[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "1.9"]
[White "Lohmann, Rene"]
[Black "Kahlert, Thomas"]
[Result "0-1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e4 d6 6. Nge2 f5 7. O-O Nf6 8. d3
O-O 9. exf5 Bxf5 10. h3 Qd7 11. Kh2 Rae8 12. Ne4 Nxe4 13. dxe4 Be6 14. b3 Nd4
15. Nc3 Rf7 16. Be3 Ref8 17. f4 c5 18. Qd3 h5 19. Ne2 h4 20. gxh4 Nxe2 21. Qxe2
exf4 22. Bg1 f3 23. Rxf3 Rxf3 24. Bxf3 Bxa1 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.18"]
[Round "2.32"]
[White "Wang, Huanying"]
[Black "Lohmann, Rene"]
[Result "0-1"]

1. e4 e5 2. d3 Nf6 3. Bd2 Bc5 4. Nh3 d5 5. Bg5 dxe4 6. Be2 Nc6 7. O-O Bxh3
8. gxh3 exd3 9. Qxd3 Qxd3 10. cxd3 Nd4 11. Bd1 O-O-O 12. Be3 Ne6 13. Be2 Nd4
14. Bd1 Nd5 15. Bg5 f6 16. Bd2 Ne6 17. Bg4 Rhe8 18. Nc3 Nxc3 19. Bxc3 Kb8
20. Bxe6 Rxe6 21. Rad1 Red6 22. Kg2 Rxd3 23. Rxd3 Rxd3 24. f3 Kc8 25. h4 Bd4
26. Bxd4 Rxd4 27. Kg3 Kd7 28. b4 Rxb4 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "3.17"]
[White "Lohmann, Rene"]
[Black "Rudolph, Max"]
[Result "0-1"]

1. c4 b6 2. d4 Bb7 3. Nc3 e6 4. f3 Bb4 5. e4 f5 6. exf5 Nh6 7. Be3 Nxf5 8. Bf2
O-O 9. a3 Bxc3+ 10. bxc3 Nc6 11. Bd3 Qg5 12. Kf1 Ne3+ 13. Bxe3 Qxe3 14. Qc2 Ne7
15. Re1 Qh6 16. d5 Nf5 17. Kf2 Qh4+ 0-1

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.19"]
[Round "4.25"]
[White "Mkrtchyan, Nona"]
[Black "Lohmann, Rene"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be3 Be7 8. Be2
b6 9. O-O Bb7 10. f3 Nbd7 11. b4 Rc8 12. Na2 O-O 13. c4 d5 14. exd5 exd5
15. Rc1 dxc4 16. Bxc4 Ne5 17. Be2 Nd5 18. Bd2 Re8 19. f4 Nc6 20. Nxc6 Rxc6
21. Rxc6 Bxc6 22. Bxa6 Bd6 23. Bc4 Qa8 24. b5 Bb7 25. Qb3 Bc5+ 26. Rf2 Bxf2+
1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "5.25"]
[White "Lohmann, Rene"]
[Black "Schwarzkopf, Jörg"]
[Result "1-0"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. g3 Nf6 5. d4 e4 6. Nh4 d5 7. e3 Ne7 8. Ng2
Be6 9. Nf4 Bf7 10. cxd5 Nexd5 11. Ncxd5 Nxd5 12. Bd2 Nxf4 13. gxf4 Bd6 14. Be2
O-O 15. Bc3 c6 16. Rg1 g6 17. d5 Be7 18. Qd4 1-0

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.20"]
[Round "6.19"]
[White "Skibbe, Kai"]
[Black "Lohmann, Rene"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. h3 O-O 6. Nbd2 Nfd7 7. c3 e5 8. Bh2
f5 9. Bc4+ Kh8 10. Qb3 Nc6 11. O-O-O Qe7 12. Qc2 Nb6 13. Rhe1 Nxc4 14. Nxc4 b5
15. Ncd2 Bd7 16. dxe5 dxe5 17. Nb3 a5 18. Rd5 Be6 19. Rxb5 Bc4 20. Rb7 Ba6
21. Nxa5 Nxa5 22. Rb4 c5 23. Ra4 Nc4 24. Rxa6 Rxa6 25. Qd3 Rxa2 26. Qxc4 Ra1+
27. Kc2 Rfa8 1/2-1/2

[Event "HSK Oster Open 2025"]
[Site "HSK Schachzentrum"]
[Date "2025.04.21"]
[Round "7.22"]
[White "Lohmann, Rene"]
[Black "Perschk, Bendix"]
[Result "1-0"]

1. c4 d6 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 Bg4 7. h3 Bd7 8. O-O
Qc8 9. Kh2 h5 10. h4 Ng4+ 11. Kg1 Nge5 12. b3 Nd3 13. Ba3 Bg4 14. f3 Bh3
15. Qb1 Ncb4 16. Nc1 Nxc1 17. Bxb4 Bxc3 18. dxc3 Ne2+ 19. Kh2 Bxg2 20. Kxg2 a5
21. Ba3 Qe6 22. Qd3 Nxg3 23. Kxg3 c5 24. Qd5 O-O 25. e5 Ra6 26. Qxe6 fxe6
27. exd6 exd6 28. Rfe1 Rf6 29. Bc1 Kf7 30. Bg5 Rf5 31. Rad1 a4 32. Rd3 axb3
33. axb3 e5 34. Red1 Ke6 35. f4 Kd7 36. b4 Rc6 37. bxc5 exf4+ 38. Bxf4 Rfxc5
39. Bxd6 Rxc4 40. Bb4+ Ke6 41. Rd4 Rxd4 42. Rxd4 Ra6 43. Kf4 Ra1 44. Rd6+ Kf7
45. Rd7+ Kf6 46. Be7+ Ke6 47. Rxb7 Rg1 48. Bg5 Rg4+ 49. Kf3 Rc4 50. Re7+ Kf5
51. Rf7+ Ke5 52. Bf6+ Ke6 53. Rf8 Rc6 54. Kf4 Rc4+ 55. Ke3 Kf5 56. Bg5+ Ke5
57. Kd3 Rc6 58. Bf4+ Ke6 59. Kd4 Ra6 60. Be5 Ke7 61. Rb8 Ra1 62. Rb6 Rh1
63. Bf6+ Kd7 64. c4 Rd1+ 65. Kc5 Rf1 66. Bg5 Rf5+ 67. Kb4 1-0

