[Event "ch-Frankfurt A"] [Site "Frankfurt"] [Date "2023.05.22"] [Round "4"] [White "Martin, Reiner"] [Black "Diehl, Felix"] [Result "0-1"] [ECO "D10"] [WhiteElo "1981"] [BlackElo "1780"] [PlyCount "82"] [EventDate "2023.04.24"] [EventType "swiss"] [EventCountry "GER"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 dxc4 5. Bxc4 Bf5 6. Qb3 e6 7. Qxb7 Nbd7 8. Qxc6 Be7 9. Nge2 O-O 10. O-O Rc8 11. Qa6 Qc7 12. Bb5 e5 13. Ng3 Be6 14. Rd1 exd4 15. exd4 Nb6 16. Nce2 Nfd5 17. a3 Qb8 18. Bd3 Rc6 19. Be4 Rfc8 20. Qd3 h6 21. Qf3 Rc4 22. Bd3 R4c6 23. Nf5 Bf8 24. Nf4 Qc7 25. Nxe6 Rxe6 26. Bd2 Rce8 27. Rac1 Qd7 28. Nh4 Qd6 29. Qf5 g6 30. Qf3 Bg7 31. Bb5 R8e7 32. Ba5 Re4 33. g3 Bxd4 34. Bd3 R4e6 35. Rc2 Qe5 36. b3 Ne3 37. fxe3 Bxe3+ 38. Kg2 Qxa5 39. a4 Bg5 40. Qg4 Nd5 41. Rc8+ Kh7 0-1