[Event "ch-Frankfurt A"] [Site "Frankfurt"] [Date "2023.04.24"] [Round "1"] [White "Grinberg, Igor"] [Black "von Wahden, Jens"] [Result "0-1"] [ECO "D02"] [WhiteElo "1428"] [BlackElo "1810"] [PlyCount "82"] [EventDate "2023.04.24"] [EventType "swiss"] [EventCountry "GER"] 1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 Bd6 5. Bxd6 cxd6 6. c3 Nc6 7. Nbd2 O-O 8. Be2 e5 9. dxe5 dxe5 10. O-O Bg4 11. h3 Bh5 12. Nb3 Rc8 13. Re1 Qe7 14. Nh4 Bxe2 15. Qxe2 g6 16. Nf3 e4 17. Nfd4 Ne5 18. Nc1 a6 19. Rd1 Rfd8 20. Qc2 Nfd7 21. Nde2 Nb6 22. Nf4 Qc5 23. Nb3 Qc7 24. Rd4 g5 25. Nh5 f5 26. Rad1 Qf7 27. Ng3 Rf8 28. Qe2 f4 29. exf4 gxf4 30. Nxe4 dxe4 31. Rxe4 Nc6 32. Qg4+ Kh8 33. Nc5 Rce8 34. Rde1 Rxe4 35. Rxe4 f3 36. g3 Qd5 37. Ne6 Rg8 38. Qf4 Nd7 39. Re1 Nce5 40. Qf5 Re8 41. Ng5 Re7 0-1