe4 Bd4 21. f5 Nxh2 22. f6 Nxf1 23. Rxf1 a5 24. Bxh6 gxh6 25. Qd2 Kh7 26. Ng5+ Kg6 27. Nxf7 Rh8 28. Nxd8 Raxd8 29. Qc2+ Kf7 30. Bh5+ Kf8 31. Qg6 Be8 32. Qg7# 1-0

[Event "Oberliga Nord W 2324"]
[Site "Germany"]
[Date "2024.04.28"]
[Round "9.5"]
[White "Horn, Matthias"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2138"]
[BlackElo "1982"]
[PlyCount "193"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Braunschweig Gliesmarode"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 0-0 7. 0-0 Bxd2 8. Nbxd2 d6 9. e4 a5 10. Qc2 e5 11. d5 Nb8 12. Ne1 Na6 13. Nd3 Bd7 14. a3 a4 15. Rae1 Ng4 16. h3 Nh6 17. f4 f6 18. Nf3 Rab8 19. Qc3 Nf7 20. Rf2 b5 21. Nd2 bxc4 22. Nb4 Nxb4 23. axb4 Rb7 24. Nxc4 Rfb8 25. Na5 Rxb4 26. Qxc7 Rc8 27. Qa7 Qd8 28. Nc6 Bxc6 29. dxc6 Rxc6 30. Ree2 Qb8 31. Qe7 Rc7 32. Qe6 Qc8 33. Qa2 Rc1+ 34. Kh2 Qc4 35. Qxc4 Rbxc4 36. Bf3 Kf8 37. Kg2 Ke7 38. Re3 Nd8 39. fxe5 dxe5 40. Ra3 Ne6 41. b3 axb3 42. Rxb3 Nc5 43. Ra3 Ne6 44. Ra7+ Rc7 45. Ra3 Re1 46. Rb2 Rec1 47. Rf2 Nd4 48. Ra4 Kd6 49. Ra6+ R1c6 50. Ra5 Rc2 51. Bg4 Rxf2+ 52. Kxf2 Rc2+ 53. Kf1 Rc7 54. Kf2 g6 55. Ra6+ Nc6 56. h4 Kc5 57. Ra1 Rb7 58. Rc1+ Kd6 59. Ra1 Rb2+ 60. Kf1 Rb4 61. Rd1+ Rd4 62. Re1 Rd2 63. Ra1 Rd4 64. Re1 Kc5 65. Be6 Rd6 66. Bg8 Rd7 67. Be6 Ra7 68. Bd5 Nd4 69. Rc1+ Kd6 70. Rb1 f5 71. Rb6+ Kc5 72. Rb8 fxe4 73. Bxe4 Rf7+ 74. Kg2 Ne2 75. Rd8 Nc3 76. Bc2 e4 77. Re8 Kd4 78. Rd8+ Ke3 79. Bb3 Rf2+ 80. Kh3 h5 81. Bc4 Ne2 82. Bxe2 Kxe2 83. Rd6 e3 84. g4 Rf3+ 85. Kg2 hxg4 86. Rxg6 Rf2+ 87. Kg3 Rf1 88. h5 Rg1+ 89. Kh2 Ra1 90. h6 Ra5 91. Kg3 Rh5 92. Kxg4 Rh1 93. Rd6 Kf2 94. Rf6+ Kg2 95. Re6 Kf2 96. Rf6+ Kg2 97. Re6 1/2-1/2

[Event "Oberliga Nord W 2324"]
[Site "Germany"]
[Date "2024.04.14"]
[Round "8.6"]
[White "Witthaus, Joerg"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2025"]
[BlackElo "1982"]
[PlyCount "34"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Ricklingen"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qe2 Bf5 6. Nxf6+ gxf6 7. d4 Na6 8. c3 e6 9. Nh4 Qd5 10. Nxf5 Qxf5 11. Qd3 Qg6 12. h4 Nc7 13. Qf3 f5 14. h5 Qg4 15. Be2 Rg8 16. g3 Qxf3 17. Bxf3 0-0-0 1/2-1/2

[Event "Oberliga Nord W 2324"]
[Site "Germany"]
[Date "2024.03.17"]
[Round "7.6"]
[White "Hart, Martin"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2063"]
[BlackElo "1982"]
[PlyCount "35"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hellern"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Nf6 6. Bg2 0-0 7. 0-0 Re8 8. b3 a5 9. a4 Nbd7 10. Nh4 Nc5 11. Re1 Bg4 12. Bf3 Bd7 13. Nf1 d4 14. Nf5 Bxf5 15. exf5 e4 16. dxe4 Ncxe4 17. Qd3 Nc5 18. Rxe8+ 1/2-1/2

[Event "Oberliga Nord W 2324"]
[Site "Germany"]
[Date "2024.02.25"]
[Round "6.5"]
[White "Chokhonelidze, Giorgi"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2280"]
[BlackElo "1982"]
[PlyCount "123"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Delmenhorst"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 d5 2. c4 e6 3. b3 d4 4. Bb2 Nc6 5. d3 Bb4+ 6. Nbd2 a5 7. a3 Be7 8. g3 Nf6 9. Bg2 0-0 10. 0-0 e5 11. Qc2 Re8 12. Rfe1 Nd7 13. e3 Nc5 14. exd4 exd4 15. Ne4 Bf5 16. Nxc5 Bxc5 17. Nh4 Bg4 18. h3 Be6 19. Kh2 Qd7 20. Qd2 Rad8 21. Re2 Qd6 22. f4 Bd7 23. Be4 b6 24. Bc1 Ne7 25. f5 Bc6 26. Qg5 f6 27. Qh5 Qd7 28. Raa2 Bxe4 29. Rxe4 Nc6 30. Rae2 Rxe4 31. Rxe4 Ne5 32. Qe2 Qf7 33. Ng2 Qd7 34. Nh4 Qf7 35. Nf3 Nxf3+ 36. Qxf3 Re8 37. Qe2 Rxe4 38. Qxe4 Qd7 39. Bb2 Kf7 40. Kg2 g6 41. g4 Qd6 42. Qd5+ Kg7 43. Qxd6 Bxd6 44. Bc1 Kf7 45. Kf3 Ke7 46. Ke4 c5 47. Kd5 Kd7 48. fxg6 hxg6 49. h4 Bf8 50. Bd2 Bg7 51. h5 g5 52. Be1 Bf8 53. Bg3 Bg7 54. Bd6 Bh6 55. Bg3 Bg7 56. Bf2 Bf8 57. Be1 Bg7 58. Bd2 Bf8 59. Be1 Bg7 60. a4 Bf8 61. Bg3 Bg7 62. Ke4 1-0

[Event "Oberliga Nord W 2324"]
[Site "Germany"]
[Date "2024.02.04"]
[Round "5.5"]
[White "Koch, Yannick"]
[Black "Von Estorff, Jacob"]
[Result "0-1"]
[ECO "E53"]
[WhiteElo "1982"]
[BlackElo "2182"]
[PlyCount "70"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Uelzen Post"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. Nf3 0-0 6. Bd3 c5 7. 0-0 b6 8. Qe2 Bb7 9. Bd2 Nbd7 10. a3 cxd4 11. exd4 dxc4 12. Bxc4 Bd6 13. Bg5 Bxf3 14. Qxf3 Qc7 15. Bd3 Bxh2+ 16. Kh1 Bd6 17. Rac1 Qd8 18. Ba6 h6 19. Bh4 g5 20. Bg3 Bxg3 21. Qxg3 Qb8 22. Qh3 Qf4 23. Ne2 Qf5 24. Qxf5 exf5 25. f4 g4 26. Ng3 Ne4 27. Nxf5 Ndf6 28. Rfe1 Rad8 29. Kg1 Rfe8 30. Bb5 Re6 31. Bc4 Nd5 32. Nxh6+ Rxh6 33. Rxe4 Rc6 34. f5 b5 35. Rxg4+ Kf8 0-1

[Event "Oberliga Nord W 2324"]
[Site "Germany"]
[Date "2024.01.14"]
[Round "4.5"]
[White "Wagner, Jan"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2124"]
[BlackElo "1982"]
[PlyCount "63"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Oldenburg Union"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5 Be7 6. e3 0-0 7. Ne2 d6 8. 0-0 Bg4 9. h3 Be6 10. d4 Bd7 11. Bd2 Re8 12. b4 Qc8 13. Kh2 Nd8 14. Rc1 c6 15. Ndc3 Bf8 16. d5 Qc7 17. g4 g6 18. Ng3 h6 19. f4 Bg7 20. g5 Nh7 21. gxh6 Bxh6 22. f5 Bxf5 23. Nxf5 gxf5 24. Rxf5 f6 25. Qh5 Nf7 26. Be4 Bg7 27. Rf2 Nfg5 28. Bg6 Qd7 29. Ne4 Rf8 30. Rg1 Bh8 31. Bf5 Qe8 32. Qxh7# 1-0

[Event "Oberliga Nord W 2324"]
[Site "Germany"]
[Date "2023.12.03"]
[Round "3.5"]
[White "Koch, Yannick"]
[Black "Genov, Petar"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1982"]
[BlackElo "2404"]
[PlyCount "126"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Kirchweyhe II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. Nf3 Bxc5 7. Bg5 a6 8. e4 Ng4 9. Bh4 Nc6 10. Be2 0-0 11. Bg3 d6 12. a3 Nge5 13. Bxe5 dxe5 14. b4 Nd4 15. Qb2 Nxf3+ 16. Bxf3 Bd4 17. Qb3 b6 18. 0-0 Bb7 19. Rac1 Rac8 20. Ne2 Rfd8 21. Rfd1 g6 22. h4 a5 23. Ng3 axb4 24. axb4 Qe7 25. h5 Qh4 26. Kf1 Kg7 27. Ke2 Ra8 28. Rh1 Qg5 29. Rc2 Bc6 30. Ra2 Rxa2+ 31. Qxa2 Bxf2 32. Nf1 Bd4 33. Qc2 Ra8 34. hxg6 hxg6 35. Qd2 Qxd2+ 36. Nxd2 Bc3 37. b5 Bb7 38. Nb3 Ra2+ 39. Kd3 Bb4 40. Ra1 Rxa1 41. Nxa1 Kf6 42. Nb3 Ke7 43. Nc1 Kd6 44. Nb3 Bc8 45. Bd1 Bd7 46. Be2 Ke7 47. Ke3 f5 48. Kf3 Bc8 49. Ke3 Kf6 50. Kd3 Bd7 51. Ke3 Kg5 52. Bf3 f4+ 53. Kf2 Kh4 54. Be2 Bc8 55. Bd3 Bb7 56. Bc2 g5 57. Bd3 g4 58. Bc2 Bc3 59. Bd3 Bd4+ 60. Nxd4 exd4 61. g3+ Kh3 62. gxf4 Kh2 63. Bf1 Bxe4 0-1

[Event "Oberliga Nord W 2324"]
[Site "Germany"]
[Date "2023.11.19"]
[Round "2.4"]
[White "Koch, Yannick"]
[Black "Lambrechts, Koen"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1982"]
[BlackElo "2303"]
[PlyCount "33"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Nordhorn Blanke"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 e6 2. c4 b6 3. e4 Bb7 4. Nc3 Bb4 5. Qc2 Qh4 6. Bd3 f5 7. Nf3 Bxc3+ 8. bxc3 Qg4 9. exf5 Qxg2 10. Rg1 Qxf3 11. fxe6 Nf6 12. Rxg7 dxe6 13. Ba3 Nc6 14. Rxc7 Rg8 15. Rxb7 Rg1+ 16. Bf1 Ng4 17. Bd6 0-1

[Event "Oberliga Nord W 2324"]
[Site "Germany"]
[Date "2023.10.22"]
[Round "1.5"]
[White "Koch, Yannick"]
[Black "Franke, Reiner"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "1982"]
[BlackElo "2175"]
[PlyCount "79"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Werder Bremen III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 0-0 9. h3 Re8 10. Nf3 b6 11. 0-0 Nbd7 12. Qc2 Bb7 13. Rab1 c5 14. b3 g6 15. Rfd1 Rac8 16. Qb2 Rc7 17. dxc5 bxc5 18. Be2 Rec8 19. b4 cxb4 20. Qxb4 Qxb4 21. Rxb4 Rxc3 22. Rxb7 Ra3 23. Rb2 Rc5 24. Bd3 Kf8 25. Nd4 Ke7 26. Bb1 Rac3 27. Bd3 Ra3 28. Bb1 Rac3 29. Kf1 Rc1 30. Rxc1 Rxc1+ 31. Ke2 Rc7 32. Bd3 Nc5 33. Rb6 Nfd7 34. Rb4 h5 35. f4 Nxd3 36. Kxd3 Nc5+ 37. Ke2 Rb7 38. Nc6+ Kd6 39. Rxb7 Nxb7 40. Ne5 1/2-1/2

[Event "Bad Pyrmont Pape op-A 2nd"]
[Site "Bad Pyrmont"]
[Date "2023.08.13"]
[Round "7"]
[White "Koch, Yannick"]
[Black "Sereda, Yaroslava"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2008"]
[BlackElo "1925"]
[PlyCount "102"]
[EventDate "2023.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 h6 8. Bh4 c6 9. Nge2 Nbd7 10. 0-0 Nh5 11. Bxe7 Qxe7 12. Qd2 Re8 13. Rae1 Nf8 14. Nf4 Nf6 15. e4 dxe4 16. Nxe4 Nxe4 17. Bxe4 Be6 18. Qa5 Qd6 19. Nxe6 Nxe6 20. Qf5 g6 21. Qf6 Qxd4 22. Qxd4 Nxd4 23. Bd3 Rad8 24. Rxe8+ Rxe8 25. Rd1 Rd8 26. f3 Ne6 27. Bc2 Rxd1+ 28. Bxd1 Kg7 29. Kf2 Kf6 30. Ke3 Ke5 31. g3 Nd4 32. f4+ Kd5 33. Bg4 f5 34. Bh3 a5 35. Kd3 Kc5 36. Bg2 Ne6 37. Bf3 Nc7 38. h4 h5 39. Bd1 Nd5 40. Bb3 Nb4+ 41. Ke3 Nd5+ 42. Kd3 b5 43. a3 a4 44. Ba2 b4 45. Bc4 b3 46. Ba6 Nb6 47. Kc3 Nd5+ 48. Kd3 Ne7 49. Bc4 Nd5 50. Ba6 Nb6 51. Kc3 Nd5+ 1/2-1/2

[Event "Bad Pyrmont Pape op-A 2nd"]
[Site "Bad Pyrmont"]
[Date "2023.08.13"]
[Round "6"]
[White "Reins, Henning"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1942"]
[BlackElo "2008"]
[PlyCount "43"]
[EventDate "2023.08.10"]
[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 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Nf6 6. Bg2 0-0 7. 0-0 Re8 8. Re1 Nbd7 9. c3 Nf8 10. d4 dxe4 11. Nxe4 Nxe4 12. Rxe4 Bf5 13. Re1 exd4 14. Rxe8 Qxe8 15. Nxd4 Be4 16. Nf3 Rd8 17. Qf1 Bc5 18. Bg5 Bd3 19. Qd1 f6 20. Qb3+ Qf7 21. Qxf7+ Kxf7 22. Ne5+ 1/2-1/2

[Event "Bad Pyrmont Pape op-A 2nd"]
[Site "Bad Pyrmont"]
[Date "2023.08.12"]
[Round "5"]
[White "Koch, Yannick"]
[Black "Woelk, Marvin"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2008"]
[BlackElo "1700"]
[PlyCount "61"]
[EventDate "2023.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 0-0 8. Qd2 e5 9. d5 c6 10. h4 cxd5 11. exd5 N8d7 12. h5 Nf6 13. hxg6 fxg6 14. 0-0-0 Bd7 15. Kb1 Rc8 16. Nh3 e4 17. Ng5 exf3 18. Bd4 Bf5+ 19. Ka1 fxg2 20. Bxg2 Nc4 21. Qc1 h5 22. Ne6 Bxe6 23. dxe6 Qe8 24. Rhe1 Nb6 25. Qg5 Nh7 26. Qg3 Bxd4 27. Rxd4 Nf6 28. e7 Rf7 29. Qxg6+ Rg7 30. Qxf6 Rxg2 31. Rd8 1-0

[Event "Bad Pyrmont Pape op-A 2nd"]
[Site "Bad Pyrmont"]
[Date "2023.08.12"]
[Round "4"]
[White "Van Beers, Julian"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "E43"]
[WhiteElo "1705"]
[BlackElo "2008"]
[PlyCount "101"]
[EventDate "2023.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Ne4 6. Qc2 Bb7 7. Bd2 Nxd2 8. Qxd2 0-0 9. Bd3 d5 10. cxd5 exd5 11. a3 Be7 12. 0-0 Nd7 13. Rad1 Re8 14. Rfe1 Nf6 15. Ne5 c5 16. Bb5 Rf8 17. Nc6 Bxc6 18. Bxc6 Rc8 19. Bb7 Rb8 20. Ba6 c4 21. e4 dxe4 22. Bxc4 Qc7 23. Bb3 Bd6 24. g3 Qb7 25. Bc2 Rfe8 26. Re3 Re7 27. Rde1 Rbe8 28. Qe2 Nd5 29. Nxd5 Qxd5 30. Ba4 b5 31. Qxb5 Qxd4 32. Rd1 Qf6 33. Qd5 Rd8 34. Rxe4 Rxe4 35. Qxe4 g6 36. b4 h5 37. Bb3 Kg7 38. Qd4 h4 39. Qxf6+ Kxf6 40. gxh4 Ke7 41. Re1+ Kf6 42. Re3 Kg7 43. Kg2 Rh8 44. Rd3 Rd8 45. b5 Be7 46. Rxd8 Bxd8 47. Kh3 Bc7 48. Bd1 Kh6 49. Kg2 Bd8 50. Bb3 f5 51. Kh3 1/2-1/2

[Event "Bad Pyrmont Pape op-A 2nd"]
[Site "Bad Pyrmont"]
[Date "2023.08.11"]
[Round "3"]
[White "Koch, Yannick"]
[Black "Aden, Meino"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2008"]
[BlackElo "1906"]
[PlyCount "103"]
[EventDate "2023.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Be7 6. Qc2 Nbd7 7. b3 b6 8. Bd3 Bb7 9. 0-0 h6 10. Bb2 Rc8 11. Qe2 0-0 12. Rfd1 Qc7 13. Rac1 Qb8 14. e4 dxe4 15. Nxe4 Rfe8 16. Ng3 c5 17. Ne5 cxd4 18. Bxd4 Nc5 19. Bb1 Rcd8 20. Nh5 Qa8 21. Nxf6+ Bxf6 22. f3 Qb8 23. Bb2 Rxd1+ 24. Rxd1 Rd8 25. Re1 Qc7 26. Qc2 Qd6 27. b4 Nd7 28. Qh7+ Kf8 29. Nxd7+ Rxd7 30. Bxf6 gxf6 31. Qxh6+ Ke7 32. Be4 Bxe4 33. fxe4 Qxb4 34. Rf1 Qb2 35. Qf4 Qd4+ 36. Kh1 Qe5 37. Qf3 Rd4 38. Qa3+ Qc5 39. Qxa7+ Rd7 40. Qa4 Rd4 41. Rd1 Rxd1+ 42. Qxd1 Qxc4 43. Qb1 b5 44. h3 Kd6 45. Qd1+ Ke5 46. Qb1 b4 47. Qb2+ Kxe4 48. Qb1+ Ke5 49. Qe1+ Qe4 50. Qg3+ Qf4 51. Qe1+ Qe4 52. Qg3+ 1/2-1/2

[Event "Bad Pyrmont Pape op-A 2nd"]
[Site "Bad Pyrmont"]
[Date "2023.08.11"]
[Round "2"]
[White "Pozo Campos, Francisco"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1747"]
[BlackElo "2008"]
[PlyCount "63"]
[EventDate "2023.08.10"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 a6 7. cxd5 Nxd5 8. Bc4 Be6 9. Bb3 Na5 10. Bxd5 Bxd5 11. Nxd5 Qxd5 12. 0-0 e6 13. Bf4 Be7 14. Qa4+ Nc6 15. Rfd1 0-0 16. Rac1 b5 17. Qc2 Rac8 18. Qb1 Rfd8 19. a3 Na5 20. Bc7 Rxc7 21. Rxc7 Bf6 22. Rc5 Qd6 23. Qc2 Nc4 24. a4 Nxb2 25. Rb1 Bxd4 26. Rc6 Qd5 27. Rxa6 bxa4 28. Nxd4 Qxd4 29. g3 Nd3 30. Rxa4 Qd5 31. Rd1 e5 32. Rxd3 1-0

[Event "Bad Pyrmont Pape op-A 2nd"]
[Site "Bad Pyrmont"]
[Date "2023.08.10"]
[Round "1"]
[White "Koch, Yannick"]
[Black "Henkemeier, Michael"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2008"]
[BlackElo "1830"]
[PlyCount "67"]
[EventDate "2023.08.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. Qb3 Qb6 6. c5 Qc7 7. Bf4 Qc8 8. h3 e6 9. g4 Bg6 10. Ne5 Nbd7 11. Nxg6 hxg6 12. Bg2 Be7 13. Qc2 0-0 14. Bf3 b6 15. cxb6 axb6 16. h4 c5 17. e3 cxd4 18. exd4 b5 19. Qd3 b4 20. Ne2 Qa6 21. Qb1 Bd6 22. h5 gxh5 23. g5 e5 24. gxf6 exf4 25. fxg7 Rfe8 26. Qf5 Nf6 27. Qxf6 Rxe2+ 28. Bxe2 Re8 29. 0-0 Qxe2 30. Qg5 Re6 31. Rae1 Qxe1 32. Rxe1 Rg6 33. Qxg6 fxg6 34. Re6 1-0

[Event "Oberliga Nord W 2223"]
[Site "Germany"]
[Date "2023.05.07"]
[Round "9.4"]
[White "Elgersma, Simon"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2244"]
[BlackElo "2012"]
[PlyCount "85"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Nordhorn Blanke"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Nd7 7. Bc4 Nf6 8. Ne5 e6 9. Qe2 b5 10. Bd3 Qc7 11. b3 Bd6 12. Bb2 Bb7 13. 0-0 0-0 14. f4 a6 15. Rf3 c5 16. Rh3 g6 17. Nf3 Bxf3 18. Qxf3 e5 19. Rf1 c4 20. fxe5 Bxe5 21. Bxe5 Qxe5 22. Qxf6 Qxf6 23. Rxf6 cxd3 24. Rxd3 Kg7 25. Rc6 Rfc8 26. Rdd6 a5 27. Kf2 b4 28. c3 bxc3 29. dxc3 Rxc6 30. Rxc6 Rd8 31. Ke2 Re8+ 32. Kd2 Rd8+ 33. Kc2 Re8 34. Rd6 f5 35. b4 axb4 36. cxb4 g5 37. b5 f4 38. b6 g4 39. a4 f3 40. gxf3 gxf3 41. Rd1 Re2+ 42. Kc3 Re3+ 43. Kb4 1-0

[Event "Oberliga Nord W 2223"]
[Site "Germany"]
[Date "2023.02.26"]
[Round "6.4"]
[White "Koch, Yannick"]
[Black "Bargsten, Justus"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2028"]
[BlackElo "2152"]
[PlyCount "84"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Uelzen Post"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. g4 Be6 8. Bd3 Nd7 9. h3 h5 10. gxh5 Ngf6 11. h6 g6 12. Nge2 Nh5 13. Qb3 Qb6 14. Qxb6 axb6 15. h4 b5 16. Bg5 b4 17. Nb1 c5 18. dxc5 Nxc5 19. Bb5+ Kf8 20. Bxe7+ Kxe7 21. Nd2 Rxh6 22. Nd4 Ng7 23. Ke2 Rah8 24. Rac1 Kd6 25. N2f3 Bg4 26. Kf1 Rd8 27. Ng5 Rf8 28. Be2 Bd7 29. Kg2 f6 30. Ngf3 Ra8 31. Ra1 Nge6 32. Nc2 Na4 33. Nxb4 Nxb2 34. Rhb1 Na4 35. Rc1 g5 36. hxg5 Rg8 37. Rh1 Rhg6 38. Kf1 Nxg5 39. Nxg5 Rxg5 40. Rc1 Nc5 41. Bf3 Rf5 42. Ke2 Bb5+ 0-1

[Event "Oberliga Nord W 2223"]
[Site "Germany"]
[Date "2023.01.15"]
[Round "4.4"]
[White "Koch, Yannick"]
[Black "Happe, Reinhold"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2071"]
[BlackElo "2101"]
[PlyCount "56"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Hellern"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 0-0 8. Bd3 c5 9. 0-0 Rd8 10. cxd5 exd5 11. Ne5 Nc6 12. Nxc6 bxc6 13. Rc1 c4 14. Bb1 Rb8 15. Qh5 Ba5 16. Ne4 Qe7 17. Ng3 Rxb2 18. Rc2 Rb8 19. e4 Qg5 20. Qxg5 hxg5 21. Rd1 Be6 22. Re2 Bc7 23. e5 Rb4 24. Nf5 Rxb1 25. Ne7+ Kf8 26. Ng6+ fxg6 27. Rxb1 Bb6 28. Rd2 c5 0-1

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.08"]
[Round "7"]
[White "Trunz, Michelle"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "D50"]
[WhiteElo "1856"]
[BlackElo "2071"]
[PlyCount "34"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 dxc4 5. e3 c5 6. dxc5 Qa5 7. Bxf6 gxf6 8. Bxc4 Qxc5 9. Qe2 Bd7 10. Nf3 Rg8 11. 0-0 Bc6 12. Bb5 Nd7 13. Rac1 Ne5 14. Ne4 Qe7 15. Nxe5 fxe5 16. Rxc6 bxc6 17. Bxc6+ Kd8 1-0

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.07"]
[Round "6"]
[White "Koch, Yannick"]
[Black "Scheffner, Jarno"]
[Result "0-1"]
[ECO "D29"]
[WhiteElo "2071"]
[BlackElo "1962"]
[PlyCount "112"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 b5 6. Bb3 Bb7 7. 0-0 e6 8. Qe2 c5 9. Rd1 Qb6 10. Nc3 Be7 11. Bd2 0-0 12. Rac1 Nbd7 13. Be1 Rac8 14. Ne5 Rfd8 15. Bc2 cxd4 16. exd4 Nf8 17. Qe3 Ba8 18. Qf4 Ng6 19. Bxg6 hxg6 20. f3 Qb8 21. Bf2 Rf8 22. Ne2 Bd6 23. Qg5 Nh7 24. Qe3 Nf6 25. Bg3 Nd5 26. Qd2 Rfd8 27. Kh1 Nb6 28. Qf4 f6 29. Qg4 fxe5 30. Qxe6+ Kh7 31. Qh3+ Kg8 32. Qe6+ Kh7 33. dxe5 Bc7 34. Qh3+ Kg8 35. Qe6+ Kh7 36. Nf4 Bxe5 37. Qh3+ Kg8 38. Qe6+ Kh7 39. Qh3+ Kg8 40. Qe6+ Kh7 41. Qxg6+ Kg8 42. Qe6+ Kh7 43. Qf5+ Kg8 44. Ng6 Qd6 45. Be1 Rxc1 46. Rxc1 Bf6 47. h4 Qd5 48. Qg4 Nc4 49. Bc3 Qd7 50. Qh5 Bxc3 51. Rxc3 Re8 52. Kh2 Qd5 53. Qg4 Ne5 54. Qg5 Qd6 55. Nxe5 Rxe5 56. Rc8+ Re8+ 0-1

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.07"]
[Round "5"]
[White "Schiller, Jan Hendrik"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1879"]
[BlackElo "2071"]
[PlyCount "50"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. 0-0 Nf6 6. c4 dxc4 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 0-0 11. Ne1 Rd8 12. Nd3 Be7 13. Nc4 Nd5 14. Bb2 f6 15. Nd2 e5 16. Nb3 Bg4 17. Kf1 Nb6 18. Rac1 Nc4 19. Ba1 Ba3 20. Rb1 Rac8 21. Ke1 b6 22. Ndc5 bxc5 23. Bd5+ Rxd5 24. Rxd5 Be6 25. Rdd1 Bf5 0-1

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.06"]
[Round "4"]
[White "Koch, Yannick"]
[Black "Moenster, Madita"]
[Result "0-1"]
[ECO "E52"]
[WhiteElo "2071"]
[BlackElo "1921"]
[PlyCount "126"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd2 0-0 6. Nf3 b6 7. Bd3 dxc4 8. Bxc4 Bb7 9. 0-0 Be7 10. Qe2 c5 11. Rfd1 cxd4 12. exd4 Nd5 13. Ne5 Bf6 14. Rac1 Nc6 15. Nxd5 exd5 16. Nxc6 Bxc6 17. Bd3 Bb7 18. Qh5 g6 19. Qg4 Rc8 20. Bh6 Re8 21. g3 Qd6 22. a3 Bc6 23. Bf5 Rcd8 24. Bf4 h5 25. Qh3 Qe7 26. Rxc6 gxf5 27. Qxf5 Qe2 28. Rd3 Qe1+ 29. Kg2 Qe4+ 30. Qxe4 dxe4 31. Rd2 Bxd4 32. Rh6 Bg7 33. Rxh5 Rxd2 34. Bxd2 Bxb2 35. a4 Re5 36. Rh6 Rd5 37. Be1 Rd1 38. Bb4 Rd4 39. Be7 Rxa4 40. Rc6 Bd4 41. Rc2 b5 42. h4 a5 43. Rc8+ Kh7 44. Rd8 Rc4 45. h5 b4 46. g4 b3 47. g5 b2 48. Rf8 b1Q 49. Rxf7+ Kg8 50. Rf8+ Kg7 51. g6 Kh6 52. Rf5 Rc8 53. Bd6 e3 54. Bf4+ Kg7 55. Rf7+ Kg8 56. Rf5 Kg7 57. Rf7+ Kg8 58. fxe3 Qe4+ 59. Kg3 Bxe3 60. Bd6 Bh6 61. Bc7 Be3 62. Bd6 Bh6 63. Bc7 Rxc7 0-1

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.06"]
[Round "3"]
[White "Tenne, Fabian"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1843"]
[BlackElo "2071"]
[PlyCount "78"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d3 e5 5. Nbd2 Be7 6. e4 d4 7. a4 Be6 8. 0-0 h5 9. Re1 h4 10. Nf1 hxg3 11. Nxg3 g6 12. Bd2 Qd7 13. Qc1 0-0-0 14. Rb1 Bg4 15. Ng5 Bxg5 16. Bxg5 f6 17. Bd2 Qh7 18. Nf1 Bh3 19. Qd1 Bxg2 20. Kxg2 Qh3+ 21. Kg1 Nh6 22. f3 g5 23. Qe2 g4 24. f4 exf4 25. Bxf4 Nf7 26. Qg2 Qh4 27. Nd2 Ng5 28. Bg3 Qh5 29. Rf1 Ne5 30. Rf5 Rh7 31. b4 cxb4 32. Rxb4 Rc7 33. Rb2 Rc5 34. Rxf6 Ngf3+ 35. Nxf3 Nxf3+ 36. Kh1 Qg5 37. Rxf3 gxf3 38. Qf1 Rh8 39. Qe1 Qe3 0-1

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.05"]
[Round "2"]
[White "Koch, Yannick"]
[Black "Lebiedz, Oliver"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2071"]
[BlackElo "1925"]
[PlyCount "80"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd2 Re8 6. a3 Bf8 7. e4 d6 8. e5 Nfd7 9. Nf3 c5 10. exd6 Bxd6 11. Nb5 Bf8 12. Be3 cxd4 13. Nbxd4 a6 14. Be2 e5 15. Nc2 e4 16. Nfd4 Ne5 17. 0-0 f5 18. f4 exf3 19. Nxf3 Qxd1 20. Raxd1 Ng4 21. Bb6 Rxe2 22. Rd8 Nc6 23. Nfd4 Nxd8 24. Nxe2 Nf7 25. h3 Nge5 26. b3 Bd7 27. Ncd4 g6 28. Nf4 Nc6 29. Nf3 Bg7 30. Nd5 Re8 31. Rd1 Nce5 32. Nc7 Rc8 33. Nd4 Bf6 34. Nd5 Bd8 35. Ba7 Nc6 36. Nb6 Bxb6 37. Bxb6 Nxd4 38. Bxd4 Bc6 39. Bf6 Re8 40. b4 Re2 0-1

[Event "Verden op-A"]
[Site "Verden"]
[Date "2023.01.05"]
[Round "1"]
[White "Nechitailo, Nikita"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1834"]
[BlackElo "2071"]
[PlyCount "96"]
[EventDate "2023.01.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 a6 7. Ne5 Nxe5 8. dxe5 d4 9. Ne2 Qa5+ 10. Qd2 Qxe5 11. Qxd4 Qxd4 12. Nxd4 e5 13. Nf3 e4 14. Nd4 Bc5 15. Nb3 Ba7 16. Be3 Bxe3 17. fxe3 Ng4 18. Kd2 Ke7 19. Be2 Rd8+ 20. Nd4 Ne5 21. Kc3 g6 22. b4 Bg4 23. Bf1 Rac8 24. Rc1 Nxc4 25. Bxc4 b5 26. Kb3 bxc4+ 27. Rxc4 Be6 28. Nxe6 Rd3+ 29. Ka4 Rxc4 30. Nf4 Rd2 31. Kb3 Rcc2 32. a4 Kd6 33. h4 h6 34. g3 g5 35. hxg5 hxg5 36. Rh6+ Ke5 37. Nh5 Rb2+ 38. Ka3 Ra2+ 39. Kb3 Rdb2+ 40. Kc3 Rc2+ 41. Kb3 Rcb2+ 42. Kc3 Rd2 43. Kb3 Rdb2+ 44. Kc3 Rc2+ 45. Kb3 Rcb2+ 46. Kc3 Rh2 47. b5 axb5 48. axb5 Rab2 0-1

[Event "Oberliga Nord W 2223"]
[Site "Germany"]
[Date "2022.12.11"]
[Round "3.4"]
[White "Koch, Yannick"]
[Black "Virag, Attila Aba"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "2076"]
[BlackElo "2276"]
[PlyCount "80"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Lister Turm II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Nge2 Bg7 8. Ng3 0-0 9. Be2 Nbd7 10. 0-0 a6 11. a4 Re8 12. f3 Rb8 13. Be3 Qc7 14. Qd2 Ne5 15. h3 c4 16. Rfc1 b5 17. axb5 axb5 18. b4 cxb3 19. Nxb5 Qd8 20. Rab1 Bxh3 21. Rxb3 Bd7 22. Rbb1 Bxb5 23. Bxb5 Re7 24. Ne2 Reb7 25. Nd4 Ne8 26. Qe2 Nc7 27. f4 Nxb5 28. Rxb5 Rxb5 29. Nxb5 Nd7 30. Nxd6 Nf6 31. e5 Nxd5 32. Ba7 Nxf4 33. Qc4 Qg5 34. Qxf7+ Kh8 35. Qa2 Ne2+ 36. Kf2 Qf4+ 37. Kxe2 Qxe5+ 38. Kf1 Qf4+ 39. Kg1 Qxc1+ 40. Kf2 Rb2+ 0-1

[Event "Oberliga Nord W 2223"]
[Site "Germany"]
[Date "2022.11.27"]
[Round "2.4"]
[White "Schmidt, Benjamin"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1864"]
[BlackElo "2083"]
[PlyCount "80"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Ricklingen"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 c6 8. Bd3 0-0 9. Qc2 Re8 10. Nge2 Nbd7 11. 0-0 a5 12. f3 b5 13. Bf2 Nb6 14. b3 Be6 15. Ng3 Qd7 16. e4 dxe4 17. fxe4 Qb7 18. h3 a4 19. bxa4 Nxa4 20. Nce2 Nb6 21. Nf4 Bc4 22. d5 Ra3 23. Bxc4 Nxc4 24. Rfb1 cxd5 25. exd5 Bd6 26. Qxc4 bxc4 27. Rxb7 Bxf4 28. Nf5 Nxd5 29. Bd4 Be5 30. Bxe5 Rxe5 31. Nd6 Re2 32. Rb8+ Kh7 33. Nxc4 Rg3 34. a4 Rgxg2+ 35. Kf1 Ref2+ 36. Ke1 Rc2 37. Kf1 Rh2 38. Kg1 Rcg2+ 39. Kf1 Nf4 40. Ne3 Rh1# 0-1

[Event "Bayern-chI Bank Hofmann 25th"]
[Site "Tegernsee"]
[Date "2022.11.07"]
[Round "3"]
[White "Koch, Yannick"]
[Black "Koepke, Christian"]
[Result "1/2-1/2"]
[ECO "E83"]
[WhiteElo "2083"]
[BlackElo "2301"]
[PlyCount "66"]
[EventDate "2022.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 0-0 5. Nc3 d6 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Na5 9. Nc1 Nd7 10. Nb3 Nxb3 11. axb3 e5 12. d5 f5 13. Bd3 Nf6 14. b4 fxe4 15. Bxe4 Nxe4 16. Nxe4 Bf5 17. Bg5 Qd7 18. 0-0 h5 19. Qe3 Kh7 20. b3 Kh8 21. Rfd1 Rab8 22. Rf1 Rf7 23. Bh4 Rff8 24. Bg5 Kh7 25. Rfd1 Rf7 26. Rf1 Rbf8 27. Rad1 Ra8 28. Ra1 Rb8 29. Rad1 Rbf8 30. Ra1 Rb8 31. Rad1 Ra8 32. Ra1 Raf8 33. Rad1 Rb8 1/2-1/2

[Event "Bayern-chI Bank Hofmann 25th"]
[Site "Tegernsee"]
[Date "2022.11.05"]
[Round "1"]
[White "Morawietz, Dieter"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "E57"]
[WhiteElo "2388"]
[BlackElo "2083"]
[PlyCount "65"]
[EventDate "2022.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 dxc4 5. e3 c5 6. Bxc4 Nc6 7. Nf3 cxd4 8. exd4 Be7 9. 0-0 0-0 10. a3 b6 11. Qd3 Bb7 12. Rad1 Rc8 13. Ba2 Rc7 14. Rfe1 Rd7 15. Bb1 g6 16. Ba2 Re8 17. h4 Kg7 18. Qe3 Ng4 19. Qf4 h5 20. d5 e5 21. Qxf7+ Kxf7 22. dxc6+ Kg7 23. Rxd7 Qc8 24. Rxb7 Qxc6 25. Rxe7+ Rxe7 26. Bxe7 Qd7 27. Bg5 Qd6 28. Ne4 Qd3 29. Nxe5 Qc2 30. Nxg4 hxg4 31. Nf6 Qc5 32. b4 Qc7 33. Ne8+ 1-0

[Event "Oberliga Nord W 2223"]
[Site "Germany"]
[Date "2022.10.23"]
[Round "1.4"]
[White "Koch, Yannick"]
[Black "Heldt, Nils Lennart"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "2094"]
[BlackElo "2059"]
[PlyCount "80"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Werder Bremen III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Be7 7. b3 0-0 8. Bd3 b6 9. 0-0 Bb7 10. Bb2 h6 11. Rad1 Qc8 12. Ne2 dxc4 13. Qxc4 c5 14. Ne5 Bd5 15. Qc2 cxd4 16. Nxd7 Nxd7 17. e4 Bb7 18. Bxd4 Qxc2 19. Bxc2 Rac8 20. Bd3 Nc5 21. Bb1 Nxe4 22. f3 Nf6 23. Kf2 Rfd8 24. Rfe1 Bb4 25. Rh1 Ba6 26. g4 e5 27. Be3 Nd5 28. Ng3 Nxe3 29. Rxd8+ Rxd8 30. Kxe3 Bc5+ 31. Ke4 Bb7+ 32. Kf5 g6+ 33. Kf6 Rd6+ 34. Ke7 Bxf3 35. Rf1 Bxg4 36. Ke8 Bd7+ 37. Ke7 Bb5 38. Rh1 Re6+ 39. Kd8 Bd6 40. Kc8 Bc6 0-1

[Event "Oberliga Nord W 2122"]
[Site "Germany"]
[Date "2022.05.01"]
[Round "9.4"]
[White "Koch, Yannick"]
[Black "Hampel, Felix"]
[Result "0-1"]
[ECO "D19"]
[WhiteElo "2087"]
[BlackElo "2306"]
[PlyCount "64"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Lister Turm"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. Qe2 Bg6 10. e4 0-0 11. e5 Nd5 12. Nxd5 cxd5 13. Bd3 Bxd3 14. Qxd3 h6 15. Ne1 Rc8 16. f4 f5 17. Qb3 Qb6 18. Nf3 Rc4 19. Be3 Rfc8 20. Qd3 Rc2 21. Rf2 Qc6 22. Qxc2 Qxc2 23. Rxc2 Rxc2 24. Rb1 Kf7 25. Rc1 Rxb2 26. Rc7 Ke7 27. Rc8 Rb3 28. Kf2 Rc3 29. Rg8 Rc2+ 30. Kf1 Kf7 31. Rd8 Nb6 32. Nh4 Be7 0-1

[Event "Oberliga Nord W 2122"]
[Site "Germany"]
[Date "2022.04.24"]
[Round "5.5"]
[White "Koch, Yannick"]
[Black "Lau, Siegfried"]
[Result "1/2-1/2"]
[ECO "D06"]
[WhiteElo "2087"]
[BlackElo "1986"]
[PlyCount "110"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Salzgitter"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 c6 6. Be3 N8d7 7. Nf3 Nf6 8. h3 h6 9. Bd3 Be6 10. Qe2 g5 11. h4 g4 12. Ne5 h5 13. d5 cxd5 14. Bb5+ Bd7 15. Nxd7 Nfxd7 16. exd5 a6 17. Bd4 Rh6 18. Bd3 Qc7 19. 0-0 Qd6 20. Be3 Rh8 21. Ne4 Qe5 22. f4 gxf3 23. Rxf3 0-0-0 24. Rf5 Qxf5 25. Nd6+ exd6 26. Bxf5 Re8 27. Qc2+ Kb8 28. Bd4 Rg8 29. Qb3 Re2 30. Bh3 Bg7 31. Bxg7 Rxg7 32. Rc1 f5 33. a4 Re5 34. Qc3 Nxd5 35. Qc8+ Ka7 36. Qh8 Rge7 37. Rc8 N7b6 38. Rc2 Nxa4 39. Qxh5 Nab6 40. Qf3 f4 41. Qf2 Re1+ 42. Kh2 R7e4 43. h5 Ra1 44. Re2 Ne3 45. h6 Nbd5 46. h7 Re8 47. Be6 Rh8 48. Bg8 Rf1 49. Qh4 Nf5 50. Qg5 Ng3 51. Kh3 Nxe2 52. Qxd5 f3 53. Qg5 Rh1+ 54. Kg4 fxg2 55. Qe3+ Kb8 1/2-1/2

[Event "Oberliga Nord W 2122"]
[Site "Germany"]
[Date "2022.04.03"]
[Round "8.5"]
[White "Koch, Yannick"]
[Black "Simon, Ralf Axel"]
[Result "1-0"]
[ECO "E39"]
[WhiteElo "2087"]
[BlackElo "2151"]
[PlyCount "59"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Hannover"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 c5 6. dxc5 Na6 7. g3 Nxc5 8. Bg2 Nce4 9. 0-0 Nxc3 10. bxc3 Be7 11. e4 d6 12. e5 dxe5 13. Nxe5 Qc7 14. Re1 Bd6 15. Qe2 Nd7 16. Bf4 Nc5 17. Rad1 f6 18. Nd7 Bxf4 19. Nxf8 Bh6 20. Qc2 Kxf8 21. Qxh7 Rb8 22. Qh8+ Ke7 23. Rd5 b6 24. Rh5 Bb7 25. Qh7 Bxg2 26. Rxh6 Kd6 27. Rh4 Bf3 28. Rf4 Ba8 29. Rd1+ Kc6 30. Rg4 1-0

[Event "Oberliga Nord W 2122"]
[Site "Germany"]
[Date "2022.03.06"]
[Round "7.5"]
[White "Koch, Yannick"]
[Black "Lewin, Tammo"]
[Result "1-0"]
[ECO "E33"]
[WhiteElo "2087"]
[BlackElo "2065"]
[PlyCount "63"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Hellern"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bg5 h6 7. Bh4 g5 8. Bg3 g4 9. Nd2 Nxd4 10. Qd3 Nf5 11. e4 Nxg3 12. hxg3 e5 13. 0-0-0 Bd7 14. f3 Qe7 15. Nb3 h5 16. a3 Bxc3 17. Qxc3 0-0-0 18. c5 Ba4 19. cxd6 Bxb3 20. Qxb3 Rxd6 21. Rxd6 cxd6 22. Bc4 gxf3 23. gxf3 Nd7 24. Bxf7 Qg5+ 25. Kb1 Qxg3 26. Rc1+ Nc5 27. Qe6+ Kc7 28. Qe7+ Kc6 29. Bd5+ Kb5 30. Qxd6 b6 31. Bc6+ Ka5 32. Qd2+ 1-0

[Event "Oberliga Nord W 2122"]
[Site "Germany"]
[Date "2021.12.12"]
[Round "4.5"]
[White "Peters, Tom"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2055"]
[BlackElo "2087"]
[PlyCount "216"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Oldenburg Union"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be3 cxd4 7. cxd4 Nf6 8. Be2 Nc6 9. 0-0 Be7 10. Nc3 Qd6 11. Qd2 0-0 12. Rfd1 Nb4 13. Ne5 Nbd5 14. Rac1 Bd7 15. Nc4 Qb8 16. Nxd5 Nxd5 17. Bf3 Bb4 18. Qc2 b5 19. Ne5 Qd6 20. a3 Rac8 21. Qb3 Ba5 22. Bxd5 exd5 23. Bf4 Qe6 24. h3 Rfd8 25. Rxc8 Rxc8 26. Rc1 Rxc1+ 27. Bxc1 Be8 28. Qe3 f6 29. Nd3 Qxe3 30. Bxe3 Bd7 31. Nc5 Bc8 32. Nb3 Bb6 33. Kf1 a5 34. Ke2 a4 35. Nc1 Bf5 36. Na2 Bd7 37. Kd3 Kf7 38. Bd2 Bf5+ 39. Ke3 Bd7 40. Bb4 Ke6 41. Nc3 g5 42. g4 Bc7 43. Ne2 f5 44. f3 Be8 45. Nc3 fxg4 46. fxg4 Bf4+ 47. Ke2 Bc1 48. Nd1 Bf4 49. Bd2 Bxd2 50. Kxd2 h5 51. Kc3 hxg4 52. hxg4 Kd6 53. Kb4 Bd7 54. Nf2 Kc6 55. Ka5 Kb7 56. Nh3 Bxg4 57. Nxg5 Be2 58. Nf7 Bf1 59. Ne5 Be2 60. Nd7 Kc6 61. Nb8+ Kb7 62. Na6 Bf1 63. Nb4 Bc4 64. Nc2 Be2 65. Ne3 Kc6 66. Nf5 Bc4 67. Ne7+ Kd7 68. Ng6 Kc7 69. Ne5 Be2 70. Ka6 Bf1 71. Nf3 Be2 72. Ne1 Bf1 73. Nc2 Be2 74. Ka5 Kb7 75. Ne3 Kc6 76. Nf5 Bc4 77. Ne7+ Kd7 78. Ng6 Kc7 79. Kb4 Kb6 80. Kc3 Kc7 81. Kd2 Kd6 82. Ke3 Ke6 83. Kf4 Kf6 84. Ne5 Bf1 85. Ng4+ Ke6 86. Kg5 Bd3 87. Nf2 Bc2 88. Nh3 Be4 89. Nf4+ Kf7 90. Ne2 Ke6 91. Ng3 Bd3 92. Nh5 Be4 93. Ng3 Bd3 94. Kg4 Bc2 95. Nf1 Bd3 96. Ne3 Be4 97. Nd1 Bd3 98. Nc3 Bc4 99. Kg5 Bd3 100. Kf4 Bc4 101. Nb1 Bd3 102. Nd2 Bc2 103. Ke3 Kf5 104. Nf3 Bb1 105. Ne5 Ke6 106. Kd2 Kd6 107. Kc3 Kc7 108. Kb4 Kb6 1/2-1/2

[Event "Oberliga Nord W 2122"]
[Site "Germany"]
[Date "2021.11.21"]
[Round "3.4"]
[White "Zschischang, Marine"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2062"]
[BlackElo "2087"]
[PlyCount "102"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Lehrte"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. e3 b6 7. cxd5 exd5 8. Qc2 Bb7 9. 0-0-0 Ne4 10. Bxe7 Qxe7 11. Kb1 Nd7 12. Bd3 Rfe8 13. h4 c5 14. Bb5 Red8 15. Bxd7 Rxd7 16. dxc5 Nxc3+ 17. Qxc3 bxc5 18. Qe5 Rad8 19. Rd2 d4 20. Qxe7 Rxe7 21. exd4 Bxf3 22. gxf3 cxd4 23. Rhd1 Red7 24. Rd3 g6 25. Rg1 Kg7 26. Rg5 Re8 27. Rc5 Re1+ 28. Rc1 Re5 29. Rc4 Red5 30. b4 Kh6 31. Kc2 Kh5 32. Rd1 Rf5 33. Rdxd4 Rxd4 34. Rxd4 Rxf3 35. b5 Rxf2+ 36. Kb3 f5 37. Rd7 Kxh4 38. Rxh7+ Kg4 39. Rxa7 Rf1 40. Kc2 Rf2+ 41. Kc3 Rf1 42. b6 Rb1 43. Ra4+ f4 44. Rb4 Rxb4 45. Kxb4 f3 46. b7 f2 47. b8Q f1Q 48. Qc8+ Qf5 49. Qc4+ Kh3 50. a4 Qf8+ 51. Kb3 Qf3+ 1/2-1/2

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.11.05"]
[Round "7"]
[White "Costa, Leonardo"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2336"]
[BlackElo "2097"]
[PlyCount "55"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g4 a6 7. Be3 Bb4 8. Nxc6 Bxc3+ 9. bxc3 Qxc6 10. Qd4 f6 11. Bg2 Ne7 12. 0-0 e5 13. Qd2 b5 14. f4 Ng6 15. f5 Ne7 16. Rad1 Bb7 17. Kh1 0-0-0 18. c4 Qxc4 19. Qd6 Bxe4 20. Qxa6+ Kb8 21. Ba7+ Ka8 22. Bd4+ Kb8 23. Bxe4 d5 24. Ba7+ Kc7 25. Bb6+ Kb8 26. Bd3 Qc6 27. Qa7+ Kc8 28. Bxb5 1-0

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.10.30"]
[Round "1"]
[White "Morawietz, Dieter"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2396"]
[BlackElo "2097"]
[PlyCount "70"]
[EventDate "2021.10.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Re1 d6 8. Nc3 Ne4 9. Qc2 Nxc3 10. Ng5 Ne4 11. Bxe4 d5 12. Bxh7+ Kh8 13. Bg8 f5 14. Nf7+ Rxf7 15. Bxf7 Nc6 16. Qd1 g6 17. Bxe6 dxc4 18. d5 Ne5 19. Bf4 Bf6 20. Qd2 Qe7 21. Bxe5 Bxe5 22. e4 Qg7 23. exf5 Bxb2 24. fxg6 Bxa1 25. Qg5 Qf8 26. Qh4+ Kg7 27. Qh7+ Kf6 28. Bf7 Qh8 29. Qxh8+ Rxh8 30. Rxa1 Rd8 31. Rd1 Rd6 32. h4 c6 33. g4 cxd5 34. g5+ Kg7 35. h5 Rxg6 1-0

[Event "Oberliga Nord W 2122"]
[Site "Germany"]
[Date "2021.10.24"]
[Round "2.4"]
[White "Koch, Yannick"]
[Black "Oehne, Timo"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2087"]
[BlackElo "2098"]
[PlyCount "78"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Nordhorn Blanke"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f3 d6 6. Be3 Nbd7 7. Nge2 a6 8. Qd2 Rb8 9. a4 e5 10. d5 Nc5 11. Nc1 b6 12. b4 Nb7 13. Nb3 Nd7 14. Bg5 Qe8 15. h4 f5 16. Be3 fxe4 17. Nxe4 Nf6 18. Bd3 Bd7 19. a5 Ba4 20. Nc1 bxa5 21. bxa5 Nxe4 22. Bxe4 Nc5 23. Bxc5 dxc5 24. Nd3 Bd7 25. Nxc5 Bc8 26. h5 Qe7 27. Nd3 Bf5 28. Qe2 Bxe4 29. Qxe4 Qg5 30. 0-0 Qxh5 31. Rab1 Qf5 32. Nc5 Qxe4 33. Nxe4 Rfc8 34. Rfd1 Bf8 35. Kf1 Rb4 36. c5 Rxb1 37. Rxb1 Rd8 38. Rb7 g5 39. Rxc7 Rd7 1-0

[Event "Oberliga Nord W 2122"]
[Site "Germany"]
[Date "2021.10.10"]
[Round "1.5"]
[White "Koch, Yannick"]
[Black "Bach, Matthias"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "2087"]
[BlackElo "2226"]
[PlyCount "84"]
[EventDate "2021.10.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Werder Bremen III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nge2 Bg7 8. Ng3 0-0 9. Be2 a6 10. a4 Nbd7 11. 0-0 Rb8 12. Be3 h5 13. f3 h4 14. Nh1 h3 15. g3 Ne5 16. Nf2 b5 17. axb5 axb5 18. f4 Nc4 19. Bxc4 bxc4 20. Qe2 Re8 21. Rfe1 Qb6 22. Qxc4 Ng4 23. Nxg4 Qxb2 24. Nf2 Bxc3 25. Qa4 Re7 26. Ra2 Bxe1 27. Rxb2 Rxb2 28. Qa8 Bxf2+ 29. Bxf2 Re8 30. Qa1 Rb4 31. e5 Bf5 32. Qa6 Rb1+ 33. Be1 Rxe1+ 34. Kf2 Rh1 35. g4 Rxh2+ 36. Kf3 Rb8 37. gxf5 Rb3+ 38. Ke4 Rd2 39. fxg6 fxg6 40. exd6 h2 41. Qf1 h1Q+ 42. Qxh1 Re2# 0-1

[Event "Oberliga Nord W 1920"]
[Site "Germany"]
[Date "2021.07.11"]
[Round "9.5"]
[White "Koch, Yannick"]
[Black "Hoellmann, Ludger"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2086"]
[BlackElo "2120"]
[PlyCount "74"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Nordhorn Blanke"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Nbd7 7. Bd3 h6 8. Bh4 Be7 9. Nge2 Nh5 10. Bxe7 Qxe7 11. g4 Nhf6 12. Ng3 g6 13. h3 Nb6 14. Qe2 Be6 15. f4 0-0-0 16. f5 gxf5 17. Nxf5 Bxf5 18. Bxf5+ Kb8 19. 0-0-0 Rde8 20. Rhe1 Qd6 21. Qf1 Re7 22. Qf4 Kc7 23. b3 Qxf4 24. exf4 Rhe8 25. Re5 Nbd7 26. Rxe7 Rxe7 27. Kd2 Kd6 28. g5 hxg5 29. fxg5 Nh5 30. Rg1 Nf8 31. Ne2 Ng6 32. Bg4 Nhf4 33. Nxf4 Nxf4 34. Rf1 Re4 35. Kc3 Ke7 36. Bf5 Ng2 37. Bxe4 Ne3 1-0

[Event "Oberliga Nord W 1920"]
[Site "Germany"]
[Date "2021.07.10"]
[Round "8.5"]
[White "Zschischang, Gunnar"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2103"]
[BlackElo "2086"]
[PlyCount "12"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Lehrte"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. e3 Be7 5. Bd3 0-0 6. 0-0 Nbd7 1/2-1/2

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "1"]
[White "Faerber, David"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2175"]
[BlackElo "1921"]
[PlyCount "71"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. 0-0 Be7 9. Re1 d6 10. Nxc6 bxc6 11. e5 dxe5 12. Rxe5 0-0 13. Bf4 Qb7 14. Na4 Rd8 15. Qf3 Bd6 16. Ree1 Bxf4 17. Qxf4 Nd5 18. Qc4 Bd7 19. b3 Qb4 20. Bxd5 Qe7 21. Bg2 Rac8 22. Nc5 Be8 23. Rad1 Qf6 24. a4 h6 25. Nxa6 c5 26. Nxc5 Rxd1 27. Rxd1 Qe5 28. b4 h5 29. Qd4 Qf5 30. Qe4 Qf6 31. a5 Qc3 32. Qd4 Qxc2 33. a6 Qa2 34. Bb7 Rb8 35. Qd2 Qa3 36. Qd6 1-0

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "7"]
[White "Hoppe, Thilo"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "2140"]
[BlackElo "1921"]
[PlyCount "143"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. e3 Bf6 11. Qd2 Qe7 12. Rd1 Rd8 13. Qc2 d6 14. Rb1 Nc6 15. dxc5 dxc5 16. Bd2 Rd7 17. Bc3 Rad8 18. Rxd7 Rxd7 19. Bxf6 Qxf6 20. a3 Qd8 21. h4 f6 22. h5 Rd3 23. h6 gxh6 24. Nh4 Na5 25. Bxb7 Nxb7 26. Qe2 Rd2 27. Qg4+ Kf7 28. Qh5+ Kg7 29. Nf3 Rd1+ 30. Rxd1 Qxd1+ 31. Kg2 Qc2 32. Qg4+ Kf7 33. Qf4 Nd8 34. Qc7+ Ke8 35. Qxa7 Qxb2 36. Qxh7 Qxa3 37. Nh4 Qa8+ 38. Kh2 Qb7 39. Qxh6 Qf7 40. Ng6 Kd7 41. Nf4 Kc7 42. Qh3 f5 43. Qg2 Qh7+ 44. Kg1 Qd7 45. Qf1 Nc6 46. Qa1 Kb7 47. Qf6 Nd8 48. Qf8 Nc6 49. Qf6 Nd8 50. Qe5 Ka6 51. Qa1+ Kb7 52. Qe5 Ka6 53. Kh2 b5 54. cxb5+ Kxb5 55. Ne2 Qh7+ 56. Kg2 Qb7+ 57. Kg1 Qd5 58. Nc3+ Kc6 59. Nxd5 exd5 60. Qe8+ Kc7 61. Qe7+ Kc8 62. Qf6 c4 63. Qxf5+ Kc7 64. Qe5+ Kc6 65. g4 Nf7 66. Qf6+ Nd6 67. g5 Kc5 68. Qd4+ Kc6 69. g6 Nf5 70. Qf6+ Nd6 71. g7 c3 72. Qxc3+ 1-0

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "3"]
[White "Hundack, Rolf"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2055"]
[BlackElo "1921"]
[PlyCount "48"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Bb4 3. e4 c5 4. Nf3 Nc6 5. Be2 e5 6. 0-0 d6 7. d3 f5 8. Nd5 Ba5 9. a3 f4 10. b4 Bc7 11. b5 Nd4 12. Nxd4 cxd4 13. Bh5+ g6 14. Bg4 Nf6 15. Bxc8 Rxc8 16. a4 0-0 17. a5 Bxa5 18. Nxf6+ Rxf6 19. Qg4 Bb6 20. Bd2 Rf7 21. h4 Qd7 22. Qg5 Kg7 23. h5 Bd8 24. h6+ Kg8 0-1

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "8"]
[White "Koch, Yannick"]
[Black "Klundt, Klaus"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1921"]
[BlackElo "2006"]
[PlyCount "72"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Nbd7 8. Nge2 0-0 9. 0-0 Re8 10. Qc2 Nf8 11. f3 b5 12. Rad1 g6 13. h3 Ne6 14. Bh4 Bb7 15. Bf2 Rc8 16. e4 b4 17. Na4 Qa5 18. e5 Nd7 19. f4 c5 20. dxc5 Ndxc5 21. Nxc5 Nxc5 22. Qd2 Nxd3 23. Qxd3 Ba6 24. Qd2 Qxa2 25. Rfe1 Bxe2 26. Qxe2 Qb3 27. Bxa7 Rc2 28. Rd2 Rec8 29. Red1 Qxb2 30. e6 f5 31. Qe3 Rxd2 32. Rxd2 Qc3 33. Rd3 Qa1+ 34. Kh2 Qf6 35. Bd4 Qf8 36. Qe4 dxe4 0-1

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "2"]
[White "Koch, Yannick"]
[Black "Kull, Florian"]
[Result "0-1"]
[ECO "E54"]
[WhiteElo "1921"]
[BlackElo "2087"]
[PlyCount "130"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 c5 6. Bd3 d5 7. 0-0 cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Bb3 Bb7 11. Re1 Nc6 12. Qd3 Ne7 13. Bg5 Ng6 14. Rad1 h6 15. Bc1 Rc8 16. Bxe6 Rc7 17. Bb3 Re7 18. Qxg6 Bxf3 19. gxf3 Rxe1+ 20. Rxe1 Qxd4 21. Bxh6 Nd5 22. Bxd5 Kh8 23. Bxg7+ Qxg7 24. Qxg7+ Kxg7 25. Re4 Bc5 26. Kg2 Rd8 27. h4 Kf6 28. Kg3 b5 29. a3 a5 30. Rf4+ Ke5 31. Re4+ Kf6 32. Bc6 b4 33. axb4 axb4 34. Nd5+ Kg7 35. Nf4 Rd2 36. b3 f5 37. Re5 Bxf2+ 38. Kh3 Kf6 39. Re6+ Kf7 40. Re2 Rd6 41. Rxf2 Rxc6 42. Re2 Rc3 43. Re5 Rxf3+ 44. Kg2 Rxb3 45. h5 Rb2+ 46. Kf3 b3 47. Rb5 Kg7 48. Rb6 Rb1 49. Nd3 Rh1 50. Nf4 Rb1 51. Ke3 b2 52. Kd2 Rf1 53. Ne2 b1Q 54. Rxb1 Rxb1 55. Ke3 Rb4 56. Kf3 Kh6 57. Ng3 f4 58. Ne2 Kg5 59. Ng1 Kxh5 60. Ne2 Kg5 61. Ng1 Kf5 62. Ne2 Rb3+ 63. Kf2 Ke4 64. Nc1 Rb2+ 65. Kf1 Rb1 0-1

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "5"]
[White "Koch, Yannick"]
[Black "Rudolph, Lukas"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "1921"]
[BlackElo "2072"]
[PlyCount "72"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 f5 5. Nc3 Nf6 6. Bd3 Bd6 7. 0-0 Ne4 8. Qc2 0-0 9. Ne5 Nd7 10. f4 Ndf6 11. Bxe4 fxe4 12. Bd2 Bd7 13. Be1 Be8 14. Bh4 Qa5 15. c5 Bc7 16. a3 Bh5 17. b4 Qa6 18. a4 Bxe5 19. fxe5 Ng4 20. Qd2 Qc4 21. h3 Nh6 22. Be7 Rxf1+ 23. Rxf1 Qxb4 24. Rb1 Qc4 25. g4 Bg6 26. Rxb7 Nf7 27. Qb2 h5 28. Kf2 hxg4 29. hxg4 Nh6 30. Kg3 Qd3 31. Qc1 Qa6 32. Rb2 Qd3 33. Bg5 Nf7 34. Be7 Nh6 35. Bd6 Nf7 36. Be7 Nh6 1/2-1/2

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "6"]
[White "Koch, Yannick"]
[Black "Steffens, Olaf"]
[Result "0-1"]
[ECO "E85"]
[WhiteElo "1921"]
[BlackElo "2083"]
[PlyCount "52"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nc6 5. Nge2 e5 6. Be3 Nf6 7. f3 0-0 8. d5 Ne7 9. g4 Bxg4 10. fxg4 Nxg4 11. Qd2 f5 12. Bg5 h6 13. Bxe7 Qxe7 14. Bh3 Qh4+ 15. Ng3 Qxh3 16. 0-0-0 f4 17. Nf1 a6 18. Kb1 b5 19. cxb5 axb5 20. Nxb5 Qf3 21. Rg1 Qxe4+ 22. Ka1 Ne3 23. Rc1 Rfb8 24. Nxc7 Ra4 25. Ne6 Rxa2+ 26. Kxa2 Ra8+ 0-1

[Event "GER-ch Net blitz sf"]
[Site "Playchess.com INT"]
[Date "2021.06.05"]
[Round "4"]
[White "Tiarks, Jann Christian"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2109"]
[BlackElo "1921"]
[PlyCount "49"]
[EventDate "2021.06.05"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be2 Nf6 7. 0-0 Nc6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qd6 11. Rc1 0-0 12. h3 b5 13. Ne5 Nxe5 14. dxe5 Qxe5 15. Bf3 Rb8 16. Ba7 Rd8 17. Bxb8 Qxb8 18. Qe2 Bb7 19. Rfd1 Re8 20. Ne4 Nd5 21. Nc5 Ba8 22. Nxa6 Qb6 23. Bxd5 Bxd5 24. Nc7 Rd8 25. Nxd5 1-0

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "3"]
[White "Coenen, Michael"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2341"]
[BlackElo "1422"]
[PlyCount "35"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. d3 dxe4 5. dxe4 Qxd1+ 6. Kxd1 Bg4 7. Nbd2 Nc6 8. Kc2 0-0-0 9. a4 e6 10. Nc4 Bxf3 11. gxf3 Nf6 12. Bf4 b5 13. axb5 axb5 14. Na3 b4 15. Ba6+ Kd7 16. Nc4 Be7 17. Bb5 Rc8 18. Nb6+ 1-0

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "6"]
[White "Hohlbein, Michael"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2038"]
[BlackElo "1422"]
[PlyCount "98"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 e6 4. Bg2 Nc6 5. d3 d6 6. f4 Nf6 7. Nf3 Be7 8. 0-0 Nd4 9. h3 Qc7 10. Be3 e5 11. Qd2 b5 12. Kh2 Bd7 13. Ng5 h6 14. Nf3 0-0 15. Nh4 b4 16. Nd1 a5 17. c3 Nc6 18. c4 Nd4 19. Nf3 a4 20. a3 Nb3 21. Qf2 Nxa1 22. g4 Nb3 23. g5 hxg5 24. fxg5 Nh5 25. Qh4 Nf4 26. Bxf4 exf4 27. Qxf4 Nd4 28. Nh4 Ne6 29. Qg3 Bxg5 30. Nf5 g6 31. Nde3 d5 32. Qxc7 Nxc7 33. Nxd5 Nxd5 34. cxd5 gxf5 35. exf5 Rae8 36. Be4 f6 37. Kg3 Kf7 38. d6 Rh8 39. Bd5+ Kg7 40. Be4 bxa3 41. bxa3 Rc8 42. Rb1 Bc6 43. d7 Rc7 44. d8Q Rxd8 45. h4 Bh6 46. Rg1 Bxe4 47. dxe4 Kf7 48. Kf3 Rd3+ 49. Ke2 Rxa3 0-1

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "4"]
[White "Koch, Yannick"]
[Black "Platz, Daniel"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1422"]
[BlackElo "1847"]
[PlyCount "75"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Re8 8. Nge2 c6 9. 0-0 Bg4 10. f3 Bc8 11. Qd2 Nbd7 12. Rae1 Nf8 13. h3 Ne6 14. Bh4 Ne4 15. fxe4 Bxh4 16. Rd1 dxe4 17. Nxe4 Ng5 18. Nxg5 Bxg5 19. Nf4 Be6 20. Nxe6 Rxe6 21. Rde1 Qe7 22. Rf3 Re8 23. Kf2 Qd6 24. Bb1 g6 25. Qd3 c5 26. d5 Re5 27. e4 R5e7 28. Kg1 Bh4 29. Ref1 f5 30. exf5 Bf6 31. fxg6 Bd4+ 32. Kh1 Qxd5 33. gxh7+ Kh8 34. Qg6 Rg7 35. Rf8+ Rxf8 36. Rxf8+ Rg8 37. Rxg8+ Qxg8 38. hxg8Q# 1-0

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "1"]
[White "Koch, Yannick"]
[Black "Renner, Kai"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "1422"]
[BlackElo "1854"]
[PlyCount "123"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 c6 8. Rb1 a5 9. Qb3 Na6 10. c5+ Kh8 11. Na4 Nd5 12. Bd2 Be6 13. Qd1 Bg8 14. Rc1 Nac7 15. e3 Ne6 16. Qc2 Nb4 17. Bxb4 axb4 18. b3 Qa5 19. Nd2 dxc5 20. Nc4 Qd8 21. Ncb6 Ra6 22. dxc5 Nc7 23. Rfd1 Nd5 24. Nxd5 Bxd5 25. Bxd5 cxd5 26. Qd3 e6 27. Kg2 Qd7 28. h4 Qc6 29. h5 Raa8 30. Rh1 Kg8 31. hxg6 hxg6 32. Qd2 Rad8 33. Rhd1 d4+ 34. Kg1 dxe3 35. Qxe3 Rd5 36. Rxd5 Qxd5 37. Nb6 Qc6 38. Re1 e5 39. Nc4 e4 40. Nd6 Rd8 41. Rc1 Qd5 42. Qe2 Bd4 43. Qc4 Qxc4 44. Rxc4 Bxc5 45. Rxc5 Rxd6 46. Rc8+ Kf7 47. Rc7+ Kf6 48. Rxb7 Rd2 49. Rxb4 Rxa2 50. Rb6+ Kg5 51. Kf1 Rb2 52. b4 Kh5 53. Rb8 g5 54. b5 Kg4 55. b6 Kf3 56. Ke1 f4 57. gxf4 gxf4 58. b7 Re2+ 59. Kd1 Rb2 60. Ke1 Re2+ 61. Kd1 Rb2 62. Ke1 1/2-1/2

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "11"]
[White "Koch, Yannick"]
[Black "Schulz, Karsten"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1422"]
[BlackElo "2253"]
[PlyCount "54"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 g6 7. Nf3 Bg7 8. Nd2 d6 9. Nc4 Qc7 10. e4 0-0 11. Be2 a5 12. 0-0 a4 13. Bf4 a3 14. Nxa3 Nbd7 15. Nc4 Ba6 16. Ne3 Rfb8 17. Qd2 Qa5 18. Rfb1 Ne8 19. Nc4 Bxc4 20. Bxc4 Nc7 21. a4 Qb4 22. Qd3 Ne5 23. Bxe5 Bxe5 24. Nb5 Nxb5 25. Bxb5 Bd4 26. Ra2 Rxb5 27. axb5 Rxa2 0-1

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "5"]
[White "Koch, Yannick"]
[Black "Serbu, Eli"]
[Result "0-1"]
[ECO "D95"]
[WhiteElo "1422"]
[BlackElo "2234"]
[PlyCount "92"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Qb3 dxc4 7. Bxc4 c6 8. 0-0 b5 9. Be2 a5 10. Rd1 Be6 11. Qc2 Na6 12. a4 Nb4 13. Qd2 Bb3 14. Rf1 Nc2 15. Rb1 b4 16. Nd1 c5 17. Bd3 Ba2 18. Bxc2 Bxb1 19. Bxb1 c4 20. e4 Qd7 21. d5 Qxa4 22. e5 Ng4 23. Re1 Bh6 24. Ne3 Nxe3 25. fxe3 Rad8 26. Qd4 Qb5 27. Qh4 Bg7 28. e4 f6 29. e6 c3 30. Nd4 Qc5 31. bxc3 Qxc3 32. Nc6 g5 33. Nxe7+ Kh8 34. Ng6+ Kg8 35. Ne7+ Kh8 36. Qf2 f5 37. exf5 Bd4 38. Be3 Bf6 39. Bd2 Qb2 40. Nc6 Rxd5 41. e7 Re8 42. Be3 Qc3 43. Nd4 Rxd4 44. Qg3 Rd7 45. Bb6 Rdxe7 46. Rd1 Re1+ 0-1

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "8"]
[White "Koch, Yannick"]
[Black "Spieker, Hans Joachim"]
[Result "1-0"]
[ECO "D95"]
[WhiteElo "1422"]
[BlackElo "1721"]
[PlyCount "79"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Qb3 dxc4 7. Bxc4 c6 8. 0-0 Qb6 9. Qc2 Nbd7 10. e4 Qd8 11. Rd1 b5 12. Bf1 Nb6 13. Be3 Ng4 14. Bf4 a5 15. d5 cxd5 16. Nxd5 Nxd5 17. Rxd5 Qb6 18. Rxb5 Qf6 19. h3 Nh6 20. Be5 Qe6 21. Bxg7 Kxg7 22. Bc4 Qf6 23. e5 Qf4 24. Qc3 Kg8 25. b3 Ba6 26. Rxa5 Rfc8 27. Rc1 Bxc4 28. Rxa8 Rxa8 29. bxc4 Rxa2 30. e6 f6 31. c5 Qe4 32. c6 Qe2 33. Qc5 Nf5 34. c7 Nd6 35. c8Q+ Nxc8 36. Qxc8+ Kg7 37. Qc5 h5 38. Qxe7+ Kh6 39. Qf8+ Kh7 40. Rc7# 1-0

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "7"]
[White "Koch, Yannick"]
[Black "Stahr, Ralf Peter"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "1422"]
[BlackElo "1923"]
[PlyCount "69"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Bb5+ Bd7 5. a4 a6 6. Bd3 Nf6 7. Nc3 g6 8. Nf3 Bg7 9. Nd2 Nh5 10. Nc4 Qe7 11. a5 Nf4 12. Qf3 h5 13. Bxf4 Bg4 14. Qe3 exf4 15. Qxf4 Be5 16. Nxe5 dxe5 17. Qe3 0-0 18. h3 Bc8 19. Na4 Nd7 20. 0-0 Rb8 21. b3 b5 22. axb6 Nxb6 23. Qxc5 Qa7 24. Nxb6 Rxb6 25. Ra5 Bb7 26. Rfa1 Rc8 27. Qe3 Rc3 28. Qe2 Qb8 29. Bxa6 Bxa6 30. Rxa6 Rxa6 31. Rxa6 Qc7 32. Ra8+ Kg7 33. Ra2 Qc5 34. Qd2 f6 35. d6 1-0

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "9"]
[White "Mittag, Ralf"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2114"]
[BlackElo "1422"]
[PlyCount "137"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 d5 4. Nbd2 Nc6 5. g3 g6 6. Bg2 Bg7 7. 0-0 Nge7 8. Re1 0-0 9. e5 h6 10. h4 Nf5 11. Nf1 b5 12. Bf4 b4 13. Ne3 Nxe3 14. Bxe3 Nxe5 15. Nxe5 Bxe5 16. Bxh6 Bg7 17. Bxg7 Kxg7 18. Qd2 Qf6 19. c3 bxc3 20. bxc3 Bd7 21. Rab1 Rab8 22. c4 Bc6 23. Qa5 Qd4 24. Qxa7 Ra8 25. Qb6 Rxa2 26. Rf1 Ba4 27. cxd5 exd5 28. Rbc1 Rc2 29. Rxc2 Bxc2 30. Qd6 Bb3 31. Rc1 Re8 32. Qxc5 Re1+ 33. Bf1 Qxc5 34. Rxc5 Rd1 35. Kg2 Kf6 36. Be2 Rd2 37. Kf1 Ke5 38. Ke1 Ra2 39. Rc3 Ba4 40. Rc7 Kd4 41. Rxf7 Ra1+ 42. Kd2 Ra2+ 43. Kc1 Rxe2 44. Rf4+ Kxd3 45. Rxa4 Rxf2 46. Rg4 Rf1+ 47. Kb2 d4 48. Rxg6 Kd2 49. h5 Rh1 50. g4 d3 51. h6 Ke1 52. Re6+ Kf2 53. Kc3 Rh3 54. g5 d2+ 55. Kxd2 Kf3 56. g6 Rxh6 57. g7 Rxe6 58. g8Q Rd6+ 59. Kc3 Rf6 60. Qg5 Rf4 61. Kd3 Rg4 62. Qh5 Kf4 63. Qf7+ Kg5 64. Ke3 Rg3+ 65. Ke4 Rg4+ 66. Ke5 Kh4 67. Qf2+ Kg5 68. Qf6+ Kh5 69. Kf5 1-0

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "2"]
[White "Nguyen, Phuc Nhat"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1659"]
[BlackElo "1422"]
[PlyCount "68"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. Be3 Nxd4 9. Bxd4 Bc5 10. 0-0 0-0 11. Bxc5 Qxc5 12. Kh1 Qh5 13. Qxh5 Nxh5 14. f4 d6 15. Rad1 Rd8 16. Rd2 Nf6 17. e5 Ne8 18. exd6 Rxd6 19. Rxd6 Nxd6 20. Rd1 Ne8 21. Rd8 Kf8 22. Na4 Ke7 23. Rd2 Nd6 24. Nb6 Rb8 25. Nxc8+ Rxc8 26. c3 b5 27. Kg1 Nc4 28. Re2 Rd8 29. Kf2 Rd1 30. a3 Rb1 31. Bb7 a5 32. Bc6 Nxb2 33. Bxb5 Nd1+ 34. Ke1 Nxc3+ 0-1

[Event "GER-ch Net blitz qual4"]
[Site "Playchess.com INT"]
[Date "2021.05.10"]
[Round "10"]
[White "Pikal, Alexander"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2036"]
[BlackElo "1422"]
[PlyCount "66"]
[EventDate "2021.05.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. f4 d5 3. Nf3 Bf5 4. e3 c5 5. c3 Nc6 6. Bd3 e6 7. 0-0 Bd6 8. Ne5 Qc7 9. Qc2 Bxd3 10. Qxd3 Ne4 11. Nd2 f5 12. Qe2 0-0 13. Rf3 Bxe5 14. fxe5 Qe7 15. Rh3 Ng5 16. Rg3 Ne4 17. Rh3 Ng5 18. Rg3 Rae8 19. b3 Ne4 20. Rh3 Nxc3 21. Qd3 Ne4 22. Ba3 Nb4 23. Bxb4 cxb4 24. Rf3 Rc8 25. Raf1 Rc3 26. Qe2 Rc2 27. Rd1 Nc3 28. Qe1 Nxd1 29. Qxd1 Rfc8 30. Rf1 Qg5 31. Qe2 R8c3 32. Nf3 Rxe2 33. Nxg5 Rcc2 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "1"]
[White "Goldinger, Peter"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1942"]
[BlackElo "1620"]
[PlyCount "87"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 c6 3. g5 e5 4. d4 e4 5. c4 Bb4+ 6. Nc3 Ne7 7. Qb3 Bxc3+ 8. bxc3 0-0 9. h4 Nd7 10. Nh3 Nb6 11. cxd5 cxd5 12. Nf4 Ng6 13. a4 Qd6 14. Nxg6 Qxg6 15. h5 Qc6 16. h6 g6 17. Bf4 Nc4 18. e3 Be6 19. Rb1 b6 20. Bf1 Rfc8 21. Bxc4 Qxc4 22. Qxc4 Rxc4 23. a5 bxa5 24. Kd2 Rac8 25. Rhc1 a4 26. Rb7 a5 27. Ra7 Bg4 28. Rxa5 Kf8 29. Be5 Ke8 30. Rxd5 Be6 31. Ra5 Bd7 32. Bf6 Be6 33. d5 Bd7 34. Rb1 Bf5 35. Rb4 Rxb4 36. cxb4 Bd7 37. b5 Rb8 38. Rxa4 Bxb5 39. Rxe4+ Kd7 40. Re7+ Kd6 41. Rxf7 Kxd5 42. Rxh7 Ke4 43. Re7+ Kf3 44. h7 1-0

[Event "GER-chT Online Liga 1 GpB"]
[Site "Playchess.com INT"]
[Date "2021.03.22"]
[Round "7.2"]
[White "Koch, Yannick"]
[Black "Stanke, Juergen"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2086"]
[BlackElo "2271"]
[PlyCount "99"]
[EventDate "2021.01.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Hamburger SK II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 Be7 7. Bd3 c6 8. Nge2 h6 9. Bh4 Nh5 10. Bxe7 Qxe7 11. Qc2 Nb6 12. 0-0-0 Bd7 13. Kb1 0-0-0 14. Rc1 Kb8 15. Na4 Nxa4 16. Qxa4 Rhe8 17. Qa5 Nf6 18. Ng3 g6 19. Rc3 b6 20. Rb3 Bc8 21. Rc1 Bb7 22. Qa4 h5 23. Ra3 Ba8 24. Ka1 Rd7 25. b4 Rc7 26. Rac3 Rec8 27. Nf1 Ne8 28. Nd2 Nd6 29. Qa3 Bb7 30. Qb3 g5 31. a4 a6 32. Kb2 g4 33. g3 Qf6 34. R1c2 Ka7 35. b5 c5 36. bxa6 Ba8 37. Bb5 c4 38. Qa3 Qe6 39. Qb4 f5 40. Rc1 Rb8 41. Ra1 Ne4 42. Nxe4 fxe4 43. Rac1 Rf7 44. R3c2 Rbf8 45. Rf1 Rf6 46. a5 R8f7 47. Kc3 bxa5 48. Qxa5 Qb6 49. Qa4 Bc6 50. Rb2 1-0

[Event "GER-chT Online Liga 1 GpB"]
[Site "Playchess.com INT"]
[Date "2021.03.01"]
[Round "5.3"]
[White "Koch, Yannick"]
[Black "Schulze, Marc Andre"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2086"]
[BlackElo "2222"]
[PlyCount "60"]
[EventDate "2021.01.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Hameln"]
[BlackTeam "Plettenberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f3 d6 6. Be3 c6 7. Nge2 a6 8. a4 a5 9. Qd2 Na6 10. g4 h5 11. gxh5 Nxh5 12. Ng3 Nxg3 13. hxg3 f5 14. Bh6 Rf7 15. Bxg7 Rxg7 16. Qh6 Kf7 17. 0-0-0 Nc7 18. g4 fxg4 19. fxg4 Qg8 20. e5 d5 21. Bd3 Be6 22. c5 Ke8 23. Qg5 Kd7 24. Rh6 Rf8 25. Rf1 Rxf1+ 26. Bxf1 Rh7 27. Rxg6 Qf7 28. Be2 Qf2 29. Qd2 Bf7 30. g5 Qg1+ 0-1

[Event "GER-chT Online Liga 1 GpB"]
[Site "Playchess.com INT"]
[Date "2021.02.02"]
[Round "2.3"]
[White "Riedel, Hartmut"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "E44"]
[WhiteElo "1966"]
[BlackElo "2086"]
[PlyCount "81"]
[EventDate "2021.01.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Spandau Zitadelle"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 0-0 10. b4 d6 11. Bb2 Nd7 12. Bd3 Qg5 13. 0-0-0 Qxg2 14. Qc2 Nf6 15. Rhg1 Qxh2 16. d5 e5 17. Rh1 Qxh1 18. Rxh1 g6 19. f4 Rfe8 20. fxe5 dxe5 21. Qh2 h5 22. Qh4 Ng4 23. Qg5 Nf2 24. Bxg6 Nxh1 25. Be4+ Kf8 26. Qh6+ Ke7 27. d6+ cxd6 28. Bxb7 Rab8 29. Bxh1 Rg8 30. Qxh5 Rg1+ 31. Kc2 Rbg8 32. Bd5 R8g7 33. Qh4+ Kd7 34. b5 f5 35. Qf6 R1g5 36. Bc6+ Kc7 37. Qf8 a6 38. bxa6 Kxc6 39. Qc8+ Rc7 40. Qe8+ Kc5 41. Qb5# 1-0

[Event "DSOL 01 Liga Gr-B 1st"]
[Site "Playchess.com INT"]
[Date "2020.07.31"]
[Round "6.2"]
[White "Marcziter, Dmitrii"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "2258"]
[BlackElo "2041"]
[PlyCount "64"]
[EventDate "2020.06.22"]
[EventType "team-tourn (rapid)"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Porz SG"]
[BlackTeam "Hameln"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 b6 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Rc1 Bb7 10. Bc4 Nd7 11. 0-0 Nxc3 12. Rxc3 c5 13. Bb5 Rfd8 14. Qe2 Bxf3 15. Qxf3 cxd4 16. Rc7 Rac8 17. Rxa7 Qd6 18. Rd1 Ne5 19. Qe4 d3 20. f4 Ng4 21. h3 Qc5 22. hxg4 Qxb5 23. Rd2 h5 24. Qb7 Rc1+ 25. Kf2 Qe8 26. Qxb6 Rc2 27. Ke1 e5 28. f5 e4 29. Qb7 Rdc8 30. g5 Rc1+ 31. Rd1 R8c2 32. Rxc1 d2+ 0-1

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "7"]
[White "Bashylina, Luisa"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1947"]
[BlackElo "1778"]
[PlyCount "49"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nf5 d6 7. Ne3 g6 8. Nd5 Bh6 9. Bxh6 Nxh6 10. Bd3 Ng4 11. Nbc3 Qh4 12. Nc7+ Kd8 13. g3 Qh3 14. Nxa8 Qg2 15. Rf1 Nd4 16. Be2 Nxh2 17. Qd3 Nxe2 18. Qxd6+ Bd7 19. Kxe2 Qf3+ 20. Kd2 Nxf1+ 21. Rxf1 Rg8 22. Nd5 Qxe4 23. Qb8+ Bc8 24. Qc7+ Ke8 25. Qe7# 1-0

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "13"]
[White "Closhen, Ingo"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1816"]
[BlackElo "1778"]
[PlyCount "34"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. a4 e6 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Qc7 7. Be2 Nf6 8. Nd2 Be7 9. 0-0 0-0 10. c4 b6 11. Qb1 Bb7 12. Rc1 Rac8 13. f4 Nxd4 14. Bxd4 Bc5 15. Bxc5 Qxc5+ 16. Kf1 Qe3 17. g3 Qxd2 0-1

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "1"]
[White "Isele, Thomas"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "1938"]
[BlackElo "1778"]
[PlyCount "141"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d3 d5 4. Nbd2 Nc6 5. g3 dxe4 6. dxe4 Nf6 7. Bg2 Bg4 8. 0-0 e6 9. c3 Be7 10. Re1 0-0 11. Qc2 Rc8 12. h3 Bh5 13. Nf1 Bg6 14. Bf4 b5 15. Rad1 Qb6 16. a3 b4 17. axb4 cxb4 18. Ne5 bxc3 19. Nxg6 hxg6 20. bxc3 Na5 21. Rb1 Qc5 22. Rec1 Nc4 23. Qa2 a5 24. Nd2 Nxd2 25. Bxd2 Rfd8 26. Be3 Qc4 27. Qxc4 Rxc4 28. Bb6 Rd2 29. e5 Nd5 30. Bxa5 Bc5 31. Rf1 Nxc3 32. Bxc3 Rxc3 33. Rb5 Rcc2 34. Rb8+ Kh7 35. Be4 Bxf2+ 36. Kh1 Ra2 37. Bb1 Ra3 38. Rf8 Bxg3 39. R8xf7 Rh2+ 40. Kg1 Bxe5 41. R7f3 Ra4 42. Re1 Rb2 43. Bxg6+ Kxg6 44. Rxe5 Ra1+ 45. Rf1 Rxf1+ 46. Kxf1 Rb6 47. Kg2 Kf6 48. Re3 e5 49. Kg3 Kf5 50. Rf3+ Ke6 51. Kg4 Rb4+ 52. Kg5 e4 53. Re3 Ke5 54. h4 Kd4 55. Kf4 Kd5 56. Rg3 Rb7 57. Ra3 Rf7+ 58. Kg4 Rc7 59. Ra5+ Rc5 60. Ra3 Kd4 61. Kf4 Rc4 62. Ra8 Kd3 63. Rd8+ Rd4 64. Re8 e3+ 65. Kf3 Rxh4 66. Rxe3+ Kd4 67. Re7 g6 68. Kg3 Rh6 69. Kg4 Kd5 70. Kg5 Rh1 71. Kxg6 1/2-1/2

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "8"]
[White "Koch, Yannick"]
[Black "Blauhut, Holger"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "1778"]
[BlackElo "1920"]
[PlyCount "113"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. g4 Bg6 8. h4 h5 9. g5 Bd6 10. Nh3 Ne7 11. Bd3 Bf5 12. Qc2 Bxh3 13. Rxh3 Qd7 14. Rh1 Na6 15. a3 Bxf4 16. exf4 Qg4 17. Bxa6 bxa6 18. Qe2 Qxe2+ 19. Kxe2 Kd7 20. Na4 Nf5 21. Nc5+ Kd6 22. Kd3 Rhe8 23. Rae1 Rxe1 24. Rxe1 Rb8 25. b4 a5 26. bxa5 Rb2 27. g6 fxg6 28. Re6+ Kc7 29. Rxg6 Nxh4 30. Rxg7+ Kc8 31. Rxa7 Rxf2 32. Ne6 Rf3+ 33. Ke2 Rxa3 34. Rc7+ Kb8 35. Rh7 Nf5 36. Rh8+ Ka7 37. Rf8 Re3+ 38. Kf2 Rxe6 39. Rxf5 Rh6 40. Rf8 h4 41. Kg2 h3+ 42. Kh2 Rh4 43. f5 Rxd4 44. f6 Rf4 45. Kxh3 d4 46. Kg3 Rf1 47. Kg2 Rf5 48. f7 c5 49. Rc8 Rxf7 50. Rxc5 Rd7 51. Rc2 Ka6 52. Kf3 Kxa5 53. Ke4 Kb4 54. Kd3 Kb5 55. Rc4 Kb6 56. Rxd4 Rxd4+ 57. Kxd4 1/2-1/2

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "6"]
[White "Koch, Yannick"]
[Black "Eichler, Gottfried Johannes"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1778"]
[BlackElo "1900"]
[PlyCount "125"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 Ne7 6. e4 Ng6 7. Nge2 Be7 8. Ng3 0-0 9. Be2 a6 10. a4 Bf6 11. 0-0 Nd7 12. Be3 Rb8 13. Qd2 Nde5 14. h3 Bd7 15. f4 Bh4 16. Nh1 Qb6 17. fxe5 Nxe5 18. a5 Qc7 19. Nf2 Qc8 20. Bg5 Bxg5 21. Qxg5 f5 22. Nd3 h6 23. Qg3 Nxd3 24. Bxd3 fxe4 25. Rxf8+ Qxf8 26. Bxe4 Qf6 27. Rf1 Qd4+ 28. Kh1 Rf8 29. Rxf8+ Kxf8 30. Qxd6+ Ke8 31. Bg6+ Kd8 32. Qf8+ Kc7 33. d6+ Qxd6 34. Qxg7 Qd2 35. Qe5+ Qd6 36. Nd5+ Kc6 37. Ne7+ Kc7 38. Qe3 Qd1+ 39. Kh2 Qd6+ 40. g3 Bc6 41. Nf5 Qd1 42. Qe7+ Kb8 43. Qf8+ Ka7 44. Qxc5+ Kb8 45. Qd6+ Qxd6 46. Nxd6 Kc7 47. Nf5 Be4 48. Nh4 Bd5 49. Bd3 Kc6 50. Nf5 Kc5 51. Nxh6 Kb4 52. Bc2 Kxa5 53. g4 b5 54. g5 Kb4 55. g6 a5 56. g7 a4 57. g8Q Bxg8 58. Nxg8 a3 59. bxa3+ Kxa3 60. h4 b4 61. h5 b3 62. Bxb3 Kxb3 63. h6 1-0

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "4"]
[White "Koch, Yannick"]
[Black "Engemann, Till"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1778"]
[BlackElo "1953"]
[PlyCount "82"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Be2 b6 9. 0-0 Bb7 10. Bb2 Qe7 11. Rfd1 Rfd8 12. Bf1 Rac8 13. Rac1 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. cxd5 Nxd5 17. Nxd5 cxd5 18. Qb1 Qf6 19. Bxe5 Qxe5 20. Rd4 g6 21. Rcd1 Rc5 22. g3 Rdc8 23. Bg2 h5 24. h4 Rc2 25. Bxd5 Qf5 26. Rf4 Qxd5 27. Rxd5 Bxd5 28. Rc4 Bxc4 29. bxc4 R8xc4 30. Qb5 Rc5 31. Qe8+ Kg7 32. Kg2 Rxa2 33. g4 hxg4 34. Kg3 a5 35. Qd8 a4 36. Qxb6 Rcc2 37. Qd4+ Kh7 38. Qxg4 Rxf2 39. Qc4 Rg2+ 40. Kf4 Raf2+ 41. Ke4 Rg4+ 0-1

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "2"]
[White "Koch, Yannick"]
[Black "Fabregas, Oliver"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "1778"]
[BlackElo "1940"]
[PlyCount "91"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e4 0-0 6. Bd3 h6 7. e5 Ne8 8. Nf3 Bb7 9. Qe2 d6 10. 0-0 Bxc3 11. bxc3 Nd7 12. Bc2 dxe5 13. Nxe5 Nxe5 14. Qxe5 Qd6 15. Qe3 Nf6 16. a4 a5 17. Ba3 Qc6 18. Qg3 Rfd8 19. f3 Qxc4 20. Be7 Nh5 21. Qh4 Rd7 22. Rac1 Re8 23. Ba3 Nf6 24. Qg3 Rd5 25. Be4 Rg5 26. Qf4 Nd5 27. Qh4 Ba6 28. Rf2 f5 29. Bb1 Kh8 30. f4 Rg4 31. Qh5 Nf6 32. Qf7 Rg8 33. h3 Rh4 34. Kh2 Ne4 35. Rb2 Qd5 36. Bxe4 Qxe4 37. g3 Rh5 38. Qxh5 Bb7 39. Qe2 Qd5 40. c4 Qd7 41. Rd2 Be4 42. Rcd1 Qxa4 43. Bb2 Qb3 44. Qh5 a4 45. d5 a3 46. Qxh6# 1-0

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "9"]
[White "Koch, Yannick"]
[Black "Lucas, Michael"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1778"]
[BlackElo "1863"]
[PlyCount "94"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. d5 a6 8. a4 e6 9. Nge2 Re8 10. Qd2 exd5 11. cxd5 Nbd7 12. Ng3 h5 13. Be2 Rb8 14. 0-0 Ne5 15. h3 Ned7 16. Nh1 Rf8 17. Nf2 Ne8 18. f4 Nc7 19. Bf3 b5 20. axb5 axb5 21. e5 b4 22. Nce4 Nb5 23. e6 Nf6 24. exf7+ Rxf7 25. Ng5 Re7 26. Rfe1 Bd7 27. Nfe4 Bf5 28. Nxf6+ Bxf6 29. Ne6 Bxe6 30. dxe6 Nd4 31. Bd5 Nf5 32. Bf2 Kg7 33. Ra6 Rb6 34. Ra8 Rb8 35. Ra6 h4 36. Rea1 Bd4 37. Kh2 Rc8 38. Ra8 Qf8 39. Rxc8 Qxc8 40. Ra8 Qc7 41. Bxd4+ Nxd4 42. f5 Nxf5 43. Qg5 c4 44. g4 hxg3+ 45. Kg2 Qc5 46. Be4 Qf2+ 47. Kh1 Qh2# 0-1

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "11"]
[White "Koch, Yannick"]
[Black "Wulff, Joerg"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1778"]
[BlackElo "1888"]
[PlyCount "98"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nge2 Bg7 8. Ng3 0-0 9. Be2 a6 10. a4 Nbd7 11. 0-0 Rb8 12. Be3 h5 13. f3 Re8 14. Qd2 h4 15. Nh1 Nh5 16. Nf2 Qc7 17. f4 Ndf6 18. e5 dxe5 19. d6 Qa5 20. fxe5 Rxe5 21. Bxh5 Rxh5 22. Nfe4 Nxe4 23. Nxe4 Qxd2 24. Bxd2 Bd4+ 25. Kh1 Bxb2 26. Nf6+ Bxf6 27. Rxf6 Rf5 28. Rxf5 Bxf5 29. Rc1 Rd8 30. Bf4 Rc8 31. a5 c4 32. Rc3 Re8 33. h3 Rc8 34. Bg5 Rc6 35. Bxh4 Rxd6 36. Rxc4 Kg7 37. Bg3 Rd7 38. Be5+ f6 39. Bc3 Kf7 40. Kh2 Ke6 41. g4 Bd3 42. Rc8 f5 43. gxf5+ Bxf5 44. h4 Kd5 45. Kg3 Re7 46. Bf6 Re3+ 47. Kf4 Re4+ 48. Kg3 Rg4+ 49. Kf3 Bxc8 0-1

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "10"]
[White "Lang, Alexander"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "1842"]
[BlackElo "1778"]
[PlyCount "76"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Be7 7. cxd5 exd5 8. Nf4 c6 9. Be2 Bf5 10. 0-0 Nbd7 11. b4 a6 12. Bb2 Re8 13. Rc1 Nf8 14. Bd3 Bxd3 15. Nxd3 Ng6 16. Nc5 b5 17. Nd3 Nd7 18. Ne2 Rc8 19. Rc2 Nb6 20. Nc5 Ra8 21. Nb7 Qc7 22. Na5 Nc4 23. Nxc4 bxc4 24. Nc3 Reb8 25. f3 a5 26. b5 cxb5 27. Nxd5 Qd7 28. Nc3 b4 29. Nb1 c3 30. Bc1 Rc8 31. Qe1 Rc7 32. Kh1 Rac8 33. f4 Qb5 34. f5 Nf8 35. e4 Qd3 36. Qd1 Qxd1 37. Rxd1 b3 38. Re2 c2 0-1

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "3"]
[White "Lehmann, Ruben"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "E47"]
[WhiteElo "1742"]
[BlackElo "1778"]
[PlyCount "56"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nge2 c5 7. 0-0 cxd4 8. exd4 0-0 9. Bg5 Be7 10. Bc2 d5 11. cxd5 Nxd5 12. Bxe7 Qxe7 13. Nxd5 Bxd5 14. Qd3 g6 15. Ng3 Nd7 16. f4 Rac8 17. b3 Qb4 18. Ne2 Nf6 19. a3 Qd6 20. Ng3 Qc6 21. Rac1 Qc3 22. Ne2 Qb2 23. f5 Be4 24. Qg3 exf5 25. Bxe4 Nxe4 26. Qh3 Qxe2 27. Rxc8 Rxc8 28. g4 Qxg4+ 0-1

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "5"]
[White "Ochmann, Reimund"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1868"]
[BlackElo "1778"]
[PlyCount "90"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Nc6 6. Be2 e6 7. 0-0 Be7 8. Be3 cxd4 9. cxd4 a6 10. Nc3 Qd6 11. Rc1 0-0 12. a3 b5 13. Qd2 Bb7 14. Bf4 Qd7 15. Rfd1 Rfd8 16. Qe1 Nd5 17. Bg3 Bf6 18. Ne5 Bxe5 19. dxe5 Nce7 20. Ne4 Nf5 21. Nc5 Qe7 22. Nxb7 Qxb7 23. Bf3 Nxg3 24. hxg3 Rd7 25. b4 h6 26. Rc5 Rad8 27. Rdc1 Qb8 28. Qe4 Rc7 29. Qh4 Rxc5 30. Rxc5 Nb6 31. Rc6 Nc4 32. Rxa6 Nxe5 33. Ra8 Nxf3+ 34. gxf3 Qxa8 35. Qe7 Qb8 36. Kg2 Rd5 37. Qh4 Qd8 38. Qe4 Rd4 39. Qc6 Qd5 40. Qe8+ Kh7 41. Qxf7 Rd3 42. Qf8 Rxa3 43. g4 Rb3 44. Kg3 Qe5+ 45. Kg2 Qf6 0-1

[Event "GER Cup Net Final-B U2000"]
[Site "Playchess.com INT"]
[Date "2020.06.06"]
[Round "12"]
[White "Stumpf, Daniel"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1818"]
[BlackElo "1778"]
[PlyCount "107"]
[EventDate "2020.06.06"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 197 Extra"]
[Source "ChessBase"]
[SourceDate "2020.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.09.30"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. e3 c5 4. cxd5 exd5 5. d4 Nf6 6. Nf3 Be7 7. b3 Nc6 8. Bb2 Bg4 9. Bb5 0-0 10. 0-0 cxd4 11. exd4 Bxf3 12. Qxf3 Nxd4 13. Qd3 Nxb5 14. Nxb5 a6 15. Nd4 Rc8 16. Rfe1 Bb4 17. Re2 Re8 18. Rxe8+ Qxe8 19. Nf5 Qe6 20. Rd1 Re8 21. h3 Bc5 22. Bxf6 Qxf6 23. Qxd5 Bb6 24. Qd7 Qe6 25. Qxe6 Rxe6 26. Rd7 g6 27. Nh6+ Kg7 28. Nxf7 Re1+ 29. Kh2 Bxf2 30. Ne5+ Kh6 31. Ng4+ Kg5 32. Nxf2 Re2 33. Rd5+ Kh6 34. Ng4+ Kg7 35. Rd7+ Kf8 36. Rxh7 Rxa2 37. Rxb7 Ra3 38. b4 Ra4 39. Rb6 Kf7 40. Ne5+ Ke7 41. Nxg6+ Kd7 42. Ne5+ Kc7 43. Rg6 Rxb4 44. Rxa6 Re4 45. Ng4 Kd7 46. Nf6+ Ke7 47. Nxe4 Kf7 48. h4 Kg7 49. Kh3 Kh7 50. Kg4 Kg7 51. Kg5 Kh7 52. Ra7+ Kh8 53. Kg6 Kg8 54. Ra8# 1-0

[Event "GER Cup Net V4 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.31"]
[Round "4"]
[White "Grosse, Manfred"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1713"]
[BlackElo "1810"]
[PlyCount "70"]
[EventDate "2020.05.31"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Qb6 6. dxc5 Bxc5 7. Qc2 Qc7 8. Qe2 Nge7 9. b4 Bb6 10. Bf4 Ng6 11. Bg3 Bd7 12. a4 a6 13. h4 Nge7 14. a5 Ba7 15. Nbd2 Nf5 16. Bh2 Nd8 17. Rc1 Bb5 18. c4 dxc4 19. Nxc4 0-0 20. Qb2 Rc8 21. Be2 Nc6 22. 0-0 Qe7 23. Nd6 Nxd6 24. exd6 Qd7 25. Bxb5 axb5 26. Rfd1 f6 27. Qb3 Kh8 28. h5 e5 29. h6 Nd4 30. hxg7+ Qxg7 31. Nxd4 Bxd4 32. Rxc8 Rxc8 33. Qe6 Rd8 34. Kf1 Rg8 35. Bg3 h5 0-1

[Event "GER Cup Net V4 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.31"]
[Round "2"]
[White "Koch, Yannick"]
[Black "Dietrich, Leif"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1810"]
[BlackElo "1768"]
[PlyCount "62"]
[EventDate "2020.05.31"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 Nc6 6. Ngf3 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Be2 0-0 10. 0-0 a5 11. Nb3 d6 12. a3 Bc5 13. Nxc5 dxc5 14. Qc2 Ng6 15. Bg3 Be6 16. Bf3 c6 17. Rfd1 Rad8 18. b3 Qf6 19. Bd6 Bf5 20. e4 Rxd6 21. exf5 Ne5 22. Be4 Rfd8 23. Rxd6 Rxd6 24. Re1 h6 25. g3 Nd7 26. Qe2 Nf8 27. Qe3 Rd4 28. Bc2 Qd6 29. Qe8 Rd2 30. Bb1 Rb2 31. Qe3 Rd2 0-1

[Event "GER Cup Net V4 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.31"]
[Round "7"]
[White "Koch, Yannick"]
[Black "Grund, Erwin"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "1810"]
[BlackElo "1723"]
[PlyCount "151"]
[EventDate "2020.05.31"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Nf6 6. Bg5 Be7 7. Bxf6 Bxf6 8. Nf3 0-0 9. Be2 Nd7 10. 0-0 b6 11. d5 cxd5 12. cxd5 exd5 13. Qxd5 Rb8 14. Rfd1 Bxb2 15. Rab1 Ba3 16. Rb3 Qe7 17. Nd6 Bxd6 18. Re3 Qf6 19. Qxd6 Qxd6 20. Rxd6 Nc5 21. Bc4 Be6 22. Bxe6 Nxe6 23. Rd7 Rfd8 24. Rxa7 Rd1+ 25. Re1 Rxe1+ 26. Nxe1 Nc5 27. g3 g6 28. Nf3 Rd8 29. Ne5 f6 30. Nc6 Rd1+ 31. Kg2 Rd2 32. Kf3 Rc2 33. Ne7+ Kf8 34. Nd5 f5 35. Nxb6 Ne4 36. Nd7+ Ke8 37. Kf4 Rxf2+ 38. Ke5 Rxh2 39. Ke6 Ng5+ 40. Kf6 Ne4+ 41. Ke5 Re2 42. Nf6+ Nxf6+ 43. Kxf6 Re3 44. Rxh7 Rxg3 45. a4 f4 46. Re7+ Kd8 47. a5 f3 48. Ke6 f2 49. Rf7 Re3+ 50. Kd6 Rd3+ 51. Ke6 Rd2 52. a6 Ra2 53. a7 Rxa7 54. Rxf2 Ra6+ 55. Ke5 Ke7 56. Rb2 Ra5+ 57. Kf4 Rf5+ 58. Kg4 Kf6 59. Rb4 Kg7 60. Ra4 Kh6 61. Rb4 Rc5 62. Ra4 Rc1 63. Rb4 Rg1+ 64. Kh3 g5 65. Rb3 Kh5 66. Ra3 Re1 67. Kg2 g4 68. Ra2 Kh4 69. Rb2 Re3 70. Ra2 Rb3 71. Rc2 Rf3 72. Ra2 Rf5 73. Rc2 g3 74. Rc4+ Kg5 75. Kxg3 Rd5 76. Rc3 1/2-1/2

[Event "GER Cup Net V4 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.31"]
[Round "5"]
[White "Koch, Yannick"]
[Black "Lange, Stephan"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "1810"]
[BlackElo "2258"]
[PlyCount "112"]
[EventDate "2020.05.31"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 e5 5. Nge2 Ne7 6. Be3 Nd7 7. Nc1 0-0 8. Be2 Nc6 9. Nb3 f5 10. exf5 gxf5 11. d5 Ne7 12. 0-0 Qe8 13. f4 e4 14. Bd4 Nf6 15. Qd2 a6 16. Rad1 Bd7 17. Qe3 Qg6 18. Kh1 Kh8 19. c5 Rg8 20. cxd6 cxd6 21. Rg1 Raf8 22. Na5 Bc8 23. Nc4 Ne8 24. Bxg7+ Rxg7 25. Qd4 h6 26. Nb6 Qf6 27. Nc4 Qg6 28. g4 fxg4 29. Rxg4 Bxg4 30. Ne3 Bxe2 31. Nxe2 Kh7 32. Rg1 Qf6 33. Qxe4+ Kh8 34. Rf1 Nc7 35. f5 Ng8 36. Nf4 Qe5 37. Qxe5 dxe5 38. Ng6+ Rxg6 39. fxg6 Rxf1+ 40. Nxf1 Nxd5 41. Kg2 Kg7 42. Kf3 Ngf6 43. Ng3 Kxg6 44. h4 Kf7 45. Nf5 h5 46. Nd6+ Ke6 47. Nxb7 Nd7 48. a3 N5f6 49. Nd8+ Kd5 50. Nf7 Kc4 51. Ng5 Kb3 52. Ke3 Kxb2 53. a4 Ka3 54. a5 Ka4 55. Nf3 Kxa5 56. Kd3 e4+ 0-1

[Event "GER Cup Net V4 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.31"]
[Round "1"]
[White "Koch, Yannick"]
[Black "Nagy, Zoltan1"]
[Result "1-0"]
[ECO "D95"]
[WhiteElo "1810"]
[BlackElo "1632"]
[PlyCount "77"]
[EventDate "2020.05.31"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Qb3 dxc4 7. Bxc4 h6 8. 0-0 a6 9. a4 Nc6 10. a5 Rb8 11. Rd1 Qd6 12. e4 Qb4 13. e5 Qxb3 14. Bxb3 Ne8 15. h3 Bf5 16. Bf4 Rc8 17. d5 Nb4 18. g4 Bc2 19. Bxc2 Nxc2 20. Ra4 g5 21. Bg3 b6 22. Rd2 b5 23. Re4 b4 24. Rxc2 bxc3 25. Rxc3 Rb8 26. b3 Rb5 27. Rd3 Rxa5 28. Rc4 e6 29. d6 cxd6 30. exd6 Rd5 31. Rxd5 exd5 32. Rc8 Nf6 33. Rc6 Ra8 34. Nd4 Ne4 35. Nf5 Bf6 36. Kg2 Kh7 37. f3 Nc3 38. d7 Kg6 39. Rc8 1-0

[Event "GER Cup Net V4 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.31"]
[Round "8"]
[White "Koch, Yannick"]
[Black "Stangl, Anita"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1810"]
[BlackElo "1763"]
[PlyCount "106"]
[EventDate "2020.05.31"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 c6 4. e3 f5 5. Bd3 Bd6 6. Nge2 Nf6 7. f3 0-0 8. 0-0 e5 9. e4 dxe4 10. fxe4 exd4 11. e5 Bxe5 12. Nb1 Qd6 13. Bf4 Ne4 14. Nd2 Nc5 15. Nb3 Nxd3 16. Qxd3 c5 17. Rae1 Nc6 18. a3 Be6 19. g3 Bxf4 20. Nxf4 Bf7 21. Qxf5 Bxc4 22. Qxc5 Qxc5 23. Nxc5 Bxf1 24. Rxf1 b6 25. Nce6 Rf7 26. Rc1 Ne5 27. Nxd4 Rd8 28. Nde6 Re8 29. Re1 Nc4 30. Re2 h6 31. Rc2 b5 32. a4 a6 33. axb5 axb5 34. h4 Rfe7 35. h5 Rxe6 36. Nxe6 Rxe6 37. b3 Ne5 38. Rc5 Nf3+ 39. Kf2 Nd4 40. b4 Re2+ 41. Kf1 Rb2 42. Rd5 Rxb4 43. Kf2 Ne6 44. Re5 Kf7 45. Rf5+ Ke7 46. Ke3 Rg4 47. Kf2 Rg5 48. Rf3 Rxh5 49. Ra3 Rf5+ 50. Ke3 Kf6 51. Ra5 b4 52. Ra4 Rb5 53. g4 Kg5 0-1

[Event "GER Cup Net V4 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.31"]
[Round "3"]
[White "Meyer, Irmin"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1587"]
[BlackElo "1810"]
[PlyCount "66"]
[EventDate "2020.05.31"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. d4 e6 4. exd5 exd5 5. Bb5+ Nc6 6. Nf3 Nf6 7. 0-0 Be7 8. dxc5 0-0 9. Bg5 Be6 10. Nbd2 Bxc5 11. Nb3 Bb6 12. Bd3 h6 13. Bh4 Bg4 14. h3 Be6 15. Bg3 Ne4 16. Bh2 Qf6 17. Qe2 Rfe8 18. Rad1 Rad8 19. Bxe4 dxe4 20. Rxd8 Qxd8 21. Nfd2 f5 22. Nc4 Bc7 23. Bxc7 Qxc7 24. Rd1 Qf7 25. Ncd2 Ne5 26. Nd4 Nd3 27. Nxe6 Qxe6 28. b3 Qc6 29. Nc4 b5 30. Ne3 Qc8 31. Nd5 Qe6 32. Ne3 f4 33. Ng4 Qc6 0-1

[Event "GER Cup Net V4 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.31"]
[Round "9"]
[White "Mueller, Wolfgang2"]
[Black "Koch, Yannick"]
[Result "1-0"]
[ECO "B83"]
[WhiteElo "1824"]
[BlackElo "1810"]
[PlyCount "71"]
[EventDate "2020.05.31"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 Nf6 7. 0-0 Be7 8. Be3 d6 9. Kh1 0-0 10. f4 Nxd4 11. Bxd4 e5 12. Be3 exf4 13. Bxf4 Be6 14. Bf3 Nd7 15. Nd5 Bxd5 16. exd5 Ne5 17. Be4 Bf6 18. g3 Nc4 19. c3 Nxb2 20. Qc2 Qxc3 21. Bxh7+ Kh8 22. Rab1 g6 23. Bxg6 fxg6 24. Qxg6 Bg7 25. Rf2 Qd4 26. Qh5+ Kg8 27. Rfxb2 Qe4+ 28. Kg1 Bxb2 29. Rxb2 Qd4+ 30. Rf2 Rf7 31. Qg6+ Qg7 32. Qxd6 Raf8 33. Qe6 Kh8 34. Be5 Rxf2 35. Qh6+ Kg8 36. Qxg7# 1-0

[Event "GER Cup Net V4 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.31"]
[Round "6"]
[White "Platz, Daniel1"]
[Black "Koch, Yannick"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "1708"]
[BlackElo "1810"]
[PlyCount "124"]
[EventDate "2020.05.31"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ncb5 Qb8 7. Be3 a6 8. Nc3 Qc7 9. a3 Nf6 10. f3 Nxd4 11. Bxd4 Bc5 12. Be2 b5 13. 0-0 Bb7 14. Kh1 Bxd4 15. Qxd4 Rc8 16. Rad1 Qc5 17. Qxc5 Rxc5 18. g4 h6 19. Kg2 Bc6 20. Rd3 a5 21. b4 axb4 22. axb4 Rc4 23. Rb1 0-0 24. Rb3 Ra8 25. Rd1 d5 26. Bxc4 bxc4 27. Rb2 dxe4 28. Nxe4 Nxe4 29. fxe4 Bxe4+ 30. Kf2 c3 31. Rbb1 Bxc2 32. Ra1 Rc8 33. Rd7 Bg6 34. Ke3 Rb8 35. Rd4 c2 36. Rc1 Rb5 37. Kd2 e5 38. Rd8+ Kh7 39. Kc3 Rb7 40. Kc4 Rc7+ 41. Kb5 Rc3 42. Ka4 Rc4 43. Kb3 Rxg4 44. b5 Be4 45. b6 Rg6 46. Rb8 Rd6 47. Kc3 Rd1 48. Kb2 Rd6 49. Rxc2 Bxc2 50. Kxc2 Rd5 51. b7 Rb5 52. Kc3 e4 53. Kc4 Rb1 54. Kc5 e3 55. Kc6 e2 56. Re8 Rc1+ 57. Kd7 Rd1+ 58. Kc7 Rc1+ 59. Kd6 Rd1+ 60. Kc6 Rc1+ 61. Kd7 Rd1+ 62. Kc6 Rc1+ 1/2-1/2

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "1"]
[White "Bolz, Jannis"]
[Black "Koch, Yannick"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1640"]
[BlackElo "1831"]
[PlyCount "88"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. b4 b6 3. a3 Bb7 4. d3 d6 5. Nf3 Nf6 6. Be2 g6 7. 0-0 Bg7 8. c3 0-0 9. Qc2 Nbd7 10. Nbd2 Rc8 11. Nc4 d5 12. exd5 Nxd5 13. Ne3 Nxc3 14. Bb2 Nxe2+ 15. Qxe2 Bxf3 16. gxf3 Ne5 17. f4 Qxd3 18. Qxd3 Nxd3 19. Bxg7 Kxg7 20. Nd5 e6 21. Ne3 Nxf4 22. bxc5 Rxc5 23. f3 Rd8 24. Rad1 Rxd1 25. Rxd1 Rc3 26. Ng4 Rxa3 27. Ne5 Kf6 28. Nd7+ Ke7 29. Ne5 Nd5 30. Nc4 Ra2 31. Re1 b5 32. Ne5 Kd6 33. Nxf7+ Ke7 34. Ng5 Nc7 35. Rb1 a5 36. Ne4 b4 37. Nc5 Nd5 38. Nb7 a4 39. Na5 b3 40. Nc4 Nc3 41. Rc1 a3 42. Kf1 b2 43. Rxc3 b1Q+ 44. Rc1 Qxc1# 0-1

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "3"]
[White "Koch, Yannick"]
[Black "Bascheck, Ralf"]
[Result "1-0"]
[ECO "D95"]
[WhiteElo "1831"]
[BlackElo "1487"]
[PlyCount "69"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Qb3 dxc4 7. Bxc4 c6 8. 0-0 Nbd7 9. Ng5 e6 10. Bxe6 fxe6 11. Nxe6 Qe7 12. Nc7+ Kh8 13. Nxa8 b6 14. Nc7 Nb8 15. Na8 Bb7 16. Nxb6 axb6 17. Qxb6 Na6 18. e4 Nb4 19. Bg5 h6 20. Bxf6 Rxf6 21. e5 Re6 22. Ne4 c5 23. Nd6 cxd4 24. Qxb7 Bxe5 25. Qxe7 Rxe7 26. Nc4 Bg7 27. Rfe1 Rc7 28. Ne5 d3 29. Rad1 d2 30. Nxg6+ Kh7 31. Nf8+ Bxf8 32. Rxd2 Nc2 33. Rc1 Bb4 34. Rdxc2 Rxc2 35. Rxc2 1-0

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "5"]
[White "Koch, Yannick"]
[Black "Ho, Ngoc Hai Dang"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1831"]
[BlackElo "1754"]
[PlyCount "89"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[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. Qc3 Ng6 13. Bg3 Bd7 14. Rfc1 Bc6 15. c5 d5 16. b4 Bd7 17. b5 Be6 18. c6 b6 19. Qd4 Rfe8 20. a4 Rad8 21. Ra2 Bf5 22. Rca1 f6 23. a5 Ne5 24. axb6 axb6 25. Ra7 Bg6 26. h3 Bf7 27. R1a6 Qf8 28. Rxc7 Qc5 29. Rxb6 Qxd4 30. exd4 Nxc6 31. bxc6 Rxe2 32. Rbb7 Rf8 33. Bd6 Rd8 34. Bc5 Bg6 35. Rxg7+ Kh8 36. Rbe7 Rxe7 37. Rxe7 Rc8 38. c7 Bf5 39. Bd6 Kg8 40. Bf4 Kf8 41. Re3 Kf7 42. g4 Be4 43. f3 Bg6 44. Rb3 f5 45. Rb8 1-0

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "9"]
[White "Koch, Yannick"]
[Black "Niebergall, Gerhard"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1831"]
[BlackElo "1825"]
[PlyCount "84"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 Nbd7 8. Bd3 h6 9. Bh4 Nh5 10. Bxe7 Qxe7 11. Nge2 Nb6 12. 0-0-0 Bd7 13. Kb1 0-0-0 14. Rc1 Kb8 15. Na4 Nxa4 16. Qxa4 Nf6 17. Qa5 Ne4 18. Rhf1 Nd6 19. Rc3 Bf5 20. Bxf5 Nxf5 21. Ra3 a6 22. Qb6 Ka8 23. Rc1 Nd6 24. Nc3 Nc4 25. Rxa6+ bxa6 26. Qxa6+ Qa7 27. Qxc6+ Qb7 28. Qa4+ Kb8 29. b3 Nb6 30. Qb5 Rc8 31. a4 Nd7 32. Qa5 Rc7 33. b4 Rhc8 34. Kb2 Qb6 35. Qxd5 Qxb4+ 36. Ka1 Rxc3 37. Rb1 Ra3+ 38. Qa2 Rxa2+ 39. Kxa2 Qxb1+ 40. Kxb1 Nb6 41. a5 Nc4 42. a6 Ka7 0-1

[Event "GER Cup Net V3 U2000"]
[Site "Playchess.com INT"]
[Date "2020.05.27"]
[Round "2"]
[White "Koch, Yannick"]
[Black "Schmitt, Roland"]
[Result "1-0"]
[ECO "D95"]
[WhiteElo "1831"]
[BlackElo "1682"]
[PlyCount "85"]
[EventDate "2020.05.27"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Qb3 dxc4 7. Bxc4 Nc6 8. Be2 e5 9. d5 Na5 10. Qa4 b6 11. e4 Re8 12. 0-0 Bd7 13. Bb5 Bxb5 14. Qxb5 Qd7 15. Qxd7 Nxd7 16. b3 Nb7 17. Be3 h6 18. Rac1 a6 19. Na4 Rac8 20. Rc2 Nd6 21. Nd2 f5 22. f3 Nf6 23. Nc3 Bf8 24. Rfc1 Kg7 25. Nc4 Nxc4 26. bxc4 c5 27. Rb2 Rb8 28. Rcb1 Nd7 29. Na4 b5 30. cxb5 axb5 31. Rxb5 Ra8 32. Nc3 Ra7 33. Rb7 Rea8 34. R1b3 Bd6 35. Nb5 Rxa2 36. Nxd6 Ra1+ 37. Kf2 f4 38. Rxd7+ Kg8 39. Bd2 R1a2 40. Ke2 R2a7 41. Rxa7 Rxa7 42. Rb7 Ra2 43. Rc7 1-0

