[Event "ch-Frankfurt A"] [Site "Frankfurt"] [Date "2023.05.22"] [Round "4"] [White "Worzelberger, Armin"] [Black "John, Volkmar"] [Result "1-0"] [ECO "D37"] [WhiteElo "1613"] [BlackElo "1632"] [PlyCount "35"] [EventDate "2023.04.24"] [EventType "swiss"] [EventCountry "GER"] 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Be7 5. g4 c5 6. e3 Nc6 7. Ne5 cxd4 8. exd4 dxc4 9. Be3 Qa5 10. Nxc4 Qd8 11. g5 Nd5 12. Rg1 Nxe3 13. fxe3 Bxg5 14. Ne4 Bh6 15. Ned6+ Kf8 16. Qh5 Qf6 17. Bd3 a6 18. Rf1 1-0