[Event "Sparkassen-Open B"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.21"] [Round "2.22"] [White "Porstendörfer, Yannik"] [Black "Derr, Georg"] [Result "1-0"] [ECO "A00"] [WhiteElo "1749"] [BlackElo "1605"] [PlyCount "139"] [EventDate "2025.11.20"] [WhiteTeam "SK 1982 Klingenberg e.V."] [BlackTeam "VSG 1880 Offenbach"] 1. d4 d5 2. Nc3 Nf6 3. Bf4 a6 4. e3 b5 5. Bd3 e6 6. g4 h6 7. Qf3 Bb7 8. Qh3 Rg8 9. Nf3 Ne4 10. Ne5 Nd7 11. Ne2 c5 12. c3 Be7 13. Nxd7 Qxd7 14. f3 Nf6 15. Ng3 c4 16. Bc2 Bd6 17. Bxd6 Qxd6 18. Nh5 Nxh5 19. Qxh5 a5 20. Rg1 Rh8 21. f4 b4 22. Kd2 a4 23. a3 b3 24. Bd1 g6 25. Qe5 Qxe5 26. fxe5 Ra7 27. Be2 Bc6 28. Raf1 Rh7 29. Rf4 g5 30. Rf6 Bb5 31. Rg3 Kf8 32. Rh3 Kg7 33. Bf3 Bc6 34. Bg2 Re7 35. e4 dxe4 36. Ke3 Rc7 37. Bxe4 Bxe4 38. Kxe4 Rd7 39. Rg3 Rh8 40. Rg1 Rhd8 41. Rh1 Rh8 42. h4 Rh7 43. Rf2 Rd8 44. hxg5 hxg5 45. Rxh7+ Kxh7 46. Rxf7+ Kg8 47. Rf6 Kg7 48. Rxe6 Rb8 49. Rf6 Rh8 50. Rf2 Rh4 51. Kf5 Rh3 52. Kxg5 Rd3 53. Kf5 Kf7 54. g5 Rg3 55. d5 Rd3 56. g6+ Kg7 57. Ke6 Kxg6 58. d6 Kg5 59. Ke7 Kg4 60. d7 Kg3 61. Rf1 Kg2 62. Rb1 Rd5 63. e6 Kf2 64. d8=Q Rxd8 65. Kxd8 Ke2 66. e7 Kd2 67. e8=Q Kc2 68. Qe4+ Kd2 69. Qe1+ Kc2 70. Qd1# 1-0