[Event "Sparkassen-Open A"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.20"] [Round "1.33"] [White "Poysti, Nathanael"] [Black "Hessler Carbonell, Louis"] [Result "1-0"] [ECO "A00"] [WhiteElo "2207"] [BlackElo "1936"] [PlyCount "51"] [EventDate "2025.11.20"] [WhiteTeam "Buenos Aires"] [BlackTeam "SK Marburg 1931/72"] 1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. b3 Bc5 6. Bb2 O-O 7. e3 a5 8. Nge2 Qe8 9. O-O d6 10. d4 Bb6 11. dxe5 dxe5 12. Nb5 Be6 13. c5 Rd8 14. Qb1 Nb4 15. cxb6 Qxb5 16. bxc7 Qxe2 17. cxd8=Q Rxd8 18. Bxe5 Ng4 19. Bd4 f4 20. Qd1 Qb5 21. gxf4 Nd5 22. Qf3 Ndf6 23. Rad1 Nxh2 24. Qxb7 Qh5 25. Bxf6 Nf3+ 26. Qxf3 1-0