[Event "GER-ch U25 op-A"]
[Site "Willingen"]
[Date "2024.05.22"]
[Round "5"]
[White "Koehler, Lukas"]
[Black "Meiwes, Thore"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2039"]
[BlackElo "2050"]
[PlyCount "114"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 0-0 10. Qd2 Be6 11. 0-0 Qa5 12. Rab1 Rfc8 13. b3 a6 14. Rfc1 Rab8 15. f3 Qb4 16. a3 Qa5 17. a4 Qb4 18. Nd5 Nxd5 19. cxd5 Qxd2 20. Bxd2 Bd4+ 21. Kf1 Bd7 22. Rxc8+ Rxc8 23. Rc1 Rxc1+ 24. Bxc1 f5 25. Bd3 fxe4 26. fxe4 Kf7 27. h3 Kf6 28. Bf4 g5 29. Bh2 h5 30. Ke2 g4 31. hxg4 Bxg4+ 32. Kd2 Kg5 33. Bg3 h4 34. Bh2 Be5 35. Bg1 Bg3 36. Bc2 Bh5 37. Ke3 Bf4+ 38. Kd3 Bg4 39. Bf2 Be5 40. Be3+ Kf6 41. Bf2 Bg3 42. Bd4+ Kf7 43. Bb6 Bh5 44. Be3 e6 45. dxe6+ Kxe6 46. Bd4 Kd7 47. b4 b5 48. axb5 axb5 49. Kd2 Bf7 50. Bd1 Bc4 51. Bc3 Bf4+ 52. Ke1 Ke7 53. Kf2 Bg3+ 54. Kf3 d5 55. Bc2 Ke6 56. exd5+ Bxd5+ 57. Be4 Bb3 1/2-1/2

[Event "GER-ch U25 op-A"]
[Site "Willingen"]
[Date "2024.05.22"]
[Round "6"]
[White "Vollbehr, Bjarne"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1927"]
[BlackElo "2039"]
[PlyCount "133"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Bg5 Nbd7 7. Nf3 a6 8. a4 e5 9. d5 h6 10. Be3 Nc5 11. Bd3 a5 12. Bc2 Nh5 13. Qd2 Nf4 14. 0-0-0 Nxg2 15. Bxh6 Bxh6 16. Qxh6 Qf6 17. Ng5 Qg7 18. Qxg7+ Kxg7 19. Nb5 Na6 20. Nf3 Rh8 21. c5 Nxc5 22. Nxc7 Rb8 23. Nb5 Rd8 24. Nd2 Kf6 25. Nc4 Ke7 26. b3 b6 27. h4 Nf4 28. f3 Rd7 29. Kd2 Ba6 30. Rdg1 Bxb5 31. axb5 Rdd8 32. Ra1 Rb7 33. Ke3 Rh8 34. Kf2 Rc8 35. Ke3 Ng2+ 36. Kf2 Nf4 37. Ke3 Kd7 38. Rag1 Rh8 39. Rg4 Rc8 40. Ra1 Ke7 41. Rgg1 Rh8 42. Rg4 Kd7 43. Rag1 Kc7 44. Ra1 Rbb8 45. Nb2 Rh7 46. Na4 Rhh8 47. Nxc5 dxc5 48. Rh1 Kd6 49. Bd3 Rh7 50. Rxf4 exf4+ 51. Kxf4 Rh5 52. Kg4 Rbh8 53. f4 f5+ 54. exf5 gxf5+ 55. Bxf5 a4 56. bxa4 Kxd5 57. Bg6 R5h6 58. Kg5 c4 59. h5 Kd4 60. f5 Kd3 61. f6+ Kd2 62. f7 c3 63. Rh2+ Kd1 64. Kf6 Rxg6+ 65. Kxg6 c2 66. Rxc2 Kxc2 67. h6 1-0

[Event "GER-ch U25 op-A"]
[Site "Willingen"]
[Date "2024.05.21"]
[Round "4"]
[White "Werner, Florin"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "C79"]
[WhiteElo "1893"]
[BlackElo "2039"]
[PlyCount "86"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 a6 6. Ba4 d6 7. d4 Bd7 8. Re1 b5 9. Bb3 Nf6 10. h3 0-0 11. Nbd2 h6 12. Nf1 Re8 13. Ng3 Na5 14. Bc2 c5 15. d5 Rf8 16. Nh2 Ne8 17. Ng4 Kh7 18. f4 Qh4 19. Qf3 Bxg4 20. Qxg4 Qxg4 21. hxg4 exf4 22. Bxf4 Nc4 23. Bc1 b4 24. cxb4 cxb4 25. Rb1 Nf6 26. b3 Na3 27. Bxa3 bxa3 28. Bd1 Rac8 29. Bf3 Nd7 30. Rbd1 Rc2 31. Re2 Rfc8 32. Rdd2 Rb2 33. Kf2 Rc1 34. b4 Ra1 35. Rd3 Raxa2 36. Kf1 Ne5 37. Rde3 Nxf3 38. gxf3 Rxe2 39. Nxe2 Rxe2 40. Rxa3 Rb2 41. Rxa6 Be5 42. Ra7 Kg7 43. Rb7 h5 0-1

[Event "GER-ch U25 op-A"]
[Site "Willingen"]
[Date "2024.05.20"]
[Round "3"]
[White "Koehler, Lukas"]
[Black "Schulz, Dennis"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2039"]
[BlackElo "1959"]
[PlyCount "47"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 Qa5+ 8. Nd2 Ne7 9. Ngf3 Qa6 10. c4 Nf5 11. 0-0 c5 12. Rfd1 Nc6 13. dxc5 Bxc5 14. a3 Qb6 15. cxd5 Bxf2+ 16. Kh1 Ng3+ 17. Kh2 exd5 18. Bf4 Ne4 19. Nxe4 dxe4 20. Qd7+ Kf8 21. e6 fxe6 22. Bd6+ Kg8 23. Qxe6+ Kh7 24. Ng5# 1-0

[Event "GER-ch U25 op-A"]
[Site "Willingen"]
[Date "2024.05.19"]
[Round "2"]
[White "Kliashtornyi, Arkadii"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1968"]
[BlackElo "2039"]
[PlyCount "77"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Bb4 6. e3 h6 7. Bh4 c6 8. Bd3 0-0 9. Qc2 Re8 10. Nf3 Nbd7 11. 0-0 Be7 12. Bg3 Nf8 13. h3 Bd6 14. Ne5 Nh5 15. Bh2 g6 16. f4 Ng7 17. Rf3 Bf5 18. g4 Bxd3 19. Qxd3 f5 20. gxf5 Bxe5 21. fxe5 Nxf5 22. Kh1 Re6 23. Rg1 Kh8 24. Ne2 Nh4 25. Rfg3 g5 26. Nf4 Re8 27. Nh5 Nh7 28. Rg4 Nf3 29. Rf1 Nxh2 30. Rf7 Nf8 31. Kxh2 Re7 32. Qf5 Rxf7 33. Qxf7 Qd7 34. Qf6+ Kh7 35. h4 Ng6 36. hxg5 Rg8 37. Qf3 Rf8 38. Qxf8 Nxf8 39. Nf6+ 1-0

[Event "GER-ch U25 op-A"]
[Site "Willingen"]
[Date "2024.05.19"]
[Round "1"]
[White "Koehler, Lukas"]
[Black "Matthes, Benjamin"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2039"]
[BlackElo "1963"]
[PlyCount "43"]
[EventDate "2024.05.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. a3 Nc6 3. b4 cxb4 4. axb4 Nxb4 5. c3 Nc6 6. d4 d5 7. exd5 Qxd5 8. Na3 e5 9. Nb5 Bd6 10. Nf3 Bb8 11. Be2 Nf6 12. c4 Qe4 13. Ba3 exd4 14. 0-0 Ne7 15. Re1 0-0 16. Bd3 Qf4 17. g3 Qh6 18. Bxe7 Ng4 19. Bxf8 Kxf8 20. Qc1 Ne3 21. Nbxd4 Ng4 22. Qxh6 1-0

[Event "Bamberg op-A 5th"]
[Site "Bamberg"]
[Date "2023.07.30"]
[Round "7"]
[White "Koehler, Lukas"]
[Black "Maurer, Jochen"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2051"]
[BlackElo "2184"]
[PlyCount "62"]
[EventDate "2023.07.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. 0-0 Nc6 8. Qe2 Nge7 9. Be3 0-0 10. Bxa7 Rxa7 11. N1d2 b6 12. c3 Bb7 13. Rad1 Qc7 14. Nf3 Ng6 15. Bc2 Nge5 16. Nxe5 Nxe5 17. Rd4 a5 18. Rfd1 a4 19. Nc1 a3 20. Bb3 axb2 21. Qxb2 Ng4 22. g3 Ne5 23. Kg2 f5 24. Bc2 fxe4 25. Bxe4 Ng4 26. R1d2 Bxe4+ 27. Rxe4 Qc6 28. f3 Ra5 29. Nb3 Qxe4 30. fxe4 Ne3+ 31. Kh3 Rh5# 0-1

[Event "GER-ch U25-A"]
[Site "Willingen"]
[Date "2023.06.03"]
[Round "9"]
[White "Deschler, Arne"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "B71"]
[WhiteElo "1767"]
[BlackElo "2078"]
[PlyCount "50"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nfd7 7. Be3 Bg7 8. Bc4 Nc6 9. 0-0 0-0 10. Qd2 Nb6 11. Nxc6 bxc6 12. Bb3 c5 13. Na4 Ba6 14. Nxb6 Qxb6 15. Rf2 Rab8 16. c3 Qa5 17. f5 Rxb3 18. fxg6 hxg6 19. Bh6 Rbb8 20. Rf3 Bc8 21. Raf1 Qxa2 22. Qg5 Rxb2 23. Rf4 Rxg2+ 24. Qxg2 Qxg2+ 25. Kxg2 Bxh6 0-1

[Event "GER-ch U25-A"]
[Site "Willingen"]
[Date "2023.06.02"]
[Round "8"]
[White "Koehler, Lukas"]
[Black "Menzel, Maximilian"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2078"]
[BlackElo "1855"]
[PlyCount "77"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. d3 e6 7. Bd2 Bb4 8. a3 Ba5 9. g4 d4 10. Nb1 Bxd2+ 11. Nxd2 e5 12. h4 Na6 13. Bh3 Nc5 14. g5 Nfd7 15. Qg3 Qc7 16. 0-0 0-0-0 17. f4 exf4 18. Qxf4 f6 19. gxf6 gxf6 20. b4 Na4 21. Qxc7+ Kxc7 22. Bxd7 Rxd7 23. Rxf6 Rg8+ 24. Kh2 Rdg7 25. Rf2 Nb6 26. Nf3 Nd7 27. Nxd4 Rg4 28. Nf5 Ne5 29. Kh3 Kb6 30. Re1 Kb5 31. Nh6 Rg3+ 32. Kh2 R8g6 33. Rf5 Rg2+ 34. Kh1 Rd2 35. Rxe5+ Kb6 36. Nf5 Rgg2 37. Ne3 Rh2+ 38. Kg1 Kc7 39. Rg5 1-0

[Event "GER-ch U25-A"]
[Site "Willingen"]
[Date "2023.06.01"]
[Round "7"]
[White "Sabirov, Ramil"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2109"]
[BlackElo "2078"]
[PlyCount "55"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. 0-0 e6 5. c4 d4 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 9. a3 a5 10. Re1 0-0 11. Bg5 h6 12. Bxf6 Qxf6 13. Nbd2 Qd8 14. Rc1 e5 15. c5 Bc7 16. Nc4 Re8 17. b3 f5 18. Rb1 e4 19. dxe4 fxe4 20. Nh4 Qd5 21. Rxe4 Rxe4 22. Qd3 Qxc5 23. Bxe4 b5 24. Qf3 Bd7 25. Bd5+ Kh8 26. Ng6+ Kh7 27. Qe4 Re8 28. Nf8+ 1-0

[Event "GER-ch U25-A"]
[Site "Willingen"]
[Date "2023.05.31"]
[Round "5"]
[White "Held, Momme Fredrik"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "1914"]
[BlackElo "2078"]
[PlyCount "40"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. d4 Be7 5. Nf3 0-0 6. 0-0 dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bg5 Nbd7 11. Bxf6 Nxf6 12. Nbd2 Rc8 13. Nb3 Be4 14. Qc1 Qd5 15. Rd1 Rfd8 16. Nc5 Bxc5 17. Qxc5 Qxc5 18. dxc5 Bxf3 19. Bxf3 a5 20. a3 Rxd1+ 1/2-1/2

[Event "GER-ch U25-A"]
[Site "Willingen"]
[Date "2023.05.31"]
[Round "6"]
[White "Koehler, Lukas"]
[Black "Hofmann, Benjamin1"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2078"]
[BlackElo "1700"]
[PlyCount "85"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. 0-0 h6 7. a3 Bg4 8. Qb3 Qd7 9. Bxf7+ Qxf7 10. Qxb7 Kd7 11. Qxc6+ Kxc6 12. Ne5+ Kb7 13. Nxf7 Rh7 14. Ne5 Be2 15. Re1 d3 16. Nc3 Rd8 17. Be3 Re8 18. Nc4 Bh5 19. f3 g5 20. Red1 Rd7 21. b4 Bg7 22. Rac1 Bxc3 23. Rxc3 Rxe4 24. g4 Rxc4 25. Rxc4 Bg6 26. Kf2 Nf6 27. Bd2 Rf7 28. Kg3 Ne8 29. Re1 Nd6 30. Rc5 a6 31. Re6 Bh7 32. Rxh6 Nb5 33. Rxh7 Rxh7 34. Rd5 Nxa3 35. Rxd3 Nc2 36. Rd5 Rg7 37. Rxg5 Rd7 38. Bc3 Rd3 39. Rc5 Ne3 40. h4 Nd5 41. Be5 c6 42. h5 Nxb4 43. h6 1-0

[Event "GER-ch U25-A"]
[Site "Willingen"]
[Date "2023.05.30"]
[Round "4"]
[White "Koehler, Lukas"]
[Black "Nguyen, Phuc Nhat"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2078"]
[BlackElo "1929"]
[PlyCount "63"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c6 4. e3 Bf5 5. f3 h6 6. g4 Bg6 7. Bd3 Bxd3 8. Qxd3 e6 9. h4 b5 10. 0-0-0 b4 11. Nce2 Qa5 12. Kb1 Na6 13. Nc1 0-0-0 14. Nge2 c5 15. Nb3 Qb6 16. dxc5 Nxc5 17. Nxc5 Bxc5 18. c3 Kb7 19. cxb4 Bxb4 20. Be5 Rc8 21. Bxf6 gxf6 22. e4 Rhd8 23. a3 Bc5 24. Nc3 dxe4 25. Qxe4+ Qc6 26. Rxd8 Rxd8 27. Kc2 Rd4 28. Qh7 Qxf3 29. Qxf7+ Kb8 30. Qe8+ Kb7 31. Qf7+ Kb8 32. Qe8+ 1/2-1/2

[Event "GER-ch U25-A"]
[Site "Willingen"]
[Date "2023.05.29"]
[Round "3"]
[White "Longo, Massimo"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1890"]
[BlackElo "2078"]
[PlyCount "70"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. Bd3 Nbd7 7. 0-0 c5 8. c3 b6 9. Qe2 Bb7 10. e4 dxe4 11. Nxe4 Qc7 12. dxc5 Nxc5 13. Bxf6 exf6 14. Nxc5 Qxc5 15. Nd4 f5 16. Nb3 Qd5 17. f3 Rfe8 18. Qc2 a5 19. Rad1 a4 20. Nc1 Qc5+ 21. Qf2 Qxf2+ 22. Rxf2 a3 23. bxa3 Bxc3 24. Bb5 Red8 25. Rxd8+ Rxd8 26. Nb3 Be5 27. Rd2 Rc8 28. Rd7 Rc7 29. Rxc7 Bxc7 30. h3 Kg7 31. Kf2 f4 32. a4 Kf6 33. Ke2 Ke5 34. Kd3 f5 35. Nd4 Bd6 1/2-1/2

[Event "GER-ch U25-A"]
[Site "Willingen"]
[Date "2023.05.28"]
[Round "1"]
[White "Gold, Jan Christian"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1754"]
[BlackElo "2078"]
[PlyCount "49"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Qc2 d5 5. cxd5 Nxd5 6. Nf3 e6 7. a3 Nxc3 8. Qxc3 Bd6 9. Bg5 Qc8 10. Nd2 f6 11. Bh4 0-0 12. e4 e5 13. Bc4+ Kh8 14. d5 a5 15. 0-0 a4 16. Rfc1 Nd7 17. f3 Nc5 18. b4 axb3 19. Nxb3 Nxb3 20. Qxb3 Ba6 21. a4 Bxc4 22. Qxc4 Qd7 23. Qb3 Ra7 24. Rc6 f5 25. exf5 1/2-1/2

[Event "GER-ch U25-A"]
[Site "Willingen"]
[Date "2023.05.28"]
[Round "2"]
[White "Koehler, Lukas"]
[Black "Meyer, Emil"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2078"]
[BlackElo "1825"]
[PlyCount "121"]
[EventDate "2023.05.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. 0-0 a6 7. a4 Nc6 8. Nc3 cxd4 9. exd4 Be7 10. Be3 Nb4 11. Ne5 0-0 12. Rc1 Nfd5 13. Qf3 Bf6 14. Bd2 Nxc3 15. Qxc3 Nd5 16. Qb3 Qd6 17. Rfe1 Rb8 18. Bxd5 Qxd5 19. Qxd5 exd5 20. Bb4 Re8 21. Bd6 Ra8 22. Rc7 b5 23. Ra1 Be6 24. Rb7 bxa4 25. Rxa4 Rec8 26. h3 h6 27. Rb6 a5 28. g4 Bxe5 29. Bxe5 Bd7 30. Ra3 a4 31. Rb7 Be6 32. Kg2 Kh7 33. Bd6 Kg6 34. Kg3 Ra6 35. Bc5 Raa8 36. f4 f5 37. Re3 Re8 38. Rb6 Kf7 39. Re5 g6 40. Rb7+ Kg8 41. Be7 Bc8 42. Rb5 Ra7 43. Bd6 Rxe5 44. fxe5 Rb7 45. Rxd5 Rb3+ 46. Kf2 Rxb2+ 47. Ke3 fxg4 48. hxg4 Bxg4 49. Ra5 Be6 50. d5 Bxd5 51. Rxd5 Kf7 52. Ra5 Ra2 53. Ra6 Ke6 54. Bb8+ Kd7 55. Rxg6 Ra1 56. Ra6 a3 57. Kf2 a2 58. Kg2 Rb1 59. Rxa2 Rxb8 60. Ra6 Rb1 61. e6+ 1/2-1/2

[Event "Bamberg op 4th"]
[Site "Bamberg"]
[Date "2022.07.28"]
[Round "2"]
[White "Koehler, Lukas"]
[Black "Zeller, Frank"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2076"]
[BlackElo "2356"]
[PlyCount "58"]
[EventDate "2022.07.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Be2 e5 7. Qe3 Ngf6 8. 0-0 Be7 9. c4 0-0 10. Nc3 b6 11. Bd3 Nc5 12. Bc2 Be6 13. b3 Qb8 14. Bd2 b5 15. b4 Ncd7 16. cxb5 Nb6 17. a4 axb5 18. axb5 Qb7 19. Bd3 Nc4 20. Qe2 Nb2 21. Bg5 Nxd3 22. Qxd3 Rfc8 23. Nd2 h6 24. Bxf6 Bxf6 25. h3 Bg5 26. Rfd1 Qb6 27. Rxa8 Rxa8 28. Nd5 Bxd5 29. Qxd5 Rb8 1/2-1/2

[Event "Mittelfranken Landesliga Nord 2122"]
[Site "Mittelfranken"]
[Date "2022.06.26"]
[Round "3.3"]
[White "Kraich, Klaus"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2079"]
[BlackElo "2149"]
[PlyCount "66"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Klingenberg"]
[BlackTeam "Bamberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c5 5. 0-0 cxd4 6. Nxd4 e5 7. Nb3 a5 8. Bg5 a4 9. Nc1 Ra5 10. Nc3 Be6 11. e4 d4 12. Nd5 Nbd7 13. f4 h6 14. fxe5 hxg5 15. exf6 Nxf6 16. Nxf6+ gxf6 17. Nd3 Be7 18. b4 Ra7 19. a3 b6 20. Rf2 Kf8 21. Rd2 Bd6 22. Qf3 Kg7 23. Rf1 Qe7 24. Rdf2 Rc8 25. Qh5 Rh8 26. Qf3 Rc7 27. Ra1 Rhc8 28. Qd1 b5 29. Ne1 Be5 30. Bf1 d3 31. Bxd3 Bxa1 32. Qxa1 Bc4 33. e5 Qxe5 0-1

[Event "GER-ch Youth-A"]
[Site "Willingen"]
[Date "2022.06.11"]
[Round "9"]
[White "Nguyen, Phuc Nhat"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1839"]
[BlackElo "2099"]
[PlyCount "43"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. Nc2 a5 10. 0-0 Bd7 11. f3 Nb4 12. Nd4 Na6 13. Qd2 Nc5 14. b3 Ne8 15. Rac1 Nc7 16. Rfd1 Kh8 17. Nc2 N7a6 18. Nd5 Bc6 19. Bd4 Bxd5 20. Bxg7+ Kxg7 21. cxd5 Nc7 22. Ne3 1/2-1/2

[Event "GER-ch Youth-A"]
[Site "Willingen"]
[Date "2022.06.10"]
[Round "8"]
[White "Koehler, Lukas"]
[Black "Hofmann, Lorenz"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2099"]
[BlackElo "2056"]
[PlyCount "66"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh5 5. exd5 cxd5 6. g4 Bg6 7. Bb5+ Nc6 8. Ne5 Rc8 9. d4 e6 10. Qe2 Nge7 11. h4 h6 12. Qf3 f6 13. Nxg6 Nxg6 14. Bd2 Bb4 15. 0-0-0 Kf7 16. Bxc6 Rxc6 17. Nb1 Qc7 18. c3 Bd6 19. g5 hxg5 20. hxg5 Rxh1 21. Rxh1 f5 22. Rh7 Qb8 23. Qh5 Rc8 24. Kd1 Rg8 25. Bc1 Bf4 26. Bxf4 Qxf4 27. Nd2 Qxf2 28. Nf3 Ke7 29. Qxg6 Qxf3+ 30. Kd2 Qf4+ 31. Kd1 Qf1+ 32. Kd2 Qf2+ 33. Kd1 Qf1+ 1/2-1/2

[Event "GER-ch Youth-A"]
[Site "Willingen"]
[Date "2022.06.09"]
[Round "7"]
[White "Koll, Linus"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1989"]
[BlackElo "2099"]
[PlyCount "50"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 a6 5. d4 Nc6 6. c3 Nxe5 7. dxe5 Bf5 8. Qa4+ Qd7 9. Qxd7+ Bxd7 10. Be3 f6 11. exf6 gxf6 12. c4 dxc4 13. Bxc4 Rc8 14. Be2 Bh6 15. Nc3 Bxe3 16. Bh5+ Kf8 17. fxe3 e6 18. 0-0 Ke7 19. Ne4 Bc6 20. Ng3 Nh6 21. Rf2 Rhf8 22. Rd2 Rcd8 23. Rad1 Rxd2 24. Rxd2 Rg8 25. Bf3 Bxf3 1/2-1/2

[Event "GER-ch Youth-A"]
[Site "Willingen"]
[Date "2022.06.08"]
[Round "5"]
[White "Brunner, Tobias"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2007"]
[BlackElo "2099"]
[PlyCount "132"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. Be3 Nbc6 7. c3 Bg4 8. Nbd2 Qd7 9. Qc2 Bf5 10. 0-0-0 0-0 11. Rdg1 Bxd3 12. Qxd3 Qf5 13. Qe2 Rab8 14. g4 Qd7 15. h4 f6 16. c4 Bb4 17. Kb1 dxc4 18. Qxc4+ Qd5 19. a3 Bxd2 20. Nxd2 Qxc4 21. Nxc4 Nd5 22. Rd1 Rfe8 23. Rd3 Kf7 24. Rc1 Re4 25. f3 Re6 26. Bf2 Ke8 27. Bg3 Kd7 28. Nd2 b6 29. Ne4 a5 30. Nc3 Nce7 31. Ne4 Rc8 32. Rd2 h6 33. Rdc2 Rc6 34. Nc3 Nxc3+ 35. bxc3 Rc4 36. Kb2 a4 37. Re1 Nd5 38. Re4 Ra8 39. g5 hxg5 40. hxg5 Ra5 41. Be1 Rb5+ 42. Ka2 Rb3 43. Rh4 Nxc3+ 44. Bxc3 Rcxc3 45. Rxc3 Rxc3 46. Rh7 fxg5 47. Rxg7+ Kd6 48. Rg6+ Ke7 49. Rxg5 Rxf3 50. Rb5 Rf2+ 51. Kb1 Kd6 52. Rb4 Kd5 53. Rxa4 Rd2 54. Ra7 Kc6 55. Ra4 Kd5 56. Ra7 c6 57. Rd7+ Kc4 58. Rd6 Kb5 59. a4+ Kxa4 60. Rxc6 b5 61. Rc2 Rxd4 62. Kb2 Rb4+ 63. Ka2 Rh4 64. Kb2 Kb4 65. Rg2 Kc4 66. Rf2 b4 1/2-1/2

[Event "GER-ch Youth-A"]
[Site "Willingen"]
[Date "2022.06.08"]
[Round "6"]
[White "Koehler, Lukas"]
[Black "Francois, Yannick"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2099"]
[BlackElo "1867"]
[PlyCount "81"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 c6 8. Nge2 Re8 9. 0-0 Nbd7 10. Qc2 h6 11. Bh4 Ne4 12. Bxe7 Qxe7 13. Bxe4 dxe4 14. d5 Nf6 15. Rfd1 cxd5 16. Nxd5 Nxd5 17. Rxd5 b6 18. Qa4 Be6 19. Rd4 f5 20. h3 Red8 21. Rad1 Rxd4 22. Rxd4 Rd8 23. a3 Rxd4 24. Nxd4 Qd7 25. Qb4 Kf7 26. Qc3 Bd5 27. a4 Ke7 28. a5 g6 29. axb6 axb6 30. Ne2 h5 31. Qe5+ Kf7 32. Qh8 Qe8 33. Qh7+ Kf6 34. Qc7 Qc6 35. Qd8+ Kg7 36. Nc3 Bf7 37. Qd4+ Kg8 38. Qd8+ Kg7 39. Qd4+ Kg8 40. Qe5 Qe6 41. Qb8+ 1/2-1/2

[Event "GER-ch Youth-A"]
[Site "Willingen"]
[Date "2022.06.07"]
[Round "4"]
[White "Koehler, Lukas"]
[Black "Nied, Pascal"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2099"]
[BlackElo "2030"]
[PlyCount "104"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 e6 4. e3 Bd6 5. c4 0-0 6. Nc3 c6 7. d4 Nbd7 8. Qc2 Re8 9. Be2 b6 10. 0-0 Bb7 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qh4 c5 15. dxc5 Bxc5 16. Rad1 Qe7 17. Ne5 Rad8 18. Nd3 Ne4 19. Qxe7 Bxe7 20. f3 Nd6 21. g4 f6 22. Ba3 Kf7 23. Rfe1 Bf8 24. Rc1 a5 25. Kf2 Ne4+ 26. fxe4 Bxa3 27. Rcd1 Bxe4 28. Ke3 Bb7 29. Bf3 Bxf3 30. Kxf3 Rd4 31. Nf4 Bc5 32. Rxd4 Bxd4 33. Rd1 e5 34. Nd5 Bc5 35. Ke4 Rd8 36. h4 h6 37. h5 Rd6 38. Kf5 Bd4 39. Nc3 Bc5 40. Rd5 Bb4 41. Rxd6 Bxd6 42. Ne4 Bb4 43. Nf2 Bd2 44. Ne4 Be3 45. Nc3 Bd4 46. Ne4 Bc5 47. Nc3 Be3 48. Ne4 Ke7 49. a4 Kd7 50. Nc3 Kc6 51. Ne4 Kd7 52. Nc3 Kc6 1/2-1/2

[Event "GER-ch Youth-A"]
[Site "Willingen"]
[Date "2022.06.06"]
[Round "3"]
[White "Panjer, Sidney"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2043"]
[BlackElo "2099"]
[PlyCount "91"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 c6 12. Bc4 cxd5 13. Bxd5 Nc6 14. 0-0-0 h6 15. Be3 Bf8 16. Kb1 Kg7 17. Rc1 Bd7 18. Nd2 Rac8 19. Rhd1 Bb4 20. a3 Bxd2 21. Rxd2 f5 22. f3 a6 23. Bb3 Re7 24. Bc5 Nd4 25. Bd5 Ree8 26. Bxd4 Rxc1+ 27. Kxc1 exd4 28. Bxb7 fxe4 29. Rxd4 Bb5 30. Bxe4 Re6 31. Kd2 Kf6 32. Bd3 Bxd3 33. Rxd3 Rb6 34. b4 a5 35. bxa5 Rb5 36. Kc3 Rxa5 37. Kb4 Ra8 38. a4 Rb8+ 39. Ka3 Ke5 40. a5 Rb1 41. Ka2 Rb7 42. a6 Ra7 43. Ra3 Kd4 44. Kb2 g5 45. Kc2 h5 46. Kd2 1-0

[Event "GER-ch Youth-A"]
[Site "Willingen"]
[Date "2022.06.05"]
[Round "2"]
[White "Koehler, Lukas"]
[Black "Fuchs, Florian1"]
[Result "1-0"]
[ECO "E42"]
[WhiteElo "2099"]
[BlackElo "1920"]
[PlyCount "81"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 d5 7. a3 Be7 8. Nf4 Nc6 9. cxd5 Nxd5 10. Ncxd5 exd5 11. Be2 Bf6 12. Be3 Qd6 13. Qd2 0-0 14. 0-0 g6 15. Bf3 Ne7 16. Rfe1 b6 17. Nd3 Nf5 18. Bf4 Qd8 19. Ne5 g5 20. Bg3 Nxg3 21. hxg3 Bb7 22. Qd3 Bg7 23. Bd1 a5 24. Bc2 f5 25. g4 Bc8 26. Qh3 Qf6 27. Rac1 h6 28. Qd3 Qd6 29. Bb1 Bxe5 30. Rxe5 Ba6 31. Qe3 f4 32. Qe1 Rf6 33. Bf5 Bc4 34. Qd2 Kf7 35. Rce1 b5 36. Qc3 a4 37. Qh3 Ra7 38. Qh5+ Kg7 39. Re6 Qd8 40. Rxf6 Qxf6 41. Re6 1-0

[Event "GER-ch Youth-A"]
[Site "Willingen"]
[Date "2022.06.05"]
[Round "1"]
[White "Metzinger, Hannes"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1845"]
[BlackElo "2099"]
[PlyCount "40"]
[EventDate "2022.06.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nxc3 7. bxc3 Qc7 8. d4 Nd7 9. Qb3 e6 10. Bd3 Bd6 11. Ng5 Nf6 12. h3 Bd7 13. 0-0 Bc6 14. Re1 0-0 15. c4 Rac8 16. c5 Be7 17. Rb1 h6 18. Nxe6 fxe6 19. Qxe6+ Kh8 20. Qxe7 Rfe8 0-1

[Event "Mittelfranken Landesliga Nord 2122"]
[Site "Mittelfranken"]
[Date "2022.05.29"]
[Round "9.3"]
[White "Mueller, Johannes2"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "E98"]
[WhiteElo "1987"]
[BlackElo "2149"]
[PlyCount "72"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kelheim"]
[BlackTeam "Bamberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. c5 Rf7 14. cxd6 cxd6 15. Rc1 h5 16. Nb5 a6 17. Nc7 Nxc7 18. Bb6 Ng6 19. Qc2 g4 20. Bxc7 Qf6 21. Bb6 Bd7 22. Qd2 g3 23. h3 Qh4 24. Bd3 Rc8 25. Rxc8+ Bxc8 26. Nc2 Bxh3 27. gxh3 Qxh3 28. Qg2 Qd7 29. Qh1 Bf6 30. Rc1 Nh4 31. Bf1 Bd8 32. Bxd8 Qxd8 33. Qh3 Nxf3+ 34. Kg2 Qb6 35. Bd3 Qf2+ 36. Kh1 Qd2 0-1

[Event "Mittelfranken Landesliga Nord 2122"]
[Site "Mittelfranken"]
[Date "2022.05.15"]
[Round "5.2"]
[White "Koehler, Lukas"]
[Black "Duerr, Florian"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2149"]
[BlackElo "2228"]
[PlyCount "21"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Bamberg"]
[BlackTeam "Erlangen II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 dxc4 6. e4 c5 7. d5 e6 8. d6 b5 9. h5 Rg8 10. h6 Bh8 11. Ng5 1/2-1/2

[Event "Mittelfranken Landesliga Nord 2122"]
[Site "Mittelfranken"]
[Date "2022.05.08"]
[Round "8.3"]
[White "Koehler, Lukas"]
[Black "Wiemer, Peter"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "2149"]
[BlackElo "2180"]
[PlyCount "69"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Bamberg"]
[BlackTeam "Nuernberg SW"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd2 c6 6. Bd3 d6 7. a3 Ba5 8. b4 Bc7 9. e4 e5 10. d5 h6 11. h3 Bb6 12. g4 Nh7 13. h4 Qf6 14. Rh2 Qg6 15. Rg2 Bd8 16. h5 Qf6 17. Nf3 Ng5 18. Nxg5 hxg5 19. Be3 Re8 20. f3 Nd7 21. Rb2 Nf8 22. Rf2 Qe7 23. Qc1 Nh7 24. Rd2 Qf6 25. Be2 Bc7 26. Qb2 Bd7 27. Rad1 Red8 28. Rc1 Be8 29. Rdc2 Qe7 30. a4 Rdc8 31. Kf1 a5 32. dxc6 bxc6 33. b5 Rab8 34. Qa3 Nf8 35. Rd2 1/2-1/2

[Event "Mittelfranken Landesliga Nord 2122"]
[Site "Mittelfranken"]
[Date "2022.04.03"]
[Round "7.3"]
[White "Votruba, Pavel"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2203"]
[BlackElo "2149"]
[PlyCount "39"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Schwandorf"]
[BlackTeam "Bamberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 b6 6. Bg2 Bb7 7. 0-0 d6 8. d4 Nbd7 9. Nbd2 Ne4 10. Qc2 Nxd2 11. Qxd2 Qe8 12. Rfe1 Rb8 13. Rad1 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Bxb7 Rxb7 17. Bxe5 Qxe5 18. Qd5 Qxd5 19. cxd5 Rc8 20. Rd2 1/2-1/2

[Event "Mittelfranken Landesliga Nord 2122"]
[Site "Mittelfranken"]
[Date "2022.03.20"]
[Round "4.3"]
[White "Koehler, Lukas"]
[Black "Krauss, Josef"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2149"]
[BlackElo "2064"]
[PlyCount "93"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Bamberg"]
[BlackTeam "Schweinfurt"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 a6 7. Be2 e6 8. Rc1 Bd6 9. Bxd6 Qxd6 10. f4 0-0 11. Bd3 b5 12. Nf3 Bb7 13. 0-0 Nd7 14. Ne5 f5 15. g4 g6 16. Nxd7 Qxd7 17. g5 h6 18. h4 h5 19. Ne2 Rfc8 20. Qd2 Nd8 21. Rxc8 Rxc8 22. Nc1 Bc6 23. Nb3 Nb7 24. Rc1 Qe7 25. Nc5 Nxc5 26. Rxc5 Bd7 27. Qa5 Kf7 28. b4 Ra8 29. Qb6 Qe8 30. Kf2 Qb8 31. Qxb8 Rxb8 32. Rc7 Ke8 33. Ra7 Rb6 34. Ra8+ Ke7 35. Ke2 Bc6 36. Rc8 Bd7 37. Ra8 Bc6 38. Rc8 Bd7 39. Rg8 Be8 40. Rh8 Rc6 41. Kd2 Rc7 42. Be2 Kd8 43. Rh6 a5 44. Rh8 Ke7 45. Rh7+ Bf7 46. Bxh5 gxh5 47. g6 1-0

[Event "Mittelfranken Landesliga Nord 2122"]
[Site "Mittelfranken"]
[Date "2022.03.13"]
[Round "6.3"]
[White "Koehler, Lukas"]
[Black "Roth, Norbert"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2149"]
[BlackElo "2183"]
[PlyCount "124"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Bamberg"]
[BlackTeam "Nuernberg NT II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d6 2. c4 e5 3. Nf3 Nd7 4. Nc3 Ngf6 5. e4 g6 6. Be2 Bg7 7. 0-0 0-0 8. Qc2 c6 9. Rd1 Qc7 10. b3 Re8 11. Bb2 Nh5 12. g3 Nf8 13. d5 c5 14. Nh4 Nf6 15. a3 N8d7 16. Bc1 Rf8 17. Bg5 h6 18. Be3 Ne8 19. Bd3 Qd8 20. b4 b6 21. b5 Ndf6 22. Ra2 Ng4 23. Bc1 h5 24. f3 Nh6 25. Be3 Kh7 26. Kh1 Bf6 27. Qc1 Ng8 28. Ng2 Bg7 29. Nh4 Bh3 30. Bf1 Bd7 31. a4 a5 32. Rf2 Bf6 33. Ng2 Ng7 34. Bd3 h4 35. Nxh4 Bxh4 36. gxh4 Qxh4 37. Bg5 Qxf2 38. Rf1 Qxf1+ 39. Qxf1 Nh5 40. Ne2 f6 41. Bd2 Kg7 42. Qg2 Ne7 43. f4 Rh8 44. fxe5 dxe5 45. Nc3 Nc8 46. Be2 Nd6 47. Bg4 Rad8 48. Bxd7 Rxd7 49. Qg4 Re7 50. Bc1 Kf7 51. Qf3 Ke8 52. Qg4 Rg8 53. Kg2 Kd8 54. Kf1 Kc7 55. Ke2 Rh8 56. Kd3 g5 57. Kc2 Nf4 58. Bxf4 exf4 59. Qg2 Reh7 60. Kb3 Rxh2 61. Qg4 Re8 62. Qg1 Rh3 0-1

[Event "Mittelfranken Landesliga Nord 2122"]
[Site "Mittelfranken"]
[Date "2021.11.14"]
[Round "2.2"]
[White "Rupp, Markus"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2145"]
[BlackElo "2149"]
[PlyCount "82"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Wuerzburg"]
[BlackTeam "Bamberg SC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 a6 7. Qd2 Nbd7 8. Nh3 c5 9. d5 b5 10. cxb5 axb5 11. Bxb5 Ne5 12. Nf2 Ba6 13. Bxa6 Rxa6 14. Qe2 Qa5 15. 0-0 Rb8 16. Rab1 Ne8 17. Bg5 Kf8 18. f4 Nd7 19. Qg4 Nef6 20. Bxf6 Nxf6 21. Qh3 Kg8 22. e5 Ne8 23. e6 f5 24. g4 Rab6 25. Nfd1 fxg4 26. Qxg4 Bxc3 27. Nxc3 Rxb2 28. Rbc1 Qb4 29. Qf3 Nf6 30. Kh1 Qd4 31. Rcd1 Rd2 32. Rxd2 Qxd2 33. Rf2 Qd4 34. h3 Kg7 35. Rg2 Ra8 36. f5 Ra3 37. fxg6 Qxc3 38. gxh7+ Kh8 39. Rg8+ Kxh7 40. Qf5+ Kxg8 41. Qg6+ Kh8 0-1

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.11.07"]
[Round "9"]
[White "Braun, Georg"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2405"]
[BlackElo "2134"]
[PlyCount "127"]
[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. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 c6 7. 0-0 a6 8. a4 a5 9. d4 Na6 10. h3 Nb4 11. Be3 Nd7 12. f4 e6 13. Qd2 f5 14. b3 b6 15. exf5 exf5 16. Na2 Bb7 17. Nxb4 axb4 18. Qxb4 Re8 19. Qd2 Qe7 20. Kf2 Nf6 21. Nc3 d5 22. cxd5 cxd5 23. Rfe1 Red8 24. Rac1 h5 25. Bf3 Ne4+ 26. Nxe4 dxe4 27. Be2 Bd5 28. Rc3 Qe6 29. Bc4 Rd6 30. Rec1 Rad8 31. Bxd5 Qxd5 32. Rc4 h4 33. gxh4 Qf7 34. Kg2 R8d7 35. Kh2 Kh7 36. b4 Bf6 37. b5 Qg7 38. Rd1 Qf7 39. Qc3 Bxh4 40. Rc6 Bf6 41. Rd2 Qg7 42. Qc4 Qe7 43. d5 g5 44. Rxd6 Rxd6 45. Qc8 Rd7 46. Rc2 gxf4 47. d6 Qxd6 48. Rd2 Qxd2+ 49. Bxd2 Rxd2+ 50. Kg1 Kg6 51. Qg8+ Kh6 52. Qe6 Kg6 53. a5 bxa5 54. b6 Rb2 55. Qg8+ Kh6 56. Qf8+ Kg6 57. Qe8+ Kh6 58. Qc6 Kg7 59. Qd7+ Kh6 60. b7 f3 61. Qd6 Rb1+ 62. Kf2 Rb2+ 63. Kg3 f2 64. Qxf6+ 1-0

[Event "Bayern-chI Bank Hofmann 24th"]
[Site "Tegernsee"]
[Date "2021.10.30"]
[Round "1"]
[White "Delgado Ramirez, Neuris"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2596"]
[BlackElo "2134"]
[PlyCount "89"]
[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 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 Nf6 6. 0-0 Be7 7. c3 Bg4 8. Bc2 0-0 9. d4 Bh5 10. Nbd2 Re8 11. Nc4 Bg6 12. Bb3 Ne4 13. Ne3 c6 14. Ne1 Nf6 15. Nd3 Nbd7 16. Nf4 d5 17. Nxg6 hxg6 18. Qd3 Nb6 19. Bd2 Ne4 20. Be1 Qd7 21. f3 Nf6 22. Bf2 Bd6 23. Rfe1 Qc7 24. Nf1 Rxe1 25. Rxe1 Re8 26. Rd1 Nh5 27. g3 Nf6 28. Kg2 Qd7 29. Ne3 Bc7 30. Bc2 Nh7 31. h4 Nf6 32. b3 Nh5 33. c4 f5 34. Nf1 Qf7 35. Nd2 Bb8 36. a4 Nd7 37. cxd5 cxd5 38. b4 Ndf6 39. Bb3 Qd7 40. Nf1 Qd6 41. Qb5 a6 42. Qxb7 Re2 43. Rc1 Rb2 44. Rc6 Qe7 45. Qxe7 1-0

[Event "Mittelfranken Landesliga Nord 2122"]
[Site "Mittelfranken"]
[Date "2021.10.24"]
[Round "1.3"]
[White "Koehler, Lukas"]
[Black "Linsenmeyer, Mario"]
[Result "1/2-1/2"]
[ECO "E58"]
[WhiteElo "2149"]
[BlackElo "2174"]
[PlyCount "25"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Bamberg SC"]
[BlackTeam "Herzogenaurach"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. Nf3 c5 8. Bd3 Nc6 9. 0-0 Bd7 10. Bb2 Rc8 11. Qe2 dxc4 12. Bxc4 Na5 13. Bd3 1/2-1/2

[Event "Bayern-ch 92th"]
[Site "Lichtenfels"]
[Date "2021.08.28"]
[Round "9"]
[White "Koehler, Lukas"]
[Black "Miller, Eduard"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2102"]
[BlackElo "2380"]
[PlyCount "118"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qe7 8. Qxe7+ Ngxe7 9. c4 Nb4 10. Kd1 d6 11. Bd2 Nbc6 12. Nc3 f5 13. Bd3 Be6 14. b3 0-0-0 15. f3 f4 16. Nd5 g5 17. h3 h5 18. Bc3 g4 19. hxg4 hxg4 20. Ke2 Ng6 21. b4 Nh4 22. b5 Nb8 23. Nxf4 exf4 24. Bxh8 Rxh8 25. fxg4 Nd7 26. bxa6 bxa6 27. Raf1 Bxg4+ 28. Kd2 f3 29. gxf3 Nxf3+ 30. Ke3 Rxh1 31. Rxh1 Nfe5 32. Be2 Be6 33. Rh6 Nc5 34. Kd4 Kc7 35. Rh7+ Kb6 36. Rh1 Nc6+ 37. Ke3 a5 38. Rb1+ Kc7 39. a3 a4 40. Rg1 Ne5 41. Kd4 Kc6 42. Rh1 Nb3+ 43. Kc3 Kc5 44. Rh7 Bd7 45. Bd3 Nc1 46. Bf1 Bc6 47. Rh4 Nb3 48. Bd3 Nd4 49. Rh5 Ne6 50. Rf5 Bb7 51. Rf6 Ng5 52. Rf8 Nxe4+ 53. Bxe4 Bxe4 54. Rc8+ Bc6 55. Rc7 Nd7 56. Rc8 Nb6 57. Rh8 Nxc4 58. Rh4 Nxa3 59. Rh5+ d5 0-1

[Event "Bayern-ch 92th"]
[Site "Lichtenfels"]
[Date "2021.08.27"]
[Round "8"]
[White "Heimrath, Reiner"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2170"]
[BlackElo "2102"]
[PlyCount "88"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Bc4 Nc6 4. Nf3 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Nc3 dxc4 8. Rxe4+ Be6 9. Nxd4 Nxd4 10. Rxd4 Bd6 11. Ne4 0-0 12. Bg5 f6 13. Be3 Qe7 14. Nxd6 cxd6 15. Re4 Qd7 16. Qd2 d5 17. Rd4 a5 18. Re1 Rfe8 19. h4 b5 20. Rf4 Bf7 21. Rd1 Qc6 22. f3 b4 23. Qf2 Re6 24. Bd4 Rae8 25. Qg3 Qd6 26. Kh2 Kh8 27. c3 Re2 28. cxb4 axb4 29. a3 bxa3 30. bxa3 Rc2 31. Kh1 Ree2 32. Rg1 h5 33. a4 Ra2 34. Rg4 Qxg3 35. Rxg3 Rxa4 36. Rb1 Re7 37. Bc5 Rd7 38. Bf8 Be6 39. Rb6 Bf5 40. Rb5 c3 41. Rc5 Rc4 42. f4 Rxc5 43. Bxc5 d4 44. Bb4 Rc7 0-1

[Event "Bayern-ch 92th"]
[Site "Lichtenfels"]
[Date "2021.08.26"]
[Round "7"]
[White "Koehler, Lukas"]
[Black "Schatz, Christian"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2102"]
[BlackElo "2186"]
[PlyCount "65"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 d6 7. e4 g6 8. Qd2 h5 9. c4 Qxd2+ 10. Bxd2 Bg7 11. Nc3 0-0 12. Bd3 Nbd7 13. f4 a6 14. a4 Ng4 15. Nf3 Nh6 16. 0-0 Re8 17. Rae1 Nf8 18. h3 Rb8 19. Re2 f6 20. Rfe1 Nf7 21. Be3 Bd7 22. Bf2 e5 23. fxe5 fxe5 24. Be3 Bh6 25. Bxh6 Nxh6 26. Rb1 a5 27. Rf1 Nh7 28. Kf2 Rf8 29. Ke1 Rf6 30. Ref2 Kg7 31. Nd2 Rxf2 32. Rxf2 Nf6 33. Nf3 1/2-1/2

[Event "Bayern-ch 92th"]
[Site "Lichtenfels"]
[Date "2021.08.25"]
[Round "6"]
[White "Koehler, Lukas"]
[Black "Reis, Gerhard"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2102"]
[BlackElo "2223"]
[PlyCount "11"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 h6 6. Qb3 1/2-1/2

[Event "Bayern-ch 92th"]
[Site "Lichtenfels"]
[Date "2021.08.25"]
[Round "5"]
[White "Wisnet, Dominic"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "2304"]
[BlackElo "2102"]
[PlyCount "125"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 e5 7. d3 Re8 8. Ne1 c6 9. Nc2 Be6 10. e4 Qd7 11. Re1 d5 12. exd5 cxd5 13. d4 exd4 14. Nxd4 Nc6 15. Nxe6 fxe6 16. cxd5 exd5 17. Rxe8+ Rxe8 18. Nxd5 Rd8 19. Bg5 Qf7 20. Bxf6 Bxf6 21. Nxf6+ Qxf6 22. Qb3+ Qf7 23. Qxf7+ Kxf7 24. Rc1 Rd6 25. Kf1 Ke7 26. Bxc6 bxc6 27. Rc4 a5 28. Ke2 Re6+ 29. Kd3 Kd6 30. Re4 Rf6 31. f4 Rf5 32. Rd4+ Ke6 33. Kc4 Rb5 34. Rd2 h5 35. b3 g5 36. Re2+ Kf6 37. Rf2 gxf4 38. Rxf4+ Ke6 39. Kd3 Rd5+ 40. Ke3 Rg5 41. Kf3 Rd5 42. Ke3 Rg5 43. Ra4 Kd6 44. Re4 Kd5 45. Kf3 Kc5 46. h3 Rd5 47. Ke3 Rf5 48. g4 hxg4 49. hxg4 Rf1 50. Ra4 Kb5 51. Ke4 Rg1 52. Kf5 Rg2 53. g5 Rf2+ 54. Ke5 Rg2 55. Kf6 Rf2+ 56. Kg7 c5 57. g6 c4 58. Rxc4 Rxa2 59. Kf6 Rf2+ 60. Kg5 Rf8 61. g7 Rg8 62. Kf6 Ra8 63. Rg4 1-0

[Event "Bayern-ch 92th"]
[Site "Lichtenfels"]
[Date "2021.08.24"]
[Round "4"]
[White "Koehler, Lukas"]
[Black "Salvermoser, Bernd"]
[Result "1-0"]
[ECO "A69"]
[WhiteElo "2102"]
[BlackElo "2178"]
[PlyCount "93"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 0-0 9. Nd2 Na6 10. 0-0 Rb8 11. Re1 Nc7 12. a4 a6 13. a5 Re8 14. f4 Bd7 15. Bf3 h5 16. h3 Nb5 17. e5 dxe5 18. fxe5 Nh7 19. e6 fxe6 20. Nxb5 axb5 21. Nb3 c4 22. Nc5 e5 23. Nxd7 Qxd7 24. Be4 Nf8 25. Be3 Qd6 26. Qc2 Rec8 27. Rf1 Ra8 28. Qf2 Qd7 29. Bc5 Kh7 30. Bb4 Ra6 31. Qh4 Kg8 32. Rad1 Qd8 33. Qg3 Kh7 34. Rf7 Rc7 35. Rdf1 Rxf7 36. Rxf7 Qe8 37. Re7 Qb8 38. d6 Kh8 39. Rxb7 Qd8 40. Qf2 Rxd6 41. Bxd6 Qxd6 42. Rb6 Qd1+ 43. Kh2 g5 44. Qf3 Qd2 45. a6 g4 46. hxg4 Qd8 47. a7 1-0

[Event "Bayern-ch 92th"]
[Site "Lichtenfels"]
[Date "2021.08.23"]
[Round "2"]
[White "Koehler, Lukas"]
[Black "Lohr, Maximilian"]
[Result "1/2-1/2"]
[ECO "A69"]
[WhiteElo "2102"]
[BlackElo "2011"]
[PlyCount "48"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[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 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Be2 Bg7 8. Nf3 0-0 9. Nd2 a6 10. a4 Re8 11. 0-0 Nbd7 12. f4 Rb8 13. Kh1 Nb6 14. h3 Bd7 15. Bf3 Nc8 16. Re1 Qc7 17. a5 b5 18. axb6 Nxb6 19. Rxa6 Bxh3 20. Rxb6 Bxg2+ 21. Kxg2 Rxb6 22. Nc4 Rb4 23. Qd3 Nd7 24. Re2 Nb6 1/2-1/2

[Event "Bayern-ch 92th"]
[Site "Lichtenfels"]
[Date "2021.08.23"]
[Round "3"]
[White "Link, Klaus"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1982"]
[BlackElo "2102"]
[PlyCount "110"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. d4 d6 5. Nf3 d5 6. Be2 Bd6 7. 0-0 0-0 8. Be3 Nd7 9. c4 dxc4 10. Bxc4 Nb6 11. Bd3 Nf6 12. Nc3 c6 13. Qc2 h6 14. a3 Be6 15. Ne5 Nfd5 16. Bd2 Nxc3 17. Bxc3 Re8 18. Bh7+ Kh8 19. Bf5 Bxe5 20. dxe5 Bxf5 21. Qxf5 Qd7 22. Qxd7 Nxd7 23. f4 Rad8 24. Rad1 Nb6 25. Ba5 Rxd1 26. Rxd1 Nd5 27. g3 Kg8 28. Kf2 Kf8 29. h4 h5 30. Rd3 Ke7 31. Rb3 b6 32. Bd2 Ke6 33. Rd3 g6 34. Kf3 Kf5 35. b4 a6 36. a4 Ke6 37. Be1 Rc8 38. Rb3 c5 39. bxc5 Rxc5 40. Bf2 Rc6 41. Rd3 Rc3 42. Ke4 Rc4+ 43. Rd4 Nc3+ 44. Kf3 Rxd4 45. Bxd4 Nxa4 46. g4 Nc5 47. f5+ Ke7 48. gxh5 gxh5 49. Bxc5+ bxc5 50. Ke4 a5 51. Kd3 Kd7 52. Kc3 Kc6 53. Kb3 Kd5 54. e6 fxe6 55. f6 Kd6 0-1

[Event "Bayern-ch 92th"]
[Site "Lichtenfels"]
[Date "2021.08.22"]
[Round "1"]
[White "Bruss, Robert"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "1800"]
[BlackElo "2102"]
[PlyCount "71"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 axb4 11. Bxb4 b6 12. a4 Ne8 13. a5 c5 14. dxc6 Nxc6 15. Ba3 Nxa5 16. Nb5 Nb7 17. Qd5 Rb8 18. Rfd1 Be6 19. Qd3 Rc8 20. Rac1 Nc5 21. Bxc5 Rxc5 22. Nxd6 Nxd6 23. Qxd6 Qxd6 24. Rxd6 b5 25. Ng5 Bxc4 26. Bxc4 bxc4 27. Rc2 h6 28. Nf3 Rfc8 29. Kf1 Kf8 30. Ra6 Ke7 31. Ke2 R8c7 32. Nd2 h5 33. Ra4 c3 34. Nb1 Bh6 35. Ra6 Bd2 36. Nxd2 1/2-1/2

[Event "Bamberg op-A 3rd"]
[Site "Bamberg"]
[Date "2021.07.29"]
[Round "3"]
[White "Hacker, Jonas"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2355"]
[BlackElo "2102"]
[PlyCount "45"]
[EventDate "2021.07.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. Qg4 Ne7 7. Nf3 Qb6 8. Bd3 a5 9. 0-0 Bd7 10. Qxg7 Rg8 11. Qf6 Nbc6 12. Bxh7 Rf8 13. Nc3 a4 14. Rb1 Qa6 15. Bd3 Qa7 16. Nb5 Qb6 17. b4 axb3 18. Rxb3 Ng8 19. Qg7 Qa5 20. Bd2 Qd8 21. Be3 Be7 22. Bb6 Qxb6 23. Nd6+ 1-0

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "1.2"]
[White "Foerster, Fabio"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1602"]
[BlackElo "2127"]
[PlyCount "63"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Ersingen"]
[BlackTeam "Bamberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 e6 6. d3 Nge7 7. Nge2 0-0 8. 0-0 d6 9. f4 Nd4 10. Nxd4 Bxd4+ 11. Kh1 Bd7 12. Ne2 Bg7 13. Rb1 Rb8 14. Be3 Nc6 15. a3 b5 16. cxb5 Rxb5 17. Nc3 Rb8 18. Qd2 Nd4 19. Bxd4 Bxd4 20. h3 Qa5 21. g4 Rb3 22. f5 Bxc3 23. bxc3 Qxc3 24. Qh6 Rxb1 25. Rxb1 Qg7 26. Qf4 Qe5 27. Qg5 exf5 28. gxf5 f6 29. Qh6 g5 30. Rb7 Rd8 31. Bf3 Qd5 32. exd5 1/2-1/2

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "2.2"]
[White "Koehler, Lukas"]
[Black "Brunner, Jan"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2127"]
[BlackElo "2167"]
[PlyCount "182"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Bamberg"]
[BlackTeam "Schoenaich"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. a3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Nc3 Nf6 7. Be2 Be7 8. Be3 0-0 9. 0-0 a6 10. f4 Qc7 11. Bf3 e5 12. Nb3 exf4 13. Bxf4 Ne5 14. Bg5 Be6 15. Nd4 h6 16. Bf4 Rfe8 17. Nxe6 fxe6 18. Be2 Qb6+ 19. Kh1 Rac8 20. Rb1 Qc6 21. Bd3 Rf8 22. h3 b5 23. Qe2 Nfd7 24. Qh5 Nf6 25. Qe2 Nfd7 26. Qh5 Bf6 27. Rbd1 Nc5 28. Qe2 Rcd8 29. Qe3 Kh7 30. Be2 Ng6 31. Bh2 Be5 32. Bxe5 Nxe5 33. Bd3 Qd7 34. Ne2 Qe7 35. Nd4 Rf6 36. Nf3 Ncd7 37. Nxe5 Nxe5 38. Rxf6 Qxf6 39. Rf1 Qg6 40. Be2 Rc8 41. Bd3 Rc7 42. Qe2 Rf7 43. Rxf7 Qxf7 44. Kg1 Qf4 45. Qe1 Qg5 46. Qd1 Qe3+ 47. Kh1 Qf2 48. b3 Ng6 49. Qe2 Qxe2 50. Bxe2 Ne5 51. Kg1 Kg6 52. Kf2 Kf6 53. Ke3 Nc6 54. g3 Ke5 55. c3 Ne7 56. c4 bxc4 57. Bxc4 a5 58. b4 axb4 59. axb4 Nc8 60. Bd3 Nb6 61. b5 d5 62. exd5 Nxd5+ 63. Kf3 Kd4 64. Bf1 e5 65. g4 e4+ 66. Kf2 g5 67. Be2 Ke5 68. Bc4 Nb6 69. Be2 Kf4 70. Bf1 e3+ 71. Ke2 Ke4 72. Bg2+ Kd4 73. Bc6 Nc4 74. Bg2 Nb6 75. Bc6 Na4 76. Bf3 Nc3+ 77. Ke1 Nxb5 78. Be2 Nc3 79. Ba6 Ke4 80. Bb7+ Kf4 81. Kf1 Kg3 82. Bc8 Kxh3 83. Ke1 Kg3 84. Kf1 Kf4 85. Ke1 Ke4 86. Bf5+ Kf3 87. Kf1 e2+ 88. Ke1 Nd5 89. Bc8 Nf4 90. Bb7+ Ke3 91. Ba6 Ng2# 0-1

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "4.2"]
[White "Koehler, Lukas"]
[Black "Kraft, Adrian"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2127"]
[BlackElo "1764"]
[PlyCount "92"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Bamberg"]
[BlackTeam "Lichtenberg Borussia"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nc3 d5 3. Qf3 dxe4 4. Nxe4 Nd7 5. d4 Ndf6 6. c3 Nxe4 7. Qxe4 Nf6 8. Qh4 Bf5 9. Nf3 e6 10. Be2 Be7 11. Bg5 h6 12. 0-0 0-0 13. Bxf6 Bxf6 14. Qg3 Qb6 15. b3 c5 16. Ne5 Qd6 17. Ng4 Qe7 18. Nxh6+ Kh8 19. Nxf5 exf5 20. Bd3 g6 21. Rae1 Qd7 22. dxc5 Bxc3 23. Rd1 Bd4 24. Bc4 Rad8 25. Rd3 Rfe8 26. Qh4+ Kg7 27. Rfd1 Re4 28. Qg3 b5 29. cxb6 axb6 30. h3 b5 31. Bxf7 Qxf7 32. a4 Qe7 33. Qf3 Re1+ 34. Rxe1 Qxe1+ 35. Kh2 Be5+ 36. g3 Rxd3 37. Qxd3 Qxf2+ 38. Kh1 Qe1+ 39. Kg2 Qe4+ 40. Qxe4 fxe4 41. axb5 Kf6 42. g4 Bf4 43. h4 Ke6 44. Kf2 Kd5 45. Ke2 Kc5 46. b6 Kxb6 0-1

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "6.2"]
[White "Koehler, Lukas"]
[Black "Wachinger, Nikolas"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2127"]
[BlackElo "2369"]
[PlyCount "159"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Bamberg"]
[BlackTeam "Werder Bremen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. a3 Nc6 3. b4 Nf6 4. b5 Nd4 5. c3 Ne6 6. e5 Nd5 7. Nf3 d6 8. exd6 Qxd6 9. g3 g6 10. Bg2 Bg7 11. 0-0 0-0 12. a4 a6 13. Na3 Bd7 14. Bb2 axb5 15. Nxb5 Bxb5 16. axb5 Nb6 17. Qe2 Rxa1 18. Rxa1 Ra8 19. Rxa8+ Nxa8 20. d4 Nac7 21. h4 Qb6 22. Bf1 Kf8 23. Ne5 Bxe5 24. Qxe5 f6 25. Qe2 cxd4 26. cxd4 Nxd4 27. Qe3 e5 28. Qh6+ Kg8 29. Bc4+ Nde6 30. Ba3 Kh8 31. h5 Qd4 32. hxg6 Qd7 33. b6 Qg7 34. bxc7 Nxc7 35. Qxh7+ Qxh7 36. gxh7 Kxh7 37. f4 exf4 38. gxf4 Kg6 39. Kf2 b5 40. Bb3 f5 41. Ke3 Ne8 42. Kd4 Nf6 43. Bc2 Ng4 44. Bd3 Nh2 45. Bxb5 Nf3+ 46. Ke3 Nh4 47. Bd3 Ng2+ 48. Kf3 Ne1+ 49. Ke2 Ng2 50. Bc1 Kf6 51. Kf3 Ne1+ 52. Ke2 Ng2 53. Be3 Nh4 54. Kf2 Ng6 55. Kg3 Ne7 56. Bd4+ Kg6 57. Bc4 Nc6 58. Bc3 Ne7 59. Kf3 Nc6 60. Ke3 Kh5 61. Be5 Kg6 62. Bd5 Nb4 63. Bb3 Nc6 64. Kd3 Nb4+ 65. Kc4 Nc6 66. Kd5 Nb4+ 67. Ke6 Nd3 68. Bc2 Nc5+ 69. Kd5 Nd7 70. Kd6 Nb6 71. Bb3 Nc8+ 72. Kd7 Nb6+ 73. Kc6 Nc8 74. Bd6 Kf6 75. Bc5 Kg6 76. Kc7 Kh5 77. Kxc8 Kg4 78. Bd6 Kf3 79. Be5 Ke4 80. Kd7 1-0

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "7.2"]
[White "Tham, Nam"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1951"]
[BlackElo "2127"]
[PlyCount "76"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Weisse Dame"]
[BlackTeam "Bamberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 h5 6. h4 Bg4 7. Be2 e6 8. d4 Bd6 9. Ne5 Bxe5 10. dxe5 Qxd1+ 11. Bxd1 Nfd7 12. f3 Bf5 13. Nxf5 exf5 14. f4 Nc5 15. Bf3 Nba6 16. b3 0-0-0 17. Ba3 Ne6 18. g3 Nac7 19. Kf2 Rd2+ 20. Ke3 Rxc2 21. Rhd1 Nb5 22. Be7 Rc3+ 23. Kf2 Nbd4 24. Be2 Nxe2 25. Kxe2 Rxg3 26. Bg5 Re8 27. Kf2 Rc3 28. Rd2 Nc5 29. Re2 Ne4+ 30. Kg2 f6 31. exf6 gxf6 32. Bh6 Rg8+ 33. Kh2 Rg4 34. Rd1 Rxh4+ 35. Kg1 Rg4+ 36. Rg2 Rxg2+ 37. Kxg2 Rc2+ 38. Kh3 Nf2+ 0-1

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "5.2"]
[White "Tovmasyan, Minas"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1771"]
[BlackElo "2127"]
[PlyCount "62"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Rostock Makkabi"]
[BlackTeam "Bamberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. Nge2 cxd4 8. Nxd4 Nc6 9. Be2 Bd7 10. 0-0 Rc8 11. Rc1 Nxd4 12. Bxd4 Qa5 13. a3 a6 14. Qd3 Rfe8 15. Rfd1 Bc6 16. Qe3 Qd8 17. Nd5 Bxd5 18. cxd5 Nd7 19. Bxg7 Kxg7 20. Rxc8 Qxc8 21. Rc1 Qb8 22. Qc3+ f6 23. Qc7 Qa7+ 24. Kf1 Nc5 25. b4 Nb3 26. Rc2 Kf7 27. Qd7 Qe3 28. Qc7 Nd2+ 29. Ke1 Nb1 30. Qc4 Qg1+ 31. Bf1 Nxa3 0-1

[Event "GER-chT Christmas U20"]
[Site "Playchess.com INT"]
[Date "2020.12.29"]
[Round "3.2"]
[White "Weidemann, Jakob"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1570"]
[BlackElo "2127"]
[PlyCount "107"]
[EventDate "2020.12.29"]
[EventType "team-swiss (blitz)"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]
[WhiteTeam "Muenster II"]
[BlackTeam "Bamberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Nc3 d5 3. Qe2 b5 4. exd5 b4 5. Ne4 cxd5 6. Qb5+ Qd7 7. Nc5 Qxb5 8. Bxb5+ Nd7 9. Nf3 e6 10. Nxd7 Bxd7 11. Bxd7+ Kxd7 12. Ne5+ Ke8 13. Nd3 Bd6 14. b3 Nf6 15. Bb2 Kd7 16. 0-0-0 a5 17. Kb1 Rhc8 18. f3 Rc7 19. Rhe1 Rac8 20. Rc1 Bxh2 21. f4 Ne4 22. Bxg7 Rg8 23. Be5 Rcc8 24. Re2 f6 25. Bb2 Rg6 26. g4 Bg3 27. g5 Nc5 28. Nxc5+ Rxc5 29. Bxf6 Bxf4 30. Rg2 h6 31. Rf1 Bxg5 32. Bd4 Rc8 33. Rf7+ Kc6 34. Ra7 Rgg8 35. Rxa5 Ra8 36. Rxa8 Rxa8 37. Be3 Bxe3 38. dxe3 Rh8 39. Rh2 h5 40. Kb2 Kd6 41. c3 bxc3+ 42. Kxc3 Ke5 43. Rh4 Kf5 44. a4 Kg5 45. Rh1 h4 46. a5 e5 47. b4 Ra8 48. Kb3 Kg4 49. Ka4 Kg3 50. b5 h3 51. b6 Kg2 52. Rc1 h2 53. b7 Rf8 54. a6 1-0

[Event "Landesliga Nord 1920"]
[Site "Bayern"]
[Date "2020.09.20"]
[Round "9.3"]
[White "Koehler, Lukas"]
[Black "Hetzner, Hannes"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2088"]
[BlackElo "1997"]
[PlyCount "57"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bamberg SC"]
[BlackTeam "Erlangen SC II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Qf3 Nf6 5. h3 c5 6. Bb5+ Nc6 7. Ne2 Qb6 8. Nbc3 cxd4 9. Nxd5 Nxd5 10. Qxd5 Bc5 11. Bxc6+ bxc6 12. Qe5+ Be6 13. Nf4 0-0-0 14. Nxe6 Rhe8 15. 0-0 Rxe6 16. Qf5 Rd5 17. Qxf7 Re7 18. Qf8+ Rd8 19. Qf5+ Rdd7 20. Bg5 Rf7 21. Qd3 h6 22. Bd2 g5 23. b4 Bd6 24. a4 Bb8 25. b5 Qc7 26. g3 Rd5 27. bxc6 Rdf5 28. Qc4 Rf3 29. Qa6+ 1-0

[Event "Landesliga Nord 1920"]
[Site "Bayern"]
[Date "2020.03.01"]
[Round "7.2"]
[White "Goehring, Karl Heinz"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "D66"]
[WhiteElo "2121"]
[BlackElo "2088"]
[PlyCount "39"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Schweinfurt"]
[BlackTeam "Bamberg SC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 0-0 7. Rc1 c6 8. Bd3 h6 9. Bh4 dxc4 10. Bxc4 b5 11. Bd3 a6 12. 0-0 c5 13. dxc5 Nxc5 14. Bc2 Bb7 15. Qe2 Nd5 16. Nxd5 Bxd5 17. Bxe7 Qxe7 18. Bb1 Rac8 19. Nd2 Rfd8 20. e4 1/2-1/2

[Event "Landesliga Nord 1920"]
[Site "Bayern"]
[Date "2020.02.09"]
[Round "6.4"]
[White "Koehler, Lukas"]
[Black "Strobel, Walter"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2088"]
[BlackElo "2062"]
[PlyCount "61"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Bamberg SC"]
[BlackTeam "Klingenberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d3 d5 4. Qe2 Nf6 5. g3 Be7 6. Bg2 Nc6 7. 0-0 0-0 8. e5 Nd7 9. c4 Nb6 10. h4 Qc7 11. Bf4 Bd7 12. Nbd2 Rad8 13. Rfd1 Bc8 14. b3 Rfe8 15. Nf1 a5 16. N1h2 dxc4 17. bxc4 Qd7 18. Ng5 h6 19. Ne4 Nd4 20. Qg4 Kh8 21. Qh5 Kg8 22. Bxh6 gxh6 23. Ng4 Ne2+ 24. Kh2 Qd4 25. Qxh6 Nd7 26. Ngf6+ Nxf6 27. Nxf6+ Bxf6 28. exf6 Qg4 29. h5 e5 30. Rd2 Nd4 31. f3 1/2-1/2

[Event "Landesliga Nord 1920"]
[Site "Bayern"]
[Date "2020.01.19"]
[Round "5.4"]
[White "Koehler, Lukas"]
[Black "Lautner, Juergen"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2088"]
[BlackElo "2005"]
[PlyCount "69"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Bamberg SC"]
[BlackTeam "Schwandorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. Nc3 Bg7 3. f4 c5 4. Nf3 Nc6 5. Bb5 Nd4 6. 0-0 e6 7. Kh1 Ne7 8. Nxd4 cxd4 9. Ne2 0-0 10. c3 a6 11. Ba4 d3 12. Ng3 h5 13. f5 h4 14. Nh5 exf5 15. Nxg7 Kxg7 16. exf5 Nxf5 17. Qf3 Qc7 18. Qxd3 h3 19. g4 Qd6 20. Qxd6 Nxd6 21. Bd1 b5 22. Bf3 Bb7 23. d4 Bxf3+ 24. Rxf3 Rfc8 25. Bf4 Ne4 26. g5 d6 27. Kg1 Rh8 28. Re1 Rae8 29. Rfe3 f5 30. gxf6+ Nxf6 31. Bxd6 Rxe3 32. Rxe3 Rh5 33. Be5 Rf5 34. Rxh3 Kf7 35. Kg2 1-0

[Event "Erfurt op-A 29th"]
[Site "Erfurt"]
[Date "2019.12.30"]
[Round "8"]
[White "Koehler, Lukas"]
[Black "Kaiser, Dieter"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "2071"]
[BlackElo "2228"]
[PlyCount "50"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Be7 7. Qd2 a6 8. 0-0-0 0-0 9. f3 Qc7 10. Kb1 b5 11. a3 Rd8 12. g4 Nc6 13. Nxc6 Qxc6 14. Rg1 Rd7 15. Bd3 Rb8 16. f4 b4 17. axb4 Rxb4 18. e5 dxe5 19. fxe5 Nd5 20. Na2 Rdb7 21. b3 Bf8 22. Qc1 Nc3+ 23. Ka1 Ra4 24. bxa4 Qxa4 25. Bc4 Qxc4 0-1

[Event "Erfurt op-A 29th"]
[Site "Erfurt"]
[Date "2019.12.29"]
[Round "6"]
[White "Koehler, Lukas"]
[Black "Zhukov, Anton"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "2071"]
[BlackElo "2190"]
[PlyCount "78"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Be6 7. c4 Nbd7 8. Be3 Be7 9. Nc3 0-0 10. Bd3 b6 11. 0-0 Rc8 12. Nd5 Bxd5 13. cxd5 Nc5 14. Qd2 Nfd7 15. Rfc1 a5 16. Bb5 f5 17. Bxd7 Qxd7 18. Nxc5 dxc5 19. Qe2 f4 20. Bf2 Bd6 21. a3 g5 22. b4 cxb4 23. axb4 axb4 24. Bxb6 b3 25. Rcb1 Rc3 26. h3 Rfc8 27. Ra7 Qe8 28. Kh2 g4 29. fxg4 f3 30. Qd2 Qg6 31. Ra8 Rxa8 32. Qxc3 Qxe4 33. Qxb3 Qf4+ 34. Kg1 e4 35. gxf3 Qg3+ 36. Kf1 exf3 37. Qe3 Qg2+ 38. Ke1 f2+ 39. Qxf2 Bg3 0-1

[Event "Erfurt op-A 29th"]
[Site "Erfurt"]
[Date "2019.12.29"]
[Round "7"]
[White "Krause, Maximilian"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1992"]
[BlackElo "2071"]
[PlyCount "96"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Nh3 0-0 6. 0-0 a6 7. Be2 Re8 8. c4 Bf8 9. Nc3 d5 10. cxd5 Nxd5 11. Nxd5 Qxd5 12. Bc4 Qd8 13. Qf3 Be6 14. d4 Bxc4 15. bxc4 exd4 16. exd4 Nxd4 17. Bxd4 Qxd4 18. Qxb7 Bd6 19. Qc6 Qe4 20. Qxe4 Rxe4 21. Rfc1 Rb8 22. Rc2 f6 23. f3 Re3 24. c5 Be7 25. Nf4 Re5 26. Rac1 Rb5 27. Nd3 Rd5 28. Rc3 f5 29. Kf1 Bf6 30. Nf4 Rd2 31. R3c2 Rb2 32. Rxb2 Bxb2 33. Rb1 Be5 34. Ne2 Rxa2 35. Rb8+ Kf7 36. f4 Bf6 37. Rc8 Ke6 38. Rxc7 Kd5 39. Ke1 a5 40. c6 a4 41. Rc8 a3 42. Nc1 Bc3+ 43. Kf1 Ra1 44. Rd8+ Ke6 45. Rd1 Ba5 46. Ke2 Rb1 47. Kd3 a2 48. Re1+ Kd6 0-1

[Event "Erfurt op-A 29th"]
[Site "Erfurt"]
[Date "2019.12.28"]
[Round "4"]
[White "Koehler, Lukas"]
[Black "Wichmann, Cliff"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2071"]
[BlackElo "2298"]
[PlyCount "89"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Qf3 c5 5. Bb5+ Nc6 6. Ne2 a6 7. Bxc6+ bxc6 8. 0-0 Nf6 9. Bg5 Be7 10. h3 0-0 11. dxc5 Ne4 12. Bxe7 Qxe7 13. Re1 Qxc5 14. Nbc3 Ng5 15. Qg3 h6 16. Rad1 Bf5 17. Nd4 Ne4 18. Qe5 Nxf2 19. Kxf2 Bxc2 20. Rc1 Bg6 21. Kg3 Rae8 22. Qf4 Qc4 23. Nf3 Qxf4+ 24. Kxf4 f6 25. Rxe8 Rxe8 26. Re1 Rb8 27. b3 Rb4+ 28. Ke3 Kf7 29. Na4 Ke7 30. Nd4 Kd6 31. Rc1 Be8 32. Nc5 g6 33. Nxa6 Rb7 34. Nc5 Re7+ 35. Kd2 f5 36. a4 Ra7 37. b4 Ra8 38. a5 f4 39. Re1 Bf7 40. Nb7+ Kd7 41. Nc5+ Kd6 42. a6 Ra7 43. Nb7+ Kd7 44. Re7+ Kc8 45. Nd6+ 1-0

[Event "Erfurt op-A 29th"]
[Site "Erfurt"]
[Date "2019.12.28"]
[Round "5"]
[White "Schulz, Karsten"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2267"]
[BlackElo "2071"]
[PlyCount "81"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 c5 5. b3 e6 6. Bb2 Be7 7. 0-0 0-0 8. Nc3 Nc6 9. e3 d5 10. cxd5 exd5 11. d4 Ne4 12. dxc5 Nxc3 13. Bxc3 bxc5 14. Qd2 Qb6 15. Qb2 f6 16. Rfd1 Rfd8 17. Nh4 Nb4 18. Rd2 Na6 19. a3 Rab8 20. Rad1 Bc6 21. Rb1 Bf8 22. Qc2 Nc7 23. Rdd1 Be8 24. Qd2 Bf7 25. Ba5 Qd6 26. b4 cxb4 27. axb4 Rd7 28. Nf5 Qe5 29. Nd4 Qd6 30. Rbc1 Nb5 31. Nc6 Re8 32. Nd4 Na3 33. Qd3 Nc4 34. Nf5 Qa6 35. Rxc4 dxc4 36. Qxd7 c3 37. Bd5 Bxd5 38. Qxe8 Qb7 39. Rxd5 c2 40. Rc5 g6 41. Rxc2 1-0

[Event "Erfurt op-A 29th"]
[Site "Erfurt"]
[Date "2019.12.27"]
[Round "2"]
[White "Koehler, Lukas"]
[Black "Schmitzer, Klaus"]
[Result "0-1"]
[ECO "B16"]
[WhiteElo "2071"]
[BlackElo "2217"]
[PlyCount "144"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 Nd7 8. g3 Qb6 9. Bg2 Qa6 10. Bf1 Qb6 11. Qe2 a5 12. Be3 a4 13. Bg2 Qa6 14. c4 Nb6 15. Rc1 Bg7 16. 0-0 0-0 17. Nh4 Bg6 18. f4 f5 19. g4 e6 20. h3 Rfd8 21. Rfd1 Nd5 22. Nf3 Nxe3 23. Qxe3 Qb6 24. Rd2 Qb4 25. a3 Qb6 26. Rcd1 fxg4 27. hxg4 Qb3 28. Qxb3 axb3 29. Ne1 Ra4 30. Bf1 h5 31. g5 Bf5 32. Kf2 b5 33. cxb5 Raxd4 34. Nf3 Rxd2+ 35. Rxd2 Rxd2+ 36. Nxd2 cxb5 37. Bxb5 Bxb2 38. Nxb3 Bxa3 39. Kg3 Bb4 40. Bc6 Be1+ 41. Kg2 Bc3 42. Nc1 Bd2 43. Ne2 h4 44. Kf3 Kg7 45. Nd4 Bh3 46. Be4 Kf8 47. Ne2 Bf1 48. Ng1 h3 49. Kf2 h2 50. Kxf1 hxg1Q+ 51. Kxg1 Bxf4 52. g6 f5 53. Bc6 Bh6 54. Kg2 Ke7 55. Kf3 Kf6 56. Be8 e5 57. Ke2 e4 58. Kf2 Ke5 59. Bc6 f4 60. Ke2 f3+ 61. Kf1 Kf4 62. Bb5 Bg7 63. Bc4 e3 64. Bb5 Bf8 65. Bc4 Ke4 66. Ba6 Kd4 67. Bb5 Kc3 68. Bc6 e2+ 69. Ke1 Kd3 70. g7 Bxg7 71. Bb5+ Ke3 72. Bxe2 Bc3+ 0-1

[Event "Erfurt op-A 29th"]
[Site "Erfurt"]
[Date "2019.12.27"]
[Round "3"]
[White "Pellicoro, Fabian"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1889"]
[BlackElo "2071"]
[PlyCount "92"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Ne5 Bf5 7. Nc4 Qd8 8. Be2 e6 9. 0-0 Be7 10. Bf4 0-0 11. Bf3 Na6 12. Ne2 Rc8 13. Ng3 Bg6 14. c3 Nd5 15. Bxd5 cxd5 16. Ne5 Bd6 17. Nxg6 hxg6 18. Bxd6 Qxd6 19. Qd3 Nb8 20. Rfe1 Nd7 21. Nf1 Rb8 22. Nd2 b5 23. Nf3 b4 24. cxb4 Rxb4 25. b3 a5 26. Rec1 a4 27. bxa4 Rxa4 28. Qb5 Rfa8 29. Rc6 Qf4 30. Qb3 Nf6 31. Qe3 Qxe3 32. fxe3 Ne4 33. g3 Rxa2 34. Rxa2 Rxa2 35. Rc8+ Kh7 36. Ne5 Ra7 37. Rf8 f6 38. Nf7 g5 39. Nd8 Re7 40. Nc6 Rc7 41. Nd8 Re7 42. Nc6 Rb7 43. Re8 g4 44. Rxe6 Rb1+ 45. Kg2 Ng5 46. Re8 Nh3 0-1

[Event "Erfurt op-A 29th"]
[Site "Erfurt"]
[Date "2019.12.26"]
[Round "1"]
[White "Weimert, Miriam"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1845"]
[BlackElo "2071"]
[PlyCount "70"]
[EventDate "2019.12.26"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 e5 5. d3 Be7 6. Bg2 d6 7. 0-0 h6 8. a3 Be6 9. Rb1 d5 10. cxd5 Nxd5 11. e3 0-0 12. Qc2 Rc8 13. Ne2 Qd7 14. Rd1 Rfd8 15. Qd2 Qc7 16. Qe1 b5 17. b3 Nb6 18. d4 Bf5 19. Rb2 cxd4 20. exd4 Bxa3 21. Ra2 Bb4 22. Bd2 Bxd2 23. Raxd2 Be4 24. Nxe5 Bxg2 25. Nxc6 Bxc6 26. Rc1 Qd7 27. Ra1 Qd5 28. f3 Qxf3 29. Nf4 Qh1+ 30. Kf2 Qxh2+ 31. Kf1 Qh1+ 32. Kf2 Qf3+ 33. Kg1 Re8 34. Qf1 Qxg3+ 35. Ng2 Nd5 0-1

[Event "Landesliga Nord 1920"]
[Site "Bayern"]
[Date "2019.12.08"]
[Round "4.5"]
[White "Koehler, Lukas"]
[Black "Mantel, Ruben"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2088"]
[BlackElo "2082"]
[PlyCount "66"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Bamberg SC"]
[BlackTeam "Nuernberg NT II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. a4 Be7 10. Be2 0-0 11. 0-0 a5 12. Be3 g5 13. g4 Nd7 14. Qd2 h6 15. Ra3 f5 16. gxf5 Rxf5 17. Bg4 Nf8 18. Bxf5 Bxf5 19. f3 Ng6 20. Nc3 Nh4 21. Qf2 Qd7 22. Ne4 Bh3 23. Rd1 Rf8 24. Nd2 e4 25. Bd4 exf3 26. Qg3 g4 27. Kf2 Bg5 28. Ne4 Nf5 29. Nxg5 Nxg3 30. hxg3 hxg5 31. Re1 Re8 32. Rxe8+ Qxe8 33. Re3 Qxa4 0-1

[Event "Landesliga Nord 1920"]
[Site "Bayern"]
[Date "2019.11.24"]
[Round "3.5"]
[White "Burggraf, Michael"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "B16"]
[WhiteElo "1994"]
[BlackElo "2088"]
[PlyCount "70"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Forchheim"]
[BlackTeam "Bamberg SC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. g3 h5 7. h4 Bg4 8. f3 Bf5 9. Bd3 Bxd3 10. Qxd3 e6 11. Ne2 Bd6 12. Be3 f5 13. 0-0-0 Qa5 14. Kb1 Nd7 15. Bg5 Qc7 16. Rhg1 f6 17. Be3 0-0-0 18. c4 Rhg8 19. Rc1 Kb8 20. c5 Bxg3 21. Rxg3 Rxg3 22. Bf4 Ne5 23. Bxe5 fxe5 24. Nxg3 Rxd4 25. Qb3 Qf7 26. Rc4 Rd5 27. a3 Qg6 28. Ne2 Qg2 29. Qe3 a6 30. Nc3 Qf1+ 31. Kc2 Qxc4 32. b3 Qxc5 33. Qg5 Qf2+ 34. Kc1 Qe1+ 35. Kc2 Rc5 0-1

[Event "Landesliga Nord 1920"]
[Site "Bayern"]
[Date "2019.11.10"]
[Round "2.4"]
[White "Murmann, Andreas"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "1968"]
[BlackElo "2088"]
[PlyCount "46"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Kronach"]
[BlackTeam "Bamberg SC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. e4 dxe4 5. Nxe4 Nf6 6. Nc3 0-0 7. Bd3 b6 8. Nge2 Bb7 9. 0-0 c5 10. Bg5 cxd4 11. Nxd4 h6 12. Bh4 Nc6 13. Nxc6 Bxc6 14. Qe2 Qc7 15. Rac1 Qb7 16. f3 Rfd8 17. Rfd1 Nh5 18. Bxe7 Qxe7 19. Qe5 Nf6 20. a3 Nd7 21. Qe3 Qc5 22. Qxc5 Nxc5 23. Bc2 Kf8 1/2-1/2

[Event "Landesliga Nord 1920"]
[Site "Bayern"]
[Date "2019.10.20"]
[Round "1.5"]
[White "Hilge, Andreas"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2073"]
[BlackElo "2088"]
[PlyCount "59"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Kareth Lappersdorf"]
[BlackTeam "Bamberg SC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Be2 d5 5. Nbd2 Be7 6. c3 0-0 7. h3 Rb8 8. Qc2 b5 9. 0-0 Re8 10. Re1 a5 11. Nf1 h6 12. Be3 Bf8 13. g4 h5 14. N3h2 hxg4 15. hxg4 Be6 16. Ng3 g6 17. Kg2 Qc8 18. f3 Nd8 19. g5 Nh7 20. Rh1 Be7 21. Qd2 d4 22. cxd4 exd4 23. Bxd4 Bxg5 24. f4 Be7 25. Nf3 f6 26. f5 Ng5 27. Nxg5 fxg5 28. Rh8+ Kf7 29. fxg6+ Kxg6 30. Bh5# 1-0

[Event "GER-chT Lands U20"]
[Site "Wuerzburg"]
[Date "2019.10.06"]
[Round "7.5"]
[White "Koehler, Lukas"]
[Black "Riehle, Marco"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2040"]
[BlackElo "2309"]
[PlyCount "116"]
[EventDate "2019.10.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Bayern II"]
[BlackTeam "Baden II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. h3 Re8 11. Bf4 c6 12. Qf3 Bd6 13. b3 Qc7 14. Bxd6 Qxd6 15. Na4 Bd7 16. Qg3 Qxg3 17. fxg3 Re7 18. Rfe1 Rae8 19. Kf2 Kf8 20. Nc5 Bc8 21. g4 h6 22. c3 Rxe1 23. Rxe1 Rxe1 24. Kxe1 Ke7 25. Kd2 Kd6 26. b4 Nd7 27. Nxd7 Bxd7 28. Ke3 c5 29. a3 cxb4 30. axb4 Ke5 31. Be2 f6 32. Bd3 Be8 33. Be2 g5 34. Bd3 h5 35. gxh5 Bxh5 36. g4 Be8 37. Be2 Ba4 38. Bd3 Bd7 39. Bc2 Bb5 40. Bd3 Ba4 41. Bb1 Bb3 42. Bg6 Bd1 43. Bh7 Kd6 44. Bd3 Kc6 45. Bf1 Kb6 46. Bg2 Bb3 47. Kd4 Kc6 48. Bf1 Kd6 49. Be2 Bc2 50. Bf3 f5 51. gxf5 Bxf5 52. Bg4 Bc2 53. Bc8 Bb3 54. Bg4 Bc4 55. Bf5 Bf1 56. Bg4 Bg2 57. Bf5 Kc6 58. Bg4 Kd6 1/2-1/2

[Event "GER-chT Lands U20"]
[Site "Wuerzburg"]
[Date "2019.10.05"]
[Round "6.9"]
[White "Pahl, Theis"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1984"]
[BlackElo "2040"]
[PlyCount "67"]
[EventDate "2019.10.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Bremen/Niedersachsen"]
[BlackTeam "Bayern II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. b3 e6 3. Bb2 c5 4. g3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. d3 0-0 8. Nbd2 d6 9. e4 Nc6 10. Nc4 Nd7 11. Ne3 Rc8 12. h3 Qc7 13. Nh2 Bf6 14. c3 Rce8 15. f4 b5 16. Nhg4 Bd8 17. Kh2 Ne7 18. f5 exf5 19. Nxf5 Nxf5 20. Rxf5 Ne5 21. Nxe5 Rxe5 22. Rf2 Re6 23. c4 bxc4 24. bxc4 Rg6 25. Qh5 Bc8 26. Raf1 Rg5 27. Qf3 Rg6 28. Qe2 d5 29. e5 d4 30. Bc1 Rb6 31. Bf4 Qe7 32. Be4 Bb7 33. Bf5 Bc7 34. Re1 1/2-1/2

[Event "GER-chT Lands U20"]
[Site "Wuerzburg"]
[Date "2019.10.04"]
[Round "5.5"]
[White "Knuedel, Torben"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2193"]
[BlackElo "2040"]
[PlyCount "67"]
[EventDate "2019.10.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Niedersachsen"]
[BlackTeam "Bayern II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bxf3 8. Bxf3 Nf6 9. Be3 Nbd7 10. 0-0 Be7 11. Qe2 0-0 12. Rad1 Nb6 13. Bc1 Rad8 14. Ne4 Nxe4 15. Bxe4 Bf6 16. Rfe1 g6 17. Qf3 Bg7 18. c3 Qe7 19. Bc2 Rfe8 20. Bb3 Qf6 21. Qg4 h5 22. Qg3 Qe7 23. Rd3 Nd5 24. Rf3 Qc7 25. Qxc7 Nxc7 26. Bg5 Rd7 27. Re4 Kh7 28. g4 Bh6 29. Bf6 hxg4 30. hxg4 Nd5 31. g5 Nxf6 32. gxf6 g5 33. Bc2 Rd5 34. Rxe6+ 1-0

[Event "GER-chT Lands U20"]
[Site "Wuerzburg"]
[Date "2019.10.04"]
[Round "4.3"]
[White "Sulayev, Daniel"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2149"]
[BlackElo "2040"]
[PlyCount "83"]
[EventDate "2019.10.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Berlin"]
[BlackTeam "Bayern II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 d6 6. d3 e5 7. 0-0 Nge7 8. Ne1 Be6 9. Nc2 d5 10. cxd5 Nxd5 11. Ne3 Nde7 12. Nc4 0-0 13. Bg5 f6 14. Be3 b6 15. a4 Rb8 16. f4 Nd5 17. Kh1 Nxe3 18. Nxe3 exf4 19. gxf4 Nd4 20. Ned5 Kh8 21. e3 Nf5 22. Qe1 Ne7 23. Nxe7 Qxe7 24. e4 f5 25. Qg3 Rfd8 26. e5 a6 27. Qe3 Qd7 28. Rfd1 Qd4 29. Qxd4 Rxd4 30. Ne2 Rb4 31. d4 Rxb2 32. Bf3 Rd8 33. dxc5 Rc8 34. Nd4 Bc4 35. Rdc1 Rxc5 36. Rab1 Rxb1 37. Rxb1 b5 38. axb5 axb5 39. Bc6 Kg8 40. Bxb5 Bd5+ 41. Kg1 g5 42. Bd7 1/2-1/2

[Event "GER-chT Lands U20"]
[Site "Wuerzburg"]
[Date "2019.10.03"]
[Round "3.6"]
[White "Schmider, Niklas"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2261"]
[BlackElo "2040"]
[PlyCount "151"]
[EventDate "2019.10.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Baden"]
[BlackTeam "Bayern II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 Be7 6. d4 0-0 7. Bd3 Nf6 8. d5 Na6 9. 0-0 Bg4 10. Nc3 Nc5 11. Be2 a5 12. Be3 Nfd7 13. Rc1 Re8 14. b3 Bf6 15. Re1 h6 16. Qd2 Ne4 17. Nxe4 Rxe4 18. Qc2 Re8 19. Nd4 Bxe2 20. Rxe2 Bxd4 21. Bxd4 Rxe2 22. Qxe2 Qg5 23. Re1 b6 24. h3 Nf6 25. Qf3 Re8 26. Rxe8+ Nxe8 27. g3 Qg6 28. Kg2 Kf8 29. h4 Qb1 30. Qe2 Qf5 31. Qb2 Qe4+ 32. f3 Qf5 33. a3 Qd3 34. Kf2 a4 35. Qc3 Qxc3 36. Bxc3 axb3 37. Ke2 Ke7 38. Kd2 Nf6 39. Bd4 h5 40. Kc3 Ne8 41. Kxb3 Kd7 42. Ka4 c5 43. Bc3 Kc7 44. Kb3 Kd7 45. a4 g6 46. a5 bxa5 47. Ka4 Kc8 48. Kxa5 Kb7 49. Ka4 Kc8 50. Kb3 Kd7 51. Kc2 Ke7 52. Kd3 f6 53. Ke4 Kf7 54. g4 Ng7 55. Kf4 Ne8 56. Ba5 Ke7 57. Bb6 Ng7 58. Ba5 Ne8 59. Bd2 Ng7 60. Kg3 Kf7 61. Bf4 Ke7 62. Bh6 Ne8 63. Kf4 Kf7 64. Ke4 Ke7 65. Kf4 Kf7 66. Kg3 Ke7 67. Bc1 Kf7 68. Bb2 Ng7 69. Kf2 Ne8 70. Ke3 Ke7 71. Kd3 Nc7 72. Ke4 Ne8 73. Bc3 Kf7 74. Kd3 Ke7 75. Bd2 Kd7 76. Bh6 1/2-1/2

[Event "GER-chT Lands U20"]
[Site "Wuerzburg"]
[Date "2019.10.02"]
[Round "2.8"]
[White "Chassard, Cedric"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1929"]
[BlackElo "2040"]
[PlyCount "148"]
[EventDate "2019.10.01"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Saarland"]
[BlackTeam "Bayern II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Bd3 0-0 8. 0-0 Bg4 9. c3 Qc7 10. h3 Bh5 11. Be2 Re8 12. Re1 Nd7 13. Be3 Nb6 14. Nh4 Bxe2 15. Rxe2 g6 16. Qd3 Nd5 17. Rae1 Qd7 18. Bd2 f5 19. Nf3 Nf6 20. Rxe8+ Rxe8 21. Rxe8+ Qxe8 22. Qe3 Qe4 23. Qxe4 fxe4 24. Ne1 Nd7 25. Kf1 b5 26. Ke2 f5 27. Nc2 f4 28. b3 Nb6 29. Be1 Kf7 30. g3 g5 31. Kf1 Ke6 32. h4 h6 33. hxg5 hxg5 34. gxf4 gxf4 35. Ke2 Kd5 36. a3 a5 37. a4 Be7 38. axb5 cxb5 39. Bd2 Bd6 40. Bc1 a4 41. bxa4 Nxa4 42. Kd2 Nb6 43. Ke2 Nc4 44. f3 e3 45. Kd3 Ke6 46. Ke2 Kd5 47. Kd3 Be7 48. Ke2 Na5 49. Ba3 Bxa3 50. Nxa3 b4 51. cxb4 Nc6 52. Kd3 Nxb4+ 53. Kc3 Na2+ 54. Kd3 Nc1+ 55. Kc2 Ne2 56. Kd3 Nxd4 57. Nb1 Nxf3 58. Nc3+ Ke5 59. Nd1 Ne1+ 60. Ke2 Ng2 61. Kf3 Nh4+ 62. Ke2 Kd4 63. Kf1 f3 64. Nb2 e2+ 65. Kf2 Ng2 66. Kxf3 e1Q 67. Kxg2 Qe2+ 68. Kg3 Qxb2 69. Kf4 Qf2+ 70. Kg5 Ke5 71. Kg6 Qf6+ 72. Kh5 Qg7 73. Kh4 Kf4 74. Kh5 Qg5# 0-1

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2019.06.15"]
[Round "9"]
[White "Koehler, Lukas"]
[Black "Koelle, Tobias"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2068"]
[BlackElo "2225"]
[PlyCount "43"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Be2 d5 5. exd5 Nxd5 6. 0-0 Nxc3 7. bxc3 e4 8. Ne1 Bd6 9. f3 exf3 10. Nxf3 0-0 11. d4 Bg4 12. Rb1 Rb8 13. Ng5 Bxe2 14. Qxe2 h6 15. Ne4 f5 16. Qc4+ Kh8 17. Nxd6 cxd6 18. Bf4 g5 19. Bd2 Qd7 20. Qd3 d5 21. h4 f4 22. hxg5 1/2-1/2

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2019.06.13"]
[Round "7"]
[White "Rietschel, Tilo"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "C79"]
[WhiteElo "2005"]
[BlackElo "2068"]
[PlyCount "80"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 a6 6. Ba4 d6 7. c3 Bd7 8. d4 b5 9. Bb3 Nf6 10. Nbd2 0-0 11. Nf1 Nh5 12. Ne3 h6 13. a4 Rb8 14. axb5 axb5 15. Nd5 Bg4 16. Ra6 Bd7 17. dxe5 dxe5 18. Be3 Kh7 19. Qd2 Qc8 20. Rea1 Rd8 21. Nh4 Qb7 22. f3 Be6 23. Qf2 Ra8 24. Rxa8 Rxa8 25. Rxa8 Qxa8 26. g4 Qa1+ 27. Kg2 Nf4+ 28. Bxf4 exf4 29. Qc2 Na5 30. e5 Nxb3 31. Nxg6 Qc1 32. Nf8+ Kg8 33. Qh7+ Kxf8 34. Nf6 Qd2+ 35. Kg1 Qe1+ 36. Kg2 Qe2+ 37. Kg1 Bxf6 38. exf6 Qe1+ 39. Kg2 Qe2+ 40. Kg1 Ke8 0-1

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2019.06.12"]
[Round "5"]
[White "Buller, Ian Joshua"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1904"]
[BlackElo "2068"]
[PlyCount "80"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Qc7 6. Nf3 g6 7. 0-0 Bf5 8. Re1 Nc6 9. c3 Bg7 10. Qe2 Bxd3 11. Qxd3 0-0 12. Nbd2 Nd7 13. Nf1 Rfe8 14. Be3 a6 15. Qd2 Nb6 16. b3 f6 17. Rac1 Rad8 18. Bh6 e5 19. dxe5 fxe5 20. Bxg7 Qxg7 21. Rcd1 Re7 22. Qg5 h6 23. Qc1 Kh7 24. Rd2 Red7 25. Red1 d4 26. cxd4 exd4 27. Ng3 Nc8 28. Qb1 N8e7 29. h4 Kh8 30. Qe4 Nd5 31. Ne2 Re7 32. Qd3 Rxe2 33. Rxe2 Nf4 34. Qe4 Nxe2+ 35. Qxe2 Qf6 36. Qe4 Kg7 37. Rd3 Qd6 38. h5 g5 39. Rd1 Qf6 40. Nh2 Rd6 1/2-1/2

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2019.06.12"]
[Round "6"]
[White "Koehler, Lukas"]
[Black "Burian, Simon"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2068"]
[BlackElo "2001"]
[PlyCount "55"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e5 6. c3 d6 7. Nf3 Nge7 8. 0-0 0-0 9. a4 a6 10. Be3 Qc7 11. Na3 Rb8 12. Nc2 f5 13. fxe5 Nxe5 14. Bf4 Qb6 15. Rb1 fxe4 16. dxe4 Be6 17. b4 cxb4+ 18. Be3 Qc7 19. cxb4 Bc4 20. Re1 Nd3 21. Re2 Nb2 22. Qe1 Bxe2 23. Qxe2 Nxa4 24. Ncd4 Nc3 25. Qc2 Qc4 26. Bf1 Qc8 27. Rc1 Kh8 28. Qd3 1/2-1/2

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2019.06.11"]
[Round "4"]
[White "Biermann, Florian"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2028"]
[BlackElo "2068"]
[PlyCount "82"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 e5 5. Bg2 d6 6. d3 h6 7. 0-0 Be6 8. Ne1 Qd7 9. Nc2 d5 10. cxd5 Nxd5 11. Ne3 Nf6 12. Nc4 Bh3 13. b3 Be7 14. Bb2 h5 15. Bxh3 Qxh3 16. f3 0-0-0 17. Rf2 g5 18. Qf1 Qe6 19. Ne4 Nd5 20. Nc3 Rh7 21. Nxd5 Qxd5 22. Rd1 Qe6 23. e4 Bd6 24. Ne3 Ne7 25. Qe2 Rg8 26. Qc2 Kb8 27. Qc4 Qh6 28. g4 Qf6 29. Nf5 Nxf5 30. exf5 Qd8 31. Qe4 f6 32. Re2 Rgh8 33. Rdd2 Qb6 34. Kh1 Qa5 35. Rc2 hxg4 36. fxg4 Qa6 37. Rc4 b5 38. Rcc2 Rh3 39. b4 Qb6 40. bxc5 Bxc5 41. Qd5 Be7 1/2-1/2

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2019.06.10"]
[Round "3"]
[White "Koehler, Lukas"]
[Black "Fromm, Marius"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2068"]
[BlackElo "2038"]
[PlyCount "52"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. f4 d6 8. fxe5 dxe5 9. Bg5 Qe7 10. Na3 Bd7 11. c3 Ne6 12. Bxe6 Bxe6 13. Kh1 Qd7 14. Bxf6 gxf6 15. Qf3 0-0-0 16. Qxf6 Qd6 17. Qf2 Qb6 18. Qe2 Rd7 19. b4 Qc6 20. Qe3 b6 21. Nc2 Rhd8 22. Rfc1 Rd3 23. Nd4 Qc4 24. Qe2 exd4 25. cxd4 Qxd4 26. Qc2 Rd7 0-1

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2019.06.09"]
[Round "2"]
[White "Hommel, Niclas"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1953"]
[BlackElo "2068"]
[PlyCount "51"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nd7 5. d4 e6 6. Nd2 Bd6 7. Ndf3 Qc7 8. Nxd7 Bxd7 9. Bd3 h6 10. 0-0 Nf6 11. Re1 Bc6 12. Ne5 Nd7 13. Bf4 Bxe5 14. dxe5 Qb6 15. b3 Rc8 16. Qg4 Kf8 17. h4 h5 18. Qg3 Bb5 19. Be3 Qa6 20. Rac1 Bxd3 21. cxd3 Rc6 22. Qg5 Qa5 23. b4 f6 24. exf6 gxf6 25. Qh6+ Rxh6 26. Bxh6+ 1-0

[Event "GER-ch U16"]
[Site "Willingen"]
[Date "2019.06.09"]
[Round "1"]
[White "Koehler, Lukas"]
[Black "Trifan, Andrei Ioan"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2068"]
[BlackElo "2268"]
[PlyCount "46"]
[EventDate "2019.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. Nge2 c5 7. d3 Nc6 8. 0-0 Ne8 9. Be3 Nc7 10. d4 cxd4 11. Nxd4 Ne5 12. b3 Ng4 13. Bc1 Ne6 14. Nde2 Rb8 15. h3 Ne5 16. Be3 Nc6 17. Rc1 a6 18. Nd5 b6 19. f4 f5 20. exf5 gxf5 21. g4 Bd7 22. gxf5 Rxf5 23. Ng3 Rf7 1/2-1/2

[Event "Landesliga Nord 1819"]
[Site "Bayern"]
[Date "2019.04.07"]
[Round "9.8"]
[White "Radeck, Jochen"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1819"]
[BlackElo "2071"]
[PlyCount "70"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Forchheim SC"]
[BlackTeam "Bamberg SC"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 e6 5. b3 Be7 6. Bb2 0-0 7. c4 bxc4 8. bxc4 c5 9. Nc3 d6 10. d3 Qd7 11. Rb1 Nc6 12. Ba1 Rab8 13. Qa4 a6 14. a3 d5 15. cxd5 exd5 16. Nd2 Rfd8 17. Rb6 Qc7 18. Rfb1 Nd4 19. R6b2 Bc6 20. Qd1 Nb5 21. Nxb5 axb5 22. Qc2 Bd6 23. Rb3 Nd7 24. f4 Ra8 25. Bb2 Bf8 26. Rc3 Nb6 27. Rxc5 Bxc5+ 28. Qxc5 Na4 29. Qd4 Nxb2 30. Qxb2 Qe7 31. e4 Qxa3 32. Qxa3 Rxa3 33. exd5 Bxd5 34. Rxb5 Bxg2 35. Kxg2 Ra2 0-1

[Event "Landesliga Nord 1819"]
[Site "Bayern"]
[Date "2019.03.24"]
[Round "8.8"]
[White "Koehler, Lukas"]
[Black "Suess, Stefan"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2071"]
[BlackElo "2002"]
[PlyCount "81"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bamberg SC"]
[BlackTeam "Nuernberg NT II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. b3 Nf6 2. Bb2 g6 3. Bxf6 exf6 4. c4 d5 5. cxd5 Qxd5 6. Nc3 Qa5 7. e3 Bg7 8. Nge2 c5 9. Rc1 Nc6 10. Ne4 b6 11. Nd6+ Ke7 12. Nc4 Qa6 13. Nc3 Be6 14. Be2 Qb7 15. Bf3 Rhd8 16. d4 cxd4 17. exd4 Bxc4 18. bxc4 Kf8 19. 0-0 Qd7 20. Qa4 Rac8 21. Bxc6 Qxc6 22. Qxc6 Rxc6 23. Nb5 a6 24. d5 Rc5 25. Nd4 b5 26. cxb5 Rxc1 27. Rxc1 axb5 28. Nxb5 Rxd5 29. a4 f5 30. g3 Rd2 31. Rc7 Ra2 32. Ra7 Bf6 33. Kg2 Be7 34. Ra8+ Kg7 35. Nc3 Rc2 36. Nd1 Rd2 37. Ne3 Bc5 38. Kf3 Ra2 39. h4 Bd4 40. a5 h5 41. a6 1/2-1/2

[Event "Regionalliga Nord-West 1819"]
[Site "Bayern"]
[Date "2019.02.03"]
[Round "6.2"]
[White "Lang, Stefan1"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2085"]
[BlackElo "2071"]
[PlyCount "145"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bad Neustadt"]
[BlackTeam "Bamberg SC II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Bd3 dxc4 8. Bxc4 Bb7 9. 0-0 Nbd7 10. Qe2 Nh5 11. Be5 a6 12. a4 Nxe5 13. dxe5 g6 14. Rfd1 Qc8 15. Rac1 c5 16. e4 Bc6 17. Qe3 Qb7 18. g4 Ng7 19. Bd3 b5 20. axb5 axb5 21. Bb1 f5 22. exf6 Rxf6 23. Ne5 Raf8 24. Rf1 Qc7 25. Nxc6 Qxc6 26. f4 c4 27. Qg3 Bc5+ 28. Kg2 Bd6 29. Ne2 g5 30. Qc3 gxf4 31. Nd4 Qb7 32. Nf3 e5 33. b3 Rg6 34. h3 Ne6 35. bxc4 b4 36. Qd3 Rd8 37. Qd5 Qg7 38. Rcd1 Kh8 39. Qc6 Be7 40. Rxd8+ Nxd8 41. Qe8+ Qf8 42. Qxf8+ Bxf8 43. Nxe5 Re6 44. Rxf4 Bd6 45. Nf7+ Nxf7 46. Rxf7 Re7 47. Rxe7 Bxe7 48. Kf3 Bd6 49. Ke3 Be5 50. Ba2 Kg7 51. c5 Kf6 52. h4 h6 53. Kd3 Bg3 54. c6 Ke7 55. g5 hxg5 56. hxg5 Kd6 57. Bd5 Be5 58. Kc4 Bc3 59. Kb5 Kc7 60. Kc5 Bg7 61. Kxb4 Kd6 62. Kb5 Bd4 63. g6 Kc7 64. Kc4 Be5 65. Kc5 Bg7 66. Bf7 Bf8+ 67. Kd5 Bg7 68. e5 Bf8 69. Be8 Kd8 70. Ke6 Bg7 71. Bd7 Kc7 72. Kf7 Bxe5 73. g7 1-0

[Event "Regionalliga Nord-West 1819"]
[Site "Bayern"]
[Date "2019.01.20"]
[Round "5.4"]
[White "Koehler, Lukas"]
[Black "Bobrov, Andrey"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2071"]
[BlackElo "1999"]
[PlyCount "93"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bamberg SC II"]
[BlackTeam "Rottendorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 d5 7. Bg5 Be7 8. Ne5 0-0 9. Qf3 Be6 10. 0-0-0 Nbd7 11. Nxd7 Qxd7 12. h3 Rfe8 13. Bf4 c6 14. Bd3 Bf5 15. Be5 Bxd3 16. Qxd3 Rf8 17. g4 Ne8 18. Ne2 Bd6 19. Ng3 f6 20. Bxd6 Nxd6 21. f3 Rae8 22. Rde1 Rxe1+ 23. Rxe1 Re8 24. Rxe8+ Qxe8 25. Qe2 Qxe2 26. Nxe2 Kf7 27. Nf4 g5 28. Nd3 Kg6 29. Kd2 h5 30. b3 hxg4 31. hxg4 f5 32. Nf2 fxg4 33. fxg4 Kf6 34. Kd3 b5 35. c3 Ke7 36. Nd1 Ne8 37. Ne3 Nf6 38. c4 bxc4+ 39. bxc4 dxc4+ 40. Kxc4 Kd6 41. Nf5+ Kc7 42. Nh6 Kb6 43. Nf7 Nxg4 44. Nxg5 Ne3+ 45. Kb3 c5 46. dxc5+ Kxc5 47. Ne4+ 1/2-1/2

[Event "Oberfranken-ch"]
[Site "Schney"]
[Date "2019.01.06"]
[Round "7"]
[White "Koehler, Lukas"]
[Black "Grosshans, Ralf Michael"]
[Result "1/2-1/2"]
[ECO "B05"]
[WhiteElo "1983"]
[BlackElo "2133"]
[PlyCount "15"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 6. 0-0 Bxf3 7. Bxf3 dxe5 8. dxe5 1/2-1/2

[Event "Oberfranken-ch"]
[Site "Schney"]
[Date "2019.01.05"]
[Round "6"]
[White "Heimerl, Detlef"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1923"]
[BlackElo "1983"]
[PlyCount "102"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 b6 3. f4 Bb7 4. Nf3 e6 5. Bd3 Be7 6. Nbd2 d5 7. c3 0-0 8. Qe2 Ne4 9. 0-0 c5 10. Ne5 f6 11. Ng4 f5 12. Ne5 Nc6 13. Rf3 Nxe5 14. fxe5 Qe8 15. Nf1 Kh8 16. Bxe4 dxe4 17. Rf2 h5 18. Qd1 g5 19. Bd2 Qg6 20. Ng3 h4 21. Ne2 Rfc8 22. Rc1 c4 23. Qf1 Kg7 24. Qd1 Qe8 25. h3 Bd5 26. Kh2 b5 27. a3 a5 28. Rf1 Rcb8 29. Ra1 Rb7 30. Qe1 Rab8 31. Ra2 Qg6 32. Qf2 Kf7 33. Kh1 Ke8 34. Qe1 a4 35. Ra1 Kd7 36. Qf2 Kc6 37. Rg1 Bf8 38. Raf1 Bh6 39. Qe1 Rf7 40. Qf2 Rbf8 41. Qe1 Qh5 42. Nc1 f4 43. Kh2 g4 44. exf4 Bxf4+ 45. Bxf4 Rxf4 46. Rxf4 Rxf4 47. Rf1 Qf5 48. Kg1 gxh3 49. Rxf4 Qxf4 50. gxh3 e3 51. Na2 Qg5+ 0-1

[Event "Oberfranken-ch"]
[Site "Schney"]
[Date "2019.01.05"]
[Round "5"]
[White "Koehler, Lukas"]
[Black "Brunsch, Michael"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "1983"]
[BlackElo "1947"]
[PlyCount "77"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. Nf3 d6 4. c4 e5 5. Nc3 Nf6 6. d3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 Rb8 10. e3 Bg4 11. h3 Bxf3 12. Bxf3 Qd7 13. Bg2 Ne8 14. Qd2 Nc7 15. Rfd1 Ne6 16. Ne2 Rfe8 17. Kh2 Re7 18. Re1 Rbe8 19. a3 f5 20. Bd5 Kh8 21. b4 Nc7 22. Bg2 Ne6 23. Rab1 h5 24. h4 Kh7 25. Kh1 b6 26. b5 Ncd8 27. Nc3 Rf7 28. f4 exf4 29. exf4 Nd4 30. Nd5 Rff8 31. a4 N8e6 32. Bc3 Qd8 33. a5 Nc7 34. axb6 axb6 35. Bxd4 Bxd4 36. Nxb6 Rxe1+ 37. Qxe1 Re8 38. Qa5 Na8 39. Bxa8 1-0

[Event "Oberfranken-ch"]
[Site "Schney"]
[Date "2019.01.04"]
[Round "4"]
[White "Brueckner, Klaus"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1892"]
[BlackElo "1983"]
[PlyCount "78"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nbd2 b6 7. Bd3 Bb7 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Rc1 Nd7 11. 0-0 c5 12. a3 Rac8 13. Qe2 cxd4 14. Nxd4 Nc5 15. Bc4 a6 16. b4 Na4 17. Bxd5 exd5 18. N2b3 Qd7 19. Qd2 Rc4 20. Nf3 Qc7 21. Rxc4 dxc4 22. Nbd4 b5 23. Qc2 Qe7 24. Nd2 Rc8 25. Rd1 g6 26. Ne2 Qe5 27. Nf3 Bxf3 28. gxf3 Ra8 29. Rd4 Qf6 30. Kg2 Rd8 31. Rxd8+ Qxd8 32. Nd4 Qd5 33. Kf1 Kg7 34. Qe4 Qxe4 35. fxe4 Kf6 36. f4 Nc3 37. Nc6 Nxe4 38. Nb8 c3 39. Ke2 c2 0-1

[Event "Oberfranken-ch"]
[Site "Schney"]
[Date "2019.01.04"]
[Round "3"]
[White "Koehler, Lukas"]
[Black "Geisensetter, Franz"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1983"]
[BlackElo "1972"]
[PlyCount "52"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bd3 Nc6 8. Be3 Bg4 9. h3 Be6 10. Qd2 Qd7 11. 0-0-0 a6 12. Kb1 0-0-0 13. Nd4 Ne5 14. Nxe6 fxe6 15. Be2 h6 16. g4 Qc6 17. f4 Nc4 18. Qd4 Nxe3 19. Qxe3 Qd7 20. Bf3 Kb8 21. Rhe1 Bh4 22. Re2 Rhe8 23. Qe4 c6 24. c4 Qc7 25. a3 d5 26. Qe5 Bg3 1/2-1/2

[Event "Oberfranken-ch"]
[Site "Schney"]
[Date "2019.01.03"]
[Round "1"]
[White "Koehler, Lukas"]
[Black "Moenius, Oliver"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1983"]
[BlackElo "1814"]
[PlyCount "77"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. f4 c5 4. Nf3 Nc6 5. Bb5 e6 6. Bxc6 bxc6 7. e5 d5 8. exd6 Qxd6 9. d3 Bxc3+ 10. bxc3 Ne7 11. c4 Nf5 12. 0-0 0-0 13. Rb1 Ba6 14. g4 Ng7 15. Qe1 h5 16. Ng5 hxg4 17. Ne4 Qd8 18. Nxc5 Bc8 19. Bb2 Rb8 20. Qe5 Rxb2 21. Qxb2 Nh5 22. Qe5 Qh4 23. Qe1 g3 24. hxg3 Nxg3 25. Kg2 Nf5 26. Qxh4 Nxh4+ 27. Kf2 Kg7 28. Rb8 f6 29. Ne4 Nf5 30. c5 e5 31. Nd6 Nxd6 32. cxd6 exf4 33. Re1 Bf5 34. Re7+ Rf7 35. Rc7 g5 36. Rbb7 Rxc7 37. dxc7 Kg6 38. Rb8 g4 39. c8Q 1-0

[Event "Oberfranken-ch"]
[Site "Schney"]
[Date "2019.01.03"]
[Round "2"]
[White "Wagner, Norbert"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "2005"]
[BlackElo "1983"]
[PlyCount "64"]
[EventDate "2019.01.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. e4 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. Bd3 Qc7 9. 0-0 0-0 10. Bd2 e5 11. Rc1 Re8 12. Bg5 Be7 13. Kh1 h6 14. Be3 d6 15. Be2 Nd7 16. Qd2 Bb7 17. f4 exf4 18. Bxf4 Bf8 19. Rcd1 Ne5 20. Bxe5 Rxe5 21. Qf4 Rae8 22. Bf3 Be7 23. Qd2 Rd8 24. Qd4 Bc8 25. b4 Bf6 26. Qd3 Be6 27. Rc1 Rc8 28. Rfd1 Be7 29. Ne2 Qb6 30. a3 Rb8 31. Nd4 Bd7 32. Nb3 Be6 1/2-1/2

[Event "Landesliga Nord 1819"]
[Site "Bayern"]
[Date "2018.12.16"]
[Round "4.8"]
[White "Koehler, Lukas"]
[Black "Langer, Simon"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2071"]
[BlackElo "1904"]
[PlyCount "57"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bamberg SC"]
[BlackTeam "Klingenberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 Nxb5 7. Nxb5 a6 8. Nc3 e6 9. e5 Ne7 10. Ne4 0-0 11. Qe1 b6 12. g4 d5 13. Nf6+ Kh8 14. Qh4 h6 15. d4 Ng8 16. g5 Bb7 17. Qh3 Ne7 18. Be3 Nf5 19. Bf2 h5 20. c3 Rc8 21. Kh1 Bxf6 22. gxf6 b5 23. Rg1 Kh7 24. Rg5 Rg8 25. Rxh5+ gxh5 26. Qxh5+ Nh6 27. Ng5+ Rxg5 28. fxg5 Qf8 29. Rg1 1-0

[Event "Regionalliga Nord-West 1819"]
[Site "Bayern"]
[Date "2018.11.25"]
[Round "3.4"]
[White "Reissner, Andreas"]
[Black "Koehler, Lukas"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1997"]
[BlackElo "2071"]
[PlyCount "132"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Marktleuthen"]
[BlackTeam "Bamberg SC II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 e5 6. Nf3 Nc6 7. 0-0 h6 8. Nc3 Bc5 9. Ne2 0-0 10. Ng3 d5 11. c3 Be6 12. Qe2 Qc7 13. Be3 Bxe3 14. Qxe3 dxe4 15. Bxe4 Nxe4 16. Nxe4 b6 17. Rfd1 Rad8 18. Rxd8 Rxd8 19. h3 f5 20. Ned2 e4 21. Nf1 Qd6 22. Ne1 Ne5 23. Nc2 Nc4 24. Qc1 f4 25. Nd4 Bc8 26. Qc2 Bb7 27. Qe2 Ne5 28. Qh5 Bd5 29. Nf5 Qf6 30. Rd1 g6 31. Qh4 Qxh4 32. Nxh4 Kf7 33. g3 fxg3 34. Nxg3 Rd7 35. b3 Bc6 36. Rxd7+ Nxd7 37. Ng2 Ne5 38. Ne3 Ke6 39. Kf1 b5 40. Nc2 Nf3 41. Ke2 Ke5 42. Ke3 Nh4 43. Nd4 Bb7 44. Nge2 Ng2+ 45. Kd2 Bc8 46. Nc6+ Kd6 47. Nb4 a5 48. Nc2 Bxh3 49. Ncd4 Bd7 50. Ng3 Ke5 51. Ke2 b4 52. cxb4 Kxd4 53. bxa5 Bc6 54. Kd2 h5 55. a4 h4 56. Ne2+ Ke5 57. a6 h3 58. a7 h2 59. Ng3 Kd4 60. b4 e3+ 61. fxe3+ Nxe3 62. b5 Ba8 63. a5 Nf1+ 64. Nxf1 h1Q 65. Ng3 Qg2+ 66. Ne2+ Kc5 0-1

[Event "Landesliga Nord 1819"]
[Site "Bayern"]
[Date "2018.11.11"]
[Round "2.8"]
[White "Koehler, Lukas"]
[Black "Schmidt, Oliver"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2071"]
[BlackElo "1795"]
[PlyCount "73"]
[EventDate "2018.10.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bamberg SC"]
[BlackTeam "Schwandorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. Qe2 Nc6 4. g3 g6 5. Bg2 Bg7 6. c3 Nge7 7. 0-0 0-0 8. d3 d6 9. h4 h5 10. Na3 b6 11. Nc2 Ba6 12. Re1 Rc8 13. Bh3 Ne5 14. Nxe5 dxe5 15. Rd1 Rc6 16. Bg5 Rd6 17. c4 Qd7 18. Rd2 Rd8 19. Rad1 f6 20. Be3 Kf7 21. Ne1 Qc6 22. f4 exf4 23. gxf4 Bb7 24. Bg2 e5 25. f5 Rh8 26. fxg6+ Nxg6 27. Nf3 Bh6 28. Rf1 Nf4 29. Bxf4 Bxf4 30. Rdd1 Bc8 31. Kh1 Ke7 32. d4 cxd4 33. Nxd4 exd4 34. e5 Qxg2+ 35. Qxg2 fxe5 36. Qg7+ Ke6 37. Rxf4 1-0

[Event "Youth District Germany"]
[Site "Wuerzburg"]
[Date "2018.10.06"]
[Round "6.3"]
[White "Jeschke, Jan"]
[Black "Koehler, Lukas"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1479"]
[BlackElo "1926"]
[PlyCount "40"]
[EventDate "2018.10.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]
[WhiteTeam "Saarland U20"]
[BlackTeam "Bayern U20 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Nc6 6. Bc4 Qc7 7. Qe2 a6 8. 0-0 Be7 9. Rd1 b5 10. Bb3 d6 11. Bf4 Ne5 12. Bxe5 dxe5 13. Rac1 Qb8 14. a4 b4 15. Nd5 exd5 16. exd5 Bd6 17. Nxe5 Ne7 18. Nc6 Qb7 19. Re1 Kf8 20. Qf3 Ng6 1/2-1/2

[Event "Youth District Germany"]
[Site "Wuerzburg"]
[Date "2018.10.05"]
[Round "4.3"]
[White "Evering, Soeren"]
[Black "Koehler, Lukas"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "1793"]
[BlackElo "1926"]
[PlyCount "57"]
[EventDate "2018.10.02"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]
[WhiteTeam "Niedersachsen/SG Bremen U20"]
[BlackTeam "Bayern U20 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Nc3 d6 8. Qe2 Be7 9. Kh1 Nbd7 10. f4 b6 11. Nf3 Nc5 12. Bd2 Bb7 13. Rae1 d5 14. e5 Nfe4 15. Bxe4 Nxe4 16. Nd4 Rc8 17. Nxe4 dxe4 18. Be3 0-0 19. Qg4 Kh8 20. f5 Qxe5 21. fxe6 Bc5 22. Rf5 Qd6 23. Rxf7 Rxf7 24. exf7 Rf8 25. Ne6 Rxf7 26. Bxc5 bxc5 27. Rd1 Bc8 28. Kg1 Bxe6 29. Rxd6 1-0

