[Event "ch-Frankfurt A"] [Site "Frankfurt"] [Date "2023.04.24"] [Round "1"] [White "Stulken, Dietmar"] [Black "Bittner, Peter"] [Result "0-1"] [ECO "D30"] [WhiteElo "1323"] [BlackElo "1852"] [PlyCount "74"] [EventDate "2023.04.24"] [EventType "swiss"] [EventCountry "GER"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 O-O 8. O-O Ne4 9. Bxe7 Qxe7 10. Nfd2 f5 11. f3 Nd6 12. Re1 Qf6 13. Nf1 Be6 14. Nc3 Nd7 15. Ne2 Rae8 16. Rc1 g5 17. Kh1 Re7 18. Ng1 Rg7 19. Rc2 Bf7 20. Rf2 Kh8 21. Qd2 f4 22. Bb1 Nc4 23. Qc3 fxe3 24. Nxe3 g4 25. Nf5 Rg5 26. f4 Rxf5 27. Bxf5 Qxf5 28. Qc2 Qh5 29. g3 Bg6 30. f5 Bxf5 31. Rxf5 Qxf5 32. Qxf5 Rxf5 33. Re7 Ncb6 34. a4 Nf8 35. b3 Nbd7 36. Re8 Rf1 37. Re3 Rd1 0-1