[Event "Lichtenberger Sommer 2025"]
[Site "Berlin"]
[Date "2025.08.30"]
[Round "8.39"]
[White "Beduschi, Ben"]
[Black "Teusch, Lucas"]
[Result "1-0"]
[PlyCount "29"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 Bd6 6. O-O O-O 7. Re1 h6 8. Nbd2 Re8 9. a4 a5 10. Qb3 Qe7 11. Nh4 Nh7 12. Ndf3 Qf6 13. Nf5 Nf8 14. Bxh6 gxh6 15. Bxf7+ 1-0

[Event "Lichtenberger Sommer 2025"]
[Site "Berlin"]
[Date "2025.08.29"]
[Round "7.58"]
[White "Teusch, Lucas"]
[Black "Dreke, Frank"]
[Result "1-0"]
[PlyCount "47"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Nc6 5. Nc3 a6 6. d5 exd5 7. Nxd5 Nxd5 8. Qxd5 Nb4 9. Qb3 d5 10. c3 Nc6 11. O-O-O Be7 12. Rxd5 Qa5 13. Rd1 O-O 14. Bc4 b5 15. Bd5 Qb6 16. Qc2 Bf6 17. Ng5 g6 18. h4 Bxg5 19. hxg5 Bf5 20. e4 Be6 21. Rh6 Bxd5 22. exd5 Ne7 23. Rdh1 Nxd5 24. Rxh7 1-0

[Event "Lichtenberger Sommer 2025"]
[Site "Berlin"]
[Date "2025.08.28"]
[Round "6.53"]
[White "Schmidt, Juergen"]
[Black "Teusch, Lucas"]
[Result "1/2-1/2"]
[PlyCount "50"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 Nc5 9. e5 Nfd7 10. Nf3 Qc7 11. O-O Nxb3 12. axb3 dxe5 13. fxe5 Bc5+ 14. Kh1 O-O 15. Qe2 b6 16. Ne4 Be7 17. Bf4 Bb7 18. Bg3 Rac8 19. Rac1 Bxe4 20. Qxe4 Nc5 21. Qe3 Rcd8 22. Rcd1 Rxd1 23. Rxd1 Rd8 24. Rf1 a5 25. Qe2 Qd7 26. 1/2-1/2

[Event "Lichtenberger Sommer 2025"]
[Site "Berlin"]
[Date "2025.08.27"]
[Round "5.53"]
[White "Teusch, Lucas"]
[Black "Beran, Rolf-Dietrich"]
[Result "1/2-1/2"]
[PlyCount "71"]

1. d4 c5 2. d5 Nf6 3. Nc3 d6 4. e4 g6 5. Nf3 Bg7 6. Bb5+ Nfd7 7. a4 O-O 8. O-O Na6 9. Bxa6 bxa6 10. a5 Rb8 11. Nd2 f5 12. f3 fxe4 13. fxe4 Ne5 14. h3 Bd7 15. Rxf8+ Qxf8 16. Qf1 Bb5 17. Qxf8+ Rxf8 18. Nxb5 axb5 19. a6 Kf7 20. Nf3 Nxf3+ 21. gxf3 Rb8 22. Ra2 Bd4+ 23. Kg2 b4 24. b3 e6 25. dxe6+ Kxe6 26. Ra5 Rb6 27. Bf4 Be5 28. Be3 Bc3 29. f4 Rc6 30. Kf3 h5 31. Bf2 Bf6 32. Be3 Bd8 33. Ra1 Bf6 34. Ra5 Be7 35. Bd2 Bf6 36. Be3 1/2-1/2

[Event "Lichtenberger Sommer 2025"]
[Site "Berlin"]
[Date "2025.08.26"]
[Round "4.88"]
[White "Pilawski, Lars"]
[Black "Teusch, Lucas"]
[Result "0-1"]
[PlyCount "96"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. Bxc6 dxc6 7. O-O Bg4 8. Nbd2 Rd8 9. Nc4 Qa6 10. b3 cxd4 11. cxd4 Bxd4 12. Qxd4 Rxd4 13. Nxd4 Nf6 14. h3 Bd7 15. Re1 O-O 16. Bb2 c5 17. Nf3 Bc6 18. Nfd2 Nd7 19. a4 b6 20. Re3 Qb7 21. Rae1 Nb8 22. h4 Na6 23. Rg3 Nb4 24. Ree3 Nc2 25. Rc3 Nd4 26. Rce3 f6 27. h5 Kg7 28. Rg4 Qd7 29. Rgg3 e5 30. Kh2 Qc7 31. Rg4 Bd7 32. Rgg3 a6 33. Bc3 b5 34. Ba5 Qc6 35. axb5 axb5 36. Nb6 Be6 37. hxg6 hxg6 38. Rd3 Rh8+ 39. Kg1 Ne2+ 40. Kf1 Nxg3+ 41. fxg3 c4 42. bxc4 bxc4 43. Rc3 Rh1+ 44. Ke2 Bg4+ 45. Nf3 Qxe4+ 46. Re3 Qc2+ 47. Bd2 Qd1+ 48. Kf2 Qf1# 49. 0-1

[Event "Lichtenberger Sommer 2025"]
[Site "Berlin"]
[Date "2025.08.25"]
[Round "3.46"]
[White "Teusch, Lucas"]
[Black "Sabrowski, Uwe"]
[Result "0-1"]
[PlyCount "56"]

1. Nf3 d6 2. d4 f5 3. c4 Nf6 4. Nc3 g6 5. b4 Bg7 6. e3 c6 7. Bb2 Na6 8. Qb3 Nc7 9. a4 Bd7 10. Rd1 O-O 11. Be2 Qe8 12. O-O Kh8 13. a5 h6 14. b5 Ne6 15. Ne1 Ne4 16. f3 Nxc3 17. Bxc3 cxb5 18. cxb5 Rc8 19. Ba1 Nc7 20. b6 Ba4 21. Qb2 Bxd1 22. Bxd1 axb6 23. f4 Nd5 24. Rf3 bxa5 25. Rh3 Qc6 26. Nc2 Nb4 27. d5 Bxb2 28. Bxb2+ Qc3 29. 0-1

[Event "Lichtenberger Sommer 2025"]
[Site "Berlin"]
[Date "2025.08.24"]
[Round "2.89"]
[White "Mlynarski, Milosz"]
[Black "Teusch, Lucas"]
[Result "0-1"]
[PlyCount "112"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. a4 Nc6 8. Nc3 Be7 9. Qd2 O-O 10. Rd1 Na5 11. Ba2 b6 12. Qe2 Qc7 13. Bd2 Bb7 14. Rac1 Nc6 15. d5 exd5 16. Nxd5 Nxd5 17. Bxd5 Nd8 18. Ba2 Qc6 19. a5 bxa5 20. Bxa5 Qb5 21. Qd2 Nc6 22. Bc3 Rad8 23. Qc2 Nb4 24. Bxb4 Rxd1+ 25. Rxd1 cxb4 26. Bb1 g6 27. Ba2 Bf6 28. Qb3 a5 29. h3 a4 30. Qc4 Qxc4 31. Bxc4 Bxb2 32. Ng5 Bc6 33. Rd6 Be8 34. Rb6 b3 35. Rb7 Bf6 36. Ne4 Kg7 37. Nc5 Kh6 38. g4 Bc6 39. Rb6 b2 40. Ba2 Rc8 41. f4 Kg7 42. g5 Be7 43. Nd3 a3 44. Kf2 Be4 45. Ne5 Rc1 46. Ra6 b1=Q 47. Bxb1 Rxb1 48. Ra7 Rb7 49. Ra4 Rb2+ 50. Kg3 Rg2+ 51. Kh4 h6 52. Ng4 hxg5+ 53. fxg5 Bf5 54. Nf6 Bxf6 55. gxf6+ Kh6 56. e4 g5# 57. 0-1

[Event "Lichtenberger Sommer 2024"]
[Site "Berlin"]
[Date "2024.08.18"]
[Round "9.58"]
[White "Skowronski, Peter"]
[Black "Teusch, Lucas"]
[Result "1-0"]
[PlyCount "0"]

1. 1-0

[Event "Lichtenberger Sommer 2024"]
[Site "Berlin"]
[Date "2024.08.17"]
[Round "8.45"]
[White "Teusch, Lucas"]
[Black "Grillich, Alexander"]
[Result "0-1"]
[PlyCount "112"]

1. d4 d6 2. Nf3 Nf6 3. Bf4 g6 4. e3 Bg7 5. h3 O-O 6. Be2 c5 7. c3 Qb6 8. Qb3 Be6 9. Qxb6 axb6 10. a3 Nc6 11. Nbd2 Na5 12. Ng5 Bd7 13. O-O h6 14. Ngf3 g5 15. Bh2 Bf5 16. b4 Nc6 17. Nc4 b5 18. Nb6 Ra6 19. bxc5 dxc5 20. dxc5 Ra5 21. Nd4 Nxd4 22. cxd4 e6 23. Bc7 Ra7 24. f3 Nd5 25. Nxd5 exd5 26. Bb6 Raa8 27. Bxb5 Bc2 28. a4 f5 29. Rfc1 Bb3 30. Ra3 Bc4 31. Bxc4 dxc4 32. Rxc4 f4 33. e4 Rfc8 34. a5 Bf6 35. Kf2 Bd8 36. Rca4 Ra6 37. Ke2 Kf7 38. Kd3 Ke6 39. Kc4 Bxb6 40. axb6 Rxb6 41. Rb3 Rxb3 42. Kxb3 h5 43. Kc4 g4 44. hxg4 hxg4 45. Ra7 gxf3 46. gxf3 Rc7 47. d5+ Ke5 48. c6 b5+ 49. Kxb5 Rxa7 50. Kb6 Ra3 51. c7 Rc3 52. Kb7 Rb3+ 53. Kc6 Rxf3 54. c8=Q Rc3+ 55. Kd7 Rxc8 56. Kxc8 Kd6 57. 0-1

[Event "Lichtenberger Sommer 2024"]
[Site "Berlin"]
[Date "2024.08.16"]
[Round "7.50"]
[White "Lorenz, Veronika"]
[Black "Teusch, Lucas"]
[Result "1/2-1/2"]
[PlyCount "71"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Nxd5 7. Bc4 Nb6 8. Bb3 Bg7 9. Nf3 O-O 10. O-O Bg4 11. Re1 Nc6 12. d5 Nd4 13. Bg5 Re8 14. Re4 Bxf3 15. gxf3 Nxb3 16. axb3 Bxc3 17. bxc3 Qxd5 18. Qxd5 Nxd5 19. c4 f5 20. Re5 Nf6 21. Bxf6 exf6 22. Rxe8+ Rxe8 23. Rxa7 Re7 24. c5 Kf7 25. b4 Ke8 26. Kg2 Kd8 27. b5 Kc7 28. f4 Kb8 29. Ra4 Rc7 30. Rc4 Kc8 31. Kf3 Kd7 32. Ke3 Ke6 33. Kd4 Rd7+ 34. Kc3 Rc7 35. Kb4 Kd5 36. f3 1/2-1/2

[Event "Lichtenberger Sommer 2024"]
[Site "Berlin"]
[Date "2024.08.15"]
[Round "6.56"]
[White "Teusch, Lucas"]
[Black "Simcaks, Sergejs"]
[Result "1-0"]
[PlyCount "83"]

1. d4 d5 2. Nf3 Nf6 3. c3 c5 4. dxc5 Nc6 5. e3 a6 6. b4 e5 7. a4 Qc7 8. Bb2 Bg4 9. Be2 e4 10. Nd4 Ne5 11. f3 Bd7 12. Na3 g5 13. c4 Bg7 14. cxd5 Nxd5 15. Qb3 Nf6 16. Nc4 Nxc4 17. Bxc4 O-O 18. O-O Rae8 19. f4 g4 20. g3 Rd8 21. Rad1 Rc8 22. Ba3 Rcd8 23. b5 Bc8 24. b6 Qd7 25. Ne6 Qxe6 26. Bxe6 Bxe6 27. Qc2 Rc8 28. Qd2 Rfe8 29. Qd6 Bb3 30. Rd2 Bxa4 31. f5 Nd7 32. Qxd7 Bxd7 33. Rxd7 Bf8 34. Rc1 Re5 35. Rc7 Rxc7 36. bxc7 Re8 37. Rb1 Rc8 38. Rxb7 f6 39. Bb4 Kf7 40. Ba5 Bxc5 41. Rb8 Bxe3+ 42. Kf1 1-0

[Event "Lichtenberger Sommer 2024"]
[Site "Berlin"]
[Date "2024.08.14"]
[Round "5.48"]
[White "Hauer, Andreas"]
[Black "Teusch, Lucas"]
[Result "1-0"]
[PlyCount "61"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 c5 4. g3 e6 5. Bg2 Be7 6. O-O O-O 7. d3 b6 8. Nbd2 Bb7 9. Re1 Nc6 10. e4 dxe4 11. dxe4 Qc7 12. c3 Rfd8 13. Qc2 e5 14. Nc4 b5 15. Ne3 b4 16. c4 Nd4 17. Bxd4 cxd4 18. Nd5 Nxd5 19. exd5 Rxd5 20. Nxe5 Rxe5 21. Rxe5 Qxe5 22. Bxb7 d3 23. Qd1 Rd8 24. Bd5 Bf6 25. Rb1 Qd4 26. Qf3 Re8 27. Rd1 d2 28. Kg2 Qc3 29. Qh5 g6 30. Qg4 h5 31. Qxg6+ 1-0

[Event "Lichtenberger Sommer 2024"]
[Site "Berlin"]
[Date "2024.08.13"]
[Round "4.36"]
[White "Teusch, Lucas"]
[Black "Fock, Madiha"]
[Result "0-1"]
[PlyCount "82"]

1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Be3 Bg7 7. Nc3 O-O 8. Qd2 Nc6 9. O-O-O Na5 10. Bh6 Nac4 11. Bxc4 Nxc4 12. Qf4 Bxh6 13. Qxh6 Qd6 14. Kb1 Qb4 15. Qc1 c6 16. Nge2 a5 17. Nf4 a4 18. Nd3 Qa5 19. h4 b5 20. h5 b4 21. Qh6 g5 22. Nd5 cxd5 23. Qxg5+ Kh8 24. h6 Rg8 25. Qxe7 Qd8 26. Qxf7 b3 27. a3 dxe4 28. Nf4 Nd6 29. Qd5 Ra5 30. Qc6 Bb7 31. Qc3 Nb5 32. Qc5 Nd6 33. Qc3 Bd5 34. Rh5 exf3 35. Nxd5 Ne4 36. Qxf3 Rxd5 37. Rxd5 Qxd5 38. Ka1 Qc6 39. Re1 Re8 40. d5 Qxh6 41. Qf7 Qf8 42. 0-1

[Event "Lichtenberger Sommer 2024"]
[Site "Berlin"]
[Date "2024.08.12"]
[Round "3.46"]
[White "Reddi, Bhuvana"]
[Black "Teusch, Lucas"]
[Result "0-1"]
[PlyCount "98"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. d3 Nc6 8. O-O e6 9. Qe1 Nge7 10. Kh1 Nd4 11. Nxd4 cxd4 12. Ne2 O-O 13. Qf2 d5 14. Bd2 dxe4 15. dxe4 Rfc8 16. c3 dxc3 17. Bxc3 Rd8 18. Bxg7 Kxg7 19. Nc3 Qd2 20. Rad1 Qxf2 21. Rxf2 Rxd1+ 22. Nxd1 Rd8 23. Nc3 Nc6 24. g3 h5 25. Kg2 Nb4 26. Kf1 h4 27. a3 hxg3 28. hxg3 Nc6 29. Re2 Rd3 30. Kg2 Nd4 31. Rf2 f5 32. e5 Kh6 33. Nb1 Kh5 34. Rd2 Rxd2+ 35. Nxd2 g5 36. Nf3 Nxf3 37. Kxf3 gxf4 38. gxf4 Kh4 39. b3 b5 40. a4 bxa4 41. bxa4 a5 42. Ke3 Kg4 43. Kd3 Kxf4 44. Kc4 Kxe5 45. Kb5 f4 46. Kxa5 f3 47. Kb6 f2 48. a5 f1=Q 49. a6 Qxa6+ 50. 0-1

[Event "Lichtenberger Sommer 2024"]
[Site "Berlin"]
[Date "2024.08.11"]
[Round "2.77"]
[White "Teusch, Lucas"]
[Black "Lippianowski, Stefan"]
[Result "1-0"]
[PlyCount "35"]

1. Nc3 e5 2. Nf3 Nc6 3. d4 d6 4. dxe5 dxe5 5. Qxd8+ Nxd8 6. Nxe5 Nf6 7. g3 Bd6 8. Nd3 O-O 9. Bg2 Nc6 10. Bf4 Nd4 11. O-O-O Bb4 12. Nxb4 c5 13. Nbd5 Ng4 14. Be3 Nxe3 15. fxe3 Nf5 16. e4 Nd6 17. Ne7+ Kh8 18. Rxd6 1-0

[Event "Lichtenberger Sommer 2024"]
[Site "Berlin"]
[Date "2024.08.10"]
[Round "1.33"]
[White "Pueschel, Werner"]
[Black "Teusch, Lucas"]
[Result "1-0"]
[PlyCount "55"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. b4 Bb6 7. a4 a6 8. O-O O-O 9. Qb3 d6 10. a5 Ba7 11. h3 Nh5 12. Be3 Qf6 13. Nbd2 Bxe3 14. fxe3 Qg6 15. g4 Nf6 16. Kf2 b5 17. axb6 cxb6 18. Nh4 Qh7 19. Ke2 Ne7 20. Nf5 Bxf5 21. gxf5 b5 22. Bd5 Nfxd5 23. exd5 Nxf5 24. Rg1 h5 25. Raf1 h4 26. Ne4 f6 27. Kd2 Kf7 28. Rxf5 1-0

[Event "Lichtenberger Sommer 2023"]
[Site "Berlin"]
[Date "2023.08.20"]
[Round "9.68"]
[White "Teusch, Lucas"]
[Black "Bunkens, Rudi"]
[Result "1/2-1/2"]
[PlyCount "39"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. g3 Nc6 6. Bg2 Bf5 7. O-O e6 8. a3 Bd6 9. Nc3 a6 10. Nh4 Bg6 11. Bg5 Be7 12. Nxg6 hxg6 13. e3 Nd7 14. Bxe7 Qxe7 15. e4 dxe4 16. Nxe4 Nf6 17. Rc1 Rd8 18. Qb3 Nxd4 19. Rfd1 O-O 20. Nc5 1/2-1/2

[Event "Lichtenberger Sommer 2023"]
[Site "Berlin"]
[Date "2023.08.19"]
[Round "8.63"]
[White "Teusch, Lucas"]
[Black "Kohlmeyer, Dagobert"]
[Result "0-1"]
[PlyCount "128"]

1. Nc3 Nf6 2. d4 d5 3. Nf3 e6 4. g3 c5 5. e3 Nc6 6. Bg2 cxd4 7. exd4 Bb4 8. O-O O-O 9. Ne2 Bd6 10. Bf4 Nh5 11. Bxd6 Qxd6 12. Nc1 Nf6 13. Nd3 Rd8 14. Re1 b6 15. c3 Ba6 16. Nfe5 Bxd3 17. Qxd3 Rac8 18. Bh3 Qc7 19. f4 Ne4 20. Bg2 f5 21. Bxe4 Nxe5 22. fxe5 dxe4 23. Qb5 Qb7 24. Kf2 Qf7 25. Ke3 Qh5 26. Qe2 Qg5+ 27. Kf2 h5 28. h4 Qg4 29. Qxg4 hxg4 30. Ke3 Kf7 31. a4 Rh8 32. Kf4 g6 33. a5 b5 34. Rec1 Rc7 35. Rc2 Rhc8 36. Rac1 Rc6 37. b4 a6 38. Ke3 Kg7 39. Kd2 Kh6 40. Rf1 Rh8 41. Rh1 Kh5 42. Rcc1 Rcc8 43. Rh2 Rcf8 44. Ke3 g5 45. hxg5+ Kxg5 46. Rch1 Rxh2 47. Rxh2 Rc8 48. Rc2 Rh8 49. d5 exd5 50. Kd4 f4 51. gxf4+ Kxf4 52. Rf2+ Kg3 53. Rf6 Kg2 54. e6 g3 55. Kxd5 e3 56. e7 Re8 57. Re6 Kf2 58. Rf6+ Ke1 59. Kd6 g2 60. Rg6 Kf2 61. Rf6+ Kg3 62. Rg6+ Kf3 63. Kd7 Rxe7+ 64. Kxe7 e2 65. 0-1

[Event "Lichtenberger Sommer 2023"]
[Site "Berlin"]
[Date "2023.08.18"]
[Round "7.66"]
[White "Kandeler, Christian"]
[Black "Teusch, Lucas"]
[Result "1/2-1/2"]
[PlyCount "66"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Nc3 Nxc3 10. bxc3 dxc4 11. Bxc4 Bg4 12. h3 Bh5 13. g4 Bg6 14. Ne5 Nd7 15. f4 Nxe5 16. fxe5 Qh4 17. Qf3 Be7 18. Be3 h5 19. Rf2 Kh8 20. Raf1 f5 21. gxh5 Bxh5 22. Qg2 Qe4 23. Qxe4 fxe4 24. Rxf8+ Bxf8 25. d5 cxd5 26. Bxd5 Bf3 27. Bxb7 Rb8 28. Bd5 Rb2 29. Rf2 Rb1+ 30. Rf1 Rb2 31. Rf2 Rb1+ 32. Rf1 Rb2 33. Rf2 Rb1+ 34. 1/2-1/2

[Event "Lichtenberger Sommer 2023"]
[Site "Berlin"]
[Date "2023.08.17"]
[Round "6.64"]
[White "Teusch, Lucas"]
[Black "Jeß, Arne"]
[Result "1/2-1/2"]
[PlyCount "83"]

1. b3 e5 2. Bb2 Nc6 3. e3 a6 4. c4 Nf6 5. Nf3 d6 6. d4 exd4 7. Nxd4 Ne5 8. Be2 g6 9. Nf3 Qe7 10. Nxe5 dxe5 11. Nc3 c6 12. e4 Bg7 13. Qc1 b5 14. Qc2 O-O 15. O-O Bb7 16. a4 b4 17. Nd1 Rad8 18. Ne3 h5 19. Rad1 Nd7 20. Qd2 a5 21. Nc2 Kh7 22. Bc1 Qc5 23. Qe3 Qb6 24. Qxb6 Nxb6 25. Rxd8 Rxd8 26. Rd1 Rxd1+ 27. Bxd1 Bh6 28. Bxh6 Kxh6 29. Ne1 Nd7 30. Nd3 f5 31. Bf3 c5 32. g3 fxe4 33. Bg2 exd3 34. Bxb7 d2 35. Bf3 e4 36. Bd1 Ne5 37. Kf1 Nf3 38. Ke2 Kg5 39. Ke3 Kf5 40. Bxf3 exf3 41. Kxd2 Ke4 42. h4 1/2-1/2

[Event "Lichtenberger Sommer 2023"]
[Site "Berlin"]
[Date "2023.08.16"]
[Round "5.87"]
[White "Mielchen, Marvin"]
[Black "Teusch, Lucas"]
[Result "0-1"]
[PlyCount "99"]

1. d4 d5 2. Bf4 c5 3. c3 Qb6 4. Qb3 Qxb3 5. axb3 cxd4 6. cxd4 Nc6 7. e3 a6 8. Nf3 Nf6 9. Bd3 Nb4 10. Ne5 Nh5 11. O-O Nxf4 12. exf4 f6 13. Bb5+ Nc6 14. Nxc6 Bd7 15. Rc1 Rc8 16. Bxa6 Rxc6 17. Rxc6 Bxc6 18. Be2 g6 19. Nc3 e6 20. Bb5 Kd7 21. Bxc6+ Kxc6 22. Ra8 Bg7 23. Rxh8 Bxh8 24. b4 f5 25. g3 Bxd4 26. Kf1 Bxc3 27. bxc3 Kb5 28. Ke2 Kc4 29. Kd2 d4 30. cxd4 Kxd4 31. Kc2 Kc4 32. Kb2 Kxb4 33. Kc2 Ka3 34. Kc3 b5 35. f3 b4+ 36. Kd3 b3 37. g4 b2 38. gxf5 exf5 39. h3 b1=Q+ 40. Ke3 Qe1+ 41. Kd4 Kb4 42. Kd5 Qe3 43. h4 Qxf3+ 44. Ke6 Qxf4 45. h5 Qe4+ 46. Kf6 f4 47. h6 f3 48. Kg7 g5 49. Kf6 f2 50. Kg7 0-1

[Event "Lichtenberger Sommer 2023"]
[Site "Berlin"]
[Date "2023.08.15"]
[Round "4.92"]
[White "Teusch, Lucas"]
[Black "Dragnev, Stoyan"]
[Result "1-0"]
[PlyCount "77"]

1. e4 c6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Ne4 5. d3 Nxc3 6. bxc3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. d4 Be7 10. Bd3 Qa5 11. Bd2 Nd7 12. O-O c5 13. Rad1 Rc8 14. c4 Qb6 15. Rb1 Qc7 16. cxd5 exd5 17. Qxd5 Nb6 18. Qe4 cxd4 19. Qxd4 Bc5 20. Bb5+ Nd7 21. Qxd7+ Qxd7 22. Bxd7+ Kxd7 23. Rxb7+ Ke6 24. Re1 Bd4 25. c3 Bxc3 26. Bxc3 Rxc3 27. Rxa7 Rd8 28. Re2 Rd1+ 29. Kh2 g5 30. Ra6+ Kd5 31. Rd6+ Kc4 32. Rxd1 h5 33. Rd7 f5 34. exf6 h4 35. f7 g4 36. hxg4 h3 37. f8=Q Kb5 38. Rb2+ Kc4 39. Qc8# 1-0

[Event "Lichtenberger Sommer 2023"]
[Site "Berlin"]
[Date "2023.08.13"]
[Round "2.61"]
[White "Teusch, Lucas"]
[Black "Bezhenar, Georgy"]
[Result "0-1"]
[PlyCount "94"]

1. Nc3 Nf6 2. d4 d5 3. Bf4 c6 4. e3 g6 5. Bd3 Bg7 6. Nf3 O-O 7. O-O Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. Ne2 Re8 11. Ng3 e5 12. dxe5 Nxe5 13. Bxe5 Rxe5 14. Rad1 Qe7 15. c3 Re8 16. Bc2 Qc7 17. Rd2 Qb6 18. Bb1 R5e7 19. Re1 Nd7 20. Qd1 Ne5 21. Qb3 Qc7 22. Bd3 Bh6 23. Be2 Bxe3 24. fxe3 Nc4 25. Bxc4 Qxg3 26. Rde2 dxc4 27. Qxc4 Rxe3 28. Rxe3 Rxe3 29. Rf1 Re7 30. Qc5 Qe3+ 31. Qxe3 Rxe3 32. Kf2 Re7 33. g4 h6 34. Kf3 Kg7 35. h4 Re5 36. Rd1 Rd5 37. Rxd5 cxd5 38. g5 hxg5 39. hxg5 f6 40. Kf4 fxg5+ 41. Kxg5 b5 42. b3 Kf7 43. a3 a6 44. Kg4 Kf6 45. Kf4 g5+ 46. Kg4 Kg6 47. b4 Kf6 48. 0-1

[Event "Lichtenberger Sommer 2023"]
[Site "Berlin"]
[Date "2023.08.12"]
[Round "1.47"]
[White "Möller, Jared William"]
[Black "Teusch, Lucas"]
[Result "1-0"]
[PlyCount "45"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 c6 5. Bg2 Bb4+ 6. Nbd2 O-O 7. O-O Nbd7 8. Qc2 Qe7 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 12. Qe2 Re8 13. Ne5 Nd7 14. a3 Bd6 15. Bf4 c5 16. dxc5 Bxe5 17. Bxe5 Qxc5 18. Bc3 Nb6 19. b3 f6 20. Rfd1 e5 21. Bb4 Qc7 22. Bd6 Qf7 23. c5 1-0

[Event "DVM U10 2017"]
[Site "Magdeburg GER"]
[Date "2017.12.27"]
[Round "1"]
[White "Khanbekyan, Nare"]
[Black "Teusch, Lucas"]
[Result "0-1"]
[Termination "normal"]

1. *

