[Event "Bremen-ch op"] [White "Margraf,Daniel"] [Black "Steffens,Olaf"] [Site "Bremen"] [Round "6"] [Annotator ""] [Result "0-1"] [Date "2014.04.16"] [WhiteElo "2223"] [BlackElo "2257"] [PlyCount "60"] 1. e4 Nc6 2. Nc3 e6 3. d4 d5 4. e5 Nge7 5. Nf3 Nf5 6. h4 h5 7. Ne2 Be7 8. g3 b6 9. Nf4 Qd7 10. c3 Bb7 11. b4 0-0-0 12. Bb5 Kb8 13. Qe2 Qc8 14. Bd2 Rdg8 15. Bd3 Nd8 16. a4 a6 17. Ng5 Ka7 18. Ngh3 g6 19. Ng5 f6 20. Nf3 Nf7 21. Nh3 fxe5 22. Nxe5 Nxe5 23. Qxe5 Bd6 24. Qe2 e5 25. dxe5 Bxe5 26. a5 Re8 27. axb6+ cxb6 28. Bxa6 Bxc3 29. Bb5+ Bxa1 30. Bxe8 Rxe8 0-1