[Event "Sparkassen-Open B"] [Site "Heusenstamm, Martinsee"] [Date "2025.11.23"] [Round "6.1"] [White "González Peisker, Mateo"] [Black "Koch, Mika Jonas"] [Result "1-0"] [ECO "A00"] [WhiteElo "1777"] [BlackElo "1755"] [PlyCount "57"] [EventDate "2025.11.20"] [WhiteTeam "SV Multatuli Ingelheim e.V."] [BlackTeam "SK Marburg 1931/72"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc3 Nc6 7. Be3 Nf6 8. f3 O-O 9. Be2 Qb6 10. Qd2 Nxd4 11. Bxd4 Nxe4 12. Bxb6 Nxd2 13. Be3 Nxc4 14. Bxc4 Bd7 15. Kd2 Rfc8 16. Bd3 e6 17. Rab1 d5 18. Nb5 a6 19. Nd6 Rc7 20. Rhc1 Bc6 21. Nxb7 Rxb7 22. Rxc6 Rxb2+ 23. Rxb2 Bxb2 24. Rxa6 Rxa6 25. Bxa6 f5 26. a4 e5 27. Bb6 Kf7 28. a5 Ke6 29. Bb7 1-0