[Event "Sparkassen-Open B"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.20"] [Round "1.30"] [White "Ivanenko, Daryna"] [Black "Mertens, Richard"] [Result "0-1"] [ECO "A00"] [WhiteElo "1603"] [BlackElo "1772"] [PlyCount "70"] [EventDate "2025.11.20"] [WhiteTeam "SC Heusenstamm"] [BlackTeam "SC Weisse Dame e.V."] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 c5 8. O-O a6 9. a4 Nc6 10. dxc5 Bxc5 11. Na2 Qe7 12. Bd2 Rd8 13. Qc2 Bd7 14. b4 Nxb4 15. Bxb4 Bxb4 16. Nxb4 Qxb4 17. Rfb1 Qa5 18. Rxb7 Bc6 19. Rb2 Bxf3 20. gxf3 Qg5+ 21. Kh1 Qh5 22. Be2 Rac8 23. Qb3 a5 24. Rd1 Rxd1+ 25. Qxd1 Qh4 26. Rc2 Rb8 27. Bb5 Nd5 28. Qd2 Qf6 29. Be2 Rb1+ 30. Rc1 Rxc1+ 31. Qxc1 Qc3 32. Qxc3 Nxc3 33. Bb5 Kf8 34. Kg1 Nxb5 35. axb5 Ke7 0-1