[Event "Sparkassen-Open A"] [Site "Heusenstamm, Martinsee"] [Date "2023.11.26"] [Round "6.72"] [White "Derr, Oleg"] [Black "Mehlen, Theodor"] [Result "1-0"] [WhiteElo "1808"] [BlackElo "1808"] [PlyCount "83"] [EventDate "2023.??.??"] [WhiteTeam "VSG 1880 Offenbach"] [BlackTeam "SC Matt im Park Ffm"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Qc2 O-O 8. Bd3 h6 9. Bh4 Nbd7 10. Nf3 a5 11. a4 Re8 12. O-O Nh5 13. Bxe7 Qxe7 14. Rae1 Nhf6 15. e4 dxe4 16. Nxe4 Nxe4 17. Rxe4 Qd8 18. Rxe8+ Qxe8 19. Re1 Qf8 20. Bc4 Nb6 21. Bb3 Bd7 22. Ne5 Be6 23. Bxe6 fxe6 24. Qb3 Nd5 25. Qxb7 Rc8 26. Qd7 Qe8 27. Qxe8+ Rxe8 28. Nxc6 Kf7 29. Rc1 Nf4 30. Rc5 Nd3 31. Ne5+ Nxe5 32. dxe5 Rb8 33. Rb5 Rc8 34. g3 Rc4 35. Rxa5 Rb4 36. Ra7+ Kg6 37. a5 Rxb2 38. Re7 Kf5 39. Rxg7 Ra2 40. Rh7 Rxa5 41. Rxh6 Rxe5 42. Rh5+ 1-0