[Event "ch-Frankfurt A"] [Site "Frankfurt"] [Date "2023.06.05"] [Round "5"] [White "Ackermann, Robert"] [Black "Diehl, Stefan"] [Result "0-1"] [ECO "A81"] [WhiteElo "1687"] [BlackElo "1784"] [PlyCount "108"] [EventDate "2023.04.24"] [EventType "swiss"] [EventCountry "GER"] 1. Nf3 f5 2. d4 Nf6 3. g3 e6 4. Bg2 c5 5. c3 Nc6 6. O-O Be7 7. Nbd2 O-O 8. Re1 Ne4 9. Nf1 cxd4 10. cxd4 d5 11. e3 Bd7 12. N3d2 Rc8 13. f3 Nf6 14. a3 Qb6 15. Rb1 e5 16. dxe5 Nxe5 17. b4 Nd3 18. Re2 Bb5 19. Nb3 Nxc1 20. Nxc1 Bxe2 21. Nxe2 Rfd8 22. Nd4 g6 23. Qd3 Rc7 24. Nd2 Rdc8 25. N2b3 Rc3 26. Qd2 Nd7 27. Nxf5 gxf5 28. Qxd5+ Kf8 29. Qxd7 Qxe3+ 30. Kf1 Qd3+ 31. Qxd3 Rxd3 32. f4 b6 33. Bh3 Rcc3 34. Na1 Rd5 35. Nb3 Kf7 36. Bg2 Rdd3 37. Na1 Rxa3 38. b5 Bc5 39. g4 Rd2 40. Bc6 Rf2+ 41. Ke1 fxg4 42. Nb3 Be3 43. Rd1 Rxb3 44. Bd5+ Kf6 45. Bxb3 Rxh2 46. Rd7 Bxf4 47. Rxa7 Be3 48. Rf7+ Ke5 49. Rg7 h5 50. Bc4 Kd4 51. Be6 g3 52. Rd7+ Ke5 53. Bd5 g2 54. Bxg2 Rxg2 0-1