[Event "Sparkassen-Open A"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.21"] [Round "3.65"] [White "Alt, Johannes"] [Black "Marcziter, Alex"] [Result "0-1"] [ECO "A00"] [WhiteElo "1836"] [BlackElo "2206"] [PlyCount "100"] [EventDate "2025.11.20"] [WhiteTeam "Sfr.Heidesheim"] [BlackTeam "Schachgemeinschaft Porz e. V."] 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 Nc5 9. Qc2 a5 10. a3 Ne8 11. Rb1 a4 12. Be3 Bd7 13. Nd2 f5 14. f3 f4 15. Bf2 g5 16. b4 axb3 17. Nxb3 b6 18. Nxc5 dxc5 19. a4 Rf6 20. Ra1 Rg6 21. a5 g4 22. fxg4 Bxg4 23. Bxg4 Rxg4 24. axb6 Rxa1 25. Rxa1 cxb6 26. Qa4 Bf8 27. Qa8 Qxa8 28. Rxa8 Nd6 29. Na4 Nxe4 30. Nxb6 Rg7 31. d6 f3 32. g3 Rb7 33. d7 Rxb6 34. Rxf8+ Kg7 35. Rxf3 Rd6 36. Rf5 Nd2 37. Bxc5 Rxd7 38. Kg2 Nxc4 39. Kf3 Rc7 40. Be3 Rb7 41. Rg5+ Kf6 42. Rg4 Nd6 43. Ra4 Rb3 44. Ra6 Ke6 45. Ke2 Kd5 46. Ra5+ Nb5 47. Kd2 Ke4 48. Bg5 Nd4 49. Bf6 Rd3+ 50. Kc1 Nb3+ 0-1