[Event "Sparkassen-Open A"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.22"] [Round "4.33"] [White "Derr, Oleg"] [Black "Villwock, Martin"] [Result "0-1"] [ECO "A00"] [WhiteElo "2140"] [BlackElo "2041"] [PlyCount "78"] [EventDate "2025.11.20"] [WhiteTeam "VSG 1880 Offenbach"] [BlackTeam "Schachfreunde Essen-Katernberg 0"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 b6 8. O-O Bb7 9. Nd5 exd5 10. exd5 d6 11. Re1 Be7 12. Bd3 O-O 13. Bg5 Bd8 14. Qf3 Nbd7 15. Qh3 g6 16. Bh6 Ne5 17. Bxf8 Kxf8 18. Rad1 Kg7 19. f4 Bc8 20. Qg3 Nxd3 21. Qxd3 Qc5 22. h3 Bd7 23. Kh1 b5 24. b3 bxc4 25. bxc4 Rb8 26. Re2 Nh5 27. Nb3 Qa3 28. Qd4+ Bf6 29. Qf2 Rxb3 30. axb3 Qxb3 31. Red2 Ng3+ 32. Kh2 Ne4 33. Qa7 Qg3+ 34. Kh1 Nxd2 35. Qxd7 Nf3 36. gxf3 Qxf3+ 37. Kh2 Qe2+ 38. Kg3 h5 39. Rb1 h4# 0-1