[Event "ch-Frankfurt A"] [Site "Frankfurt"] [Date "2023.05.22"] [Round "4"] [White "Mueller, Jens"] [Black "Casagrande, Thomas"] [Result "0-1"] [ECO "B11"] [WhiteElo "1413"] [BlackElo "2015"] [PlyCount "46"] [EventDate "2023.04.24"] [EventType "swiss"] [EventCountry "GER"] 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Bf5 6. Nxf6+ gxf6 7. d4 Nd7 8. Bf4 e6 9. O-O-O Qa5 10. Kb1 h5 11. Qe3 Nb6 12. Qb3 O-O-O 13. Bd2 Qd5 14. Be2 Be7 15. Bf4 Qxb3 16. axb3 Nd5 17. Bg3 Nb4 18. Rd2 Bf8 19. Bf4 Nd5 20. Be3 Nxe3 21. fxe3 Bh6 22. Rdd1 Bxe3 23. Rhf1 Be4 0-1