[Event "23rd Marienbad A1 GM 2025"]
[Site "Marianske Lazne CZE"]
[Date "2025.01.21"]
[EventDate "2025.01.18"]
[Round "4.3"]
[Result "1/2-1/2"]
[White "Christoph Natsidis"]
[Black "Jonasz Baum"]
[ECO "A06"]
[WhiteElo "2351"]
[BlackElo "2457"]
[PlyCount "68"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Bc7 11. Nd2 Nxd4 12. Bxd4 Qd6 13. g3 Bh3 14. Re1 Ba5 15. Bf1 Bg4 16. Be2 Bf5 17. a3 Rfc8 18. b4 Bb6 19. Bxb6 axb6 20. Qb3 Qc7 21. Nf3 Bg4 22. Nd4 Bxe2 23. Rxe2 Qd7 24. Rc2 h5 25. Rac1 h4 26. Rxc8+ Rxc8 27. Rxc8+ Qxc8 28. Qc2 Qd7 29. Qf5 hxg3 30. hxg3 Qxf5 31. Nxf5 Kf8 32. f3 g6 33. Nd4 Nd7 34. Kf2 1/2-1/2