[Event "23rd Marienbad A1 GM 2025"]
[Site "Marianske Lazne CZE"]
[Date "2025.01.18"]
[EventDate "2025.01.18"]
[Round "1.1"]
[Result "1/2-1/2"]
[White "G B Harshavardhan"]
[Black "Marius Deuer"]
[ECO "E15"]
[WhiteElo "2405"]
[BlackElo "2505"]
[PlyCount "90"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 d5 6. Bg2 Be7 7. O-O O-O 8. b3 c5 9. Bb2 Nc6 10. cxd5 exd5 11. Re1 Rc8 12. a3 Re8 13. Rc1 Ne4 14. dxc5 bxc5 15. e3 Bd3 16. Nxe4 Bxe4 17. Bh3 Rc7 18. Nd2 Bg6 19. e4 dxe4 20. Nxe4 Qxd1 21. Rcxd1 Rb8 22. Bc1 f6 23. Bf4 Ne5 24. Bxe5 fxe5 25. Be6+ Bf7 26. Bc4 Bxc4 27. bxc4 Rb3 28. Re3 Rxe3 29. fxe3 Kf7 30. Kf2 Rb7 31. Ke2 Rb3 32. Rd3 Rb2+ 33. Nd2 Ke6 34. Kf3 Rc2 35. h3 a5 36. Ke2 e4 37. Rb3 Ra2 38. Rb5 a4 39. Ra5 Bf6 40. Rxc5 Bc3 41. Rd5 Rxd2+ 42. Rxd2 Bxd2 43. Kxd2 Kd6 44. Kc2 Kc6 45. Kd2 1/2-1/2