[Event "ch-Frankfurt A"] [Site "Frankfurt"] [Date "2023.05.22"] [Round "4"] [White "Erdmann, Stefan"] [Black "Vihan, Shourya"] [Result "1/2-1/2"] [ECO "E05"] [WhiteElo "2127"] [BlackElo "1907"] [PlyCount "56"] [EventDate "2023.04.24"] [EventType "swiss"] [EventCountry "GER"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Bd6 11. a3 Qe7 12. Bg5 Nbd7 13. Nc3 c5 14. Rad1 h6 15. dxc5 Bxc5 16. Bf4 b4 17. axb4 Bxb4 18. Qb3 a5 19. Ne5 Bxg2 20. Kxg2 Nxe5 21. Bxe5 Ng4 22. Bf4 Rfd8 23. h3 Nf6 24. Be5 Bxc3 25. Rxd8+ Qxd8 26. Qxc3 Ne4 27. Qd4 Qxd4 28. Bxd4 a4 1/2-1/2