[Event "Sparkassen-Open A"] [Site "Heusenstamm, Martinsee"] [Date "2023.11.23"] [Round "1.112"] [White "Klein, Deniz"] [Black "Derr, Oleg"] [Result "0-1"] [WhiteElo "1565"] [BlackElo "1808"] [PlyCount "102"] [EventDate "2023.??.??"] [WhiteTeam "SG Kaiserslautern 1905"] [BlackTeam "VSG 1880 Offenbach"] 1. c4 e5 2. g3 c6 3. d4 e4 4. Bg2 d5 5. Nc3 f5 6. cxd5 cxd5 7. e3 Nf6 8. Nge2 Nc6 9. O-O Be7 10. a3 O-O 11. b4 Be6 12. Bd2 g5 13. Qb3 Kg7 14. Rfc1 Qd7 15. Rc2 Rac8 16. Rac1 Nd8 17. Qa4 Nf7 18. Qxd7 Bxd7 19. f3 Nd6 20. fxe4 fxe4 21. h3 Rc7 22. Nb1 Rxc2 23. Rxc2 Nc4 24. Nec3 Rc8 25. Bf1 Bd6 26. g4 h6 27. Bc1 Nb6 28. Bb2 Na4 29. Rd2 Nb6 30. Bc1 Bg3 31. Re2 h5 32. Kg2 Bd6 33. gxh5 Nxh5 34. Rf2 Bg3 35. Ra2 Bb8 36. Rf2 Ng3 37. Be2 Nf5 38. Bg4 Nh4+ 39. Kf1 Bxg4 40. hxg4 Bg3 41. Re2 Rf8+ 42. Kg1 Nf3+ 43. Kg2 Be1 44. Bb2 Rh8 45. Nxe4 Rh2+ 46. Kf1 Rxe2 47. Kxe2 dxe4 48. Bc3 Bg3 49. Nd2 Nxd2 50. Bxd2 Kf7 51. Kd1 Ke6 0-1